CN211736814U - Fire-proof window sash opening and closing device - Google Patents

Abstract

The utility model relates to a fire-proof window sash opening and closing device, which comprises a main body component, a folding component and a guide rail component; the main body assembly comprises a mounting frame, a rack arranged in the mounting frame in a sliding manner, and an elastic piece abutted against the rack; the folding assembly comprises a rotating arm meshed with the rack, a telescopic arm arranged on the rotating arm in a sliding manner, and a friction plate arranged between the rotating arm and the telescopic arm; the guide rail assembly comprises a connecting piece connected with the telescopic arm, a sliding rail connected with the connecting piece, a blocking piece embedded on the sliding rail and a melting piece respectively connected with the sliding rail and the blocking piece; the separation blade and the connecting piece butt, melting the piece and be used for fixing the separation blade on the slide rail, melting the piece and melt when high temperature state. Above-mentioned fire prevention casement headstock gear, when the conflagration takes place, melt the piece and melt the separation blade and do not support the connecting piece, and then the distance between main part subassembly and the guide rail subassembly can change, realizes automatic closed window under the elastic component effect, the protection of maximize life and property safety.

Description

Fire-proof window sash opening and closing device

Technical Field

The utility model relates to a technical field is connected to the casement, especially relates to a fire prevention casement headstock gear.

Background

The opening and closing device of the window sash is correspondingly arranged between the window frame and the window and used for realizing the rotary opening and closing operation between the window and the window frame. In case of fire, the window needs to be closed as soon as possible to prevent the spread of fire as soon as possible and reduce the transmission of high temperature, so as to control the development of fire and separate the fire and personnel relatively for saving time.

The existing window sash opening and closing devices are manually closed, when a fire disaster happens, personnel need to waste precious time to manually close a window to isolate the fire, and life and property safety cannot be protected to the maximum.

SUMMERY OF THE UTILITY MODEL

In view of this, there is a need for a fire resistant sash opening and closing device that automatically closes in the event of a fire.

A fire resistant sash opening and closing device comprising:

the main body assembly comprises a mounting frame, a rack arranged in the mounting frame in a sliding mode and an elastic piece abutted against the rack;

the folding assembly comprises a rotating arm meshed with the rack, a telescopic arm connected with the rotating arm and a friction plate arranged between the telescopic arm and the rotating arm; the telescopic arm is arranged on the rotating arm in a sliding mode, and the friction plate is used for keeping the moving position of the telescopic arm fixed; and

the guide rail assembly comprises a connecting piece connected with the telescopic arm, a sliding rail connected with the connecting piece, a blocking piece embedded on the sliding rail and a melting piece respectively connected with the sliding rail and the blocking piece; the separation blade with the connecting piece butt, the melting piece is used for fixing the separation blade on the slide rail, the melting piece melts under high temperature state.

According to the fireproof window sash opening and closing device, the telescopic arm and the rotating arm which can move relatively are arranged, so that the requirement on the change of the distance between the main body assembly and the guide rail assembly is met in the opening and closing rotating process of a window sash, the melting part melts when a fire disaster occurs, the blocking piece does not support the connecting piece, the connecting piece can move along the direction of the slide rail, the distance between the main body assembly and the guide rail assembly changes, the telescopic arm and the rotating arm can move relatively without overcoming the friction force of a friction plate, namely, the distance between the main body assembly and the guide rail assembly can be changed by moving the connecting piece in the slide rail, further, the automatic window closing operation is realized under the action of the elastic part, and the life and property safety is protected to; meanwhile, the installation frame and the sliding rail are arranged on the surface of the window sash, so that the window sash does not need to be grooved and installed, the integrity of the window sash is ensured, and the service life of the window sash is prolonged.

In one embodiment, the melting piece is a fusible alloy piece, and the high temperature state is not less than sixty-four degrees celsius.

In one embodiment, the rotating arm comprises an engaging block and a connecting rod; the engaging block is engaged with the rack, and the telescopic arm is slidably arranged on the connecting rod.

In one embodiment, the folding assembly further comprises a slide pin; the sliding pins are respectively and correspondingly arranged on the rotating arm and the telescopic arm, and the sliding pins correspondingly penetrate through the friction plates.

In one embodiment, the rotating arm and the telescopic arm are respectively provided with a sliding groove correspondingly; the sliding pin arranged on the rotating arm is correspondingly and slidably arranged in the sliding groove of the telescopic arm, and the sliding pin arranged on the telescopic arm is correspondingly and slidably arranged in the sliding groove of the rotating arm.

