CN218762140U

CN218762140U - Composite air duct

Info

Publication number: CN218762140U
Application number: CN202223137303.7U
Authority: CN
Inventors: 支亮
Original assignee: ZHEJIANG TERASUN AIR DUCT CO Ltd
Current assignee: ZHEJIANG TERASUN AIR DUCT CO Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-28
Anticipated expiration: 2032-11-25

Abstract

The utility model belongs to compound tuber pipe field especially relates to a compound tuber pipe, include: two ends of the first composite board are symmetrically provided with folding parts, and the folding parts form inserting grooves; two second composite boards, wherein two ends of each second composite board are symmetrically provided with bending parts; sealed clay, sealed clay is filled in the inserting groove, wherein, first composite sheet and second composite sheet all include superimposed metal level in proper order, the glue film, fire-retardant layer, the stratum reticulare, the cotton layer of bubble, the kink joint is in the inserting groove, folding portion includes first folding portion, the second folding portion, third folding portion and fourth folding portion, the inserting groove is formed between first folding portion and third folding portion, the inboard of kink is equipped with the sand grip, sand grip and third folding portion joint, the end of third folding portion still is equipped with tangent plane portion, form the fixed slot with tangent plane portion adaptation block between the inner wall of sand grip and kink, the beneficial effects of the utility model are that: easy assembly, low transportation cost, high heat insulation and high flame retardance.

Description

Composite air pipe

Technical Field

The utility model belongs to compound tuber pipe field especially relates to a compound tuber pipe.

Background

The composite air duct is a rubber-plastic composite air duct system which is made of rubber composite heat-insulating materials and can comprehensively replace the traditional air duct, air valve, air port, static pressure box and heat-insulating materials in the air-conditioning air outlet system.

The existing composite air pipe is generally transported to the site for installation and use after production or assembly is completed, so that the problem that the composite air pipe occupies more space in transportation as a pipeline and has higher transportation cost is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem who exists to the aforesaid, provide a compound tuber pipe, reached easy equipment, low cost of transportation, high heat-proof quality, high fire-retardant effect.

In view of this, the utility model provides a composite air pipe, a serial communication port, include:

the two ends of the first composite board are symmetrically provided with folding parts, and the folding parts form inserting grooves;

two second composite plates, wherein two ends of each second composite plate are symmetrically provided with bending parts;

wherein, first composite sheet and second composite sheet all include the metal level, glue film, fire-retardant layer, stratum reticulare and the cotton layer of bubble of coincide in proper order, and the kink joint is in the inserting groove.

In the technical scheme, the first composite board and the second composite board are respectively composed of a metal layer, an adhesive layer, a flame-retardant layer, a net layer, a flame-retardant layer, an adhesive layer and a foam layer which are sequentially overlapped, the flame-retardant layer contains water-based acrylic glue, expanded graphite powder, fibers, a carbon forming agent, a catalyst and a filler, the expanded graphite powder of the flame-retardant layer can rapidly react with other materials to form a protective layer when being heated, so that the flame-retardant and heat-insulation effects are achieved, the net layer can be made of stainless steel, ceramic fibers and other materials, the net layer can increase the cohesive force of the protective layer generated when the flame-retardant layer is heated so as to prevent the flame-retardant layer from cracking and separating due to thermal expansion, the internal structural force of the first composite board and the second composite board can be better, the heat-insulation effect is improved, and the foam layer can also improve the heat-insulation effect, consequently, thereby can improve the life-span of compound tuber pipe of thermal-insulated effect and flame retardant efficiency extension compound tuber pipe of compound tuber pipe, the mode that adopts the joint between second composite sheet and the first composite sheet is connected the equipment, two kinks of second composite sheet insert the inserting groove of two first composite sheets respectively, the folding portion of inserting two first composite sheets after accomplishing is relative, then two kinks of another second composite sheet insert the inserting groove of the other end of two first composite sheets respectively, insert two first composite sheets after accomplishing and two second composite sheet formation have rectangular cross section's compound tuber pipe, can assemble again after transporting first composite sheet and second composite sheet to the scene through this mode of assembly, compare the compound tuber pipe cost of transporting the equipment completion and reduced, the mode of joint also is convenient for compound tuber pipe equipment simultaneously.

