CN114353226B - Ventilation equipment for elevator - Google Patents
Ventilation equipment for elevator Download PDFInfo
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- CN114353226B CN114353226B CN202210010235.3A CN202210010235A CN114353226B CN 114353226 B CN114353226 B CN 114353226B CN 202210010235 A CN202210010235 A CN 202210010235A CN 114353226 B CN114353226 B CN 114353226B
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention relates to a ventilation device for an elevator, which comprises a supporting plate, wherein a supporting box is arranged on one side of the upper surface of the supporting plate, a driving motor is arranged on the other side of the upper surface of the supporting plate, ventilation openings for ventilation are formed in the front side and the lower side of the supporting box, a box cover is arranged at one end of the supporting box, which is far away from the driving motor, a through groove corresponding to the ventilation openings of the supporting box is formed in the supporting plate, air guide frames are arranged at the two ventilation openings of the supporting box, the air guide frames at the lower side of the supporting box penetrate through the supporting plate through the through grooves, supporting ring frames are arranged at the two ends of the inner part of the supporting box, a transmission cylinder is arranged at the inner side of the supporting ring frame, a filter screen cylinder is arranged between the two side transmission cylinders, a radial fan is arranged at the inner side of the filter screen cylinder, and air flow is used for discharging impurities such as dust brushed out by a U-shaped brush plate through an ash discharging opening and a ventilation opening, and cleaning work can be carried out by staff in an elevator car without dismantling.
Description
Technical Field
The invention relates to the technical field of ventilation of elevators, in particular to ventilation equipment for an elevator.
Background
The elevator is arranged in the high-rise building, so that convenience is brought to daily life of people, in order to ensure comfort of passengers in the elevator car, a ventilation fan is usually additionally arranged at the top of the elevator, ventilation is carried out on air in the elevator through ventilation equipment, and ventilation in the elevator car is kept, as shown in fig. 1.
Patent document with publication number CN111332909B discloses a breather for elevator ventilation, including car body, first baffle and second baffle, the both sides of car body fixedly connected with ventilation case and lower ventilation case respectively, first air intake has been seted up on the upper portion of going up the ventilation case, one side of going up the ventilation case communicates with the car body through first communication pipe, the second air intake has been seted up to the lower part of lower ventilation case, one side of lower ventilation case communicates with the car body through the second communication pipe.
The existing ventilation equipment for elevators lacks multiple filter equipment in the use, and the filter effect is poor, can't get rid of bacterium and impurity etc. of air in the elevator shaft, can not ensure the air quality in the elevator car, causes passenger discomfort easily, and the filter of the ventilation equipment for elevators of current is inconvenient to clear up, causes impurity accumulation such as dust easily, needs to change often, uses very inconveniently.
Disclosure of Invention
The invention aims to solve the problems and the defects, and provides ventilation equipment for an elevator, which improves the overall working efficiency.
The technical problems solved by the invention are as follows:
(1) The existing ventilation equipment for the elevator lacks multiple filtering devices in the use process, has poor filtering effect, cannot remove bacteria, impurities and the like in the air in an elevator shaft, and cannot ensure the air quality in an elevator car;
(2) The existing filter of the ventilation equipment for the elevator is inconvenient to clean, dust and other impurities are easy to accumulate, and the filter needs to be replaced frequently, so that the filter is very inconvenient to use.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a ventilation equipment for elevator, which comprises a supporting plate, the supporting box is installed to upper surface one side of backup pad, driving motor is installed to the upper surface opposite side of backup pad, the vent that is used for ventilating is all offered to the front side and the downside of supporting the box, the one end that driving motor was kept away from to the supporting box is equipped with the lid, set up the groove of lining up corresponding with the vent of supporting the box in the backup pad, and the wind-guiding frame is all installed to two vents of supporting the box, the wind-guiding frame of supporting the box downside runs through the backup pad through lining up the groove, the support ring frame is all installed at the inside both ends of supporting the box, the transmission section of thick bamboo is installed to the inboard of support ring frame, install filter screen section of thick bamboo between the transmission section of thick bamboo of both sides, the inboard of filter screen section of thick bamboo is provided with the runoff fan.