In one embodiment, the mounting frame comprises a base and a cover block; the rack is arranged between the base and the cover block, the meshing block is arranged on one side of the cover block, and the meshing block penetrates through the cover block to be meshed with the rack.

In one embodiment, the elastic member is arranged in the same direction as the rack.

In one embodiment, the elastic member comprises a sleeve and a spring arranged in the sleeve; the end part of the sleeve is correspondingly connected and fixed with the mounting frame.

In one embodiment, one end of the rack close to the elastic piece is provided with a mandril; one end of the ejector rod is correspondingly inserted into the sleeve and is abutted against one end of the spring.

In one embodiment, an adjusting bolt is arranged at one end of the spring, which is opposite to the ejector rod, the adjusting bolt and the spring are arranged in the same direction, and the adjusting bolt abuts against the end of the spring to adjust the length of the spring.

Drawings

Fig. 1 is a schematic structural view of a fire-proof window sash opening and closing device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the fire protection window sash opening and closing apparatus in an automatically closed state in the event of a fire;

fig. 3 is a schematic view of the fire-resistant window sash opening and closing apparatus showing the structure when the window sash is opened in normal operation;

fig. 4 is an exploded view of the fire window sash opening and closing apparatus of fig. 1;

FIG. 5 is a schematic exploded view of the body assembly of FIG. 1;

FIG. 6 is a schematic diagram of an exploded view of the folding assembly of FIG. 1;

fig. 7 is a schematic structural view of the guide rail assembly of fig. 1.

The reference numbers in the drawings have the meanings given below:

100-fire window sash opening and closing device 100;

10-main body component, 20-mounting rack, 21-base, 25-cover block, 30-rack, 40-elastic component, 41-sleeve, 42-spring, 45-ejector rod and 46-adjusting bolt;

50-folding component, 51-rotating arm, 55-meshing block, 56-connecting rod, 57-chute, 52-telescopic arm, 53-friction plate and 54-sliding pin;

60-guide rail assembly, 61-connecting piece, 62-sliding rail, 63-baffle plate and 64-melting piece.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 7, a fire-proof window opening and closing device 100 according to an embodiment of the present invention includes a main body assembly 10, a folding assembly 50 connected to the main body assembly 10, and a guide rail assembly 60 connected to the folding assembly 50. The fire-proof window sash opening and closing device 100 is correspondingly arranged between a window frame of a window sash so as to realize the rotary opening and closing operation between the window and the window frame; the main body assembly 10 is correspondingly installed on a window, the main body assembly 10 rotates along with the rotation of the window, and the main body assembly 10 comprises an installation frame 20, a rack 30 arranged in the installation frame 20 in a sliding mode, and an elastic piece 40 abutted against the rack 30; the elastic member 40 serves to elastically support the rack 30 to perform a returning movement of the rack 30, and the elastic member 40 provides power for the automatic closing of the window in case of a fire. The folding assembly 50 includes a rotation arm 51 engaged with the rack 30, a telescopic arm 52 connected with the rotation arm 51, and a friction plate 53 disposed between the telescopic arm 52 and the rotation arm 51; the folding assembly 50 is correspondingly arranged between the main body assembly 10 and the guide rail assembly 60, and the telescopic arm 52 is slidably arranged on the rotating arm 51 and used for ensuring that the requirement of distance change of relative movement between the main body assembly 10 and the guide rail assembly 60 when the window is opened, closed and rotated is met; this friction disc 53 is used for keeping fixed telescopic boom 52 shift position, and then when guaranteeing normal use, rotates the window to assigned position angle back window can not automatic closure. The guide rail assembly 60 is correspondingly and fixedly installed on the window frame, and the guide rail assembly 60 comprises a connecting piece 61 connected with the telescopic arm 52, a sliding rail 62 connected with the connecting piece 61, a blocking piece 63 embedded on the sliding rail 62, and a melting piece 64 respectively connecting the sliding rail 62 and the blocking piece 63; separation blade 63 and connecting piece 61 butt, separation blade 63 is used for carrying out spacing support to connecting piece 61, should melt piece 64 and be used for fixing separation blade 63 on slide rail 62, melt piece 64 and melt when high temperature state, melt piece 64 after melting is not fixing separation blade 63 on slide rail 62, and then make separation blade 63 drop, connecting piece 61 can move along slide rail 62 direction, and then closed the casement under the effect of elastic component 40, the operation of automatic closed casement when realizing the conflagration emergence.

