CN202252447U

CN202252447U - Port connection structure of ventilation pipes

Info

Publication number: CN202252447U
Application number: CN201120348140XU
Authority: CN
Inventors: 侯初
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-16
Filing date: 2011-09-16
Publication date: 2012-05-30
Anticipated expiration: 2021-09-16

Abstract

The utility model discloses a port connection structure of ventilation pipes, belonging to the technology of connection of the ventilation pipes; the port connection structure of the ventilation pipes comprises two ventilation pipes with opposite ports and four connecting members; both the two ventilation pipes are square pipes; outward bending sides are arranged at four sides of the ports of the ventilation pipes; bent sides buckled with the corresponding bending sides are arranged at two sides of each connecting member; and the connecting members and the bending sides are buckled to form an axially pressed structure. The port connection structure is formed by extruding through a special electric tool; and then, gaps in four corners of the ventilation pipes are sealed in a manner of gluing or sticking an adhesive tape, thus, the whole pipeline is sealed. The port connection structure of the ventilation pipes, disclosed by the utility model, is applied to connection construction of central air-conditioning ventilation pipelines of a large building, therefore, the ventilation pipelines are firmly connected, the construction efficiency is increased, the labour intensity is reduced, and the construction cost is saved.

Description

Ventilation duct port linkage structure

Technical field

The utility model relates to ventilation duct port interconnection technique.

Background technique

In the linkage structure of ventilation duct port, how be connected the port of ventilation duct with angle iron flange or impact briquetting flange, dock with the flange of the fastening mode of screw again ventilation duct, adopt this process method construction efficient low and expense is high.

The model utility content

The utility model technical problem to be solved provide a kind of simple in structure, join strength is high, constructing operation is convenient, the ventilation duct port linkage structure that manufacturing efficiency is high.

For solving the problems of the technologies described above, the technological scheme that the utility model is taked is: a kind of ventilation duct port linkage structure is characterized in that: comprise two ports ventilation duct and four links in opposite directions; Four limits that said ventilation duct is its port of square tube are equipped with outside bending edges, and said link both sides are equipped with the crimp that fastens with corresponding bending edges, but the structure of said link and bending edges fastening and formation axial compression.

The further improvement that the utility model is done is: the structure of said bending edges is three flangings; Wherein first flanging is by the bending that makes progress of the port of ventilation duct; Second flanging is by the bending left of first flanging; The 3rd flanging is by the downward bending of second flanging, and the length of said the 3rd flanging is less than first flanging; The structure of the crimp in said link left side is three flangings, and wherein Fourth Fold is by the downward bending in the left side of link, and the 5th flanging is by Fourth Fold bending to the right, and the 6th flanging is by the bending that makes progress of the 5th flanging, and the length of said the 6th flanging is less than Fourth Fold; Said Fourth Fold, the 5th flanging and the 6th flanging wrap up the 3rd flanging; Between the said ventilation duct port and first flanging and the angle between link matrix face and the Fourth Fold be the right angle, the angle that forms flanging in said bending edges and the crimp is the right angle.

Adopt the beneficial effect that technique scheme produced to be: to guarantee the ventilation duct join strength, enhance productivity, reduce labor intensity, save operating expenses.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.

Fig. 1 is the bending edges of ventilation duct and the structural representation that link fastens;

Fig. 2 is that the flanging of ventilation duct and the flanging of link are the structural representation that the right angle also fastens;

Fig. 3 is the work progress schematic representation.

As shown in the figure: 1 ventilation duct, 2 links, 3 bending edges, 4 crimps, 6 first flangings, 7 second flangings, 8 the 3rd flangings, 9 Fourth Folds, 10 the 5th flangings, 11 the 6th flangings.