As a further scheme of the invention, a transmission support shaft is arranged at the axis of the radial fan in a penetrating way, a through hole is formed in the center of one end of the support box, which is close to the driving motor, a transmission shaft sleeve is arranged on the inner side of the through hole, and the transmission shaft sleeve is respectively sleeved on the periphery of a driving shaft of the driving motor and the periphery of one end of the transmission support shaft in a sliding way.
As a further scheme of the invention, an electric push rod is arranged on the upper side of the driving motor, the electric push rod horizontally points to the supporting box, a transmission plate is fixedly connected to the telescopic end of the electric push rod, the transmission plate is vertically downward, and a supporting circular ring is fixedly connected to the lower end of the transmission plate.
As a further scheme of the invention, the supporting ring is sleeved on the driving shaft of the driving motor, a gap is kept between the supporting ring and the driving shaft of the driving motor, and the supporting ring is rotationally connected with one end of the driving shaft sleeve.
As a further scheme of the invention, a plurality of first transmission racks which are uniformly distributed at equal angles are fixedly connected to the periphery of one side of the transmission shaft sleeve, which is close to the transmission cylinder, and a plurality of second transmission racks which are uniformly distributed at equal angles are fixedly connected to the periphery of the driving shaft of the driving motor and the periphery of one end of the transmission supporting shaft, which is close to the driving motor.
As a further scheme of the invention, a plurality of transmission sliding grooves which are uniformly distributed at equal angles are formed in the inner side wall of the transmission barrel, the transmission sliding grooves are parallel to each other, the transmission sliding grooves are in one-to-one correspondence with the second transmission racks and are in sliding connection, and a transmission circular plate is fixedly connected to the inner side of one end of one transmission barrel, which is close to the driving motor.
As a further scheme of the invention, a through round groove is formed in the axis of the transmission round plate, the transmission shaft sleeve penetrates through the transmission round plate through the through round groove, a plurality of transmission tooth grooves which are uniformly distributed at equal angles are formed in the groove wall of the through round groove of the transmission round plate, the transmission tooth grooves are in one-to-one correspondence and are in sliding connection with the first transmission racks, and the peripheries of the end parts of the transmission cylinder and the radial fan are in rotary connection through the connecting ring frame.
As a further scheme of the invention, both ends of the first transmission rack and the second transmission rack are in tip shapes, the ends of the first transmission rack and the second transmission rack are in sharp angles of fifty degrees to eighty degrees, and the length of the first transmission rack is smaller than the distance from the transmission circular plate to the radial fan.
As a further scheme of the invention, the periphery of the filter screen cylinder is provided with an ash discharge port, and the size of the cambered surface where the ash discharge port is positioned is consistent with that of the ventilation opening of the support box.
The invention has the beneficial effects that:
(1) When ventilation is needed to be carried out on air in the elevator car, the electric push rod is started, the transmission plate is pushed to move towards the supporting box, the transmission plate pushes the transmission shaft sleeve to move towards the transmission supporting shaft through the supporting ring, the transmission shaft sleeve penetrates through the through hole in the supporting box and the through round groove in the transmission circular plate, then the transmission shaft sleeve is sleeved on the transmission supporting shaft, the transmission sliding groove of the transmission shaft sleeve is clamped with the second transmission rack on the transmission supporting shaft, and the first transmission rack is kept separated from the transmission circular plate, so that the driving motor rotates the transmission supporting shaft through the transmission shaft sleeve and drives the radial fan to rotate, the first transmission rack is separated from the transmission tooth groove of the transmission circular plate, the transmission drum and the filter screen drum are prevented from rotating, the elevator car is blown by rotating the radial fan, the filter screen drum is used for filtering air inhaled from the elevator shaft, so that impurities in the elevator car are prevented from being polluted, the sharp points of the first transmission rack and the second transmission rack are kept in an angular shape, the transmission shaft sleeve is enabled to be more smooth to be in transmission tooth groove and separation with the transmission when moving, the second transmission rack is enabled to be in a sharp angle shape, the butt joint speed is enabled to be more smooth, and the butt joint speed is prevented from being caused by the second transmission rack to be more smoothly to be separated from the transmission sliding groove;
