CN217941288U - Air suction hood - Google Patents
Air suction hood Download PDFInfo
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- CN217941288U CN217941288U CN202221794375.6U CN202221794375U CN217941288U CN 217941288 U CN217941288 U CN 217941288U CN 202221794375 U CN202221794375 U CN 202221794375U CN 217941288 U CN217941288 U CN 217941288U
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- cover
- air inlet
- cover body
- valve
- suction hood
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- 230000007246 mechanism Effects 0.000 claims description 10
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- 239000000428 dust Substances 0.000 abstract description 55
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- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an air suction hood, which comprises a hood body; wherein, an air suction channel is arranged inside the cover body; the bottom of the cover body is provided with a bottom air inlet communicated with the air suction channel; the side wall of the cover body is provided with at least one side air inlet communicated with the air suction channel; the upper end of the cover body is provided with an air outlet used for connecting a negative pressure source. The utility model discloses can suck away the dust of raising to the hopper top, can prevent the environment around the dust pollution.
Description
Technical Field
The utility model relates to an air suction cover.
Background
At present, the in-process that materials such as wheat, maize advance the storehouse and go out the storehouse can generally use the hopper to accept the material in order to prevent that the material from scattering, can produce the dust when the material falls into the hopper to the speed that the material drops into in the hopper is then fast more the dust that produces. At present, an air suction hood is usually arranged above a hopper to suck dust in order to remove the dust, and the air suction hood is connected with a negative pressure source to obtain suction force. The current cover that induced drafts only is equipped with one in the bottom and aims at the air intake of hopper, the inside dust of hopper can only be inhaled to this air intake, however when the material is put in speed when very fast, the dust in the hopper can upwards be risen the top of take the altitude to the hopper, and the current cover that induced drafts can't be inhaled and is risen the dust to the hopper top, and the dust of rising can waft influence the environment on every side in the air.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a cover induced drafts, it can suck away the dust of raising to the hopper top, can prevent the environment around the dust pollution.
In order to solve the technical problem, the technical scheme of the utility model is that: an air suction hood comprises a hood body; wherein,
an air suction channel is arranged inside the cover body;
the bottom of the cover body is provided with a bottom air inlet communicated with the air suction channel;
the side wall of the cover body is provided with at least one side air inlet communicated with the air suction channel;
the upper end of the cover body is provided with an air outlet used for connecting a negative pressure source.
Further, in order to control the opening and closing of the side air inlet, the air suction cover further comprises a switch device which corresponds to the side air inlet and is used for opening and closing the corresponding side air inlet, and the switch device comprises a wind shield and a locking mechanism; wherein,
the wind shield is movably connected to the shield body and is used for moving to shield at least one part of the corresponding side air inlet or moving to open the corresponding side air inlet;
the locking mechanism is connected to the cover body and used for locking and fixing the wind deflector on the cover body when the corresponding wind deflector moves in place.
Further provides a concrete structure of the locking mechanism, wherein the locking mechanism comprises a left locking bolt and a right locking bolt;
the left end part of the wind shield is provided with a left sliding chute, and the right end part of the wind shield is provided with a right sliding chute;
the left locking bolt penetrates through the left sliding groove and then is in threaded connection with the cover body, and the right locking bolt penetrates through the right sliding groove and then is in threaded connection with the cover body.
The utility model provides a left side spout with the concrete structure of right side spout, left side spout with right side spout is waist type groove, the length direction in waist type groove sets up along vertical direction.
The specific structure of the wind shield is further provided, and the wind shield comprises a main plate body for blocking and opening the corresponding side air inlet and a folding edge part which is connected to the main plate body and is tilted relative to the main plate body;
the left sliding groove is formed in the left end portion of the main board body, and the right sliding groove is formed in the right end portion of the main board body.
Furthermore, the side air inlets are at least two and are sequentially arranged from bottom to top.
Further, in order to control the on-off of the air outlet, a valve for opening and closing the air outlet is connected to the cover body.
Further provides a specific structure of the valve, the valve comprises a valve seat, a valve clack, a worm wheel, a worm and a hand wheel; wherein,
the valve seat is connected to the upper end part of the cover body, and a valve passage communicated with the air outlet is arranged in the valve seat;
the valve clack is rotatably connected in the valve passage and is used for rotating to open and close the valve passage;
the worm wheel is connected with the valve clack;
the worm is rotationally connected to the valve seat and meshed with the worm wheel;
the hand wheel is connected to the worm.
