CN212839859U - Rubber and plastic composite air pipe and air pipe system - Google Patents

Abstract

The application discloses a rubber and plastic composite air pipe and an air pipe system, and relates to the technical field of air pipes, wherein the rubber and plastic composite air pipe comprises an annular air pipe body, an air pipe connecting piece is arranged in the length direction of the annular air pipe body, and the air pipe connecting piece comprises a sub connecting piece and a female connecting piece; the end part of the annular air pipe body is circumferentially provided with a sub-connecting piece of the air pipe connecting piece, and the sub-connecting piece is used for being connected with the end part of the adjacent annular air pipe body; the end part of the adjacent annular air pipe body is circumferentially provided with a female connecting piece of the air pipe connecting piece; the air pipe connecting piece can be cut off at any position and has the function of keeping. The utility model provides a compound tuber pipe of rubber and plastic and tuber pipe system because the tuber pipe connecting piece can cut off and keep the function in the optional position, consequently, can realize carrying out the length adjustment of tuber pipe connecting piece according to the length of cyclic annular tuber pipe body at the engineering scene, satisfies the short processing demand that changes of on-the-spot tuber pipe body.

Description

Rubber and plastic composite air pipe and air pipe system

Technical Field

The application relates to the technical field of air pipes, in particular to a rubber and plastic composite air pipe and an air pipe system.

Background

At present, the flexible air pipe system is applied to an air conditioning system, and has the advantages of simple structure, convenience in cleaning, low manufacturing cost and the like compared with a metal equal air pipe system.

In the related technology, the connecting piece of the common flexible air pipe mostly adopts a zipper, and two adjacent annular air pipe bodies are connected through the zipper. When the zipper is fixed on the surface of the air duct material by adopting a sewing process, the sewing thread can penetrate through the air duct, so that air leakage of the air duct is caused, even a cold bridge phenomenon is generated, and the heat preservation and the sealing of the air duct are not facilitated. In addition, the zipper cannot be cut off, and the difficulty in sewing and installing the zipper on the engineering site is high, so that the length of the annular air duct body cannot be adjusted on the engineering site.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the aim at of this application provides a compound tuber pipe of rubber and plastic and tuber pipe system, can realize carrying out the length adjustment of tuber pipe connecting piece according to the length of cyclic annular tuber pipe body at the engineering scene, satisfies the processing demand of changing short of on-the-spot tuber pipe body.

The first aspect of the application provides a rubber and plastic composite air duct, which comprises an annular air duct body, wherein an air duct connecting piece is arranged in the length direction of the annular air duct body, and comprises a sub connecting piece and a female connecting piece;

the end part of the annular air pipe body is circumferentially provided with a sub-connecting piece of the air pipe connecting piece, and the sub-connecting piece is used for being connected with the end part of the adjacent annular air pipe body; the end part of the adjacent annular air pipe body is circumferentially provided with a female connecting piece of the air pipe connecting piece; the air pipe connecting piece can be cut off at any position and has the function of keeping.

Based on the first aspect, in a possible embodiment, the air duct connector is fixedly connected with the non-insulating layer at the outermost layer or the innermost layer of the annular air duct body.

Based on the first aspect, in a possible embodiment, the annular duct body comprises a use state and a transport state;

when the annular air pipe body is in a use state, the air pipe connecting pieces in the length direction are connected;

when the annular air pipe body is in a transportation state, the air pipe connecting pieces in the length direction are not connected and are packaged in a coiled manner, and the coiling direction in the coiled packaging is consistent with the looping direction in the using state.

Based on the first aspect, in a possible embodiment, the air duct connector is a magic tape set, the sub-connector is a sub-magic tape, the female connector is a female magic tape, and the sub-magic tape and the female magic tape are connected by bonding.

Based on the first aspect, in a possible embodiment, the air duct connector is a plastic clip chain, the child connector is a child clip chain, the parent connector is a parent clip chain matched with the child clip chain, and the child clip chain is connected with the parent clip chain through a bayonet clamped in the parent clip chain.

Based on the first aspect, in a possible embodiment, the air duct connecting piece is a flexible flange strip, the sub-connecting piece is a first flange strip, the female connecting piece is a second flange strip, and the first flange strip and the second flange strip are connected through a buckle.

Based on the first aspect, in a possible embodiment, an included angle is formed between a plane where the connection position in the length direction of the annular air duct body is located and the axial section of the annular air duct body.

The application second aspect provides a compound tuber pipe system of rubber and plastic, it includes:

the air inlet is formed in one end of the main air pipe, and the main air pipe comprises a plurality of annular air pipe bodies.

Based on the second aspect, in a possible embodiment, the method further includes: and the heat-preservation sealing strips are fixed on the outer surfaces of the joints of the annular air pipe bodies in the length direction and the outer surfaces of the joints of the adjacent annular air pipe bodies.

Based on the second aspect, in a possible embodiment, the method further includes: the branch air pipe extends from the main air pipe in the lateral direction and comprises at least one annular air pipe body, and the branch air pipe is connected with the main air pipe through a three-way connecting piece.

