CN102182884A - Central air-conditioning ventilation duct and preparation method thereof - Google Patents
Central air-conditioning ventilation duct and preparation method thereof Download PDFInfo
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- CN102182884A CN102182884A CN 201110052490 CN201110052490A CN102182884A CN 102182884 A CN102182884 A CN 102182884A CN 201110052490 CN201110052490 CN 201110052490 CN 201110052490 A CN201110052490 A CN 201110052490A CN 102182884 A CN102182884 A CN 102182884A
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Abstract
The invention relates to a ventilation equipment duct, in particular to a central air-conditioning ventilation duct and a preparation method thereof. The central air-conditioning ventilation duct is assembled by more than one section of galvanized steel wind tube; the duct further comprises a first bordure and corner connections; the wind tube takes the shape of a rectangular barrel and is composed of two right angle-shaped wind tube members and the first bordure; the joint side of the long edge of one wind tube member and the short edge of the other wind tube member is wrapped by the first bordure; the wind tube members are provided with ribbings; a wind tube edgefold is further arranged on the right-angle edge of each wind tube member; a first groove is formed on the wind tube edgefold; each corner connection is bent type galvanized steel with a second groove at the periphery, and two sides of the bent angle of each corner connection are in 90 degrees; the corner connections are respectively connected to four corners of the wind tube; reverse sides of the second groove and the first groove form a protruded occlusion; round holes are formed in the bent parts of the corner connections; a seal stripe is embedded in the first grooves of two adjacent wind tubes; and the round holes in the corner connections of the two adjacent wind tubes are communicated with each other and fixed by using bolts. The prepared central air-conditioning ventilation duct can prevent wind from leaking and has high intensity and low cost.
Description
Technical field
The present invention relates to the ventilation equipment pipeline, relate in particular to central air-conditioner ventilation duct and preparation method thereof.
Background technique
Generally be provided with central air-conditioner in hotel, commercial building and the building, cold wind or hot blast that air conditioner produces are sent in each room by ventilation duct.
Existing central air-conditioner ventilation duct has spliced and plug-in type.The ventilation duct of spliced composition generally need use conventional flange of selling or flange plate connection on the market, buys the preparation cost that flange or flange plate have increased the central air-conditioner ventilation duct; Except that conventional flange, emerging ventilation duct connection set is also arranged, as CN200920148743.8, yet this device still needs to use special material to prepare baroque flange and link thereof; The ventilation duct of plug-in type is generally pegged graft by the pipeline of different-diameter size and is formed, and perhaps forms by using other grafting cover to peg graft, and sees CN00244963.3, and the shortcoming of the ventilation duct of this structure is that sealing is poor, ventilative easily.
The material of preparation central air-conditioner ventilation duct has tin plate, stainless steel materials or anticorrosive paint steel usually, and the cost of stainless steel materials or anticorrosive paint steel is higher.Tin plate is a kind of mild-steel sheet of coating surface zinc, also can be described as galvanized steel, and the thickness that is used to prepare the tin plate of central air-conditioner ventilation duct is generally 0.5-1.2mm, and thickness is little, and material is soft, and intensity is low.
Summary of the invention
One of purpose of the present invention provides and a kind ofly prevents to let in air, intensity height, central air-conditioner ventilation duct that cost is low.
Two of purpose of the present invention provides a kind of preparation method of described central air-conditioner ventilation duct.
First technical purpose of the present invention is achieved by the following technical programs:
A kind of central air-conditioner ventilation duct is assembled by the above galvanized steel air duct of a joint, and it is characterized in that: described central air-conditioner ventilation duct also comprises first bound edge and angle sign indicating number;
Described air duct is the rectangle tubular and is made up of the air duct member and first bound edge of two rectangular shapes, there is first bound edge on the long limit of described air duct member with the inclusion of edge fit mutually of the minor face of another described air duct member, on the described air duct member beading is arranged, also have the air duct flanging on the right angle side of described air duct member, on the described air duct flanging first groove is arranged;
Described angle sign indicating number has the bent angle type galvanized steel of second groove for periphery, two bent angle limits of described angle sign indicating number are 90 degree, described angle sign indicating number is plugged on four jiaos of described air duct respectively, the projection interlock that the reverse side of described second groove and described first groove forms, the corner of described angle sign indicating number has circular hole;
Be embedded with the Stamping Steel Ribbon that thickness is the double thickness of described first groove on first groove of adjacent two described air ducts jointly, the circular hole on the angle sign indicating number of adjacent two described air ducts communicates and passes through bolt.
