CN219913327U

CN219913327U - Assembled air pipe

Info

Publication number: CN219913327U
Application number: CN202320505315.6U
Authority: CN
Inventors: 湛育明
Original assignee: Mlf Building Safety Technology Shanghai Co ltd
Current assignee: Mlf Building Safety Technology Shanghai Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-10-27
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses an assembled air duct, which is formed by enclosing a plurality of plate bodies, wherein the plate bodies are provided with clamping parts and/or matching parts which can be clamped with adjacent plate bodies in a sealing way, and the clamping parts on any plate body can be pushed into the matching parts on the adjacent plate bodies to form occlusion clamping under the action of external force, so that the air duct is formed. Therefore, the plate body can be prefabricated in a factory, then the plate body is transported to an air pipe installation site, and each plate body is assembled into an air pipe through the clamping fit of the clamping part and the matching part in the air pipe installation site. Compared with the traditional air duct installation mode, the assembled air duct only needs to transport the plate-shaped plate body, is small in size and convenient to stack, and is convenient and quick to transport and low in cost; in addition, the air pipes are only required to be connected in a clamping way on site, so that the assembly difficulty of the air pipes is greatly reduced, and the assembly efficiency is greatly improved; in addition, the clamping part and the matching part are produced in a factory in a large scale, the quality and the precision are controllable, and the air duct can be ensured to be sealed reliably.

Description

Assembled air pipe

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to an assembled air duct.

Background

The air pipe is a pipeline for air supply, air return, air exhaust and the like of an air conditioning system, generally comprises four planes which are taken as an upper plane, a lower plane, a left plane and a right plane of the pipeline, and is formed by connecting L-shaped angle bars, self-tapping screws and other connecting pieces at the edges of the boards. By adopting the mode, a plurality of self-tapping screws are required to be screwed and fixed in a one-to-one correspondence manner, the assembly process is complex, and the efficiency is low.

In addition, the existing ductwork is generally prefabricated, i.e., the ductwork is assembled and then transported to the ductwork installation site for installation in the manner described above. However, the finished duct product which is assembled occupies a large space for transportation and storage, and is easily subjected to extrusion deformation during transportation and storage.

Therefore, the above prior art has at least the following technical problems: the assembly mode process of tuber pipe is loaded down with trivial details among the prior art, and efficiency is lower, and the transportation is inconvenient, and the transportation cost is high.

Disclosure of Invention

The embodiment of the utility model solves the technical problems of complicated assembly mode process, lower efficiency, inconvenient transportation and high transportation cost of the air pipe in the prior art by providing the assembled air pipe.

In order to solve the above technical problems, an embodiment of the present utility model provides an assembled air duct, the assembled air duct includes:

the air duct comprises a plurality of plate bodies, wherein the plate bodies are used for being combined and enclosed to form an air duct, clamping parts and/or matching parts are arranged on the plate bodies, and the clamping parts and the matching parts are respectively and hermetically fixed on the plate bodies;

under the action of external force, the clamping part on any plate body can be pushed into the matching part on the adjacent plate body to form the engagement clamping, so that the sealing connection between the two adjacent plate bodies is formed, and an air pipe is formed.

Further, the clamping part comprises a first fixing plate paved on the plate body, and the first fixing plate is fixedly connected with the plate body in a sealing way through a first fixing piece;

the clamping part further comprises a clamping piece which is bent and extended towards one side of the first fixing plate along the first fixing plate.

Further, the matching part comprises a second fixing plate paved on the plate body, and the second fixing plate is fixedly connected to the plate body in a sealing way through a second fixing piece;

the matching part also comprises a limiting groove which horizontally extends out of the second fixing plate and is opened towards the outside of the second fixing plate, and the clamping piece is inserted into and restrained in the limiting groove, so that occlusion clamping is realized.

Further, the clamping piece and the first fixing plate are integrally formed, and the limiting groove and the second fixing plate are integrally formed.

Further, the limiting groove is formed by a bending baffle, one end of the bending baffle is connected with the second fixing plate, the other end of the bending baffle is folded towards the outside of the second fixing plate after being oppositely folded in half, the limiting groove with a divergent opening is formed, the divergent opening has elasticity, and the divergent opening is arranged towards the direction away from the second fixing plate;

the clamping piece can be pushed into the limiting groove along the guide of the bending baffle under the action of external force, and is limited and restrained in the limiting groove by the bending baffle.

Further, a plurality of locking pieces are arranged on the clamping piece at intervals, and the height of each locking piece is larger than the minimum opening caliber of each limiting groove, so that the clamping piece is prevented from withdrawing from the corresponding portion.

