CN111742726A - Easy open and close ventilation opening - Google Patents
Easy open and close ventilation opening Download PDFInfo
- Publication number
- CN111742726A CN111742726A CN202010589594.XA CN202010589594A CN111742726A CN 111742726 A CN111742726 A CN 111742726A CN 202010589594 A CN202010589594 A CN 202010589594A CN 111742726 A CN111742726 A CN 111742726A
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- China
- Prior art keywords
- shell
- driving
- rod
- vertical
- bevel gears
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
- A01F25/16—Arrangements in forage silos
- A01F25/22—Ventilating arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
Abstract
The invention relates to a vent convenient to open and close, which comprises a shell, wherein an axial flow fan is arranged in the shell, one end of the shell is provided with an opening and closing device, the opening and closing device comprises a plurality of baffles, the opposite inner sides of two adjacent baffles are mutually attached, and the far sides of the two baffles at the top and the bottom are respectively attached to the top and the bottom of the shell; two ends of each baffle are fixedly connected with a rotating shaft respectively, the rotating shafts are rotatably connected to the side wall of the shell, a plurality of rotating shafts positioned on the same side are sleeved and fixed with first bevel gears, and one side of the shell is provided with a driving mechanism; the driving mechanism comprises a first electric push rod vertically arranged on one side of the shell and a driving rod fixedly connected to a piston rod of the first electric push rod; one side of the shell is rotatably connected with a vertical pipe, a plurality of second bevel gears are fixedly sleeved on the vertical pipe, and the first bevel gears and the second bevel gears are correspondingly meshed one to one; and a matching assembly for driving the vertical pipe to rotate is arranged between the driving rod and the vertical pipe. The invention facilitates opening the vent.
Description
Technical Field
The invention relates to the technical field of ventilation openings, in particular to a ventilation opening convenient to open and close.
Background
The ventilation openings mean ventilation holes on the walls or roofs of some houses, which are visible everywhere in ancient times, and some ventilation bricks with decorative stripes.
The prior art can refer to the chinese utility model patent that the grant bulletin number is CN205755688U, and it discloses a ventilation opening of grain warehouse, including barrel, the heat preservation lid that is located the barrel top, be used for preventing stop gear that the heat preservation lid dropped, be used for the hand wheel mechanism of connecting barrel and heat preservation lid, the barrel is circular, the barrel includes inner wall, outer wall, is located the insulation material between inner wall and the outer wall, barrel upper end outward flange is equipped with the spacer, the spacer overcoat has joint strip, joint strip is cavity compels tight formula joint strip. This technical scheme provides a vent in grain warehouse for the sealed effectual of warehouse vent has increased stop gear simultaneously, makes sealed lid be difficult for the landing, and hand wheel mechanism makes the operation more convenient.
The above prior art solutions have the following drawbacks: although it is convenient to close the vent, it is inconvenient to open the vent.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the vent convenient to open and close, and the vent is convenient to open.
The above object of the present invention is achieved by the following technical solutions:
a vent convenient to open and close comprises a shell, wherein an axial flow fan is installed in the shell, an opening and closing device is installed at one end of the shell and comprises a plurality of baffles which are sequentially connected to the side wall of the shell in a rotating mode along the vertical direction, the opposite inner sides of every two adjacent baffles are mutually attached, and the far sides of the two baffles at the top and the bottom are respectively attached to the top and the bottom of the shell; two ends of each baffle are fixedly connected with a rotating shaft respectively, the rotating shafts are rotatably connected to the side wall of the shell, a plurality of rotating shafts positioned on the same side are fixedly sleeved with a first bevel gear, and one side of the shell close to the first bevel gear is provided with a driving mechanism for driving the plurality of first bevel gears to rotate; the driving mechanism comprises a first electric push rod vertically arranged on one side of the shell and a driving rod fixedly connected to a piston rod of the first electric push rod; a vertical pipe is rotatably connected to one side of the shell, a plurality of second bevel gears are fixedly sleeved on the vertical pipe, and the first bevel gears and the second bevel gears are correspondingly meshed one to one; and a matching assembly for driving the vertical pipe to rotate is arranged between the driving rod and the vertical pipe.
By adopting the technical scheme, when the vent needs to be opened, the piston rod of the first electric push rod drives the driving rod to move in the vertical pipe, at the moment, the driving rod drives the vertical pipe to rotate under the action of the matching component, the vertical pipe rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the rotating shaft to rotate, and the rotating shaft rotates to drive the baffle to rotate, so that the vent can be opened; in conclusion, the ventilation opening is convenient to open by arranging the opening and closing device.