Advantage of the present invention has: the first, and described air duct member, first bound edge and angle sign indicating number are the galvanized steel material, and cost is lower, and described first bound edge and angle sign indicating number are that remaining leftover pieces are prepared from the preparation of air duct member, have further reduced cost; The second, described air duct is provided with beading, and original softer strength of materials is increased; The 3rd, have the air duct flanging on the described air duct member, after forming air duct, increased the axial strength of air duct, and first groove on the described air duct flanging is convenient to be connected with adjacent air duct by Stamping Steel Ribbon, can increase the sealing of central air-conditioner ventilation duct, is difficult for ventilative; The 4th, described second groove is fitted on the projection on the described first groove opposite naturally, is used to connect and four jiaos of fixing described air duct, uses and handy and safe when installing; The 5th, after described first groove embeds certain thickness Stamping Steel Ribbon, adjacent air duct tight closure, soundness is good, and is positioned at same plane with the angle sign indicating number, has reduced the stressed of angle sign indicating number, has increased the reliability of sealing.
A kind of preferred as technical solution of the present invention, the edge of described air duct flanging is first crimping of hook solid.
The effect of first crimping on the air duct flanging of air duct of the present invention mainly contains 3 points, and the one, be used to seal the described angle of inclusion sign indicating number; The 2nd, the intensity of the air duct behind described angle sign indicating number and the air duct member inclusion is increased; The 3rd, because the thickness of described air duct flanging is little, the edge of air duct flanging is sharper, hinders hand man-hour easily adding, and described first crimping is made at the edge of air duct flanging, operator are added avoid man-hour directly and the EDGE CONTACT of described air duct flanging, safety during making is difficult for hindering hand.
A kind of preferred as technical solution of the present invention, the air duct flanging of two adjacent described air ducts is jointly by the second bound edge inclusion.
With the air duct flanging of two adjacent described air ducts of the common inclusion of second bound edge, air duct flanging sealing is increased, and then the stuffy property of air duct is provided.
A kind of preferred as technical solution of the present invention, the length of first bound edge and second bound edge is identical with described length by the inclusion limit.
A kind of preferred as technical solution of the present invention, the edge of described second bound edge is second crimping of hook solid.
A kind of preferred as technical solution of the present invention is coated with thermal insulating material on the described central air-conditioner ventilation duct.
A kind of preferred as technical solution of the present invention, described thermal insulating material is a glass wool.
Second technical purpose of the present invention is achieved by the following technical programs: a kind of preparation method of central air-conditioner ventilation duct may further comprise the steps:
1) preparation of air duct member: with flat galvanized steel beading, bending then forms right angle type, and flanging then strikes out the air duct flanging that has first groove on the right angle side of the galvanized steel of right angle type, form described air duct member;
2) preparation of angle sign indicating number: will prepare the unnecessary material punching press of described air duct member, and form the bent angle type galvanized steel that periphery has second groove, two bent angle limits of described bent angle type galvanized steel are 90 degree, and the corner has circular hole, forms described angle sign indicating number;
3) preparation of bound edge: will prepare the unnecessary material punching press of described air duct member, and form the bound edge of L type or U type;
4) preparation of central air-conditioner ventilation duct:,, form air duct then with the long limit of the described air duct member of the first bound edge inclusion and the edge fit mutually of the minor face of another described air duct member with two described air duct component compositions; Be plugged on four jiaos of described air duct with described angle sign indicating number then; Get the Stamping Steel Ribbon that thickness is the double thickness of described first groove again, embed and seal first groove of adjacent two described air ducts simultaneously, the circular hole on the angle sign indicating number of adjacent two described air ducts communicates and passes through bolt.
A kind of preferred as technical solution of the present invention, the edge of described air duct flanging is first crimping of hook solid.