Further, the locking piece is a bump arranged on the clamping piece.

Further, the top of the lug is in a conical shape with arc transition.

Further, the joint gaps between the adjacent plate bodies are filled with refractory sealing materials.

Further, the plate body is provided with four plates fixedly connected with each other at the side ends.

In a second aspect, an embodiment of the present utility model provides a method for assembling an assembled air duct, including the following steps:

precast slab body;

transporting the plate body to an air pipe installation site;

in the air pipe installation site, the plate body is assembled into the air pipe through the clamping connection and the matching of the clamping connection part and the matching part.

One or more technical solutions provided in the embodiments of the present utility model at least have the following technical effects or advantages:

(1) According to the assembled air duct provided by the embodiment of the utility model, the clamping part on any plate body can be pushed into the matching part on the adjacent plate body to form the occlusion clamping under the action of external force, and when in field assembly, a worker can directly and manually push the plate bodies to mutually clamp so as to complete the assembly of the air duct, so that the assembly step of bolt and screw fixation by combining tools in the prior art is omitted, redundant auxiliary assembly parts and auxiliary positioning materials are not required to be carried, the assembly difficulty of the air duct is greatly reduced, and the assembly efficiency is greatly improved; in addition, joint portion and cooperation portion can be when dispatching from the factory preassembled to the plate body on, then transport the plate body to tuber pipe installation scene, and plate body self is small, is convenient for pile up for transportation convenience, swift, with low costs, adopts mill scale production joint portion and cooperation portion, quality, precision are controllable, have effectively solved the assembly mode process of tuber pipe loaded down with trivial details among the prior art, and efficiency is lower, and transportation inconvenience, the high technical problem of cost of transportation.

(2) The first fixing plate and the second fixing plate are arranged and tightly attached to the plate body, so that the air tightness among the clamping part, the matching part and the plate body can be ensured; the clamping piece is inserted into and restrained in the limiting groove, so that the engagement and clamping are realized, the sealing lap joint can be formed, the connection air tightness between the clamping part and the matching part is ensured, and the air pipe formed by enclosing is ensured to be airtight.

(3) The clamping piece is provided with a plurality of locking pieces at intervals, the locking pieces are clamped in the limiting grooves, the clamping piece can be prevented from withdrawing from the matching portion, and the connection air tightness between the clamping portion and the matching portion can be improved.

(4) The angle that the joint spare was buckled for 90 relative first fixed plate can make the mutual perpendicular between two plate bodies after the assembly to form the rectangle tuber pipe.

(5) The clamping piece and the first fixing plate are integrally formed to ensure the air tightness of the clamping part; the limit groove and the second fixing plate are integrally formed to ensure the air tightness of the matching part, so that the air pipe formed by enclosing is airtight.

(6) The bending baffle is folded and bent relative to the second fixing plate in advance and then outwards bent to form a divergent opening, the minimum opening caliber of the divergent opening formed by bending the bending baffle is smaller than the height of the locking piece, when the locking piece is pushed into the limiting groove under the action of external force, the bending baffle is deformed under the action of external force to enlarge the caliber of the divergent opening, and after the locking piece smoothly enters the limiting groove, the divergent opening is restored to the original state under the elastic action of the bending baffle, so that the lug is limited to the limiting groove, and the locking device is firm and stable in clamping and good in air tightness.

(7) The joint gap between any two adjacent plates is filled with fire-resistant sealing material, so that the fire-resistant performance of the air pipe is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of an assembled duct according to an embodiment of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a perspective view of a snap-fit engagement of a mating portion and a clamping portion according to an embodiment of the present utility model;

FIG. 4 is a side view of FIG. 3;

FIG. 5 is an enlarged view of FIG. 4;

FIG. 6 is a schematic structural diagram of a clamping portion according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a mating portion according to an embodiment of the present utility model.

Reference numerals illustrate:

10. a plate body;

20. a clamping part; 21. a first fixing plate; 22. a first fixing member; 23. a clamping piece; 24. a locking member; 25. perforating;

30. a mating portion; 31. a second fixing plate; 32. a second fixing member; 33. bending the baffle; 34. a divergent opening; 35. a limit groove; 36. and (5) perforating.

