CN207935455U - A kind of collapsible cigarette air channel barrier - Google Patents
A kind of collapsible cigarette air channel barrier Download PDFInfo
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- CN207935455U CN207935455U CN201721299425.2U CN201721299425U CN207935455U CN 207935455 U CN207935455 U CN 207935455U CN 201721299425 U CN201721299425 U CN 201721299425U CN 207935455 U CN207935455 U CN 207935455U
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- blade
- rotating shaft
- pair
- guide rails
- cylindrical shell
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- 230000004888 barrier function Effects 0.000 title claims abstract description 24
- 235000019504 cigarettes Nutrition 0.000 title abstract description 12
- 239000000779 smoke Substances 0.000 claims description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000003546 flue gas Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
A kind of collapsible cigarette air channel barrier is disclosed, technical field of petrochemical industry is belonged to.It includes cylindrical case, shaft, three blades, a pair of guide rails, second pair of guide rail.The radial direction of cylindrical case is in rectangular configuration；Shaft is arranged in wherein one corresponding two side of cylindrical case；First blade, which is axially fixed, is connected to shaft；Second blade is articulated with the first part of the first blade in an axial direction, and third blade is articulated with the second part of the first blade in an axial direction, and the second blade and third blade are in the heteropleural of shaft；A pair of guide rails is arranged in correspondence with first part's homonymy in the first blade, and second pair of guide rail is arranged in correspondence with the second part homonymy in the first blade, on the extended line for the diameter that a pair of guide rails and second pair of guide rail are in shaft；When the second blade, third blade are rotated to when being in same plane with the first blade, the area of combined planar is equal to the fretwork area of cylindrical case.Its keying is flexible, rotating torque is small, and when in the closed position, sealing effect is good.
Description
Technical Field
The utility model relates to a mechanical structure technical field especially relates to a foldable flue baffle.
Background
The baffle plate of the flue gas duct is a device for adjusting the flow in a chimney or a flue gas duct in the industries of petroleum, chemical industry, electric power, metallurgy, home decoration and the like. At present, the used baffle of petrochemical industry waste heat recovery system flue is mostly a monoblock blade, and the shared space of baffle structure is great, and the baffle rotates required moment great. The problem caused by large baffle rotating moment is that an actuator with higher cost and larger volume is required to operate, and a larger gas tank is additionally arranged as auxiliary gas source power equipment for equipment failure when necessary.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a foldable flue baffle, it is opened and close in the application in a flexible way, turning moment is little to, when it is in the closed condition, it is sealed effectual. Thereby being more practical.
In order to achieve the above object, the utility model provides a foldable cigarette wind channel baffle's technical scheme as follows:
the utility model provides a folding type smoke and air duct baffle which comprises a cylindrical shell (7), a rotating shaft (1), a first blade (2), a second blade (11a), a third blade (11b), a first pair of guide rails (21a) and a second pair of guide rails (21b),
the radial direction of the cylindrical shell (7) is of a rectangular structure;
the rotating shaft (1) penetrates through one of two corresponding side walls (23a) and (23b) of the cylindrical shell (7);
the first blade (2) is fixedly connected to the rotating shaft (1) along the axial direction, and the first blade (2) is divided into a first part and a second part by the rotating shaft (1);
the second blade (11a) is hinged to a first part of the first blade (2) along the axial direction, the third blade (11b) is hinged to a second part of the first blade (2) along the axial direction, and the second blade (11a) and the third blade (11b) are positioned on different sides of the rotating shaft (1);
the first pair of guide rails (21a) are correspondingly arranged on the same side of the first part of the first blade (2), the second pair of guide rails are correspondingly arranged on the same side of the second part of the first blade (2), the first pair of guide rails (21a) and the second pair of guide rails (21b) are respectively positioned on an extension line of the diameter of the rotating shaft (1), and the first pair of guide rails (21a) and the second pair of guide rails (21b) are respectively vertical to the inner wall surface of the cylindrical shell (7);
when the second blade (11a) and the third blade (11b) rotate to be in the same plane with the first blade (2), the area of a combined plane formed by the first blade (2), the second blade (11a) and the third blade (11b) is equal to the hollow area of the cylindrical shell (7).
The utility model provides a foldable flue baffle still can adopt following technical measure to further realize.
