CN107882455B

CN107882455B - Hinged fireproof window

Info

Publication number: CN107882455B
Application number: CN201711241721.1A
Authority: CN
Inventors: 李�杰; 谢斌泉; 请求不公布姓名
Original assignee: Hunan Goldwell New Materials Technology Co Ltd
Current assignee: Hunan Goldwell New Materials Technology Co Ltd
Priority date: 2017-11-30
Filing date: 2017-11-30
Publication date: 2023-05-02
Anticipated expiration: 2037-11-30
Also published as: CN107882455A

Abstract

The hinged fireproof window includes window frame and window sash hinged to the window frame, at least one automatic window closing device comprising one first seat fixed to the window frame and one second seat fixed to the window sash, one elastic window closing assembly to force the window sash to close and one hovering locating assembly to prevent the window sash in the set open position from closing, and one positioning mechanism capable of preventing the window sash from closing and allowing the window sash to close. The hinged fireproof window has the advantages of simple and compact structure, low cost, easy installation and maintenance, good appearance and the like.

Description

Hinged fireproof window

Technical Field

The invention relates to the technical field of doors and windows, in particular to a hinged fireproof window.

Background

The fire-proof window requires that the window sash is automatically closed within 1 minute after the temperature rises to 74+/-5 ℃ after fire, and the prior art generally adds an automatic window closing device for automatically closing the window at the set temperature between the window frame and the window sash. The automatic window closing device in the current market generally adopts the combination of a window closing device and a fireproof temperature control supporting rod or a temperature sensing window closing device, and has the defects of high price, poor appearance and inconvenient installation.

Disclosure of Invention

The invention aims to solve the technical problems of overcoming the defects existing in the prior art and providing the hinged fireproof window which is simple and compact in structure, low in cost, easy to install and maintain and good in appearance.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a hinge fire prevention window, includes window frame and hinges the casement of installing on the window frame and can open or close around the articulated axis, be equipped with at least one automatic window closing device between window frame and the casement, automatic window closing device includes the first pedestal of being rigid coupling with the window frame and the second pedestal of being rigid coupling with the casement, first pedestal and second pedestal are articulated, be equipped with the elastic window closing subassembly that forces the casement to close and prevent the positioning subassembly that hovers that the casement in the setting opened position closed between first pedestal and the second pedestal, hover positioning subassembly includes the positioning mechanism that can prevent the casement to close and allow the casement to close two kinds of state conversion, positioning mechanism is connected with the elastic mechanism that makes positioning mechanism prevent the casement to close, drives the automatic temperature sense actuating mechanism that the positioning mechanism to allow the casement to close state after reaching the settlement temperature and is used for driving positioning mechanism to switch to the conventional window closing mechanism that closes the casement state.

The hinge fireproof window comprises a first lock tongue and a first positioning rod, wherein the first positioning rod is arranged on a second seat body, the first lock tongue is arranged on the first seat body in a sliding mode and can slide forward to a position blocking the first positioning rod or slide reversely to a position allowing the first positioning rod to pass through, the elastic mechanism is connected with the first lock tongue and provides an elastic force for forcing the first lock tongue to slide forward, and the first lock tongue is provided with a first matching curved surface which is matched with the first positioning rod when the window sash is opened to the set opening position to force the first lock tongue to slide reversely for the first positioning rod to pass through.

Preferably, the hinge fire window comprises a lock pin and a press rod, wherein the first lock tongue is provided with a first lock hole, the lock pin is slidably arranged on the second seat body, the lock pin is connected with an elastic component which forces the lock pin to be inserted into the first lock hole to prevent the first lock tongue from sliding when the first lock tongue reversely slides to a set position, the press rod is arranged on the second seat body and forces the lock pin to reversely slide to the set position when the window sash is further opened from the set opening position, and the maximum distance that the first lock tongue is forced to reversely slide by the cooperation of the first positioning rod and the first matching curved surface is smaller than the distance that the first lock tongue reversely slides to the set position; the conventional window closing mechanism further includes a reset member driven by the plunger to withdraw the locking pin from the first locking hole when the window sash is closed.

The hinged fireproof window is characterized in that the elastic component comprises a swinging rod connected with the lock pin, the swinging rod is hinged on the second seat body and can be inserted into or withdrawn from the first lock hole through swinging with the lock pin, the swinging rod is connected with a spring for forcing the swinging rod to swing in the direction of enabling the lock pin to be inserted into the first lock hole, the reset component comprises a trigger part arranged on the swinging rod, and the trigger part is positioned at a position capable of being pushed by the pressure rod to force the swinging rod to swing with the lock pin to withdraw from the first lock hole when the window sash is closed.

