CN213359700U

CN213359700U - Hinge for fire-proof window

Info

Publication number: CN213359700U
Application number: CN202021416367.9U
Authority: CN
Inventors: 卢森
Original assignee: Jiangxi Tianyan Construction Engineering Co ltd
Current assignee: Jiangxi Tianyan Construction Engineering Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-06-04
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to the technical field of fire window accessories, in particular to a hinge for a fire window, which comprises a hinge shaft, wherein the outer sides of the upper end and the lower end of the hinge shaft are respectively sleeved with a first sleeve, the first sleeves are rotationally connected with the hinge shaft, the outer side surfaces of the upper first sleeve and the lower first sleeve are fixedly connected with a sash hinge piece, and the outer side of the middle part of the hinge shaft is sleeved with a second sleeve; the utility model discloses a set up stretching device and fastener, and combine together to use, through screwing up fastening bolt, make movable block and activity groove fixed connection, when the fire window is opened to the hand push, connect the first sleeve on the casement hinge leaf of outside fire window and rotate along the hinge pin, pulling extension spring moves to the outside when first sleeve pivoted, make extension spring be in the state of straining, when the fire window is opened to the hand pine, first sleeve stall, first sleeve disappears to extension spring's pulling force, utilize extension spring's elastic potential energy, return to the normal position by the first sleeve of extension spring pulling, with this mesh that realizes automatic closed window.

Description

Hinge for fire-proof window

Technical Field

The utility model relates to a fire prevention window accessory technical field specifically is a hinge that fire prevention window was used.

Background

A fire window is a window that, in conjunction with a frame, meets the requirements of fire stability and fire integrity over a period of time. When lighting and ventilation are needed on two building outer walls with insufficient fire-proof spacing or between spaces separated by a fire-proof wall, fire-proof windows should be adopted.

The fireproof window and the window frame are generally fixedly connected through the hinge, the hinge on the market does not have the function of automatically closing the window at present, people can open the fireproof window at will, and therefore great potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that above-mentioned background art provided, provide a hinge that fire prevention window was used, can carry out the automatic window that closes to fire prevention window, avoid people to open at will to fire prevention window.

In order to achieve the above object, the utility model provides a following technical scheme: a hinge for a fireproof window comprises a hinge shaft, wherein first sleeves are sleeved on the outer sides of the upper end and the lower end of the hinge shaft, the first sleeves are connected with the hinge shaft in a rotating mode, window sash hinge pieces are fixedly connected to the outer side faces of the upper portion and the lower portion of the first sleeves, a second sleeve is sleeved on the outer side of the middle portion of the hinge shaft, the second sleeve is fixedly connected with the hinge shaft, a window frame hinge piece is fixedly connected to the outer side of the second sleeve, positioning holes are formed in the surfaces of the window frame hinge pieces and the surfaces of the window sash hinge pieces, movable grooves are symmetrically formed in the surfaces of the upper end and the lower end of the hinge shaft, stretching devices are arranged in the upper movable groove and the lower movable groove, fastening devices are arranged on the outer.

Preferably, the stretching device comprises a movable block embedded in the movable groove, an extension spring is fixedly connected to the outer end of the movable block, and one end, which is not connected with the movable block, of the extension spring penetrates through the outer end of the movable groove and is fixedly connected to the inner wall of the first sleeve.

Preferably, the top surface and the bottom surface of the outer end of the movable groove are fixedly connected with limit blocks.

Preferably, the fastening device includes a bolt slot formed on the surface of the hinge shaft, a fastening bolt is arranged in the bolt slot, a first threaded hole is formed in the bottom end of the bolt slot, a second threaded hole is formed in the outer side surface of the movable slot, the second threaded hole corresponds to the first threaded hole, and the bottom end of the fastening bolt is inserted into and in threaded connection with the first threaded hole and the second threaded hole.

Preferably, rectangular grooves are formed in the surfaces of the upper sleeve and the lower sleeve, and the rectangular grooves correspond to the bolt grooves.

Preferably, the upper part and the lower part of the upper sleeve and the lower sleeve are respectively provided with a fixing block, and the fixing blocks are sleeved outside the hinge shafts and fixedly connected with the hinge shafts.

