CN113089942B - Controllable dust removal environment-friendly unpowered hood - Google Patents
Controllable dust removal environment-friendly unpowered hood Download PDFInfo
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- CN113089942B CN113089942B CN202110382501.0A CN202110382501A CN113089942B CN 113089942 B CN113089942 B CN 113089942B CN 202110382501 A CN202110382501 A CN 202110382501A CN 113089942 B CN113089942 B CN 113089942B
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- butt
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- 239000000428 dust Substances 0.000 title claims abstract description 101
- 238000009423 ventilation Methods 0.000 claims abstract description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 18
- 210000001503 joint Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000003116 impacting effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/17—Ventilation of roof coverings not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/18—Cleaning-out devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ventilation (AREA)
Abstract
The invention belongs to the field of ventilation equipment, and discloses a controllable dust removal environment-friendly unpowered hood, which comprises a cylindrical rotating cylinder, the lower end of the rotating cylinder is rotatably connected with a fixed cylinder with equal diameter, the upper side of the rotating cylinder is provided with a control device for opening and closing the blast cap, the fixed cylinder is internally provided with a dust removal device for removing dust during ventilation, through the arrangement of the lifting ring and the sliding pin, when ventilation is not needed in the plant, the pull rod is pulled downwards by external force, so that the pull rod pulls the lifting ring to move downwards through the lifting rod, the lifting ring pulls the fan blade through the pull rope to drive the sliding pin to slide in the arc-shaped sliding groove, the blades rotate to close gaps between adjacent blades, so that the aim of stopping rotation and ventilation is fulfilled, and the service life of the bearing is prolonged.
Description
Technical Field
The invention belongs to the field of ventilation equipment, and particularly relates to a controllable dust removal environment-friendly unpowered hood.
Background
Roof unpowered fans are usually installed in warehouses, patios, livestock farms, florists or mine tunnels, especially on both sides of a ridge on top of an industrial building, and utilizes the natural principle that the hot air in the room rises and the cold air falls to form convection of the air inside and outside the room by the power generated by the air flow, thereby achieving the aim of air exhaust and air exchange, but the unpowered hood is installed on the roof, so the maintenance and the repair are very incomplete, and the long-time rotation of the hood can cause damage, and the damaged bearing has ventilation function, but the wind cap can not rotate in the rain, which can cause rain leakage in the gap of the side surface of the wind cap and damage to the blade by wind power, moreover, the unpowered hood is easy to directly discharge indoor smoke dust and the like outdoors during ventilation, and the outdoor environment is greatly influenced, so that the unpowered hood which can be switched on and off to control and remove dust is urgently needed to be designed.
Disclosure of Invention
The invention provides an unpowered hood which is controllable in switch and capable of removing dust in order to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a controllable type dust removal environmental protection unpowered hood, includes cylindric a rotation section of thick bamboo, the lower extreme of a rotation section of thick bamboo rotates and is connected with the fixed section of thick bamboo of constant diameter, a rotation section of thick bamboo upside is provided with the controlling means who opens and close the hood, be provided with the dust collector who removes dust when ventilating in the fixed section of thick bamboo.
Preferably, the control device comprises five first fixing rods which are uniformly and fixedly connected to the inner wall of the rotating cylinder along the circumferential direction, one ends of the five first fixing rods adjacent to each other are fixedly connected with rotating rings, through holes with upper and lower openings are formed in the rotating rings, rotating shafts are fixedly connected to the through holes, and rotating discs are fixedly connected to the upper ends of the rotating shafts.
Preferably, the upper portion of axis of rotation is provided with control mechanism, control mechanism is including seting up the decurrent open slot of opening in the axis of rotation, the lateral wall feeds through respectively around the open slot and is provided with the outside first spout of opening, two sliding connection has the lifter in the first spout, the lifter outwards extends, the both ends and the annular lifting ring fixed connection of lifter, the lifter with be connected with first spring on the open slot between the lateral wall, lifter downside fixedly connected with pull rod, pull rod downwardly extending enters into in the external space.