In the above technical scheme, furtherly, its characterized in that, folding portion is including the first folding portion, second folding portion and the third folding portion that set gradually, and the inserting groove is formed between first folding portion and third folding portion, the inboard of kink is equipped with the sand grip, sand grip and third folding portion joint.

In this technical scheme, the folding first folded portion that forms of one end of first composite sheet, the end of first folded portion is folded towards first composite sheet and is formed the second folded portion, the end of second folded portion is folded towards first composite sheet and is formed the third folded portion, and the space between first folded portion and third folded portion has formed the inserting groove, and the other end of first composite sheet is with the same reason, and the part between two first folded portions is first surface portion, the one end bending 90 degrees of second composite sheet forms the kink, and the other end of second composite sheet is with the same reason, and the part between two kinks is second surface portion, all is equipped with the sand grip on one side of two kinks towards second surface portion, and the sand grip is 45 degrees towards second surface portion setting for being with this side, sand grip and third folded portion block during first composite sheet and second composite sheet joint have strengthened the connection between first composite sheet and the second composite sheet, have improved the stability of composite tuber pipe structure.

In the above technical solution, further, the terminal of the third folding portion is further provided with a cutting surface portion, and a fixing groove engaged with the cutting surface portion in a matching manner is formed between the convex strip and the inner wall of the folding portion.

In this technical scheme, tangent plane portion sets up in the end of third folding portion, and tangent plane portion's cross-section is 45 degrees with the outer wall of third folding portion, tangent plane portion can imbed the fixed slot of second surface board, and after the kink of second composite sheet inserted the inserting groove of first composite sheet promptly, the fixed slot of the kink of tangent plane portion embedding second composite sheet in the third folding portion of first composite sheet has further strengthened being connected between first composite sheet and the second composite sheet, has improved the stability of composite tuber pipe structure.

In the above technical solution, further, the method further includes:

and the sealing cement gum is filled in the insertion groove.

In the technical scheme, the sealing cement is filled in the insertion groove, so that the sealing performance and the water resistance of the composite air pipe are improved.

In the above technical solution, further, the first composite board further includes:

and the four folding parts are two and are symmetrically arranged on the first composite board.

In this technical scheme, extend to one end in the middle of the first surface portion of first composite sheet and be the acute angle with original extending direction and extend towards third folded portion, extend to fold in the middle of the first surface portion after certain length, continue to extend to and continue to extend to this end bending behind the route that extends to one end in the middle of the original first surface portion after folding, the folded portion that the in-process formed is fourth folded portion to in the middle of the first composite sheet symmetry, also have a fourth folded portion at the another side of first composite sheet, the in-process of the equipment of composite tuber pipe, fourth folded portion can compress, thereby provides the elasticity of exerting the opposite direction with the equipment time, under elasticity and the effect of exerting force, the kink of second kink inserts the inserting groove of first kink more easily, consequently, the agility of composite tuber pipe equipment improves.

The utility model has the advantages that:

1. the second composite board and the first composite board are connected and assembled in a clamping manner, and the first composite board and the second composite board can be assembled after being transported to the site by the assembling manner, so that the transportation cost is reduced compared with that of the composite air pipe after transportation and assembly, and the clamping manner is convenient for the assembly of the composite air pipe;

2. the first composite board and the second composite board are respectively composed of a metal layer, an adhesive layer, a flame-retardant layer, a net layer, a flame-retardant layer, an adhesive layer and a foam layer which are sequentially overlapped, and the heat insulation effect and the flame-retardant effect of the composite air pipe can be improved through the structure, so that the service life of the composite air pipe is prolonged;

3. the plug-in connection groove is filled with sealing clay, so that the composite air pipe has waterproofness and sealing performance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the present invention after assembly;

FIG. 3 is a schematic view of the present invention prior to assembly;

FIG. 4 is a schematic view of part A of the present invention prior to assembly;

FIG. 5 is a cross-sectional view of a portion of a first composite panel and a second composite panel of the present invention;

the reference numbers in the figures are:

1. a first composite sheet; 10. a folding part; 11. a first folding portion; 12. a second folding section; 13. a third folded portion; 14. a fourth folded portion; 100. inserting grooves; 130. a section 2 and a second composite board; 20. a bent portion; 200. a convex strip; 201. fixing grooves; 31. a surface layer; 32. a glue layer; 33. a flame retardant layer; 34. a mesh layer; 35. soaking a cotton layer; 4. and (5) sealing the daub.