The hinge type fireproof window comprises a first seat body, a first positioning rod and a first spring, wherein the first seat body is connected with the first spring, the first positioning rod is connected with the first seat body, and the first spring is connected with the first seat body.

The automatic temperature-sensing driving mechanism comprises a pull rod, a second elastic piece and a second temperature sensor, wherein the second temperature sensor is damaged after the set temperature is reached, the pull rod is provided with a draw hook portion, the pull rod is slidably arranged on the window frame or the first seat body and can enable the draw hook portion to be far away from the first lock tongue or pull the first lock tongue to slide reversely through sliding, the second elastic piece is arranged between the window frame and the pull rod and provides an elastic force for forcing the pull rod to slide in a direction for pulling the first lock tongue to slide reversely, the second temperature sensor is arranged on the window frame, and the second temperature sensor is connected with the pull rod and blocks the pull rod from being far away from the first lock tongue.

The hinge fireproof window comprises a first seat body, a first positioning rod and a second positioning rod, wherein the first seat body is provided with a first matching curved surface, the first positioning rod is connected with the first seat body, the first positioning rod is connected with the second seat body, the first seat body is provided with a first matching curved surface, the first matching curved surface is connected with the first seat body, the first matching curved surface is provided with a second matching curved surface, the second matching curved surface is connected with the first matching curved surface, the second matching curved surface is connected with the second matching curved surface, the first matching curved surface is connected with the second matching curved surface, the second matching curved surface is connected with the first matching curved surface, and the second matching curved surface is connected with the second matching curved surface.

In the hinged fire window, preferably, the conventional window closing mechanism includes a first push rod, where the first push rod is slidably disposed on the window frame or the first seat body and can push the second lock tongue to reversely slide to a position where the second positioning rod exits the positioning slot through sliding.

The automatic temperature-sensing driving mechanism comprises a second push rod, a third elastic piece and a third temperature sensor which is damaged after reaching the set temperature, wherein the second push rod is arranged on the window frame or the first seat body in a sliding mode and can be far away from the second lock tongue through sliding or push the second lock tongue to reversely slide to a position enabling the second positioning rod to exit from the positioning groove, the third temperature sensor is arranged on the window frame, the third elastic piece is connected between the window frame and the third temperature sensor, and the third elastic piece drives the second push rod to push the second lock tongue to reversely slide to a position enabling the second positioning rod to exit from the positioning groove after being damaged by the third temperature sensor.

The hinged fireproof window is characterized in that the positioning mechanism comprises a sliding groove arranged on the first base body and a swinging rod hinged on the second base body, the swinging rod is provided with a sliding rod part sliding along the sliding groove along with the opening and closing movement of the window sash, the sliding groove is provided with a bayonet used for enabling the sliding rod part to be clamped in to prevent the window sash from opening and closing when the window sash is in the set opening position, and the elastic mechanism is connected with the swinging rod and provides an elastic force for forcing the swinging rod to swing in the direction of enabling the sliding rod part to be clamped in the bayonet.

Preferably, the hinged fireproof window comprises a third push rod, wherein the third push rod is slidably arranged on the window frame or the first seat body and can push the sliding rod part to exit the bayonet through sliding.

Preferably, the third push rod is further connected with a return spring for forcing the third push rod to slide away from the swinging rod.

The hinge fireproof window described above, preferably, the automatic temperature-sensing driving mechanism includes a fourth push rod, a fourth elastic member, and a fourth temperature sensor that breaks after reaching the set temperature, where the fourth push rod is slidably disposed on the window frame or the first seat and can be far away from the sliding rod portion by sliding or push the sliding rod portion to exit the bayonet, the fourth elastic member is mounted between the window frame and the fourth push rod and provides an elastic force that forces the fourth push rod to slide in a direction of pushing the sliding rod portion to exit the bayonet, and the fourth temperature sensor is mounted on the window frame and blocks the fourth push rod at a position far away from the sliding rod portion.

The hinged fireproof window preferably comprises a third lock tongue and a first positioning part, wherein the first positioning part is fixedly arranged on the first seat body and is provided with a limiting part, the third lock tongue is slidably arranged on the second seat body or the window sash and can slide to a position blocked by the limiting part in the forward direction or slide to a position passing through the limiting part in the reverse direction, the elastic mechanism and the third lock tongue provide elastic force for forcing the third lock tongue to slide forward, and the limiting part is provided with a third matching curved surface for forcing the third lock tongue to slide reversely when the window sash is opened to a set opening position so that the third lock tongue passes through the limiting part.

