CN103572877A - Installation node of air diffuser on ceiling board and clamp-type installation method - Google Patents

Installation node of air diffuser on ceiling board and clamp-type installation method Download PDF

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Publication number
CN103572877A
CN103572877A CN201310554949.1A CN201310554949A CN103572877A CN 103572877 A CN103572877 A CN 103572877A CN 201310554949 A CN201310554949 A CN 201310554949A CN 103572877 A CN103572877 A CN 103572877A
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China
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diffuser
ceiling board
buckle
point
length
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CN201310554949.1A
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CN103572877B (en
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汪明霞
汪奎
魏爱宁
曹凤新
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Third Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
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Third Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
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Abstract

The invention discloses an installation node of an air diffuser on a ceiling board and a clamp-type installation method. The installation node comprises the air diffuser, the ceiling board and a buckle clamped between the air diffuser and the ceiling board, the shape of the buckle is determined according to the gradient direction of the neck portion of the air diffuser and vanes of the air diffuser, the standard of the buckle is determined according to the standard of the air diffuser, and the air diffuser is installed on the ceiling board in a clamped mode through the buckle. The installation method comprises the steps of manufacturing the buckle, using the buckle to fix the air diffuser and the ceiling board, leveling the exterior facing of the air diffuser and the plane of the ceiling board, connecting the air diffuser and an air duct system and the like. The self-made buckle is adopted to tightly combine the air diffuser and the ceiling board together, the air diffuser and the ceiling board are combined in a smooth and seamless mode, the cost is low, the efficiency is high, operation is convenient, the phenomenon of open joints between an air duct and the ceiling board is avoided, meanwhile the problem that the air diffuser has to be adjusted along with the adjustment of a ceiling joist is solved, and the air diffuser is installed rapidly and easily.

Description

Installation node and the cassette mounting method of diffuser on ceiling board
Technical field
The present invention relates to the mounting technique field of air-conditioning system end equipment, particularly relate to installation node and the cassette mounting method of diffuser on ceiling board.
Background technology
It is one of important procedure in ventilation professional construction operation that ventilation system diffuser is installed, and is the important work items of heating ventilation and air-conditioning acceptance on examination comparation and assessment.Diffuser is the parts that are exposed to architectural surface, and it installs the quality that effect is directly connected to engineering, be workmanship intuitively comment card.The effect that diffuser is installed is mainly reflected in fixing, the diffuser of diffuser neck and the bonding crack of ceiling board, the planeness of diffuser and squareness etc.Job practices is in the past mainly to adopt additional keel to fix diffuser, in this kind of real work of mounting method, the gap of diffuser limit and ceiling board is difficult to process, once channel adjustment, diffuser just must be adjusted thereupon, and can not avoid the gap phenomenon between diffuser and ceiling board, in the time of wasting manpower and material resources, workmanship can not well be ensured.
Summary of the invention
The invention provides installation node and the cassette mounting method of diffuser on ceiling board, object is to solve the gap phenomenon of diffuser and ceiling board in existing diffuser mounting technique, solve along with the adjustment diffuser of channel must be adjusted, wasting manpower and material resources but also can not guarantee the problem of workmanship not only thereupon simultaneously, make the installation of diffuser become simple fast.
For achieving the above object, the specific embodiments that the present invention adopts is as follows:
The installation node of a kind of diffuser on ceiling board, comprise diffuser, ceiling board and be stuck in diffuser and ceiling board between buckle, it is characterized in that: described buckle is the U-shaped sheet metal being stuck between diffuser and ceiling board, the width of described U-shaped sheet metal is 30～50mm, the length of its two arm is not etc., the length of galianconism is put a with edge in the same vertical section of diffuser to be installed time and is equated with the distance between lower edgeline point c, and long-armed length equals the distance between the same vertical section of diffuser Nei outer point b and upper crest line point d; Described long-armed afterbody has the kink of an outward; The bottom of described buckle is stuck in the neck groove between the upper and lower rib of diffuser, and the length of bottom and the groove width of neck groove adapt, and galianconism is stuck in the inferior outer groove of diffuser, and the bending angle of described kink makes it just can be stuck in edge in ceiling board; Described galianconism and long-armed between by centre position bolt and the hold-down nut of long-armed lateral surface link together; The interposition of described bottom is equipped with diffuser and buckle self-tapping screw that link together, that play fixation.
