CN103174281A - Thin-wall component and shared exhaust pipeline - Google Patents
Thin-wall component and shared exhaust pipeline Download PDFInfo
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- CN103174281A CN103174281A CN2011104331669A CN201110433166A CN103174281A CN 103174281 A CN103174281 A CN 103174281A CN 2011104331669 A CN2011104331669 A CN 2011104331669A CN 201110433166 A CN201110433166 A CN 201110433166A CN 103174281 A CN103174281 A CN 103174281A
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Abstract
The invention belongs to the field of a shared exhaust pipeline of a house, and provides a thin-wall component which is arranged in the position of an internal corner of a room. A hole is formed in a floor slab in the position of the internal corner, the thin-wall component penetrates the hole or is arranged on the floor slab, surrounds the hole and a part of a wall surface to form the shared exhaust pipeline. The thin-wall component comprises a first plate part, a second plate part and a third plate part, wherein the first plate part is perpendicular to the second plate part, the third plate part is connected with the first plate part and the second plate part. Due to the fact that the thin-wall component is provided with the third plate part, the number of corner posts is increased, the stress plane is reduced, the compression resistance and flexible impact resistance are improved, mechanical performance of the thin-wall component is improved, and the thin-wall component is not damaged easily, and is more convenient to manufacture, convey and install. Meanwhile, when the thin-wall component is applied to the shared exhaust pipeline, an air inlet of the exhaust pipeline is arranged on the third plate part, namely is arranged on a plane which is not parallel with or perpendicular to the wall surface in the position of the internal corner, and the problems that the use performance and a safety function of an exhaust system are damaged due to the facts that the placing position of a smoke exhauster is changed, and the position of the air inlet is changed in the process of upholstering.
Description
Technical field
The invention belongs to the common exhaust duct for dwelling field, more particularly, relate to a kind of thin-wall member and common exhaust duct.
Background technology
The applicant is the utility model patent of " common gas exhaust passage " in a key name of application on 01 21st, 2011, put down in writing in this patent document: common gas exhaust passage is arranged at the inner corner trim place in room, the floor at inner corner trim place is preset the hole, this common gas exhaust passage passes the hole by the L-type thin-wall member or is arranged at and encloses described hole and part metope on floor and form, offer some air inlet ports on common gas exhaust passage, the air inlet port place is equipped with duty valve.
This common gas exhaust passage has been cancelled the interior mortar light-wall pipe of dedicated water in existing national sector standard, enclose the hole and the part metope forms exhaust duct by the L-type thin-wall member, waste gas is discharged by its top through common gas exhaust passage, both guaranteed the discharging effect of original cement mortar light-wall pipe, do not produce again the gap plugging problem of former duct wall and metope, effectively guaranteed the durability of exhaust system structure, simple and reliable for structure, construction, convenient transportation, cost is low.
Although this common gas exhaust passage has above-mentioned advantage, still there is following problem in this exhaust duct: one, the resistance to compression of L-type thin-wall member, anti-impact force deficiency, easily damage; Two, the air inlet port limited location that arranges on the L-type thin-walled, the opening of air inlet port can only be parallel with metope or vertical, different when the smoke exhaust ventilator placement direction, and the finishing owner arbitrarily changes the air inlet port orientation, causes shared ventilation system to use the destroyed of function and security function.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defective of prior art, provide a kind of simple in structure, resistance to compression, anti-flexible can be good, can three common exhaust ducts that direction arranges the thin-wall member of air inlet port and adopts this thin-wall member.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of thin-wall member is provided, be arranged at the inner corner trim place in room, the floor at described inner corner trim place is preset the hole, described thin-wall member passes described hole or is arranged at and encloses described hole and part metope on described floor and form common gas exhaust passage, and this thin-wall member comprises orthogonal the first plate, the second plate and the 3rd plate that connects two plates.