Detailed Description

The technical scheme in the embodiment of the utility model aims to solve the technical problems, and the overall thought is as follows:

in one or more embodiments of the present utility model, an assembled duct is provided, which is formed by enclosing a plurality of panel bodies 10, wherein a clamping portion 20 and/or a matching portion 30 capable of being clamped with an adjacent panel body 10 in a sealing manner are provided on the panel body 10, so that the panel body 10 can be prefabricated in a factory, and then the panel body 10 is transported to a duct installation site, and each panel body 10 is assembled into a duct through clamping and matching of the clamping portion 20 and the matching portion 30 in the duct installation site. Compared with the traditional air duct installation mode, the assembled air duct only needs to transport the plate-shaped plate body 10, has small volume and is convenient to stack, so that the transportation is convenient and quick, and the cost is low; in addition, the air pipes are only required to be connected in a clamping way on site, so that the assembly difficulty of the air pipes is greatly reduced, and the assembly efficiency is greatly improved; in addition, the clamping part 20 and the matching part 30 are produced in a factory in a large scale, the quality and the precision are controllable, the air pipe can be ensured to be sealed reliably, and the technical problems of complex assembly mode process, low efficiency, inconvenient transportation and high transportation cost of the air pipe in the prior art are effectively solved.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 7, the assembled air duct provided by the embodiment of the utility model includes a plurality of board bodies 10 for forming the air duct by combining and enclosing, wherein the board bodies 10 are provided with a clamping part 20 and/or a matching part 30, and the clamping part 20 and the matching part 30 are respectively and hermetically fixed on the board bodies 10;

under the action of external force, the clamping part 20 on any plate body 10 can be pushed into the matching part 30 on the adjacent plate body 10 to form a snap-in clamping connection so as to form sealing connection between the two plate bodies 10.

As can be seen from the above description, the assembled air duct provided by the embodiment of the present utility model can push the clamping portion 20 on any one of the plate bodies 10 into the matching portion 30 on the adjacent plate body 10 under the action of external force to form a snap-fit connection, and when in field assembly, a worker can directly manually push the plate bodies 10 to mutually clamp to complete the assembly of the air duct, so that the assembly step of bolt and screw fixation by combining tools in the prior art is omitted, redundant auxiliary assembly parts and auxiliary positioning materials are not required to be carried, the assembly difficulty of the air duct is greatly reduced, and the assembly efficiency is greatly improved; in addition, the clamping part 20 and the matching part 30 can be preassembled on the board body 10 when leaving the factory, then the board body 10 is transported to the air pipe installation site, the board body 10 is small in size and convenient to stack, the transportation is convenient, quick and low in cost, the technical problems that the assembly mode process of the air pipe is complicated, the efficiency is low, the transportation is inconvenient and the transportation cost is high in the prior art are effectively solved by adopting the factory to produce the clamping part 20 and the matching part 30 in a large-scale manner, the quality and the precision are controllable.

The "the plate body 10 is provided with the clamping portion 20 and/or the mating portion 30" means that the plate body 10 is provided with only the clamping portion 20, the plate body 10 is provided with only the mating portion 30, or the plate body 10 is provided with both the clamping portion 20 and the mating portion 30.

In some embodiments, as shown in fig. 1 and 2, the assembled ductwork is a generally rectangular frame defined by four panels 10.

The plate bodies 10 are fixedly connected with each other by the clamping connection of the clamping connection part 20 and the matching part 30. Here, the opposite side ends of each plate body 10 in the length direction should be further provided with a transition connection member, respectively, through which one rectangular frame body, which has been formed to be fixedly connected, can be fixedly connected with the other rectangular frame body when the length of the assembled duct needs to be increased. The transitional connection member may be implemented in a manner commonly found in building scenarios, and is not included in the scope of the embodiments of the present utility model, and will not be described in detail herein.

As shown in fig. 3 to 5, in some embodiments, two side ends of one of the plate bodies 10 are respectively provided with a clamping portion 20, the clamping portion 20 is sealed and fixed on the plate body 10, two side ends of the other plate body 10 adjacent to the plate body 10 are respectively and fixedly provided with a matching portion 30, the matching portion 30 is sealed and fixed on the plate body 10, and the clamping portion 20 and the matching portion 30 are engaged and clamped, so that the adjacent plate bodies 10 are in sealing connection, and the air duct formed by surrounding and sealing is airtight.

Specifically, the clamping portion 20 includes a first fixing plate 21 laid on the plate body 10, and the first fixing plate 21 is fixedly connected with the plate body 10 through a first fixing member 22; the clamping portion 20 further includes a clamping member 23 bent and extended toward the first fixing plate 21 along the first fixing plate 21. In this case, the angle at which the fastening element 23 is bent relative to the first fastening plate 21 should preferably be kept at 90 ° in order to minimize the assembly angle error between the two plate bodies 10, so that the two plate bodies 10 after assembly are perpendicular to one another, in order to form a rectangular air duct.