Preferably, the control device further comprises at least two blades fixedly connected to the upper side surface of the rotating cylinder, mounting holes are formed in the upper ends of the blades, mounting bolts are rotatably connected in the mounting holes and penetrate through the other ends of the mounting holes to be fixedly connected with the rotating disc, the blades are connected with the rotating disc through the mounting bolts, arc-shaped sliding grooves with downward openings and equal to the blades are formed in the rotating disc, sliding pins are fixedly connected to the upper side surface of each blade and are slidably connected in the corresponding arc-shaped sliding grooves, and a second spring is connected between each sliding pin and one side wall, close to the vertical central line of the rotating shaft, of the corresponding arc-shaped sliding groove; and a pull rope is connected between the lifting rings at the position of the lower side surface of each fan blade, which is close to the sliding pin.
Preferably, the inner wall of the fixing cylinder is uniformly and fixedly connected with five second fixing rods and five second fixing rods along the circumferential direction, one ends of the second fixing rods adjacent to each other are fixedly connected with an annular fixing disc, the rotating shaft penetrates through the fixing disc, and the rotating shaft is rotatably connected with the fixing disc.
Preferably, the dust removing device comprises an annular dust blocking plate fixedly connected to the inner wall of the fixing cylinder and used for blocking dust, the dust blocking plate is located on the lower side of the second fixing rod, an annular dust storage ring is fixedly connected to the inner wall of the fixing cylinder and located on the lower side of the dust blocking plate, an annular dust storage cavity with an upward opening and used for collecting dust is formed in the dust storage ring, four third springs are uniformly connected to the lower side of the fixing disc along the circumferential direction, a fixing rod is connected to the lower end of each third spring, an umbrella-shaped dust collecting plate is fixedly connected to the lower ends of the four fixing rods and located between the dust storage ring and the dust blocking plate, dust can fall into the dust storage cavity along the umbrella-shaped inclined plane of the dust collecting plate, and the rotating shaft penetrates through the dust collecting plate and the dust collecting plate in clearance fit with the dust collecting plate, and the circumferential surfaces of two adjacent fixing rods are respectively and fixedly connected with a pointed abutting block.
Preferably, two outside second spouts in opening have been seted up to the inner wall symmetry of open slot, the second spout is located the fixed disk with connect between the dirt board, every sliding connection has the connecting rod in the second spout, two the connecting rod with pull rod fixed connection, two the annular butt ring of outer end fixedly connected with of connecting rod, butt ring outer loop edge is the cutting edge form, the butt ring can with butt piece butt.
In summary, the invention has the following advantages:
through the lifting ring with the setting of sliding pin for when the factory building does not need the ventilation, lean on external force will the pull rod stimulates downwards, make the pull rod passes through the pull rod stimulates the lifting ring moves down, makes the lifting ring passes through the stay cord pulling the fan blade drives the sliding pin is in slide in the arc spout, make the fan blade takes place to rotate, and is adjacent right the gap between the fan blade is closed, reaches the purpose that the stall ventilates, improves bearing life.
Through the arrangement of the dust receiving plate and the dust blocking plate, when air is discharged from the inside to the outside, particulate matters such as dust in the air are blocked by the dust blocking plate after impacting the dust blocking plate, so that the particulate matters cannot be discharged along with the flowing of the air, then the dust falls into the dust storage ring to be collected, and meanwhile, part of the dust falls onto the dust receiving plate.
