CN203892224U - Exhaust fan preventing pests from flying into room - Google Patents
Exhaust fan preventing pests from flying into room Download PDFInfo
- Publication number
- CN203892224U CN203892224U CN201420297557.1U CN201420297557U CN203892224U CN 203892224 U CN203892224 U CN 203892224U CN 201420297557 U CN201420297557 U CN 201420297557U CN 203892224 U CN203892224 U CN 203892224U
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- CN
- China
- Prior art keywords
- installation shaft
- air door
- rolling wheel
- exhaust duct
- returnning spring
- 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 relates to an exhaust fan preventing pests from flying into a room. The exhaust fan is characterized by comprising a shell, an exhaust pipe, a wind wheel assembly, a ventilation door structure and a driving structure, wherein an air inlet of the exhaust pipe is connected and communicated with an air outlet pipe of the shell, the wind wheel assembly is installed in an air outlet channel of the shell, the ventilation door structure is rotatably installed at an exhaust outlet of the exhaust pipe, and the driving structure drives the ventilation door structure to rotate so that the exhaust outlet can be opened or closed. The exhaust fan has the advantages that the pests and rainwater can be effectively prevented from entering the room, the exhaust fan operates reliably, and the exhaust outlet can be automatically opened or closed conveniently and cannot be opened by the wind when the exhaust fan does not operate.
Description
Technical field
The utility model relates to the ventilating fan that pest control enters.
Background technique
Ventilating fan uses very extensive, and each family and hotel room all can be used ventilating fan.The ventilating fan that has at present pest control to enter, it comprises housing, wind wheel and louver window, louver window is arranged on the exhaust outlet place of housing; During work, wind wheel rotates, and louver window is blown open, and wind wheel is discharged to outdoor by indoor air; While not working, wind wheel does not rotate, and louver window cuts out under the effect of self gravitation, but when the wind of outside is larger, louver window also can be opened, and insect and rainwater can enter indoor.
Summary of the invention
The purpose of this utility model is overcome the deficiencies in the prior art and provide that a kind of can effectively to prevent that insect and rainwater from carrying out indoor, the ventilating fan that the pest control of reliable operation enters.
In order to achieve the above object, the utility model is achieved in that it is the ventilating fan that a kind of pest control enters, and is characterized in that comprising:
Housing, exhaust duct and wind wheel; The wind inlet of described exhaust duct is connected and is communicated with the air outlet tube of housing, and described wind wheel is arranged in the air-out passage of housing;
Throttle structure; The exhaust port place that is arranged on exhaust duct that described throttle structure rotates; And
Driving structure; Thereby described driving structure drives throttle structure to rotate exhaust port is opened or closed.
Described exhaust duct is downward-sloping, and the angle of its inclination is a, 0 o≤a≤50o.
Described driving structure comprises rotary electric machine, active rolling wheel, driven rolling wheel and serving; Described rotary electric machine and all active rolling wheel are arranged in housing, and rotary electric machine drives initiatively rolling wheel to rotate; Corresponding both sides in described exhaust duct are respectively equipped with the first installation shaft and the second installation shaft, what described driven rolling wheel rotated is arranged in the first installation shaft, described serving is arranged on active rolling wheel and driven rolling wheel, what rotated at the two ends of described throttle structure is arranged in the first installation shaft and the second installation shaft, and driven rolling wheel can drive throttle structure to rotate.
Described throttle structure comprises the first air door, the second air door, the first Returnning spring and the second Returnning spring; Described the first air door and the second air door are all curved, and the first air door and the second air door after launching are closed the exhaust port of exhaust duct; At the two ends of the first air door, be respectively equipped with driving casing and the first axle sleeve, on described driving casing, be provided with arc chute, on described driven rolling wheel, be provided with turning lever, described driving casing is set in the first installation shaft also rotatable, and described the first axle sleeve is set in the second installation shaft also rotatable; At the two ends of the second air door, be respectively equipped with sliding set and the second axle sleeve, on described sliding set, be provided with slide block, sliding set is set in the first installation shaft also rotatable, and described turning lever passes arc chute and leans with slide block, and the second axle sleeve is set in the second installation shaft also rotatable; Described the first Returnning spring is located in the first installation shaft, and one end of the first Returnning spring is connected with the first installation shaft, and the other end of the first Returnning spring is connected with sliding set; Described the second Returnning spring is located in the second installation shaft, and one end of the second Returnning spring is connected with the second installation shaft, and the other end of the second Returnning spring is connected with the second axle sleeve.
Described the first installation shaft and the second installation shaft are all with flexible enlarging; In the first installation shaft, be provided with the first positive stop lug boss, described the first positive stop lug boss restriction driving casing and sliding set move axially; In the second installation shaft, be provided with the second positive stop lug boss, described the second positive stop lug boss limits the first axle sleeve and the second axle sleeve moves axially.