(2) When the dust and other impurities on the filter screen cylinder need to be cleared out of the supporting box, the electric push rod pushes the transmission plate, the transmission plate pushes the transmission shaft sleeve, the first transmission rack is in butt joint with the transmission tooth socket, meanwhile, the transmission shaft sleeve is sleeved on the transmission supporting shaft, the transmission sliding groove is in butt joint with the transmission supporting shaft and the second transmission rack on the driving motor respectively, therefore, when the driving motor drives the transmission shaft sleeve to rotate, the transmission circular plate is rotated through the first transmission rack, the transmission cylinder is rotated through the transmission cylinder, the filter screen cylinder is rotated through the transmission sliding groove, the transmission supporting shaft is rotated through the transmission supporting shaft, the radial fan is used for generating air flow through the radial fan, when the ash discharging opening on the filter screen cylinder is rotated to the right below and is aligned with the ventilation opening on the lower side of the supporting box, the air flow discharges the dust and other impurities brushed out by the U-shaped brush plate through the ash discharging opening and the ventilation opening, and the impurities are cleaned out by staff in the elevator car, and cleaning work can be carried out without dismantling.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a partial schematic view of the internal structure of the support case of the present invention;
FIG. 4 is a schematic view of the overall structure of the electric putter of the present invention;
FIG. 5 is a schematic diagram of the overall structure of the driving motor of the present invention;
FIG. 6 is a schematic view of the overall structure of the filter cartridge of the present invention;
in the figure: 1. a support plate; 2. a support box; 3. a filter grid; 4. an air guiding frame; 5. a driving motor; 6. an electric push rod; 7. a drive plate; 8. a support ring frame; 9. a transmission cylinder; 10. a filter screen cylinder; 11. a radial fan; 12. a transmission support shaft; 13. a U-shaped brush plate; 14. a support ring; 15. a driving sleeve; 16. a first drive rack; 17. a transmission chute; 18. a second drive rack; 19. a transmission tooth slot; 20. a connecting ring frame; 21. a through hole; 22. an ash discharge port; 23. and a driving circular plate.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Please refer to fig. 2-6: the utility model provides a ventilation equipment for elevator, includes backup pad 1, support box 2 is installed to one side of the upper surface of backup pad 1, driving motor 5 is installed to the upper surface opposite side of backup pad 1, the vent that is used for ventilating is all seted up to the front side and the downside of support box 2, the one end that support box 2 kept away from driving motor 5 is equipped with the lid, set up the through groove corresponding with the vent of support box 2 on the backup pad 1, and wind-guiding frame 4 is installed to two vents of support box 2, wind-guiding frame 4 of support box 2 downside runs through backup pad 1 through the through groove, the filtration grid tray 3 that is used for stopping big volume impurity such as hair is installed to the wind-guiding frame 4 inboard of support box 2 front side;
the novel filter screen comprises a support box 2, wherein a support ring frame 8 is arranged at two ends of the interior of the support box 2, a transmission cylinder 9 is arranged at the inner side of the support ring frame 8, a filter screen cylinder 10 is arranged between the transmission cylinders 9 at two sides, a radial flow fan 11 is arranged at the inner side of the filter screen cylinder 10, a transmission support shaft 12 is arranged at the axis of the radial flow fan 11 in a penetrating manner, U-shaped brush plates 13 are spliced and arranged on the side walls of the filter screen cylinder 10, the inner side walls of the U-shaped brush plates 13 are respectively abutted against the inner side and the outer side of the filter screen cylinder 10, the lower parts of the outer sides of the U-shaped brush plates 13 are fixedly connected to the support box 2, the U-shaped brush plates 13 are in an inclined state, and a through hole 21 is formed in the center of one end of the support box 2, which is close to a driving motor 5;
the electric push rod 6 is installed to driving motor 5's upside, electric push rod 6 horizontal direction supports box 2, the flexible end fixedly connected with drive plate 7 of electric push rod 6, drive plate 7 is vertical downward, and the lower extreme fixedly connected with of drive plate 7 supports ring 14, support ring 14 cover is established in driving motor 5's drive shaft, and keeps the clearance between support ring 14 and driving motor 5's the drive shaft, support ring 14 and the one end rotation of transfer sleeve 15 are connected.