Through the butt joint ring with the setting of butt joint piece, make and work as when the pull rod moves down, the pull rod passes through the connecting rod drives the butt joint ring moves down, the butt joint ring with butt joint piece butt makes the butt joint piece drives the dead lever removes, works as the butt joint ring no longer with during the butt joint piece butt, the dead lever is in swing under the effect of third spring, the dead lever drives connect the dirt board to swing, will connect the dust on the dirt board to shake off and enter into in the dirt storage cavity, prevent connect to pile up the too much influence dust removal effect of dust on the dirt board.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
FIG. 5 is a cross-sectional view taken at C-C of FIG. 3;
FIG. 6 is an enlarged view of a portion of FIG. 3 at D;
FIG. 7 is an enlarged view of a portion of FIG. 4 at E;
fig. 8 is a partial enlarged view of F in fig. 4.
In the figure, a drum 101 is rotated; a stationary barrel 102; a control device 200; a first fixing lever 201; a rotating ring 202; a rotation shaft 203; a turn disc 204; a fan blade 205; a pull cord 206; an open groove 207; a first chute 208; a lifter 209; a first spring 210; a pull rod 211; a lift ring 212; mounting bolts 213; an arc-shaped chute 214; a second spring 215; a dust removing device 300; a fixed disk 301; a second fixing bar 302; a dust blocking plate 303; a dust storage ring 304; a dust storage chamber 305; a third spring 306; a fixing bar 307; a dust catching plate 308; an abutment block 309; a second chute 310; a connecting rod 311; abutting against the ring 312.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 8, and the technical solutions of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following orientations are specified: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.
As shown in figure 1, the controllable dust-removing environment-friendly unpowered hood comprises a cylindrical rotating cylinder 101, a fixed cylinder 102 with the same diameter is rotatably connected to the lower end of the rotating cylinder 101, a control device 200 for opening and closing the hood is arranged on the upper side of the rotating cylinder 101, and a dust removing device 300 for removing dust during ventilation is arranged in the fixed cylinder 102.
Referring to fig. 3 and 4, the control device 200 includes five first fixing rods 201 uniformly and fixedly connected to the inner wall of the rotary drum 101 along the circumferential direction, a rotary ring 202 is fixedly connected to one end of each of the five first fixing rods 201 adjacent to each other, a through hole with an upper opening and a lower opening is formed in the rotary ring 202, a rotary shaft 203 is fixedly connected to the through hole, and a rotary disc 204 is fixedly connected to the upper end of the rotary shaft 203.
As shown in fig. 6, a control mechanism is arranged on the upper portion of the rotating shaft 203, the control mechanism includes an open slot 207 which is arranged in the rotating shaft 203 and has a downward opening, front and rear side walls of the open slot 207 are respectively communicated with first sliding slots 208 which have outward openings, a lifting rod 209 is slidably connected in the two first sliding slots 208, the lifting rod 209 extends outward, two ends of the lifting rod 209 are fixedly connected with an annular lifting ring 212, a first spring 210 is connected between the lifting rod 209 and the upper side wall of the open slot 207, a pull rod 211 is fixedly connected to the lower side surface of the lifting rod 209, and the pull rod 211 extends downward into an external space.
Referring to fig. 4 and 7, the control device 200 further includes at least two blades 205 fixedly connected to the upper side surface of the rotating cylinder 101, the blades 205 are of the prior art and are not described again, mounting holes are formed in the upper ends of the blades 205, mounting bolts 213 are rotatably connected in the mounting holes, the mounting bolts 213 penetrate through the other ends of the mounting holes and are fixedly connected with the rotating disc 204, the blades 205 are connected with the rotating disc 204 by the mounting bolts 213, arc-shaped sliding grooves 214 with downward openings are formed in the rotating disc 204, the number of the arc-shaped sliding grooves 214 is equal to that of the blades 205, sliding pins are fixedly connected to the upper side surfaces of the blades 205 and are slidably connected in the corresponding arc-shaped sliding grooves 214, and a second spring 215 is connected between each sliding pin and a side wall of the corresponding arc-shaped sliding groove 214, which is close to the vertical center line of the rotating shaft 203; a pull rope 206 is connected between the lifting rings 212 at the position of the lower side surface of each fan blade 205 close to the sliding pin. Through the setting of lift ring 212 and sliding pin for when the factory building does not need the ventilation inside, lean on external force to stimulate pull rod 211 downwards, make pull rod 211 pass through lifter 209 pulling lift ring 212 downstream, make lift ring 212 pass through stay cord 206 pulling fan blade 205 and drive the sliding pin and slide in arc spout 214, make fan blade 205 take place to rotate, close the gap between the adjacent fan blade 205 to reach the mesh that the stall ventilates, improve bearing life.