Preferably, the foldable smoke duct baffle further comprises a first connector (5a) and a second connector (5b),
the first connecting piece (5a) is fixedly connected to one end edge of the cylindrical shell (7);
the second connecting piece (5b) is fixedly connected to the edge of the other end of the cylindrical shell (7);
the cylindrical housing (7) can be connected to the outside by the first connection piece (5a) and the second connection piece (5 b).
As a preference, the first and second liquid crystal compositions are,
the first connecting piece (5a) is positioned in the radial direction of one end of the cylindrical shell (7), and a plurality of first penetrating holes (6a) are uniformly distributed in the first connecting piece (5 a);
the second connecting piece (5b) is located in the radial direction of the other end of the cylindrical shell (7), and a plurality of second penetrating holes (6b) are uniformly distributed in the second connecting piece (5 b).
Preferably, the foldable flue damper further comprises a first barrier sheet (22a) and a second barrier sheet (22b),
the first baffle plate (22a) and the second baffle plate (22b) are respectively arranged on the other corresponding side wall of the cylindrical shell (7), the first baffle plate (22a) and the second baffle plate (22b) are respectively parallel to the rotating shaft (1) and perpendicular to the inner wall surface of the cylindrical shell (7), in addition, two ends of the first baffle plate (22a) are respectively lapped on two tail end points of the first pair of guide rails (21a), and two ends of the second baffle plate (22b) are respectively lapped on tail end points of the second pair of guide rails (21 b).
Preferably, the foldable flue baffle further comprises a first barrier (4a) and a second barrier (4b),
the first blocking piece (4a) is fixedly connected with the free end of the first part of the first blade (2) along the axial direction of the rotating shaft (1) and extends out of a hinge point (12a) of the second blade (11a) and the first blade (2) to form a first extending end (25a),
the second blocking piece (4b) is fixedly connected with the free end of the second part of the first blade (2) along the axial direction of the rotating shaft (1) and extends out of a hinge point (12b) of the third blade (11b) and the second blade (2) to form a second extending end (25b),
the first barrier (4a) and the first protruding end (25a) have a first step (24a) therebetween, the first step (24a) having a height equal to the thickness of the second blade (11a),
the second blocking piece (4b) and the second protruding end (25b) are provided with a second step (24b), and the height of the second step (24b) is the same as the thickness of the third blade (11 b).
As a preference, the first and second liquid crystal compositions are,
the rotating shaft (1) is provided with two gaps along the axial direction, the two gaps are positioned on the same plane, the first blade (2) penetrates between the two gaps and is fixed between the two gaps through a bolt (3), the head (16) of the bolt (3) is positioned outside one end of the rotating shaft (1) with one diameter, a stud (15) of the bolt (3) penetrates in the rotating shaft (1), and a surplus part is arranged outside the other end of the rotating shaft (1) with one diameter; or,
the first blade (2) comprises a first wing plate (27a), a second wing plate (27b) and a sleeve (28), wherein the first wing plate (27a) is fixedly connected to the sleeve (28) through one side edge, the second wing plate (27b) is fixedly connected to the sleeve (28) through one side edge, and the sleeve (28) is fixedly sleeved on the rotating shaft (1), so that when the rotating shaft (1) rotates, the sleeve (28) can be driven by the rotating shaft (1) to rotate, and then the first wing plate (27a) and the second wing plate (27b) are driven to rotate clockwise or anticlockwise by taking the sleeve (28) as a rotating center.
Preferably, the foldable smoke duct baffle further comprises a first sliding shaft (14a) and a second sliding shaft (14b),
the first sliding shaft (14a) being connected to the free end of the second vane (11a) in the radial direction,
the second sliding shaft (14b) is connected to the free end of the third vane (11b) in the radial direction.
As a preference, the first and second liquid crystal compositions are,
the first sliding shaft (14a) is provided with two remaining ends on two sides of the second blade (11a) in the length direction;
and the second sliding shaft (14b) is provided with residual ends at two sides of the third blade (11b) in the length direction.
Preferably, the axis of rotation (1) is on the axis of symmetry of the first blade (2).