Compared with the prior art, the application has the advantages that:

the utility model provides a compound tuber pipe of rubber and plastic and tuber pipe system, because the length direction of cyclic annular tuber pipe body is equipped with the tuber pipe connecting piece, the tip circumference of cyclic annular tuber pipe body is equipped with the sub-connecting piece of tuber pipe connecting piece, be used for the end connection with adjacent cyclic annular tuber pipe body, and the tuber pipe connecting piece can cut off and keep the function in the optional position, consequently, can realize carrying out the length adjustment of tuber pipe connecting piece according to the length of cyclic annular tuber pipe body at the engineering scene, satisfy the short processing demand that changes of on-the-spot tuber pipe body.

Drawings

Fig. 1 is a flowchart of a field installation method of a rubber-plastic composite air duct system according to an embodiment of the present application;

fig. 2 is a schematic cutting view of a third laminar air duct body provided in the embodiment of the present application;

FIG. 3 is a schematic structural diagram of a three-way connection provided in an embodiment of the present application;

FIG. 4 is a schematic diagram of a tee structure provided in an embodiment of the present application;

fig. 5 is a schematic view illustrating a first installation of the suspension mechanism according to the embodiment of the present application;

FIG. 6 is a schematic connection diagram of a connection cord provided in an embodiment of the present application;

FIG. 7 is a second installation schematic of a suspension mechanism provided by an embodiment of the present application;

FIG. 8 is a schematic view of a rubber-plastic composite air duct system according to an embodiment of the present disclosure;

FIG. 9 is a schematic view of an installation of a heat-insulating sealing strip provided in an embodiment of the present application;

fig. 10 is a third installation diagram of the suspension mechanism provided in the embodiment of the present application.

Reference numerals:

1-a first annular air duct body, 10-a third annular air duct body;

2-a second annular air duct body;

3-air pipe connecting piece, 31-son connecting piece and 32-mother connecting piece;

4-heat preservation sealing strips;

5-a three-way connector, 51-a flange edge and 52-a straight pipe section;

6-suspension mechanism, 61-suspension slide bar, 62-internal support slide bar, 63-suspension steel cable, 64-vertical support slide bar, 65-connection short bar, 66-connection rope, 67-first connection part, 68-second connection part;

7-main air pipe;

8-branch air pipes;

9-three-way structure, 91-first connecting pipe, 92-second connecting pipe.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings and examples.

Referring to fig. 1, an embodiment of the present application provides a field installation method of a rubber and plastic composite air duct system, which includes the steps of:

s1, determining the specification and the number of the required first laminar air duct bodies, the specification and the number of the laminar pieces, and the types and the number of the suspension points and the suspension mechanisms 6 according to engineering information.

The air duct direction can be laid out in advance according to engineering information such as construction drawings of a construction site, the specification and the number of the required first sheet-shaped air duct body and the required sheet-shaped pieces and the type and the number of the suspension hanging points and the suspension mechanisms 6 are determined according to the direction of the air duct, and the first sheet-shaped air duct body, the sheet-shaped pieces, the suspension hanging points and the suspension mechanisms 6 are uniformly sent to the construction site so as to achieve once delivery.

And S2, positioning the rubber-plastic composite air pipe system to be constructed on the construction site according to the spatial relationship between the pre-arranged air pipe direction and other components on the construction site. If there are other components in the pre-layout, the air duct can be re-routed.

Wherein, treating the compound tuber pipe system of construction rubber and plastic and carry out the location and include: and accurately measuring the construction site, and calculating the size of each annular air pipe body in the rubber-plastic composite air pipe system according to the accurate measurement. Therefore, only one field measurement is needed in the field installation process.

And S3, installing hanging hoisting points at intervals on a construction site by using a hoisting point tool according to the positioning, and cutting the sheet-shaped piece to obtain a plurality of second sheet-shaped air pipe bodies.

And S4, perforating the positions of the sheet air pipe bodies corresponding to the hanging points, and installing a hanging mechanism 6. Namely, the first and second laminar air duct bodies are both provided with suspension mechanisms 6.

S5, closing each flaky air pipe body into a ring shape by using the air pipe connecting piece 3, and connecting the adjacent ring-shaped air pipe bodies to each other by using the air pipe connecting piece 3 after each suspension mechanism 6 is connected with the corresponding suspension lifting point to complete the installation of the rubber-plastic composite air pipe system. Meanwhile, the air duct connector 3 can be cut off at any position and maintain the function.

The utility model provides an on-spot installation method of rubber and plastic composite air pipe system, use the tuber pipe connecting piece at the job site to be annular with each slice tuber pipe body closure, and interconnect adjacent annular tuber pipe body, because first slice tuber pipe body is the prefab, the slice piece can be tailor and obtain second slice tuber pipe body, and the tuber pipe connecting piece can cut off at the optional position, therefore, site size processing demand has been satisfied, not only realized once the delivery, the on-spot hoist and mount construction of rubber and plastic composite air pipe system has still been realized, the construction is simple, and greatly reduce installation cost, accelerate the installation effectiveness.

In this embodiment, the air duct connecting piece 3 is pre-installed in the length direction of the first sheet-shaped air duct body, and when the air duct connecting piece 3 in the length direction of the first sheet-shaped air duct body is connected, the first sheet-shaped air duct body is annular to form a first annular air duct body 1. The first annular air duct body 1 is a straight pipe with equal diameter or equal section.