Detailed Description

The technical solutions in the embodiments of the present application will be described below clearly with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

In the description of the present application, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application are capable of operation in sequences other than those illustrated or described herein, and that the terms "first," "second," etc. are generally used in a generic sense and do not limit the number of terms, e.g., a first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/", and generally means that the former and latter related objects are in an "or" relationship.

It should be noted that in the description of the present application, the orientation or positional relationship indicated by the terms such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom" and the like are generally based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and in the case of not making a reverse description, these orientation terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Example 1:

this embodiment provides a compound tuber pipe, includes:

the composite board comprises two first composite boards 1, wherein two ends of each first composite board 1 are symmetrically provided with folding parts 10, and the folding parts 10 form inserting grooves 100;

two second composite boards 2, wherein two ends of each second composite board 2 are symmetrically provided with bending parts 20;

the first composite board 1 and the second composite board 2 both include a metal layer 31, an adhesive layer 32, a flame retardant layer 33, a mesh layer 34 and a foam layer 35 which are sequentially stacked, and the bending part 20 is clamped in the insertion groove 100.

In this embodiment, the first composite board 1 and the second composite board 2 are respectively composed of a metal layer 31, an adhesive layer 32, a flame retardant layer 33, a mesh layer 34, a flame retardant layer 33, an adhesive layer 32, and a foam layer 35, which are sequentially stacked, the flame retardant layer 33 contains water-based acrylic glue, expanded graphite powder, fibers, a carbon forming agent, a catalyst, and a filler, the expanded graphite powder of the flame retardant layer 33 can rapidly react with other materials when being heated to form a protective layer, so as to achieve the effects of flame retardation and heat insulation, the mesh layer 34 can be made of stainless steel, ceramic fibers, etc., the mesh layer 34 can increase the cohesive force of the protective layer generated when the flame retardant layer 33 is heated, so as to prevent the flame retardant layer 33 from cracking and separating due to thermal expansion, thereby making the internal structural forces of the first composite board 1 and the second composite board 2 better, and further improving the heat insulation effect, the foam layer 35 can also improve the heat insulation effect, so that the heat insulation effect and the flame retardant effect of the composite air duct can be improved, the service life of the composite air duct can be prolonged, the second composite board 2 is connected and assembled with the first composite board 1 in a clamping manner, the two bending parts 20 of the second composite board 2 are respectively inserted into the insertion grooves 100 of the two first composite boards 1, the folding parts 10 of the two first composite boards 1 face each other after the insertion is completed, then the two bending parts 20 of the other second composite board 2 are respectively inserted into the insertion grooves 100 of the other ends of the two first composite boards 1, the two first composite boards 1 and the two second composite boards 2 form the composite air duct with the rectangular cross section after the insertion is completed, the first composite board 1 and the second composite board 2 can be transported to the site and then assembled by the assembling manner, and compared with the composite air duct which is transported and assembled, the transportation cost is reduced, meanwhile, the clamping connection mode is convenient for the assembly of the composite air pipe.

Example 2:

the embodiment provides a composite air duct, which comprises the technical scheme of the embodiment and has the following technical characteristics.

Further, folding portion 10 is including the first folding portion 11, the second folding portion 12 and the third folding portion 13 that set gradually, and inserting groove 100 is formed between first folding portion 11 and third folding portion 13, the inboard of kink 20 is equipped with sand grip 200, sand grip 200 and the joint of third folding portion 13.

In this embodiment, the one end of first composite sheet 1 is folded to form first folded portion 11, the end of first folded portion 11 is folded back to first composite sheet 1 to form second folded portion 12, the end of second folded portion 12 is folded towards first composite sheet 1 to form third folded portion 13, the space between first folded portion 11 and third folded portion 13 has formed inserting groove 100, the other end of first composite sheet 1 is the same, the part between two first folded portions 11 is first surface portion, the one end of second composite sheet 2 is bent 90 degrees to form kink 20, the other end of second composite sheet 2 is the same, the part between two kink 20 is second surface portion, both sides of two kink 20 towards the second surface portion are equipped with convex strip 200, convex strip 200 is 45 degrees with this side and is set towards the second surface portion, convex strip 200 and third folded portion 13 block when first composite sheet 1 and second composite sheet 2 block, strengthened the connection between first composite sheet 1 and second composite sheet 2, improved the stability of composite air duct structure.

