CN216589231U - Exhaust fan check valve capable of improving exhaust efficiency - Google Patents
Exhaust fan check valve capable of improving exhaust efficiency Download PDFInfo
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- CN216589231U CN216589231U CN202123009268.6U CN202123009268U CN216589231U CN 216589231 U CN216589231 U CN 216589231U CN 202123009268 U CN202123009268 U CN 202123009268U CN 216589231 U CN216589231 U CN 216589231U
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Abstract
The utility model relates to a check valve of a ventilating fan for improving exhaust efficiency, which comprises a shell, wherein a passage is arranged in the shell, one end of the passage is provided with an air inlet, the other end of the passage is provided with an air outlet, a wind blocking sheet matched with the air outlet is arranged in the passage and close to the air outlet, the check valve also comprises a pressing strip, the pressing strip is arranged at the diameter position of the wind blocking sheet, the wind blocking sheet is fixed in the passage through the pressing strip, and the wind blocking sheet is made of a thin film material. The technical scheme of the utility model has the technical effects of simple structure and better air exhaust effect.
Description
Technical Field
The utility model relates to the technical field of ventilation fans, in particular to a check valve of a ventilation fan, which can improve the exhaust efficiency.
Background
The ventilator is an air conditioning appliance, which drives blades to rotate by a motor to drive airflow so as to exchange indoor air and outdoor air. Also known as a ventilating fan. The purpose of ventilation is to remove dirty air from the room, regulate temperature, humidity and sensory effects. The ventilating fan is widely applied to families and public places. At present, when the wind shield of the ventilator in the prior art opens the opening position for exhausting, the opened opening position is smaller, so that the air exhaust effect is not ideal.
SUMMERY OF THE UTILITY MODEL
Based on the problems, the utility model provides the check valve of the ventilating fan, which has the advantages of simple structure and better air exhaust effect and improves the air exhaust efficiency.
In order to realize the purpose, the utility model provides the following technical scheme: the utility model provides an improve exhaust efficiency's scavenger fan check valve, includes the casing, be provided with the passageway in the casing, passageway one end is provided with the air intake, the passageway other end is provided with the air exit, be close to the air exit position in the passageway and be provided with the windshield of air exit looks adaptation, still include the layering, the layering sets up the diameter position at the windshield, the windshield passes through the layering to be fixed in the passageway, the windshield adopts the film material to make.
By adopting the technical scheme, the wind shield sheet covers the air outlet and is fixed in the channel through the pressing strip, the pressing strip is arranged at the diameter position of the wind shield sheet, so that wind enters from the position of the wind inlet during the exhaust, the two ends of the wind shield sheet are not fixed and are close to the position of the inner side wall of the channel, driven by wind power, the wind shield sheet is opened along the position of the air outlet, the wind is discharged along the opened position of the wind shield sheet, the wind shield sheet is made of thin film material, and when the wind shield sheet is opened by blowing wind power due to thin film material and light weight, the wind shield is easier to be opened by wind power blowing, the opened opening position is larger, more air is exhausted, the air exhaust effect is better, after the exhaust is finished, the wind shield sheet can be automatically reset and covered at the position of the channel, the structure is simple and stable, and the film material is preferably PET + ABS material.
The utility model further provides that: the layering sets up in the one side of the wind-break piece position corresponding air exit.
By adopting the technical scheme, when wind enters from the air inlet position and is discharged along the air outlet position, the pressing strip is provided with the wind-blocking piece corresponding to one side of the air outlet position, so that the resistance of the pressing strip to the wind can be reduced, and the structure is stable.
The utility model further provides that: the utility model discloses a wind-break piece, including wind-break piece, guide plate, air inlet, air outlet, concave part, air inlet, air outlet, air deflector, air deflector, air deflector, air.
Through adopting above-mentioned technical scheme, when wind put into along the air intake position, direction of height one end is to the other end towards the air exit direction slope and be curved setting, makes the slope cambered surface of guide plate plays wind-force guide effect, and the base sets up the central point at the windshield piece and puts to and the guide plate sets up along base lateral wall circumference, when wind-force flows through the slope cambered surface and along slope cambered surface direction, makes wind-force energy gathering effect open carminative opening direction position at the windshield piece, and difficult dispersion wind-force makes opening of windshield piece more smooth and easy, and the exhaust is more efficient.
The utility model further provides that: and a reset through groove is formed in the position, corresponding to the pressing strip, of the wind shield.
By adopting the technical scheme, the arrangement of the reset through grooves can buffer the deformation of the wind shield piece caused by wind power when the wind shield piece is pushed by wind power to open the position of the air outlet, thereby avoiding the damage of the wind shield piece and prolonging the service life of the wind shield piece.