Preferably, the folding type smoke air duct baffle further comprises a pointer (17), a dial (19) and a scale area (18),
the pointer (17) is fixedly connected with the rotating shaft (1),
the scale area (18) is fixedly arranged on the dial (19),
the dial (19) is fixedly connected with the outside through a connecting disc (26) fixedly connected with the dial;
the pointer (17) is aligned with the scale region (18).
Use the utility model provides an in-process of foldable cigarette wind channel baffle, when pivot 1 anticlockwise rotation, first blade 2 follows pivot 1 anticlockwise rotation together, and then drives second blade 11a and third blade 11b and move together, when first pivot 1 anticlockwise movement arrives extreme position, first blade 2, second blade 11a and third blade 11b spread out, and under the restriction of first pair of guide rail 21a and second pair of guide rail 21b, cover the fretwork area of tube-shape shell 7 completely, at this moment, tube-shape shell 7 is blocked up at radial passageway completely; when pivot 1 clockwise turning, first blade 2 follows pivot 1 clockwise turning together, and then drives second blade 11a and third blade 11b and move together, the radial gap that appears of tube-shape shell 7 can supply the flue gas to pass through, when pivot 1 clockwise turning to extreme position, first blade 2, the radial of the equal perpendicular to tube-shape shell 7 of second blade 11a and third blade 11b, the fretwork area of tube-shape shell 7 is the biggest, at this moment, the area of passing through of flue gas also reaches the biggest. Therefore, the utility model provides a foldable cigarette wind channel baffle only needs clockwise or anticlockwise rotation effort to be applyed to countershaft 1 in the application, can realize opening and close, consequently, it is opened and close in a flexible way, turning moment is little to, when it is in the closed condition, sealed effectual. And, the utility model provides a folding blade that folding cigarette wind channel baffle formed for articulated, the shared space of blade is little during the baffle switching, the arrangement of instrument on the cigarette wind channel of being convenient for and baffle connection. Furthermore, because the utility model provides a foldable cigarette wind channel baffle rotates required moment little, so to the requirement reduction of executor, can reduce executor cost and shared space.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic view of a typical directional three-dimensional structure of a foldable flue duct baffle according to an embodiment of the present invention;
fig. 2 is a schematic view of another typical directional three-dimensional structure of a foldable flue duct baffle according to an embodiment of the present invention;
FIG. 3 is a schematic view of a typical directional perspective structure of the cylindrical shell of FIG. 1 with the cylindrical shell removed;
FIG. 4 is a schematic perspective view of the exemplary orientation of the cartridge housing of FIG. 2 with the cartridge housing removed;
fig. 5 is a schematic view of a matching relationship among a first blade, a second blade and a third blade in the foldable smoke and air duct baffle according to the embodiment of the present invention, and a matching relationship among a pointer, a dial and a scale area;
FIG. 6 is a schematic top view of the structure of FIG. 4 with parts removed;
FIG. 7 is a schematic structural view after turning FIG. 6 upside down by 180 degrees;
FIG. 8 is a schematic representation of a further exemplary directional perspective of FIG. 6;
fig. 9a is a schematic view of a first matching relationship among a first blade, a second blade, a third blade and a rotating shaft in a foldable smoke duct baffle according to an embodiment of the present invention;
fig. 9b is a schematic view of a second matching relationship among the first blade, the second blade, the third blade and the rotating shaft in the foldable smoke and air duct baffle according to the embodiment of the present invention;
FIG. 10 is an enlarged partial view of portion A of FIG. 5;
fig. 11 is a partially enlarged structural view of a portion B in fig. 8.
Detailed Description
The utility model discloses a solve the problem that prior art exists, provide a foldable flue baffle, it is opened and close in the application in a flexible way, turning moment is little to, when it is in the closed condition, it is sealed effectual. Thereby being more practical.
To further illustrate the technical means and effects of the present invention for achieving the objects of the present invention, the following detailed description of the foldable smoke duct baffle according to the present invention, its specific embodiments, structures, features and effects will be made with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, with the specific understanding that: both a and B may be included, a may be present alone, or B may be present alone, and any of the three cases can be provided.