As shown in fig. 3 and 4, five second fixing rods 302 are uniformly and fixedly connected to the inner wall of the fixing cylinder 102 along the circumferential direction, an annular fixing disc 301 is fixedly connected to one end of each of the five second fixing rods 302, the rotating shaft 203 penetrates through the fixing disc 301, and the rotating shaft 203 is rotatably connected to the fixing disc 301.
Referring to fig. 3, 4 and 8, the dust removing device 300 includes an annular dust blocking plate 303 fixedly connected to an inner wall of the fixing cylinder 102 for blocking dust, the dust blocking plate 303 is located at a lower side of the second fixing rod 302, an annular dust storage ring 304 is fixedly connected to the inner wall of the fixing cylinder 102, the dust storage ring 304 is located at a lower side of the dust blocking plate 303, an annular dust storage cavity 305 with an upward opening for collecting dust is formed in the dust storage ring 304, four third springs 306 are uniformly connected to a lower side of the fixing disc 301 along a circumferential direction, a fixing rod 307 is connected to a lower end of each third spring 306, an umbrella-shaped dust receiving plate 308 is fixedly connected to a lower end of each fixing rod 307, the dust receiving plate 308 is located between the dust storage ring 304 and the dust blocking plate 303, dust can fall into the dust storage cavity 305 along an umbrella-shaped slope of the dust receiving plate 308, the rotating shaft 203 penetrates through the dust receiving plate 308 and is in clearance fit with the dust receiving plate 308, the circumferential surfaces of two adjacent fixing rods 307 are fixedly connected with pointed abutting blocks 309 respectively.
As shown in fig. 8, two second sliding grooves 310 with outward openings are symmetrically formed in the inner wall of the opening groove 207, the second sliding grooves 310 are located between the fixed plate 301 and the dust receiving plate 308, each second sliding groove 310 is connected with a connecting rod 311 in a sliding manner, the two connecting rods 311 are fixedly connected with the pull rod 211, the outer ends of the two connecting rods 311 are fixedly connected with annular abutting rings 312, the outer ring edges of the abutting rings 312 are blade-shaped, and the abutting rings 312 can abut against the abutting blocks 309. Through the arrangement of the dust receiving plate 308 and the dust blocking plate 303, when air is discharged from the inside to the outside, particulate matters such as dust in the air are blocked by the dust blocking plate 303 after impacting the dust blocking plate 303, so that the particulate matters cannot be discharged along with the flowing of the air, then the dust falls into the dust storage ring 304 and is collected, and meanwhile, part of the dust falls onto the dust receiving plate 308. Through the setting of butt ring 312 and butt piece 309, make when pull rod 211 downstream, pull rod 211 passes through connecting rod 311 and drives butt ring 312 downstream, butt ring 312 and butt piece 309 butt, make butt piece 309 drive dead lever 307 to remove, when butt ring 312 no longer with the butt piece 309 butt, dead lever 307 swings under the effect of third spring 306, dead lever 307 drives and connects dirt board 308 to swing, will connect the dust on dirt board 308 to shake off and enter into dust storage chamber 305, prevent to connect and pile up the too much dust that influences dust removal effect on the dirt board 308.
The working principle is as follows: when the wind cap is in an open state, external wind drives the fan blades 205 to rotate, air flows to the upper portion from the lower portion, dust in the air collides with the dust blocking plate 303, the dust does not flow out along with the air, and the dust removing effect is achieved.