The present invention also provides a kind of common exhaust duct, be arranged at the inner corner trim place of kitchen or washroom, inner corner trim place floor slab preformed hole mouth, described common exhaust duct passes reserved opening by thin-wall member described above or is arranged at and encloses hole and inner corner trim metope on floor and form, and described thin-wall member is provided with air inlet port.
Thin-wall member in the present invention due to the 3rd plate being set, having increased corner post and has reduced plane of constraint, improves resistance to compression, anti-soft impulse ability, has improved the mechanical property of thin-wall member, and cracky, be not more convenient for making, transport, install; Simultaneously, when thin-wall member is applied to common exhaust duct, the air inlet port of exhaust duct can be arranged on the 3rd plate, can be located at not on the face parallel or vertical with inner corner trim place metope, solved that to place the orientation different because of smoke exhaust ventilator, the finishing owner air inlet port direction is changed and cause exhaust system use function and security function destroy and occur smoke evacuation not freely, the problem such as pour in down a chimney.
Description of drawings
Fig. 1 is the structural representation of the thin-wall member that provides of the embodiment of the present invention one;
Fig. 2 is the structural representation of the thin-wall member that provides of the embodiment of the present invention two;
Fig. 3 is the structural representation of the thin-wall member that provides of the embodiment of the present invention three;
Fig. 4 is the structural representation of the thin-wall member that provides of the embodiment of the present invention four;
Fig. 5 is the structural representation of the thin-wall member that provides of the embodiment of the present invention five;
Fig. 6 is the floor map of the thin-wall member that provides of the embodiment of the present invention six;
Fig. 7 is A-A cut-away view in Fig. 6;
Fig. 8 is the floor map of the thin-wall member that provides of the embodiment of the present invention seven;
Fig. 9 is B-B cut-away view in Fig. 8;
Figure 10 is the floor map of the thin-wall member that provides of the embodiment of the present invention eight;
Figure 11 is the front view of Figure 10;
Figure 12 is the structural representation of the thin-wall member that provides of the embodiment of the present invention nine;
Figure 13 is the structural representation of the thin-wall member that provides of the embodiment of the present invention ten;
Figure 14 is the top view of the common exhaust duct that provides of the embodiment of the present invention one;
Figure 15 is C-C cut-away view in Figure 14;
Figure 16 is the top view of the common exhaust duct that provides of the embodiment of the present invention two;
Figure 17 is D-D cut-away view in Figure 16;
Figure 18 is the top view of the common exhaust duct that provides of the embodiment of the present invention three;
Figure 19 is E-E cut-away view in Figure 18;
Figure 20 is the top view of inner corner trim in the common exhaust duct that provides of the embodiment of the present invention four;
Figure 21 is F-F cut-away view in Figure 20;
Figure 22 is the top view of inner corner trim in the common exhaust duct that provides of the embodiment of the present invention five;
Figure 23 is G-G cut-away view in Figure 22;
Figure 24 is another G-G cut-away view in Figure 22;
Figure 25 is the floor map that is connected of common exhaust duct and smoke exhaust ventilator in the present invention.
Figure 26 is the existing floor map that is connected of using common gas exhaust passage with the smoke exhaust ventilator of L-type thin wall construction.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Thin-wall member provided by the invention is arranged at the inner corner trim place in room, the floor at described inner corner trim place default hole, and described thin-wall member passes described hole or is arranged on described floor, encloses described hole and part metope and forms common gas exhaust passage.This thin-wall member comprises orthogonal the first plate, the second plate and the 3rd plate that is obliquely installed and connects two plates.This thin-wall member owing between the first plate and the second plate, the 3rd plate being set, has increased corner post and has reduced plane of constraint, resistance to compression, anti-soft impulse ability have been improved, improved the mechanical property of thin-wall member, cracky, be not more convenient for making, carry, transport, install; Simultaneously, when this thin-wall member is applied to common exhaust duct, the air inlet port of exhaust duct can be arranged on the 3rd plate of inclination, can be located at not on the face parallel or vertical with inner corner trim place metope, solved that to place the orientation different because of smoke exhaust ventilator, the finishing owner changes the air inlet port orientation and causes exhaust system to use function and security function to destroy, thus occur smoke evacuation smooth, pour in down a chimney, the problem such as obstruction, make and build the common gas exhaust passage pipe-line system and more be tending towards perfect.