Described sheet metal is galvanized steel plain sheet or sufficiently long galvanized steel plain sheet leftover pieces.
The length of described kink is 30～50mm.
Angle between described long-armed and galianconism is 90 °～150 °.
The cassette mounting method of the diffuser that the above-mentioned installation node of profit carries out on ceiling board, is characterized in that: installation process comprises following operating procedure:
Step 1, making buckle: according to the size of each thin portion of diffuser, cut and bend sheet metal, and self-tapping screw and bolt are installed on sheet metal;
Step 2, with buckle fixedly diffuser and ceiling board; Diffuser is placed in to the diffuser reserved opening on ceiling board, by the bottom of buckle, galianconism and long-armed being stuck on diffuser, tightening self-tapping screw fixes buckle and diffuser, tighten hold-down nut simultaneously, adopt this fixing means, with at least four buckles fixedly diffuser and ceiling board, fastening;
Step 3, levelling diffuser outside finish and ceiling board plane: adjust the outside finish plane of ceiling board plane and diffuser, make it at grade, regulate also fastening self-tapping screw and hold-down nut, make between diffuser and furred ceiling version plate face smooth seamless;
Step 4, diffuser is connected with air-line system: the diffuser with ceiling board is arranged on main joist of suspended ceiling, adjust diffuser place furred ceiling face and other furred ceiling faces, make it in same level, between the neck of diffuser and air-line system, be flexible coupling, junction seals with environmental protection type sealing adhesive.
The concrete operation step that described step 1 is made buckle is:
Step 1, measure each thin portion size of diffuser to be installed: in the same vertical section of diffuser, the central point o of mark outside finish, inferior interior along some a and outer point b, mark upper crest line point d and the lower edgeline point c of neck simultaneously, with tape measure, measure the length of line segment oa, ac, cd and db, the length of institute's profile section is performed to record;
Step 2, cut sheet metal: metallic sheet material is cut into width and line segment cd sheet metal equal in length, along sheet metal length direction, mark successively an A, C, D, B, E and F point, make the length between each point meet AC=ac, CD=cd, DB=bd, the length range of BE and EF is 20～30mm;
Step 3, bending sheet metal: some point C, the D on sheet metal, B and E place, broad ways bends respectively, its mid point C is identical with the overbending direction at D place, the overbending direction at some B and E place is contrary with C and D, make the equal and opposite in direction of the ∠ acd on ∠ ACD and diffuser, the angular range of ∠ CDB is 90～150 °, AC section after bending is galianconism, CD section is bottom, DB section is long-armed, BF section is kink, the excessive arch section that wherein BE section is kink, and the length of described kink and bending radian meet be able to prop up edge in ceiling board;
Step 4, self-tapping screw and bolt are installed: in the centre of the bottom of buckle, open the screw preformed hole that a diameter and stand-by self-tapping screw adapt, long-armed and galianconism are combined, with punching tool, on the centre position of two card arms, make a call to the bolt preformed hole that a diameter and stand-by bolt adapt, separate long-armed and galianconism, bolt is installed to hold-down nut through the lateral surface at galianconism after two corresponding bolt preformed holes.
Fixedly the concrete operation step of diffuser and ceiling board is as follows with buckle for described step 2:
Step 1, reserved opening is set on ceiling board: by method of geometry, find out the ceiling board central point corresponding with diffuser central point o, and centered by this puts, measure with diffuser outside finish on time in surround the equal-sized region of region shape along the line, and with this region contour of pencil mark, use cutting tool carefully to cut along the outline line of mark, obtain diffuser reserved opening;
Step 2, with buckle fixedly diffuser and ceiling board: the neck of diffuser is through after diffuser reserved opening, diffuser neck is placed on smooth operating platform upward, when keeping diffuser stable, the minor face end of buckle is against in the inferior outer groove on diffuser outside finish, the bottom of buckle is imbedded in the neck groove between the upper and lower rib of diffuser neck, the kink of the long-armed end of buckle props up edge in diffuser reserved opening ceiling board around, with self-tapping screw, through screw preformed hole, buckle and diffuser are fixed, simultaneously the hold-down nut of tightening card facies lateralis brachii;
Step 3, according to the fixing means in above-mentioned steps two, at least four buckles at diffuser, contact with ceiling board one week are evenly installed.
