Small-opening-degree automatic closing structure for fan blades of intelligent aluminum alloy fireproof window
Technical Field
The application relates to the field of fire prevention windows, especially, relate to a little aperture self-closing structure of flabellum of intelligence aluminum alloy fire prevention window.
Background
Currently, a fire window is a window that, in conjunction with a frame, meets the requirements of fire stability and fire integrity over a period of time. When lighting and ventilation are needed on two building outer walls with insufficient fire-proof spacing or between spaces separated by a fire-proof wall, fire-proof windows should be adopted.
Chinese patent with publication number CN210343074U discloses a small-opening automatic closing structure for fan blades of an intelligent aluminum alloy fireproof window, which comprises a transmission groove arranged on a window frame, a sliding block connected in the transmission groove in a sliding manner, a connecting rod with one end hinged with the sliding block and the other end hinged with a window sash, and a driving device arranged in the transmission groove and used for detecting the position of the sliding block and driving the sliding block, wherein the driving device comprises a fixed plate fixed in the transmission groove, an electromagnet fixed on the side wall of the fixed plate close to the sliding block, a reflective photoelectric switch fixed on the side wall of the fixed plate close to the sliding block, a storage battery fixed in the transmission groove, and a magnet block fixed on the side wall of the sliding block close to the fixed plate; the electromagnet is electrically connected with the storage battery, and the reflective photoelectric switch is connected in series in a circuit between the electromagnet and the storage battery.
In view of the above-mentioned related art, the inventor believes that the driving device includes some series of electrical components, and from the safety point of view, the electrical components may increase the failure rate under the high temperature condition, and even may generate a series of potential safety hazards.
SUMMERY OF THE UTILITY MODEL
In order to realize avoiding electrical components's use, improve the purpose of safety in utilization, this application provides a little aperture self-closing structure of flabellum of intelligence aluminum alloy fire window.
The application provides a pair of little aperture self-closing structure of flabellum of intelligence aluminum alloy fire window adopts following technical scheme:
the utility model provides an intelligence aluminum alloy fire window's little aperture self-closing structure of flabellum, includes window frame and the flabellum of setting on the window frame, still includes the closing device that is used for the little aperture self-closing of flabellum and is used for carrying out the locking device that locks to closed flabellum, be provided with articulated seat on the window frame, two articulated seat all is located the upper and lower both ends of window frame one side, the flabellum is provided with two axle beds, axle bed and articulated seat one-to-one, two all be provided with the articulated shaft on the axle bed, the equal coaxial fixedly connected with double-screw bolt of articulated shaft one end, hexagonal groove in the other end has all been seted up, and the double-screw bolt is threaded connection in an axle bed respectively, closing device sets up between axle bed and articulated shaft, locking device sets up and keeps away from articulated seat one side at the window frame.
Through adopting above-mentioned technical scheme, articulated shaft and axle bed threaded connection make things convenient for operating personnel to twist and move interior hexagonal groove and dismantle the change to it, when the aperture ratio of fire prevention window flabellum is more little, the flabellum can be laminated with the window frame under closing device's effect, locking device on the window frame can firmly lock the flabellum simultaneously, reduces the flabellum and is pushed the condition of opening under the non-artificial effect, adopts pure mechanical structure also to reduce electrical components and can produce a series of potential safety hazards under high temperature, has improved the security that the fire prevention window used.
Optionally, the locking device includes a first driving ring, a second driving ring, a main driving assembly and an auxiliary driving assembly, the hinge shaft coaxially penetrates through the first driving ring and the second driving ring, one end of the first driving ring is fixedly connected to the shaft seat, the other end of the first driving ring is provided with a reset groove, a first inclined surface is provided at one side of the reset groove, the second driving ring is located between the hinge seat and the first driving ring and is distributed relative to the first driving ring, the second driving ring is close to a reset block which is fixedly connected to one end of the first driving ring and is matched with the reset groove, the reset block is provided with a second inclined surface corresponding to the position of the first inclined surface, and the main driving assembly and the auxiliary driving assembly are both fixed to the second driving ring and are both located between the second driving ring and the hinge seat.
