CN115388541A - Ventilation grid - Google Patents

Abstract

The invention relates to the technical field of grids, in particular to a ventilation grid, which comprises a frame body, wherein leaf plates are movably connected between the inner surfaces of two sides of the frame body at equal intervals; an emergency closing mechanism is arranged inside the blade plate; the emergency closing mechanism comprises clamping grooves formed in two sides of the front end of the blade plate, grooves are formed in two sides of the rear end of the blade plate, a clamping block is movably connected to the inside of each groove, a spring is fixedly connected between the front end of the clamping block and each groove, rotating shafts are fixedly connected to two sides of the blade plate, torsional springs are fixedly sleeved on the outer sides of the rotating shafts, the rotating shafts and the torsional springs are located inside the framework, one sides of the blade plates and the framework are far away from the torsional springs, and the clamping grooves are fixedly connected with magnet blocks.

Description

Ventilation grid

Technical Field

The invention relates to the technical field of grids, in particular to a ventilation grid.

Background

The ventilation grid is used for blocking foreign matters in a ventilation opening of buildings and machinery, and the ventilation grid has the function of blocking the foreign matters from entering the ventilation opening on the premise of ensuring the ventilation effect.

The ventilation grids are of various types, wherein the ventilation grids are applied to windows for ventilation and are most common in life, the windows can be opened by many families for indoor air freshening, but the windows are opened to cause potential safety hazards, and particularly, people can fall down from a building when living in high-rise residents, so that the ventilation grids are usually additionally arranged on the windows to play a role in protection under the condition of ensuring ventilation;

ventilating grid can block dust and rainwater under the normal conditions and get into indoorly, but when summer ventilation uses, because the weather condition is easy to be suddenly changed, when taking place the torrential rain, along with the influence of typhoon factor, the rainwater can strike the ventilating grid under the effect of blowing, part rainwater will be indoor by the splash this moment, and weather change in summer surveys at all, the inconvenient preparation of predicting in advance of resident family and doing ready of closing the window, consequently can lead to indoor rainwater entering, it is indoor to light then pollute, then can cause the loss to indoor property by heavy.

To this end, a ventilation grid is proposed.

Disclosure of Invention

The invention aims to provide a ventilation grid which can be closed emergently in sudden storm weather in summer, so that rainwater is prevented from splashing into a room due to the fact that nobody is closed in time, indoor cleanness and property safety are guaranteed, and the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme: a ventilation grid comprises a frame body, wherein blades are movably connected between the inner surfaces of two sides of the frame body at equal intervals;

an emergency closing mechanism is arranged inside the blade plate;

the emergency closing mechanism can close the general-purpose grid in severe weather to prevent rainwater from entering the room.

Preferably, urgent closing mechanism is including seting up the draw-in groove in the lamina front end both sides, the rear end both sides of lamina are all seted up flutedly, and the inside swing joint of recess has the fixture block, fixedly connected with spring between the front end of fixture block and the recess, the equal fixedly connected with pivot in both sides of lamina, and the fixed torsional spring that has cup jointed in the outside of pivot, the torsional force of torsional spring is 5N, pivot and torsional spring all are located the inside of framework, and the torsional spring keeps away from fixed connection between one side of lamina and the framework, the inside swing joint of draw-in groove has the magnet piece.

Preferably, the inside of draw-in groove is equipped with opening mechanism, opening mechanism includes the spacing groove, the spacing groove is seted up at one side inner wall rear portion that two draw-in grooves are close to mutually, two the draw-in groove is kept away from one side inner wall rear portion mutually and has all been seted up and has been accomodate the groove, it is the opening form with the rear end of acanthus to accomodate the groove, accomodate the inside rear end sliding connection in groove and have the shifting block, and fixed connection between shifting block and the magnet piece.

Preferably, the inner rear end of the blade plate is provided with a sealing mechanism, the sealing mechanism comprises a cavity arranged at the inner rear end of the blade plate, the rear end of the blade plate is fixedly connected with a rubber air bag, air guide holes are uniformly formed between the cavity and the rubber air bag, the inner front end of the cavity is movably connected with a piston plate, sliding grooves are formed in two sides of the inner portion of the groove, and the piston plate penetrates through the sliding grooves and is fixedly connected with a clamping block.