Referring to fig. 1 to 11, the foldable smoke and air duct baffle provided by the embodiment of the present invention comprises a cylindrical housing 7, a rotating shaft 1, a first blade 2, a second blade 11a, a third blade 11b, a first pair of guide rails 21a, and a second pair of guide rails 21 b. The radial direction of the cylindrical shell 7 is of a rectangular structure; the rotating shaft 1 penetrates through one of the two corresponding side walls 23a and 23b of the cylindrical shell 7; the first blade 2 is fixedly connected to the rotating shaft 1 along the axial direction, and the first blade 2 is divided into a first part and a second part by the rotating shaft 1; the second blade 11a is hinged to the first part of the first blade 2 along the axial direction, the third blade 11b is hinged to the second part of the first blade 2 along the axial direction, and the second blade 11a and the third blade 11b are positioned on different sides of the rotating shaft 1; the first pair of guide rails 21a are correspondingly arranged on the same side of the first part of the first blade 2, the second pair of guide rails are correspondingly arranged on the same side of the second part of the first blade 2, the first pair of guide rails 21a and the second pair of guide rails 21b are respectively positioned on the extension line of the diameter of the rotating shaft 1, and the first pair of guide rails 21a and the second pair of guide rails 21b are respectively vertical to the inner wall surface of the cylindrical shell 7; when the second blade 11a and the third blade 11b rotate to be in the same plane with the first blade 2, the area of the combined plane formed by the first blade 2, the second blade 11a and the third blade 11b is equal to the hollow area of the cylindrical shell 7.
Use the utility model provides an in-process of foldable cigarette wind channel baffle, when pivot 1 anticlockwise rotation, first blade 2 follows pivot 1 anticlockwise rotation together, and then drives second blade 11a and third blade 11b and move together, when first pivot 1 anticlockwise movement arrives extreme position, first blade 2, second blade 11a and third blade 11b spread out, and under the restriction of first pair of guide rail 21a and second pair of guide rail 21b, cover the fretwork area of tube-shape shell 7 completely, at this moment, tube-shape shell 7 is blocked up at radial passageway completely; when pivot 1 clockwise turning, first blade 2 follows pivot 1 clockwise turning together, and then drives second blade 11a and third blade 11b and move together, the radial gap that appears of tube-shape shell 7 can supply the flue gas to pass through, when pivot 1 clockwise turning to extreme position, first blade 2, the radial of the equal perpendicular to tube-shape shell 7 of second blade 11a and third blade 11b, the fretwork area of tube-shape shell 7 is the biggest, at this moment, the area of passing through of flue gas also reaches the biggest. Therefore, the utility model provides a foldable cigarette wind channel baffle only needs clockwise or anticlockwise rotation effort to be applyed to countershaft 1 in the application, can realize opening and close, consequently, it is opened and close in a flexible way, turning moment is little to, when it is in the closed condition, sealed effectual.
The folding type smoke duct baffle further comprises a first connecting piece 5a and a second connecting piece 5 b. The first connecting piece 5a is fixedly connected to one end edge of the cylindrical shell 7; the second connecting piece 5b is fixedly connected to the edge of the other end of the cylindrical shell 7; the cylindrical housing 7 can be connected to the outside by the first connection member 5a and the second connection member 5 b. Under the condition, the embodiment of the utility model provides a foldable cigarette wind channel baffle can easily be connected to the outside through first connecting piece 5a and second connecting piece 5b, its simple structure.
The first connecting piece 5a is positioned in the radial direction of one end of the cylindrical shell 7, and a plurality of first through holes 6a are uniformly distributed on the first connecting piece 5 a; the second connecting piece 5b is positioned in the radial direction of the other end of the cylindrical shell 7, and a plurality of second through holes 6b are uniformly distributed on the second connecting piece 5 b. Under this condition, because first perforation 6a equipartition on first connecting piece 5a to, second perforation 6b equipartition on second connecting piece 5b, when being connected to the outside through first connecting piece 5a and second connecting piece 5b, the junction atress is even, consequently, can guarantee that the linkage effect is more stable.
