CN205048463U - Chimney cap - Google Patents
Chimney cap Download PDFInfo
- Publication number
- CN205048463U CN205048463U CN201520732451.4U CN201520732451U CN205048463U CN 205048463 U CN205048463 U CN 205048463U CN 201520732451 U CN201520732451 U CN 201520732451U CN 205048463 U CN205048463 U CN 205048463U
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- CN
- China
- Prior art keywords
- chimney
- water fender
- support
- throat
- chimney cowl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a chimney cap. This chimney cap includes: supporting part, its lower part are fixed in chimney opening, outside chimney opening is stretched out on upper portion, but provide an ascending rotation support, the breakwater is slant below open -ended indent shape, is fixed in the upper portion of supporting part, separates the top that chimney opening was located to the default distance lid, wherein, but the breakwater can be rotatory around this rotation support's the central axis under the ascending rotation support that the supporting part provided. The utility model discloses chimney cap simple structure, the fault rate is low, makes and hangs down with the maintenance cost, does not increase the distance of fume emission simultaneously, and the fume emission is effectual.
Description
Technical field
The utility model relates to daily living article technical field, particularly relates to a kind of chimney cowl.
Background technology
Chimney is the requisite part of various combustion apparatus, although often ignored by people, but the province of fuel takes, the quality of the height of efficiency, result is often all closely related with chimney, especially when blowing, rainy or air pressure is lower, air-flow has some setbacks, just seem even more important.
In order to windproof and rain proof, the chimney cowl of most of chimney is designed to umbrella shape, but, umbrella shape chimney cowl prevents flue gas to high altitude discharge, easily form eddy current by the impact of wind direction in the below of chimney cowl simultaneously, cause the draft in chimney to decline, affect smoke exhaust effect.In order to solve the above-mentioned defect of umbrella shape chimney cowl, chimney cowl miscellaneous is carried out.
Bibliography 1 (CN102943558A) provides a kind of Anti-headwind chimney cap.Please refer to Fig. 1, this Anti-headwind chimney cap comprises: locking cap 3, the top of locking cap 3 is provided with moveable cap 1, and the lower inside of moveable cap 1 is provided with a baffle plate 2, and moveable cap 1 is connected with locking cap 3 by baffle plate 2, the side of moveable cap 1 is provided with the smoke cap 5 with its intracavity inter-connection, the top of smoke cap 5 is provided with deflector 4, and when contrary wind, moveable cap 1 turns to the side of deflector 4 along wind direction along locking cap 3, now, cigarette is discharged along locking cap 3, moveable cap 1 and smoke cap 5.
Bibliography 2 (CN203240598U) provides a kind of chimney cowl.Please refer to Fig. 2, chimney (metal cylinder) 8 is fixed with in smokejack outlet, the lower end of sleeve 1 is sleeved on the upper end of chimney 8, and the cylindrical that the upper end cylindrical of sleeve 1 is less than sleeve 1 lower end forms an axle journal, and the inner circle of rolling bearing 2 is sleeved on the axle journal of sleeve 1 upper end; Chimney bend pipe 3 lower end inner circle is greater than an interior round-formed inner circle step of chimney bend pipe 3 upper end, chimney bend pipe 3 lower end inner circle is sleeved on rolling bearing 2 cylindrical, located rolling bearing 2 by the inner circle step in chimney bend pipe 3, the upper and lower side of support bar 4 is vertically welded in respectively and points on bar 7 and chimney bend pipe 3 (support bar is perpendicular to chimney bend pipe center line); Point to bar 7 one end and be provided with counterweight 6, the other end pointing to bar 7 is equipped with the chimney cowl of empennage composition box haul mark rotation.The operation principle of this chimney cowl is: when wind to when becoming a certain angle of cut with wind vane, wind produces pressure to wind vane, make wind vane around vertical axis and drive chimney cowl to rotate, until wind vane head just in time to wind come to time, wind vane drive chimney cowl be just stabilized in a certain orientation.
But in continuous production practices, applicant finds the complex structure of above-mentioned two kinds of chimney cowls, and fault rate is higher, and which increase cigarette discharge the distance of process, have adverse effect to the efficiency of combustion of fuel.
Utility model content
(1) technical problem that will solve
In view of above-mentioned technical problem, the utility model provides a kind of chimney cowl, makes it while windproof and rain proof, keeps good smoke exhaust effect.
(2) technical scheme
The utility model chimney cowl comprises: support portion, and throat is fixed in its underpart, and top is stretched out outside throat, provides a rotatable support upwards; Water fender 20, in the concave shape of oblique lower opening, is fixed on the top of support portion, separates the top that predeterminable range is covered on throat; Wherein, can rotate around the central axis of this rotatable support under the rotatable support upwards that water fender 20 provides in support portion.