According to the fire-proof window sash opening and closing device 100, the telescopic arm 52 and the rotating arm 51 which can move relatively are arranged, so that the requirement of changing the distance and the angle between the main body assembly 10 and the guide rail assembly 60 in the opening and closing rotating process of the window sash is met, the melting piece 64 melts when a fire occurs, the blocking piece 63 does not support the connecting piece 61, the connecting piece 61 can move along the direction of the sliding rail 62, the distance and the angle between the main body assembly 10 and the guide rail assembly 60 change at the moment, the telescopic arm 52 and the rotating arm 51 can move relatively without overcoming the friction force of the friction plate 53, namely, the distance and the angle between the main body assembly 10 and the guide rail assembly 60 can be changed by moving the connecting piece 61 in the sliding rail 62, further, the automatic window closing operation is realized under the action of the elastic piece 40, and the life; meanwhile, the installation frame 20 and the sliding rail 62 are arranged on the surface of the window sash, so that the window sash does not need to be installed in a groove, the integrity of the window sash is ensured, and the service life of the window sash is prolonged.

In some embodiments, the main body assembly 10 is horizontally disposed on the top of the window, the mounting bracket 20 is formed in a hollow rectangular structure and extends horizontally, the mounting bracket 20 is screwed to the outer surface of the window, and the mounting bracket 20 includes a base 21 and a cover 25; the base 21 and the cover block 25 are approximately in an L-shaped structure and are buckled with each other, the base 21 and the cover block 25 are in a long strip shape and extend along the horizontal direction, and the base 21 and the cover block 25 are clamped and connected through a buckle. The rack 30 is in a long strip shape and extends along the horizontal direction, the rack 30 is correspondingly arranged between the base 21 and the cover block 25, and the rack 30 correspondingly slides along the arrangement direction of the mounting rack 20. It will be appreciated that the mounting bracket 20 is correspondingly mounted to the top surface of the window, and does not require slotted mounting of the window.

The elastic piece 40 is in a long strip shape and extends along the horizontal direction, the arrangement direction of the elastic piece 40 is the same as that of the rack 30, and the elastic piece 40 is used for resetting the position of the rack 30; the elastic member 40 includes a sleeve 41 and a spring 42 disposed inside the sleeve 41. One end of the sleeve 41 is correspondingly connected and fixed with the mounting frame 20, the other end of the sleeve 41 is connected and fixed with the window, and the sleeve 41 is of a hollow round tubular structure and extends along the direction of the mounting frame 20; the spring 42 is disposed in the sleeve 41 in a spiral shape along the horizontal direction, and the direction in which the spring 42 is disposed is the same as the direction in which the sleeve 41 is disposed. Further, one end of the rack 30 close to the elastic member 40 is provided with a top rod 45; the push rod 45 is a straight rod and is arranged along the horizontal direction, the push rod 45 extends from the end of the rack 30 to the spring 42, one end of the push rod 45 close to the spring 42 is correspondingly inserted into the sleeve 41 and is correspondingly abutted against one end of the spring 42, so as to ensure that the rack 30 can correspondingly make the spring 42 generate elastic deformation. Furthermore, an adjusting bolt 46 is disposed at an end of the spring 42 opposite to the top rod 45, the setting direction of the adjusting bolt 46 is the same as the setting direction of the spring 42, the position of the adjusting bolt 46 inserted into the sleeve 41 can be adjusted correspondingly by rotating the adjusting bolt 46, the adjusting bolt 46 abuts against the end of the spring 42 to adjust the length of the spring 42, and thus the deformation degree of the spring 42 can be adjusted correspondingly by adjusting the adjusting bolt 46, so as to adjust the torque required to be applied to open and close the window.

In some embodiments, the swivel arm 51 includes an engagement block 55 and a connecting rod 56; the engaging block 55 is a straight plate and extends horizontally, the engaging block 55 is correspondingly disposed on one side of the cover block 25, one end of the engaging block 55 close to the main body assembly 10 is disposed in a saw-toothed structure, and the engaging block 55 penetrates through the cover block 25 to engage with the rack 30, so that the rotation of the engaging block 55 correspondingly drives the rack 30 to move in the mounting rack 20. It is understood that the engaging block 55 is correspondingly pivoted on the mounting frame 20, and the engaging block 55 rotates relative to the mounting frame 20; in another embodiment, the engaging block 55 is pivoted to the window, so that the engaging block 55 can rotate relative to the rack 30 to drive the rack 30 to move. The connecting rod 56 is a straight plate and is arranged along the horizontal direction, the connecting rod 56 is correspondingly arranged at one end of the meshing block 55, which is back to the rack 30, the arrangement direction of the connecting rod 56 is the same as that of the meshing block 55, the meshing block 55 and the connecting rod 56 are relatively fixed, and the rotation of the meshing block 55 correspondingly drives the rotation of the connecting rod 56.