In described step 3, the concrete operation step of levelling diffuser outside finish and ceiling board plane is as follows:
Step 1, making levelling working platform: get the square dental stone plate that a size is greater than ceiling board, require plate face smooth smooth, by method of geometry, determine after the central point of gypsum plank plate face, take central point as benchmark, cut that shape is identical with diffuser reserved opening, the length of side or diameter be than the region with the large 5～10mm of diffuser reserved opening, the table top that the gypsum plank face after cutting is working platform; With a well cabinet frame of angle steel welding, table top lies on well cabinet frame, then adopts level gauge to carry out levelling to table top, and after well cabinet frame and table top are fixed, levelling working platform completes;
Step 2, the levelling of diffuser outside finish and ceiling board plane: the diffuser being fixed together with ceiling board is put in the opening at levelling working platform center, now, the neck of diffuser down, more than the outside finish of ceiling board and diffuser is all exposed at the table top of levelling working platform, self-tapping screw on buckle below table top and hold-down nut are unscrewed, adjust the outside finish plane of ceiling board plane and diffuser, until its at grade after, fixing self-tapping screw, hold-down nut is tightened simultaneously, now diffuser outside finish and ceiling board plane prohibit solid together with and smooth seamless.
Described diffuser is square diffuser or circular diffuser.
The described stroke being flexible coupling is 30～70mm.
Compared with prior art, advantage of the present invention is: made a kind of buckle, solve the gap phenomenon of diffuser and ceiling board in existing diffuser mounting technique, solve simultaneously with the adjustment diffuser of channel must adjust thereupon, workmanship unwarrantable problem still when wasting manpower and material resources, make the installation of diffuser become simple fast.This kind of method cost is low, and efficiency of construction is high, safe and reliable, and advanced technology has Social benefit and economic benefit, has prospect for promotion and application.
Accompanying drawing explanation
Fig. 1 is the structural representation of the buckle in the present invention;
Fig. 2 is the operational flowchart of diffuser of the present invention cassette mounting method on ceiling board;
Fig. 3 is the structural representation of diffuser in the present invention;
Fig. 4 is the schematic diagram of gauge point on sheet metal while making buckle in the present invention;
Fig. 5 is the embodiment of the present invention 1 coordinates the ceiling board of installing structural representation with square diffuser;
Fig. 6 is the embodiment of the present invention 2 coordinates the ceiling board of installing structural representation with circular diffuser;
Fig. 7 is the present invention with the fixing schematic diagram of diffuser and ceiling board of buckle;
Fig. 8 is mounted diffuser and main joist of suspended ceiling and air-line system connection diagram in the present invention.
Reference numeral: a-time interior along point, the outer of b-point, c-lower edgeline point, the upper crest line point of d-, o-diffuser central point, 1-diffuser, 1.1-outside finish, 1.1.1-inferior outer groove, 1.2-neck, 1.2.1-neck groove, 2-ceiling board, 2.1-diffuser reserved opening, 2.1.1-square diffuser reserved opening, 2.1.2-circular diffuser reserved opening, edge in 2.2-ceiling board, 3-buckle, 3.1-galianconism, 3.2-long-armed, 3.3-bottom, 3.4-kink, 3.5-bolt preformed hole, 3.6-bolt, 3.7-hold-down nut, 3.8-screw preformed hole, 3.9-self-tapping screw, 4-airduct is soft to be connect, the main branch wind pipe of 5-.