The air duct connecting piece 3 comprises a sub connecting piece 31 and a female connecting piece 32 which can be connected with each other, and the sub connecting piece 31 and the female connecting piece 32 are respectively arranged on two side edges of the first sheet-shaped air duct body in the length direction. The length of the first sheet-shaped air duct body in the width direction is the circumference of the first annular air duct body 1.

The width direction of the first sheet-shaped air duct body is respectively pre-provided with a sub connecting piece 31 and a female connecting piece 32 of the air duct connecting piece 3, and the sub connecting piece and the female connecting piece are used for being connected with the adjacent annular air duct body after the first sheet-shaped air duct body forms the first annular air duct body 1.

Before entering a construction site, the air pipe connecting piece 3 is installed on the first sheet-shaped air pipe body in advance, so that the installation time of the air pipe connecting piece 3 on the site can be reduced, and the installation efficiency is accelerated.

When the length of the annular air duct body required by the position to be installed is shorter than that of the first annular air duct body 1, the first annular air duct body 1 needs to be cut short.

Referring to fig. 2, further, according to the above positioning, the length of the third laminar air duct body different from the other first laminar air duct bodies is determined.

Then, according to the length, part of the first sheet-shaped air duct body is cut along the width direction of the first sheet-shaped air duct body, and the cut air duct connecting piece part is installed at the cut edge, so that a third sheet-shaped air duct body with the length smaller than that of other first sheet-shaped air duct bodies can be obtained.

When the air duct connecting pieces 3 in the length direction of the third sheet-shaped air duct body are connected, the third sheet-shaped air duct body is annular, and a third annular air duct body 10 is formed.

In this embodiment, when the first sheet-shaped air duct body is cut along the width direction thereof, the cut-off male connector 31 or female connector 32 can be directly mounted on the cut edge, so as to be connected with the female connector 32 or male connector 31 at the end of the adjacent annular air duct body.

In this embodiment, above-mentioned sheet does not pre-install tuber pipe connecting piece 3, cuts out the sheet, after obtaining a plurality of second sheet tuber pipe bodies, still includes:

firstly, the air pipe connecting pieces 3 are installed in the length direction of the second sheet-shaped air pipe body, and when the air pipe connecting pieces 3 in the length direction of the second sheet-shaped air pipe body are connected, the second sheet-shaped air pipe body is annular, so that a second annular air pipe body 2 is obtained.

Then, the secondary connecting member 31 of the duct connecting member 3 is installed in the width direction where the second sheet-like duct body is connected to the end of the adjacent annular duct body to which the primary connecting member 32 of the duct connecting member 3 is installed.

In this embodiment, the second annular duct body 2 and the adjacent annular duct body can be connected through the sub-connecting member 31 and the female connecting member 32 of the duct connecting member 3. Wherein, the second annular air duct body 2 is a reducer pipe or a steering elbow pipe. The adjacent annular air duct bodies can be straight pipes with equal diameters or equal sections, and also can be reducer pipes or steering bent pipes.

Optionally, the air duct connector 3 is a magic tape set, a plastic clip chain or a flexible flange strip, and after the air duct connector 3 is cut off at will, the connection function of the air duct connector is not affected.

In this embodiment, 3 accessible bonding of tuber pipe connecting piece, ultrasonic bonding or surface sewing technology fix on the surface of tuber pipe body, and above-mentioned fixed process all can not pierce through the heat preservation of tuber pipe body, can not produce and leak out and cold bridge problem.

When the air pipe connecting piece 3 is sewn on the surface of the sheet-shaped air pipe body, the air pipe connecting piece 3 is sewn and connected with the outermost or innermost non-heat-insulating layer of the sheet-shaped air pipe body so as to ensure that a sewing line cannot penetrate through the heat-insulating layer of the air pipe body.

Specifically, installing the air duct connector 3 specifically includes:

firstly, the subsidiary connecting piece 31 and the main connecting piece 32 of the air pipe connecting piece 3 are respectively fixed on two side edges of the second flaky air pipe body in the length direction and are fixedly connected with the outermost or innermost non-heat-insulating layer at the side edges. That is, the male connector 31 and the female connector 32 of the air duct connector 3 are fixed on the outermost layer of the side edge, or fixed on the innermost layer of the side edge, so that the male connector and the female connector are in butt joint.

Then, the sub-connector 31 of the air duct connector 3 is fixed on the side edge of the sheet-shaped air duct body in the width direction, which is connected with the end part of the adjacent air duct body, and is fixedly connected with the outermost or innermost non-heat-insulating layer at the side edge, and the end part of the adjacent air duct body is fixed with the female connector 32 of the air duct connector 3. When the female connecting piece 32 is fixed on the outermost side of the end part of the adjacent air duct body, the sub-connecting piece 31 is fixed on the outermost side of the side edge of the sheet-shaped air duct body; when the female connecting piece 32 is fixed on the innermost side of the end part of the adjacent air duct body, the male connecting piece 31 is fixed on the innermost side of the side edge of the sheet-shaped air duct body.

