CN217812984U

CN217812984U - Temperature sensing window closing structure for fireproof door and window hinge

Info

Publication number: CN217812984U
Application number: CN202220125378.4U
Authority: CN
Inventors: 谢晓东; 石意; 朱业明; 谢晓楠
Original assignee: Foshan Hepu Metal Technology Co ltd; Guangdong Hehe Construction Hardware Manufacturing Co Ltd; Foshan Hehexing Technology Industrial Co Ltd
Current assignee: Foshan Hepu Metal Technology Co ltd; Guangdong Hehe Construction Hardware Manufacturing Co Ltd; Foshan Hehexing Technology Industrial Co Ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-11-15
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a temperature sensing window closing structure for a fireproof door and window hinge, a hinge and a window closing component, wherein the window closing component is connected with the hinge and used for driving the hinge to open and close, the window closing component comprises a pipe sleeve, and a pressure spring, a slide block, a temperature sensing clamping block, a screw rod nut and a screw rod are sequentially arranged in the pipe sleeve from top to bottom; the pressure spring is used for driving the sliding block to downwards press, the temperature sensing clamping block is fixedly connected with the pipe sleeve, the fixed connection between the temperature sensing clamping block and the pipe sleeve is released after the temperature sensing clamping block meets fire, the screw rod nut is in threaded connection with the screw rod, meanwhile, the screw rod nut is in rotation stopping fit with the pipe sleeve, and the lower end of the screw rod is connected with the hinge.

Description

Temperature sensing window closing structure for fireproof door and window hinge

Technical Field

The utility model relates to a building five metals technical field especially relates to a temperature sensing closes window structure for preventing fire door window hinge.

Background

For building door and window, when the conflagration takes place, fire prevention window plays important effect, causes great loss when preventing the conflagration to take place, can slow down the intensity of a fire and spread, including naked light, high temperature, dense smoke, still can strive for the time for the fire rescue. Many building fire window's temperature sensing closes window structure is installed alone and is not used with the direct cooperation of bearing part hinge: even the existing integrated hinge with the reset power on the market is unstable, the internal reset power adopts a multi-turn torsion spring, and the multi-turn torsion spring is extremely easy to fatigue in use, so that the function failure is caused; some hinges are powered all the time when in normal use, and can be opened only by large force when opening windows.

Disclosure of Invention

An object of the utility model is to overcome prior art's not enough, provide a novel structure is reliable, can realize letting out the fire from the temperature sensing of closing the window structure that is used for preventing fire door hinge of function.

In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: a temperature-sensing window closing structure for a hinge of a fireproof door and window comprises a hinge and a window closing assembly, wherein the window closing assembly is connected with the hinge and used for driving the hinge to open and close; the pressure spring is used for driving the sliding block to downwards press, the temperature-sensitive clamping block is fixedly connected with the pipe sleeve after encountering fire, the temperature-sensitive clamping block is released from the fixed connection with the pipe sleeve, the lead screw nut is in threaded connection with the lead screw, the lead screw nut is in rotation-stopping fit with the pipe sleeve, and the lower end of the lead screw is connected with the hinge.

The utility model has the advantages that: the utility model discloses a temperature sensing closes window structure can be arranged in the door and window of putting a fire. When a fire occurs, the temperature sensing clamping block can be fixedly connected with the pipe sleeve, the sliding block can push the temperature sensing clamping block to extrude the screw rod nut under the driving of the pressure spring, and the screw rod can rotate and drive the hinge to close when the screw rod nut is extruded to move downwards due to the threaded connection between the screw rod nut and the screw rod, so that the self-closing function of fire release is realized.

Preferably, the temperature sensing clamping block comprises a sliding seat, a clamping block hinged on the sliding seat and a temperature sensing unit abutted against the clamping block; the sliding seat is in sliding fit with the pipe sleeve, a buckling groove matched with the clamping block is formed in the pipe sleeve, and a discharge hole for discharging the temperature sensing unit is formed in the side part of the sliding seat; and when the temperature sensing unit is broken in case of fire, the clamping block and the buckling groove are loosened. The temperature-sensing clamping block is fastened with the fastening groove on the pipe sleeve under normal conditions, so that the temperature-sensing clamping block is fixedly connected with the pipe sleeve. When a fire occurs, the temperature sensing units are broken and discharged from the discharge holes, the clamping blocks can be loosened by the buckling grooves due to the fact that the temperature sensing units are supported by the temperature sensing units in a butting mode, and at the moment, the fixed connection between the temperature sensing clamping blocks and the pipe sleeve is eliminated.

