CN220036440U - Window closing device - Google Patents

Abstract

The utility model relates to the field of fireproof windows, in particular to a window closer which comprises a shell, a swing arm, an elastic piece, a propping piece, a connecting piece and a limiting component, wherein the shell is fixedly arranged on a windowsill, one end of the swing arm is arranged in the shell, the other end of the swing arm is connected with a window sash, the elastic piece, the propping piece, the connecting piece and the limiting component are arranged in the shell, one end of the elastic piece props against the end of the shell, the other end of the elastic piece is connected with the propping piece, the propping piece is movably arranged, the connecting piece can be movably arranged on the propping piece relative to the propping piece, and a linkage mechanism is arranged between one end of the swing arm arranged in the shell and the connecting piece. According to the utility model, through the cooperation of the limiting assembly, the propping piece and the elastic piece, the propping piece can be clamped, and the window can be closed timely when a fire occurs.

Description

Window closing device

Technical Field

The utility model relates to the field of fireproof windows, in particular to a window closer.

Background

Fire protection window means a window that can meet fire resistance stability and fire resistance integrity requirements over a period of time in conjunction with a frame. Fire windows should be used on two building exterior walls with insufficient fire clearance or between spaces separated by fire walls where lighting and ventilation are required. In order to achieve the maximum effect of ventilation and lighting, the fire window needs to be opened when no fire occurs, and in order to automatically close the fire window when a fire occurs, a window closer is usually arranged on the fire window in the prior art.

The existing window closing device usually adopts a mode that a positioning piece hooks the mandrel to fix the mandrel, and when a fire occurs, the mandrel is separated from the positioning piece to drive a connecting rod to push a movable piece to move so as to drive a swing arm to be closed, and then the window is driven to be closed automatically. However, the existing window closer adopts a mode of hooking the mandrel by the locating piece to fix the mandrel, so that the device is easy to be damaged due to incapability of unhooking in time or violent unhooking when a fire occurs, thereby causing the situation that the window cannot be closed in time when the fire occurs.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides the window closer which can not only clamp the propping piece but also ensure timely window closing when a fire occurs through the cooperation of the limiting component, the propping piece and the elastic piece.

The utility model adopts the following technical scheme:

the utility model provides a window closer, includes casing, swing arm, elastic component, top support piece, connecting piece and spacing subassembly, the casing is fixed to be set up on the windowsill, swing arm one end sets up in the casing, and the other end is connected the casement, and the swing arm can swing round the one end that sets up in the casing, elastic component, top support piece, connecting piece and spacing subassembly set up in the casing, the tip of casing is supported to the one end of elastic component, and the other end is connected and is supported the piece, the movable setting of top support piece, the connecting piece can be supported the piece activity relatively and set up on the top support piece, the swing arm set up one end in the casing with be provided with link gear between the connecting piece, spacing subassembly includes fusible piece and stopper, the rotatable setting of stopper is in the casing and the stopper is located the top support one side of keeping away from the elastic component, the rotation of one side restriction stopper is supported at the stopper to the fusible piece, make the stopper support piece extrusion elastic component makes the elastic component keep shrink state, form a maximum between stopper and the casing tip and the side restriction top support piece, the swing position is by the swing arm when the length is kept up to the sliding position by the swing arm.

Further, the propping piece is of an L-shaped structure with a transverse plate and a vertical plate which are perpendicular to each other, one end of the vertical plate is extruded to prop against the elastic piece, the tail end of the transverse plate props against the limiting block, and the connecting piece is arranged in parallel with the transverse plate of the propping piece.

Further, a long round hole is formed in the connecting piece, a screw hole is formed in the transverse plate of the propping piece, and the connecting bolt penetrates through the long round hole and is in threaded connection with the screw hole, so that the connecting piece can slide relative to the propping piece.

Further, the shell is provided with an adjusting hole, and the connecting bolt sequentially passes through the adjusting hole and the slotted hole to be in threaded connection with the screw hole, so that the connecting piece can slide relative to the propping piece.

Further, four limiting protrusions are further arranged in the shell, the limiting protrusions are arranged on a moving track of the propping piece towards one side of the elastic piece, the limiting protrusions are located at the compression limit of the elastic piece at the farthest position, and a space for the elastic piece to pass through is reserved between the four limiting protrusions.