Preferably, the method further comprises:

the heat-insulating sealing strips 4 are fixed on the outer surfaces of the joints of the annular air pipe bodies in the length direction and the outer surfaces of the joints of the adjacent annular air pipe bodies, so that heat insulation and sealing treatment are performed through the heat-insulating sealing strips 4, and energy loss caused by air leakage is further reduced.

In this embodiment, the heat-insulating sealing strip 4 is fixed on the outer surface of the annular air duct body in a bonding manner.

Further, when the annular air duct body is a reducer pipe or a steering elbow, whether a corresponding special-shaped template exists is judged, and the special-shaped template is as follows: the first flat plate is the same as the reducer pipe or the steering elbow pipe in size when the reducer pipe or the steering elbow pipe is in a sheet shape.

If the corresponding special-shaped template exists, the cutting template is directly used for cutting the sheet-shaped piece so as to reduce the processing time.

Otherwise, it indicates that the reducer pipe or the steering elbow pipe is in an unconventional size, the curved surface of the reducer pipe or the steering elbow pipe needs to be flattened through unfolding software according to size data of the reducer pipe or the steering elbow pipe, the shape and the size of the reducer pipe or the steering elbow pipe in a sheet shape are determined, linear marks are made on the sheet piece through a measuring tool, and cutting is performed according to the linear marks.

In this embodiment, when the reducer pipe is expanded, the expansion is calculated by the expansion software according to the input length of the reducer pipe, the information of the inner diameter and the outer diameter of the two ends, and the eccentric distance, so as to obtain the shape and size data of the expansion plane of the reducer pipe, that is, the shape and size data when the reducer pipe is a sheet-shaped member.

When the steering elbow is unfolded, the unfolding is calculated by unfolding software according to the input information of the length, the curvature radius and the inner and outer diameters of two ends of the steering elbow, so that the shape and size data of the unfolding plane of the steering elbow, namely the shape and size data when the steering elbow is in a sheet shape, are obtained.

Further, when the middle part of cyclic annular tuber pipe body needs the trompil to when forming tee bend or cross structure with other cyclic annular tuber pipe body coupling, judge whether there is corresponding trompil template, above-mentioned trompil template is: the size is the same when the annular air duct body that needs the trompil is the slice, and set up porose second flat board, the hole on the above-mentioned second flat board is configured as: and forming through holes connected with other annular air pipe bodies after the annular air pipe bodies are perforated.

If the corresponding perforated template exists, the perforated template is used for cutting and perforating the sheet-shaped air pipe body forming the annular air pipe body.

Otherwise, indicating that the three-way or four-way structure is in an unconventional size, flattening the curved surface of the annular air pipe body by using unfolding software according to size data of the annular air pipe body and other connected annular air pipe bodies and the connection positions of the annular air pipe body and the other connected annular air pipe bodies, determining the opening position of the annular air pipe body when the annular air pipe body is in a sheet shape, marking a linear mark on the corresponding sheet air pipe body by using a measuring tool, and cutting according to the linear mark.

In this embodiment, the two annular air duct bodies forming the three-way structure 9 are a first connecting pipe 91 and a second connecting pipe 92, respectively, and a through hole connected with the second connecting pipe 92 is formed in the middle of the first connecting pipe 91.

When the first connecting pipe 91 is unfolded, the data of the unfolding plane of the first connecting pipe 91 can be obtained by calculating and unfolding through unfolding software according to the input length of the first connecting pipe 91, the information of the inner diameter and the outer diameter of the first connecting pipe 91 and the second connecting pipe 92, the included angle and the eccentric distance between the first connecting pipe 91 and the second connecting pipe 92, and the distance from the end face circle center of the second connecting pipe 92 far away from the first connecting pipe 91 to the end part of the first connecting pipe 91 in the axial direction of the first connecting pipe 91.

The embodiment meets the requirements of the site rapid processing of the special-shaped air pipe body and the size and structure change of a construction site.

Referring to fig. 3 and 4, the method of the present embodiment further includes:

the first connection pipe 91 and the second connection pipe 92 are connected using the three-way connection 5 to form the three-way structure 9. The three-way connection 5 includes a straight pipe section 52 and a flange 51 integrally formed at an end of the straight pipe section 52, and the flange 51 has a size larger than that of the through hole.

Wherein, connecting the first connecting pipe 91 and the second connecting pipe 92 using the three-way connecting member 5 specifically includes:

first, the flange 51 is inserted into the first connecting pipe 91 through the through hole, and the end surface of the flange 51 near the through hole is bonded to the inner surface of the first connecting pipe 91 at the through hole.

Then, the outer surface of the first connecting pipe 91 at the through hole is adhesively sealed with the straight pipe section 52 by a heat insulating sealing tape.

Finally, the end of the straight pipe section 52 remote from the flange 51 is connected to a second connecting pipe 92.

Alternatively, when the straight tube section 52 is inserted into the second connecting tube 92, the outer wall of the straight tube section 52 is adhesively sealed with the inner wall of the second connecting tube 92; when the straight tube section 52 is sleeved on the outer wall of the second connecting tube 92, the inner wall of the straight tube section 52 and the outer wall of the second connecting tube 92 are bonded and sealed.