The present invention in a preferred example may be further configured to: the cooperation subassembly includes a plurality of spiral pieces of rigid coupling in the actuating lever lateral wall, a plurality of helicla flutes have been seted up to the inside wall of standpipe, spiral piece with the helicla flute one-to-one cooperation.
Through adopting above-mentioned technical scheme, through setting up spiral piece and helicla flute, the actuating lever drive standpipe of being convenient for rotates.
The present invention in a preferred example may be further configured to: every the jack has been seted up at the top of baffle, the vertical second electric putter of installing in top of casing, the rigid coupling has the picture peg on second electric putter's the piston rod, offer in the casing and be used for supplying the picture peg to follow the vertical groove that slides, work as when the baffle is in vertical state, the picture peg can be pegged graft in a plurality of jacks in proper order.
Through adopting above-mentioned technical scheme, after the baffle is in vertical state, the piston rod drive picture peg through second electric putter is pegged graft with the jack to be convenient for further seal the vent, therefore can reduce the mosquito and get into the warehouse.
The present invention in a preferred example may be further configured to: the axial flow fan is characterized in that metal nets are fixedly connected to two ends of the axial flow fan respectively, a cleaning device for cleaning the two metal nets is installed in the shell, a cavity is formed in the side wall of the top of the shell, channels are formed in two ends of the bottom of the cavity respectively, and the cleaning device comprises two vertical rods which are connected to the two channels in a sliding mode in the vertical direction respectively and two horizontal plates which are fixedly connected to the bottoms of the two vertical rods respectively; bristles are fixedly connected to the opposite inner sides of the two horizontal plates respectively; and a transmission mechanism for driving the two vertical rods to slide vertically is arranged in the cavity.
By adopting the technical scheme, when the metal net needs to be cleaned, the vertical rod is driven to move downwards through the transmission mechanism, the vertical rod moves downwards to drive the horizontal plate to move downwards, and the horizontal plate moves downwards to drive the bristles to move downwards, so that the metal net can be cleaned; through setting up cleaning device, be convenient for clear up the metal mesh.
The present invention in a preferred example may be further configured to: the transmission mechanism comprises a lead screw horizontally and rotatably connected in the cavity and a driving block which is in threaded connection with the lead screw and is arranged in the cavity in a sliding manner; one side of the driving block is hinged with two connecting rods, and one sides of the two connecting rods, which are far away from the driving block, are respectively hinged with the tops of the two vertical rods; the screw rod driving mechanism further comprises a transmission assembly for driving the screw rod to rotate.
By adopting the technical scheme, when the vertical rod needs to be driven to move, the transmission assembly drives the screw rod to rotate, the screw rod rotates to drive the driving block to move, and the driving block drives the vertical rod to move under the action of the connecting rod; through setting up drive mechanism, be convenient for drive montant removes.
The present invention in a preferred example may be further configured to: a guide rod is horizontally and fixedly connected in the cavity, the guide rod penetrates through the driving block, and the driving block is connected to the guide rod in a sliding mode along the length direction of the cavity.
By adopting the technical scheme, the guide rod has a guiding effect on the driving block, so that the possibility of deviation of the driving block in the sliding process along the length direction of the cavity can be reduced.
The present invention in a preferred example may be further configured to: the transmission assembly is fixed in the gear that the lead screw is close to picture peg one end including the cover establishment, the picture peg has seted up the mounting groove near one side of gear, rigid coupling rack in the mounting groove, the rack with the gear meshes mutually.
By adopting the technical scheme, the movement of the inserting plate drives the rack to move, the rack moves to drive the gear to rotate, and the gear rotates to drive the screw rod to rotate; through setting up drive assembly, be convenient for drive lead screw rotates.
The present invention in a preferred example may be further configured to: still include dust absorption assembly, dust absorption assembly is including installing in the casing and being close to the micropump of outdoor one side, the air inlet intercommunication of micropump has the dust absorption pipe, the one end that the micropump was kept away from to the dust absorption pipe communicates with the inner chamber of casing, the dust bag is installed to the gas outlet of micropump.
Through adopting above-mentioned technical scheme, through setting up micropump and dust absorption pipe, be convenient for absorb the dust of casing intracavity to dust bag to be convenient for handle the dust of casing intracavity.