Further, a limiting protrusion is arranged on one side, far away from the connecting piece, of the propping piece, a limiting hole is formed in a corresponding position on the shell, the limiting protrusion is positioned in the limiting hole, and the length of the limiting hole is larger than or equal to the moving distance of the propping piece when the swing arm swings from the maximum swing position to the closed position

Further, two mounting holes are formed in two ends of the shell, the two mounting holes penetrate through the shell, and the two mounting holes are perpendicular to each other.

Further, two special-shaped holes are formed in one end of the swing arm, a round hole structure with a protruding portion is formed in one end of the special-shaped hole, a sliding piece is arranged on the window sash, a special-shaped piece with the same shape as that of the special-shaped hole is rotatably arranged on the sliding piece, and the special-shaped piece penetrates through the special-shaped hole and rotates to enable the two protruding portions to be staggered, so that the swing arm is connected with the window sash.

Further, the limiting block is of a quarter cylinder structure with a circular arc-shaped transition part at one end.

Further, the stopper has a rotation portion and a spacing portion, spacing portion is the cuboid structure, spacing portion bottom is formed with a spacing recess, fusible piece card is established in spacing recess, rotation portion sets up in spacing portion one side that is close to the swing arm, rotation portion with spacing portion integrated into one piece, fusible piece with the top is supported on spacing portion.

As can be seen from the above description of the present utility model, compared with the prior art, the present utility model has the following beneficial effects:

first, when there is not the condition of a fire, through the rotation of fusible piece restriction locating part to through the removal of locating part restriction propping piece, make propping piece extrusion elastic component let the elastic component keep in compression state, compression state's elastic component exerts a force towards the locating part direction to propping piece, makes the swing arm of closing the window ware can stably keep open the state, guarantees the normal ventilation daylighting of fire window.

Second, when the condition of a fire takes place, fusible element fuses, and the locating part loses the support and can take place to rotate, and the elastic component promotes the top to support the piece and remove, and the top is supported the piece and is promoted the locating part and rotate and slide the cavity behind the locating part and remove, promotes the connecting piece simultaneously and remove, and the connecting piece promotes the swing arm swing through link gear, makes the fire prevention window close, adopts promotion formula linkage mode, guarantees that the top is supported the piece and can in time promote the stopper when the condition of a fire makes the fire prevention window close.

Thirdly, the tightness of the bolts can be adjusted through the adjusting holes, so that the tightness of the swing arms can be adjusted.

Fourth, through the mutually supporting of dysmorphism hole and dysmorphism piece, make the swing arm can connect the casement easily, and seted up two opposite sex holes on the swing arm, the window of different signal specifications can be adapted through the dysmorphism hole in different positions, improve the suitability of device, the rotatable setting of dysmorphism piece simultaneously can change the orientation of dysmorphism piece, further improves the suitability of device.

Fifthly, through two mounting holes which penetrate through the shell and are mutually perpendicular, the four sides of the shell are provided with the mounting holes, the mounting mode of the shell can be selected through the mounting holes, the shell can be applicable to various different windows, and the application range of the shell is improved.

Sixth, fusible piece one end passes the locating hole top and supports stopper, the other end protrusion in the casing, and the location of the easy frit of location Kong Fangbian ensures that fusible piece can be supported the stopper and restrict the rotation of stopper, and the heat conduction of easy frit is guaranteed in the part of casing to the protrusion simultaneously, makes easy frit can in time fuse, can in time close the window when guaranteeing to take place the condition of a fire.

Drawings

FIG. 1 is a schematic view of a first embodiment of the utility model showing the configuration of a fusible element in its intact state;

FIG. 2 is a schematic view of a first embodiment of the present utility model showing the structure of the fusible element when it is blown;

FIG. 3 is a schematic view of a first embodiment of the present utility model, showing the connection structure of the connecting member and the abutting member;

FIG. 4 is a schematic structural view of the housing of the present utility model;

FIG. 5 is a schematic view of a second embodiment of the present utility model showing the configuration of the fusible element in its intact state;

FIG. 6 is a schematic view of a second embodiment of the present utility model showing the structure of the fusible element when it is blown;

FIG. 7 is a schematic view of a second embodiment of the present utility model showing the swing arm in an open configuration with the fusible element intact;

FIG. 8 is a schematic structural view of a third embodiment of the present utility model showing the configuration of the fusible element in its intact state;

FIG. 9 is a schematic view of a third embodiment of the present utility model showing the configuration of the spacing projections and spacing holes;

fig. 10 is a partial enlarged view of a portion a in fig. 8.