In this embodiment, tee bend connecting piece body is flexible flange strip, can decide according to tee bend structure 9's size at the job site to crooked joint is the annular, has satisfied the job site and has met the requirement to the change in size of tee bend connecting piece 5.

Specifically, when the three-way connection piece 5 is manufactured on the construction site according to the size data of the three-way structure 9, that is, the circumference of the through hole of the first connection pipe 91, the flexible flange strip with the L-shaped cross section is firstly cut to obtain the three-way connection piece body with the L-shaped cross section.

Then, the three-way connector body is bent into a ring shape, and the butt joints are joined to form the flange 51 and the straight pipe section 52.

In addition, the three-way connecting piece 5 with specific size can be prefabricated and finished in a factory according to the given size, so that the field processing time is reduced, and the three-way connecting piece can be directly used in a construction field. The prefabricated three-way connecting piece 5 can be made of metal, plastic or rubber plastic materials.

In this embodiment, the three-way connection member 5 not only realizes the quick connection of the three-way structure 9, but also has a simple connection process.

Correspondingly, when the four-way structure is manufactured, two three-way connecting pieces 5 are required to be manufactured according to the size data of the three annular air pipe bodies forming the four-way structure. The three annular air pipe bodies are respectively a third connecting pipe, a fourth connecting pipe and a fifth connecting pipe. Two through holes are formed in the middle of the third connecting pipe and are respectively connected with the fourth connecting pipe and the fifth connecting pipe through the two through holes. The flange edges 51 of the two three-way connecting pieces 5 respectively pass through one through hole and are arranged in the third connecting pipe, and the straight pipe sections 52 of the two three-way connecting pieces 5 are respectively connected with the fourth connecting pipe and the fifth connecting pipe.

Further, the suspension mechanism 6 includes a suspension member, a connection rope 66 and a suspension steel rope 63.

As shown in fig. 5 and 6, the mounting suspension mechanism 6 specifically includes:

firstly, according to the positioning of the air pipe to be constructed, the section shape and the air pipe width of the annular air pipe body are determined, the air pipe height can be further determined, and the installation position of the suspension assembly is determined.

And secondly, determining the perforating position of the annular air duct body when the annular air duct body is in a sheet shape according to the mounting position of the suspension assembly, and perforating.

Then, the connecting string 66 is installed at each of the above-mentioned perforated positions, and the adhesive sealing is performed at each of the perforated positions to further enhance the heat-insulating effect. The end part of the connecting rope 66 positioned in the annular air duct body is provided with a first connecting part 67, and the end part of the connecting rope 66 positioned outside the annular air duct body is provided with a second connecting part 68.

Alternatively, the first connecting portion 67 is a perforated tape, and the second connecting portion 68 is a hanging ring. Therefore, in this embodiment, at least two rows of the perforated belts and the hanging rings are arranged along the length direction of the annular air duct body.

Finally, the suspension assembly is connected to the first connection 67 and one end of the suspension wire 63 is fixed to the second connection 68. After the other end of the suspension steel rope 63 is connected with the suspension hoisting point, the annular air duct body can be hoisted.

In this embodiment, when the cross-sectional shape of the annular duct body is circular, the suspension assembly includes at least two suspension sliding rods 61, and the installation position of the suspension sliding rods 61 can be determined according to the cross-sectional shape. The hanging sliding rods 61 are arranged along the length direction of the annular air duct body, and each hanging sliding rod 61 is arranged in a row of perforated belts in a penetrating mode.

Referring to fig. 7, when the cross-sectional shape of the annular air duct body is non-circular, the suspension assembly includes two suspension sliding rods 61 and a plurality of inner support sliding rods 62, and the length of the inner support sliding rods 62 and the installation position of the suspension sliding rods 61 are determined according to the cross-sectional shape and the air duct width, wherein two ends of the plurality of inner support sliding rods 62 are respectively connected to the two suspension sliding rods 61 to form the suspension assembly.

The suspension mechanism 6 of the present embodiment is independent of the air duct body and is adjustable in size. During field installation, the length of the inner support sliding rod 62 can be changed through cutting to change the width of the annular air pipe body, so that the height of the annular air pipe body is adjusted, and the requirement of field space size change is met. The length of the inner support slide rod 62 is changed in combination with the change of the installation position of the suspension slide rod 61, so that the section of the annular air pipe body can be semicircular, arched or semielliptical, and the individualized requirement of the market on the appearance of the air pipe is met. In addition, through the installation mode, the suspension assembly is prevented from being exposed, the service life of the suspension assembly is prolonged, and the surface of the whole air pipe system is more smooth and attractive.

Preferably, after the specification and the number of the required first sheet air duct bodies and sheet pieces are determined, each first sheet air duct body and sheet piece are respectively packed into a roll. Every first slice tuber pipe body and slice piece all adopt independent wraparound, and every slice tuber pipe body tectorial membrane plastic envelope respectively after the lapping promptly, then can pack a plurality of independent wraparound once more, transport again to the job site to solve the packing protection problem of single slice tuber pipe body product, not only realized that the wraparound is more pleasing to the eye, and be convenient for the transportation and the transfer of slice tuber pipe body.