Through adopting above-mentioned technical scheme, when the aperture of fire prevention window flabellum is bigger, the reset block breaks away from the groove that resets to the butt has the terminal surface in the groove that resets at first lock ring, when the aperture of fire prevention window flabellum is than smaller, the first inclined plane in the groove that resets and the second inclined plane contact of reset block, under main drive assembly and auxiliary drive assembly's effect, the reset block can follow first inclined plane and insert the groove that resets, drives the flabellum and closes, realizes the effect of the little aperture self-closing of flabellum.
Optionally, the main drive subassembly includes baffle and driving spring, the baffle cover is established on the articulated shaft, and one end fixed connection keeps away from first drive ring one end at the second drive ring, the baffle is provided with first slider towards window frame one end, be equipped with first spout on the window frame, first slider slides along articulated shaft axis direction in first spout, the driving spring cover is established on the articulated shaft, and one end and baffle butt, the other end and articulated seat butt.
Through adopting above-mentioned technical scheme, the baffle promotes the second locking ring along the articulated shaft axis direction and is close to first locking ring under the combined action of drive spring, first slider and first spout, and the drive flabellum is closed when the fire prevention window flabellum is little aperture.
Optionally, the auxiliary driving assembly comprises an elastic sheet, a first fixing seat and a second fixing seat, the elastic sheet is always in a compressed state, the first fixing seat is fixedly connected to the baffle and far away from one side of the fan blade, the second hinge seat is fixedly connected to the hinge seat and far away from one side of the fan blade, insertion blocks are fixedly connected to two ends of the elastic sheet, slots matched with the insertion blocks are formed in the first fixing seat and the second fixing seat, and the insertion blocks at two ends of the elastic sheet are respectively inserted into the two slots.
Through adopting above-mentioned technical scheme, the flexure strip is in the compressed state all the time, and its elasticity can promote first fixing base and the separation of second fixing base to promote second locking ring to be close to first locking ring, can assist main drive assembly drive flabellum closure when the fire prevention window flabellum is little aperture, because the flexure strip is in the compressed state for a long time, the connection can be dismantled on first fixing base and second fixing base to the flexure strip, can make things convenient for the flexure strip periodic replacement, improves the security of its use.
Optionally, the hinged seat is provided with a second sliding block towards one side of the window frame, a second sliding groove is formed in the window frame, the second sliding block slides in the second sliding groove along the width direction of the window frame, one end, far away from the fan blades, of the second sliding block is fixed on the window frame through a countersunk head bolt, the second sliding groove is communicated with the first sliding groove, and the cross section size of the second sliding groove perpendicular to the length direction is larger than that of the first sliding groove perpendicular to the length direction.
Through adopting above-mentioned technical scheme, articulated seat can dismantle through second slider, second spout and countersunk head bolt and connect on the window frame, and the second spout communicates with first spout for main drive assembly realizes dismantling, makes things convenient for the part to change, improves overall structure's security.
Optionally, the main drive assembly and the auxiliary drive assembly are covered with protective covers, and the protective covers can be detachably fixed on the window frame.
Through adopting above-mentioned technical scheme, reduce the external factor through setting up the safety cover and corrode the condition of main drive assembly and auxiliary drive subassembly, improve overall structure's life, the connection can be dismantled to the safety cover, can make things convenient for the maintenance and the maintenance in later stage.
Optionally, locking device includes elastic rod, latch hook and pull ring, the window frame is kept away from articulated seat one side intermediate position and has been seted up the cavity, the cavity is opened towards flabellum one end, and the other end is sealed, the elastic rod sets up in the cavity, the elastic rod is close to flabellum one end and wears out the cavity to with latch hook fixed connection, other end fixedly connected with fixed plate, the fixed plate can be dismantled with the cavity blind end and be connected, the flabellum corresponds the latch hook position and has seted up the draw-in groove, the latch hook joint is in the draw-in groove, pull ring fixed connection keeps away from draw-in groove one end at the latch hook.