In the hinged fire window, preferably, the conventional window closing mechanism includes a spring steel ball, the first base is provided with a second lock hole, the spring steel ball is mounted on the third lock tongue and is blocked into the second lock hole to prevent the third lock tongue from sliding when the third lock tongue reversely slides to a set retraction position, the first positioning component is provided with a first pressing part for forcing the third lock tongue to reversely slide to the set retraction position when the window sash is further opened from the set opening position, and the maximum distance of the third matching curved surface for forcing the third lock tongue to reversely slide is smaller than the distance of the third lock tongue reversely slide to the set retraction position; the conventional window closing mechanism also includes a reset member that urges the spring steel ball out of the second locking aperture when the sash is closed.

In the hinged fireproof window, preferably, the reset component is a push rod fixedly arranged on the window sash.

According to the hinged fireproof window, preferably, the automatic temperature-sensing driving mechanism comprises the fifth push rod, the fifth elastic piece and the fifth temperature sensor damaged after the set temperature is reached, the fifth push rod is slidably arranged on the window frame or the first seat body and can be far away from the third lock tongue through sliding or push the third lock tongue to retract, the fifth temperature sensor is connected with the fifth push rod and stops the fifth push rod at a position far away from the third lock tongue, and the fifth elastic piece is connected with the fifth push rod and provides an elastic force for forcing the fifth push rod to slide in a direction for pushing the third lock tongue to slide reversely.

The automatic temperature-sensing driving mechanism comprises a sixth push rod, a sixth elastic piece and a sixth temperature sensor, wherein the sixth temperature sensor is damaged after the preset temperature is reached, the sixth push rod is slidably arranged on the first seat body and can be far away from the third lock tongue through sliding or push the third lock tongue to retract into the first seat body, the sixth temperature sensor is arranged on the first seat body, the sixth elastic piece is connected between the sixth temperature sensor and the first seat body, and the sixth elastic piece drives the sixth push rod to push the third lock tongue to reversely slide to the position of the accessible limiting part after the sixth temperature sensor is damaged.

The above-mentioned articulated fire window, preferably, the spacing portion is articulated to be installed on first location part and can swing around the articulated shaft to the position that blocks the third spring bolt or allow the position that the third spring bolt passed through, conventional window closing mechanism includes spacing portion and manual actuating mechanism, be connected with between spacing portion and the first location part and force spacing portion to the position wobbling spring that blocks the third spring bolt, manual actuating mechanism includes pivot and cam, the pivot is articulated to be installed on the window frame, the cam is connected in the pivot and can rotate along with the pivot and drive spacing portion swing to the position that allows the third spring bolt to pass through, the pivot is connected with the handle that is used for driving pivot pivoted.

In the above hinged fire window, preferably, the automatic temperature-sensing driving mechanism includes a seventh push rod, a seventh elastic member, and a seventh temperature sensor damaged after reaching the set temperature, where the seventh push rod is slidably disposed on the window frame or the first seat and can slide forward away from the handle or slide backward to push the handle to drive the rotation shaft to rotate so that the cam drives the limiting part to swing to a position allowing the third lock tongue to pass, the seventh temperature sensor is connected with the seventh elastic member and blocks the seventh push rod at a position away from the handle, and the seventh elastic member is connected with the seventh push rod and provides an elastic force forcing the seventh push rod to slide backward.

In the hinged fire window, preferably, the elastic window closing component is a torsion spring connected between the first seat body and the second seat body.

In the hinged fireproof window, preferably, the first seat body and the second seat body are matched to form a box body structure with an inner cavity, and at least the positioning mechanism is located in the inner cavity of the box body structure.

Preferably, the window sash is hinged to the window frame 1 by the automatic window closing device.

Compared with the prior art, the invention has the advantages that: in the automatic window closing device of the hinged fireproof window, the first seat body and the second seat body are fixedly connected to the window frame and the window sashes respectively, and the functions of conventional opening and closing, hovering opening and automatic closing after reaching the set temperature of the window sashes can be realized through the elastic window closing assembly, the positioning mechanism, the elastic mechanism, the automatic temperature sensing driving mechanism and the conventional window closing mechanism which are arranged between the first seat body and the second seat body.

Drawings

Fig. 1 is a schematic view of a partial front view of a hinged fire window in embodiment 1.

Fig. 2 is a schematic view showing a partial structure of a window sash in a hovering state in embodiment 1.

Fig. 3 is a schematic partial structure of the first locking bolt in the embodiment 1 when the pressing rod forces the first locking bolt to slide reversely.

Fig. 4 is a schematic view showing a partial structure of the pressing lever in embodiment 1 when the pressing lever is ready to push the trigger portion.