When ventilation is not required, the pull rod 211 is pulled downward by an external force, so that the pull rod 211 pulls the lifting ring 212 to move downward by the lifting rod 209, so that the lifting ring 212 pulls the fan blade 205 through the pull rope 206 to drive the sliding pin to slide in the arc-shaped sliding groove 214, the blades 205 are rotated to close the gaps between adjacent blades 205, thereby achieving the purpose of stopping rotation and ventilation, prolonging the service life of the bearing, the pull rod 211 moves downwards and simultaneously drives the connecting rod 311 to move downwards, the connecting rod 311 drives the abutting ring 312 to move downwards, the abutting ring 312 abuts against the abutting block 309, so that the abutting block 309 drives the fixing rod 307 to move, when the abutting ring 312 is no longer abutted to the abutting block 309, the fixing rod 307 swings under the action of the third spring 306, the fixing rod 307 drives the dust receiving plate 308 to swing, dust on the dust receiving plate 308 is shaken off and enters the dust storage cavity 305, and the dust collecting effect is prevented from being influenced by excessive dust accumulated on the dust receiving plate 308.
It is to be understood that the above-described embodiments are only a few embodiments of the present invention, and not all embodiments. The above examples are only for explaining the present invention and do not constitute a limitation to the scope of protection of the present invention. All other embodiments, which can be derived by those skilled in the art from the above-described embodiments without any creative effort, namely all modifications, equivalents, improvements and the like made within the spirit and principle of the present application, fall within the protection scope of the present invention claimed.
Claims (4)
1. The utility model provides a controllable type dust removal environmental protection unpowered hood, includes cylindric a rotation section of thick bamboo (101), the lower extreme of a rotation section of thick bamboo (101) is rotated and is connected with constant diameter's fixed cylinder (102), its characterized in that: a control device (200) for opening and closing the blast cap is arranged on the upper side of the rotating cylinder (101), and a dust removal device (300) for removing dust during ventilation is arranged in the fixed cylinder (102);
the control device (200) comprises five first fixing rods (201) which are uniformly and fixedly connected to the inner wall of the rotating cylinder (101) along the circumferential direction, one adjacent ends of the five first fixing rods (201) are fixedly connected with a rotating ring (202), a through hole with an upper opening and a lower opening is formed in the rotating ring (202), a rotating shaft (203) is fixedly connected in the through hole, and a rotating disc (204) is fixedly connected to the upper end of the rotating shaft (203); the upper portion of axis of rotation (203) is provided with control mechanism, control mechanism is including seting up open slot (207) that open side down in axis of rotation (203), the lateral wall communicates respectively around open slot (207) and is provided with outside first spout (208) of opening, two sliding connection has lifter (209) in first spout (208), lifter (209) outwards extend, the both ends and annular lift ring (212) fixed connection of lifter (209), be connected with first spring (210) between lifter (209) and the lateral wall on open slot (207), lifter (209) downside fixed connection has pull rod (211), pull rod (211) downwardly extending gets into in the external space; the control device (200) also comprises at least two fan blades (205) fixedly connected with the upper side surface of the rotary cylinder (101), the upper end of the fan blade (205) is provided with a mounting hole, a mounting bolt (213) is rotatably connected in the mounting hole, the mounting bolt (213) penetrates through the other end of the mounting hole and is fixedly connected with the rotating disc (204), the mounting bolt (213) connects the fan blade (205) with the rotating disc (204), arc-shaped sliding grooves (214) with downward openings and the number equal to that of the fan blades (205) are arranged in the rotating disc (204), the upper side surface of the fan blade (205) is fixedly connected with a sliding pin, the sliding pin is connected in the corresponding arc-shaped sliding groove (214) in a sliding manner, and a second spring (215) is connected between each sliding pin and one side wall of the corresponding arc-shaped sliding groove (214) close to the vertical central line of the rotating shaft (203); and a pull rope (206) is connected between the lifting rings (212) at the position of the lower side surface of each fan blade (205) close to the sliding pin.