Further, the mating portion 30 includes a second fixing plate 31 laid on the board body 10, and the second fixing plate 31 is fixedly connected to the board body 10 through a second fixing member 32. The matching part 30 further comprises a limit groove 35 extending horizontally from the second fixing plate 31 and opening out of the second fixing plate 31, and the clamping piece 23 is inserted into and restrained in the limit groove 35, so that the engagement and clamping are realized, the assembly is easy, the sealing lap joint can be formed, and the connection air tightness between the clamping part 20 and the matching part 30 is ensured.

In the above embodiment, the first fixing member 22 and the second fixing member 32 may be screws, rivets, etc., for example, the first fixing plate 21 and the second fixing plate 31 are fixed to the plate body 10 by riveting, the first fixing plate 21 and the second fixing plate 31 are provided with a plurality of through holes 25, 36 at intervals, and the large cap rivets pass through the through holes 25, 36 and are fixed to the plate body 10 to form riveting, where the first fixing plate 21 and the second fixing plate 31 may be preassembled to the plate body 10 when the plate body 10 leaves the factory, so as to further facilitate the assembly process, and the first fixing plate 21 and the second fixing plate 31 are disposed and tightly attached to the plate body 10, so that the air tightness between the clamping portion 20, the fitting portion 30 and the plate body 10 can be ensured.

Further, a plurality of locking members 24 are disposed on the clamping member 23 at intervals to prevent the clamping member 23 from withdrawing from the mating portion 30, and to improve the connection tightness between the clamping portion 20 and the mating portion 30.

As shown in fig. 6, the locking member 24 is a bump provided on the fastening member 23, the bending baffle 33 is configured to form the limiting groove 35 with a divergent opening 34, the divergent opening 34 has elasticity, and the divergent opening 34 is disposed in a direction away from the second fixing plate; the bump can be pushed into the limit groove 35 along the guide of the bending baffle 33 under the action of external force, and is limited and restrained in the limit groove 35 by the bending baffle 33.

As shown in fig. 6, in some embodiments, the bump has a plurality of protrusions spaced along the length direction of the fastening member 23, and the top end of the bump has a circular arc transition cone shape, which can facilitate the guiding of the bump along the bending baffle 33 into the limit groove 35; in some embodiments, the cross-section of the bump may also be configured in other shapes, such as cylindrical or rectangular.

Further, in the above embodiment, as shown in fig. 6, the locking member 23 is integrally formed with the first fixing plate 21, so as to ensure the air tightness of the locking portion 20 itself.

In the above embodiment, as shown in fig. 7, the stopper groove 35 is formed by bending the bending baffle 33, and the bending baffle 33 is integrally formed with the second fixing plate 31, thereby ensuring the air tightness of the fitting portion 30 itself.

Specifically, in order to form the limiting groove 35 by bending, the bending baffle 33 is folded and bent relative to the second fixing plate, and then is bent outwards to form the elastic divergent opening 34, so that the elastic divergent opening can be engaged and clamped with the clamping piece 23; here, preferably, the minimum opening caliber of the diverging opening 34 formed by bending the bending baffle 33 is smaller than the height of the protruding block, when the protruding block is pushed into the limit groove 35 under the action of external force, the bending baffle 33 deforms under the action of external force to enlarge the caliber of the diverging opening 34, and after the protruding block smoothly enters the limit groove 35, the diverging opening 34 is restored due to the elastic action of the bending baffle 33, so that the protruding block is limited and restrained into the limit groove 35, and the engagement and clamping connection of the clamping connection part 20 and the matching part 30 are formed.

In the above embodiment, the first fixing plate 21 and the second fixing plate 31 may be steel plates, and when the bending baffle 33 and the second fixing plate 31 are folded in half and bent, the overlapping portions of the two may be fixedly connected by spot welding, and the spot welding step may be omitted, so long as the bump can be forced into the limit groove 35 against the elasticity of the bending baffle 33.

It should be noted that, among the four plate bodies 10 for enclosing the assembled air duct provided by the utility model, two opposite plate bodies 10 are a group, the same group of plate bodies 10 have the same structure, that is, two side ends of each plate body 10 of one group are respectively provided with a clamping part 20, two side ends of each plate body 10 of the other group are respectively provided with a second matching part 30, and two workers can match the positions of the pre-positioned plate bodies 10 during assembly.

In some embodiments, for example, the two sides of the same board body 10 may be provided with the clamping portion 20 and the mating portion 30, and the mating portion 30 may be provided only to enable the adjacent board bodies 10 to be snapped and clamped with each other and be configured as an air duct.