Fig. 5 is a schematic diagram of a partial structure of the automatic temperature-sensing driving mechanism in embodiment 1 after triggering.

Fig. 6 is a schematic view showing a partial structure of a window sash in a closed state in embodiment 1.

Fig. 7 is a schematic view showing a partial structure of a window sash in a hovering state in embodiment 2.

Fig. 8 is a schematic diagram of a partial structure of the automatic temperature-sensing driving mechanism in embodiment 2 after triggering.

Fig. 9 is a schematic view showing a partial structure of a window sash in a closed state in embodiment 3.

Fig. 10 is a schematic view showing a partial structure of a window sash in a hovering state in embodiment 3.

Fig. 11 is a schematic partial structure of the first push rod in embodiment 3 when pushing the second lock tongue to slide reversely.

Fig. 12 is a schematic partial structure of the spring mechanism in embodiment 3 when the second bolt is forced to slide forward.

Fig. 13 is a schematic view showing a partial structure of the automatic temperature-sensing driving mechanism according to embodiment 3 after triggering.

Fig. 14 is a schematic view showing a first perspective view of the hinged fire window in embodiment 4.

Fig. 15 is a schematic view of a second perspective view of the hinged fire window in embodiment 4.

Fig. 16 is a schematic view showing a partial structure of a window sash in a closed state in embodiment 4.

Fig. 17 is an enlarged schematic view of the structure of fig. 16 at a.

Fig. 18 is a schematic view showing a partial structure of a window sash in a hovering state in embodiment 4.

Fig. 19 is an enlarged schematic view of the structure at B in fig. 18.

Fig. 20 is a schematic structural view of a conventional window closing mechanism and an automatic temperature-sensitive driving mechanism in embodiment 4.

Fig. 21 is an enlarged schematic view of the structure at C in fig. 20.

Fig. 22 is a schematic view showing a first perspective structure of the hinged fire window in embodiment 5.

Fig. 23 is a schematic view showing a second perspective structure of the hinged fire window in embodiment 5.

Fig. 24 is a schematic view showing a partial structure of a window sash in a hovering state in embodiment 5.

Fig. 25 is an enlarged schematic view of the structure at D in fig. 24.

Fig. 26 is a schematic view showing a partial structure when a window sash is closed by a conventional window closing mechanism in embodiment 5.

Fig. 27 is an enlarged schematic view of fig. 26 at E.

Fig. 28 is a schematic view showing a first perspective structure of the hinged fire window in embodiment 6.

Fig. 29 is a schematic view showing a partial structure of a window sash in a hovering state in embodiment 6.

Fig. 30 is an enlarged schematic view of the structure at F in fig. 29.

Fig. 31 is a schematic view showing a partial structure when a window sash is closed by a conventional window closing mechanism in embodiment 6.

Fig. 32 is an enlarged schematic view of the structure of fig. 31 at G.

Fig. 33 is a schematic view showing a partial structure of a window sash in a hovering state in embodiment 7.

Fig. 34 is an enlarged view of fig. 33 at H.

Fig. 35 is a schematic view showing a partial structure of a window sash in a closed state in embodiment 7.

Fig. 36 is an enlarged schematic view of the structure at I in fig. 35.

Fig. 37 is a schematic view showing a partial perspective view of a conventional window closing mechanism and an automatic temperature-sensitive drive mechanism in example 7.

Fig. 38 is a schematic view showing a partial structure of the cam and the stopper in embodiment 7.

Fig. 39 is a schematic diagram showing a partial structure of the cam driving limiting portion swinging in embodiment 7.

Legend description:

1. a window frame; 2. window sashes; 3. a first base; 4. a second seat body; 5. an elastic window closing assembly; 6. a hover positioning assembly; 61. a first tongue; 6101. a first mating curved surface; 6102. a first lock hole; 62. a first positioning rod; 63. a locking pin; 64. a compression bar; 65. swing rod; 651. a trigger part; 66. a first elastic member; 67. a first temperature sensor; 68. a pull rod; 681. a drag hook part; 69. a second elastic member; 610. a second temperature sensor; 611. a second lock tongue; 6111. a positioning groove; 6112. a second mating curved surface; 612. a second positioning rod; 613. a first push rod; 614. a second push rod; 615. a third elastic member; 616. a third temperature sensor; 617. a chute; 6171. a bayonet; 618. a swinging rod; 6181. a slide bar portion; 619. a third push rod; 620. a fourth push rod; 621. a fourth elastic member; 622. a fourth temperature sensor; 623. a third bolt; 624. a first positioning member; 6241. a limit part; 6242. a third mating curved surface; 6243. a first pressing part; 625. spring steel balls; 626. a second lock hole; 627. a push rod; 628. a fifth push rod; 629. a fifth elastic member; 630. a fifth temperature sensor; 631. a sixth push rod; 632. a sixth elastic member; 633. a sixth temperature sensor; 634. a rotating shaft; 635. a cam; 636. a handle; 637. a seventh pushrod; 638. a seventh elastic member; 639. a seventh temperature sensor; 7. and an elastic mechanism.