Be described in further detail below in conjunction with the specific implementation of accompanying drawing to thin-wall member embodiment of the present invention.
Embodiment one
With reference to Fig. 1, the structural representation of the thin-wall member that provides for the embodiment of the present invention one.Described thin-wall member 100 comprises orthogonal the first plate 110, the second plate 120 and the 3rd plate 130 that connects two plates.Above-mentioned three plates are slabbed construction, and wherein the 3rd plate 130 is obliquely installed and is connected between the first plate 110 and the second plate 120.Thin-wall member when mounted, the first plate 110 is parallel to a metope of inner corner trim, and perpendicular to another metope of inner corner trim; Same, the second plate 120 is a metope of parallel inner corner trim also, and perpendicular to another metope of inner corner trim, in prior art; when thin-wall member is applied to common exhaust duct; the air inlet port of extract duct can only be located on the first plate 110 or the second plate 120, be namely the metope that the opening direction of air inlet port also is parallel to inner corner trim, simultaneously perpendicular to another metope.Therefore, placing the orientation when user's smoke exhaust ventilator changes, the air inlet port orientation of common gas exhaust passage also need change, if air inlet port is arranged on the 3rd plate 130, the placement in any orientation of smoke exhaust ventilator all facilitates with air inlet port and is communicated with, need not to change air inlet port towards, avoided the exhaust system air inlet port is changed and caused it to use the destruction of function and security function.
In the present embodiment, the first plate 110, the second plate 120 and the 3rd plate 130 be by the mixed slurry curing molding of cement as gelling agent, also can be with the mixed slurry curing molding of other material as gelling agent.Adopt this molding mode of cement mortar, make easily, cost is low, and shock resistance and compressive strength high, sturdy and durable; Other material may be molded to thinner thin-wall member and does the inner formword use as the mixed slurry curing molding of gelling agent, and smearing at least outward, one deck cement mortar solidification strengthens.Need to prove, the first plate 110, the second plate 120 and the 3rd plate 130 also can be bound by plate, bonding or block forming, adopt plate, and be lightweight, is convenient to carrying and field fabrication and installs.
In order to strengthen the intensity of whole thin-wall member, in the present embodiment, be respectively equipped with reinforce in the first plate 110, the second plate 120 and the 3rd plate 130, described reinforce is at least a in reinforcing bar, wire, wire lath, fiber, fibre bundle, fibrous mesh cloth, nonwoven, metal foil band, porose thin band, strap, braid over braid, stalk.
Embodiment two
With reference to Fig. 2, the structural representation of the thin-wall member that provides for the embodiment of the present invention two.The difference of the present embodiment and the first embodiment is: the junction interior angle of the first plate 110 and the 3rd plate 130 is down flat the angle, and the junction interior angle of the 3rd plate 130 and the second plate 120 is down flat the angle.Like this, further increase corner post, reduced the plane of constraint when using, improved the resistance to compression of thin-wall member, anti-soft impulse ability.Need to prove, also can be with the interior angle inverted arc angle of above-mentioned three plate junctions, the exterior angle is down flat the angle or arc angle is processed, and certainly also can strengthen resistance to compression, anti-soft impulse ability with other mode that increases the corner post cross section.
Embodiment three
With reference to Fig. 3, the difference of the 3rd embodiment and the first embodiment is: the first plate 110, the second plate 120 and the 3rd plate 130 are interconnective arc, also three plates can be regarded as the arc of an integral body.
Embodiment four
With reference to Fig. 4, the difference of the 4th embodiment and the first embodiment is: the first plate 110 and the second plate 120 are arc, and the 3rd plate 130 is dull and stereotyped.