The curling direction of the first sheet-shaped air pipe body is consistent with the curling and ring forming direction of the first sheet-shaped air pipe body, and the curling direction of the sheet-shaped piece is consistent with the ring forming direction of the second cut sheet-shaped air pipe body. Through the above wrapping mode, the internal stress generated during wrapping and ring forming is consistent, so that a certain shaping effect is generated on the annular air pipe body, and the appearance of the rubber-plastic composite air pipe system formed in the later stage is more smooth and attractive.

The field installation method of the embodiment can realize the field installation of the rubber-plastic composite air pipe with certain thickness, strength and elasticity.

The embodiment of the application also provides a rubber and plastic composite air pipe, which comprises an annular air pipe body, wherein the air pipe connecting piece 3 is arranged in the length direction of the annular air pipe body, and the air pipe connecting piece 3 comprises a sub-connecting piece 31 and a female connecting piece 32.

The end part of the annular air pipe body is circumferentially provided with a sub connecting piece 31 of the air pipe connecting piece 3 for connecting with the end part of the adjacent annular air pipe body, and the end part of the adjacent annular air pipe body is circumferentially provided with a female connecting piece 32 of the air pipe connecting piece 3. The air duct connector 3 can be cut off at any position and can maintain the function.

In this embodiment, the annular duct body includes a use state and a transportation state.

When the annular air pipe body is in a use state, the air pipe connecting pieces 3 in the length direction of the annular air pipe body are connected.

When the annular air pipe body is in a transportation state, the air pipe connecting pieces 3 in the length direction are not connected, namely, the air pipe body is in a sheet shape. In the transportation process, the sheet-shaped air duct body is packaged in a coiled mode, and the coiling direction in the coiled packaging process is consistent with the looping direction in the using state. When the air pipe is folded, gaps are not reserved between the rings of the air pipe body, the volume is small after the air pipe is folded, and the air pipe is convenient to transport and store.

In this embodiment, the air duct connector 3 is fixedly connected to the outermost or innermost non-insulating layer of the annular air duct body by means of bonding or sewing.

In this embodiment, the annular air duct body is provided with a butt seam extending along the length direction, and the butt seam divides the annular air duct body into a first end and a second end.

Optionally, the sub-connector 31 of the air duct connector 3 is sewn and fixed on the innermost layer of the first end, the female connector 32 of the air duct connector 3 is sewn and fixed on the innermost layer of the second end, and the first end and the second end of the annular air duct body are connected by the sub-connector 31 and the female connector 32.

In other embodiments, the sub-connector 31 of the air duct connector 3 is sewn and fixed on the outermost layer of the first end, and correspondingly, the female connector 32 of the air duct connector 3 is sewn and fixed on the outermost layer of the second end.

Optionally, the plane of the butt joint and the axial section of the annular air pipe body form a certain included angle, and the butt joint is in sealing connection through bonding, so that the connection is tighter, and the heat preservation effect is better.

Optionally, the innermost circumferential layers of the ends of the two annular air duct bodies connected with each other are respectively connected with the sub-connecting piece 31 and the female connecting piece 32 of the air duct connecting piece 3 in a sewing manner. After the sub-connecting piece 31 and the female connecting piece 32 are connected, the end parts of two adjacent annular air duct bodies are extruded and sealed.

Further, the air duct connector 3 is a magic tape set, a plastic clip chain or a flexible flange strip.

When air pipe connecting piece 3 is magic subsides group, including sub-magic subsides and female magic subsides, sub-magic subsides and female magic subsides pass through adhesive connection.

When the air pipe connecting piece 3 is a plastic clip chain, the plastic clip chain comprises a sub clip chain and a female clip chain which are matched, and the sub clip chain is arranged in a bayonet of the female clip chain through clamping to complete connection.

When tuber pipe connecting piece 3 is flexible flange strip, including first flange strip and second flange strip, first flange strip and second flange strip pass through the buckle and connect. Optionally, a male buckle is arranged on the first flange strip, a female buckle is arranged on the second flange strip, and the first flange strip and the second flange strip are connected through the male buckle and the female buckle.

The embodiment of the application also provides a rubber and plastic composite air pipe system, which comprises a main air pipe 7. One end of the main air pipe 7 is provided with an air inlet, and the main air pipe 7 comprises a plurality of annular air pipe bodies.

The length direction of each annular air pipe body and the end part circumference connected with two adjacent annular air pipe bodies are respectively provided with an air pipe connecting piece 3. Wherein the air duct connection 3 can be cut off at any position and remain functional.

The positions of the air duct connectors 3 are configured after all the air duct connectors 3 are used, so that a plurality of annular air duct bodies are annular, and the adjacent annular air duct bodies are connected with each other to form the main air duct 7.

In this embodiment, the annular air duct body is a rubber and plastic composite air duct with certain thickness, strength and elasticity, and the annular air duct body includes a fabric layer and a rubber and plastic layer arranged outside the fabric layer. Wherein, the rubber plastic layer comprises an integrally formed insulating layer and a protective layer from inside to outside.