In some embodiments, a fire-resistant sealing material is filled between the joint gap between any plate body 10 and the adjacent plate body 10, so as to improve the fire-resistant performance of the air duct, and the fire-resistant sealing material can be an existing mature fire-resistant foam filler product, which is not described in detail in this embodiment.

The assembly process of the assembled air duct in this embodiment is as follows:

firstly, selecting and preparing two groups of different plate bodies 10, and matching and positioning the positions of the respective plate bodies 10 by staff, wherein each group of plate bodies 10 are oppositely arranged, and each plate body 10 and the adjacent plate body 10 are positioned in different groups; then, the plate body 10 provided with the clamping part 20 is pushed into the divergent openings 34 of the two adjacent plate bodies 10 of the other group, and after the protruding blocks completely enter the limit grooves 35, the connection between the plate body 10 and the adjacent two plate bodies 10 is completed; the opposite other plate body 10 is then installed in the same manner, completing the connection of the two sets of plate bodies 10.

It will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments.

The terms of orientation such as external, intermediate, internal, etc. mentioned or possible to be mentioned in this specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed accordingly depending on the different positions and different states of use in which they are located. These and other directional terms should not be construed as limiting terms.

While the utility model has been described with respect to preferred embodiments thereof, it will be understood by those skilled in the art that various modifications and additions may be made without departing from the scope of the utility model. Equivalent embodiments of the present utility model will be apparent to those skilled in the art having the benefit of the teachings disclosed herein, when considered in the light of the foregoing disclosure, and without departing from the spirit and scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. An assembled air duct, the assembled air duct comprising:

the air duct comprises a plurality of plate bodies (10) which are used for being combined and enclosed to form an air duct, wherein the plate bodies (10) are provided with clamping parts (20) and/or matching parts (30), and the clamping parts (20) and the matching parts (30) are respectively and hermetically fixed on the plate bodies (10);

under the action of external force, the clamping part (20) on any plate body (10) can be pushed into the matching part (30) on the adjacent plate body (10) to form a meshed clamping joint so as to form sealing connection between the two adjacent plate bodies (10), thereby forming an air pipe.

2. The fabricated duct according to claim 1, wherein the clamping portion (20) comprises a first fixing plate (21) laid on the plate body (10), and the first fixing plate (21) is fixedly connected with the plate body (10) in a sealing manner through a first fixing piece (22);

the clamping part (20) further comprises a clamping piece (23) which is bent and extended towards one side of the first fixing plate (21) along the first fixing plate (21).

3. The fabricated duct according to claim 2, wherein the mating portion (30) comprises a second fixing plate (31) laid on the panel body (10), the second fixing plate (31) being fixedly connected to the panel body (10) by a second fixing member (32) in a sealing manner;

the matching part (30) further comprises a limiting groove (35) which horizontally extends out of the second fixing plate (31) and is opened towards the outside of the second fixing plate (31), and the clamping piece (23) is inserted into and restrained in the limiting groove (35), so that occlusion clamping is achieved.

4. A fabricated duct according to claim 3, wherein the clamping member (23) is integrally formed with the first fixing plate (21), and the limiting groove (35) is integrally formed with the second fixing plate (31).

5. The fabricated duct according to claim 4, wherein the limiting groove is formed by a bending baffle (33), one end of the bending baffle (33) is connected with the second fixing plate (31), the other end of the bending baffle is folded oppositely to the second fixing plate (31) and then is bent outwards of the second fixing plate (31) to form the limiting groove (35) with a divergent opening (34), and the divergent opening (34) is arranged towards a direction away from the second fixing plate (31);

the clamping piece (23) can be pushed into the limiting groove (35) along the guide of the bending baffle (33) under the action of external force, and is limited and restrained into the limiting groove (35) by the bending baffle (33).

6. The fabricated duct according to claim 5, wherein a plurality of locking members (24) are disposed on the clamping member (23) at intervals, and the height of the locking members (24) is greater than the minimum opening caliber of the limiting groove (35), so as to prevent the clamping member (23) from being withdrawn from the mating portion (30).

7. The assembly duct according to claim 6, characterized in that the locking element (24) is a projection provided on the clamping element (23).

8. The fabricated duct of claim 7, wherein the tip of the projection is rounded to a transitional taper.

9. The ductwork according to claim 1, characterized in that the joint gap between adjacent panels (10) is filled with a fire-resistant sealing material.

10. The ductwork according to claim 1, characterized in that the plate body (10) has four mutually laterally fastened.