The utility model further provides that: and a dust guard is arranged between the wind shield and the flow guide assembly and corresponds to the position of the reset through groove.
Through adopting above-mentioned technical scheme, the setting of dust guard for block the dust and follow the logical groove position that resets and get into, strengthened the seal between air exit and the air intake, avoid the foreign matter to put into the exhaust fan body along the logical groove position that resets, the structure is more stable.
The utility model further provides that: the dust guard is fixed with the flow guide plate corresponding to the position of the reset through groove.
Through adopting above-mentioned technical scheme, the dust guard sets up with corresponding to restoring to the throne the deflector fixed connection that leads to the groove direction for when having reduced installation dust guard processing step, still play the effect of location installation dust guard.
The utility model further provides that: the pressing strip is fixed with the dust guard through a bolt.
Through adopting above-mentioned technical scheme for connection structure between layering, windshield and the dust guard three is more stable, reduces connecting elements, easy dismounting, and plays the effect of location connection to windshield, layering.
Drawings
FIG. 1 is a block diagram of a first embodiment of the present invention;
FIG. 2 is a block diagram of a second embodiment of the present invention;
FIG. 3 is a block diagram of the third embodiment of the present invention;
the reference numbers in the figures mean: the device comprises a shell 1, a channel 2, an air inlet 3, an air outlet 4, a wind shield 5, a pressing bar 6, a flow guide assembly 7, a base 701, a flow guide plate 702, a concave part 8, a reset through groove 9 and a dust guard 10.
Detailed Description
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Referring to the attached drawings 1-3, the utility model discloses a ventilator check valve capable of improving exhaust efficiency, which comprises a shell 1, wherein a channel 2 is arranged in the shell 1, an air inlet 3 is formed in one end of the channel 2, an air outlet 4 is formed in the other end of the channel 2, a wind-blocking sheet 5 matched with the air outlet 4 is arranged in the channel 2 and close to the air outlet 4, the ventilator check valve further comprises a pressing strip 6, the pressing strip 6 is arranged at the diameter position of the wind-blocking sheet 5, the wind-blocking sheet 5 is fixed in the channel 2 through the pressing strip 6, and the wind-blocking sheet 5 is made of a thin film material. The wind shield 5 covers the air outlet 4 and is fixed in the channel 2 through the pressing strip 6, the pressing strip 6 is arranged at the diameter position of the wind shield 5, so that wind enters from the position of the air inlet 3 during air exhaust, the two ends of the wind shield 5 are not fixed and are close to the position of the inner side wall of the channel 2, driven by wind power, the wind shield sheet 5 is opened along the position of the air outlet 4, wind is discharged along the opened position of the wind shield sheet 5, the wind-blocking sheet 5 is made of thin film material, and when the wind-blocking sheet 5 is opened by blowing wind power due to thin film material and light weight, the wind shield 5 is easier to be opened by wind power, the opened opening position is larger, more air is exhausted, the air exhaust effect is better, and after the exhaust is accomplished, the windshield 5 can automatically reset and cover the channel 2, the structure is simple and stable, and the film material is preferably PET + ABS material in the embodiment.
The embodiment further provides that: the pressing strip 6 is arranged on one side of the wind shield 5 corresponding to the air outlet 4. When wind enters from the position of the air inlet 3 and is discharged along the position of the air outlet 4, the pressing strip 6 is provided with the wind-blocking sheet 5 corresponding to one side of the position of the air outlet 4, so that the resistance effect of the pressing strip 6 on the wind can be reduced, and the structure is stable.
The embodiment further provides that: the wind shield 5 is provided with a flow guide assembly 7 at one side corresponding to the air inlet 3, the flow guide assembly 7 comprises a base 701 and a plurality of flow guide plates 702, the base 701 is arranged at the center of the windshield 5, each guide plate 702 is arranged along the circumferential direction of the outer side wall of the base 701, the other side of the guide plate 702 opposite to the base 701 is connected with the inner side wall of the channel 2, one end of the guide plate 702 in the height direction inclines towards the air outlet 4 towards the other end and is arranged in an arc shape, the baffle 702 is provided with a concave part 8 with an opening facing the air inlet 3 at a position corresponding to one side of the air inlet 3 and close to the base 701, the concave part 8 is arranged in an arc shape, the height of the pedestal 701 is smaller than that of the guide plate 702, the height of the recess 8 corresponding to one end of the base 701 in the opening direction is flush with the height of the base 701, the height of the other end of the recess 8 in the opening direction with respect to the position of the susceptor 701 is flush with the height of the baffle 702. When wind put into along 3 positions of air intake, direction of height one end is towards the other end 4 direction slopes of air exit and be curved setting, makes the slope cambered surface of guide plate 702 plays wind-force guide effect, and base 701 sets up the central point at windshield 5 and puts to and guide plate 702 sets up along base 701 lateral wall circumference, when wind-force flows through the slope cambered surface and along slope cambered surface direction, makes wind-force energy gathering effect open carminative opening direction position at windshield 5, and difficult dispersion wind-force makes opening of windshield 5 more smooth and easy, and the exhaust is more efficient.