The heat-insulating layer is made of flexible rubber-plastic heat-insulating materials, has a heat-insulating function, and can prevent cold/hot air in the annular air pipe body from exchanging heat with the outside to cause energy loss of the air-conditioning ventilation system.

In this embodiment, the annular duct body, which is different in size from other standard annular duct bodies, is configured to be cut according to a size required in a construction site.

Referring to fig. 8, the annular duct bodies include a first annular duct body 1 of a standard straight tube, a second annular duct body 2 of a non-standard straight tube cut from a sheet-shaped member, and a third annular duct body 10 cut from the first annular duct body 1. The second annular air duct body 2 comprises a reducer pipe and a steering elbow pipe. The first annular air duct body 1 may include various specifications, and correspondingly, the third annular air duct body 10 cut from the first annular air duct body may also have various specifications.

Referring to fig. 9, the rubber-plastic composite air duct system in this embodiment further includes a plurality of heat-insulating sealing strips 4, where the heat-insulating sealing strips 4 are fixed to the outer surfaces of the joints in the length direction of the annular air duct bodies and the outer surfaces of the joints of the adjacent annular air duct bodies. The heat-preservation and air-leakage-prevention effect can be further enhanced through the heat-preservation sealing strips 4. Wherein, the air pipe connecting piece 3 is fixed on the inner surface of the annular air pipe body.

The system further comprises a branch air duct 8 extending laterally from the main air duct 7. The branch air duct 8 includes at least one annular air duct body, and the branch air duct 8 is connected to the main air duct 7 through a three-way connection member 5. The rubber-plastic composite air pipe system is formed by assembling the main air pipe 7 and the branch air pipes 8, and can be quickly connected on site to form an air pipe system with any structure.

In this embodiment, the annular duct body connected to the branch duct 8 in the main duct 7 is used as the first connecting pipe 91, the annular duct body connected to the first connecting pipe 91 in the branch duct 8 is used as the second connecting pipe 92, and a through hole is formed in the middle of the first connecting pipe 91 and connected to the end of the second connecting pipe 92 through the through hole.

Wherein, the length direction of the first connecting pipe 91 is provided with an annular air pipe connecting piece 3, and the two ends of the first connecting pipe 91 are circumferentially provided with a sub connecting piece 31 and a female connecting piece 32 of the air pipe connecting piece 3 respectively, so as to be connected with the end part of the adjacent annular air pipe body.

The second connecting pipe 92 is provided with an annular air duct connector 3 along the length direction, the secondary connector 31 or the primary connector 32 of the air duct connector 3 is circumferentially arranged at one end of the second connecting pipe 92 so as to be connected with the end of the adjacent annular air duct body, and the other end of the second connecting pipe 92 is connected with the first connecting pipe 91 through the three-way connector 5.

Preferably, the three-way connection 5 comprises a straight pipe section 52 and a flanged rim 51. The straight pipe section 52 is adapted to be connected to the second connecting pipe 92, the flange 51 is integrally formed with the straight pipe section 52, and the flange 51 is adapted to be connected to the first connecting pipe 91.

The straight pipe section 52 and the flange 51 are formed by bending flexible flange strips with L-shaped sections, and joints are formed at the joints.

In this embodiment, the end surface of the flange 51 near the straight pipe section 52 is bonded and fixed to the inner surface of the first connecting pipe 91 at the through hole.

Optionally, the end surface of the flange 51 near the straight pipe section 52 is: a curved surface adapted to the inner surface of the first connection pipe 91 at the through hole.

The outer surface of the first connecting pipe 91 at the through hole is connected with the straight pipe section 52 by a heat-insulating sealing tape. The straight pipe section 52 is inserted into the second connection pipe 92, and is adhesively connected to the second connection pipe 92.

In other embodiments, a three-way connection piece 5 with a suitable size can be selected to fix the straight pipe section 52 sleeved outside the second connection pipe 92.

In this embodiment, the three-way connection member 5 can be fabricated on site at a construction site according to the size of the three-way pipe, so as to meet the size change requirement of the construction site.

In other embodiments, the three-way connection member 5 may be made of metal, plastic or rubber plastic, and is prefabricated in the factory according to a given size.

When the flange 51 and the straight pipe section 52 are made of rigid materials, a clamp can be sleeved outside the second connecting pipe 92, and then the second connecting pipe 92 and the straight pipe section 52 are tightly clamped and connected through the clamp after the straight pipe section 52 is inserted into the branch air duct 8.

The rubber-plastic composite air duct system of the present embodiment further comprises a suspension mechanism 6, wherein the suspension mechanism 6 comprises a suspension component, a connection rope 66 and a suspension steel rope 63.

The suspension assembly is arranged in the annular air pipe body and is used for supporting the annular air pipe body to form a required cross section shape and air pipe width.

The connecting rope 66 penetrates through the annular air duct body, a first connecting part 67 connected with the suspension assembly is arranged at the end part of the connecting rope 66 positioned in the annular air duct body, and a second connecting part 68 is arranged at the end part of the connecting rope 66 positioned outside the annular air duct body; the sealing glue is coated at the perforation of the annular air duct body penetrating the connecting rope 66.

One end of the suspension wire 63 is fixed to the second connecting portion 68 and the other end of the suspension wire 63 is connected to the suspension hoisting point.

