CN218208305U

CN218208305U - Flexible air duct and assembly tool

Info

Publication number: CN218208305U
Application number: CN202221919200.3U
Authority: CN
Inventors: 徐涛
Original assignee: Foshan Alto Refrigeration Manufacturing Co ltd
Current assignee: Foshan Alto Refrigeration Manufacturing Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-01-03
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a flexible air duct and an assembly tool, wherein the flexible air duct comprises an air duct main body and two connecting components arranged at two ends of the air duct main body, the connecting components comprise a frame, a pressing strip and a plurality of connecting pieces, the pressing strip surrounds the frame, and the air duct main body is sleeved between the frame and the pressing strip; a plurality of connecting pieces are arranged at intervals along the pressing strips, the connecting pieces penetrate through the air duct main body, and two ends of the connecting pieces are connected with the frame and the pressing strips respectively. Even if the frame or the pressing strip deforms after long-term use, the connecting piece can still fix the air duct main body on the frame, and the air duct main body is prevented from falling off between the pressing strip and the frame. The assembly tool comprises a support, the support comprises two side frames and a connecting part connected between the two side frames, the two side frames are arranged at intervals up and down and are parallel to each other, and the side frames are matched with the frame of the flexible air duct, so that the frame can be sleeved outside the side frames; the periphery of frame is equipped with a plurality of recesses. By utilizing the assembly tool, the assembly of the flexible air duct can be completed by one person, and the consumption of manpower is reduced.

Description

Flexible air duct and assembly tool

Technical Field

The utility model relates to a connection structure field of pipe, in particular to flexible wind channel and assembly fixture.

Background

Flexible air ducts are used in various places in daily life and work, such as a central air conditioning system, a waste gas system or a fresh air system, and flexible air ducts can be used for connecting air ducts and equipment and air ducts and air openings so as to reduce noise. The existing flexible air duct, such as the fan inlet and outlet flexible connection structure disclosed in patent CN202020955111.9, has the disadvantage that the air duct main body and the connection flange are connected by the anchor ear, for example, the anchor ear connection mode can only be applied to an air duct with a circular cross section, and for example, the air duct main body is easy to fall off from between the anchor ear and the connection flange along with the deformation of the anchor ear caused by thermal expansion and cold contraction after long-term use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a flexible wind channel and assembly fixture.

The flexible air duct according to the embodiment of the first aspect of the present invention comprises an air duct main body and two connecting assemblies disposed at two ends of the air duct main body, wherein the connecting assemblies comprise a frame, a pressing bar and a plurality of connecting pieces, the pressing bar surrounds the frame, and the air duct main body is sleeved between the frame and the pressing bar; the air duct main body is provided with a plurality of air duct main bodies, the air duct main bodies are arranged on the frame, and the air duct main bodies are arranged on the frame.

According to the utility model discloses flexible wind channel of first aspect embodiment has following technological effect at least: because the connecting piece is arranged, the pressing strip and the air duct main body are arranged on the frame through the connecting piece, even if the air duct is a non-circular air duct, the pressing strip can also tightly press the air duct main body on the frame, so that the utility model can be suitable for the non-circular air duct; moreover, even if the frame or the pressing strip deforms after long-term use, the connecting piece can still fix the air duct main body on the frame, and the air duct main body is prevented from falling off from the space between the pressing strip and the frame.

According to some embodiments of the present invention, the frame is provided with a convex edge, the convex edge is annularly provided to the periphery of the frame, and the convex edge is provided to the outside of the air duct main body. The convex edge part can be used for connecting the flexible air duct to external equipment, so that the flexible air duct is convenient to use.

According to the utility model discloses a some embodiments, the frame is the polygon frame, protruding edge includes a plurality of protrusion edges, the protrusion along with the limit number looks adaptation of frame, two adjacent protrusions are along the phase separation. This facilitates the production and manufacture of the frame.

According to some embodiments of the invention, the connecting piece is a screw. The screws are screwed into the screw holes from outside to inside to complete the installation of the connecting piece, the structure is simple, and the assembly is simple and easy.

According to some embodiments of the invention, the bead is a flexible member. The laminating between layering and the wind channel main part is compact like this, and is convenient for place the periphery of wind channel main part to the layering.