In summary, the invention includes at least one of the following beneficial technical effects:
1. when the vent needs to be opened, the piston rod of the first electric push rod drives the driving rod to move in the vertical pipe, the driving rod drives the vertical pipe to rotate under the action of the matching component, the vertical pipe rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the rotating shaft to rotate, and the rotating shaft rotates to drive the baffle to rotate, so that the vent can be opened; in conclusion, the opening and closing device is arranged, so that the vent is convenient to open;
2. when the metal net needs to be cleaned, the vertical rods are driven to move downwards through the transmission mechanism, the vertical rods move downwards to drive the horizontal plate to move downwards, and the horizontal plate moves downwards to drive the bristles to move downwards, so that the metal net can be cleaned; the cleaning device is arranged, so that the metal net is convenient to clean;
3. the movement of the inserting plate drives the rack to move, the rack moves to drive the gear to rotate, and the gear rotates to drive the screw rod to rotate; through setting up drive assembly, be convenient for drive lead screw rotates.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a partial cross-sectional view of a highlighted axial flow fan in an embodiment;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of a highlighted mating component of the embodiment;
FIG. 5 is a partial cross-sectional view of a highlighted cleaning device in an embodiment.
In the figure, 1, a wall body; 2. a housing; 21. a vertical slot; 22. a cavity; 23. a channel; 24. a placement groove; 25. a cover plate; 3. an axial flow fan; 31. a metal mesh; 4. an opening and closing device; 41. a baffle plate; 411. a jack; 42. a rotating shaft; 43. a first bevel gear; 5. a drive mechanism; 51. a first electric push rod; 52. a drive rod; 53. a vertical tube; 54. a second bevel gear; 55. a mating component; 551. a screw block; 552. a helical groove; 6. a second electric push rod; 61. inserting plates; 611. mounting grooves; 7. a cleaning device; 71. a vertical rod; 72. a horizontal plate; 73. brushing; 8. a transmission mechanism; 81. a lead screw; 82. a drive block; 83. a guide bar; 84. a connecting rod; 85. a transmission assembly; 851. a gear; 852. a rack; 9. a dust collection assembly; 91. a micro-pump; 92. a dust collection pipe; 93. a dust collection bag.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the vent convenient to open and close disclosed by the invention comprises a shell 2 installed in a wall 1, an axial flow fan 3 is installed in the shell 2, and an opening and closing device 4 is installed at one end of the shell 2.
As shown in fig. 1 and 2, the opening and closing device 4 includes a plurality of baffles 41 connected to the side wall of the housing 2 in a vertical sequence, opposite inner sides of two adjacent baffles 41 are attached to each other, and the sides of the two baffles 41 at the top and the bottom, which are far away from each other, are respectively attached to the top and the bottom of the housing 2; referring to fig. 3, two ends of each baffle 41 are respectively and fixedly connected with a rotating shaft 42, the rotating shafts 42 are rotatably connected to the side wall of the housing 2 through bearings, a plurality of rotating shafts 42 on the same side are respectively sleeved and fixed with a first bevel gear 43, and one side of the housing 2 close to the first bevel gear 43 is provided with a driving mechanism 5 for driving the plurality of first bevel gears 43 to rotate; a placing groove 24 for placing the driving mechanism 5 is formed in the shell 2, a cover plate 25 is detachably connected to the placing groove 24 through a bolt, and the driving mechanism 5 comprises a first electric push rod 51 vertically installed on the placing groove 24 and a driving rod 52 fixedly connected to a piston rod of the first electric push rod 51; a vertical pipe 53 is rotatably connected in the placing groove 24, a plurality of second bevel gears 54 are fixedly sleeved on the vertical pipe 53, and the first bevel gears 43 are correspondingly engaged with the second bevel gears 54 one by one; a fitting assembly 55 for driving the vertical pipe 53 to rotate is provided between the driving rod 52 and the vertical pipe 53. When the vent needs to be opened, the piston rod of the first electric push rod 51 drives the driving rod 52 to move in the vertical pipe 53, at this time, the driving rod 52 drives the vertical pipe 53 to rotate under the action of the matching component 55, the vertical pipe 53 rotates to drive the second bevel gear 54 to rotate, the second bevel gear 54 rotates to drive the first bevel gear 43 to rotate, the first bevel gear 43 rotates to drive the rotating shaft 42 to rotate, the rotating shaft 42 rotates to drive the baffle 41 to rotate, and therefore the vent can be opened; in sum, the opening and closing device 4 is arranged, so that the air vent is conveniently opened.