Preferably, the fixing block is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up stretching device and fastener, and combine together to use, through screwing up fastening bolt, make movable block and activity groove fixed connection, when the fire window is opened to the hand push, connect the first sleeve on the casement hinge leaf of outside fire window and rotate along the hinge pin, pulling extension spring moves to the outside when first sleeve pivoted, make extension spring be in the state of straining, when the fire window is opened to the hand pine, first sleeve stall, first sleeve disappears to extension spring's pulling force, utilize extension spring's elastic potential energy, return to the normal position by the first sleeve of extension spring pulling, with this mesh that realizes automatic closed window.

Drawings

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

Fig. 2 is a schematic view of the right-side cross-sectional structure of the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the figure: 1-hinge axis, 2-first sleeve, 3-sash hinge piece, 4-second sleeve, 5-frame hinge piece, 6-positioning hole, 7-movable groove, 8-stretching device, 9-fastening device, 10-movable block, 11-stretching spring, 12-limiting block, 13-bolt groove, 14-fastening bolt, 15-first threaded hole, 16-second threaded hole, 17-rectangular groove, and 18-fixing block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

As shown in figures 1-3; this embodiment provides a hinge that fire prevention window was used, including hinge pin 1, on the hinge pin 1, the outside of lower extreme all overlaps and is equipped with first sleeve 2, first sleeve 2 rotates with hinge pin 1 to be connected, 2 lateral surfaces fixedly connected with casement hinge pieces 3 of first sleeve from top to bottom, 1 middle part outside cover of hinge pin is equipped with second sleeve 4, second sleeve 4 and hinge pin 1 fixed connection, 4 outside fixedly connected with window frame hinge pieces 5 of second sleeve, locating hole 6 has all been seted up on 5 surfaces of window frame hinge pieces and 3 surfaces of casement hinge pieces, movable slot 7 has been seted up to the symmetry of lower extreme surface on the hinge pin 1, all be provided with stretching device 8 in the upper and lower movable slot 7, stretching device 8 outside all is provided with fastener 9, fastener 9 sets up for the longitudinal symmetry.

In this embodiment, the stretching device 8 includes a movable block 10 embedded in the movable slot 7, an extension spring 11 is fixedly connected to an outer side end of the movable block 10, an end of the extension spring 11, which is not connected to the movable block 10, extends through an outer end of the movable slot 7 and is fixedly connected to an inner wall of the first sleeve 2, a stopper 12 is fixedly connected to both a top surface and a bottom surface of the outer end of the movable slot 7, the fastening device 9 includes a bolt slot 13 formed on a surface of the hinge shaft 1, a fastening bolt 14 is disposed in the bolt slot 13, a first threaded hole 15 is formed at a bottom end of the bolt slot 13, a second threaded hole 16 is formed on an outer side surface of the movable slot 7, the second threaded hole 16 corresponds to the first threaded hole 15, a bottom end of the fastening bolt 14 is inserted into and threadedly connected to the first threaded hole 15 and the second threaded hole 16, and the movable block 10 is, when the fire window is opened by hand pushing, the first sleeve 2 connected to the sash hinge piece 3 of the external fire window rotates along the hinge shaft 1, the extension spring 11 moves outwards when the first sleeve 2 rotates, the extension spring 11 is in a tightened state, when the fire window is opened by hand, the first sleeve 2 stops rotating, the tension of the first sleeve 2 on the extension spring 11 disappears, the elastic potential energy of the extension spring 11 is utilized, the first sleeve 2 is pulled by the extension spring 11 to return to the original position, and therefore the purpose of automatically closing the window is achieved.

In this embodiment, the surfaces of the upper and lower first sleeves 2 are provided with rectangular grooves 17, and the rectangular grooves 17 correspond to the bolt grooves 13, so that the worker can conveniently adjust the fastening bolts 14.

In this embodiment, the fixing blocks 18 are disposed above and below the upper and lower first sleeves 2, the fixing blocks 18 are sleeved outside the hinge shaft 1 and fixedly connected with the hinge shaft, and the fixing blocks 18 are arranged to limit the first sleeves 2, so as to prevent the first sleeves 2 from moving up and down.

In this embodiment, the fixing block 18 is made of rubber, and when the first sleeve 2 rotates and rubs against the fixing block 18, the rubber can reduce the abrasion of the fixing block 18 on the first sleeve 2.