According to some embodiments of the invention, the convex edge portion is provided with a plurality of mounting holes. By arranging the mounting holes, when the flexible air duct is mounted, bolts can penetrate through the mounting through holes and then can be screwed into external equipment; the installation and the use of the flexible air duct are convenient.

The assembly tool comprises a support, the support comprises two frames and a connecting part connected between the two frames, the two frames are arranged at intervals up and down and are parallel to each other, and the frames are matched with the frame of the flexible air duct, so that the frame can be sleeved outside the frames; the periphery of frame is equipped with a plurality of recesses.

According to the utility model discloses assembly fixture of second aspect embodiment has following technological effect at least: the assembly is troublesome in the process of manufacturing the flexible air duct, two persons are needed to cooperate, one person supports the air duct main body made of canvas, and the other person assembles the frame and the pressing strips. And utilize assembly fixture, alone can accomplish the assembly, reduce the consumption of manpower.

According to some embodiments of the invention, the vertical dimension of the frame is the same as the axial dimension of the air duct body. After assembling a coupling assembling like this, can directly carry out the assembly of another coupling assembling at the other end of support, need not to move the wind channel main part, it is more simple and convenient to operate.

According to some embodiments of the invention, the recess is a through groove extending vertically. After the assembly is completed, the flexible air duct can be taken out from the support along the vertical direction, the groove wall of the groove can not obstruct the up-and-down movement of the screw, and the flexible air duct can be taken out conveniently.

According to the utility model discloses a few embodiments, the frame is multilateral shape, connecting portion include a plurality of connecting rods, the vertical setting of connecting rod, the connecting rod is located the summit of frame. Through setting up the connecting rod in the summit of frame, when the wind channel main part cover was on the support, the connecting rod was located the side arris department of wind channel main part, and the support effect of support to the wind channel main part is better.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a use state of an assembly tool according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a flexible duct according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of an assembly fixture according to an embodiment of the present invention.

In the drawings:

100-a duct body; 210-a border; 201-a through slot; 220-a connecting rod; 300-a frame; 310-projecting edge; 400-pressing a strip; 410-connecting piece.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "a" or "an" mean one or more, the terms "a" or "an" mean two or more, the terms larger than, smaller than, exceeding, and the like are understood to include the number, and the terms "larger than, smaller than, within, and the like are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The following describes a flexible air duct and an assembly tool according to an embodiment of the present invention with reference to fig. 1 to 3.

The flexible air duct of the embodiment of the first aspect of the present invention comprises an air duct main body 100 and two connecting assemblies arranged at two ends of the air duct main body 100, wherein the connecting assemblies comprise a frame 300, a pressing bar 400 and a plurality of connecting pieces 410, the pressing bar 400 surrounds the frame 300, and the air duct main body 100 is sleeved between the frame 300 and the pressing bar 400; the plurality of connectors 410 are disposed at intervals along the bead 400, the connectors 410 penetrate through the air duct main body 100, and both ends of the connectors 410 are connected to the frame 300 and the bead 400, respectively.

For example, as shown in fig. 2, the air duct main body 100 is vertically arranged in a cylindrical shape, the top end and the bottom end of the air duct main body 100 are both open, the two connecting assemblies are vertically and axisymmetric, the air duct main body 100 may be made of canvas, the cross-sectional shape of the air duct main body 100 may be triangular, rectangular, hexagonal, other polygons, circular, oval, or the like, the frame 300 is correspondingly triangular, rectangular, hexagonal, other polygons, circular, oval, or the like, taking the frame 300 located at the bottom end of the air duct main body 100 as an example, the bottom edge of the air duct main body 100 is sleeved outside the frame 300, the bead 400 extends along the periphery of the bottom edge of the air duct main body 100, so that the bead 400, the bottom edge of the air duct main body 100, and the frame 300 are sequentially stacked and sleeved; the connector 410 may be a rivet, screw, or other suitable member.