Preferably, the temperature sensing clamping block further comprises a first cushion block arranged between the temperature sensing unit and the clamping block, and a second cushion block is arranged at the other end of the temperature sensing unit. The temperature sensing unit can be protected by the first cushion block and the second cushion block, and the temperature sensing unit is prevented from being damaged by pressure.

Preferably, the sliding seat of the temperature-sensitive clamping block is further in threaded connection with a first adjusting screw, and the first adjusting screw abuts against the second cushion block. The first adjusting screw is screwed to drive the abutting and pressing temperature sensing unit, so that the pressure of the second cushion block on the temperature sensing unit is adjusted.

Preferably, a pipe sleeve mounting seat is further arranged at the upper end of the temperature sensing clamping block, and a second adjusting screw which abuts against the pressure spring is in threaded connection with the pipe sleeve mounting seat. The second adjusting screw can adjust the pressure of the pressure spring on the sliding block.

Preferably, the hinge comprises a frame connecting piece, a sash connecting piece, a first connecting rod and a second connecting rod, and two ends of the first connecting rod and the second connecting rod are respectively hinged with the frame connecting piece and the sash connecting piece.

Preferably, the window closing assembly is further provided with a set screw for fixedly connecting the slider and the pipe sleeve.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a side sectional view of the present invention.

Fig. 3 is an exploded view of the window closing assembly of the present invention.

Fig. 4 is an exploded view of the temperature-sensitive clamping block of the present invention.

Fig. 5 is a side sectional view of the temperature-sensitive clamping block of the present invention.

The window closing device comprises a hinge 1, a frame 11, a sash 12, a sash 13, a first connecting rod, a second connecting rod 14, a window closing component 2, a pipe sleeve 21, a fastening groove 211, a pressure spring 22, a sliding block 23, a temperature-sensing clamping block 24, a sliding seat 241, a discharge hole 2411, a clamping block 242, a temperature-sensing unit 243, a first cushion block 244, a second cushion block 245, a first adjusting screw 246, a screw rod nut 25, a screw rod 26, a pipe sleeve mounting seat 27, a second adjusting screw 28 and a positioning screw 29.

Detailed Description

The claimed technical solution of the present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 5, the temperature-sensitive window closing structure in the present embodiment includes a hinge 1 and a window closing assembly 2.

In this embodiment, the hinge 1 includes a frame connecting member 11, a leaf connecting member 12, a first connecting rod 13 and a second connecting rod 14, and two ends of the first connecting rod 13 and the second connecting rod 14 are respectively hinged to the frame connecting member 11 and the leaf connecting member 12.

In this embodiment, the window closing assembly 2 includes a pipe sleeve 21, and a pipe sleeve mounting seat 27, a pressure spring 22, a slider 23, a temperature sensing fixture block 24, a lead screw nut 25, a lead screw 26, and a positioning screw 29 are sequentially disposed in the pipe sleeve 21 from top to bottom. The pressure spring 22 is used for driving the sliding block 23 to press downwards, a second adjusting screw 28 which props against the pressure spring 22 is connected to the pipe sleeve mounting seat 27 in a threaded mode, and the pressure of the pressure spring 22 on the sliding block 23 can be adjusted through the second adjusting screw 28. The positioning screw 29 can fixedly connect the sliding block 23 and the pipe sleeve 21, and the sliding block 23 can be positioned by the positioning screw 29 in the non-use state such as transportation and storage, so that the sliding block 23 and the temperature sensing clamping block 24 are protected; the fixing connection between the sliding block 23 and the pipe sleeve 21 can be released by unscrewing the positioning screw 29 when in use.

The temperature-sensing fixture block 24 is fixedly connected with the pipe sleeve 21, and the fixed connection between the temperature-sensing fixture block 24 and the pipe sleeve 21 is released after a fire occurs, specifically, in the present embodiment, the temperature-sensing fixture block 24 includes a sliding seat 241, a fixture block 242 hinged to the sliding seat 241, a temperature-sensing unit 243 abutting against the fixture block 242, and a first cushion block 244 disposed between the temperature-sensing unit 243 and the fixture block 242, meanwhile, a second cushion block 245 is disposed at the other end of the temperature-sensing unit 243, a first adjusting screw 246 is further screwed to the sliding seat 241 of the temperature-sensing fixture block 24, and the first adjusting screw 246 abuts against the second cushion block 245. The pressing force of the second cushion block 245 on the temperature sensing unit 243 can be adjusted by screwing the first adjusting screw 246 to press the temperature sensing unit 243. The sliding base 241 is in sliding fit with the pipe sleeve 21, meanwhile, the pipe sleeve 21 is provided with a buckling groove 211 matched with the clamping block 242, and the side of the sliding base 241 is provided with a discharge hole 2411 for discharging the temperature sensing unit 243; when the temperature sensing unit 243 is broken by fire, the latch 242 is released from the latching groove 211.