The working principle is as follows: when the novel window closing device is used, the fastening bolt 14 is screwed down, the movable block 10 is fixedly connected with the movable groove 7, when the fireproof window is pushed by hand, the first sleeve 2 on the sash hinge piece 3 connected with the external fireproof window rotates along the hinge shaft 1, the first sleeve 2 rotates and pulls the extension spring 11 to move outwards at the same time, the extension spring 11 is in a tight state, when the fireproof window is loosened by hand, the first sleeve 2 stops rotating, the pulling force of the first sleeve 2 on the extension spring 11 disappears, the first sleeve 2 is pulled by the extension spring 11 to return to the original position by utilizing the elastic potential energy of the extension spring 11, so that the purpose of automatically closing the window is realized, the fastening bolt 14 is loosened to separate the fastening bolt 14 from the second threaded hole 16, the fixing on the movable block 10 is released, when the fireproof window is pushed by hand, the first sleeve 2 on the sash hinge piece 3 connected with the external fireproof window rotates along the hinge shaft 1, first sleeve 2 pivoted pulling extension spring 11 and movable block 10 outwards move together to guarantee that extension spring 11 is in the lax state, with this can freely open the fire window, through setting up stopper 12, can avoid movable block 10 to pull out from activity inslot 7.

The above is only the preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the effect of the present invention and the utility of the patent.

Claims

1. A hinge for a fireproof window comprises a hinge shaft (1) and is characterized in that first sleeves (2) are sleeved on the outer sides of the upper end and the lower end of the hinge shaft (1), the first sleeves (2) are rotatably connected with the hinge shaft (1), window sash hinge pieces (3) are fixedly connected to the outer side of the upper first sleeve (2) and the lower first sleeve (2), a second sleeve (4) is sleeved on the outer side of the middle of the hinge shaft (1), the second sleeve (4) is fixedly connected with the hinge shaft (1), window frame hinge pieces (5) are fixedly connected to the outer side of the second sleeve (4), positioning holes (6) are formed in the surfaces of the window frame hinge pieces (5) and the surfaces of the window sash hinge pieces (3), movable grooves (7) are symmetrically formed in the surfaces of the upper end and the lower end of the hinge shaft (1), stretching devices (8) are arranged in the upper movable grooves and the lower, and fastening devices (9) are arranged on the outer sides of the stretching devices (8), and the fastening devices (9) are arranged in an up-and-down symmetrical mode.

2. A hinge for a fire protection window according to claim 1, wherein: stretching device (8) include movable block (10) that the embedding set up in activity groove (7), movable block (10) outside end fixedly connected with extension spring (11), extension spring (11) do not with the one end that movable block (10) are connected runs through activity groove (7) outer end and fixed connection in on first sleeve (2) inner wall.

3. A hinge for a fire protection window according to claim 1 or 2, wherein: the top surface and the bottom surface of the outer end of the movable groove (7) are fixedly connected with limit blocks (12).

4. A hinge for a fire protection window according to claim 1, wherein: the fastening device (9) comprises a bolt groove (13) formed in the surface of the hinge shaft (1), a fastening bolt (14) is arranged in the bolt groove (13), a first threaded hole (15) is formed in the bottom end of the bolt groove (13), a second threaded hole (16) is formed in the outer side surface of the movable groove (7), the second threaded hole (16) corresponds to the first threaded hole (15), and the bottom end of the fastening bolt (14) is inserted into the first threaded hole (15) and the second threaded hole (16) and is in threaded connection with the first threaded hole (15) and the second threaded hole (16).

5. A hinge for a fire protection window according to claim 4, wherein: rectangular grooves (17) are formed in the surfaces of the upper sleeve and the lower sleeve (2), and the rectangular grooves (17) correspond to the bolt grooves (13).

6. A hinge for a fire protection window according to claim 1, wherein: the upper part and the lower part of the upper sleeve and the lower sleeve (2) are respectively provided with a fixed block (18), and the fixed blocks (18) are sleeved on the outer side of the hinge shaft (1) and fixedly connected with the hinge shaft.

7. A hinge for a fire protection window according to claim 6, wherein: the fixed block (18) is made of rubber.