Embodiment five
With reference to Fig. 5, the difference of the 5th embodiment and the first embodiment is: the first plate 110 and the second plate 120 are for dull and stereotyped, and the 3rd plate 130 is the arc plate.
Need to prove; no matter the first plate 110, the second plate 120 and the 3rd plate 130 are the plate of which kind of shape; or first plate 110; whether the second plate 120 is mutually vertical; as long as thin-wall member has the plate of out of plumb or uneven metope for offering air inlet port, all within protection scope of the present invention.
Embodiment six
With reference to Fig. 6, Fig. 7, in the 6th embodiment, be provided with junction plate 140 between non-conterminous plate in the first plate 110, the second plate 120 and the 3rd plate 130, namely be provided with junction plate 140 between the first plate 110 and the second plate 120.Junction plate 140 can be flat board, arc or irregular shape plate.In the present embodiment, the junction plate of setting has increased the intensity of thin-wall member, simultaneously, has also formed two flow areas in common gas exhaust passage this cross section, and one of them cross section can be used as functional areas, and the junction plate 140 of setting also can be used as variable-pressure plate.Need to prove, junction plate 140 also available connecting rod substitutes, and strengthens the thin-wall member effect to play.
Embodiment seven
With reference to Fig. 8, Fig. 9, in the 7th embodiment, be provided with junction plate 140 between adjacent plate in the first plate 110, the second plate 120 and the 3rd plate 130, namely as shown in FIG., be provided with junction plate 140 between the first plate 110 and the 3rd plate 130.Junction plate 140 can be flat board, arc or irregular shape plate.In the present embodiment, the junction plate of setting and adjacent two plates enclose and form stable triangular shape, like this, have strengthened the intensity of thin-wall member.Need to prove, junction plate 140 also available connecting rod substitutes.
Embodiment eight
With reference to Figure 10, Figure 11, in the 8th embodiment, the medial surface of the lateral surface of the first plate 110, the second plate 120 and the medial surface of the 3rd plate 130 are equipped with reinforcing rib 150.By reinforcing rib 150 is set, strengthens the intensity of each plate, thereby also improve the intensity of thin-wall member.Need to prove, reinforcing rib 150 also is not limited to above-mentioned setting position, form, also can be located at the medial surface of the first plate 110, the lateral surface of the second plate 120 or the lateral surface of the 3rd plate 130.In a word, to strengthen protruding or concave structure that plate intensity forms all in protection scope of the present invention.
Embodiment nine
With reference to Figure 12, in the 9th embodiment, the end of the first plate 110 and the second plate 120 is equipped with toss 160, and the cross section of toss 160 is triangular in shape, trapezoidal, rectangle or irregular figure.End at first dull and stereotyped the 110 and second flat board 120 has formed a strengthening wing, thereby can effectively improve shock resistance and the compressive property of thin wall construction, prevent that thin wall construction from breaking, improve the mechanical property of thin wall construction, also greatly increase the straight end face of the first dull and stereotyped 110 and second flat board 120 and the sealing area of metope intersection, strengthened the firm reliability that seals.
Embodiment ten
With reference to Figure 13, in the tenth embodiment, be provided with metal derby 170 on the 3rd plate 130.By metal derby 170 is set, the welding load-bearing in convenient the installation is processed.Need to prove, metal derby 170 also can be arranged on arbitrary plate of thin-wall member.