The embodiment further provides that: and a reset through groove 9 is arranged at the position of the wind shield 5 corresponding to the pressing strip 6. The setting that leads to groove 9 resets for when the wind-break piece 5 promotes through wind-force and opens air exit 4 positions, the deformation of wind-break piece 5 that causes wind-force plays the cushioning effect, avoids causing the damage of wind-break piece 5, increases the life of wind-break piece 5, it leads to groove 9 to reset can be provided with one or more, and this embodiment is preferred three, when reinforcing wind-break piece 5 structural stability, cushions wind-force in the at utmost and to the impact of wind-break piece 5.
The embodiment further provides that: a dust guard 10 is arranged between the wind shield 5 and the flow guide assembly 7, and the dust guard 10 corresponds to the position of the reset through groove 9. The dust guard 10 for block the dust and follow the logical groove 9 position that resets and get into, strengthened the seal between air exit 4 and the air intake 3, avoid the foreign matter to follow the logical groove 9 position that resets and put into the exhaust fan originally internally, the structure is more stable.
The embodiment further provides that: the dust-proof plate 10 is fixed with the guide plate 702 corresponding to the position of the reset through groove 9. The dust guard 10 is fixedly connected with the guide plate 702 corresponding to the direction of the reset through groove 9, so that the processing steps of installing the dust guard 10 are reduced, and meanwhile, the effect of positioning and installing the dust guard 10 is also achieved.
The embodiment further provides that: the pressing strip 6 is fixed with the dust-proof plate 10 through bolts. The connecting structure among the pressing strip 6, the wind-shielding sheet 5 and the dust-proof plate 10 is more stable, connecting parts are reduced, the dismounting is convenient, and the positioning connection effect on the wind-shielding sheet 5 and the pressing strip 6 is achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.
Claims (7)
1. The utility model provides an efficiency of exhaust is improved scavenger fan check valve, includes the casing, be provided with the passageway in the casing, passageway one end is provided with the air intake, the passageway other end is provided with the air exit, be close to the air exit position in the passageway and be provided with the wind-break piece with air exit looks adaptation, its characterized in that: the wind shield is characterized by further comprising a pressing strip, wherein the pressing strip is arranged at the diameter position of the wind shield, the wind shield is fixed in the channel through the pressing strip, and the wind shield is made of a thin film material.
2. A ventilator check valve for improving exhaust efficiency according to claim 1, characterized in that: the layering sets up in the one side of the corresponding air exit position of windshield.
3. A ventilator check valve for improving exhaust efficiency according to claim 1, characterized in that: the utility model discloses a wind-break assembly, including wind-break piece, guide plate, air inlet, air outlet, concave part, air inlet, air outlet, guide plate, base, air baffle, base, air deflector, baffle, air deflector, base lateral wall circumference, the guide plate corresponds air inlet one side and is provided with the concave part of opening towards the air inlet direction near the base position, the concave part is the arc setting, the height that highly is less than the guide plate of base, the height that the concave part corresponds opening direction one end of base position and the high looks parallel and level of base, the concave part is highly parallel and level with the height of guide plate for the height of the opening direction other end of base position.
4. A ventilator check valve for improving exhaust efficiency according to claim 3, wherein: and a reset through groove is formed in the position, corresponding to the pressing strip, of the wind shield.
5. A ventilator check valve to improve exhaust efficiency according to claim 4, characterized in that: and a dust guard is arranged between the wind shield and the flow guide assembly and corresponds to the position of the reset through groove.
6. A ventilator check valve to improve exhaust efficiency according to claim 5, characterized in that: the dust guard is fixed with the flow guide plate corresponding to the position of the reset through groove.
7. A ventilator check valve to improve exhaust efficiency according to claim 5, characterized in that: the pressing strip is fixed with the dust guard through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123009268.6U CN216589231U (en) | 2021-12-01 | 2021-12-01 | Exhaust fan check valve capable of improving exhaust efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123009268.6U CN216589231U (en) | 2021-12-01 | 2021-12-01 | Exhaust fan check valve capable of improving exhaust efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216589231U true CN216589231U (en) | 2022-05-24 |
Family
ID=81652052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123009268.6U Active CN216589231U (en) | 2021-12-01 | 2021-12-01 | Exhaust fan check valve capable of improving exhaust efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216589231U (en) |
-
2021
- 2021-12-01 CN CN202123009268.6U patent/CN216589231U/en active Active
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