Preferably, the sum of the friction force between the piston plate and the cavity and the gravity of the fixture block is smaller than the magnetic attraction force of the magnet block.

Preferably, the close side of the magnet block is clamped with the inside of the limiting groove when the blade is in the opening state, and the rubber air bag is in the contraction state.

Preferably, the inside upper end of framework is equipped with clearance mechanism, clearance mechanism is including seting up the clearance storehouse in the inside upper end of framework, inside both sides upper portion difference fixedly connected with driving motor and the controller in clearance storehouse, it is connected with the connecting rod to rotate between driving motor and the controller, the outer surface both sides of connecting rod are all fixed the cover and have been connect the winding wheel, the surface winding of winding wheel has the lifting rope, the common fixedly connected with cleaning roller of lower extreme of lifting rope, the upper end internal surface rear portion of framework is equipped with trigger switch, the opening has been seted up to the upper end internal surface front portion of framework.

Preferably, the blade is tightly attached to the cleaning roller after being closed, and the controller, the driving motor and the trigger switch are electrically connected with an external power supply.

Preferably, the rotating shaft is positioned behind the central points of the two sides of the blade plate.

Preferably, the front part of the clamping groove is in an arc flaring shape.

Compared with the prior art, the invention has the beneficial effects that:

1. when sudden and violent stormy weather occurs in summer, strong airflow blows the surfaces of the blades, so that the blades rotate through the rotating shaft, the torsion spring contracts under the rotating action of the rotating shaft, when the front ends of the blades rotate downwards, the upper ends of the lower-end blades and the lower ends of the upper-end blades are positioned on the same vertical plane, the clamping blocks in the grooves in the lower-end blades are sucked into the clamping grooves in the upper-end blades under the magnetic attraction action of the magnet blocks, the springs extend under the pulling action of the clamping blocks, the adjacent blades are closed and fixed by the clamping blocks, rainwater is prevented from splashing into the room due to the fact that nobody is closed in time, and indoor cleanliness and property safety are guaranteed;

2. utilize the spout to remove through the fixture block and drive the piston board and shift up in the cavity to utilize the gas in the piston board with the cavity to push the rubber air bag through the gas guide hole in, make the rubber air bag inflation, increased the leakproofness between the adjacent leaf board through the rubber air bag, further prevent that the rainwater from getting into indoorly.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a partial view of a blade of the present invention;

FIG. 3 is a cross-sectional view of a top view of a louver of the present invention;

FIG. 4 is a partial cross-sectional view of a top view of a louver of the present invention;

FIG. 5 is a partial view of a rear view of the louver of the present invention;

FIG. 6 is a partial cross-sectional view of a front view of the frame of the present invention;

fig. 7 is a structural position diagram of the trigger switch in the frame of the present invention.

In the figure: 1. a frame body; 2. a leaf plate; 3. an emergency closing mechanism; 31. a card slot; 32. a groove; 33. a clamping block; 34. a spring; 35. a rotating shaft; 36. a torsion spring; 4. an opening mechanism; 41. a limiting groove; 42. a storage groove; 43. a magnet block; 44. shifting blocks; 5. a sealing mechanism; 51. a rubber air bag; 52. a cavity; 53. a piston plate; 54. an air vent; 55. a chute; 6. a cleaning mechanism; 61. cleaning a bin; 62. a drive motor; 63. a controller; 64. a connecting rod; 65. winding wheels; 66. a lifting rope; 67. a cleaning roller; 68. a trigger switch; 69. and (4) opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.