Because the connecting piece 410 is arranged, the pressing strip 400 and the air duct main body 100 are arranged on the frame 300 through the connecting piece 410, even if the air duct is a non-circular air duct, the pressing strip 400 can also tightly press the air duct main body 100 on the frame 300, so that the utility model can be suitable for the non-circular air duct; moreover, even if the frame 300 or the bead 400 is deformed due to long-term use, the connecting member 410 can fix the duct main body 100 to the frame 300, and prevent the duct main body 100 from falling off between the bead 400 and the frame 300.

In some embodiments of the present invention, the frame 300 is provided with a protruding edge, the protruding edge is disposed around the periphery of the frame 300, and the protruding edge is disposed outside the air duct main body 100. Taking the frame 300 at the bottom end of the air duct main body 100 as an example, the convex edge portion is arranged at the bottom of the frame 300, the inner side of the convex edge portion is connected with the bottom of the frame 300, and the outer side of the convex edge portion protrudes out of the periphery of the air duct main body 100; the convex edge part can be used for connecting the flexible air duct to external equipment, so that the flexible air duct is convenient to use.

In some embodiments of the present invention, the frame 300 is a polygonal frame, the protruding edge portion includes a plurality of protruding edges 310, the protruding edges 310 are matched with the number of edges of the frame 300, and two adjacent protruding edges 310 are separated. Thus, the frame 300 can be made of angle steel, angle aluminum or other long metal materials with two mutually perpendicular sides forming an angle shape, and the frame 300 and the convex edge part can be made only by cutting one horizontally arranged side and then bending one vertically arranged side, so that the production and the manufacture of the frame 300 are facilitated; the pressing strip 400 may be a complete strip, the pressing strip 400 surrounds the air duct main body 100 for a circle, and the pressing strip 400 may also include a plurality of segments, and the plurality of segments are connected end to form the pressing strip 400.

In some embodiments of the present invention, the connecting member 410 is a screw. The frame 300, the air duct main body 100 and the pressing strip 400 are provided with screw holes at positions corresponding to the connecting piece 410, and screws are screwed into the screw holes from outside to inside to complete the installation of the connecting piece 410.

In some embodiments of the present invention, the bead 400 is a flexible member. The bead 400 may be a rubber member, a plastic member, a sheet metal member, or other suitable member, such that the fit between the bead 400 and the duct body 100 is tight, and the bead 400 is easily placed on the outer periphery of the duct body 100.

In some embodiments of the present invention, the convex edge portion is provided with a plurality of mounting holes. The mounting holes are sequentially arranged along the extension direction of the protruding edge 310, and bolts can be used for penetrating through the mounting through holes and then screwing the mounting through holes into external equipment when the flexible air duct is mounted; the installation and the use of the flexible air duct are convenient.

The assembly fixture of the embodiment of the second aspect of the present invention comprises a support, the support comprises two frames 210 and a connecting portion connected between the two frames 210, the two frames 210 are arranged at an interval from top to bottom and are parallel to each other, the frames 210 are adapted to the frame 300 of the flexible air duct, so that the frame 300 can be sleeved outside the frames 210; the periphery of the frame 210 is provided with a plurality of grooves.

The frame 210 is adapted to the frame 300, the frame 300 may be triangular, rectangular, hexagonal or other polygonal shapes, or circular, oval and other shapes, the frame 210 is correspondingly triangular, rectangular, hexagonal or other polygonal shapes, or circular, oval and other shapes, and the frame 210 and the frame 300 are both rectangular, as shown in fig. 3, the air duct main body 100 is quadrangular, the connecting portion includes four vertically arranged connecting rods 220, two ends of the connecting rods 220 are respectively connected to vertexes of the two frames 210, the frame 210 is provided with a front beam, a rear beam, a left beam and a right beam, the front beam, the right beam, the rear beam and the left beam are sequentially connected end to form a rectangle, the front beam and the rear beam both extend transversely, the left beam and the beams both extend front and back, three through grooves 201 are vertically arranged on the front side of the front beam from left to right at intervals, the through grooves 201 vertically penetrate through the front beam, three through grooves 201 are also arranged on the rear side of the rear beam, and the left beam 201 vertically penetrate through two connecting rods 220 at intervals from front side of the left beam, so that screws at the top of the air duct main body 100 can be arranged at the top.