The screw rod nut 25 is in threaded connection with the screw rod 26, meanwhile, the screw rod nut 25 is in rotation stopping fit with the pipe sleeve 21, and the lower end of the screw rod 26 is connected with the hinge 1.

The operation of the temperature sensitive closed window structure in this embodiment is as follows:

in a normal state, the temperature-sensing unit 243 of the temperature-sensing latch 24 supports and abuts against the latch 242, so that the latch 242 is kept fastened with the fastening groove 211 on the socket 21, and thus the temperature-sensing latch 24 is fixedly connected with the socket 21. When the temperature-sensing clamping block 24 is fixedly connected with the pipe sleeve 21, the temperature-sensing clamping block 24 limits the sliding block 23, so that the sliding block 23 cannot extrude and push the screw rod nut 25.

When fire occurs, since the temperature sensing unit 243 is broken and discharged from the discharge hole 2411, the latch 242 is released from the latching groove 211 due to the interference support of the temperature sensing unit 243, and at this time, the fixed connection between the temperature sensing latch 24 and the socket 21 is eliminated. The slide block 23 can push the temperature sensing clamping block 24 to extrude the screw rod nut 25 under the driving of the pressure spring 22, and the screw rod nut 25 is in threaded connection with the screw rod 26, so that the screw rod 26 can rotate and drive the hinge 1 to close when the screw rod nut 25 is extruded to move downwards, and the self-closing function of fire release is realized.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the equivalent changes made by the idea of the present invention are all covered in the protection scope of the present invention.

Claims

1. The utility model provides a temperature sensing closes window structure for preventing fire door window hinge which characterized in that: the window closing assembly comprises a hinge (1) and a window closing assembly (2), wherein the window closing assembly (2) is connected with the hinge (1) and used for driving the hinge (1) to open and close, the window closing assembly (2) comprises a pipe sleeve (21), and a pressure spring (22), a sliding block (23), a temperature sensing clamping block (24), a lead screw nut (25) and a lead screw (26) are sequentially arranged in the pipe sleeve (21) from top to bottom; the pressure spring (22) is used for driving the sliding block (23) to be pressed downwards, the temperature-sensitive clamping block (24) is fixedly connected with the pipe sleeve (21) after encountering fire, the fixed connection between the temperature-sensitive clamping block and the pipe sleeve (21) is released, the lead screw nut (25) is in threaded connection with the lead screw (26), the lead screw nut (25) is in rotation-stopping fit with the pipe sleeve (21), and the lower end of the lead screw (26) is connected with the hinge (1).

2. The temperature sensitive closing window structure for a fire door and window hinge of claim 1, wherein: the temperature sensing clamping block (24) comprises a sliding seat (241), a clamping block (242) hinged on the sliding seat (241) and a temperature sensing unit (243) abutted against the clamping block (242); the sliding seat (241) is in sliding fit with the pipe sleeve (21), meanwhile, a buckling groove (211) matched with the clamping block (242) is formed in the pipe sleeve (21), and a discharge hole (2411) for discharging the temperature sensing unit (243) is formed in the side portion of the sliding seat (241); when the temperature sensing unit (243) is broken by fire, the clamping block (242) is loosened from the buckling groove (211).

3. The temperature-sensitive closing window structure for a fire door and window hinge according to claim 2, wherein: the temperature-sensing clamping block (24) further comprises a first cushion block (244) arranged between the temperature-sensing unit (243) and the clamping block (242), and a second cushion block (245) is arranged at the other end of the temperature-sensing unit (243).

4. A temperature sensitive closing window structure for a fire door and window hinge according to claim 3, wherein: the sliding seat (241) of the temperature-sensitive clamping block (24) is further in threaded connection with a first adjusting screw (246), and the first adjusting screw (246) is abutted to a second cushion block (245).

5. The temperature-sensitive closing window structure for a fire door and window hinge according to claim 2, wherein: the upper end of the temperature sensing clamping block (24) is further provided with a pipe sleeve mounting seat (27), and a second adjusting screw (28) which is abutted against the pressure spring (22) is in threaded connection with the pipe sleeve mounting seat (27).

6. The temperature-sensitive closing window structure for a fire door and window hinge according to claim 1, wherein: hinge (1) is including frame connecting piece (11), fan connecting piece (12), first connecting rod (13) and second connecting rod (14), the both ends of first connecting rod (13) and second connecting rod (14) are articulated with frame connecting piece (11) and fan connecting piece (12) respectively.

7. A temperature sensitive closing window structure for fire door and window hinges according to claim 2, wherein: the window closing assembly (2) is further provided with a positioning screw (29) for fixedly connecting the sliding block (23) and the pipe sleeve (21).