Further, the telescopic arm 52 is provided in a straight plate shape in the horizontal direction, the telescopic arm 52 is provided in parallel with the rotating arm 51, the telescopic arm 52 is slidably provided on the connecting rod 56 of the rotating arm 51, the direction in which the telescopic arm 52 is provided is the same as the direction in which the rotating arm 51 is provided, the telescopic arm 52 is movable in the direction in which the rotating arm 51 is provided, and the opening and closing operation of the window is realized by the relative movement of the telescopic arm 52 and the rotating arm 51. The friction plate 53 is in a circular straight plate shape and is arranged along the horizontal direction, the friction plate 53 is correspondingly arranged at the joint of the sliding pin 54 corresponding to the rotating arm 51 and the telescopic arm 52, and the friction plate 53 is used for fixing the rotating arm 51 and the telescopic arm 52 relatively through friction force, so that the elastic element 40 is prevented from resetting, namely the window is moved to a specified position and stays at the position after being loosened. In some embodiments, the folding assembly 50 further includes a slide pin 54; slide pins 54 are respectively provided on the rotating arm 51 and the telescopic arm 52, the slide pins 54 are correspondingly provided with friction plates 53, and the slide pins 54 are used for mounting the telescopic arm 52 on the rotating arm 51 and guiding the relative movement of the telescopic arm 52 and the rotating arm 51. Furthermore, one end of the rotating arm 51 opposite to the main body assembly 10 is connected with the sliding pin 54, one end of the telescopic arm 52 opposite to the guide rail assembly 60 is connected with the sliding pin 54, and the rotating arm 51 and the telescopic arm 52 are respectively provided with a sliding slot 57; the slide groove 57 is formed in an elongated shape and is provided in the horizontal direction, the installation direction of the slide groove 57 is the same as the installation direction of the telescopic arm 52, the installation direction of the slide groove 57 provided in the telescopic arm 52 is the same as the installation direction of the slide groove 57 provided in the pivot arm 51, the slide pin 54 provided in the pivot arm 51 is slidably provided in the slide groove 57 of the telescopic arm 52 correspondingly, the slide pin 54 provided in the telescopic arm 52 is slidably provided in the slide groove 57 of the pivot arm 51 correspondingly, the slide pin 54 fixed to the pivot arm 51 presses the telescopic arm 52 to one side of the pivot arm 51, and the slide pin 54 fixed to the telescopic arm 52 presses the pivot arm 51 to one side of the telescopic arm 52.

In some embodiments, the guide rail assembly 60 is correspondingly disposed at an end of the telescopic arm 52 facing away from the main body assembly 10, the guide rail assembly 60 is correspondingly disposed on the window frame along the horizontal direction, and the guide rail assembly 60 is correspondingly fixed on the window frame through bolts, so as to further ensure that the fire-proof window sash opening and closing device 100 effectively ensures the protection of the integrity of the window sash when being installed, thereby prolonging the service life; the connecting piece 61 is correspondingly connected with the telescopic arm 52, and the connecting piece 61 is correspondingly arranged on the sliding rail 62 in a sliding way; the slide rail 62 is arranged in a long strip shape extending along the horizontal direction, and the slide rail 62 is fixedly connected with the window frame; the blocking piece 63 is in a straight plate shape and is arranged on the sliding rail 62 along the vertical direction, and the blocking piece 63 correspondingly abuts against one side of the connecting piece 61 so as to ensure that the connecting piece 61 is limited; the melting piece 64 is fixedly connected with the slide rail 62 at a corresponding end, and fixedly connected with the blocking piece 63 at the other end, and the melting piece 64 is used for fixing the blocking piece 63 on the slide rail 62. Further, the melting element 64 is a fusible alloy element, and the high temperature state is not less than sixty-four degrees, when the temperature reaches sixty-four degrees, the melting element 64 will melt within five minutes, and when the temperature reaches seventy-four degrees, the melting element 64 will melt within one minute.