The assembly of the flexible duct is troublesome in the manufacturing process, two persons are needed to cooperate, one person supports the duct main body 100 made of canvas, and the other person assembles the frame 300 and the batten 400. By utilizing the assembly tool, assembly can be completed by one person, so that the labor consumption is reduced; the specific assembly mode is that, referring to fig. 1, a support is placed on a desktop or the ground, then a frame 300 of a flexible air duct is sleeved outside the support, then an air duct main body 100 is sleeved outside the support and the frame 300, at the moment, the air duct main body 100 is supported by the support and does not collapse without being held by hands, a worker can install a pressing strip 400, a groove and a screw hole are overlapped, the screw is screwed in after the pressing strip 400 is overlapped outside the air duct main body 100, the tail part of the screw can extend into the groove, the screw can be screwed, and then the assembly of a connecting assembly is completed; then, the air duct main body 100 is taken out vertically, and then another connecting assembly can be assembled; of course, since the canvas is flexible, even if the groove is not the through groove 201, the duct main body 100 and the connecting members assembled together can be removed.

In some embodiments of the present invention, the vertical dimension of the frame 300 is consistent with the axial dimension of the air duct body 100. After one connecting component is assembled, the other connecting component can be directly assembled at the other end of the bracket, the air duct main body 100 does not need to be moved, and the operation is simpler and more convenient.

In some embodiments of the present invention, the groove is a vertically extending through groove 201. After the assembly is completed, the flexible air duct can be taken out from the support along the vertical direction, the groove wall of the groove can not obstruct the up-and-down movement of the screw, and the flexible air duct can be taken out conveniently.

In some embodiments of the present invention, the frame 210 is polygonal, the connecting portion includes a plurality of connecting rods 220, the connecting rods 220 are vertically disposed, and the connecting rods 220 are disposed on the top of the frame 210. By arranging the connecting rod 220 at the top of the frame 210, when the air duct main body 100 is sleeved on the bracket, the connecting rod 220 is located at the side edge of the air duct main body 100, and the bracket has a better supporting effect on the air duct main body 100.

The above description is for the purpose of illustrating the preferred embodiments of the present invention, but the present invention is not limited to the illustrated embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the appended claims.

Claims

1. A flexible wind channel which characterized in that: the air duct connecting structure comprises an air duct main body and two connecting assemblies arranged at two ends of the air duct main body, wherein each connecting assembly comprises a frame, a pressing strip and a plurality of connecting pieces, the pressing strip surrounds the frame, and the air duct main body is sleeved between the frame and the pressing strip; the air duct main body is provided with a plurality of air duct main bodies, the air duct main bodies are arranged on the frame, and the air duct main bodies are arranged on the frame.

2. The flexible duct of claim 1, wherein: the frame is equipped with protruding edge portion, protruding edge portion ring is located the periphery of frame, protruding edge portion is located outside the wind channel main part.

3. The flexible duct of claim 2, wherein: the frame is the polygon frame, protruding edge portion includes a plurality of protruding edges, protruding edge with the limit number looks adaptation of frame, two adjacent protruding edges phase separation.

4. The flexible duct of claim 1, wherein: the connecting piece is a screw.

5. The flexible duct of claim 1, wherein: the batten is a flexible component.

6. The flexible duct of claim 2, wherein: the convex edge part is provided with a plurality of mounting holes.

7. The utility model provides an assembly fixture which characterized in that: the flexible air duct comprises a support, wherein the support comprises two side frames and a connecting part connected between the two side frames, the two side frames are arranged at intervals up and down and are parallel to each other, and the side frames are matched with the frame of the flexible air duct in any one of claims 1 to 6, so that the frame can be sleeved outside the side frames; the peripheral surface of the frame is provided with a plurality of grooves.

8. The assembly tooling of claim 7, wherein: the vertical dimension of the frame is consistent with the axial dimension of the air duct main body.

9. The assembly tooling of claim 7, wherein: the groove is a through groove extending vertically.

10. The assembly tooling of claim 7, wherein: the frame is polygonal, the connecting portion comprises a plurality of connecting rods, the connecting rods are vertically arranged, and the connecting rods are arranged on the top point of the frame.