The specific embodiment
Referring to accompanying drawing 1, the invention provides the installation node of a kind of diffuser on ceiling board, comprise diffuser, ceiling board and be stuck in diffuser and ceiling board between buckle, buckle adopts thick galvanized steel plain sheet or the galvanized steel plain sheet leftover pieces of 1.0～2.0mm to be made, according to diffuser shape, the gradient bends and forms U-shaped buckle, its shape is determined according to diffuser neck and diffuser blade gradient direction, its buckle specification is determined according to diffuser specification, described buckle 3 is that width is uniform, the U-shaped sheet metal that two arm lengths do not wait, the bottom 3.3 of described U-shaped sheet metal is stuck in the neck groove 1.2.1 between rib up and down of diffuser, galianconism 3.1 is stuck in the inferior outer groove 1.1.1 of diffuser, long-armed 3.2 block in the ceiling board of diffuser along 2.2, angle between long-armed and galianconism is 90 °～135 °, the length of described galianconism 3.1 with on outside finish 1.1 in the same vertical section of diffuser to be installed time in along the distance between the lower edgeline point c of some a and neck 1.2, equate, long-armed 3.2 length equals the outer point b on outside finish 1.1 and the distance between the upper crest line point d of neck 1.2 in the same vertical section of diffuser, described long-armed 3.2 afterbody has the kink 3.4 that plays fixation of an outward, the length of described kink 3.4 is 30～50mm, and bending angle can be stuck in ceiling board just along 2.2, on two arm centre positions, have the bolt preformed hole 3.5 that diameter and stand-by bolt 3.6 adapt, bolt 3.6 is fixedly connected with two arms through the hold-down nut 3.7 by long-armed 3.2 lateral surfaces after two bolt preformed holes 3.5, the groove width of neck groove 1.2.1 between the length of the width of described buckle 3 and bottom 3.3 and the upper lower edgeline of diffuser neck 1.2 adapts, the centre position of described bottom 3.3 has the screw preformed hole 3.8 that a size and stand-by self-tapping screw 3.9 adapt.
Referring to accompanying drawing 2～8, a kind of diffuser is cassette mounting method on ceiling board, it is characterized in that: its concrete operation step comprise make buckle 3, with buckle 3 fixedly diffuser 1 and ceiling board 2, levelling diffuser outside finish 1.2 and ceiling board plane, be connected diffuser 1 and airduct is soft connects 4 etc., the concrete operation step of wherein making buckle 3 is:
Step 1, measurement diffuser 1 each thin portion size: in the same vertical section of diffuser 1, mark the bottom surface of diffuser 1 to be installed central point, inferiorly interiorly along point and outer point, be respectively an o, some a and some b, point on the upper and lower crest line of neck is respectively a d and puts c, with tape measure, measure the length of line segment oa, ac, cd and db, if line segment oa length is L, the length of institute's profile section is performed to record;
Step 2, preparation sheet metal: with galvanized steel plain sheet or sufficiently long galvanized steel plain sheet leftover pieces, be raw material, being cut into wide is the sheet metal of 30～50 mm, along sheet metal length direction, mark successively an A, C, D, B, E and F point, make the length between each point meet AC=ac, CD=cd, DB=bd, BE=20mm, EF=20mm;
Step 3, bending sheet metal: the some point C on sheet metal, D, B and E place, broad ways bends respectively, its mid point C is identical with the overbending direction at D place, the overbending direction at some B and E place is contrary with C and D, make the equal and opposite in direction of the ∠ acd on ∠ ACD and diffuser, the angular range of ∠ CDB is 90～150 °, AC section after bending is galianconism 3.1, CD section is bottom 3.3, DB section is long-armed 3.2, BF section is kink 3.4, wherein BE section is the excessive arch section of kink 3.4, the length of described kink 3.4 meets and be able to prop up in ceiling board along 2.2 with bending radian,
