CN212428913U - Shutter type single-fan air damper - Google Patents
Shutter type single-fan air damper Download PDFInfo
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- CN212428913U CN212428913U CN202020242545.4U CN202020242545U CN212428913U CN 212428913 U CN212428913 U CN 212428913U CN 202020242545 U CN202020242545 U CN 202020242545U CN 212428913 U CN212428913 U CN 212428913U
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Abstract
The utility model discloses a louver type single-fan air damper, belonging to the technical field of mining equipment, comprising a door frame and a door leaf, wherein the upper part of the door leaf is provided with a louver type ventilation window; the method is characterized in that: the louver type ventilation window comprises a window frame, an adjusting part and a transmission part, wherein the adjusting part comprises a preset number of fan plates and connecting shafts which are integrally assembled and welded, the connecting shafts are arranged in the fan plates in a penetrating way and are positioned below the central axis of the fan plates, and limiting blocks positioned on the inner side of the window frame are arranged on one side above the fan plates and above the fan plates; the utility model has the advantages that: the load of rotation is greatly reduced through the speed change gear, the manual rotation of the fan plates is possible, and finally, the fixing pin is used for fixing and positioning, so that the non-return effect of the state is realized; the connecting shaft is asymmetrically arranged on the fan plate, and then wind acts on the fan plate and tightly extrudes the limiting block, so that the non-return effect of the state is well realized, and meanwhile, the sealing effect is increased due to strong wind caused by the structure.
Description
The technical field is as follows:
the utility model belongs to the technical field of mining equipment, more specifically relates to a venetian blind formula single fan air damper.
Background art:
currently, a damper consists of a door frame, a door leaf, a hinge assembly, and the like. The door leaf is formed by assembling and welding steel plates and square pipes, and needs to be ventilated under the required condition in order to meet the ventilation requirement, so that a ventilation window needs to be arranged on the door leaf according to the requirement;
at present, ventilation windows arranged on an air door are generally in two forms, one is the most common push-pull ventilation window, and the other is a side-hung ventilation window; the two air doors are inconvenient to open and close due to underground high-pressure conditions and strong wind environments, the door leaves of the structure are heavy, labor is wasted in manual opening, the labor intensity of workers is increased, the working efficiency is reduced, and particularly, the sliding way of the push-pull type ventilation window is difficult to open due to deformation.
The patent number is 201620271532.3's national utility model discloses a venetian blind type air door, fine solution above problem, and all leaf axle both ends of the device wear to establish respectively corresponding shaft hole on the frame is fixed with a connecting rod on every leaf axle, the other end of connecting rod articulates on the pull rod, the last frame of pull rod, connecting rod and frame, lower frame constitute a parallelogram slewing mechanism, must rely on the motor like this, can't reach fine contrary effect that ends moreover, also can lead to the leakproofness relatively poor simultaneously.
The utility model has the following contents:
in order to solve the problems and overcome the defects of the prior art, the utility model provides a louver type single-fan air damper;
the first technical problem to be solved is that: the existing shutter type air door can be opened only by relying on a motor;
the second technical problem to be solved is that: the existing shutter type air door has poor check effect and sealing performance.
The utility model provides a concrete technical scheme of above-mentioned technical problem does: the louver type single-fan air damper comprises a door frame and a door leaf, wherein a louver type ventilation window is arranged at the upper part of the door leaf; the method is characterized in that: the louver type ventilation window comprises a window frame connected with a door leaf, a preset number of adjusting parts embedded in the window frame and a transmission part arranged in the door leaf,
the adjusting part comprises a preset number of fan plates and connecting shafts which are integrally assembled and welded, the connecting shafts are arranged in the fan plates in a penetrating mode and are positioned below the central axis of the fan plates, and limiting blocks positioned on the inner side of the window frame are arranged on one side above the fan plates and above the fan plates;
the two sides of the connecting shaft are connected with the window frame in a rotary connection mode, one end of the connecting shaft penetrates through the window frame and extends to the transmission part, the end part of the connecting shaft is provided with a chain wheel, the chain wheels between the adjusting parts are connected through a chain, the outer side of the chain wheel of one adjusting part is also provided with a conical gear I, the conical gear I is provided with a conical gear II in a meshing mode, the rotating shaft of the conical gear II is respectively connected with the front end face and the rear end face of the transmission part in a rotary connection mode,
the outer side of the conical gear II is also provided with a gear I which is coaxially arranged, and a gear II is arranged below the conical gear II.
Furthermore, the gear I and the gear II are connected through a chain.
Further, the gear I and the gear II are directly connected in a meshing mode.
Furthermore, the rotating shaft of the gear II is respectively connected with the front end face and the rear end face of the transmission part in a rotating connection mode.
Furthermore, the rotating shaft of the gear II extends to the outer side of the front end face of the transmission part, and a hand wheel is arranged at the end part of the rotating shaft of the gear II.
Furthermore, the hand wheel is provided with a pin hole connected with the outer end face of the transmission part in an inserting manner.
Further, the fan plate is arranged at a predetermined angle to the vertical direction.
