CN215108245U

CN215108245U - Fire prevention window closing device without resistance

Info

Publication number: CN215108245U
Application number: CN202120168015.4U
Authority: CN
Inventors: 石意; 谢晓东
Original assignee: Guangdong Hehe Construction Hardware Manufacturing Co Ltd; Foshan Hehexing Technology Industrial Co Ltd
Current assignee: Guangdong Hehe Construction Hardware Manufacturing Co Ltd; Foshan Hehexing Technology Industrial Co Ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-12-10
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a resistance-free fireproof window closing device, which comprises a hinge and a self-closing device used for driving the hinge to close, wherein the self-closing device comprises a cylinder shell, a traction piece used for pulling the hinge, a reset unit arranged in the cylinder shell and used for driving the traction piece to contract, and a locking part arranged in the cylinder shell and used for locking the traction piece; the locking component comprises a sliding part which is arranged in the cylinder shell and is in sliding fit with the cylinder shell, a positioning clamping hook which is pivoted on the sliding part, a first sliding block which is abutted against the positioning clamping hook, and a fire-proof bead which is pressed against the sliding block, the cylinder shell is provided with a buckling groove which is matched and buckled with the positioning clamping hook, and meanwhile, the positioning clamping hook is pressed by the sliding block and keeps buckled with the buckling groove.

Description

Fire prevention window closing device without resistance

Technical Field

The utility model relates to a building five metals technical field especially relates to a fire prevention that does not have hindrance and closes window device.

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. The windows of a plurality of buildings are provided with common hinges and do not have fireproof automatic window closing functional components; after the existing fireproof automatic window closing part in the market is installed, the window is opened with resistance, and the old and the children need great strength to open the window. The window with the common hinge can not be opened with resistance, and a fireproof window component needs to be additionally arranged, so that a set of fireproof window closing device without resistance is designed, the window closing device can adapt to windows with various common hinges, is free from resistance in conventional window opening, and can automatically close the window in case of fire.

Disclosure of Invention

An object of the utility model is to overcome prior art's is not enough, provides a novel structure is reliable, can realize the fire prevention of the non-resistance of fire prevention self-closing effect and close window device.

In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: a fire-proof window closing device without resistance comprises a hinge and a self-closing device for driving the hinge to close, wherein the self-closing device comprises a cylinder shell, a traction piece for pulling the hinge, a reset unit arranged in the cylinder shell and used for driving the traction piece to contract, and a locking component arranged in the cylinder shell and used for locking the traction piece; the locking component comprises a sliding part which is arranged in the cylinder shell and is in sliding fit with the cylinder shell, a positioning clamping hook which is pivoted on the sliding part, a first sliding block which is abutted against the positioning clamping hook, and a fire-proof bead which is pressed against the sliding block, the cylinder shell is provided with a buckling groove which is matched and buckled with the positioning clamping hook, and meanwhile, the positioning clamping hook is pressed by the sliding block and keeps buckled with the buckling groove.

The utility model has the advantages that: the utility model discloses a self-closing device can drive the hinge closure when meeting fire thereby drive the casement and close the effect that realizes the fire prevention self-closing. Specifically, the positioning clamping hook of the sliding piece is matched and buckled with the buckling groove of the cylinder shell in a normal state, the position of the sliding piece in the cylinder is fixed, so that the sliding piece can lock the traction piece, and the self-closing device cannot drive the hinge to close. When meeting fire, the fire-proof blasting bead is influenced by high temperature to burst, the first sliding block loses the jacking action of the fire-proof blasting bead, the abutting action of the first sliding block on the positioning clamping hook disappears simultaneously, the positioning clamping hook can swing and be buckled with the buckling groove at the moment, the sliding part can freely slide in the cylinder shell, and the traction part can pull the hinge to drive the hinge to be closed under the action of the resetting unit, so that the fire-proof self-closing effect is realized.

Preferably, the self-closing device further comprises a second sliding block and a sliding rail which is matched with the sliding block in a sliding mode and extends along the drawing direction of the traction piece, the sliding rail is fixedly connected with the cylinder shell, and two ends of the second sliding block are connected with the hinge and the traction piece at the same time. The sliding rail and the second sliding block are matched with each other to guide the traction piece to pull the hinge.

