CN211145629U - Module composite air pipe - Google Patents

Abstract

The utility model relates to a compound tuber pipe of module, including urceolus and inner tube, the urceolus is by a single face composite sheet folding forming, and the single face composite sheet includes the heated board that an outer various steel sheet and adhesion set up in four intervals of its medial surface, and the urceolus is behind folding forming, and four inside walls that the heated board constitutes the urceolus and every heated board have and only have the face of one end to be compressed tightly by the one end terminal surface of another adjacent heated board, and the inner tube corresponds the bonding by the outer wall of a various steel sheet folding forming of inlayer and inner tube and four heated boards. The composite sandwich plate has the advantages that the outer cylinder is made of the single-sided color steel plate composite sandwich material plate as a base material, the outer-layer color steel plate is firmly bonded with the heat-insulation plates and does not fall off, and meanwhile, each heat-insulation plate in the four heat-insulation plates is provided with one end face only and is tightly pressed on the surface of the adjacent heat-insulation plate, so that the composite sandwich plate is beneficial to enhancing the strength of the composite air duct; the inner cylinder is made of one inner color steel plate, and the defect of poor air tightness, noise reduction and heat insulation caused by splicing four color steel plates in the inner cylinder is overcome.

Description

Module composite air pipe

Technical Field

The utility model relates to a compound tuber pipe technical field, concretely relates to compound tuber pipe of module.

Background

The composite air pipe is gradually applied in large scale, and the product has the advantages of good air tightness, high strength, acid and alkali resistance, rust prevention, good noise reduction effect, heat preservation and integral forming and the like.

Chinese utility model patent CN207921517U and chinese patent CN 105570565 a disclose a structure of compound tuber pipe of various steel respectively, its common characteristics all are based on two-sided various steel sheet compound sandwich heated board, then to it make compound tuber pipe product, its advantage is slotted, folding, riveting etc.: 1) the inner and outer color steel plates and the heat-insulating plate are originally bonded into a whole, so that the heat-insulating plate and the inner and outer color steel plates have good bonding effect and do not fall off after the composite air duct is formed; 2) the inner cylinder is formed by four inner color steel plates, one end of each inner color steel plate is abutted against the outer color steel plate, and the other end of each inner color steel plate is pressed on the adjacent inner color steel plate (after being pressed, the inner color steel plates are riveted and fixed and are smeared with sealant or are directly smeared with sealant), so that the inner cylinder has the advantages of strong compression resistance and deformation resistance. However, it also has the following disadvantages: 1) the inner color steel plate forming the inner cylinder is directly contacted with the outer color steel plate forming the outer cylinder, so that the sound insulation and heat insulation effects of the composite air pipe are reduced; 2) the inner barrel is formed by splicing four pieces of colorful steel plates, four splicing seams are left, and although the sealing glue is used for smearing the seams, the risk of air leakage is still high after the inner barrel is used for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a compound tuber pipe of module carries out suitable improvement to its defect structure when aiming at remaining the main advantage of compound tuber pipe among the prior art to obtain the compound tuber pipe of module that gas tightness, intensity and noise cancelling effect are all better.

The utility model provides a compound tuber pipe of module, be the urceolus and the inner tube of rectangle including the cross section, the urceolus is by a single face composite sheet folding forming, the single face composite sheet include an outer various steel sheet and adhere in the rectangle heated board that four intervals of outer various steel sheet medial surface set up, the urceolus is through folding forming back, four the heated board constitutes four inside walls and every of urceolus the face that the heated board has and only have one end is by another adjacent one the one end terminal surface of heated board compresses tightly, the inner tube by an inner layer various steel sheet folding forming just the outer wall and the four of inner tube the heated board corresponds the bonding.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the one end of the various steel sheet of inlayer forms interlock portion after folding many times, the other end of the various steel sheet of inlayer is buckled and is formed after 90 degrees and is bitten the portion, the inner tube takes shape the back, interlock portion with be bitten portion interlock and interlock department and wipe the seam through sealed glue.