2. The controllable dust-removing environment-friendly unpowered hood as claimed in claim 1, wherein: fixed cylinder (102) inner wall is along five second dead levers (302) of the even fixedly connected with of circumferencial direction, five the annular fixed disk (301) of the one end fixedly connected with that second dead lever (302) are adjacent, axis of rotation (203) run through fixed disk (301), axis of rotation (203) with fixed disk (301) rotate and are connected.
3. The controllable dust-removing environment-friendly unpowered hood as claimed in claim 2, wherein: dust collector (300) is including fixed connection the annular in fixed cylinder (102) inner wall is used for blockking the dirt board (303) that hinders of dust, it is located to hinder dirt board (303) the downside of second dead lever (302), fixedly connected with annular storage dirt ring (304) in fixed cylinder (102) inner wall, storage dirt ring (304) are located hinder the downside of dirt board (303), it upwards is used for collecting dust storage dirt chamber (305) to have annular opening to set up in storage dirt ring (304), the downside of fixed disk (301) evenly is connected with four third springs (306) along the circumferencial direction, every third spring (306) lower extreme is connected with dead lever (307), four dead lever (307) lower extreme fixedly connected with umbelliform connect dirt board (308), it is located to connect dirt board (308) store dirt ring (304) with hinder between dirt board (303), the dust can follow the umbelliform inclined plane of connecing dirt board (308) drops and enters into in dust storage chamber (305), axis of rotation (203) run through connect dirt board (308) with connect dirt board (308) clearance fit, wherein two adjacent respectively fixedly connected with on the dead lever (307) the periphery butt piece (309) of point form.
4. The controllable dust-removing environment-friendly unpowered hood as recited in claim 3, wherein: two outside second spout (310) of opening have been seted up to the inner wall symmetry of open slot (207), second spout (310) are located fixed disk (301) with connect between dirt board (308), every sliding connection has connecting rod (311), two in second spout (310) connecting rod (311) with pull rod (211) fixed connection, two the outer end fixedly connected with annular butt ring (312) of connecting rod (311), butt ring (312) outer ring edge is the sword form, butt ring (312) can with butt piece (309) butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110382501.0A CN113089942B (en) | 2021-04-09 | 2021-04-09 | Controllable dust removal environment-friendly unpowered hood |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110382501.0A CN113089942B (en) | 2021-04-09 | 2021-04-09 | Controllable dust removal environment-friendly unpowered hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113089942A CN113089942A (en) | 2021-07-09 |
| CN113089942B true CN113089942B (en) | 2022-07-05 |
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| CN202110382501.0A Active CN113089942B (en) | 2021-04-09 | 2021-04-09 | Controllable dust removal environment-friendly unpowered hood |
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| CN116044823B (en) * | 2022-10-26 | 2023-08-15 | 徐州力泰钢结构有限公司 | Dustproof ventilation function steel construction has |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2016202363B2 (en) * | 2015-04-14 | 2022-04-28 | Hawkes-Sabo, Vennesa MS | A ventilator for a roof space or the like |
| CN108386948B (en) * | 2018-02-05 | 2021-08-20 | 义乌市嘉诗电子科技有限公司 | Novel unpowered fan with dust removal function |
| TWM566233U (en) * | 2018-06-15 | 2018-09-01 | 蕭連進 | Improvement of ventilation ball structure |
| CN209165670U (en) * | 2018-12-05 | 2019-07-26 | 张晓静 | A kind of non-power air purification system for multi-story structure |
| CN209726433U (en) * | 2019-04-02 | 2019-12-03 | 李兴江 | A kind of roof air cap |
| CN210663226U (en) * | 2019-09-23 | 2020-06-02 | 盐城黑马科技发展股份有限公司 | Embedded cylindricality stainless steel hood |
| CN112503672A (en) * | 2020-11-30 | 2021-03-16 | 喆祥(杭州)品牌管理有限公司 | Factory building ventilation unit with open and close function |
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