At the exhaust port place of described exhaust duct, be provided with the first interior flanging bending inwards, on the inwall of exhaust duct, be provided with the convex edge that can coordinate with the second air door; In a side of described the first air door, be provided with the first outer flanging of outward, at the opposite side of the first air door, be provided with the second interior flanging bending inwards, described the first interior flanging coordinates with the first outer flanging overlap joint; In a side of described the second air door, be provided with the second outer flanging of outward, be provided with the 3rd outer flanging of outward at the opposite side of the second air door, described the second outer flanging coordinates with the second infolding edge lap.
The utility model advantage is compared with prior art: can effectively prevent that insect and rainwater from carrying out indoor, reliable operation, can open or close exhaust port automatically, easy to operate; When not working, exhaust port can not held by wind.
Accompanying drawing explanation
Fig. 1 is stereogram of the present utility model;
Fig. 2 is that rotary electric machine in the utility model, driving wheel and follower are arranged on the structural representation on housing;
Fig. 3 is right elevation of the present utility model;
Fig. 4 is the structural representation that the utility model middle shell, exhaust duct, the first air door and the second air door coordinate;
Fig. 5 is the structural representation that exhaust duct in the utility model, the first air door and the second air door coordinate;
Fig. 6 is the enlarged view of the local A of Fig. 5;
Fig. 7 is the explosive view of Fig. 6.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.At this, it should be noted that, for the explanation of these mode of executions, be used for helping to understand the utility model, but do not form restriction of the present utility model.In addition,, in each mode of execution of described the utility model, involved technical characteristics just can not interosculate as long as do not form each other conflict.
In description of the present utility model, term " first ", " second " and " the 3rd " be only for describing object, and can not be interpreted as indication or hint relative importance.
As shown in Fig. 1 to 7, it is the ventilating fan that a kind of pest control enters, and comprising:
Housing 1, exhaust duct 8 and wind wheel 4; The wind inlet of described exhaust duct 8 is connected and is communicated with the air outlet tube 101 of housing 1, and described wind wheel 4 is arranged in the air-out passage of housing 1; In the present embodiment, air outlet tube 101 adopts dismountable snapping Placement with the wind inlet of exhaust duct 8;
Throttle structure; The exhaust port place that is arranged on exhaust duct 8 that described throttle structure rotates, throttle structure can open or close exhaust port; And
Driving structure; Described driving structure drives throttle structure to rotate; During use, driving structure drives throttle structure to rotate, thereby the exhaust port of exhaust duct 8 is opened or closed.
In the present embodiment, for the exhaust port that makes exhaust duct 8 down, the angle a of described exhaust duct 8 downward-sloping inclinations is 15 o, angle a also can be other angle, but need be in the scope of 0 o≤a≤50o.
In the present embodiment, described driving structure comprises rotary electric machine 10, active rolling wheel 2, driven rolling wheel 6 and serving 5; Described rotary electric machine 10 is arranged on housing 1, and described active rolling wheel 2 is arranged in housing 1, and rotary electric machine 10 drives initiatively rolling wheel 2 to rotate; Corresponding both sides in described exhaust duct 8 are respectively equipped with the first installation shaft 7 and the second installation shaft 15, what described driven rolling wheel 6 rotated is arranged in the first installation shaft 7, described serving 5 is arranged on active rolling wheel 2 and driven rolling wheel 6, what rotated at the two ends of described throttle structure is arranged in the first installation shaft 7 and the second installation shaft 15, and driven rolling wheel 6 can drive throttle structure to rotate.On the air outlet tube 101 of housing 1, be provided with the path 10 2 that facilitates serving 5 operations.During work, rotary electric machine 10 drives initiatively rolling wheel 2 to rotate, and initiatively rolling wheel 2 drives driven rolling wheel 6 to rotate by serving 5, and driven rolling wheel 6 drives again throttle structure to rotate, thereby the exhaust port of exhaust duct 8 is opened or closed.On housing 1, be also provided with rope-guiding wheel 3, described rope-guiding wheel 3 is between active rolling wheel 2 and driven rolling wheel 6, and one end of serving 5 twists on active rolling wheel 2, and the other end of serving 5 twists on driven rolling wheel 6, and what serving 5 slided is located on rope-guiding wheel 3.