In the figure: 1. the device comprises a shell, 10, a mounting hole, 11, a swing arm hole, 12, a positioning hole, 13, a regulating hole, 14, a limit rivet, 15, a limit hole, 2, a swing arm, 20, a special-shaped hole, 21, a sliding part, 22, a special-shaped part, 3, an elastic part, 4, a propping part, 5, a connecting part, 50, a long round hole, 6, a limit component, 60, a fusible part, 61, a limit block, 610, a limit groove, 7, a linkage mechanism, 70, a rack, 71, a gear, 8, a connecting bolt and 9, and a limit bulge.

Detailed Description

The utility model is further described below by means of specific embodiments.

Embodiment one:

referring to fig. 1 to 4, the window closer of the present utility model includes a housing 1, a swing arm 2, an elastic member 3, a propping member 4, a connecting member 5, a limiting component 6 and a linkage mechanism 7, wherein the housing 1 is fixedly disposed on a window sill, one end of the swing arm 2 is disposed in the housing 1, the other end is connected with a window sash, the swing arm 2 can swing around one end disposed in the housing 1, the elastic member 3, the propping member 4, the connecting member 5 and the limiting component 6 are disposed in the housing 1, one end of the elastic member 3 is propped against an end of the housing 1, the other end is connected with the propping member 4, the propping member 4 is movably disposed, the connecting member 5 can be movably disposed on the propping member 4 relative to the propping member 4, the linkage mechanism 7 is disposed between one end of the swing arm 2 disposed in the housing 1 and the connecting member 5, the limiting component 6 includes a fusible member 60 and a limiting block 61, the limiting block 61 is rotatably disposed in the housing 1 and is located at one side of the propping member 4 far away from the elastic member 3, the fusible member 60 is kept at the position 62, and the sliding position of the limiting block 4 is limited by the sliding position of the limiting member 4, and the sliding position of the limiting block 4 is limited by the sliding position 62.

The utility model discloses a shell, including casing 1, mounting hole 10, swing arm hole 11, locating hole 12 and regulation hole 13, two the mounting hole 10 link up casing 1 and two mounting hole 10 mutually perpendicular, casing 1 passes through mounting hole 10 installs on the windowsill, and swing arm hole 11 is seted up on casing 1, swing arm 2 one end passes swing arm hole 11 and sets up in casing 1, and locating hole 12 is seted up on casing 1 and is located swing arm hole 11 is close to casing 1 tip one side, and fusible piece 60 one end passes the locating hole and pushes up stopper 61, and the other end protrusion is in casing 1 outer wall. The adjusting hole 13 is formed in the shell 1 and is located at the other end of the swing arm hole 11, the bolt sequentially passes through the adjusting hole 13 and the oblong hole 50 (the adjusting hole 13 can not be formed in the shell 1, when the adjusting hole 13 is not formed, the propping piece 4 and the connecting piece 5 are riveted together through rivets), the shell 1 is formed with a riveting hole, and the limit rivet 14 passes through the riveting hole and is arranged in the shell 1 and is located at one end of the elastic piece 3 far away from the propping piece 4.

Two special-shaped holes 20 are formed in one end of the swing arm 2, the special-shaped holes 20 are of round hole structures with protruding portions formed in one end, sliding pieces 21 are arranged on the window sashes, special-shaped pieces 22 with the same shape as the special-shaped holes 20 are rotatably arranged on the sliding pieces 21, and the special-shaped pieces 22 penetrate through the special-shaped holes 20 and rotate to enable the two protruding portions to be staggered with each other, so that the swing arm 2 is connected with the window sashes. The special-shaped piece 22 is provided with an operation hole, the operation hole is a hexagon socket, and the direction of the protruding portion of the special-shaped piece 22 can be adjusted through the operation hole by using a hexagon spanner.

The propping piece 4 is of an L-shaped structure with a transverse plate and a vertical plate which are perpendicular to each other, one end of the vertical plate is extruded to prop against the elastic piece 3, and the tail end of the transverse plate props against the limiting block 61. The connecting piece 5 is provided with a slotted hole 50, the transverse plate of the propping piece 4 is provided with a screw hole, and the connecting bolt 8 passes through the slotted hole 50 to be in threaded connection with the screw hole so that the connecting piece 5 can slide relative to the propping piece 4. The connecting piece 5 is arranged parallel to the transverse plate of the abutment 4.