Through adopting above-mentioned technical scheme, when the flabellum was closed, the elastic rod forced the latch hook joint in the draw-in groove under the elastic force effect to with the flabellum locking on the window frame, reduce the condition that the flabellum was opened under non-human action, through can dismantling the connection with the elastic rod, can make things convenient for its change, improve the security of overall structure, set up the pull ring on the latch hook, can make things convenient for operating personnel to remove the locking of latch hook to the flabellum.
Optionally, one end, far away from the elastic rod, of the lock hook is provided with a third inclined surface, the first inclined surface faces the fan blade, the cavity opening is provided with a limiting block, and the limiting block is fixedly connected to the inner wall of the cavity and abutted against one side, close to the fan blade, of the elastic rod.
Through adopting above-mentioned technical scheme, when the flabellum was closed, the flabellum promoted the third inclined plane for the flabellum slope is kept away from to the latch hook, until the latch hook joint under the elastic action of elastic rod in the draw-in groove, realizes that the flabellum closes automatic locking of back, thereby sets up the reducible flexure strip of stopper and hinders the closed condition of flabellum towards the flabellum slope under the elastic action.
Optionally, the window frame has been seted up the seal groove towards flabellum one side, the flabellum has been seted up round window groove towards window frame one side global, the seal groove tank bottom is provided with round sealed pad, sealed inside cavity of pad to it has the buffering cotton to fill.
By adopting the technical scheme, the sealing effect of the fan blades and the window frame can be improved by arranging the sealing gasket at the bottom of the sealing groove, the impact force to the window frame when the fan blades are closed is reduced by filling the buffering cotton in the sealing gasket, the deformation of the window frame under the action of the impact force can be reduced, and the service lives of the fan blades and the window frame are prolonged.
Optionally, the flabellum is kept away from articulated seat one side and is inlayed and be equipped with two iron sheets, two the iron sheet is located the draw-in groove both sides, the window frame corresponds two iron sheet positions and all inlays and be equipped with magnet, magnet and iron sheet actuation.
Through adopting above-mentioned technical scheme, through the mutual actuation of magnet and iron sheet, can promote flabellum and window frame to laminate each other to improve the sealed effect of fire window.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the locking device locks the closed fan blades on the window frame, so that the situation that the fan blades are pushed open under the action of non-manpower can be reduced, and the closing device and the locking device are of pure mechanical structures, so that a series of potential safety hazards generated by electrical components at high temperature are reduced, and the use safety of the fireproof window is improved;
2. the protective covers are arranged on the main driving assembly and the auxiliary driving assembly in a covering mode to reduce corrosion of external factors to internal structures, and the sealing gaskets filled with the buffer surfaces are arranged to buffer impact force to a window frame when the fan blades are closed, so that the service life of the whole structure can be prolonged.
3. Through set up the sealing washer at sealed tank bottom to drive the laminating of flabellum and window frame through magnet and iron sheet, can improve the sealed effect of flabellum and window frame.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural diagram for embodying a main driving assembly according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram for embodying a closure device and a protective cover according to an embodiment of the present application.
Fig. 4 is a cross-sectional view for showing a closed state of the fan blades according to the embodiment of the present application.
Fig. 5 is a partially enlarged view of a portion a in fig. 4.