Step 4, installation self-tapping screw 3.9 and bolt 3.6: the screw preformed hole 3.8 of playing a self-tapping screw in the centre of CD section, diameter and 4 * 10mm self-tapping screw 3.9 adapt, in the DE section position corresponding with the centre of AC section, each makes a call to a bolt preformed hole 3.5, diameter all adapts with the bolt 3.6 of 30 * 4mm, with the bolt of M6, length 40～60 mm, through the lateral surface in DE section after two bolt preformed holes, hold-down nut 3.7 is installed;
With buckle 3, fixedly diffuser 1 is as follows with the step of ceiling board 2:
Step 1, diffuser reserved opening 2.1 is set on ceiling board 2: by method of geometry, find out central point corresponding with diffuser central point o on ceiling board 2, as center, if the distance of oa section is L on diffuser, measuring the length of side is positive direction region use each limit of pencil mark of 2L, or measure and take border circular areas that L is radius with pencil mark circumference, use cutting tool to cut along four edges or the gained border circular areas of gained square area, obtain diffuser reserved opening 2.1;
Step 2, with buckle 3 fixedly diffuser 1 and ceiling board 2: by diffuser 1 through the diffuser reserved opening 2.1 on ceiling board 2, be placed on smooth operating platform, when keeping diffuser stable, the minor face end of buckle 3 is against in the inferior outer groove 1.1.1 on diffuser outside finish, the bottom of buckle 3.3 is imbedded in the neck groove 1.2.1 between the upper and lower rib of diffuser neck, the kink 3.4 of the long-armed end of buckle props up in diffuser reserved opening 2.1 ceiling board around along 2.2, through screw preformed hole 3.8, buckle 3 is fixing with diffuser 1 with self-tapping screw 3.9, the hold-down nut 3.7 of while tightening card facies lateralis brachii,
Step 3, according to the fixing fixing means of diffuser 1 and ceiling board 2 of buckle 3 in above-mentioned steps two, on the every limit of square diffuser, a buckle 3 is at least installed, at the circumference of circular diffuser, be evenly arranged at least four buckles 3 outward;
The concrete operation step of levelling diffuser outside finish and ceiling board plane is as follows:
Step 1, making levelling working platform: getting a block specifications is the square dental stone plate of 1200 * 1200mm * 10mm, require plate face smooth smooth, by method of geometry, determine after the central point of plate face, take central point as reference point, if the distance of oa section is L on diffuser, cut a square openings that the length of side is 2L+20 mm, form the table top of working platform; 40 * 4mm the angle steel long with 1000mm is welded into a well cabinet frame, and table top is lain on well cabinet frame, adopts level gauge by table top levelling; If circular diffuser, the central point of need to take be take L+10 mm as radius as the center of circle, cut a circular open on gypsum plank face, then operating platform levelling is fixed.
Step 2, the levelling of diffuser outside finish and ceiling board plane: the diffuser being fixed together with buckle 31 and ceiling board 2 are inverted, diffuser neck 1.2 is put in the opening of levelling working platform down, ceiling board 2 is all stuck in above levelling working platform with the outside finish 1.1 of diffuser, self-tapping screw on buckle below table top 3.9 and hold-down nut 3.7 are unscrewed, adjust the outside finish 1.1 of ceiling board plane and diffuser, until its at grade after, fixedly self-tapping screw 3.9, hold-down nut 3.7 is tightened simultaneously, now diffuser outside finish and ceiling board plane prohibit solid together with and smooth seamless.
The diffuser 1 of step 3, connecting band ceiling board 2 connects 4 with airduct is soft, diffuser with ceiling board 22 is fixed also and is arranged on main branch wind pipe 5 after levelling, adjust diffuser place furred ceiling face and other furred ceiling faces, make it in same level, the neck 1.2 of diffuser and airduct is soft is flexible coupling between connecing 4, the stroke being flexible coupling is 30～70mm, and the neck of diffuser 1.2 and airduct be soft to be connect 4 junction and seal with environmental protection type sealing adhesive; Branch wind pipe place will establish suspension bracket 6.