The foldable flue duct baffle further includes a first barrier sheet 22a and a second barrier sheet 22 b. The first and second barrier pieces 22a and 22b are respectively disposed on the other corresponding side wall of the cylindrical housing 7, the first and second barrier pieces 22a and 22b are respectively parallel to the rotating shaft 1 and perpendicular to the inner wall surface of the cylindrical housing 7, and both ends of the first barrier piece 22a are respectively overlapped on both end points of the first pair of guide rails 21a, and both ends of the second barrier piece 22b are respectively overlapped on end points of the second pair of guide rails 21 b. In this case, when the rotating shaft 1 rotates counterclockwise to the limit position, due to the existence of the first barrier rib 22a and the second barrier rib 22b, it can be ensured that no gap exists between the end portions of the second blade 11a and the third blade 11b and the inner wall of the housing 7, and therefore, the sealing effect of the hollow-out of the cylindrical housing 7 after the first blade 2, the second blade 11a and the third blade 11b are combined can be further ensured.
Wherein the folding flue damper further comprises a first barrier 4a and a second barrier 4 b. The first blocking member 4a is fixedly connected to the free end of the first portion of the first blade 2 along the axial direction of the rotating shaft 1 and extends out of a hinge point 12a of the second blade 11a and the first blade 2 to form a first extending end 25 a. The second blocking member 4b is fixedly connected to the free end of the second portion of the first blade 2 along the axial direction of the rotating shaft 1 and extends out of a hinge point 12b of the third blade 11b and the second blade 2 to form a second extending end 25 b. The first barrier 4a and the first protruding end 25a have a first step 24a therebetween, and the height of the first step 24a is the same as the thickness of the second vane 11 a. Second barrier 4b has a second step 24b between second protruding end 25b, and the height of second step 24b is the same as the thickness of third blade 11 b. In this case, when the rotating shaft 1 moves counterclockwise to the extreme position, the first blade 2, the second blade 11a and the third blade 11b are located on the same plane together as much as possible, and gaps are prevented from occurring at the connection positions of the first blade 2 and the second blade 11a and the connection positions of the first blade 2 and the third blade 11b, so that the hollow-out sealing effect of the cylindrical shell 7 after the first blade 2, the second blade 11a and the third blade 11b are combined is further ensured.
The second matching relationship among the first blade 2, the second blade 11a, the third blade 11b and the rotating shaft 1 can be realized in two ways:
the first mode is as follows: referring to fig. 9a, the rotating shaft 1 is provided with two gaps along the axial direction, the two gaps are located on the same plane, the first blade 2 is inserted between the two gaps and fixed between the two gaps through the bolt 3, the head 16 of the bolt 3 is located outside one end of the rotating shaft 1 with one diameter, the stud 15 of the bolt 3 is inserted in the rotating shaft 1, and a surplus part is arranged outside the other end of the rotating shaft 1 with one diameter; or,
the second mode is as follows: referring to fig. 9b, the first blade 2 includes a first wing plate 27a, a second wing plate 27b and a sleeve 28, the first wing plate 27a is fixedly connected to the sleeve 28 through one side edge, the second wing plate 27b is fixedly connected to the sleeve 28 through one side edge, and the sleeve 28 is fixedly sleeved on the rotating shaft 1, so that when the rotating shaft 1 rotates, the sleeve 28 can be driven by the rotating shaft 1 to rotate, and further the first wing plate 27a and the second wing plate 27b are driven to rotate clockwise or counterclockwise by taking the sleeve 28 as a rotation center. In this embodiment, the first wing plate 27a, the second wing plate 27b and the sleeve 28 can be integrally formed, and in this case, because there is no mechanical connection interface between the first wing plate 27a, the second wing plate 27b and the sleeve 28, therefore, the possibility that the first wing plate 27a and the second wing plate 27b are broken at the connection with the sleeve 28 can be reduced, and the service life of the foldable smoke duct baffle provided by the embodiment of the present invention is further improved.
Wherein, foldable flue duct baffle still includes first slide axle 14a and second slide axle 14 b. The first sliding shaft 14a is connected to the free end of the second vane 11a in the radial direction, and the second sliding shaft 14b is connected to the free end of the third vane 11b in the radial direction. In this case, during the sliding of the second blade 11a along the first pair of rails 21a, the contact between the second blade 11a and the first pair of rails 21a is a rounded contact; similarly, when third blade 11b along the gliding in-process of second pair of guide rail 21b, this third blade 11b also is the fillet contact with to the contact between two pairs of guide rails 21b, consequently, can reduce second blade 11a and third blade 11b to second blade 11a, third blade 11b, first pair of guide rail 21a and the wearing and tearing of second pair of guide rail 21b in the slip in-process, it can enough guarantee first blade 2, the sealed effect of second blade 11a and third blade 11b combination back to 7 fretworks of tube-shape shell, also can prolong the embodiment of the utility model provides a service life of foldable flue gas duct baffle.