Description of reference numerals: 1. a window frame; 11. a fan blade; 12. a hinged seat; 121. a second slider; 122. a second chute; 123. a countersunk bolt; 13. a shaft seat; 14. hinging a shaft; 141. a stud; 142. an inner hexagonal groove; 15. a first drive ring; 151. a reset groove; 152. a first inclined plane; 16. a second drive ring; 161. a reset block; 162. a second inclined plane; 2. a main drive assembly; 21. a baffle plate; 22. a first slider; 23. a first chute; 24. a drive spring; 3. an auxiliary drive assembly; 31. an elastic sheet; 32. inserting a block; 33. a first fixed seat; 34. a second fixed seat; 35. a slot; 4. a protective cover; 5. a cavity; 51. a limiting block; 52. an elastic rod; 53. a card slot; 54. a latch hook; 541. a third inclined plane; 542. a pull ring; 55. a fixing plate; 6. a sealing groove; 61. a window groove; 62. a gasket; 63. buffering cotton; 64. iron sheets; 65. and a magnet.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses little aperture self-closing structure of flabellum of intelligence aluminum alloy fire prevention window. Like fig. 1 and fig. 2, a little aperture self-closing structure of flabellum of intelligence aluminum alloy fire window includes window frame 1, window frame 1 is the rectangle, be provided with flabellum 11 on the window frame 1, the upper and lower both ends of 1 width direction one side of window frame are provided with two articulated seats 12, be fixed with two axle beds 13 with articulated seat 12 one-to-one through countersunk head bolt 123 on the flabellum 11, articulated shaft 14 wears to be equipped with in the articulated seat 12, the coaxial fixedly connected with double-screw bolt 141 of articulated shaft 14 one end, double-screw bolt 141 and axle bed 13 end threaded connection, hexagon socket head 142 in articulated shaft 14 other end has been seted up, articulated shaft 14 runs through axle bed 13. A closing device is arranged between the shaft seat 13 and the hinged seat 12, and a locking device is arranged on one side of the window frame 1 far away from the hinged seat 12.
With 14 one end threaded connection of articulated shaft on axle bed 13, the other end runs through articulated seat 12, the realization articulates flabellum 11 on window frame 1, make things convenient for operating personnel to install and remove it again, automatic closing can when being less through the closing device drive flabellum 11 aperture that sets up between axle bed 13 and articulated seat 12, through setting up flabellum 11 after keeping away from articulated seat 12 one side locking device locking and closing at window frame 1, on the one hand, closing device and locking device are pure mechanical structure, adopt high temperature resistant material can reduce the influence to its function under the high temperature environment, on the other hand, set up locking device and can reduce the condition of pushing away flabellum 11 under the unmanned effect, the security of fire window has been improved.
As shown in fig. 2 and fig. 3, the closing device includes a first driving ring 15, the first driving ring 15 is coaxially sleeved on the hinge shaft 14, one end of the first driving ring 15 is fixedly connected to the shaft seat 13, the other end of the first driving ring 15 is provided with a reset groove 151, and one side of the reset groove 151 is provided with a first inclined surface 152, one end of the first driving ring 15 away from the shaft seat 13 is abutted to a second driving ring 16, the second driving ring 16 is also coaxially sleeved on the hinge shaft 14, the second driving ring 16 faces one end of the first driving ring 15 and is fixedly connected with a reset block 161, the reset block 161 is located in the reset groove 151, and the reset block 161 is provided with a second inclined surface 162 corresponding to the first inclined surface 152, the second driving ring 16 is provided with a main driving assembly 2, and the main driving assembly 2 is located between the second driving ring 16 and the hinge seat 12.
The main driving component 2 comprises a baffle 21, the baffle 21 is sleeved on the hinge shaft 14 and is fixedly connected to one side, deviating from the first driving ring 15, of the second driving ring 16, the baffle 21 faces one end of the window frame 1 and is fixedly connected with a first sliding block 22, the window frame 1 is provided with a first sliding groove 23, the first sliding block 22 is connected to the first sliding groove 23 in a sliding mode along the axis direction of the hinge shaft 14, the baffle 21 deviates from one side of the second driving ring 16 and is provided with a driving spring 24, the driving spring 24 is sleeved on the hinge shaft 14, one end of the driving spring abuts against the baffle 21, the other end of the driving spring abuts against the hinge seat 12, the driving spring 24 is always in a compressed state, and the baffle 21 is provided with an auxiliary driving component 3 for assisting the main driving component 2 to push the second driving ring 16.