Preferably, the hinge comprises a first fixed seat, a second fixed seat, a first connecting rod, a second connecting rod and a hinge pull rod connected with the self-closing device, wherein the first fixed seat is provided with a first guide groove, the second fixed seat is provided with a second guide groove, one end of the first connecting rod is pivoted with the first fixed seat, a pivot between the first fixed seat and the first fixed seat is in sliding fit with the first guide groove, and the other end of the first connecting rod is pivoted with the second fixed seat; one end of the second connecting rod is pivoted with the middle part of the first connecting rod, the other end of the second connecting rod and one end of the hinge pull rod are pivoted with the second fixed seat, and the pivot of the second connecting rod and one end of the hinge pull rod are in sliding fit with the second guide groove. When the hinge pull rod is pulled by a traction piece of the self-closing device, the hinge pull rod can drive the first fixing seat and the second fixing seat, and the first connecting rod and the second connecting rod simultaneously act to drive the hinge to close.

Preferably, the hinge pull rod is provided with a third guide groove, the self-closing device is pivoted with the hinge pull rod, and the pivot of the self-closing device is in sliding fit with the third guide groove.

Preferably, the sliding part is further in threaded connection with an adjusting screw for pressing the fire-proof blasting bead. The jacking pressure of the fire-proof blasting bead on the first sliding block can be adjusted by utilizing the adjusting screw.

Drawings

Fig. 1 is a schematic view of the folded three-dimensional structure of the hinge of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the hinge of the present invention after unfolding.

Fig. 3 is an exploded view of the self-closing device of the present invention.

Fig. 4 is an exploded view of the hinge of the present invention.

Fig. 5 is a side sectional view of the self-closing apparatus of the present invention.

Fig. 6 is a top cross-sectional view of the locking member of the present invention.

Fig. 7 is a top cross-sectional view of the locking member of the present invention after a fire-resistant bead has exploded.

The self-closing device 1, 11-the cartridge case 11, 111-the catching groove 111, 12-the traction piece 12, 13-the reset unit 13, 14-the locking part 14, 141-the sliding piece 141, 142-the positioning hook 142, 143-the first sliding block 143, 144-the fire-proof bead 144, 145-the adjusting screw 145, 15-the second sliding block 15, 16-the sliding rail 16, 2-the hinge 2, 21-the first fixing seat 21, 211-the first guide groove 211, 22-the second fixing seat 22, 221-the second guide groove 221, 23-the first connecting rod 23, 24-the second connecting rod 24, 25-the hinge pull rod 25, 251-the third guide groove 251.

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 7, the non-resistance fire-proof window closing device in the present embodiment includes a hinge 2 and a self-closing device 1 for driving the hinge 2 to close.

In this embodiment, the self-closing apparatus 1 includes a cylinder housing 11, a pulling member 12 for pulling the hinge 2, a reset unit 13 disposed in the cylinder housing 11 for driving the pulling member 12 to contract, a locking member 14 disposed in the cylinder housing 11 for locking the pulling member 12, a second slider 15, and a slide rail 16 slidably engaged with the slider and extending along the drafting direction of the pulling member 12. The return unit 13 is a return spring in this embodiment. The slide rail 16 is fixedly connected with the cylinder shell 11, and two ends of the second slide block 15 are connected with the hinge 2 and the traction piece 12 at the same time. The locking component 14 includes a sliding member 141 disposed in the cylinder housing 11 and slidably engaged with the cylinder housing 11, a positioning hook 142 pivotally connected to the sliding member 141, a first sliding block 143 abutting against the positioning hook 142, and a fire-proof bead 144 pressing against the sliding block, wherein the cylinder housing 11 is provided with a fastening groove 111 engaged with the positioning hook 142, and the positioning hook 142 is pressed by the sliding block to be fastened with the fastening groove 111. In this embodiment, the sliding member 141 is further connected with an adjusting screw 145 for pressing the fire-proof bead 144, and the pressing force of the fire-proof bead 144 on the first sliding block 143 can be adjusted by the adjusting screw 145.

The hinge 2 comprises a first fixed seat 21, a second fixed seat 22, a first connecting rod 23, a second connecting rod 24 and a hinge pull rod 25 connected with the self-closing device 1, wherein the first fixed seat 21 and the second fixed seat 22 are respectively connected with a window frame or a window sash. The first fixing seat 21 is provided with a first guide groove 211, the second fixing seat 22 is provided with a second guide groove 221, and the hinge pull rod 25 is provided with a third guide groove 251.