Claims (10)

1. the diffuser installation node on ceiling board, comprise diffuser, ceiling board and be stuck in diffuser and ceiling board between buckle (3), it is characterized in that: described buckle (3) is the U-shaped sheet metal being stuck between diffuser and ceiling board, the width of described U-shaped sheet metal is 30～50mm, the length of its two arm is not etc., the length of galianconism (3.1) equates with the distance between lower edgeline point (c) along point (a) with in the same vertical section of diffuser to be installed time, the length of long-armed (3.2) equals the distance between diffuser same vertical section Nei outer point (b) and upper crest line point (d), the afterbody of described long-armed (3.2) has the kink (3.4) of an outward, the bottom (3.3) of described buckle (3) is stuck in the neck groove (1.2.1) between the upper and lower rib of diffuser, the length of bottom and the groove width of neck groove (1.2.1) adapt, galianconism (3.1) is stuck in the inferior outer groove (1.1.1) of diffuser, and the bending angle of described kink (3.4) can be stuck in ceiling board just along (2.2) it, between described galianconism (3.1) and long-armed (3.2) by centre position bolt (3.6) and the hold-down nut (3.7) of long-armed (3.2) lateral surface link together, the interposition of described bottom (3.3) is equipped with diffuser and buckle self-tapping screw (3.9) that link together, that play fixation.
2. the installation node of a kind of diffuser according to claim 1 on ceiling board, is characterized in that: described sheet metal is galvanized steel plain sheet or sufficiently long galvanized steel plain sheet leftover pieces.
3. the installation node of a kind of diffuser according to claim 1 on ceiling board, is characterized in that: the length of described kink (3.4) is 30～50mm.
4. the installation node of a kind of diffuser according to claim 1 on ceiling board, is characterized in that: the angle between described long-armed (3.2) and galianconism (3.1) is 90 °～150 °.
5. utilize diffuser that the installation node described in claim 1～4 any one the carries out cassette mounting method on ceiling board, it is characterized in that: installation process comprises following operating procedure:
Step 1, making buckle (3): according to the size of each thin portion of diffuser (1), cut and bend sheet metal, and self-tapping screw (3.9) and bolt (3.6) are installed on sheet metal;
Step 2, use buckle (3) be diffuser (1) and ceiling board (2) fixedly; Diffuser (1) is placed in to the diffuser reserved opening (2.1) on ceiling board (2), the bottom of buckle (3.3), galianconism (3.1) and long-armed (3.2) are stuck on diffuser, tighten self-tapping screw buckle (3) and diffuser (1) is fixing, tighten hold-down nut (3.7) simultaneously, adopt this fixing means, with at least four buckles (3) fixedly diffuser (1) and ceiling board (2), fastening;
Step 3, levelling diffuser outside finish and ceiling board plane: the outside finish plane of adjusting ceiling board plane and diffuser, make it at grade, regulate and fastening self-tapping screw (3.9) and hold-down nut (3.7), make between diffuser and furred ceiling version plate face smooth seamless;
Step 4, diffuser (1) is connect to (4) with airduct is soft be connected: the diffuser with ceiling board (2) (1) is arranged on main branch wind pipe (5), adjust diffuser place furred ceiling face and other furred ceiling faces, make it in same level, the neck of diffuser (1.2) and airduct is soft connects between (4) and be flexible coupling, junction seals with environmental protection type sealing adhesive.
6. the cassette mounting method of a kind of diffuser according to claim 5 on ceiling board, is characterized in that: the concrete operation step that described step 1 is made buckle (3) is:
Step 1, measure each thin portion size of diffuser to be installed (1): in the same vertical section of diffuser (1), the central point (o) of mark outside finish (1.1), inferior in along point (a) and outer point (b), mark upper crest line point (d) and the lower edgeline point (c) of neck (1.2) simultaneously, with tape measure, measure the length of line segment oa, ac, cd and db, the length of institute's profile section is performed to record;
Step 2, cut sheet metal: metallic sheet material is cut into the sheet metal that width is 20～30mm, along sheet metal length direction, mark successively an A, C, D, B, E and F point, make the length between each point meet AC=ac, CD=cd, DB=bd, the length range of BE and EF is 20～30mm;
Step 3, bending sheet metal: the some point C on sheet metal, D, B and E place, broad ways bends respectively, its mid point C is identical with the overbending direction at D place, the overbending direction at some B and E place is contrary with C and D, make the equal and opposite in direction of the ∠ acd on ∠ ACD and diffuser, the angular range of ∠ CDB is 90～150 °, AC section after bending is galianconism (3.1), CD section is bottom (3.3), DB section is long-armed (3.2), BF section is kink (3.4), wherein BE section is the excessive arch section of kink (3.4), the length of described kink (3.4) and bending radian meet be able to prop up edge (2.2) in ceiling board,
Step 4, self-tapping screw (3.9) and bolt (3.6) are installed: in the centre of the bottom (3.3) of buckle, open the screw preformed hole (3.8) that a diameter and stand-by self-tapping screw (3.9) adapt, long-armed (3.2) and galianconism (3.1) are combined, with punching tool, on the centre position of two card arms, make a call to the bolt preformed hole (3.5) that a diameter and stand-by bolt (3.6) adapt, separately long-armed (3.2) and galianconism (3.1), bolt (3.6) is installed to hold-down nut (3.7) through the lateral surface at galianconism after corresponding two bolt preformed holes (3.5).