Auxiliary drive assembly 3 includes flexure strip 31, flexure strip 31 is the U-shaped, the equal fixedly connected with inserted block 32 in its both ends, baffle 21 keeps away from the first fixing base 33 of 11 one side fixedly connected with of flabellum, articulated seat 12 keeps away from 11 one side fixedly connected with second fixing base 34 of flabellum, keep away from 11 one side of flabellum on first fixing base 33 and the second fixing base 34 and all seted up slot 35 along 1 direction of perpendicular window frame, slot 35 is close to 1 one end of window frame and seals, the other end is opened, the inserted block 32 at flexure strip 31 both ends is inserted respectively in the slot 35 of first fixing base 33 and second fixing base 34, and flexure strip 31 is in the state of being compressed all the time.
The second driving ring 16 is fixedly connected with the baffle 21, the first slide block 22 fixedly connected with the baffle 21 slides in the first slide groove 23 along the axial direction of the hinge shaft 14, so that the second driving ring 16 can only slide along the axial direction of the hinge shaft 14, the rotation of the second driving ring 16 is limited, and the second driving ring 16 is tightly pressed against the first driving ring 15 under the action of the elastic force of the driving spring 24 and the elastic sheet 31.
When the opening angle of the fan blades 11 is increased, the first drive ring 15 and the second drive ring 16 rotate relatively, the first inclined surface 152 presses the second inclined surface 162 to make the second drive ring 16 retreat, so that the reset block 161 is separated from the reset groove 151, and the reset block 161 abuts against one end of the first drive ring 15 with the reset groove 151 at the moment, so that no radial force is applied to the fan blades 11; when the opening angle of the fan blades 11 is relatively small, the reset block 161 is partially located in the reset groove 151, and at this time, the first inclined surface 152 contacts with the second inclined surface 162 to generate a guiding effect, and at the same time, under the thrust action of the driving spring 24 and the elastic sheet 31 on the second driving ring 16, the second driving ring 16 moves towards the reset groove 151, so as to generate a radial acting force on the first driving ring 15 to drive the fan blades 11 to close, and when the fan blades 11 are completely in the closed state, the reset block 161 is completely located in the reset groove 151. The inserting blocks 32 fixed at the two ends of the elastic piece 31 are inserted into the two slots 35, so that the elastic piece 31 can be detached and replaced, and the second sliding block 121 slides and is fixed in the second sliding groove 122, so that the hinge base 12 can be detached and replaced.
As shown in fig. 2 and fig. 3, the hinge base 12 is fixedly connected with a second sliding block 121 towards one end of the window frame 1, one end of the second sliding block 121 away from the fan blade 11 extends out of the hinge base 12, a second sliding groove 122 is formed in the window frame 1 corresponding to the second sliding block 121, one end of the second sliding groove 122 away from the fan blade 11 is open, the other end is closed, the second sliding block 121 slides along the width direction of the window frame 1 and is connected in the second sliding groove 122, the length of the second sliding block 121 is the same as that of the second sliding groove 122 and is fixed at the bottom of the second sliding groove 122 through a countersunk bolt 123, the second sliding groove 122 is communicated with the first sliding groove 23, and the section of the first sliding groove 23 perpendicular to the length direction is smaller than the section of the second sliding groove 122 perpendicular to the length direction. The first chute 23 has a smaller cross section perpendicular to the longitudinal direction than the second chute 122 and communicates with each other, so that the shutter 21 and the drive spring 24 can be detachably replaced.
The window frame 1 is fixedly connected with a protective cover 4 through screws, and the protective cover 4 covers the main driving assembly 2 and the auxiliary driving assembly 3, so that the protective effect on the internal structure of the window frame is achieved.