The outer periphery of one side of the transmission shaft sleeve 15, which is close to the transmission cylinder 9, is fixedly connected with a plurality of first transmission racks 16 which are uniformly distributed at equal angles, the outer periphery of a driving shaft of the driving motor 5 and the outer periphery of one end of the transmission supporting shaft 12, which is close to the driving motor 5, are fixedly connected with a plurality of second transmission racks 18 which are uniformly distributed at equal angles, the inner side wall of the transmission cylinder 9 is provided with a plurality of transmission sliding grooves 17 which are uniformly distributed at equal angles, the transmission sliding grooves 17 are mutually parallel, the transmission sliding grooves 17 are in one-to-one correspondence and are in sliding connection with the second transmission racks 18, one end inner side of one transmission cylinder 9, which is close to the driving motor 5, is fixedly connected with a transmission circular plate 23, the axle center of the transmission circular plate 23 is provided with a through circular groove, the transmission shaft sleeve 15 penetrates the transmission circular plate 23 through the circular groove, the groove wall of the transmission circular groove is provided with a plurality of transmission tooth grooves 19 which are uniformly distributed at equal angles, the transmission tooth grooves 19 are in one-to-one correspondence and are in sliding connection with the first transmission racks 16, and the outer periphery of the end of the transmission cylinder 9 and the radial fan 11 are in one-to-one through the connection ring frame 20 in a rotating manner;
when the elevator car ventilation device is used, the driving motor 5 drives the transmission shaft sleeve 15 to provide power for the filter screen drum 10 and the radial fan 11, when ventilation is required to be carried out on air in the elevator car, the electric push rod 6 is started, the transmission plate 7 is pushed to move towards the support box 2, the transmission plate 7 pushes the transmission shaft sleeve 15 to move towards the transmission support shaft 12 through the support ring 14, the transmission shaft sleeve 15 penetrates through the through hole 21 on the support box 2 and the through circular groove on the transmission circular plate 23, then the transmission shaft sleeve 15 is sleeved on the transmission support shaft 12, the transmission sliding groove 17 of the transmission shaft sleeve 15 is clamped with the second transmission rack 18 on the transmission support shaft 12, and the first transmission rack 16 is kept separated from the transmission circular plate 23, so that the driving motor 5 rotates the transmission support shaft 12 through the transmission shaft sleeve 15 and drives the radial fan 11 to rotate, and is separated from the transmission tooth groove 19 of the transmission circular plate 23 through the first transmission rack 16, the transmission shaft 9 and the filter screen drum 10 are prevented from rotating, the elevator car is blown by rotating the radial fan 11, and air sucked from an elevator shaft is filtered by the filter screen drum 10, and impurities in the elevator shaft are prevented from polluting the elevator car;
when the filter screen cylinder 10 needs to be cleaned, the electric push rod 6 contracts, the transmission shaft sleeve 15 moves towards the driving motor 5 through the transmission plate 7, the transmission shaft sleeve 15 is separated from the transmission support shaft 12, the first transmission rack 16 at the periphery of the transmission shaft sleeve 15 is clamped with the transmission tooth groove 19 of the transmission circular plate 23, the driving motor 5 drives the transmission circular plate 23 to rotate through the transmission of the transmission shaft sleeve 15, the transmission cylinder 9 is rotated, the filter screen cylinder 10 is driven to rotate, the filter screen cylinder 10 and the U-shaped brush plate 13 are rubbed with each other, and cleaning work is simultaneously carried out on the inner side and the outer side of the filter screen cylinder 10 through the U-shaped brush plate 13.