As shown in fig. 2 and 4, the matching assembly 55 includes a plurality of spiral blocks 551 fixedly connected to the outer side wall of the driving rod 52, the inner side wall of the vertical tube 53 is provided with a plurality of spiral grooves 552, and the spiral blocks 551 and the spiral grooves 552 are matched in a one-to-one correspondence manner. The driving rod 52 is convenient to drive the vertical pipe 53 to rotate by arranging the spiral block 551 and the spiral groove 552.
As shown in fig. 2, a jack 411 is provided at the top of each baffle 41, a second electric push rod 6 is vertically installed at the top of the housing 2, a plug board 61 is fixedly connected to a piston rod of the second electric push rod 6, a vertical slot 21 for allowing the plug board 61 to slide vertically is provided in the housing 2, and when the baffles 41 are in a vertical state, the plug board 61 can be sequentially inserted into the plurality of jacks 411 and the bottoms of the jacks abut against the bottom of the inner cavity of the housing 2. When the baffle 41 is in the vertical state, the piston rod of the second electric push rod 6 drives the inserting plate 61 to be inserted into the inserting hole 411, so that the ventilation opening is further closed, and mosquitoes can be prevented from entering the warehouse.
As shown in fig. 2 and 5, metal meshes 31 are respectively fixed to both ends of the axial flow fan 3, and a cleaning device 7 for cleaning the two metal meshes 31 is installed in the casing 2.
As shown in fig. 2 and 5, a cavity 22 is formed in the side wall of the top of the housing 2, two ends of the bottom of the cavity 22 are respectively provided with a channel 23, the cleaning device 7 comprises two vertical rods 71 which are respectively connected to the two channels 23 in a sliding manner along the vertical direction and two horizontal plates 72 which are respectively fixedly connected to the bottoms of the two vertical rods 71; bristles 73 are fixedly connected to the opposite inner sides of the two horizontal plates 72 respectively; the cavity 22 is internally provided with a transmission mechanism 8 for driving the two vertical rods 71 to slide vertically. When the metal net 31 needs to be cleaned, the vertical rod 71 is driven to move downwards through the transmission mechanism 8, the vertical rod 71 moves downwards to drive the horizontal plate 72 to move downwards, and the horizontal plate 72 moves downwards to drive the bristles 73 to move downwards, so that the metal net 31 can be cleaned; by providing the cleaning device 7, the metal mesh 31 is easily cleaned.
As shown in fig. 2 and 5, the transmission mechanism 8 includes a lead screw 81 horizontally rotatably connected in the cavity 22 through a bearing, and a driving block 82 threadedly connected to the lead screw 81 and slidably disposed in the cavity 22; a guide rod 83 is horizontally and fixedly connected in the cavity 22, the guide rod 83 penetrates through the driving block 82, and the driving block 82 is connected to the guide rod 83 in a sliding manner along the length direction of the cavity 22; one side of the driving block 82 is hinged with two connecting rods 84, and one sides of the two connecting rods 84 far away from the driving block 82 are respectively hinged with the tops of the two vertical rods 71; the mechanism further comprises a transmission assembly 85 for driving the screw 81 to rotate, the transmission assembly 85 comprises a gear 851 which is fixedly sleeved on one end of the screw 81 close to the inserting plate 61, an installation groove 611 is formed in one side of the inserting plate 61 close to the gear 851, a rack 852 is fixedly connected in the installation groove 611, and the rack 852 is meshed with the gear 851. When the vertical rod 71 needs to be driven to move, the inserting plate 61 is driven to move through the piston rod of the second electric push rod 6, the inserting plate 61 moves to drive the rack 852 to move, the rack 852 moves to drive the gear 851 to rotate, the gear 851 rotates to drive the screw rod 81 to rotate, the screw rod 81 rotates to drive the driving block 82 to move, and at the moment, the driving block 82 drives the vertical rod 71 to move under the action of the connecting rod 84; through setting up drive mechanism 8, be convenient for drive montant 71 and remove.