The further scheme has the beneficial effects that the bitten part is inserted into the bite and is occluded and fixed in the bite and then the seam is smeared, so that the stability and the good air tightness of the formed inner cylinder are ensured.

Further, the occlusion part is formed by folding one end of the inner color steel plate twice at 180 degrees in opposite directions and then bending the folded end at 90 degrees.

The technical scheme has the advantages that the seam can be formed by folding 180 degrees twice in opposite directions, so that the seam can be occluded, and the occluded part is too bulky if the folding times are increased, so that the adhesion of the joint of the seam and an external heat-insulation board is influenced.

Further, the one end of outer various steel sheet forms riveting connection portion after folding 180 degrees, the urceolus shaping back, riveting connection portion with the other end of outer various steel sheet passes through rivet riveting fixed.

The beneficial effect who adopts above-mentioned further scheme is that, riveting fixed effectual.

Further, the riveting connection part is located on the outer side of the outer cylinder outer side wall.

Adopt above-mentioned further scheme's beneficial effect be, to the destruction of heated board in the section of thick bamboo when reducing the riveting.

Furthermore, the single-sided composite board is formed by slotting the single-sided color steel plate composite sandwich material plate in a reversed U shape at a preset position.

The beneficial effect of adopting above-mentioned further scheme is that, the various steel sheet of single face composite sandwich material board can be produced on automatic production line, and production is convenient, and various steel sheet bonds firmly with sandwich material board (heated board).

Compared with the prior art, the beneficial effects of the utility model are that:

the outer cylinder is made of the single-sided color steel plate composite sandwich material plate serving as a base material (obtained by production on an automatic production line), and has the structural advantages that the outer-layer color steel plate is firmly bonded with the heat-insulating plate and does not fall off, so that the advantages of the prior art are kept, and meanwhile, each heat-insulating plate in the four heat-insulating plates is provided with only one end face pressed on the plate surface of the adjacent heat-insulating plate, so that the strength of the composite air duct is enhanced; the inner cylinder is formed by folding an inner color steel plate and then smearing sealant after the inner cylinder is occluded from head to tail, and the defect that the air tightness, the noise reduction and the heat insulation are reduced because the inner cylinder is formed by splicing four inner color steel plates in the prior art is overcome.

Drawings

Fig. 1 is a base material (single-sided color steel plate composite sandwich material plate) used in the production of the modular composite air duct of the present invention;

FIG. 2 is a plate structure obtained by performing U-shaped grooving at a proper position on FIG. 1 (i.e. the structure of the composite air duct outer cylinder and the insulation board adhered to the inner side of the composite air duct outer cylinder after being unfolded);

FIG. 3 is a schematic structural view of the modular composite air duct outer cylinder and the insulation board adhered to the inner side of the outer cylinder after being folded and half-formed;

FIG. 4 is an enlarged schematic view of circled portion A of FIG. 3 (snap-in configuration);

fig. 5 is a schematic diagram of the module composite air duct after molding.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an outer color steel plate; 2. a thermal insulation board; 3. an inner color steel plate; 10. a hinge connection; 20. plate surface; 21. an end face; 30. an engaging portion; 31. and a bitten part.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, if terms indicating orientation such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the utility model provides a compound tuber pipe of module, be the urceolus and the inner tube of rectangle including the cross section, the urceolus is by a single face composite sheet folding forming, the single face composite sheet include an outer various steel sheet 1 and adhesion in the rectangle heated board 2 that four intervals of 1 medial surface of outer various steel sheet set up, the urceolus is after folding forming, four heated board 2 constitutes four inside walls and every of urceolus heated board 2 has and only has the face 20 of one end by adjacent another the one end terminal surface 21 of heated board 2 compresses tightly, the inner tube by 3 folding forming of the various steel sheet of an inlayer just the outer wall and the four of inner tube heated board 2 correspond the bonding.