A kind of preferred as technical solution of the present invention, the air duct flanging of two adjacent described air ducts is jointly by the second bound edge inclusion.
In sum, the present invention has following beneficial effect:
1. described air duct member, first bound edge and angle sign indicating number are the galvanized steel material, and cost is lower, and described first bound edge and angle sign indicating number are that remaining leftover pieces are prepared from the preparation of air duct member, have further reduced cost;
2. described air duct is provided with beading, and original softer strength of materials is increased;
3. have the air duct flanging on the described air duct member, after forming air duct, increased the axial strength of air duct, and first groove on the described air duct flanging is convenient to be connected with adjacent air duct by Stamping Steel Ribbon, can increase the sealing of central air-conditioner ventilation duct, be difficult for ventilative;
4. described second groove is fitted on the projection on the described first groove opposite naturally, is used to connect and four jiaos of fixing described air duct, uses and handy and safe when installing;
5. after described first groove embeds certain thickness Stamping Steel Ribbon, adjacent air duct tight closure, soundness is good, and is positioned at same plane with the angle sign indicating number, has reduced the stressed of angle sign indicating number, has increased the reliability of sealing.
Description of drawings
Fig. 1 is that air duct member of the present invention and angle sign indicating number are used schematic representation.
Fig. 2 is the air duct schematic representation that is plugged with the angle sign indicating number of the present invention.
Fig. 3 is that big schematic representation is piled up at angle of the present invention.
Fig. 4 is the enlarged diagram of the air duct flanging of A part shown in Figure 1.
Fig. 5 is an air duct connection diagram of the present invention.
Fig. 6 is the second bound edge schematic representation of the present invention.
Among the figure, the 1-air duct; 2-first bound edge; 3-angle sign indicating number; The 4-beading; 5-air duct flanging; 6-first groove; 7-second groove; The 8-circular hole; 9-first crimping; 10-second bound edge; 11-air duct member; 12-second crimping.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
As shown in Figure 1 and Figure 4, air duct member 11 is the rectangular shape galvanized steel plain sheet, and beading 4 is arranged on it, also has air duct flanging 5 on the right angle side of air duct member 11, and first groove 6 shown in Figure 4 is arranged on the air duct flanging 5.
The preparation method of air duct member 11 is: with flat galvanized steel beading, bending then forms right angle type, and flanging then strikes out the air duct flanging 5 that has first groove 6 on the right angle side of the galvanized steel of right angle type, form described air duct member 11.
For further that angle sign indicating number 3 and air duct flanging 5 is fixing, make intensity increase, the safety of air duct 1 safer simultaneously, make first crimping 9 of hook solid at the edge of air duct flanging 5.
As shown in Figure 3, angle sign indicating number 3 is the peripheral bent angle type galvanized steel that has second groove 7, and two bent angle limits of angle sign indicating number 3 are 90 degree, angle sign indicating number 3 is plugged on four jiaos of air duct 1 respectively, as shown in Figure 2, the projection interlock that the reverse side of second groove 7 and first groove 6 forms, the corner of angle sign indicating number 3 has circular hole 8.
With the unnecessary material punching press of the described air duct member of preparation, form the bound edge of L type or U type.
Embedding thickness on first groove 6 of adjacent two air ducts is the Stamping Steel Ribbon of the double thickness of first groove 6, and the circular hole 8 on the angle sign indicating number of adjacent two air ducts 1 communicates and by bolt, sees Fig. 5.For air duct flanging 5 sealings are increased, and then provide the stuffy property of air duct 1, with the air duct flanging 5 of two adjacent described air ducts 1 of second bound edge, 10 common inclusions.
For making the better tightness of central air-conditioner ventilation duct, first bound edge 2 is identical by the length on inclusion limit separately with it with the length of second bound edge 10, and the edge of second bound edge 10 is second crimping 12 of hook solid, sees Fig. 6.
In order to improve the heat insulating ability of central air-conditioner ventilation duct, on the central air-conditioner ventilation duct, coat thermal insulating materials such as glass wool, asbestos or rubber-plastics material.