When the section of the annular air duct body is circular, the suspension assembly comprises at least two suspension sliding rods 61, the suspension sliding rods 61 are arranged along the length direction of the annular air duct body, and each suspension sliding rod 61 is arranged in a row of perforated belts in a penetrating mode.

When the cross-sectional shape of the annular air duct body is non-circular, the suspension assembly comprises two suspension sliding rods 61 and a plurality of inner support sliding rods 62.

The two ends of the inner support sliding rods 62 are respectively connected to the two suspension sliding rods 61 to form the suspension assembly.

The length of the inner support slide 62 and the mounting position of the suspension slide 61 are configured to: after the suspension mechanism 6 is attached to the annular duct body, the annular duct body is formed into a desired cross-sectional shape and duct width.

Referring to fig. 10, optionally, the suspension mechanism 6 further comprises a vertical support assembly comprising a vertical support slide 64 and a plurality of connecting short rods 65.

The vertical supporting sliding rod 64 is arranged along the length direction of the annular air pipe body, and the vertical supporting sliding rod 64 is located above the plane where the suspension assembly is located. One end of each connecting short rod 65 is connected with one inner supporting sliding rod 62, and the other end of each connecting short rod 65 is connected with a vertical supporting sliding rod 64.

Through setting up vertical supporting component, can keep annular tuber pipe body's cross sectional shape unchangeable under the condition of not ventilating.

The rubber and plastic composite air pipe system of the embodiment adopts the air pipe connecting piece 3 which can be cut to be quickly connected with the annular air pipe body at the construction site to form the rubber and plastic composite air pipe system, is suitable for non-industrial factory buildings such as civil, home and supermarket stores besides being suitable for industrial factory buildings, meets the requirement of the construction site on air pipe size change, realizes one-time processing hoisting at the construction site, saves construction time and reduces construction cost.

The present application is not limited to the above embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present application, and such modifications and improvements are also considered to be within the scope of the present application. Those not described in detail in this specification are within the skill of the art.

Claims (10)

1. A rubber and plastic composite air pipe is characterized in that: the air pipe comprises an annular air pipe body, wherein an air pipe connecting piece (3) is arranged in the length direction of the annular air pipe body, and the air pipe connecting piece (3) comprises a sub connecting piece (31) and a female connecting piece (32);

the end part of the annular air pipe body is circumferentially provided with a sub-connecting piece (31) of the air pipe connecting piece (3) which is used for being connected with the end part of the adjacent annular air pipe body; the end part of the adjacent annular air pipe body is circumferentially provided with a female connecting piece (32) of the air pipe connecting piece (3); the air pipe connecting piece (3) can be cut off at any position and has a function.

2. The rubber-plastic composite air duct according to claim 1, wherein: and the air pipe connecting piece (3) is fixedly connected with the non-heat-insulating layer on the outermost layer or the innermost layer of the annular air pipe body.

3. The rubber-plastic composite air duct according to claim 1, wherein: the annular air pipe body comprises a use state and a transportation state;

when the annular air pipe body is in a use state, the air pipe connecting pieces (3) in the length direction are connected;

when the annular air pipe body is in a transportation state, the air pipe connecting piece (3) in the length direction is not connected and is packaged in a coiled manner, and the coiling direction in the coiled packaging is consistent with the looping direction in the use state.

4. The rubber-plastic composite air duct according to claim 1, wherein: the air pipe connecting piece (3) is a magic tape set, the sub-connecting piece (31) is a sub-magic tape, the female connecting piece (32) is a female magic tape, and the sub-magic tape and the female magic tape are connected through bonding.

5. The rubber-plastic composite air duct according to claim 1, wherein: the air pipe connecting piece (3) is a plastic clip chain, the sub-connecting piece (31) is a sub-clip chain, the female connecting piece (32) is a female clip chain matched with the sub-clip chain, and the sub-clip chain is connected with the female clip chain through a bayonet arranged on the female clip chain by a clamp.

6. The rubber-plastic composite air duct according to claim 1, wherein: the air pipe connecting piece (3) is a flexible flange strip, the sub-connecting piece (31) is a first flange strip, the female connecting piece (32) is a second flange strip, and the first flange strip and the second flange strip are connected through a buckle.

7. The rubber-plastic composite air duct according to claim 1, wherein: an included angle is formed between the plane of the joint of the annular air pipe body in the length direction and the axial section of the annular air pipe body.

8. A rubber and plastic composite air pipe system is characterized by comprising:

a main air duct (7), one end of the main air duct (7) being provided with an air inlet, the main air duct (7) comprising a plurality of annular air duct bodies according to claim 1.

9. The rubber-plastic composite air duct system according to claim 8, further comprising: and the heat-insulating sealing strip (4) is fixed on the outer surface of the joint of the annular air pipe bodies in the length direction and the outer surface of the joint of the adjacent annular air pipe bodies.

10. The rubber-plastic composite air duct system according to claim 8, further comprising: the branch air pipe (8) is laterally extended from the main air pipe (7), the branch air pipe (8) comprises at least one annular air pipe body, and the branch air pipe is connected with the main air pipe (7) through a three-way connecting piece (5).

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