Referring to fig. 4 and 5, a cavity 5 is formed in the middle of one side of the window frame 1 away from the hinge base 12, the cavity 5 is open toward one side of the fan blade 11, the other side of the cavity is closed, a stopper 51 is fixedly connected in the cavity 5, the stopper 51 is located near the opening of the cavity 5, the locking device comprises an elastic rod 52, the elastic rod 52 is located in the cavity 5, the length direction of the elastic rod is perpendicular to the bottom surface of the cavity 5, one side of the elastic rod 52 facing the fan blade 11 is abutted to the stopper 51, one end of the elastic rod 52 is fixedly connected with a fixing plate 55, one side of the fixing plate 55 facing away from the elastic rod 52 is attached to the bottom surface of the cavity 5 and is fixedly connected to the bottom of the cavity 5 through a countersunk head bolt 123, the other end of the elastic rod 52 extends out of the cavity 5 and is fixedly connected with a locking hook 54, a locking groove 53 is formed in a position of the fan blade 11 corresponding to the locking hook 54, the locking hook 54 is located in the locking groove 53, an inclined surface is formed at the end of the locking hook 54, and faces the fan blade 11, the side of the latch hook 54 away from the inclined plane is fixedly connected with a pull ring 542.
When the closing device drives the fan blade 11 to close, one side of the fan blade 11 pushes the third inclined surface 541, so that the locking hook 54 is deflected towards the direction away from the fan blade 11 under the elastic force of the elastic rod 52, at the moment, the elastic rod 52 is in a bent state, and when the fan blade 11 is closed, the locking hook 54 is reset under the elastic force of the elastic rod 52 and is clamped in the clamping groove 53, so that the automatic locking of the closed fan blade 11 is realized; when the fan blades 11 need to be opened, the operator can pull the pull ring 542 to disengage the locking hook 54 from the locking slot 53, so as to unlock the fan blades 11. The stopper 51 is provided in the cavity 5 to abut against the elastic rod 52 toward the blade 11 side, and serves to reduce the possibility that the elastic rod 52 bends toward the blade 11 to block the closing of the blade 11.
As shown in fig. 1 and 5, a circle of sealing groove 6 is formed on one side of the window frame 1 facing the fan blade 11, a circle of window groove 61 is formed on one side of the fan blade 11 facing the window frame 1, the window groove 61 of the fan blade 11 is partially inserted into the sealing groove 6, a circle of sealing gasket 62 is fixedly connected to the bottom of the sealing groove 6, the sealing gasket 62 is abutted against one side of the fan blade 11 facing the window frame 1, and the sealing gasket 62 is hollow and filled with buffer cotton 63. Two magnets 65 are embedded on one side of the window frame 1 far away from the hinged seat 12, the magnets 65 are located on two sides of the cavity 5 along the length direction of the window frame 1, two iron sheets 64 are embedded on the fan blades 11 corresponding to the magnets 65, and the magnets 65 and the iron sheets 64 are attracted with each other.
Need have certain space as the surplus when flabellum 11 closes and between the window frame 1, can make the sealed effect of fire window not good, at 6 fixed round sealing gaskets 62 in seal groove bottom, flabellum 11 when closing with 6 bottom extrusion seal gaskets 62 in seal groove, make closely laminating between sealing gasket 62 and the flabellum 11, play sealed effect, through magnet 65 and iron sheet 64 mutual attraction close can promote flabellum 11 laminating window frame 1, improve the sealed effect of fire window, improve the safety in utilization. Certain impact force can be produced to window frame 1 when flabellum 11 closes under closing device's drive, through add the effect that buffering cotton 63 can effectual alleviating impact force acts on flabellum 11 and window frame 1 in sealed 62, improve life.
The implementation principle of the embodiment of the application is as follows: when the fan blade 11 is in a small opening state, the first inclined surface 152 contacts with the second inclined surface 162, under the combined action of the main driving assembly 2 and the auxiliary driving assembly 3, the second inclined surface 162 pushes the first inclined surface 152 to apply a radial force to the first driving ring 15, so that the fan blade 11 is driven to be turned to a closed state, in the turning process of the fan blade 11, one side of the fan blade 11, which is far away from the hinge base 12, pushes the third inclined surface 541 to make the latch hook 54 abdicate, at this time, the elastic rod 52 is in a bent state, when the fan blade 11 is completely closed, the latch hook 54 resets under the elastic force action of the elastic rod 52 and is clamped in the clamping groove 53, so that the locking of the fan blade 11 is completed. The effect of automatically closing the small opening of the fireproof window fan blade 11 is achieved by adopting a pure mechanical structure, and the use safety is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.