One end of the first link 23 is pivoted with the first fixed seat 21, a pivot between the first link and the first fixed seat is in sliding fit with the first guide groove 211, and the other end of the first link 23 is pivoted with the second fixed seat 22; one end of the second link 24 is pivotally connected to the middle of the first link 23, and the other end of the second link 24 and one end of the hinge rod 25 are pivotally connected to the second fixing seat 22 and the pivot thereof is in sliding fit with the second guide slot 221. The second slider 15 of the self-closing device 1 is pivoted to the hinge rod 25, and its pivot is slidably engaged with the third guide groove 251.

The working principle in this embodiment is as follows: in a normal state, the positioning hook 142 of the sliding element 141 is engaged with the groove 111 of the housing 11, and at this time, the position of the sliding element 141 in the housing 11 is fixed, so that the sliding element 141 can lock the pulling element 12, and at this time, the self-closing device 1 cannot drive the hinge 2 to close.

When fire occurs, the fire-proof blasting bead 144 is burst under the influence of high temperature, after the first sliding block 143 loses the jacking action of the fire-proof blasting bead 144, the interference action of the first sliding block 143 on the positioning hook 142 disappears at the same time, at this time, the positioning hook 142 can swing to trip the slot 111, so that the sliding part 141 can freely slide in the cylinder shell 11, the traction part 12 can pull the hinge pull rod 25 through the second sliding block 15 under the action of the reset unit 13, the hinge pull rod 25 can drive the first fixing seat 21 and the second fixing seat 22, and the first connecting rod 23 and the second connecting rod 24 simultaneously move to drive the hinge 2 to close.

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 content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims

1. The utility model provides a fire prevention of no resistance sense closes window device which characterized in that: the self-closing device comprises a hinge (2) and a self-closing device (1) for driving the hinge (2) to close, wherein the self-closing device (1) comprises a cylinder shell (11), a traction piece (12) for pulling the hinge (2), a reset unit (13) which is arranged in the cylinder shell (11) and used for driving the traction piece (12) to contract, and a locking component (14) which is arranged in the cylinder shell (11) and used for locking the traction piece (12); the locking component (14) comprises a sliding part (141) which is arranged in the cylinder shell (11) and is in sliding fit with the cylinder shell (11), a positioning clamping hook (142) which is pivoted on the sliding part (141), a first sliding block (143) which is abutted against the positioning clamping hook (142), and a fire-proof bead (144) which is pressed against the sliding block, wherein the cylinder shell (11) is provided with a buckling groove (111) which is matched and buckled with the positioning clamping hook (142), and meanwhile, the positioning clamping hook (142) is pressed by the sliding block to be buckled with the buckling groove (111).

2. A fire resistant, unobstructed closing window arrangement as claimed in claim 1, wherein: the self-closing device (1) further comprises a second sliding block (15) and a sliding rail (16) which is in sliding fit with the sliding block and extends along the drawing direction of the traction piece (12), the sliding rail (16) is fixedly connected with the cylinder shell (11), and two ends of the second sliding block (15) are connected with the hinge (2) and the traction piece (12) simultaneously.

3. A fire resistant, unobstructed closing window arrangement as claimed in claim 1, wherein: the hinge (2) comprises a first fixing seat (21) and a second fixing seat (22) which are respectively connected with a window frame or a window sash, a first connecting rod (23), a second connecting rod (24) and a hinge pull rod (25) connected with the self-closing device (1), the first fixing seat (21) is provided with a first guide groove (211), the second fixing seat (22) is provided with a second guide groove (221), one end of the first connecting rod (23) is pivoted with the first fixing seat (21), a pivot between the first fixing seat and the second fixing seat is in sliding fit with the first guide groove (211), and the other end of the first connecting rod (23) is pivoted with the second fixing seat (22); one end of the second connecting rod (24) is pivoted with the middle part of the first connecting rod (23), the other end of the second connecting rod (24) and one end of the hinge pull rod (25) are pivoted with the second fixed seat (22), and the pivot of the second connecting rod and the pivot of the hinge pull rod are in sliding fit with the second guide groove (221).

4. A non-stick fire resistant window closure as claimed in claim 3, wherein: the hinge pull rod (25) is provided with a third guide groove (251), the self-closing device (1) is pivoted with the hinge pull rod (25), and the pivot of the self-closing device is in sliding fit with the third guide groove (251).

5. A fire resistant, unobstructed closing window arrangement as claimed in claim 1, wherein: the sliding piece (141) is also in threaded connection with an adjusting screw (145) which is used for jacking the fireproof blasting bead (144).