Preferably, in the utility model chimney cowl, support portion comprises: at least one deck support 40 and a rotating shaft 30; Wherein, support 40 level is fixed in chimney 50, the central axes of rotating shaft and chimney 50, and its top is stretched out outside throat, and support 40 is that the vertical setting of rotating shaft 30 provides support.
Preferably, in the utility model chimney cowl, support 40 is cross frame, herringbone or pentalpha support, and its number of plies is 1,2,3 or 4.
Preferably, in the utility model chimney cowl, rotating shaft 30 is solid metal; Support portion comprises the cross bracket of 2 layers, and this cross bracket is welded on the inner wall of stack in outside.
Preferably, in the utility model chimney cowl, a part for the triangle of water fender 20 in oblique lower opening, a columnar part or polygonal cylinder; Water fender 20 is welded on the top of the rotatable support in support portion, and pad is the center equalization point of water fender.
Preferably, in the utility model chimney cowl, the triangle of water fender 20 in oblique lower opening, is divided into the left wing and right wing part of opening in obtuse angle.
Preferably, in the utility model chimney cowl, left wing and right wing part be a rectangular metallic plate length direction center line both sides downward bending 120 °, and cut chamfering preparation.
Preferably, in the utility model chimney cowl, the spine of water fender 20 and the angle of chimney 50 central axis are between 10 ° ~ 60 °; Water fender 20 and the distance of throat are 1.2 times of throat diameter, and water fender 20 projection in the horizontal plane covers throat projection in the horizontal plane.
Preferably, the utility model chimney cowl also comprises: steadying plate 10, be fixed on the spine of water fender upwards side, and the side of the oblique top of water fender is stretched out in this oblique upper side of steadying plate 10.
Preferably, in the utility model chimney cowl, steadying plate is leg-of-mutton metallic plate; Whole chimney cowl is seen in flying bird shape from below, and wherein, support portion corresponds to bird leg, and water fender 20 corresponds to the wing of bird, and steadying plate 10 corresponds to bird head.
(3) beneficial effect
As can be seen from technique scheme, the utility model chimney cowl has following beneficial effect:
(1) structure is simple, failure rate is low, manufactures with maintenance cost low, and do not increase the distance of fume emission, smoke exhaust effect is good simultaneously;
(2) steadying plate is while auxiliary guiding, also plays the effect of damper, can avoid the overall fluctuation in axis of chimney cowl;
(3) whole chimney cowl is in the shape of the flying bird that spreads the wings, and can desalinate the detest situation of people to chimney, for city increases very landscape.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art 1 chimney cowl;
Fig. 2 is the structural representation of prior art 2 chimney cowl;
Fig. 3 A ~ Fig. 3 C is respectively front view, right view and top view according to the utility model embodiment chimney cowl.
[main element]
10-steadying plate; 20-water fender; 30-rotating shaft;
40-double-layer cross support; 50-chimney.
Detailed description of the invention
The shape that the utility model chimney cowl spreads the wings flying bird in one on the whole, has concurrently practical in two aspects attractive in appearance.
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
In one exemplary embodiment of the present invention, provide and be a kind ofly applicable to the chimney 50 that diameter is 500mm.Please refer to Fig. 3 A ~ Fig. 3 C, the present embodiment chimney cowl comprises: support portion, and throat is fixed in its underpart, and top is stretched out outside throat, provides a rotatable support upwards; Water fender 20, in the concave shape of oblique lower opening, is fixed on the top of support portion, separates the top that predeterminable range is covered on throat; Steadying plate 10, is fixed on the top of water fender 20 upwards side.Wherein, water fender 20 and steadying plate 10 can rotate around the central axis of this rotatable support under the rotatable support upwards of support portion.
Below respectively each part of the present embodiment chimney cowl is described in detail.
Please refer to Fig. 3, in the present embodiment, support portion comprises: double-layer cross support 40, and it is installed on the inside of chimney 50; Rotating shaft 30, its two rotatable fixing point is fixed on the central shaft of double-layer cross support, and its top is stretched out outside chimney 50.Wherein, this double-layer cross support 40 provides a upwards rotatable support along the central axial direction of chimney 50 for rotating shaft 30.
In the present embodiment, adopt double-layer cross support 40 to provide support for rotating shaft 30, chimney 50 inwall in itself and outside has four and is welded and fixed a little.Should be understood that, except the bracing frame of cross shape, herringbone (being namely welded and fixed the support of pad by three) or pentalpha support (being namely welded and fixed the support of pad by five) can also be adopted, all the present invention can be realized, and the number of plies of support can also be three layers, four layers or five layers, or even, if support self has certain thickness, can ensure that rotating shaft is vertically stablized, the support of one deck also can be only set.
