CN111485806A - Hidden fire window - Google Patents

Referring to fig. 1 and 2, the hidden fire window disclosed by the invention comprises a

1, an

2 and a door closer, wherein the

2 rotates around a

5 to open and close, when a fire disaster occurs, the

2 of the fire window realizes the automatic closing of the

2 through the door closer, the door closer comprises a driving

3 and a driven

4, and in order to ensure the normal opening and closing of the fire window, the driving

3 and the driven

4 of the fire window are respectively connected to the upper end and the lower end of the fire window, so that the fire window can stably rotate.

Be equipped with

11 on the

1, be equipped with

2 on the

2,

1 is the bridge cut-off aluminium alloy with

2, be equipped with the enhancement recess that increases section bar intensity on the bridge cut-off aluminium alloy, this enhancement recess is all used to

11 and

21, and form the cavity between

21 and

11 when closing the window, the door closer sets up in the cavity, can not protrusion in the surface of fire window, make the whole aesthetic property of fire window better, and also need not additionally widen the groove area, can not reduce the fire behavior of fire window.

Referring to fig. 3 and 4, the

3 includes a

33 connected in the

11, a

31 rotatably connected to the

33, a

35 connected in the

33 and driving the

31 to rotate, and a cross

34 connected to one end of the

31 far away from the

35, wherein a limiting slide groove 32 matched with the cross

34 is provided on the

2 of the fire protection window, and the cross

34 is slidably connected in the limiting slide groove 32. When a fire occurs, the

35 drives the

31 to rotate, and the

31 drives the cross

34 to slide in the limit sliding groove 32 due to the fact that the cross

34 is connected to the

2 in a sliding mode, so that the

2 is driven to close.

Referring to fig. 3 and 5, since the door closer is integrally arranged in the cavity formed by the reinforcing groove of the profile itself, the size of the door closer needs to be flat enough to fit in the reinforcing groove. Therefore, a rotation hole is opened in the

33 of the

3, a

36 engaged with the rotation hole is provided on the

31, the

31 rotates around the rotation hole as an axis through the

36, and an arc plate is coaxially connected to one end of the

36 penetrating into the

33. The arc plate, the

36, the swing

31 three are connected as an organic whole, do not take place relative motion each other, when the arc plate rotates, swing

31 together rotates, and the whole thickness of

3 is casing 33 thickness, swing

31 thickness and the thickness of

34 this moment, and these three all are not the driving piece, only need satisfy open and close the intensity demand of

2 can, can realize setting up the thickness demand in strengthening the recess.

The rotating teeth are evenly arranged on the peripheral wall of the arc plate, the driving sliding groove is further formed in the

33, a

37 meshed with the rotating teeth is connected in the driving sliding groove in a sliding mode, an output shaft of the

35 penetrates into the driving sliding groove and works along the driving sliding groove, a limiting

38 for preventing the output shaft of the

35 from being in contact with the

37 is arranged in the driving sliding groove, the output shaft of the

35 abuts against one side of the limiting

38, and the

37 is connected to the other side of the limiting

38 along the driving. Since the

37 and the rotating teeth are both arranged in the

33, the thickness is not additionally increased, the

35 is purchased from the market, the driving part of the

35 is thicker, when in use, an opening can be arranged on one side of the

33, the driving part of the

35 can partially penetrate out of the

33, the penetrating driving part is projected in the thickness of the

31, and the thickness of the

31 and the driving part share one part of the thickness, so that at the moment, the whole thickness of the door closer is still the thickness of the

33, the thickness of the

31 and the thickness of the cross

34.

When the driving part of the

35 purchased in the market is thicker and heavier, openings can be arranged on both sides of the

33, the thickness of the driving part exceeding the

33 is uniformly compensated by both sides of the

33, so that the area of the cavity surrounded by the

21 and the

11 is fully utilized, and the structure of the bridge-cut aluminum profile is not damaged.

3 is still including supporting

39 that spacing

38 supported

35 output shaft tightly, fuse 39 fixed connection is in

33, set up the opening that is convenient for

39 contact flame, temperature on casing 33, when the conflagration breaks out, fuse 39 melts, spacing

38 loses the support, can no longer carry on spacingly to

35 output shaft, the output shaft of

35 pops out along drive spout extending direction this moment, promote

37 along the motion of drive spout, because

37 meshes with the rotation tooth of circular arc end this moment, thereby promote swing

31 to rotate, reach the purpose of closing

2.

Referring to fig. 6 and 7, the driven

4 includes a

41 connected to the

1, and a

42 connected to the

2, and the

42 rotates with respect to the

41 when the

2 rotates with respect to the frame. The window

41 is rotatably connected with the window

42 through a rotating assembly, wherein a first sliding

422 is formed in the window

42, the first sliding

422 extends along the length direction of the window

42, and a first sliding

421 is slidably connected in the first sliding

422; the window

41 is provided with a second sliding

412, the second sliding

412 is arranged along the extending direction of the window

41, and a second sliding

413 is slidably connected in the second sliding

412. The

421 and the

413 are used in cooperation with the rotating assembly.