Wherein, the first sliding shaft 14a has two remaining ends at both sides of the second blade 11a in the length direction; the second sliding shaft 14b has remaining ends at both sides of the third blade 11b in the length direction. In this case, the second blade 11a and the third blade 11b can be made more convenient during the sliding.
Wherein the rotating shaft 1 is on the symmetry axis of the first blade 2. Under this condition, pivot 1 just passes the center department of tube-shape shell 7 for constitute after first blade 2, second blade 11a and third blade 11b combine to use pivot 1 as the axisymmetric figure of symmetry axle, can guarantee the embodiment of the utility model provides a foldable cigarette wind channel baffle atress is balanced.
Wherein, the folding flue duct baffle further comprises a pointer 17, a dial 19 and a scale area 18. The pointer 17 is fixedly connected with the rotating shaft 1, the scale area 18 is fixedly arranged on the dial 19, and the dial 19 is fixedly connected with the outside through a connecting disc 26 fixedly connected with the dial; the pointer 17 is aligned with the scale area 18. In this case, the rotation angle of the rotating shaft 1 can be known by the scale of the rotation of the pointer 17.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A folding type smoke air duct baffle is characterized by comprising a cylindrical shell (7), a rotating shaft (1), a first blade (2), a second blade (11a), a third blade (11b), a first pair of guide rails (21a) and a second pair of guide rails (21b),
the radial direction of the cylindrical shell (7) is of a rectangular structure;
the rotating shaft (1) penetrates through one of two corresponding side walls (23a) and (23b) of the cylindrical shell (7);
the first blade (2) is fixedly connected to the rotating shaft (1) along the axial direction, and the first blade (2) is divided into a first part and a second part by the rotating shaft (1);
the second blade (11a) is hinged to a first part of the first blade (2) along the axial direction, the third blade (11b) is hinged to a second part of the first blade (2) along the axial direction, and the second blade (11a) and the third blade (11b) are positioned on different sides of the rotating shaft (1);
the first pair of guide rails (21a) are correspondingly arranged on the same side of the first part of the first blade (2), the second pair of guide rails are correspondingly arranged on the same side of the second part of the first blade (2), the first pair of guide rails (21a) and the second pair of guide rails (21b) are respectively positioned on an extension line of the diameter of the rotating shaft (1), and the first pair of guide rails (21a) and the second pair of guide rails (21b) are respectively vertical to the inner wall surface of the cylindrical shell (7);
when the second blade (11a) and the third blade (11b) rotate to be in the same plane with the first blade (2), the area of a combined plane formed by the first blade (2), the second blade (11a) and the third blade (11b) is equal to the hollow area of the cylindrical shell (7).
2. The folding flue duct baffle of claim 1, further comprising a first connector (5a) and a second connector (5b),
the first connecting piece (5a) is fixedly connected to one end edge of the cylindrical shell (7);
the second connecting piece (5b) is fixedly connected to the edge of the other end of the cylindrical shell (7);
the cylindrical housing (7) can be connected to the outside by the first connection piece (5a) and the second connection piece (5 b).
3. The foldable flue gas duct baffle of claim 2,
the first connecting piece (5a) is positioned in the radial direction of one end of the cylindrical shell (7), and a plurality of first penetrating holes (6a) are uniformly distributed in the first connecting piece (5 a);
the second connecting piece (5b) is located in the radial direction of the other end of the cylindrical shell (7), and a plurality of second penetrating holes (6b) are uniformly distributed in the second connecting piece (5 b).
4. The folding flue duct baffle of claim 1, further comprising a first barrier sheet (22a) and a second barrier sheet (22b),
the first baffle plate (22a) and the second baffle plate (22b) are respectively arranged on the other corresponding side wall of the cylindrical shell (7), the first baffle plate (22a) and the second baffle plate (22b) are respectively parallel to the rotating shaft (1) and perpendicular to the inner wall surface of the cylindrical shell (7), in addition, two ends of the first baffle plate (22a) are respectively lapped on two tail end points of the first pair of guide rails (21a), and two ends of the second baffle plate (22b) are respectively lapped on tail end points of the second pair of guide rails (21 b).