The periphery of the filter screen cylinder 10 is provided with the ash discharge port 22, the size of the cambered surface where the ash discharge port 22 is located is consistent with that of a ventilation opening of the support box 2, when dust and other impurities on the filter screen cylinder 10 need to be cleared out of the support box 2, the electric push rod 6 pushes the transmission plate 7, the transmission plate 7 pushes the transmission shaft sleeve 15, the first transmission rack 16 is abutted with the transmission tooth groove 19, meanwhile, the transmission shaft sleeve 15 is sleeved on the transmission support shaft 12, the transmission slide groove 17 is abutted with the transmission support shaft 12 and the second transmission rack 18 on the driving motor 5 respectively, so that the driving motor 5 can drive the transmission shaft sleeve 15 to rotate, the transmission circular plate 23 rotates the transmission cylinder 9 through the transmission circular plate 23, the filter screen cylinder 10 rotates the transmission support shaft 12 through the transmission slide groove 17, the radial fan 11 is rotated through the transmission support shaft 12, airflow is generated through the fan 11, when the ash discharge port 22 on the filter screen cylinder 10 rotates to the right below and is aligned with the ventilation opening on the lower side of the support box 2, dust and other dust brushed out of the U-shaped brush plate 13 passes through the ash discharge port 22 and the ventilation opening and is removed in the elevator car conveniently, and the elevator car can be cleared out conveniently.
Both ends of the first transmission rack 16 and the second transmission rack 18 are tip-shaped, and the ends of the first transmission rack 16 and the second transmission rack 18 are in an acute angle shape from fifty degrees to eighty degrees, the length of the first transmission rack 16 is smaller than the distance from the transmission circular plate 23 to the radial fan 11, the tip ends of the first transmission rack 16 and the second transmission rack 18 are kept in the acute angle shape, so that the transmission shaft sleeve 15 is smoother when moving, the first transmission rack 16 is more smoothly transmitted and separated from the transmission tooth grooves 19, the second transmission rack 18 is more smoothly butted and separated from the transmission sliding grooves 17, the butting speed is improved, and equipment damage caused by butting errors is avoided.
When the elevator car ventilation device is used, when ventilation is required to be carried out on air in the elevator car, the electric push rod 6 is started, the transmission plate 7 is pushed to move towards the supporting box 2, the transmission plate 7 pushes the transmission shaft sleeve 15 to move towards the transmission supporting shaft 12 through the supporting ring 14, the transmission shaft sleeve 15 penetrates through the through hole 21 on the supporting box 2 and the through circular groove on the transmission circular plate 23, then the transmission shaft sleeve 15 is sleeved on the transmission supporting shaft 12, the transmission sliding groove 17 of the transmission shaft sleeve 15 is clamped with the second transmission rack 18 on the transmission supporting shaft 12, the first transmission rack 16 is kept separated from the transmission circular plate 23, so that the driving motor 5 rotates the transmission supporting shaft 12 through the transmission shaft sleeve 15 and drives the radial fan 11 to rotate, and the transmission rack 16 is separated from the transmission 19 of the transmission circular plate 23, so that the transmission drum 9 and the filter screen drum 10 are prevented from rotating, the elevator car is blown, and the filter screen drum 10 is used for filtering air sucked from an elevator shaft, so that impurities in the elevator shaft air are prevented from polluting the elevator car;
when the filter screen cylinder 10 needs to be cleaned, the electric push rod 6 contracts, the transmission shaft sleeve 15 moves towards the driving motor 5 through the transmission plate 7, so that the transmission shaft sleeve 15 is separated from the transmission support shaft 12, and the first transmission rack 16 at the periphery of the transmission shaft sleeve 15 is clamped with the transmission tooth groove 19 of the transmission circular plate 23, so that the driving motor 5 drives the transmission circular plate 23 to rotate through the transmission of the transmission shaft sleeve 15, further rotates the transmission cylinder 9 and drives the filter screen cylinder 10 to rotate, the filter screen cylinder 10 and the U-shaped brush plate 13 rub against each other, and cleaning work is simultaneously carried out on the inner side and the outer side of the filter screen cylinder 10 through the U-shaped brush plate 13;
when the supporting box 2 is required to be cleaned of dust and other impurities on the filter screen cylinder 10, the electric push rod 6 pushes the transmission plate 7, the transmission plate 7 pushes the transmission shaft sleeve 15, the first transmission rack 16 is in butt joint with the transmission tooth groove 19, meanwhile, the transmission shaft sleeve 15 is sleeved on the transmission supporting shaft 12, the transmission sliding groove 17 is in butt joint with the transmission supporting shaft 12 and the second transmission rack 18 on the driving motor 5 respectively, when the driving shaft sleeve 15 is driven to rotate, the driving circular plate 23 is rotated through the first transmission rack 16, the transmission cylinder 9 is rotated through the transmission circular plate 23, the filter screen cylinder 10 is rotated through the transmission sliding groove 9, the transmission supporting shaft 12 is rotated through the transmission supporting shaft 12, the radial fan 11 is rotated, air flow is generated through the radial fan 11, and when the ash discharge opening 22 on the filter screen cylinder 10 is rotated to be aligned with a ventilation opening on the lower side of the supporting box 2, the dust and other impurities brushed by the U-shaped brush plate 13 are discharged through the ash discharge opening 22 and the ventilation opening, and are discharged in an elevator car through staff, so that cleaning work can be carried out conveniently and rapidly.
