CN216769673U - Ventilating hood with noise reduction function - Google Patents
Ventilating hood with noise reduction function Download PDFInfo
- Publication number
- CN216769673U CN216769673U CN202123317650.3U CN202123317650U CN216769673U CN 216769673 U CN216769673 U CN 216769673U CN 202123317650 U CN202123317650 U CN 202123317650U CN 216769673 U CN216769673 U CN 216769673U
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- fixedly connected
- wall
- arc
- casing
- rotating shaft
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- Filtering Of Dispersed Particles In Gases (AREA)
- Ventilation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a ventilating hood with a noise reduction function, which comprises a casing, a first sound-absorbing plate, a second sound-absorbing plate, a rotating shaft and a filter screen, wherein the rotating shaft is rotatably connected with the casing, the bottom end of the rotating shaft is fixedly connected with a lower baffle, the top end of the rotating shaft is fixedly connected with an upper baffle, one side of the rotating shaft is fixedly connected with a reinforcing plate, and one side of the bottom end of the lower baffle is provided with a lower inclined plane. According to the utility model, the rotating shaft and the arc-shaped sliding frame are arranged, when the flow direction of the flowing air flow needs to be adjusted, the screw rod is separated from the contact positioning hole by rotating the screw rod, the rotating rod is rotated to drive the limiting rod to slide on the inner wall of the arc-shaped sliding groove, so that the upper baffle and the lower baffle are driven to rotate in an angle manner, the flowing direction of the air flow is changed, then the screw rod is inserted into the inner wall of the positioning hole by rotating the screw rod, the rotating shaft is fixed, and the plurality of rotating shafts can be respectively adjusted in angle manner, so that the practicability is enhanced.
Description
Technical Field
The utility model relates to the technical field of ventilation hoods, in particular to a ventilation hood with a noise reduction function.
Background
The ventilating hood is light in weight, does not need electric power during operation, and continuously exhausts indoor dirty air by pushing the ventilating hood to rotate by virtue of natural wind power, chimney effect and indoor and outdoor temperature difference principles, so that the flowing and freshness of the air are kept.
The existing ventilation hood cannot change the direction of the outflow air flow when in use, so that the direction of the outflow air flow is uncontrollable, and meanwhile, the outflow air flow can generate large noise when in use, and the practicability is poor.
Therefore, it is necessary to invent a cowl with a muffling function to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a ventilating cowl with a noise reduction function, and aims to solve the problems that in the prior art, the direction of an outflow air flow cannot be changed in the use process of the ventilating cowl, the direction of the outflow air flow is uncontrollable, and meanwhile, the outflow air flow generates large noise in use, and the practicability is poor.
In order to achieve the above purpose, the utility model provides the following technical scheme: a ventilator cap with a noise reduction function comprises a shell, a first sound absorption plate, a second sound absorption plate, a rotating shaft and a filter screen, wherein the rotating shaft is rotatably connected with the shell, the bottom end of the rotating shaft is fixedly connected with a lower baffle plate, the top end of the rotating shaft is fixedly connected with an upper baffle plate, one side of the rotating shaft is fixedly connected with a reinforcing plate, one side of the bottom end of the lower baffle plate is provided with a lower inclined surface, one side of the top end of the upper baffle plate is provided with an upper inclined surface, one end of the rotating shaft is fixedly connected with a rotating rod, one side of the rotating rod is fixedly connected with a limiting rod, one end of the limiting rod is fixedly connected with a fixed disk, the outer side of the fixed disk is provided with a threaded rod, the inner wall of the threaded rod is sleeved with a connecting screw rod, one side of the shell is fixedly connected with an arc sliding frame, one side of the arc sliding frame is provided with an arc sliding groove, and the inner wall of the arc sliding groove is matched with the outer wall of the limiting rod, one side of arc carriage is equipped with the locating hole, the quantity of locating hole sets up to a plurality ofly, the locating hole equidistance distributes in one side of arc spout, the outer wall of screw rod and the inner wall phase-match of locating hole.
Preferably, the first fixed foot of one side fixedly connected with of arc carriage, the fixed foot of one side fixedly connected with second of arc carriage is conveniently fixed the arc carriage.
Preferably, the arc carriage passes through first fixed foot and casing fixed connection, the arc carriage passes through second fixed foot and casing fixed connection, conveniently strengthens the steadiness between arc carriage and the casing.
Preferably, the inboard bottom and the filter screen fixed connection of casing, the inner wall of casing is equipped with the second mounting groove, conveniently intercepts the impurity in the air.
Preferably, the inner wall of the second mounting groove is fixedly connected with the first sound-absorbing board, and the number of the second mounting grooves is two, so that the first sound-absorbing board can be conveniently and fixedly mounted.
Preferably, the inner wall of the casing is provided with a first mounting groove, and the inner wall of the first mounting groove is fixedly connected with the second sound-absorbing board, so that the second sound-absorbing board can be conveniently and fixedly mounted.
Preferably, the number of the second sound-absorbing plates is multiple, a top cover is fixedly connected to the top end of the casing, and the second sound-absorbing plates enhance the absorption of noise.