As shown in fig. 1, a dust collection assembly 9 is mounted on the housing 2, the dust collection assembly 9 includes a micro pump 91 mounted on one side of the housing 2 close to the outdoor, an air inlet of the micro pump 91 is communicated with a dust collection pipe 92, one end of the dust collection pipe 92 far away from the micro pump 91 is communicated with an inner cavity of the housing 2, and an air outlet of the micro pump 91 is detachably connected with a dust collection bag 93 through a bolt. By arranging the micro pump 91 and the dust suction pipe 92, dust in the cavity of the shell 2 can be conveniently sucked to the dust suction bag 93, so that the dust in the cavity of the shell 2 can be conveniently treated.
The implementation principle of the embodiment is as follows: when the vent needs to be opened, the piston rod of the first electric push rod 51 drives the driving rod 52 to move in the vertical pipe 53, at this time, the driving rod 52 drives the vertical pipe 53 to rotate under the action of the spiral block 551 and the spiral groove 552, the vertical pipe 53 drives the second bevel gear 54 to rotate, the second bevel gear 54 drives the first bevel gear 43 to rotate, the first bevel gear 43 rotates to drive the rotating shaft 42 to rotate, the rotating shaft 42 rotates to drive the baffle 41 to rotate, and therefore the vent can be opened; in sum, the opening and closing device 4 is arranged, so that the air vent is conveniently opened.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a vent convenient to open and close, includes casing (2), its characterized in that: an axial flow fan (3) is installed in the shell (2), an opening and closing device (4) is installed at one end of the shell (2), the opening and closing device (4) comprises a plurality of baffles (41) which are sequentially and rotatably connected to the side wall of the shell (2) along the vertical direction, the opposite inner sides of every two adjacent baffles (41) are mutually attached, and the mutually far sides of the two baffles (41) at the top and the bottom are respectively attached to the top and the bottom of the shell (2); two ends of each baffle (41) are fixedly connected with a rotating shaft (42) respectively, the rotating shafts (42) are rotatably connected to the side wall of the shell (2), a plurality of rotating shafts (42) on the same side are fixedly sleeved with first bevel gears (43), and one side of the shell (2) close to the first bevel gears (43) is provided with a driving mechanism (5) for driving the plurality of first bevel gears (43) to rotate;
the driving mechanism (5) comprises a first electric push rod (51) vertically arranged on one side of the shell (2) and a driving rod (52) fixedly connected to a piston rod of the first electric push rod (51); a vertical pipe (53) is rotatably connected to one side of the shell (2), a plurality of second bevel gears (54) are fixedly sleeved on the vertical pipe (53), and the first bevel gears (43) and the second bevel gears (54) are correspondingly meshed one by one; and a matching assembly (55) for driving the vertical pipe (53) to rotate is arranged between the driving rod (52) and the vertical pipe (53).
2. The easy-to-open vent according to claim 1, wherein: the matching component (55) comprises a plurality of spiral blocks (551) fixedly connected to the outer side wall of the driving rod (52), a plurality of spiral grooves (552) are formed in the inner side wall of the vertical pipe (53), and the spiral blocks (551) are matched with the spiral grooves (552) in a one-to-one correspondence mode.
3. The easy-to-open vent according to claim 1, wherein: every jack (411) have been seted up at the top of baffle (41), second electric putter (6) are vertically installed at the top of casing (2), the rigid coupling has picture peg (61) on the piston rod of second electric putter (6), set up in casing (2) and be used for supplying picture peg (61) along vertical groove (21) of erectting that slides, work as when baffle (41) are in vertical state, picture peg (61) can be pegged graft in a plurality of jacks (411) in proper order.
4. The easy-to-open vent according to claim 3, wherein: the two ends of the axial flow fan (3) are fixedly connected with metal nets (31) respectively, a cleaning device (7) used for cleaning the two metal nets (31) is installed in the shell (2), a cavity (22) is formed in the side wall of the top of the shell (2), channels (23) are formed in the two ends of the bottom of the cavity (22) respectively, and the cleaning device (7) comprises two vertical rods (71) which are connected to the two channels (23) in a sliding mode along the vertical direction respectively and two horizontal plates (72) which are fixedly connected to the bottoms of the two vertical rods (71) respectively; bristles (73) are fixedly connected to the opposite inner sides of the two horizontal plates (72) respectively; and a transmission mechanism (8) for driving the two vertical rods (71) to slide vertically is arranged in the cavity (22).