This specific embodiment only is an explanation of the invention; it is not a limitation of the present invention; those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this specification, but as long as all are subjected to the protection of Patent Law in claim scope of the present invention.
Claims (10)
1. a central air-conditioner ventilation duct is assembled by an above galvanized steel air duct of joint (1), and it is characterized in that: described central air-conditioner ventilation duct also comprises first bound edge (2) and angle sign indicating number (3);
Described air duct (1) is the rectangle tubular and is made up of the air duct member (11) and first bound edge (2) of two rectangular shapes, there is first bound edge (2) on the long limit of described air duct member (11) with the inclusion of edge fit mutually of the minor face of another described air duct member (11), beading (4) is arranged on the described air duct member (11), also have air duct flanging (5) on the right angle side of described air duct member (11), first groove (6) is arranged on the described air duct flanging (5);
Described angle sign indicating number (3) has the bent angle type galvanized steel of second groove (7) for periphery, two bent angle limits of described angle sign indicating number (3) are 90 degree, described angle sign indicating number (3) is plugged on four jiaos of described air duct respectively, the projection interlock that the reverse side of described second groove (7) and described first groove (6) forms, the corner of described angle sign indicating number (3) has circular hole (8);
Be embedded with the Stamping Steel Ribbon that thickness is the double thickness of described first groove (6) on first groove (6) of adjacent two described air ducts jointly, the circular hole (8) on the angle sign indicating number (3) of adjacent two described air ducts communicates and passes through bolt.
2. a kind of central air-conditioner ventilation duct according to claim 1 is characterized in that: the edge of described air duct flanging (5) is first crimping of hook solid.
3. a kind of central air-conditioner ventilation duct according to claim 1 and 2, the air duct flanging (5) of two adjacent described air ducts are jointly by second bound edge (10) inclusion.
4. a kind of central air-conditioner ventilation duct according to claim 3, the length of described first bound edge (2) and second bound edge (10) is identical with described length by the inclusion limit.
5. a kind of central air-conditioner ventilation duct according to claim 4, described first bound edge (2) is second crimping (9) of hook solid with the edge of second bound edge (10).
6. a kind of central air-conditioner ventilation duct according to claim 1 is coated with thermal insulating material on the described central air-conditioner ventilation duct.
7. a kind of central air-conditioner ventilation duct according to claim 6, described thermal insulating material is a glass wool.
8. the preparation method of a kind of central air-conditioner ventilation duct according to claim 1 may further comprise the steps:
1) preparation of air duct member (11): with flat galvanized steel beading (4), bending then forms right angle type, flanging then, on the right angle side of the galvanized steel of right angle type, strike out the air duct flanging (5) that has first groove (6), form described air duct member (11);
2) preparation of angle sign indicating number (3): will prepare the unnecessary material punching press of described air duct member (11), form the bent angle type galvanized steel that periphery has second groove (7), two bent angle limits of described bent angle type galvanized steel are 90 degree, and the corner has circular hole (8), form described angle sign indicating number (3);
3) preparation of bound edge: will prepare the unnecessary material punching press of described air duct member (11), and form the bound edge of L type or U type;
4) preparation of central air-conditioner ventilation duct: with two described air duct members (11) combination, use the long limit of first bound edge (2) the described air duct member of inclusion (11) and the edge fit mutually of the minor face of another described air duct member (11) then, form air duct; Use described angle sign indicating number (3) to be plugged on four jiaos of described air duct then; Getting thickness again is the Stamping Steel Ribbon of the double thickness of described first groove (6), embeds and seal first groove (6) of adjacent two described air ducts simultaneously, and the circular hole (8) on the angle sign indicating number (3) of adjacent two described air ducts communicates and passes through bolt.
9. the preparation method of a kind of central air-conditioner ventilation duct according to claim 8 is characterized in that: the edge of described air duct flanging (5) is first crimping of hook solid.