The utility model has the advantages that:
the device greatly reduces the rotating load through the speed changing gear, enables the manual rotation of a plurality of fan plates to be possible, and finally utilizes the fixing pin to fix and position, thereby realizing the non-return effect in the state;
the connecting shaft creatively arranged is asymmetrically arranged on the fan plate, so that wind acts on the fan plate and tightly extrudes the limiting block, the non-return effect of the state is well realized, and meanwhile, the sealing effect is increased due to strong wind caused by the structure.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the louver type ventilation window of the present invention;
FIG. 3 is a schematic view of the front view of the louver type ventilation window of the present invention; in the drawings:
1. a door frame; 2. a louvered ventilation window; 3. a door leaf; 4. a hinge; 5. a window frame; 6. a hand wheel; 7. a pin hole; 8. a handle; 9. a transmission section; 11. a connecting shaft; 12. a fan plate; 13. a limiting block; 14. a sprocket; 15, a bevel gear I; 16. a bevel gear II; 17. a gear I; 18. and a gear II.
The specific implementation mode is as follows:
to further clarify the objects, aspects and advantages of the present invention, a more complete description of the invention will now be rendered by reference to figures 1-3. In describing the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model discloses a concrete implementation mode:
the first embodiment is as follows: the louver type single-fan air damper comprises a door frame 1 and a door leaf 3, wherein a louver type ventilation window 2 is arranged at the upper part of the door leaf 3; the method is characterized in that: the louver type ventilation window 2 comprises a window frame 5 connected with a door leaf 3, adjusting parts with preset number embedded in the window frame 5 and a transmission part 9 arranged in the door leaf 3,
the adjusting part comprises a preset number of fan plates 12 and connecting shafts 11 which are integrally assembled and welded, the connecting shafts 11 penetrate through the fan plates 12 and are positioned below the central axis of the fan plates 12, and limiting blocks 13 positioned on the inner side of the window frame 5 are arranged on one side above the fan plates 12 and above the fan plates 12;
the two sides of the connecting shaft 11 are connected with the window frame 5 in a rotating connection mode, one end of the connecting shaft penetrates through the window frame 5 and extends to the transmission part 9, a chain wheel 14 is arranged at the end part of the connecting shaft 11, the chain wheels 14 between the adjusting parts are connected through a chain, a conical gear I15 is further arranged on the outer side of the chain wheel 14 of one adjusting part, a conical gear II 16 is arranged on the conical gear I15 in a meshing mode, the rotating shaft of the conical gear II 16 is respectively connected with the front end face and the rear end face of the transmission part 9 in a rotating connection mode,
a gear I17 which is coaxially arranged is further arranged on the outer side of the conical gear II 16, and a gear II 18 is arranged below the conical gear II 16; the gear I17 is connected with the gear II 18 through a chain, and a rotating shaft of the gear II 18 is respectively connected with the front end face and the rear end face of the transmission part 9 in a rotating connection mode; the rotating shaft of the gear II 18 extends to the outer side of the front end face of the transmission part 9, a hand wheel 6 is arranged at the end part of the rotating shaft of the gear II 18, and the hand wheel 6 is provided with a pin hole 7 connected with the outer end face of the transmission part 9 in an inserting mode.
Example two: the louver type single-fan air damper comprises a door frame 1 and a door leaf 3, wherein a louver type ventilation window 2 is arranged at the upper part of the door leaf 3; the method is characterized in that: the louver type ventilation window 2 comprises a window frame 5 connected with a door leaf 3, adjusting parts with preset number embedded in the window frame 5 and a transmission part 9 arranged in the door leaf 3,
the adjusting part comprises a preset number of fan plates 12 and connecting shafts 11 which are integrally assembled and welded, the connecting shafts 11 penetrate through the fan plates 12 and are positioned below the central axis of the fan plates 12, and limiting blocks 13 positioned on the inner side of the window frame 5 are arranged on one side above the fan plates 12 and above the fan plates 12;
the two sides of the connecting shaft 11 are connected with the window frame 5 in a rotating connection mode, one end of the connecting shaft penetrates through the window frame 5 and extends to the transmission part 9, a chain wheel 14 is arranged at the end part of the connecting shaft 11, the chain wheels 14 between the adjusting parts are connected through a chain, a conical gear I15 is further arranged on the outer side of the chain wheel 14 of one adjusting part, a conical gear II 16 is arranged on the conical gear I15 in a meshing mode, the rotating shaft of the conical gear II 16 is respectively connected with the front end face and the rear end face of the transmission part 9 in a rotating connection mode,
and a gear I17 which is coaxially arranged is further arranged on the outer side of the conical gear II 16, and a gear II 18 is arranged below the conical gear II 16.
The gear I17 and the gear II 18 are directly connected in a meshing mode, and a rotating shaft of the gear II 18 is respectively connected with the front end face and the rear end face of the transmission part 9 in a rotating mode.
The rotating shaft of the gear II 18 extends to the outer side of the front end face of the transmission part 9, and a hand wheel 6 is arranged at the end part of the rotating shaft of the gear II 18; the hand wheel 6 is provided with a pin hole 7 connected with the outer end face of the transmission part 9 in an inserting manner.