The present invention also provides a kind of common exhaust duct, it is arranged at the inner corner trim place of kitchen or washroom, inner corner trim place floor slab preformed hole mouth, described common exhaust duct passes default hole by above-mentioned thin-wall member or is arranged at and encloses hole and inner corner trim metope on floor and form, and described thin-wall member is provided with air inlet port.When above-mentioned thin-wall member was applied to common exhaust duct, owing to setting up the 3rd plate in thin-wall member, therefore whole thin-wall member resistance to compression, anti-soft impulse ability, mechanical property strengthen, cracky was not convenient to make, carrying, transportation and install; Simultaneously, the air inlet port of exhaust duct can be arranged on the 3rd plate, can be located at not on the face parallel or vertical with inner corner trim place metope, solved because of smoke exhaust ventilator placement location difference, the finishing owner arbitrarily changes air inlet port and causes exhaust system to use function and security function to destroy, thereby occur smoke evacuation smooth, pour in down a chimney, the problem such as obstruction, make building common gas exhaust passage pipe-line system more be tending towards perfect.
Specifically describe below in conjunction with the example structure of accompanying drawing to common exhaust duct of the present invention.
Embodiment one
With reference to Figure 14,15, the structural representation of the common exhaust duct that provides for the embodiment of the present invention one.In the present embodiment, it is arranged at inner corner trim 200 places of kitchen or washroom, inner corner trim 200 place's floor slab preformed hole mouths 300, common exhaust duct passes reserved opening 300 by above-mentioned thin-wall member 100 or is arranged at and encloses hole 300 and inner corner trim metope on floor and form, and thin-wall member 100 is provided with air inlet port 180.Particularly, in the present embodiment, air inlet port 180 is located on the 3rd plate 130.Certainly, air inlet port 180 also can be located on the first plate 110 or the second plate 120.
In the present embodiment, the first plate 110 and the second plate 120 are fixed on the metope of inner corner trim 200 by keeper 400.In the present embodiment, keeper 400 is the list structure of cement mortar moulding, and it is arranged at the inboard of the handing-over of the first plate 110, the second plate 120 and metope, like this, guarantees the verticality requirement that thin-wall member 100 is installed.Certainly, keeper 400 also can be the outside that is arranged at the first plate 110, the second plate 120 and metope junction, like this, also thin-wall member 100 is played fixation, prevents that it from toppling over.Certainly, also can directly thin-wall member 100 be positioned over without keeper in default hole 300 or be positioned on floor.
Further, in order to strengthen the bonding strength of thin-wall member 100 and inner corner trim metope, while is the enhanced leaktightness performance also, the present embodiment, and the first plate 110 and the second plate 120 solidify sealing with the junction of the metope of inner corner trim 200 by the slurry 500 of being made gelling agent by cement.Particularly, in the present embodiment, the end of the first plate 110 and the second plate 120 is provided with toss 160, the gap between the metope of slurry 500 filling toss 160 and inner corner trim 200.
Further, in the present embodiment, the interior metope of common exhaust duct is smeared slurry curing layer 600, has improved like this planeness of metope, the resistance when reducing exhaust.Certainly, also can not smear the slurry curing layer.
In the present embodiment, screed 700 sealings are adopted in the gap between thin-wall member 100 and floor, have further strengthened sealing performance, the stability of common exhaust duct.
In the present embodiment, air inlet port 180 places are provided with duty valve 190.Particularly, duty valve 190 is at least a in flange, fire resisting damper, fire-preventing check valve, fire prevention non-return diaphragm valve, the combination valve that also can be or have above-mentioned each function.By duty valve is set, strengthen fire prevention and reverse-filling, anti-taint of odour function, avoid the gas in common exhaust duct to pour in down a chimney in each man of resident family.
In the present embodiment, each interlayer is installed the whole piece thin-wall member, and certainly, each interlayer also can be by many thin-wall member stacks.
Embodiment two
With reference to Figure 16,17, provide a kind of structural representation of common exhaust duct of variable cross-section for the embodiment of the present invention two.In the present embodiment, every layer two thin-wall members 100 are installed, and the external surface of thin-wall member 100 smears screed 700, like this, not only improved the intensity of thin-wall member 100, also ensured the sealing performance of exhaust duct.
In the present embodiment, the inboard of the air inlet port 180 of each thin-wall member 100 is equipped with can carry out to air-flow the guide pipe 800 of guide effect.