It should be noted that, the present invention provides a modular composite air duct, which can be used for producing a single-sided color steel plate composite sandwich material plate (single-sided composite plate) on an automatic production line according to the sequence of fig. 1 to fig. 4 in the forming step, forming a groove at a proper position of the single-sided color steel plate composite sandwich material plate, removing redundant heat insulation materials (as shown in fig. 1 and fig. 2), then performing folding and half-forming, leaving an opening for placing the folded and engaged inner tube (as shown in fig. 3), gluing the whole outer wall of the inner tube before placing, and continuously folding the single-sided composite plate to seal and rivet the opening to form (as shown in fig. 5) after placing the inner tube.

The utility model discloses an in the embodiment, the inner tube is through the fixed shaping of interlock after folding the completion, promptly the one end of the various steel sheet of inlayer 3 forms interlock portion 30 after folding many times, the other end of the various steel sheet of inlayer 3 is buckled and is formed after 90 degrees and is bitten portion 31, the inner tube takes shape after, it inserts to be bitten portion 31 interlock portion 30 is because of folding in the bite that forms and interlock and bite department of each other and wipe the seam through sealed glue.

In a preferred embodiment of the present invention, the engaging portion 30 is formed by folding one end of the inner color steel plate 3 twice by 180 degrees and then bending the folded end by 90 degrees, as shown in fig. 4.

In a preferred embodiment of the present invention, the riveting connection portion 10 is formed after one end of the outer color steel plate 1 is folded by 180 degrees, and after the outer cylinder is formed, the riveting connection portion 10 is riveted and fixed with the other end of the outer color steel plate 1 by a rivet. Preferably, the rivet connection 10 is located outside the outer sidewall of the outer cylinder.

It should be noted that, in each of the above embodiments, the single-sided composite board is formed by grooving the single-sided color steel plate composite sandwich material plate in a shape like a reversed-U at a predetermined position, as shown in fig. 1 and 2.

Generally, the utility model provides a compound tuber pipe of module includes the urceolus and the inner tube of making by the various steel sheet of single face that a single face composite sheet (the various steel sheet of single face compound sandwich material board) was made on the structural component, has solved current product and has had that structural strength is not high, press from both sides the core material and escape, sandwich layer desorption, hollowing scheduling problem.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (6)

1. The utility model provides a compound tuber pipe of module, includes that the cross section is the urceolus and the inner tube of rectangle, its characterized in that, the urceolus is by a single face composite sheet folding forming, the single face composite sheet include one outer various steel sheet (1) and adhesion in rectangle heated board (2) that four intervals of outer various steel sheet (1) medial surface set up, the urceolus is through folding forming back, four heated board (2) constitute four inside walls and every of urceolus heated board (2) have and only have face (20) of one end by adjacent another the one end terminal surface (21) of heated board (2) compress tightly, the inner tube is by a various steel sheet (3) folding forming in inlayer just the outer wall and the four of inner tube heated board (2) correspond the bonding.

2. The modular composite air duct according to claim 1, wherein one end of the inner color steel plate (3) forms an engaging portion (30) after being folded for a plurality of times, the other end of the inner color steel plate (3) is bent for 90 degrees to form an engaged portion (31), after the inner tube is formed, the engaged portion (31) is inserted into an engaging portion (30) formed by folding and engaged with each other, and the engaging portion is sealed by a sealant.

3. The modular composite air duct according to claim 2, wherein the engaging portion (30) is formed by folding one end of the inner color steel plate (3) twice by 180 degrees in opposite directions and then bending the end by 90 degrees.

4. The modular composite air duct according to claim 1, wherein one end of the outer color steel plate (1) is folded by 180 degrees to form a riveting connection part (10), and after the outer barrel is formed, the riveting connection part (10) is riveted and fixed with the other end of the outer color steel plate (1) through a rivet.

5. A modular composite air duct according to claim 4, characterized in that said riveted connection (10) is located outside the outer side wall of the outer drum.

6. The modular composite air duct according to any one of claims 1 to 4, wherein the single-sided composite panel is formed by grooving the single-sided color steel plate composite sandwich material plate in a reverse U shape at a predetermined position.

Images