Referring to fig. 1 to 7, the present invention provides a technical solution:

a ventilation grid, as shown in fig. 1 to 5, comprises a frame body 1, wherein blades 2 are movably connected between the inner surfaces of two sides of the frame body 1 at equal intervals;

an emergency closing mechanism 3 is arranged inside the blade 2;

the emergency closing mechanism 3 can close the general distribution grid in severe weather to prevent rainwater from entering a room;

the during operation at first will ventilate the grid and install on the window frame, when opening the wind when the window, can the indoor outer material exchange of separation in the time of the ventilation grid guarantee ventilation, can close 2 to the lamina through urgent closing mechanism 3 when meetting unexpected stormy weather of summer, avoid indoor nobody in time to close and lead to the rainwater splash into indoor, ensured indoor clean and tidy and property safety.

The front, back, left and right in the scheme are based on the attached drawing 1 of the specification, and the direction close to the observation visual angle in the drawing 1 is the front; the limited environment is a summer typhoon weather environment;

as an embodiment of the present invention, as shown in fig. 1 to 5, the emergency closing mechanism 3 includes clamping grooves 31 provided on two sides of a front end of the blade 2, two sides of a rear end of the blade 2 are both provided with grooves 32, an inner portion of each groove 32 is movably connected with a clamping block 33, a spring 34 is fixedly connected between a front end of each clamping block 33 and each groove 32, two sides of the blade 2 are both fixedly connected with a rotating shaft 35, an outer side of each rotating shaft 35 is fixedly sleeved with a torsion spring 36, a torsional force of each torsion spring 36 is 5N, each rotating shaft 35 and each torsion spring 36 are located inside the frame 1, one side of each torsion spring 36, which is far away from the blade 2, is fixedly connected with the frame 1, and a magnet block 43 is movably connected inside each clamping groove 31;

an opening mechanism 4 is arranged in each clamping groove 31, each opening mechanism 4 comprises a limiting groove 41, each limiting groove 41 is formed in the rear portion of the inner wall of one side, close to each clamping groove 31, of each clamping groove 31, each accommodating groove 42 is formed in the rear portion of the inner wall of the side, far away from each clamping groove 31, each accommodating groove 42 and the rear end of each blade 2 are in an opening shape, the rear end of the inner portion of each accommodating groove 42 is connected with a shifting block 44 in a sliding mode, and each shifting block 44 is fixedly connected with a magnet block 43;

one side of the magnet block 43 close to the blade 2 in the opening state is clamped in the limiting groove 41;

the rotating shaft 35 is positioned behind the central points of the two sides of the blade plate 2, and the front part of the clamping groove 31 is in an arc-shaped flaring shape;

when the wind power generation device works, firstly, after the blade plate 2 is opened, a resident slides through the shifting block 44 to drive the magnet block 43 to move into the limiting groove 41, the magnet block 43 is ensured to be positioned in the clamping groove 31, when sudden stormy weather in summer, the wind speed of the inland city can reach 6-level strong wind even in typhoon weather, the wind speed of the 6-level strong wind is 10.8m/s-13.8m/s, the lowest wind speed is 10.8m/s, and the wind power generation device is brought into a wind power calculation formula wp = v ² The force of about 7KG can be obtained per square meter after 1600, powerful air current blows to the 2 surfaces of acanthus leaf from the grid in front, because pivot 35 on the acanthus leaf 2 is located behind the central point of 2 both sides of acanthus leaf, make the air current blow behind the acanthus leaf 2 surface, the anterior atress of acanthus leaf 2 is greater than the rear portion, and torsional force of torsional spring 36 is 5N, combine lever principle simultaneously, make acanthus leaf 2 take place the rotation through pivot 35, torsional spring 36 takes place the shrink under the pivoted effect of pivot 35 this moment, after the front end of acanthus leaf 2 rotated to down, the upper end of lower extreme acanthus leaf 2 is located same perpendicular with the lower extreme of upper end acanthus leaf 2, this moment at magnet 43 magnetism magnetic forceThe clamping block 33 in the groove 32 on the lower end blade plate 2 is sucked into the clamping groove 31 on the upper end blade plate 2 under the action of suction, at the moment, the spring 34 extends under the pulling action of the clamping block 33, the clamping block 33 is utilized to close and fix the adjacent blade plates 2, rainwater is prevented from splashing into a room due to the fact that no person in the room is closed in time, the indoor tidiness and property safety are guaranteed, the clamping block 33 can be inserted conveniently due to the fact that the front portion of the clamping groove 31 is in an arc-shaped flaring shape, and the two blade plates 2 can be closed and fixed when not rotating to be completely vertical;