The working principle of the fire-proof window sash opening and closing device 100 in the embodiment is as follows: under normal conditions, when the window is rotated, the main body assembly 10 is correspondingly driven to rotate, the main body assembly 10 correspondingly rotates to enable the meshing block 55 to rotate, and because the meshing block 55 is meshed with the rack 30, the meshing block 55 correspondingly rotates to enable the rack 30 to move, and the spring 42 generates elastic deformation; meanwhile, the rotation of the window can drive the rotating arm 51 and the telescopic arm 52 to move relatively, and the rotating arm 51 and the telescopic arm 52 can correspondingly meet the rotation requirement of the window through the sliding pin 54 moving in the sliding groove 57; because be provided with friction disc 53 and so rotate the window to the assigned position after, stop to apply the moment of torsion to the window, the window can stay in the assigned position, needs manual operation just can adjust the turned angle of window. When a fire disaster occurs, the temperature rises to melt the melting piece 64, the blocking piece 63 does not support the connecting piece 61, so that one end of the telescopic arm 52 close to the sliding rail 62 can move along the direction of the sliding rail 62, and further the telescopic arm 52 can correspondingly move towards the direction of the sliding rail 62, so that the telescopic arm 52 and the rotating arm 51 do not move relatively, the change of the distance and the angle between the main body assembly 10 and the guide rail assembly 60 can also be realized, and further the window is closed, pressure can be applied to the rack 30 in the process that the spring 42 recovers elastic deformation, and further power is provided for the closing of the window through the rotating arm 51 meshed with the rack 30, at the moment, the telescopic arm 52 correspondingly moves towards the direction of the sliding rail 62, the automatic closing of the window and the window frame is realized, and the.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A fire resistant sash opening and closing device comprising:

the main body assembly comprises a mounting frame, a rack arranged in the mounting frame in a sliding mode and an elastic piece abutted against the rack;

the folding assembly comprises a rotating arm meshed with the rack, a telescopic arm connected with the rotating arm and a friction plate arranged between the telescopic arm and the rotating arm; the telescopic arm is arranged on the rotating arm in a sliding mode, and the friction plate is used for keeping the moving position of the telescopic arm fixed; and

the guide rail assembly comprises a connecting piece connected with the telescopic arm, a sliding rail connected with the connecting piece, a blocking piece embedded on the sliding rail and a melting piece respectively connected with the sliding rail and the blocking piece; the separation blade with the connecting piece butt, the melting piece is used for fixing the separation blade on the slide rail, the melting piece melts under high temperature state.

2. The fire resistant sash opening and closing device of claim 1, wherein the melting member is a fusible alloy member and the high temperature state is no less than sixty-four degrees celsius.

3. The fire resistant sash opening and closing device of claim 1, wherein the pivot arm comprises an engagement block and a connecting rod; the engaging block is engaged with the rack, and the telescopic arm is slidably arranged on the connecting rod.

4. The fire resistant sash opening and closing device of claim 3, wherein the folding assembly further comprises a sliding pin; the sliding pins are respectively and correspondingly arranged on the rotating arm and the telescopic arm, and the sliding pins correspondingly penetrate through the friction plates.

5. The device according to claim 4, characterized in that the pivoted arm and the telescopic arm are provided with sliding grooves respectively; the sliding pin arranged on the rotating arm is correspondingly and slidably arranged in the sliding groove of the telescopic arm, and the sliding pin arranged on the telescopic arm is correspondingly and slidably arranged in the sliding groove of the rotating arm.

6. The fire resistant sash opening and closing device of claim 3, wherein the mounting bracket comprises a base and a cover block; the rack is arranged between the base and the cover block, the meshing block is arranged on one side of the cover block, and the meshing block penetrates through the cover block to be meshed with the rack.

7. The fire resistant sash opening and closing device of claim 1, wherein the resilient member is disposed in the same direction as the rack.

8. The fire resistant sash opening and closing device of claim 1, wherein the resilient member comprises a sleeve and a spring disposed within the sleeve; the end part of the sleeve is correspondingly connected and fixed with the mounting frame.

9. The fire resistant sash opening and closing device of claim 8, wherein a push rod is provided at one end of the rack adjacent to the elastic member; one end of the ejector rod is correspondingly inserted into the sleeve and is abutted against one end of the spring.

10. The fire resistant sash opening and closing device of claim 9, wherein an adjusting bolt is disposed at an end of the spring facing away from the carrier rod, the adjusting bolt is disposed in the same direction as the spring, and the adjusting bolt abuts against an end of the spring to adjust a length of the spring.

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