In the present embodiment, described throttle structure comprises the first air door 11, the second air door 12, the first Returnning spring 13 and the second Returnning spring 14; Described the first air door 11 and the second air door 12 are all curved, after the first air door 11 and the second air door 12 launch, the exhaust port of exhaust duct 8 are closed, and the first air door 11 and the second air door 12 can be overlapping and be positioned at exhaust duct 8, and now exhaust port is opened; At the two ends of the first air door 11, be respectively equipped with driving casing 113 and the first axle sleeve 115, on described driving casing 114, be provided with arc chute 114, the arc length of arc chute 114 guarantees that the first air door 11 and the second air door 12 can open and close; On described driven rolling wheel 6, be provided with turning lever 61, described driving casing 113 is set in the first installation shaft 7 also rotatable, and described the first axle sleeve 115 is set in the second installation shaft 15 also rotatable; At the two ends of the second air door 12, be respectively equipped with sliding set 123 and the second axle sleeve 125, on described sliding set 123, be provided with slide block 124, sliding set 123 is set in the first installation shaft 7 also rotatable, described turning lever 61 passes arc chute 114 and leans with slide block 124, and the second axle sleeve 125 is set in the second installation shaft 15 also rotatable; Described the first Returnning spring 13 is located in the first installation shaft 7, and one end of the first Returnning spring 13 is connected with the first installation shaft 7, and the other end of the first Returnning spring 13 is connected with sliding set 123; Described the second Returnning spring 14 is located in the second installation shaft 15, and one end of the second Returnning spring 14 is connected with the second installation shaft 15, and the other end of the second Returnning spring 14 is connected with the second axle sleeve 125.During work, when opening exhaust duct 8, driven rolling wheel 6 rotates, turning lever 61 on driven rolling wheel 6 also rotates thereupon, turning lever 61 promotes slide block 124, the second air door 12 is toward interior movement, and the second air door 12 drives again the first air door 11 toward interior movement, and now the second air door 12 and the first air door 11 are overlapping and be positioned at exhaust duct 8; When not working, under the effect of the first Returnning spring 13 and the second Returnning spring 14, the second air door 12 rotates and moves outward toward contrary direction, slide block 124 promotes turning lever 61 and rotates toward contrary direction, the second air door 12 also drives the first air door 11 to rotate and move outward toward contrary direction, after the first air door 11 and the second air door 12 launch, the exhaust port of exhaust duct 8 is closed.
In the present embodiment, described the first installation shaft 7 and the second installation shaft 15 are all with flexible enlarging, location after elasticity enlarging makes the first installation shaft 7 and the second installation shaft 15 be inserted on exhaust duct 8; In the first installation shaft 7, be provided with the first positive stop lug boss 71, described the first positive stop lug boss 71 restriction driving casings 113 and sliding set 123 move axially; In the second installation shaft 15, be provided with the second positive stop lug boss 151, described second positive stop lug boss 151 restriction the first axle sleeves 115 and the second axle sleeve 125 move axially.The first Returnning spring 13 is arranged in the first installation shaft 7, and the second Returnning spring 14 is arranged in the second installation shaft 15.
In the present embodiment, be provided with the first interior flanging 81 bending inwards at the exhaust port place of described exhaust duct 8, be provided with the convex edge 82 that can coordinate with the second air door 12 on the inwall of exhaust duct 8, convex edge 82 is moved the second air door 12 no longer outward; In a side of described the first air door 11, be provided with the first outer flanging 111 of outward, opposite side at the first air door 11 is provided with the second interior flanging 112 bending inwards, described the first interior flanging 81 coordinates with the first outer flanging 111 overlap joints, makes like this first air door 11 overlap with the wall of exhaust duct 8 after the exhaust port of closing exhaust duct 8; In a side of described the second air door 12, be provided with the second outer flanging 121 of outward, at the opposite side of the second air door 12, be provided with the 3rd outer flanging 122 of outward, described the second outer flanging 121 coordinates with the second interior flanging 112 overlap joints, makes like this second air door 12 coordinate with the first air door 11 overlap joints after the exhaust port of closing exhaust duct 8; When opening the exhaust port of exhaust duct 8, the 3rd outer flanging 122 coordinates promotion the first air door 11 to open with the second interior flanging 112.
Below by reference to the accompanying drawings mode of execution of the present utility model is made to detailed description, but the utility model is not limited to described mode of execution.For the ordinary skill in the art, in the situation that not departing from principle of the present utility model and aim, these mode of executions being carried out to multiple variation, modification, replacement and distortion still falls within protection domain of the present utility model.
Claims (6)
1. the ventilating fan that pest control enters, is characterized in that comprising:
Housing (1), exhaust duct (8) and wind wheel assembly (4); The wind inlet of described exhaust duct (8) is connected and is communicated with the air outlet tube (101) of housing (1), and described wind wheel assembly (4) is arranged in the air-out passage of housing (1);
Throttle structure; The exhaust port place that is arranged on exhaust duct (8) that described throttle structure rotates; And driving structure; Thereby described driving structure drives throttle structure to rotate exhaust port is opened or closed.
2. the ventilating fan that pest control according to claim 1 enters, is characterized in that described exhaust duct (8) is downward-sloping, and the angle of its inclination is a, 0 o≤a≤50o.