Embodiment

Combine Fig. 1, Fig. 2 and Fig. 3 that the structure of the utility model is further specified: this ventilation duct port linkage structure comprises two ports ventilation duct 1 and four links 2 in opposite directions at present; Four limits that said ventilation duct 1 is its port of square tube are equipped with outside bending edges 3, and said link 2 both sides are equipped with the crimp 4 that fastens with corresponding bending edges 3, but the structure of said link 2 and bending edges 3 fastenings and formation axial compression; The structure of said bending edges 3 is three flangings, and wherein first flanging 6 is by the bending that makes progress of the port of ventilation duct 1, and second flanging 7 is by first flanging 6 bending left, and the 3rd flanging 8 is by the 7 downward bendings of second flanging, and the length of said the 3rd flanging 8 is less than first flanging 6; The structure of the crimp 4 in said link 2 left sides is three flangings; Wherein Fourth Fold 9 is by the downward bending in the left side of link 2; The 5th flanging 10 is by Fourth Fold 9 bending to the right, and the 6th flanging 11 is by the 10 upwards bendings of the 5th flanging, and the length of said the 6th flanging 11 is less than Fourth Fold 9; Said Fourth Fold 9, the 5th flanging 10 and the 6th flanging 11 are with the 3rd flanging 8 parcels; Between said ventilation duct 1 port and first flanging 6 and the angle between link 2 matrix faces and the Fourth Fold 9 be the right angle, the angle that forms flanging in said bending edges 3 and the crimp 4 is the right angle.

Described bending edges 3 can be made up of both sides or three limits with crimp 4, can be connected or amounts to connection for circular arc between limit and the limit; Its sectional shape can be arbitrarily under the prerequisite of buckling state mutually keeping for described bending edges 3 and crimp 4; After but the structure of described axial compression was meant and fastens mutually between link 2 and bending edges 3 each flanging, its profile made things convenient for tool using both direction extruding from the left and right sides.

The making step of this structure: one; Four jiaos of ventilation duct 1 port are cut off by equal length; After the rabbet shaping,, guarantee between ventilation duct 1 surface and first flanging 6, between first flanging 6 and second flanging 7, be right angle and smooth between second flanging 7 and the 3rd flanging 8 with mould control.Two, link 2 both sides are controlled with mould, guarantee between its surface and the Fourth Fold 9, between Fourth Fold 9 and the 5th flanging 10, be right angle and smooth between the 5th flanging 10 and the 6th flanging 11.Three, the flanging forward surface of two ventilation ducts 1 is right, insert link 2 from a side in the flanging of ventilation duct 1, with the electric tool that has special-purpose roller the flanging between link 2 and the ventilation duct 1 is pushed interlock.Four, again the slit of 1 four jiaos of ventilation ducts is sticked with glue or the adhesive plaster mode seals, guarantee the sealing of whole piece pipeline.

Claims

1. a ventilation duct port linkage structure is characterized in that: comprise two ports ventilation duct (1) and four links (2) in opposite directions; Four limits that said ventilation duct (1) is its port of square tube are equipped with outside bending edges (3); Said link (2) both sides are equipped with the crimp (4) that fastens with corresponding bending edges (3), said link (2) and bending edges (3) but the structure of fastening and formation axial compression.

2. ventilation duct port linkage structure according to claim 1; It is characterized in that: the structure of said bending edges (3) is three flangings; Wherein first flanging (6) is by the bending that makes progress of the port of ventilation duct (1); Second flanging (7) is by first flanging (6) bending left, and the 3rd flanging (8) is by second flanging (7) bending downwards, and the length of said the 3rd flanging (8) is less than first flanging (6); The structure of the crimp (4) in said link (2) left side is three flangings; Wherein Fourth Fold (9) is by the downward bending in left side of link (2); The 5th flanging (10) is by Fourth Fold (9) bending to the right; The 6th flanging (11) is by upwards bending of the 5th flanging (10), and the length of said the 6th flanging (11) is less than Fourth Fold (9); Said Fourth Fold (9), the 5th flanging (10) and the 6th flanging (11) wrap up the 3rd flanging (8); Between said ventilation duct (1) port and first flanging (6) and the angle between link (2) matrix face and the Fourth Fold (9) be the right angle, the angle that forms flanging in said bending edges (3) and the crimp (4) is the right angle.