Preferably, the inner side of the top cover is provided with an air outlet groove, one side of the casing is provided with a rotating hole, and the rotating hole is rotatably connected with the rotating shaft.
Preferably, the inboard of top cap is equipped with the air-out groove, one side of casing is equipped with rotates the hole, rotate the hole and be connected with the axis of rotation is rotated, and the air flows through air-out inslot wall spare.
In the technical scheme, the utility model has the following technical effects and advantages:
by arranging the rotating shaft and the arc-shaped sliding frame, when the flow direction of flowing air flow needs to be adjusted, the screw rod is separated from the contact positioning hole by rotating the screw rod, the rotating rod is rotated to drive the limiting rod to slide on the inner wall of the arc-shaped sliding groove, so that the upper baffle and the lower baffle are driven to rotate in an angle manner, the flowing direction of the air flow is changed, the screw rod is inserted into the inner wall of the positioning hole by rotating the screw rod, the rotating shaft is fixed, and the plurality of rotating shafts can be respectively adjusted in angle, so that the practicability is enhanced;
through setting up filter screen, first abatvoix and second abatvoix absorb the noise that produces and fall and make an uproar, effective noise reduction's decibel intensity, and the filter screen intercepts the impurity in the air simultaneously, prevents effectively that impurity from getting into inside first abatvoix and the second abatvoix, causes the jam, reduces the noise reduction effect to when making an uproar falling, effectively prolong the clean and tidy time of abatvoix, reinforcing noise reduction effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall construction of the present invention;
FIG. 3 is a schematic perspective view of the baffle of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 2 at A in accordance with the present invention;
fig. 5 is a schematic structural diagram of fig. 3 at B according to the present invention.
Description of the reference numerals:
1. a housing; 2. a first sound-absorbing panel; 3. a second sound-absorbing panel; 4. a rotating shaft; 5. a filter screen; 6. a top cover; 7. rotating the rod; 8. a lower baffle plate; 9. an upper baffle plate; 10. a reinforcing plate; 11. an upper inclined plane; 12. a lower inclined surface; 13. a limiting rod; 14. fixing the disc; 15. a threaded rod; 16. a screw; 17. an arc-shaped sliding frame; 18. an arc-shaped chute; 19. positioning holes; 20. a first fixing leg; 21. a second fixing leg; 22. an air outlet groove; 23. rotating the hole; 24. a first mounting groove; 25. and a second mounting groove.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The utility model provides a ventilator cap with a noise reduction function as shown in figures 1-5, which comprises a machine shell 1, a first sound-absorbing plate 2, a second sound-absorbing plate 3, a rotating shaft 4 and a filter screen 5, wherein the rotating shaft 4 is rotatably connected with the machine shell 1, the bottom end of the rotating shaft 4 is fixedly connected with a lower baffle plate 8, the top end of the rotating shaft 4 is fixedly connected with an upper baffle plate 9, one side of the rotating shaft 4 is fixedly connected with a reinforcing plate 10, one side of the bottom end of the lower baffle plate 8 is provided with a lower inclined surface 12, one side of the top end of the upper baffle plate 9 is provided with an upper inclined surface 11, one end of the rotating shaft 4 is fixedly connected with a rotating rod 7, one side of the rotating rod 7 is fixedly connected with a limiting rod 13, one end of the limiting rod 13 is fixedly connected with a fixed plate 14, the outer side of the fixed plate 14 is provided with a threaded rod 15, the inner wall of the threaded rod 15 is sleeved with a connecting screw rod 16, one side of the machine shell 1 is fixedly connected with an arc-shaped sliding frame 17, one side of arc-shaped sliding frame 17 is equipped with arc-shaped sliding groove 18, and the inner wall of arc-shaped sliding groove 18 and the outer wall phase-match of gag lever post 13, one side of arc-shaped sliding frame 17 is equipped with locating hole 19, and the quantity of locating hole 19 sets up to a plurality ofly, and locating hole 19 equidistance distributes in one side of arc-shaped sliding groove 18, and the outer wall of screw rod 16 and the inner wall phase-match of locating hole 19.
One side fixedly connected with first fixed foot 20 of arc carriage 17, one side fixedly connected with second fixed foot 21 of arc carriage 17 conveniently fixes arc carriage 17.
Arc carriage 17 is through first fixed foot 20 and casing 1 fixed connection, and arc carriage 17 is through second fixed foot 21 and casing 1 fixed connection, conveniently strengthens the steadiness between arc carriage 17 and the casing 1.
The inboard bottom and the filter screen 5 fixed connection of casing 1, the inner wall of casing 1 is equipped with second mounting groove 25, conveniently intercepts the impurity in the air.
The inner wall of second mounting groove 25 and first abatvoix 2 fixed connection, the quantity of second mounting groove 25 sets up to two, makes things convenient for the installation of first abatvoix 2 fixed.
The inner wall of casing 1 is equipped with first mounting groove 24, and the inner wall and the second abatvoix 3 fixed connection of first mounting groove 24 make things convenient for the installation of second abatvoix 3 fixed.