10. the preparation method of a kind of central air-conditioner ventilation duct according to claim 8 is characterized in that: the air duct flanging (5) of adjacent two described air ducts (1) is jointly by second bound edge (10) inclusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110052490 CN102182884A (en) | 2011-03-04 | 2011-03-04 | Central air-conditioning ventilation duct and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110052490 CN102182884A (en) | 2011-03-04 | 2011-03-04 | Central air-conditioning ventilation duct and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102182884A true CN102182884A (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110052490 Pending CN102182884A (en) | 2011-03-04 | 2011-03-04 | Central air-conditioning ventilation duct and preparation method thereof |
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| CN (1) | CN102182884A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691880A (en) * | 2012-06-15 | 2012-09-26 | 罗兆祥 | Sectional material for manufacturing inlet and outlet flanges of cabinet fan |
| CN103015683A (en) * | 2012-12-12 | 2013-04-03 | 姚景祥 | Smoke exhausting and air changing pipe |
| CN105546226A (en) * | 2016-02-29 | 2016-05-04 | 陈倍建 | Assembled type ventilation pipeline and main body coaming and connector pipe coaming thereof |
| CN107228093A (en) * | 2017-07-31 | 2017-10-03 | 上海艾客制冷科技有限公司 | Assembly type fan air drum |
| CN112008374A (en) * | 2020-07-21 | 2020-12-01 | 重庆工程职业技术学院 | Flange installation module and fire-fighting air duct production line thereof |
| CN112303349A (en) * | 2020-09-28 | 2021-02-02 | 中建二局安装工程有限公司 | Large-section assembled air pipe for stadium roof and installation method |
| CN112743295A (en) * | 2020-12-17 | 2021-05-04 | 广州市机电安装有限公司 | Mechanized manufacturing method of air pipe and angle steel flange |
| CN114535344A (en) * | 2021-12-28 | 2022-05-27 | 深圳市晓风科建工程有限公司 | Steel coil-based whole air duct forming method and air exhaust system |
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2011
- 2011-03-04 CN CN 201110052490 patent/CN102182884A/en active Pending
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| CN2068633U (en) * | 1990-05-25 | 1991-01-02 | 王克昌 | Air-duct without flange connection |
| JP2000053160A (en) * | 1998-08-06 | 2000-02-22 | Mitsubishi Electric Corp | Indoor machine for air conditioner |
| CN201311034Y (en) * | 2008-09-04 | 2009-09-16 | 欧文斯科宁知识产权资产有限公司 | Ventilation duct, plates, pipe section and connector for making pipe section |
| CN201964050U (en) * | 2011-03-04 | 2011-09-07 | 华煜建设集团有限公司 | Ventilating pipe of central air-conditioner |
Non-Patent Citations (1)
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| 《供热制冷》 20030630 王锋 风管无法兰连接技术在通风空调工程中的应用 , * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691880A (en) * | 2012-06-15 | 2012-09-26 | 罗兆祥 | Sectional material for manufacturing inlet and outlet flanges of cabinet fan |
| CN103015683A (en) * | 2012-12-12 | 2013-04-03 | 姚景祥 | Smoke exhausting and air changing pipe |
| CN105546226A (en) * | 2016-02-29 | 2016-05-04 | 陈倍建 | Assembled type ventilation pipeline and main body coaming and connector pipe coaming thereof |
| CN105546226B (en) * | 2016-02-29 | 2019-01-15 | 陈倍建 | A kind of main body coaming plate in assembling ventilating duct road, mouthpiece coaming plate and ventilation shaft |
| CN107228093A (en) * | 2017-07-31 | 2017-10-03 | 上海艾客制冷科技有限公司 | Assembly type fan air drum |
| CN112008374A (en) * | 2020-07-21 | 2020-12-01 | 重庆工程职业技术学院 | Flange installation module and fire-fighting air duct production line thereof |
| CN112303349A (en) * | 2020-09-28 | 2021-02-02 | 中建二局安装工程有限公司 | Large-section assembled air pipe for stadium roof and installation method |
| CN112743295A (en) * | 2020-12-17 | 2021-05-04 | 广州市机电安装有限公司 | Mechanized manufacturing method of air pipe and angle steel flange |
| CN114535344A (en) * | 2021-12-28 | 2022-05-27 | 深圳市晓风科建工程有限公司 | Steel coil-based whole air duct forming method and air exhaust system |
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Application publication date: 20110914 |