It is to be noted that the utility model relates to a shutter type single fan damper, when in operation,
1. when ventilation is not needed, the connecting shaft 11 penetrates through the fan plate 12 and is positioned below the central axis of the fan plate 12, the limiting blocks 13 positioned on the inner side of the window frame 5 are arranged on one side above the fan plate 12 and above the fan plate 12, at the moment, strong wind pressure can act on the fan plate 12, and as the connecting shaft 11 is asymmetrically arranged on the fan plate 12, wind force acts on the fan plate 12 and tightly extrudes the limiting blocks 13, at the moment, the non-return effect of the state is well realized, and meanwhile, the sealing effect is increased due to strong wind force caused by the structure; optimally: the fan plate is arranged at a preset angle with the vertical direction, so that the sealing effect is further improved.
2. When ventilation is needed, the hand wheel 6 is shaken manually, at the moment, the hand wheel 6 drives the gear II 18 to rotate and transmit the rotation to the gear I17 through a certain gear ratio, the coaxial conical gear II 16 is driven to rotate and drives the conical gear I15 in the other direction to rotate through meshing,
the rotation of the conical gear I15 drives the chain wheel 14 to rotate, so as to drive the fan plates 12 to overcome strong wind power and dead weight to rotate, the connecting shaft 11 penetrates through the fan plates 12 and is positioned below the central axis of the fan plates 12, and the point is not easy to be excessively positioned at the end part, so that the rotating load is increased;
at this time, the load of rotation is greatly reduced by the speed change gear, so that it is possible to manually rotate the plurality of sector plates 12, and finally, the fixing and positioning are performed by the fixing pins, thereby achieving the effect of non-return in this state.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A louver type single-fan air damper comprises a door frame (1) and a door leaf (3), wherein a louver type ventilation window (2) is arranged on the upper part of the door leaf (3); the method is characterized in that: the shutter type ventilation window (2) comprises a window frame (5) connected with a door leaf (3), a preset number of adjusting parts embedded in the window frame (5) and a transmission part (9) arranged in the door leaf (3),
the adjusting part comprises a preset number of fan plates (12) and connecting shafts (11) which are integrally assembled and welded, the connecting shafts (11) penetrate through the fan plates (12) and are positioned below the central axis of the fan plates (12), and limiting blocks (13) positioned on the inner side of the window frame (5) are arranged on one side above the fan plates (12) and above the fan plates (12);
the two sides of the connecting shaft (11) are connected with the window frame (5) in a rotating connection mode, one end of the connecting shaft penetrates through the window frame (5) and extends to the transmission part (9), a chain wheel (14) is arranged at the end part of the connecting shaft (11), the chain wheels (14) between the adjusting parts are connected through a chain, a conical gear I (15) is further arranged on the outer side of the chain wheel (14) of one adjusting part, a conical gear II (16) is arranged on the conical gear I (15) in a meshing mode, and the rotating shaft of the conical gear II (16) is connected with the front end face and the rear end face of the transmission part (9) in a rotating connection mode respectively,
a gear I (17) which is coaxially arranged is further arranged on the outer side of the conical gear II (16), and a gear II (18) is arranged below the conical gear II (16).
2. The shutter type single fan damper as claimed in claim 1, wherein the gear i (17) and the gear ii (18) are connected by a chain.
3. A louvered single-fan damper as claimed in claim 1, wherein said gear i (17) and said gear ii (18) are directly connected by meshing engagement.
4. The louver type single-fan air damper as claimed in claim 2 or 3, wherein the rotating shaft of the gear II (18) is respectively connected with the front end face and the rear end face of the transmission part (9) in a rotating connection manner.
5. The louver type single-fan air damper as claimed in claim 4, wherein the rotating shaft of the gear II (18) extends to the outer side of the front end face of the transmission part (9), and the end part of the rotating shaft of the gear II (18) is provided with a hand wheel (6).
6. The louver type single-fan air damper as claimed in claim 5, wherein the hand wheel (6) is provided with a pin hole (7) which is connected with the outer end face of the transmission part (9) in an inserting manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020242545.4U CN212428913U (en) | 2020-03-03 | 2020-03-03 | Shutter type single-fan air damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020242545.4U CN212428913U (en) | 2020-03-03 | 2020-03-03 | Shutter type single-fan air damper |
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| Publication Number | Publication Date |
|---|---|
| CN212428913U true CN212428913U (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020242545.4U Active CN212428913U (en) | 2020-03-03 | 2020-03-03 | Shutter type single-fan air damper |
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| Country | Link |
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| CN (1) | CN212428913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279804A (en) * | 2021-06-22 | 2021-08-20 | 中国矿业大学 | Mining accurate adjustment position control air window and control method |
-
2020
- 2020-03-03 CN CN202020242545.4U patent/CN212428913U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279804A (en) * | 2021-06-22 | 2021-08-20 | 中国矿业大学 | Mining accurate adjustment position control air window and control method |
| CN113279804B (en) * | 2021-06-22 | 2022-08-02 | 中国矿业大学 | Mining accurate adjustment position control air window and control method |
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