Referring to fig. 8, the rotating assembly includes a first

411 rotatably connected to the window

41, a

43 having one end rotatably connected to the first

411 and the other end rotatably connected to the

421, and a

44 having one end rotatably connected to the

43 and the other end rotatably connected to the

413. When the fire window is closed, the window

41, the window

42, the first connecting

43 and the second connecting

44 are projected on the same horizontal line, and at the moment, the window

41, the first connecting

43, the second connecting

44 and the window

42 are sequentially arranged from top to bottom; when the window sash is opened, the window sash drives the window

42 to rotate together, and the

43 is unfolded under the sliding adjustment of the

421, and the

44 is unfolded under the sliding adjustment of the

413. Because the fire window usually has a thicker fire-proof medium interlayer, under the simultaneous movement of the first connecting

43 and the second connecting

44, the

2 moves along with the window

42 along the direction away from the

1 to a certain extent, so that the

2 can be slightly away from the

1, and even if the fire window is thicker, a larger angle can be unfolded to meet the use requirements of users. Meanwhile, the first connecting

43 and the second connecting

44 are simultaneously connected, so that the connection strength of the window

41 and the window

42 can be ensured, and the driven

4 cannot be easily damaged even if a fire disaster happens.

Referring to fig. 6 and 8, the second sliding

412 is provided with an auxiliary sliding

414 abutting against the second connecting

44, the

414 is integrally connected with the second sliding

413 through a connecting

415, and when the second sliding

413 slides along the second sliding

412, the

414 abuts against and rubs against the second connecting

44. The connecting

415 is made of a metal sheet with certain elasticity, so that the

414 can be close to or far away from the second connecting

44, the abutting force between the auxiliary sliding

414 and the second connecting

44 is adjusted, the effect of adjusting the friction force between the auxiliary sliding

414 and the second connecting

44 is achieved, the second connecting

44 can be more difficult to slide relative to the window

41 through adjusting the friction force by the

414, and the

2 can be stopped immediately in the opening and closing process.

The

414 and the connecting piece are abutted against two sides of the window

41 through the

416, the connecting

415 is provided with a threaded hole, the

414 is provided with a through hole, and a screw rod part of the

416 sequentially penetrates through the through hole and the second sliding

412 and is in threaded fit with the threaded hole, so that abutting of the auxiliary sliding

414, the window

41 and the connecting

415 is realized. Meanwhile, the

414 is made of metal material, so as to avoid being easily melted and lost in fire. .

The connecting

415 and the

414 are clamped to the

41 by bolts, and the

414 is tightly attached to the second connecting

44 due to the action of the connecting

415, and the

414 has a pressing action on the end of the second connecting

44, so that the

2 can be stopped immediately in the opening and closing process;

referring to fig. 9, the inner wall of the first sliding

422 is provided with a limiting

423, the limiting

423 is close to the

5, the first sliding

421 slides to the end close to the

5 through the limiting

423 from the end far from the

5, the limiting

423 is made of elastic metal, a clamping effect is provided for the first sliding

421, and the limiting

423 is pressed towards the inner wall of the first sliding

422 every time the first sliding

421 slides to the limiting

423. The

423 is close to the

5, when the

2 is opened, the first sliding

421 slides from the end far from the

5 to the end close to the

5 through the

423, and the first sliding

421 is clamped between the

423 and the end of the first sliding

422, so that the position of the

2 is locked and cannot swing freely in an opened state.

The implementation principle of the embodiment is as follows: when a fire disaster happens, the

39 is fused, the limiting

38 loses support, the output shaft of the

35 can not be limited any more, at the moment, the output shaft of the

35 pops out along the extension direction of the driving sliding groove, the

37 is pushed to move along the driving sliding groove, and at the moment, the

37 is meshed with the rotating teeth at the arc end, so that the swinging

31 is pushed to rotate; the first connecting

43 and the second connecting

44 at the bottom of the

2 are contracted, the first sliding

421 slides to the other end of the first sliding

422 from between the limiting

423 and the end of the first sliding

422, meanwhile, the second sliding

413 slides to one end of the second sliding

412 far away from the

5, and the

414 abuts on the end of the second connecting

44, so when the first sliding

421 and the

414 reach the end of the sliding groove at the same time, the

2 of the fire window is closed.

Example two: referring to fig. 3, the difference from the first embodiment is that the

33 and the

35 are both connected to the

21, a limiting sliding groove 32 engaged with the

34 is provided on the

1 of the protection window, and the

34 is slidably connected in the limiting sliding groove 32.