7. the cassette mounting method of a kind of diffuser according to claim 5 on ceiling board, is characterized in that: described for step 2 buckle (3) fixedly diffuser (1) is as follows with the concrete operation step of ceiling board (2):
Step 1, reserved opening is set on ceiling board (2): by method of geometry, find out the ceiling board central point corresponding with diffuser central point (o), and centered by this puts, measure with diffuser outside finish on time in surround the equal-sized region of region shape along the line, and with this region contour of pencil mark, use cutting tool carefully to cut along the outline line of mark, obtain diffuser reserved opening (2.1);
Step 2, with buckle (3) fixedly diffuser (1) and ceiling board (2): the neck of diffuser is through after diffuser reserved opening (2.1), diffuser neck is placed on smooth operating platform upward, when keeping diffuser stable, the minor face end of buckle (3) is against in the inferior outer groove (1.1.1) on diffuser outside finish, the bottom of buckle (3.3) are imbedded in the neck groove (1.2.1) between the upper and lower rib of diffuser neck, the kink of the long-armed end of buckle (3.4) props up in diffuser reserved opening (2.1) ceiling board around along (2.2), through screw preformed hole (3.8), buckle (3) and diffuser (1) is fixing with self-tapping screw (3.9), the hold-down nut (3.7) of while tightening card facies lateralis brachii,
Step 3, according to the fixing means in above-mentioned steps two, at least four buckles (3) at diffuser (1), contact with ceiling board (2) one week are evenly installed.
8. the cassette mounting method of a kind of diffuser according to claim 5 on ceiling board, is characterized in that: in described step 3, the concrete operation step of levelling diffuser outside finish and ceiling board plane is as follows:
Step 1, making levelling working platform: get the square dental stone plate that a size is greater than ceiling board, require plate face smooth smooth, by method of geometry, determine after the central point of gypsum plank plate face, take central point as benchmark, cut that shape is identical with diffuser reserved opening (2.1), the length of side or diameter be than the region with the large 5～10mm of diffuser reserved opening (2.1), the table top that the gypsum plank face after cutting is working platform; With a well cabinet frame of angle steel welding, table top lies on well cabinet frame, then adopts level gauge to carry out levelling to table top, and after well cabinet frame and table top are fixed, levelling working platform completes;
Step 2, the levelling of diffuser outside finish and ceiling board plane: the diffuser being fixed together with ceiling board is put in the opening at levelling working platform center, now, the neck of diffuser down, more than the outside finish of ceiling board and diffuser is all exposed at the table top of levelling working platform, self-tapping screw on buckle below table top (3.9) and hold-down nut (3.7) are unscrewed, adjust the outside finish plane of ceiling board plane and diffuser, until its at grade after, fixing self-tapping screw (3.9), hold-down nut (3.7) is tightened simultaneously, now diffuser outside finish and ceiling board plane prohibit solid together with and smooth seamless.
9. the cassette mounting method on ceiling board according to a kind of diffuser described in claim 5～8 any one, is characterized in that: described diffuser (1) is square diffuser or circular diffuser.
10. the cassette mounting method of a kind of diffuser according to claim 5 on ceiling board, is characterized in that: described in the stroke that is flexible coupling be 30～70mm.
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CN114838491A (en) * 2022-06-08 2022-08-02 银广厦集团有限公司 Tuyere structure and installation method thereof

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