after the rain stops, the resident slides through the shifting block 44 to drive the magnet block 43 to move into the accommodating groove 42, so that the magnetic attraction of the magnet block 43 to the clamping block 33 is released, at the moment, the clamping block 33 is pulled back into the groove 32 under the action of the contraction of the spring 34, so that the fixation between the adjacent blades 2 is released, the rotating shaft 35 is driven to drive the blades 2 to rotate under the action of the elastic extension of the torsion spring 36, and the blades 2 are opened again for ventilation.

As an embodiment of the present invention, as shown in fig. 4 and 5, a sealing mechanism 5 is disposed at the rear end inside the blade 2, the sealing mechanism 5 includes a cavity 52 opened at the rear end inside the blade 2, a rubber air bag 51 is fixedly connected to the rear end of the blade 2, air guide holes 54 are uniformly formed between the cavity 52 and the rubber air bag 51, a piston plate 53 is movably connected to the front end inside the cavity 52, sliding grooves 55 are formed on both sides inside the groove 32, and the piston plate 53 passes through the sliding grooves 55 and is fixedly connected to the fixture block 33;

the sum of the friction force between the piston plate 53 and the cavity 52 and the gravity of the fixture block 33 is smaller than the magnetic attraction force of the magnet block 43;

the rubber air bag 51 is in a contraction state when the blade 2 is in an opening state;

in operation, when the adjacent blades 2 rotate to be in the same vertical plane, the fixture block 33 is sucked into the clamping groove 31 under the magnetic action of the magnet block 43, the fixture block 33 moves through the chute 55 to drive the piston plate 53 to move upwards in the cavity 52, so that the gas in the cavity 52 is pushed into the rubber air bag 51 through the gas guide hole 54 by the piston plate 53, the rubber air bag 51 is expanded, the sealing performance between the adjacent blades 2 is improved by the rubber air bag 51, and rainwater is further prevented from entering the room.

As an embodiment of the present invention, as shown in fig. 6 to 7, a cleaning mechanism 6 is disposed at an upper end inside the frame 1, the cleaning mechanism 6 includes a cleaning bin 61 disposed at an upper end inside the frame 1, upper portions of two sides inside the cleaning bin 61 are respectively fixedly connected with a driving motor 62 and a controller 63, a connecting rod 64 is rotatably connected between the driving motor 62 and the controller 63, two sides of an outer surface of the connecting rod 64 are both fixedly sleeved with a winding wheel 65, an outer surface of the winding wheel 65 is wound with a lifting rope 66, lower ends of the lifting rope 66 are jointly and fixedly connected with a cleaning roller 67, a trigger switch 68 is disposed at a rear portion of an inner surface of an upper end of the frame 1, and an opening 69 is disposed at a front portion of the inner surface of the upper end of the frame 1;

the blade 2 is tightly attached to the cleaning roller 67 after being closed, and the controller 63, the driving motor 62 and the trigger switch 68 are electrically connected with an external power supply;

during operation, after the blades 2 rotate to a vertical state, the upper portion of the uppermost blade 2 contacts the trigger switch 68 to turn on the trigger switch 68, at this time, the driving motor 62 and the controller 63 operate, the driving motor 62 drives the connecting rod 64 to rotate, the winding wheel 65 rotates along with the connecting rod 64, so that the lifting rope 66 wound on the winding wheel 65 is loosened, the cleaning roller 67 at the lower end of the lifting rope 66 moves downwards under the action of self gravity to clean the surface of the blade 2 through the cleaning roller 67 degrees, after the cleaning roller 67 moves to the lowermost blade 2, the controller 63 controls the driving motor 62 to rotate reversely, so that the winding wheel 65 winds the lifting rope 66 to lift the cleaning roller 67, the cleaning roller 67 retracts into the cleaning bin 61, then the controller 63 controls the driving motor 62 to stop operating, and the cleaning mechanism 6 is matched with rainwater to clean the surface of the blade 2, thereby solving the problem that the surface area of the blade 2 outside the room is difficult to clean.