3. the ventilating fan that pest control according to claim 1 enters, is characterized in that described driving structure comprises rotary electric machine (10), active rolling wheel (2), driven rolling wheel (6) and serving (5); Described rotary electric machine (10) and initiatively rolling wheel (2) are installed in housing (1), and rotary electric machine (10) drives initiatively rolling wheel (2) to rotate; Corresponding both sides in described exhaust duct (8) are respectively equipped with the first installation shaft (7) and the second installation shaft (15), what described driven rolling wheel (6) rotated is arranged in the first installation shaft (7), described serving (5) is arranged on active rolling wheel (2) and driven rolling wheel (6), what rotated at the two ends of described throttle structure is arranged in the first installation shaft (7) and the second installation shaft (15), and driven rolling wheel (6) can drive throttle structure to rotate.
4. the ventilating fan that pest control according to claim 3 enters, is characterized in that described throttle structure comprises the first air door (11), the second air door (12), the first Returnning spring (13) and the second Returnning spring (14); Described the first air door (11) and the second air door (12) are all curved, and the first air door (11) after launching with the second air door (12) is closed the exhaust port of exhaust duct (8); At the two ends of the first air door (11), be respectively equipped with driving casing (113) and the first axle sleeve (115), on described driving casing (114), be provided with arc chute (114), on described driven rolling wheel (6), be provided with turning lever (61), it is upper and rotatable that described driving casing (113) is set in the first installation shaft (7), and it is upper and rotatable that described the first axle sleeve (115) is set in the second installation shaft (15); At the two ends of the second air door (12), be respectively equipped with sliding set (123) and the second axle sleeve (125), on described sliding set (123), be provided with slide block (124), it is upper and rotatable that sliding set (123) is set in the first installation shaft (7), described turning lever (61) passes arc chute (114) and leans with slide block (124), and it is upper and rotatable that the second axle sleeve (125) is set in the second installation shaft (15); It is upper that described the first Returnning spring (13) is located at the first installation shaft (7), and one end of the first Returnning spring (13) is connected with the first installation shaft (7), and the other end of the first Returnning spring (13) is connected with sliding set (123); It is upper that described the second Returnning spring (14) is located at the second installation shaft (15), and one end of the second Returnning spring (14) is connected with the second installation shaft (15), and the other end of the second Returnning spring (14) is connected with the second axle sleeve (125).
5. the ventilating fan that pest control according to claim 4 enters, is characterized in that described the first installation shaft (7) and the second installation shaft (15) be all with flexible enlarging; In the first installation shaft (7), be provided with the first positive stop lug boss (71), described the first positive stop lug boss (71) restriction driving casing (113) and sliding set (123) move axially; In the second installation shaft (15), be provided with the second positive stop lug boss (151), described the second positive stop lug boss (151) restriction the first axle sleeve (115) and the second axle sleeve (125) move axially.
6. the ventilating fan that pest control according to claim 4 enters, it is characterized in that at the exhaust port place of described exhaust duct (8), being provided with the first interior flanging (81) bending inwards, on the inwall of exhaust duct (8), be provided with the convex edge (82) that can coordinate with the second air door (12); In a side of described the first air door (11), be provided with the first outer flanging (111) of outward, opposite side at the first air door (11) is provided with the second interior flanging (112) bending inwards, and described the first interior flanging (81) coordinates with the first outer flanging (111) overlap joint; In a side of described the second air door (12), be provided with the second outer flanging (121) of outward, at the opposite side of the second air door (12), be provided with the 3rd outer flanging (122) of outward, described the second outer flanging (121) coordinates with the second interior flanging (112) overlap joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297557.1U CN203892224U (en) | 2014-06-06 | 2014-06-06 | Exhaust fan preventing pests from flying into room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297557.1U CN203892224U (en) | 2014-06-06 | 2014-06-06 | Exhaust fan preventing pests from flying into room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892224U true CN203892224U (en) | 2014-10-22 |
Family
ID=51718635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420297557.1U Expired - Fee Related CN203892224U (en) | 2014-06-06 | 2014-06-06 | Exhaust fan preventing pests from flying into room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892224U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847679A (en) * | 2015-04-02 | 2015-08-19 | 佛山市南海九洲普惠风机有限公司 | Show window type ventilating fan |
| CN109611349A (en) * | 2018-11-26 | 2019-04-12 | 黄莲英 | A kind of kitchen abutment wall blower with dust reduction capability |
-
2014
- 2014-06-06 CN CN201420297557.1U patent/CN203892224U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847679A (en) * | 2015-04-02 | 2015-08-19 | 佛山市南海九洲普惠风机有限公司 | Show window type ventilating fan |
| CN109611349A (en) * | 2018-11-26 | 2019-04-12 | 黄莲英 | A kind of kitchen abutment wall blower with dust reduction capability |
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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: 20141022 Termination date: 20160606 |