Further provides a concrete structure of the cover body, wherein the cover body comprises a cylindrical cover and a conical cover; wherein,
the conical cover is connected to the upper end part of the cylindrical cover;
the bottom air inlet is formed in the bottom of the cylindrical cover;
the air outlet is formed in the top of the conical cover;
the side air inlet is formed in the side wall of the cylindrical cover;
one part of the air suction channel is arranged in the cylindrical cover, and the other part of the air suction channel is arranged in the conical cover.
Further, the cross section of the conical cover is gradually enlarged from top to bottom;
and/or the cross-sectional shape of the cylindrical cage is rectangular.
After the technical scheme is adopted, the hopper can be used when the materials enter the bin and leave the bin, the bin can be connected below the hopper, the materials fall into the hopper quickly, a large amount of dust can be generated in the hopper, and part of the dust can be raised above the hopper. Will the cover of induced drafting is installed the top of hopper, this moment the end air intake is aimed at the hopper and then can be siphoned away the inside dust of hopper, the side air intake can be inhaled and kicked up to the dust of hopper top, and then can prevent that the dust from wafting to in the environment on every side, improve dust removal effect, avoid the environment on every side of dust pollution, can also prevent that the staff from inhaling the dust, guaranteed that the staff's is healthy. Wherein, the air outlet can provide suction after being connected with the negative pressure source.
Drawings
FIG. 1 is a diagram showing the position relationship between an air suction hood and a hopper according to the present invention;
fig. 2 is a schematic structural view of the air suction hood of the present invention;
FIG. 3 is a detail view of a portion of FIG. 2;
fig. 4 is a side sectional view of the air suction hood of the present invention;
fig. 5 is a front view of the air suction hood of the present invention.
Detailed Description
In order that the present invention may be more clearly understood, the following detailed description is given with reference to the accompanying drawings.
As shown in fig. 1 to 5, an air suction hood comprises a hood body 100; wherein,
an air suction channel 1 is arranged in the cover body 100;
the bottom of the cover body 100 is provided with a bottom air inlet 2 communicated with the air suction channel 1;
the side wall of the cover body 100 is provided with at least one side air inlet 3 communicated with the air suction channel 1;
the upper end part of the cover body 100 is provided with an air outlet 4 for connecting a negative pressure source; as shown in figure 1, the hopper 5 is used when materials enter the bin and leave the bin, the bin can be connected below the hopper 5, a large amount of dust can be generated when the materials quickly fall into the hopper 5, and part of the dust can be raised above the hopper 5. Will the cover of induced drafting is installed the top of hopper 5, this moment end air intake 2 is aimed at hopper 5 and then can be siphoned away the inside dust of hopper 5, side air intake 3 can be inhaled and kicked up to the dust of hopper 5 top, and then can prevent that the dust from wafting to the environment on every side, improves dust removal effect, avoids the environment on every side of dust pollution, can also prevent that the staff from inhaling the dust, has guaranteed that the staff is healthy. In this embodiment, air outlet 4 can provide suction after being connected with the negative pressure source, the negative pressure source can be negative-pressure air fan, the material can but not be limited to the wheat, the top of hopper 5 can be equipped with two the cover that induced drafts.
As shown in fig. 2 to 5, the air suction hood may further include a switch device corresponding to the side air inlet 3 and used for opening and closing the corresponding side air inlet 3, and the switch device includes, for example and without limitation, a wind shield 6 and a locking mechanism; wherein,
the wind deflector 6 is movably connected to the cover 100 and is used for moving to block at least a part of the corresponding side air inlet 3 or moving to open the corresponding side air inlet 3;
the locking mechanism is connected to the cover 100 and used for locking and fixing the wind deflector 6 on the cover 100 when the corresponding wind deflector 6 moves in place; specifically, when the material falls into the hopper 5 at a low speed, less dust is generated, and at the moment, the dust is completely positioned in the hopper 5 and cannot be raised above the hopper 5. In this case, the wind deflector 6 is moved to completely block the side air inlet 3, so that the side air inlet 3 is closed, and thus the suction force in the suction channel 1 is completely concentrated at the bottom air inlet 2, so as to quickly suck away the dust inside the hopper 5.
If the material falls into the hopper 5 at a high speed, a large amount of dust is generated, and at the moment, the dust is not only filled in the hopper 5, but also raised above the hopper 5. In this case, the wind blocking plate 6 is moved to open the side air inlet 3, so that a part of the suction force in the suction channel 1 is dispersed to the side air inlet, the side air inlet can suck the dust raised above the hopper 5, and the bottom air inlet 2 can suck the dust inside the hopper 5.