The working principle is as follows:

when the louver window is opened, a resident slides through the shifting block 44 to drive the magnet block 43 to move into the limiting groove 41, the magnet block 43 is ensured to be positioned in the clamping groove 31, when sudden heavy wind and rainstorm weather occurs in summer, strong airflow is blown to the surface of the louver blade 2, the rotating shaft 35 on the louver blade 2 is positioned behind the central points of the two sides of the louver blade 2, the front part of the louver blade 2 is stressed more than the rear part, and the lever principle is combined to enable the louver blade 2 to rotate through the rotating shaft 35, at the moment, the torsion spring 36 contracts under the rotating action of the rotating shaft 35, when the front end of the louver blade 2 rotates downwards, the upper end of the lower louver blade 2 and the lower end of the upper louver 2 are positioned on the same vertical plane, at the moment, the fixture block 33 in the groove 32 on the lower louver blade 2 is sucked into the upper clamping groove 31 of the upper louver blade 2 under the magnetic attraction action of the rotating shaft 35, the spring 34 of the lower louver blade 2 and the lower louver blade 2 are positioned on the same vertical plane, so that the two adjacent louver blades 33 can be conveniently pulled to be closed and the indoor rainwater can be conveniently closed, and the two blades 2 can be conveniently closed when the rainwater is further extended and the two blades 33 in case that the indoor can be safely closed;

when the rain stops, the resident slides through the shifting block 44 to drive the magnet block 43 to move into the accommodating groove 42, so that the magnetic attraction of the magnet block 43 to the clamping block 33 is relieved, at the moment, the clamping block 33 is pulled back into the groove 32 under the action of the contraction of the spring 34, so that the fixation between the adjacent blades 2 is relieved, the rotating shaft 35 is driven to drive the blades 2 to rotate under the action of the elastic force of the torsion spring 36, so that the blades 2 are opened again for ventilation, after the adjacent blades 2 rotate to be positioned on the same vertical plane, the clamping block 33 is sucked into the clamping groove 31 under the magnetic action of the magnet block 43, the piston plate 53 is driven to move upwards in the cavity 52 through the sliding groove 55 by the clamping block 33, so that the air in the cavity 52 is pushed into the rubber air bag 51 through the air guide hole 54 by the piston plate 53, the rubber air bag 51 is expanded, and the sealing performance between the adjacent blades 2 is improved through the rubber air bag 51, further preventing rainwater from entering the room, when the blades 2 rotate to be vertical, the upper part of the blade 2 at the uppermost end contacts with the trigger switch 68 to turn on the trigger switch 68, at this time, the driving motor 62 and the controller 63 work, the driving motor 62 drives the connecting rod 64 to rotate, so that the winding wheel 65 rotates along with the connecting rod 64, the lifting rope 66 wound on the winding wheel 65 is loosened, the cleaning roller 67 at the lower end of the lifting rope 66 moves downwards under the action of self gravity, so that the surfaces of the blades 2 are cleaned through the cleaning roller 67 degrees, when the cleaning roller 67 moves to the blade 2 at the lowermost end, the controller 63 controls the driving motor 62 to rotate reversely, so that the winding wheel 65 winds the lifting rope 66 to lift the cleaning roller 67, so that the cleaning roller 67 is retracted into the cleaning bin 61, then the controller 63 controls the driving motor 62 to stop working, and the cleaning mechanism 6 is matched with rainwater to clean the surfaces of the blades 2, the problem that the surface area of the blade plate 2 positioned outside the room is difficult to clean is solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A ventilation grid comprises a frame body (1), wherein blades (2) are movably connected between the inner surfaces of two sides of the frame body (1) at equal intervals;

the device is characterized in that an emergency closing mechanism (3) is arranged inside the blade (2);

the emergency closing mechanism (3) can close the general-purpose grid in severe weather to prevent rainwater from entering the room.