The elastic member 3 is a compression spring. The limiting block 61 is of a quarter cylindrical structure with a circular arc-shaped transition part at one end, the limiting block 61 is of a hollow structure surrounded by four sides, the weight of the limiting block 61 is reduced, and when a fire occurs, the limiting block can be easily pushed after the fusible piece 60 is fused. The fusible element 60 is made of fusible metal, and can be fused when a fire occurs, one end of the fusible element 60 abuts against the limiting block 61, and the other end of the fusible element protrudes out of the shell 1.

The linkage mechanism 7 is a rack 70 arranged on the connecting piece 5 and a gear 71 arranged at one end of the swing arm 2 in the shell 1, and the gear 71 is meshed with the rack 70.

The shell 1 is further provided with two limiting protrusions 9, the limiting protrusions 9 are oppositely arranged on the moving track of the propping piece 4 towards one side of the elastic piece 3, the limiting protrusions 9 are furthest located at the compression limit of the elastic piece 3, and a space for the elastic piece 3 to pass through is reserved between the two limiting protrusions 9.

With continued reference to fig. 1 to 4, in the use of the present utility model, when no fire occurs, the fusible element 60 abuts against the stopper 61 to limit the rotation of the stopper 61, so that the stopper 61 keeps abutting against the abutting element 4, the stopper 61 limits the movement of the abutting element 4, so that the abutting element 4 keeps pressing the elastic element 3, the elastic element 3 is abutted against the abutting element 4 to keep a compressed state, and a force directed toward the stopper 61 is applied to the abutting element 4. When the window is required to be opened and ventilated, the swing arm 2 swings outwards, because the gear 71 on the swing arm 2 is meshed with the rack 70 on the connecting piece 5, and the connecting piece 5 is arranged on the propping piece 4 through the oblong hole 50 and the connecting bolt 8, the connecting piece 5 moves relative to the propping piece 4 under the drive of the gear 71 of the rack 70, and the whole window opening process is completed.

When a fire occurs, the fusible element 60 fuses at a high temperature, the propping element 4 is pushed to move towards one side of the limiting block 61 by the force exerted by the elastic element 3, the limiting block 61 is not supported and is pushed by the propping element 4 to rotate, the limiting block 61 rotates to enable a avoidance space to be formed between the limiting block 61 and the inner wall of the shell 1, the transverse plate of the propping element 4 moves towards the sliding cavity 62 through the avoidance space, meanwhile, the connecting bolt 8 moves in the slotted hole 50 for a certain distance and then pushes the edge of the slotted hole 50 to push the connecting element 5 and the propping element 4 to move simultaneously, and the connecting element 5 drives the swing arm 2 to swing inwards through the gear 71 and finish window closing, so that window closing can be timely performed when the fire occurs, and safety is ensured.

Through two mounting holes 10 which are communicated with the shell 1 and are mutually perpendicular, the four sides of the shell 1 are respectively provided with the mounting holes 10, the mounting mode of the shell 1 can be selected through the mounting holes 10, the shell 1 can be applied to various different windows, the application range of the shell 1 is improved, the swing arm 2 can be mounted and connected through which opposite hole 20 is selected according to the actual use condition, the device is applicable to different windows, and the application range of the device is improved. The limiting protrusion 9 limits the movement of the propping piece 4 towards one side of the elastic piece 3, so that the situation that the elastic piece 3 is damaged and the window cannot be closed timely due to excessive extrusion of the elastic piece 3 by the propping piece 4 is avoided.

Embodiment two:

continuing with fig. 5 to 7, fig. 5 to 7 are schematic structural diagrams of a second embodiment of the present utility model, and compared with the first embodiment, the second embodiment has the following distinguishing technical features: the limiting block 61 is provided with a rotating part and a limiting part, the limiting part is of a cuboid structure, a limiting groove 610 is formed in the bottom of the limiting part, the position of the limiting groove 610 is opposite to the positioning hole 12, the rotating part is of a cylindrical structure and is arranged on one side, close to the swing arm 2, of the limiting part, the rotating part and the limiting part are integrally formed, the fusible piece 60 penetrates through the positioning hole 12 and is arranged in the limiting groove 610 and abuts against the limiting block 61, and the abutting piece 4 abuts against the limiting part. The position of the fusible element 60 is limited by the limiting groove 610, so that the limiting block 61 and the fusible element cannot slide to cause dislocation in normal use, and normal daily use is ensured.