In the present embodiment, the cross section of common exhaust duct is variable cross-section, namely increases gradually from the bottom to top, is different from the uniform section common exhaust duct in the first embodiment.Adopt this variable section structure, more be conducive to the deadweight support of thin wall construction 100.
In the present embodiment, inner corner trim 200 places employing slurry curing layer is down flat angle 210, certainly, also can be arc angle herein.
Embodiment three
With reference to Figure 18, Figure 19, the structural representation of the common exhaust duct that provides for the embodiment of the present invention three.In the present embodiment; thin-wall member 100 is located on floor, inner corner trim 200 adopts slurry curing layer inverted arc angle 220, and keeper 400 is steel nail; duty valve 190 is the flange that can be connected with room exhaust tube, air inlet port 180 inboards be provided with have guiding, the multifunction structure 900 of fire prevention, transformation function.
Embodiment four
With reference to Figure 20, Figure 21, be the schematic diagram of inner corner trim 200 in the embodiment of the present invention four.In the present embodiment, arrange dull and stereotypedly 230 on the metope of inner corner trim 200, like this, form flow area in this place and change, can produce needed transformation effect, the malleation value that is conducive to the air inlet port place reduces, and is a kind of method that improves exhaust effect.Need to prove, dull and stereotyped 230 also for adopting arc, trapezoidal plate or channel plates herein.
Embodiment five
With reference to Figure 22, Figure 23, be the schematic diagram of inner corner trim 200 in the embodiment of the present invention five.In the present embodiment, sandwiched flat board 240 between two metopes of inner corner trim 200 like this, can form functional areas, a Circulation Area at this section of common gas exhaust passage, is conducive to parallel connection and pulls out the gas effect.What need to say is that dull and stereotyped 240 also for adopting arc, trapezoidal plate or channel plates herein.
With reference to Figure 24, be another schematic diagram of inner corner trim in Figure 22 200.In the present embodiment, sandwiched flat board 240 between two metopes of inner corner trim 200, dull and stereotyped 240 lower end closed like this, can form the transformation effect at this section of common gas exhaust passage, are also a kind of methods that improves exhaust effect.What need to say is that dull and stereotyped 240 also for adopting arc, trapezoidal plate or channel plates herein.
With reference to Figure 25, be the be connected floor map of common exhaust duct provided by the invention with smoke exhaust ventilator.The air inlet port 180 of thin-wall member 100 is located on the 3rd plate 130, the exhaust opening of indoor smoke exhaust ventilator 250 is connected with air inlet port 180 by flexible pipe 260, as can be seen from Figure, when smoke exhaust ventilator 250 is positioned at diverse location, all can be connected with air inlet port 180 by flexible pipe 260, at this moment, need not change air inlet port towards, use function and security function thereby avoid destroying exhaust system.With reference to Figure 26, be the floor map that is connected of common exhaust duct with the smoke exhaust ventilator of prior art L-type thin wall construction.Contrast Figure 25, Figure 26 can find out, the difference that smoke exhaust ventilator is placed the orientation on exhaust duct towards impact, that is to say, smoke exhaust ventilator place the orientation determine the exhaust duct air inlet port towards.And adopt as shown in figure 25 thin-wall member, the placement in smoke exhaust ventilator any orientation all facilitate and is communicated with air inlet port, need not to change air inlet port towards, avoided the change of exhaust system air inlet port and the destruction of causing its use function and security function.
These are only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. thin-wall member, be arranged at the inner corner trim place in room, the floor at described inner corner trim place is preset the hole, described thin-wall member passes described hole or is arranged on described floor, enclose described hole and part metope and form common gas exhaust passage, it is characterized in that: described thin-wall member comprises orthogonal the first plate, the second plate and the 3rd plate that is obliquely installed and connects two plates.
2. a kind of thin-wall member as claimed in claim 1, it is characterized in that: described the first plate, the second plate and the 3rd plate are by the mixed slurry curing molding of cement as gelling agent.