The present invention is not limited to the above embodiments, but is not limited to the above embodiments, and any modifications, equivalents and variations made to the above embodiments according to the technical matter of the present invention can be made by those skilled in the art without departing from the scope of the technical matter of the present invention.
Claims (2)
1. The utility model provides a ventilation equipment for elevator, its characterized in that includes backup pad (1), support box (2) are installed to upper surface one side of backup pad (1), driving motor (5) are installed to the upper surface opposite side of backup pad (1), the vent that is used for ventilating is all seted up to the front side and the downside of support box (2), the one end that driving motor (5) was kept away from to support box (2) is equipped with the lid, set up the through groove corresponding with the vent of support box (2) on backup pad (1), and wind-guiding frame (4) are all installed to two vents of support box (2), wind-guiding frame (4) of support box (2) downside runs through backup pad (1) through the through groove, support ring frame (8) are all installed at the inside both ends of support box (2), transmission section of thick bamboo (9) are installed to the inboard of support ring frame (8), filter screen section of thick bamboo (10) are installed between transmission section of thick bamboo (9), the inboard of filter screen section of thick bamboo (10) is provided with radial fan (11), filter screen section of thick bamboo (10) are installed on the side wall (13) of a concatenation brush board;
the radial fan (11) is characterized in that a transmission support shaft (12) is arranged at the axis of the radial fan in a penetrating way, a through hole (21) is formed in the center of one end, close to the driving motor (5), of the support box (2), a transmission shaft sleeve (15) is arranged on the inner side of the through hole (21), and the transmission shaft sleeve (15) is respectively sleeved on the periphery of a driving shaft of the driving motor (5) and the periphery of one end of the transmission support shaft (12) in a sliding way;
an electric push rod (6) is arranged on the upper side of the driving motor (5), the electric push rod (6) horizontally points to the supporting box (2), a transmission plate (7) is fixedly connected to the telescopic end of the electric push rod (6), and a supporting circular ring (14) is fixedly connected to the lower end of the transmission plate (7);
the supporting ring (14) is sleeved on the driving shaft of the driving motor (5), a gap is kept between the supporting ring (14) and the driving shaft of the driving motor (5), and the supporting ring (14) is rotationally connected with one end of the transmission shaft sleeve (15);
the periphery of one side of the transmission shaft sleeve (15) close to the transmission cylinder (9) is fixedly connected with a plurality of first transmission racks (16) which are uniformly distributed at equal angles, and the periphery of the driving shaft of the driving motor (5) and the periphery of one end of the transmission support shaft (12) close to the driving motor (5) are fixedly connected with a plurality of second transmission racks (18) which are uniformly distributed at equal angles;
a plurality of transmission sliding grooves (17) which are uniformly distributed at equal angles are formed in the inner side wall of the transmission barrel (9), the transmission sliding grooves (17) are parallel to each other, the transmission sliding grooves (17) are in one-to-one correspondence with the second transmission racks (18) and are in sliding connection, and a transmission circular plate (23) is fixedly connected to the inner side of one end, close to the driving motor (5), of one transmission barrel (9);
the axle center of the transmission circular plate (23) is provided with a through circular groove, the transmission shaft sleeve (15) penetrates through the transmission circular plate (23) through the through circular groove, the groove wall of the through circular groove of the transmission circular plate (23) is provided with a plurality of transmission tooth grooves (19) which are uniformly distributed at equal angles, the transmission tooth grooves (19) are in one-to-one correspondence with the first transmission racks (16) and are in sliding connection, and the peripheries of the end parts of the transmission cylinder (9) and the radial fan (11) are in rotary connection through the connecting ring frame (20);