1. A hidden fireproof window comprises a window frame (1), an openable window sash (2) and a door closer for controlling the window sash (2) to be automatically closed when a fire disaster occurs, and is characterized in that the door closer comprises a driving door closer (3) and a driven door closer (4), a window shaft (5) is arranged on the driven door closer (4), the window sash (2) rotates around the window shaft (5) to be opened and closed, a window sash groove (21) is formed in the outer wall of the window sash (2), a window frame groove (11) is formed in the inner wall of the window frame (1), a cavity is formed by the window sash groove (21) and the window frame groove (11) in a surrounding mode when the window is closed, and the door closer is hidden in the cavity; initiative door closer (3) include casing (33), rotate and connect in swing horizontal pole (31) of casing (33), connect in casing (33) and drive swing horizontal pole (31) pivoted hydraulic press (35), connect horizontal pole slider (34) of keeping away from hydraulic press (35) one end in swing horizontal pole (31), be equipped with on the fire prevention window with horizontal pole slider (34) complex spacing spout (32), horizontal pole slider (34) sliding connection is in spacing spout (32).

2. A concealed fire window according to claim 1, wherein: the window frame (1) and the window sashes (2) are made of bridge-cut aluminum profiles, reinforcing grooves for increasing the strength of the profiles are arranged on the bridge-cut aluminum profiles, and the window frame grooves (11) and the window sash grooves (21) are parts of the reinforcing grooves.

3. A concealed fire window according to claim 1, wherein: a shell (33) of the active door closer (3) is connected in the window frame groove (11) through a bolt, the limiting sliding groove (32) is formed in the window sash (2), and the cross bar sliding block (34) is connected to the window sash (2) in a sliding mode along the limiting sliding groove (32).

4. A concealed fire window according to claim 1, wherein: a shell (33) of the active door closer (3) is connected in the window sash groove (21) through a bolt, the limiting sliding groove (32) is formed in the window frame (1), and the cross rod sliding block (34) is connected to the window frame (1) in a sliding mode along the limiting sliding groove (32).

5. A concealed fire window according to claim 1, wherein: a rotating through hole is formed in a shell (33) of the driving door closer (3), a rotating shaft (36) matched with the rotating hole is connected to the swinging cross rod (31), the swinging cross rod (31) rotates by taking the rotating hole as an axis through the rotating shaft (36), one end, penetrating into the shell (33), of the rotating shaft (36) is coaxially connected with an arc plate, and rotating teeth are uniformly arranged on the outer peripheral wall of the arc plate; a driving sliding groove is further formed in the shell (33), a rack (37) meshed with the rotating teeth is connected in the driving sliding groove in a sliding mode, an output shaft of the hydraulic press (35) penetrates through the driving sliding groove and works along the driving sliding groove, a limiting clamping block (38) for preventing the output shaft of the hydraulic press (35) from being in contact with the rack (37) is arranged in the driving sliding groove, the output shaft of the hydraulic press (35) abuts against one side of the limiting clamping block (38), and the rack (37) is connected to the other side of the limiting clamping block (38) in a sliding mode along the driving sliding groove; the active door closer (3) further comprises a fuse (39) which supports a limiting clamping block (38) to tightly press against an output shaft of the hydraulic press (35).

6. A concealed fire window according to claim 1, wherein: the driven door closer (4) comprises a window frame (1) fixing frame connected to the window frame (1) and a window sash (2) connecting piece connected to the window sash (2), the window frame (1) fixing frame is rotationally connected with the window sash (2) connecting piece through a rotating assembly, a first sliding groove (422) is formed in the window sash (2) connecting piece, the first sliding groove (422) extends along the length direction of the window sash (2) connecting piece, a first sliding block (421) is connected in the first sliding groove (422) in a sliding mode, a second sliding groove (412) is formed in the window frame (1) fixing frame, the second sliding groove (412) is arranged along the extending direction of the window frame (1) fixing frame, and a second sliding block (413) is connected in the second sliding groove (412) in a; the rotating assembly comprises a first rotating shaft (411) rotatably connected to a fixed frame of the window frame (1), a first connecting rod (43) with one end rotatably connected to the first rotating shaft (411) and the other end rotatably connected to the first sliding block (421), a second rotating shaft (431) connected to the first connecting rod (43), a second connecting rod (44) with one end rotatably connected to the first connecting rod (43) and the other end rotatably connected to the second sliding block (413), and the first connecting rod (43) and the second connecting rod (44) are rotatably connected through the second rotating shaft (431).

7. A concealed fire window according to claim 6, wherein: and an auxiliary sliding block (414) which is abutted against the second connecting rod (44) is arranged on the second sliding groove (412), the auxiliary sliding block (414) is connected with the second sliding block (413) through a connecting sheet (415), and the auxiliary sliding block (414) and the connecting sheet (415) are respectively arranged on two sides of a fixed frame of the window frame (1) and are connected through a fastening bolt (416).

8. A concealed fire window according to claim 6, wherein: the inner wall of first spout (422) is equipped with spacing arch (423) of spacing first slider (421), spacing arch (423) use elastic material to make and lie in first spout (422) and be close to the one end of window axle (5), first slider (421) from first spout (422) keep away from the one end of window axle (5) through spacing arch (423) slide to the one end that first spout (422) are close to window axle (5), first slider (421) are by the tip inner wall chucking of spacing arch (423) and first spout (422) this moment.