3. a kind of thin-wall member as claimed in claim 1 is characterized in that: described the first plate, the second plate and the 3rd plate are by the bookbinding of plate material, bonding or block forming.
4. a kind of thin-wall member as claimed in claim 1 or 2, it is characterized in that: be equipped with reinforce in described the first plate, the second plate and the 3rd plate, described reinforce is at least a in reinforcing bar, wire, wire lath, fiber, fibre bundle, fibrous mesh cloth, nonwoven, metal foil band, porose thin band, strap, braid over braid, stalk.
5. a kind of thin-wall member as claimed in claim 1 is characterized in that: between adjacent or non-conterminous plate, connector is set in described the first plate, the second plate and the 3rd plate, described connector is dull and stereotyped, arc or irregular shape plate.
6. a kind of thin-wall member as claimed in claim 1 is characterized in that: medial surface and/or the lateral surface of described the first plate and the/the second plate and/or the 3rd plate are provided with reinforcing rib.
7. common exhaust duct, be arranged at the inner corner trim place of kitchen or washroom, inner corner trim place floor slab preformed hole mouth, it is characterized in that: described common exhaust duct passes reserved opening by thin-wall member as described in any one in claim 1 to 6 or is arranged at and encloses hole and inner corner trim metope on floor and form, and described thin-wall member is provided with air inlet port.
8. common exhaust duct as claimed in claim 7, it is characterized in that: described air inlet port is located on described the first plate or the second plate or the 3rd plate.
9. common exhaust duct as claimed in claim 7 is characterized in that: the upper and lower cross section of described common exhaust duct equates, or the cross section of described common exhaust duct increases from the bottom to top gradually.
10. common exhaust duct as claimed in claim 7 is characterized in that: described air inlet port place is provided with duty valve.
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CN201110433166.9A CN103174281B (en) | 2011-12-21 | 2011-12-21 | A kind of thin-wall member and common exhaust duct |
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CN201110433166.9A CN103174281B (en) | 2011-12-21 | 2011-12-21 | A kind of thin-wall member and common exhaust duct |
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CN103174281A true CN103174281A (en) | 2013-06-26 |
CN103174281B CN103174281B (en) | 2017-05-31 |
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CN201110433166.9A Expired - Fee Related CN103174281B (en) | 2011-12-21 | 2011-12-21 | A kind of thin-wall member and common exhaust duct |
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CN104234387A (en) * | 2014-09-28 | 2014-12-24 | 张琦 | Thin-wall pipe |
CN106760405A (en) * | 2017-01-23 | 2017-05-31 | 深圳市万居科技股份有限公司 | A kind of L-shape thin wall structure |
CN107035108A (en) * | 2017-05-26 | 2017-08-11 | 深圳市万居科技股份有限公司 | A kind of L-shape thin wall structure |
CN110094040A (en) * | 2019-06-10 | 2019-08-06 | 武宇生 | Combination type exhausting channel and shock resistance detection method |
CN110371239A (en) * | 2019-07-31 | 2019-10-25 | 广船国际有限公司 | Flexibility gear cigarette component and installation method |
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CN104234387A (en) * | 2014-09-28 | 2014-12-24 | 张琦 | Thin-wall pipe |
CN104234387B (en) * | 2014-09-28 | 2017-07-28 | 张琦 | Light-wall pipe |
CN106760405A (en) * | 2017-01-23 | 2017-05-31 | 深圳市万居科技股份有限公司 | A kind of L-shape thin wall structure |
CN107035108A (en) * | 2017-05-26 | 2017-08-11 | 深圳市万居科技股份有限公司 | A kind of L-shape thin wall structure |
CN110094040A (en) * | 2019-06-10 | 2019-08-06 | 武宇生 | Combination type exhausting channel and shock resistance detection method |
CN110371239A (en) * | 2019-07-31 | 2019-10-25 | 广船国际有限公司 | Flexibility gear cigarette component and installation method |
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