an ash discharge port (22) is formed in the periphery of the filter screen barrel (10), and the arc surface size of the ash discharge port (22) is consistent with that of a ventilation opening of the support box (2);
when ventilation is needed to be carried out on air in the elevator car, the electric push rod (6) is started, the transmission plate (7) is pushed to move towards the supporting box (2), the transmission plate (7) pushes the transmission shaft sleeve (15) to move towards the transmission supporting shaft (12) through the supporting ring (14), the transmission shaft sleeve (15) penetrates through the through hole (21) in the supporting box (2) and the through circular groove in the transmission circular plate (23), then the transmission shaft sleeve (15) is sleeved on the transmission supporting shaft (12), the transmission sliding groove (17) of the transmission shaft sleeve (15) is clamped with the second transmission rack (18) on the transmission supporting shaft (12), and the first transmission rack (16) is kept separated from the transmission circular plate (23), so that the driving motor (5) rotates the transmission supporting shaft (12) through the transmission shaft sleeve (15) and drives the radial fan (11) to rotate, and the filter screen (9) and the filter screen (10) are prevented from rotating through the transmission toothed groove (19) of the first transmission rack (16) and the transmission circular plate (23);
when needs clear up filter screen section of thick bamboo (10), electric putter (6) shrink, remove transmission sleeve (15) to driving motor (5) through drive plate (7), make transmission sleeve (15) and transmission back shaft (12) separation, and make the first drive rack (16) of transmission sleeve (15) periphery and drive tooth socket (19) looks joint of drive plectane (23), thereby drive through transmission sleeve (15), make driving motor (5) drive plectane (23) rotate, and then rotate transmission section of thick bamboo (9), and drive filter screen section of thick bamboo (10) rotate, make filter screen section of thick bamboo (10) and U-shaped brush board (13) rub each other, clear up work simultaneously through U-shaped brush board (13) to the inside and outside both sides of filter screen section of thick bamboo (10).
2. The ventilation device for elevators according to claim 1, wherein both ends of the first and second driving racks (16, 18) are pointed, and the ends of the first and second driving racks (16, 18) are formed in an acute angle of fifty degrees to eighty degrees, and the length of the first driving rack (16) is smaller than the distance from the driving circular plate (23) to the radial fan (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210010235.3A CN114353226B (en) | 2022-01-06 | 2022-01-06 | Ventilation equipment for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210010235.3A CN114353226B (en) | 2022-01-06 | 2022-01-06 | Ventilation equipment for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114353226A CN114353226A (en) | 2022-04-15 |
| CN114353226B true CN114353226B (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210010235.3A Active CN114353226B (en) | 2022-01-06 | 2022-01-06 | Ventilation equipment for elevator |
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| CN (1) | CN114353226B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202016101527U1 (en) * | 2016-03-21 | 2016-09-20 | BlueKit Factory GmbH | Elevator shaft ventilation and smoke extraction |
| CN208075226U (en) * | 2018-01-10 | 2018-11-09 | 广东冠蓝建设工程有限公司 | A kind of fireproof exhaust equipment filter device |
| CN208887007U (en) * | 2018-07-10 | 2019-05-21 | 中铧正鑫路桥有限公司 | A kind of architectural design ventilation device |
| CN211316447U (en) * | 2019-11-07 | 2020-08-21 | 广东弘朝科技有限公司 | Workshop exhaust apparatus |
| CN212928339U (en) * | 2020-07-14 | 2021-04-09 | 辽宁环创高科有限公司 | Protector at water pump water inlet |
| CN214199022U (en) * | 2021-02-02 | 2021-09-14 | 庄严 | Air ventilation and filtration device for elevator car |
| CN214949469U (en) * | 2021-06-25 | 2021-11-30 | 江苏嘉合建设有限公司 | Toilet uses energy-conserving breather |
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2022
- 2022-01-06 CN CN202210010235.3A patent/CN114353226B/en active Active
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| CN114353226A (en) | 2022-04-15 |
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