As shown in fig. 2 to 5, the locking mechanism may include a left locking bolt 7 and a right locking bolt 8;
the left end part of the wind shield 6 is provided with a left sliding chute 9, and the right end part of the wind shield 6 is provided with a right sliding chute 10;
the left locking bolt 7 penetrates through the left sliding groove 9 and then is in threaded connection with the cover body 100, and the right locking bolt 8 penetrates through the right sliding groove 10 and then is in threaded connection with the cover body 100; specifically, after the left locking bolt 7 and the right locking bolt 8 are loosened, the wind deflector 6 can slide relative to the housing 100 through the left sliding chute 9 and the right sliding chute 10, and the wind deflector 6 can open and close the corresponding side air inlet 3 in the sliding process; when the left locking bolt 7 and the right locking bolt 8 are tightened, the wind deflector 6 is locked to the housing 100.
In this embodiment, the left sliding groove 9 and the right sliding groove 10 may be waist-shaped grooves, and the length direction of the waist-shaped grooves is arranged along the vertical direction.
As shown in fig. 2 to 5, the wind deflector 6 may include a main plate body 11 for blocking and opening the corresponding side air inlet 3, and a folded edge portion 12 connected to the main plate body 11 and tilted relative to the main plate body 11;
the left sliding chute 9 is arranged at the left end part of the main board body 11, and the right sliding chute 10 is arranged at the right end part of the main board body 11; specifically, the hem portion 12 can be held by a hand when the wind deflector 6 is slid, so that the wind deflector 6 is conveniently slid, and the hem portion 12 can also enhance the structural strength of the wind deflector 6.
As shown in fig. 1 to 5, at least two side air inlets 3 may be provided, and at least two side air inlets 3 are sequentially arranged from bottom to top; specifically, how much the dust produced in the hopper 5 falls into the hopper 5 with the material, the material falls into slowly the dust produced in the hopper 5 is few, the dust is concentrated in the hopper 5, at this moment, all the side air inlets 3 are closed, and only through the bottom air inlet 2, the dust in the hopper 5 can be sucked. When the speed of the material falling into the hopper 5 is increased, more dust in the hopper 5 is generated, part of the dust can be lifted upwards to the upper part of the hopper 5, the side air inlets 3 below the dust lifting height are all opened according to the dust lifting height, the side air inlets 3 above the dust lifting height are closed, and the lifted dust can be sucked by the opened side air inlets 3. Specifically, the suction in the air suction channel 1 is constant, and when the more the side air inlets 3 are opened, the less the suction of each side air inlet 3 and the bottom air inlet 2 is, the proper number of side air inlets 3 are opened according to the height raised by the dust, so that the suction in the air suction channel 1 can be fully utilized to the maximum extent, the dust absorption efficiency is improved, and the dust removal effect is improved.
As shown in fig. 2, 4 and 5, a valve 13 for opening and closing the air outlet 4 may be further connected to the cover 100, so as to control the connection and disconnection of the negative pressure source; specifically, the valve 13 is connected to the top of the housing 100.
In this embodiment, the valve 13 may include a valve seat 14, a valve flap, a worm wheel, a worm, and a hand wheel 15; wherein,
the valve seat 14 is connected to the upper end of the cover 100, and a valve passage communicated with the air outlet 4 is arranged in the valve seat 14;
the valve clack is rotatably connected in the valve passage and is used for rotating to open and close the valve passage;
the worm wheel is connected with the valve clack;
the worm is rotatably connected to the valve seat 14 and is meshed with the worm wheel;
the hand wheel 15 is connected to the worm; specifically, the hand wheel 15 is rotated to drive the worm to rotate, so as to drive the worm wheel and the valve flap to rotate, so that the valve flap opens and closes the valve channel, that is, the air outlet 4 is opened and closed.
As shown in fig. 1 to 5, the cover 100 may include a cylindrical cover 16 and a conical cover 17; wherein,
the conical cover 17 is connected to the upper end of the cylindrical cover 16;
the bottom air inlet 2 is arranged at the bottom of the cylindrical cover 16;
the air outlet 4 is arranged at the top of the conical cover 17;
the side air inlet 3 is arranged on the side wall of the cylindrical cover 16;
a part of the suction channel 1 is provided in the cylindrical cover 16, and another part of the suction channel 1 is provided in the conical cover 17.
In the present embodiment, the cross section of the conical cover 17 becomes gradually larger from top to bottom, and the conical cover 17 can collect dust into the air outlet 4;
the cross-sectional shape of the cylindrical cap 16 is rectangular, that is, the cylindrical cap 16 has a quadrangular prism structure.