In the present embodiment, rotating shaft is solid metal, vertically installs, and can support top water fender 20 and steadying plate 10 weight and to keep chimney cowl to be in chimney 50 center constant.The length of this rotating shaft is determined according to the diameter of chimney 50, and the distance of its all right one way or the other rotary support point on double-layer cross support 40 is 300-400mm, can meet the bending strength of bar.
In the present embodiment, rotating shaft is the solid 45# steel pole of φ 20, vertically installs, chimney cowl weight can be supported and keep chimney cowl to be in chimney 50 center constant, length is 970mm, and the distance of its all right one way or the other rotary support point on double-layer cross support 40 is 320mm, can meet the bending strength of bar.
Rotating shaft 30 top is welded with water fender 20, and weld is the center equalization point of water fender 20, thus reduces the effect of the side force of water fender 20 pairs of rotating shafts as much as possible.
Please refer to Fig. 3 B and Fig. 3 C, water fender 20 is divided into left wing and right wing part, and both are 120 ° of designs, form the concave shape of oblique lower opening.It seems from below, this water fender is the bird body part of flying bird shape.
In actual process, this left wing and right wing part are that a monoblock cuts into the steel plate of preset shape after center line both sides downward bending 120 ° forms triangle, through the preparation of cutting chamfering.
Should be understood that, the downward opening concave shape of water fender 20 and arranging obliquely, it is when wind-engaging, the pressure that wind produces will be subject to, due to below axial rotary its rotatable support is upwards provided, this deep bead rotates around vertical rotating shaft, until its side (i.e. bird head side) upwards just in time facing to the wind comes to, thus dash effect can be ensured.
It should be noted that, follow-up steadying plate also can play certain guide effect, but the generation of guide effect main still water fender.
In the present embodiment, the diameter of chimney 50 is 500mm, and correspondingly, the distance between water fender both lateral sides edge is 600mm, is greater than the diameter of chimney 50, foreign matter and rainwater can be avoided to fall into chimney 50 inner.In other embodiments of the present invention, as long as ensure that water fender projection in the horizontal plane covers throat projection in the horizontal plane.
In the present embodiment, water fender is arranged obliquely, and the angle of its spine and chimney 50 central axis is 25 °, and flue gas is upwards discharged.And in other embodiments of the present invention, the angle design of water fender spine and chimney 50 central axis is between 10 ° ~ 60 °, depending on the wind direction parameter of local meteorological condition.
In the present embodiment, the center of gravity of water fender drops on the strong point of rotating shaft, and the distance of itself and throat is 600mm, affects fume emission, can fall in chimney 50 apart from excessive rainwater apart from little.And in other embodiments of the present invention, the distance of water fender and throat is designed to 1.2 times of throat diameter.
It should be apparent to those skilled in the art that, except above-mentioned triangle water fender, as long as opening down formation indent and the shape of oblique lower opening, all can realize dash effect and can with rotation of the wind comes from, such as: a columnar part, cross section are half hexagonal tubular.But compared with triangle water fender, the windage of the water fender of these shapes is comparatively large, and structural stability is poor, and flue gas can be caused to take difficulty, does not recommend to adopt.
Prove via experiment, although water fender can realize dash effect and can with rotation of the wind comes from, its stability is not very good, and namely whole chimney cowl meeting double swerve is very severe, therefore, also add steadying plate 10 in the present embodiment chimney cowl.
Please refer to Fig. 3 A, this steadying plate 10 is leg-of-mutton plate, it seems from below, the bird head part of this steadying plate 10 in flying bird shape.This steadying plate mainly plays balanced action, is equivalent to a damper, can reduce the double swerve of chimney cowl.Meanwhile, this stable version can also play the effect of auxiliary guiding.
It should be noted that, the guide effect of water fender 20 and the auxiliary guide effect of steadying plate 10 are all comparatively speaking.By the design of structure, also can make the guide effect that steadying plate 10 is main, and water fender plays auxiliary guide effect.
The present embodiment chimney cowl weight is 98kg, and its global design meets GB50017-2003 Code for design of steel structures, proves via simulated experiment, and its stability and reliability all can reach real requirement.
Those skilled in the art should find out, the present embodiment chimney cowl structure is simple, and therefore it is easy to manufacture and failure rate is low.Meanwhile, compared with the chimney cowl shown in Fig. 1, it does not increase the distance of fume emission, and smoke exhaust effect is good.