2. The ventilation grid according to claim 1, wherein the emergency closing mechanism (3) comprises clamping grooves (31) formed in two sides of the front end of the louver (2), two sides of the rear end of the louver (2) are both provided with grooves (32), a clamping block (33) is movably connected in the grooves (32), springs (34) are fixedly connected between the front end of the clamping block (33) and the grooves (32), rotating shafts (35) are fixedly connected in two sides of the louver (2), torsion springs (36) are fixedly sleeved on the outer sides of the rotating shafts (35), the torsion force of the torsion springs (36) is 5N, the rotating shafts (35) and the torsion springs (36) are both located in the frame body (1), one sides of the torsion springs (36) far away from the louver (2) are fixedly connected with the frame body (1), and magnet blocks (43) are movably connected in the clamping grooves (31).

3. The ventilation grid according to claim 2, characterized in that an opening mechanism (4) is arranged inside the clamping grooves (31), the opening mechanism (4) comprises a limiting groove (41), the limiting groove (41) is arranged at the rear part of the inner wall of one side, which is close to the two clamping grooves (31), the two clamping grooves (31) are arranged at the rear part of the inner wall of one side, which is far away from the two clamping grooves (31), and both are provided with accommodating grooves (42), the accommodating grooves (42) are open with the rear ends of the blades (2), the inner rear ends of the accommodating grooves (42) are slidably connected with shifting blocks (44), and the shifting blocks (44) are fixedly connected with the magnet blocks (43).

4. The ventilation grid according to claim 2, wherein a sealing mechanism (5) is arranged at the rear end of the inner portion of the blade (2), the sealing mechanism (5) comprises a cavity (52) arranged at the rear end of the inner portion of the blade (2), a rubber air bag (51) is fixedly connected to the rear end of the blade (2), air guide holes (54) are uniformly formed between the cavity (52) and the rubber air bag (51), the front end of the inner portion of the cavity (52) is movably connected with a piston plate (53), sliding grooves (55) are formed in two sides of the inner portion of the groove (32), and the piston plate (53) penetrates through the sliding grooves (55) to be fixedly connected with the clamping blocks (33).

5. An air grille according to claim 4 wherein the sum of the friction between the piston plate (53) and the cavity (52) and the gravity of the fixture block (33) is less than the magnetic attraction of the magnet block (43).

6. A ventilation grille according to claim 4 characterized in that the side of the blade (2) close to the magnet block (43) is engaged with the inside of the limiting groove (41) in the open state, and the rubber air bag (51) is in the contracted state.

7. The ventilation grid according to claim 1, characterized in that a cleaning mechanism (6) is arranged at the upper end of the inside of the frame body (1), the cleaning mechanism (6) comprises a cleaning bin (61) arranged at the upper end of the inside of the frame body (1), the upper parts of two sides of the inside of the cleaning bin (61) are respectively and fixedly connected with a driving motor (62) and a controller (63), a connecting rod (64) is rotatably connected between the driving motor (62) and the controller (63), winding wheels (65) are fixedly sleeved on two sides of the outer surface of the connecting rod (64), a lifting rope (66) is wound on the outer surface of each winding wheel (65), a cleaning roller (67) is fixedly connected to the lower end of each lifting rope (66) together, a trigger switch (68) is arranged at the rear part of the inner surface of the upper end of the frame body (1), and an opening (69) is arranged at the front part of the inner surface of the upper end of the frame body (1).

8. A ventilation grille according to claim 7 characterized in that the louvers (2) are closed and attached to a cleaning roller (67), and the controller (63), the drive motor (62) and the trigger switch (68) are electrically connected to an external power source.

9. A ventilation grating according to claim 2, characterised in that the pivot axis (35) is located behind the centre points of the two sides of the louver (2).

10. A ventilation grating as claimed in claim 2, characterised in that the front of the slots (31) is flared.

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