The number of the second sound-absorbing boards 3 is set to be a plurality, the top end of the machine shell 1 is fixedly connected with a top cover 6, and the plurality of second sound-absorbing boards 3 enhance the absorption of noise.
The inboard of top cap 6 is equipped with air-out groove 22, and one side of casing 1 is equipped with rotates hole 23, rotates hole 23 and rotation axis 4 and rotates and be connected, and the air flows out through the wall spare in air-out groove 22.
This practical theory of operation:
referring to the attached drawings 1-5 of the specification, when the device is used, firstly, by arranging the rotating shaft 4 and the arc-shaped sliding frame 17, when the device is used and the flow direction of flowing air needs to be adjusted, the screw 16 is separated from the positioning hole 19 by rotating the screw 16, the rotating rod 7 is rotated to drive the limiting rod 13 to slide on the inner wall of the arc-shaped sliding groove 18, so that the lower baffle plate 8 and the upper baffle plate 9 are driven to rotate angularly, the flowing direction of the air flow is changed, and then the screw 16 is inserted into the inner wall of the positioning hole 19 by rotating the screw 16 to fix the rotating shaft 4;
referring to the attached drawings 1-5 in the specification, when the device is used, the filter screen 5, the first sound-absorbing board 2 and the second sound-absorbing board 3 are arranged, the first sound-absorbing board 2 and the second sound-absorbing board 3 absorb and reduce noise generated by noise, the decibel intensity of the noise is effectively reduced, and meanwhile, the filter screen 5 intercepts impurities in the air.
Claims (8)
1. The utility model provides a ventilator cap with sound attenuation function, includes casing (1), first abatvoix (2), second abatvoix (3), axis of rotation (4) and filter screen (5), its characterized in that: the rotary shaft (4) is connected with the casing (1) in a rotating manner, the baffle (8) is fixedly connected with the bottom of the rotary shaft (4) downwards, the upper baffle (9) is fixedly connected with the top end of the rotary shaft (4), the reinforcing plate (10) is fixedly connected with one side of the rotary shaft (4), the lower inclined surface (12) is arranged on one side of the bottom end of the baffle (8), the upper inclined surface (11) is arranged on one side of the top end of the upper baffle (9), the rotary shaft (4) is fixedly connected with the rotary rod (7), the limiting rod (13) is fixedly connected with one side of the rotary rod (7), the fixed disk (14) is fixedly connected with one end of the limiting rod (13), the threaded rod (15) is arranged on the outer side of the fixed disk (14), the connecting screw rod (16) is sleeved on the inner wall thread of the threaded rod (15), and the arc-shaped sliding frame (17) is fixedly connected with one side of the casing (1), one side of arc carriage (17) is equipped with arc spout (18), the inner wall of arc spout (18) and the outer wall phase-match of gag lever post (13), one side of arc carriage (17) is equipped with locating hole (19), the quantity of locating hole (19) sets up to a plurality ofly, locating hole (19) equidistance distributes in one side of arc spout (18), the outer wall of screw rod (16) and the inner wall phase-match of locating hole (19).
2. A cowl having a noise reduction function according to claim 1, wherein: one side fixedly connected with first fixed foot (20) of arc carriage (17), one side fixedly connected with second fixed foot (21) of arc carriage (17).
3. A cowl having a noise reduction function according to claim 2, wherein: arc carriage (17) are through first fixed foot (20) and casing (1) fixed connection, arc carriage (17) are through second fixed foot (21) and casing (1) fixed connection.
4. A cowl having a noise reduction function according to claim 3, wherein: the inboard bottom and filter screen (5) fixed connection of casing (1), the inner wall of casing (1) is equipped with second mounting groove (25).
5. A cowl having a noise reduction function according to claim 4, wherein: the inner wall of the second mounting groove (25) is fixedly connected with the first sound absorption plate (2), and the number of the second mounting grooves (25) is two.
6. A cowl having a noise deadening function according to claim 5, wherein: the inner wall of the machine shell (1) is provided with a first mounting groove (24), and the inner wall of the first mounting groove (24) is fixedly connected with the second sound-absorbing board (3).
7. A cowl having a noise reduction function according to claim 6, wherein: the number of the second sound-absorbing boards (3) is multiple, and a top cover (6) is fixedly connected to the top end of the machine shell (1).
8. A cowl having a noise reduction function according to claim 7, wherein: the inboard of top cap (6) is equipped with air-out groove (22), one side of casing (1) is equipped with rotates hole (23), it is connected with axis of rotation (4) rotation to rotate hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123317650.3U CN216769673U (en) | 2021-12-27 | 2021-12-27 | Ventilating hood with noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123317650.3U CN216769673U (en) | 2021-12-27 | 2021-12-27 | Ventilating hood with noise reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216769673U true CN216769673U (en) | 2022-06-17 |
Family
ID=81968971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123317650.3U Active CN216769673U (en) | 2021-12-27 | 2021-12-27 | Ventilating hood with noise reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216769673U (en) |
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2021
- 2021-12-27 CN CN202123317650.3U patent/CN216769673U/en active Active
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