Please refer to Fig. 3 A and Fig. 3 B, see from below, the present embodiment chimney cowl is a shape of spreading the wings flying bird, and steadying plate 10 corresponds to bird head, and water fender 20 corresponds to the wing of bird, and rotating shaft 30 corresponds to the leg of bird.Coordinate the flue gas that chimney 50 is discharged, moulded very attractive in appearance, it can desalinate the detest situation of people to chimney to a certain extent, for city increases very landscape.
So far, by reference to the accompanying drawings the present embodiment has been described in detail.Describe according to above, those skilled in the art should have the utility model chimney cowl and have clearly been familiar with.
It should be noted that, in accompanying drawing or description text, the implementation not illustrating or describe, is form known to a person of ordinary skill in the art in art, is not described in detail.In addition, the above-mentioned definition to each element and method is not limited in various concrete structures, shape or the mode mentioned in embodiment, and those of ordinary skill in the art can change simply it or replace
Be understandable that, herein can providing package containing the demonstration of the parameter of particular value, but these parameters are without the need to definitely equaling corresponding value, but can be similar to analog value in acceptable error margin or design constraint.In addition, the direction term mentioned in embodiment, such as " on ", D score, "front", "rear", "left", "right" etc., be only the direction with reference to accompanying drawing, be not used for limiting protection domain of the present utility model.
In sum, the utility model provides a kind of practicality, chimney cowl attractive in appearance, and it manufactures with maintenance cost low, smoke exhaust effect is good, simultaneously the shape of whole chimney cowl in the flying bird that spreads the wings, and increases townscape, be kill two birds with one stone, there is good application value.
Above specific embodiment; the purpose of this utility model, technical scheme and beneficial effect have been described in detail; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a chimney cowl, is characterized in that, comprising:
Support portion, throat is fixed in its underpart, and top is stretched out outside throat, provides a rotatable support upwards;
Water fender (20), in the concave shape of oblique lower opening, is fixed on the top of described support portion, separates the top that predeterminable range is covered on throat;
Wherein, can rotate around the central axis of this rotatable support under the rotatable support upwards that described water fender (20) provides in described support portion.
2. chimney cowl according to claim 1, is characterized in that, described support portion comprises: at least one deck support (40) and a rotating shaft (30);
Wherein, described support (40) level is fixed in chimney (50), the central axes of described rotating shaft and chimney (50), its top is stretched out outside throat, and described support (40) provides support for the vertical setting of described rotating shaft (30).
3. chimney cowl according to claim 2, is characterized in that, described support (40) is cross frame, herringbone or pentalpha support, and its number of plies is 1,2,3 or 4.
4. chimney cowl according to claim 3, is characterized in that, described rotating shaft (30) is solid metal;
Described support portion comprises the cross bracket of 2 layers, and this cross bracket is welded on the inner wall of stack in outside.
5. chimney cowl according to claim 1, is characterized in that, a part for the triangle of described water fender (20) in oblique lower opening, a columnar part or polygonal cylinder;
Described water fender (20) is welded on the top of the rotatable support in described support portion, and pad is the center equalization point of described water fender.
6. chimney cowl according to claim 5, is characterized in that, the triangle of described water fender (20) in oblique lower opening, is divided into the left wing and right wing part of opening in obtuse angle.
7. chimney cowl according to claim 6, is characterized in that, described left wing and right wing part be a rectangular metallic plate length direction center line both sides downward bending 120 °, and cut chamfering preparation.
8. chimney cowl according to claim 1, is characterized in that, the spine of described water fender (20) and the angle of chimney (50) central axis are between 10 ° ~ 60 °;
Described water fender (20) and the distance of throat are 1.2 times of throat diameter, and described water fender (20) projection in the horizontal plane covers throat projection in the horizontal plane.
9. chimney cowl according to any one of claim 1 to 8, is characterized in that, also comprises:
Steadying plate (10), be fixed on the spine of described water fender upwards side, and the side of the oblique top of described water fender is stretched out in this steadying plate (10) oblique upper side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520732451.4U CN205048463U (en) | 2015-09-21 | 2015-09-21 | Chimney cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520732451.4U CN205048463U (en) | 2015-09-21 | 2015-09-21 | Chimney cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205048463U true CN205048463U (en) | 2016-02-24 |
Family
ID=55342038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520732451.4U Expired - Fee Related CN205048463U (en) | 2015-09-21 | 2015-09-21 | Chimney cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205048463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270316A (en) * | 2017-08-07 | 2017-10-20 | 马枭天 | The chimney in adjust automatically direction |
-
2015
- 2015-09-21 CN CN201520732451.4U patent/CN205048463U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270316A (en) * | 2017-08-07 | 2017-10-20 | 马枭天 | The chimney in adjust automatically direction |
| CN107270316B (en) * | 2017-08-07 | 2023-08-18 | 马枭天 | Chimney capable of automatically adjusting direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20160921 |