5. The easy-to-open vent according to claim 4, wherein: the transmission mechanism (8) comprises a lead screw (81) horizontally and rotatably connected in the cavity (22) and a driving block (82) which is in threaded connection with the lead screw (81) and is arranged in the cavity (22) in a sliding manner; one side of the driving block (82) is hinged with two connecting rods (84), and one sides of the two connecting rods (84) far away from the driving block (82) are respectively hinged with the tops of the two vertical rods (71); the device also comprises a transmission assembly (85) for driving the lead screw (81) to rotate.
6. The easy-to-open vent according to claim 5, wherein: a guide rod (83) is horizontally and fixedly connected in the cavity (22), the guide rod (83) penetrates through the driving block (82), and the driving block (82) is connected to the guide rod (83) in a sliding mode along the length direction of the cavity (22).
7. The easy-to-open vent according to claim 6, wherein: the transmission assembly (85) is fixed in lead screw (81) including the cover and is close to gear (851) of picture peg (61) one end, picture peg (61) are close to one side of gear (851) and have been seted up mounting groove (611), rigid coupling rack (852) in mounting groove (611), rack (852) with gear (851) mesh mutually.
8. The easy-to-open vent according to claim 1, wherein: still include dust absorption subassembly (9), dust absorption subassembly (9) are including installing in casing (2) micropump (91) that are close to outdoor one side, the air inlet intercommunication of micropump (91) has dust absorption pipe (92), the one end that micropump (91) were kept away from in dust absorption pipe (92) communicates with the inner chamber of casing (2), dust bag (93) are installed to the gas outlet of micropump (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010589594.XA CN111742726B (en) | 2020-06-24 | 2020-06-24 | Easy open and close ventilation opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010589594.XA CN111742726B (en) | 2020-06-24 | 2020-06-24 | Easy open and close ventilation opening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111742726A true CN111742726A (en) | 2020-10-09 |
| CN111742726B CN111742726B (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010589594.XA Active CN111742726B (en) | 2020-06-24 | 2020-06-24 | Easy open and close ventilation opening |
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| Country | Link |
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| CN (1) | CN111742726B (en) |
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| CN208509652U (en) * | 2018-05-29 | 2019-02-19 | 虞城县明强仓储设备有限公司 | A kind of fully-automatic intelligent silo air vent |
| US20190344959A1 (en) * | 2018-05-14 | 2019-11-14 | Haber Technologies Llc | Assembly for saturating a medium with a fluid |
| CN209857749U (en) * | 2019-04-29 | 2019-12-27 | 无锡赛迪森机械有限公司 | Self-cleaning air cooler |
| CN110847061A (en) * | 2019-12-26 | 2020-02-28 | 平煤神马建工集团有限公司 | Pier cushion cap template installation appurtenance in bridge work progress |
| CN210463423U (en) * | 2019-08-26 | 2020-05-05 | 昆山市金致钢结构工程有限公司 | Ventilation steel construction |
| CN210482375U (en) * | 2019-06-14 | 2020-05-08 | 中交四公局第五工程有限公司 | Ventilation unit for underground pipe gallery |
| CN111254499A (en) * | 2020-03-05 | 2020-06-09 | 上海磐盟电子材料有限公司 | Single crystal furnace structure and using method thereof |
-
2020
- 2020-06-24 CN CN202010589594.XA patent/CN111742726B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190344959A1 (en) * | 2018-05-14 | 2019-11-14 | Haber Technologies Llc | Assembly for saturating a medium with a fluid |
| CN208509652U (en) * | 2018-05-29 | 2019-02-19 | 虞城县明强仓储设备有限公司 | A kind of fully-automatic intelligent silo air vent |
| CN209857749U (en) * | 2019-04-29 | 2019-12-27 | 无锡赛迪森机械有限公司 | Self-cleaning air cooler |
| CN210482375U (en) * | 2019-06-14 | 2020-05-08 | 中交四公局第五工程有限公司 | Ventilation unit for underground pipe gallery |
| CN210463423U (en) * | 2019-08-26 | 2020-05-05 | 昆山市金致钢结构工程有限公司 | Ventilation steel construction |
| CN110847061A (en) * | 2019-12-26 | 2020-02-28 | 平煤神马建工集团有限公司 | Pier cushion cap template installation appurtenance in bridge work progress |
| CN111254499A (en) * | 2020-03-05 | 2020-06-09 | 上海磐盟电子材料有限公司 | Single crystal furnace structure and using method thereof |
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| Publication number | Publication date |
|---|---|
| CN111742726B (en) | 2021-07-09 |
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