The utility model discloses a theory of operation as follows:
all can use hopper 5 when the material advances the storehouse and goes out the storehouse, and the feed bin can be connected to the below of hopper 5, falls into when the material fast can produce a large amount of dusts during in the hopper 5, and wherein some dusts can be raiseed the top of hopper 5. Will the cover of induced drafting is installed the top of hopper 5, this moment end air intake 2 is aimed at hopper 5 and then can be siphoned away the inside dust of hopper 5, side air intake 3 can be inhaled and kicked up to the dust of hopper 5 top, and then can prevent that the dust from wafting to the environment on every side, improves dust removal effect, avoids the environment on every side of dust pollution, can also prevent that the staff from inhaling the dust, has guaranteed that the staff is healthy. Wherein, the air outlet 4 can provide suction after being connected with the negative pressure source.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An air suction hood is characterized by comprising a hood body (100); wherein,
an air suction channel (1) is arranged in the cover body (100);
the bottom of the cover body (100) is provided with a bottom air inlet (2) communicated with the air suction channel (1);
the side wall of the cover body (100) is provided with at least one side air inlet (3) communicated with the air suction channel (1);
the upper end part of the cover body (100) is provided with an air outlet (4) used for connecting a negative pressure source.
2. The suction hood according to claim 1, characterized by further comprising a switch device corresponding to the side air inlet (3) and used for opening and closing the corresponding side air inlet (3), wherein the switch device comprises a wind shield (6) and a locking mechanism; wherein,
the wind deflector (6) is movably connected to the cover body (100) and is used for moving to block at least one part of the corresponding side air inlet (3) or moving to open the corresponding side air inlet (3);
the locking mechanism is connected to the cover body (100) and used for locking and fixing the wind deflector (6) on the cover body (100) when the corresponding wind deflector (6) moves in place.
3. Suction hood according to claim 2,
the locking mechanism comprises a left locking bolt (7) and a right locking bolt (8);
the left end part of the wind shield (6) is provided with a left sliding chute (9), and the right end part of the wind shield (6) is provided with a right sliding chute (10);
the left locking bolt (7) penetrates through the left sliding groove (9) and then is in threaded connection with the cover body (100), and the right locking bolt (8) penetrates through the right sliding groove (10) and then is in threaded connection with the cover body (100).
4. Air suction hood according to claim 3, characterized in that the left chute (9) and the right chute (10) are both waist-shaped grooves, the length direction of which is arranged in the vertical direction.
5. Suction hood according to claim 3,
the wind shield (6) comprises a main plate body (11) for blocking and opening the corresponding side air inlet (3) and a folding edge part (12) which is connected to the main plate body (11) and is tilted relative to the main plate body (11);
the left sliding groove (9) is arranged at the left end of the main plate body (11), and the right sliding groove (10) is arranged at the right end of the main plate body (11).
6. Suction hood according to claim 1, characterized in that the side intakes (3) are provided with at least two, at least two side intakes (3) being arranged in sequence from bottom to top.
7. Suction hood according to claim 1, characterized in that a valve (13) for opening and closing the outlet opening (4) is also connected to the hood body (100).
8. Suction hood according to claim 7, characterized in that the valve (13) comprises a valve seat (14), a flap, a worm wheel, a worm and a hand wheel (15); wherein,
the valve seat (14) is connected to the upper end part of the cover body (100), and a valve passage communicated with the air outlet (4) is arranged in the valve seat (14);
the valve clack is rotatably connected in the valve passage and is used for rotating to open and close the valve passage;
the worm wheel is connected with the valve clack;
the worm is rotationally connected to the valve seat (14) and meshed with the worm wheel;
the hand wheel (15) is connected to the worm.
9. Suction hood according to claim 1, characterized in that the hood body (100) comprises a cylindrical hood (16) and a conical hood (17); wherein,
the conical cover (17) is connected to the upper end part of the cylindrical cover (16);
the bottom air inlet (2) is formed in the bottom of the cylindrical cover (16);
the air outlet (4) is arranged at the top of the conical cover (17);
the side air inlet (3) is formed in the side wall of the cylindrical cover (16);
one part of the air suction channel (1) is arranged in the cylindrical cover (16), and the other part of the air suction channel (1) is arranged in the conical cover (17).
10. Suction hood according to claim 9,
the cross section of the conical cover (17) is gradually enlarged from top to bottom;
and/or the cylindrical cap (16) is rectangular in cross-sectional shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221794375.6U CN217941288U (en) | 2022-07-11 | 2022-07-11 | Air suction hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221794375.6U CN217941288U (en) | 2022-07-11 | 2022-07-11 | Air suction hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217941288U true CN217941288U (en) | 2022-12-02 |
Family
ID=84220165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221794375.6U Active CN217941288U (en) | 2022-07-11 | 2022-07-11 | Air suction hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217941288U (en) |
-
2022
- 2022-07-11 CN CN202221794375.6U patent/CN217941288U/en active Active
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