Example 3:

Further, a cut surface portion 130 is further disposed at the end of the third folded portion 13, and a fixing groove 201 adapted to the cut surface portion 130 is formed between the protruding strip 200 and the inner wall of the bent portion 20.

In this embodiment, the tangent plane portion 130 is disposed at the end of the third folding portion 13, the cross section of the tangent plane portion 130 is 45 degrees with the outer wall of the third folding portion 13, the tangent plane portion 130 can be embedded into the fixing groove 201 of the second surface plate, that is, after the bending portion 20 of the second composite plate 2 is inserted into the inserting groove 100 of the first composite plate 1, the tangent plane portion 130 on the third folding portion 13 of the first composite plate 1 is embedded into the fixing groove 201 of the bending portion 20 of the second composite plate 2, so as to further enhance the connection between the first composite plate 1 and the second composite plate 2, and improve the stability of the composite air duct structure.

Example 4:

Further, the method also comprises the following steps:

and the sealing glue mud 4 is filled in the inserting groove 100.

In this embodiment, the sealing mastic 4 is filled in the insertion groove 100, so that the sealing performance and the waterproof performance of the composite air duct are improved.

Example 5:

Further, the first composite board 1 further includes:

and two fourth folding parts are symmetrically arranged on the first composite board 1.

In this embodiment, after extending a certain length to one end, the middle of the first surface portion of the first composite board 1 extends toward the third folding portion 13 at an acute angle with the original extending direction, and after extending a certain length, the first surface portion is folded back to the middle of the first surface portion, and after folding, the first surface portion continues to extend to the route extending to one end from the middle of the first surface portion, and then the third folding portion is bent and continues to extend, the folding portion formed in the process is the fourth folding portion, and symmetrically with respect to the middle of the first composite board 1, the fourth folding portion is also arranged on the other side of the first composite board 1, and in the assembling process of the composite air duct, the fourth folding portion is compressed, so as to provide an elastic force in the direction opposite to the applying force during assembling, and under the action of the elastic force and the applying force, the bending portion 20 of the second bending portion 20 is more easily inserted into the insertion groove 100 of the first bending portion 20, so that the rapidness of assembling of the composite air duct is improved.

While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present application and the claims.

Claims

1. A composite air duct, comprising:

the composite board comprises two first composite boards (1), wherein folding parts (10) are symmetrically arranged at two ends of each first composite board (1), and the folding parts (10) form inserting grooves (100);

two second composite plates (2), wherein bent parts (20) are symmetrically arranged at two ends of each second composite plate (2);

the first composite board (1) and the second composite board (2) respectively comprise a metal layer (31), an adhesive layer (32), a flame-retardant layer (33), a net layer (34) and a foam layer (35) which are sequentially overlapped, and the bent parts (20) are clamped in the insertion grooves (100).

2. The composite air duct according to claim 1, wherein the folding portion (10) comprises a first folding portion (11), a second folding portion (12) and a third folding portion (13) which are sequentially arranged, the insertion groove (100) is formed between the first folding portion (11) and the third folding portion (13), the inner side of the folding portion (20) is provided with a convex strip (200), and the convex strip (200) is clamped with the third folding portion (13).

3. The composite air pipe according to claim 2, wherein the third folded portion (13) is further provided with a cut surface portion (130) at the end, and a fixing groove (201) adapted to engage with the cut surface portion (130) is formed between the protruding strip (200) and the inner wall of the folded portion (20).

4. The composite air duct of claim 1, further comprising:

and the sealing glue mud (4) is filled in the insertion groove (100).

5. A composite air duct according to claim 1, characterized in that the first composite panel (1) further comprises:

and two fourth folding parts (14), wherein the four folding parts (14) are symmetrically arranged on the first composite board (1).