Embodiment III:

continuing with fig. 8 to 10, fig. 8 to 10 are schematic structural views of a second embodiment of the present utility model, and compared with the second embodiment, a third embodiment is characterized in that: the limiting protrusion 9 is arranged on one side, far away from the connecting piece 5, of the propping piece 4, the limiting protrusion 9 is close to one side of the vertical plate, a limiting hole is formed in the shell, the limiting protrusion is slidably located in the limiting hole 15, the limiting protrusion is located in the limiting hole 15, and the length of the limiting hole 15 is larger than or equal to the moving distance of the propping piece when the swing arm swings from the maximum swing position to the closed position. When the elastic piece 3 is compressed to the limit by the propping piece 4, the limiting protrusion 9 is propped against the side wall of the limiting hole 15, so that the propping piece 4 can not move towards one side of the elastic piece 3 any more, and the elastic piece 3 is prevented from being damaged.

The foregoing is only three embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the concept should be construed as infringement of the protection scope of the present utility model.

Claims (10)

1. A window closer, characterized by: including casing, swing arm, elastic component, top support piece, connecting piece and spacing subassembly, the casing is fixed to be set up on the windowsill, swing arm one end sets up in the casing, and the other end is connected the casement, and the swing arm can be round the one end swing of setting in the casing, elastic component, top support piece, connecting piece and spacing subassembly set up in the casing, the tip of casing is supported to the one end top of elastic component, and the other end is connected and is supported the piece, the movable setting of top support piece, the connecting piece can be supported the piece activity relatively and set up on top support piece, the swing arm set up one end in the casing with be provided with link gear between the connecting piece, spacing subassembly includes fusible piece and stopper, the rotatable setting of stopper is in top support one side that keeps away from the elastic component and is located top support piece, fusible piece top is supported the rotation of limiting stopper in one side of stopper, make the stopper support one side of supporting the top support piece and is limited the removal of supporting the piece, top support piece extrusion elastic component makes the elastic component keep shrinkage state, be formed with a slip cavity between stopper and the casing tip, the maximum length is greater than when the swing arm moves to the swing position by the swing arm is kept close to the swing position.

2. A window closer according to claim 1, wherein: the supporting piece is of an L-shaped structure with a transverse plate and a vertical plate which are perpendicular to each other, one end of the vertical plate is extruded to support the elastic piece, the tail end of the transverse plate supports the limiting block, and the connecting piece is arranged in parallel with the transverse plate of the supporting piece.

3. A window closer according to claim 1, wherein: the connecting piece is provided with a slotted hole, the transverse plate of the propping piece is provided with a screw hole, and the connecting bolt penetrates through the slotted hole and is in threaded connection with the screw hole so that the connecting piece can slide relative to the propping piece.

4. A window closer according to claim 3, wherein: the shell is provided with an adjusting hole, and the connecting bolt sequentially passes through the adjusting hole and the oblong hole to be in threaded connection with the screw hole, so that the connecting piece can slide relative to the propping piece.

5. A window closer according to claim 1, wherein: the shell is internally provided with four limit bulges, the limit bulges are arranged on the moving track of the propping piece towards one side of the elastic piece, the limit bulges are furthest positioned at the compression limit of the elastic piece, and a space for the elastic piece to pass through is arranged between the four limit bulges.

6. A window closer according to claim 1, wherein: the device is characterized in that a limiting protrusion is arranged on one side, far away from the connecting piece, of the propping piece, a limiting hole is formed in the corresponding position of the shell, the limiting protrusion is located in the limiting hole, and the length of the limiting hole is greater than or equal to the moving distance of the propping piece when the swing arm swings from the maximum swing position to the closed position.

7. A window closer according to claim 1, wherein: two mounting holes are formed in two ends of the shell, the two mounting holes penetrate through the shell, and the two mounting holes are perpendicular to each other.

8. A window closer according to claim 1, wherein: two special-shaped holes are formed in one end of the swing arm, a round hole structure with a protruding portion is formed in one end of the special-shaped hole, a sliding piece is arranged on the window sash, a special-shaped piece with the same shape as that of the special-shaped hole is rotatably arranged on the sliding piece, and the special-shaped piece penetrates through the special-shaped hole and rotates to enable the two protruding portions to be staggered, so that the swing arm is connected with the window sash.

9. A window closer according to claim 1, wherein: the limiting block is of a quarter cylinder structure with a circular arc-shaped transition part at one end.

10. A window closer according to claim 1, wherein: the limiting block is provided with a rotating part and a limiting part, the limiting part is of a cuboid structure, a limiting groove is formed in the bottom of the limiting part, the fusible piece is clamped in the limiting groove, the rotating part is arranged on one side, close to the swing arm, of the limiting part, the rotating part is integrally formed with the limiting part, and the fusible piece abuts against the abutting part.