5. The folding flue duct baffle of claim 1, further comprising a first barrier (4a) and a second barrier (4b),
the first blocking piece (4a) is fixedly connected with the free end of the first part of the first blade (2) along the axial direction of the rotating shaft (1) and extends out of a hinge point (12a) of the second blade (11a) and the first blade (2) to form a first extending end (25a),
the second blocking piece (4b) is fixedly connected with the free end of the second part of the first blade (2) along the axial direction of the rotating shaft (1) and extends out of a hinge point (12b) of the third blade (11b) and the second blade (2) to form a second extending end (25b),
the first barrier (4a) and the first protruding end (25a) have a first step (24a) therebetween, the first step (24a) having a height equal to the thickness of the second blade (11a),
the second blocking piece (4b) and the second protruding end (25b) are provided with a second step (24b), and the height of the second step (24b) is the same as the thickness of the third blade (11 b).
6. The foldable flue duct baffle of claim 1,
the rotating shaft (1) is provided with two gaps along the axial direction, the two gaps are positioned on the same plane, the first blade (2) penetrates through the two gaps and is fixed between the two gaps through a bolt (3), the head (16) of the bolt (3) is positioned outside one end of the rotating shaft (1) with one diameter, the stud (15) of the bolt (3) penetrates through the rotating shaft (1), and the outer part of the other end of the rotating shaft (1) with one diameter is provided with a surplus part; or,
first blade (2) include first pterygoid lamina (27a), second pterygoid lamina (27b) and sleeve (28), first pterygoid lamina (27a) through one of them side fixed connection in sleeve (28), second pterygoid lamina (27b) through one of them side fixed connection in sleeve (28), sleeve (28) fixed cover is located pivot (1), sleeve (28) and pivot (1) are connected through bolt (3), make when pivot (1) is rotatory, sleeve (28) can by pivot (1) drive is rotatory, and then drive first pterygoid lamina (27a), second pterygoid lamina (27b) with sleeve (28) are the centre of rotation clockwise or anticlockwise rotation.
7. The folding flue duct baffle of claim 1, further comprising a first sliding axle (14a) and a second sliding axle (14b),
the first sliding shaft (14a) being connected to the free end of the second vane (11a) in the radial direction,
the second sliding shaft (14b) is connected to the free end of the third vane (11b) in the radial direction.
8. The foldable flue gas duct baffle of claim 7,
the first sliding shaft (14a) is provided with two remaining ends on two sides of the second blade (11a) in the length direction;
and the second sliding shaft (14b) is provided with residual ends at two sides of the third blade (11b) in the length direction.
9. The folding flue duct baffle of claim 1, wherein the axis of rotation (1) is on the axis of symmetry of the first blade (2).
10. The folding flue duct baffle of claim 1, further comprising a pointer (17), a dial (19), and a scale field (18),
the pointer (17) is fixedly connected with the rotating shaft (1),
the scale area (18) is fixedly arranged on the dial (19),
the dial (19) is fixedly connected with the outside through a connecting disc (26) fixedly connected with the dial;
the pointer (17) is aligned with the scale region (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299425.2U CN207935455U (en) | 2017-10-10 | 2017-10-10 | A kind of collapsible cigarette air channel barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299425.2U CN207935455U (en) | 2017-10-10 | 2017-10-10 | A kind of collapsible cigarette air channel barrier |
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| Publication Number | Publication Date |
|---|---|
| CN207935455U true CN207935455U (en) | 2018-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721299425.2U Active CN207935455U (en) | 2017-10-10 | 2017-10-10 | A kind of collapsible cigarette air channel barrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081191A (en) * | 2019-03-14 | 2019-08-02 | 江苏顺达机械设备有限公司 | A kind of ventilation valve with anti-aging function for exhaust gas discharge |
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2017
- 2017-10-10 CN CN201721299425.2U patent/CN207935455U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081191A (en) * | 2019-03-14 | 2019-08-02 | 江苏顺达机械设备有限公司 | A kind of ventilation valve with anti-aging function for exhaust gas discharge |
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