Detailed Description

The invention is described in further detail below with reference to the drawings and the specific examples.

Example 1:

as shown in fig. 1 to 6, the hinged fire window of the present embodiment comprises a window frame 1 and a window sash 2 hinged on the window frame 1 and capable of being opened or closed around a hinge axis, at least one automatic window closing device is arranged between the window frame 1 and the window sash 2, the automatic window closing device comprises a first seat body 3 fixedly connected with the window frame 1 and a second seat body 4 fixedly connected with the window sash 2, the first seat body 3 and the second seat body 4 are hinged, the hinge axis of the first seat body 3 and the second seat body 4 coincides with the hinge axis of the window frame 1 and the window sash 2, an elastic window closing component 5 for forcing the window sash 2 to be closed and a hovering positioning component 6 for preventing the window sash 2 in a set opening position from being closed are arranged between the first seat body 3 and the second seat body 4, the hovering positioning component 6 comprises a positioning mechanism capable of being switched between the two states of preventing the window sash 2 from being closed and allowing the window sash 2 to be closed, the positioning mechanism is connected with an elastic mechanism 7 for preventing the positioning mechanism from being closed, an automatic temperature sensing driving mechanism for driving the positioning mechanism to be switched to a state allowing the window sash 2 to be closed after the set temperature is reached, and a conventional window closing mechanism for driving the positioning mechanism to be switched to be allowed to be switched to a state. In the automatic window closing device of the hinged fireproof window, the first seat body 3 and the second seat body 4 are fixedly connected to the window frame 1 and the window sash 2 respectively, and the functions of conventional opening and closing, hovering opening and automatic closing after reaching a set temperature of the window sash 2 can be realized through the elastic window closing assembly 5, the positioning mechanism, the elastic mechanism 7, the automatic temperature sensing driving mechanism and the conventional window closing mechanism which are arranged between the first seat body 3 and the second seat body 4.

In this embodiment, the positioning mechanism includes a first lock tongue 61 and a first positioning rod 62, the first positioning rod 62 is mounted on the second seat 4, the first lock tongue 61 is slidably disposed on the first seat 3, the first lock tongue 61 can slide forward to a position blocking the first positioning rod 62 or slide backward to a position allowing the first positioning rod 62 to pass through, wherein the first lock tongue 61 can slide back and forth only, two sliding directions of the first lock tongue 61 sliding back and forth are forward and backward respectively, the elastic mechanism 7 is connected with the first lock tongue 61 and provides an elastic force forcing the first lock tongue 61 to slide forward, the elastic mechanism 7 forces the first lock tongue 61 to slide to a position blocking the first positioning rod 62 under the action of the first lock tongue 61 without being subjected to external force, the elastic mechanism 7 adopts a telescopic spring connected between the first lock tongue 61 and the first seat 3, and the first lock tongue 61 has a first fitting curved surface 6101 which cooperates with the first positioning rod 62 to force the first lock tongue 61 to slide backward for the first positioning rod 62 to pass through when the window sash 2 is opened to a set opening position. When the window sash 2 is opened from the closed state to the set open position, the second seat body 4 rotates along with the window sash 2, the first positioning rod 62 also rotates along with the second seat body 4, the first positioning rod 62 contacts and cooperates with the first cooperation curved surface 6101 to force the first lock tongue 61 to slide reversely, so that the first positioning rod 62 passes through the first lock tongue 61, after the first positioning rod 62 passes through the first lock tongue 61, the first lock tongue 61 slides to a position blocking the first positioning rod 62 under the action of the elastic mechanism 7, at this time, the first lock tongue 61 returns to the position blocking the first positioning rod 62 again, thereby preventing the window sash 2 from being closed (see fig. 2), and the window sash 2 can be hovered in the set open position under the cooperation of the elastic window closing assembly 5 and the first lock tongue 61. The positioning mechanism has the advantages of simple and compact structure, low cost, stable and reliable operation, easy manufacture, and convenient installation and maintenance.

In this embodiment, the conventional window closing mechanism includes a lock pin 63 and a pressure lever 64, the first lock tongue 61 is provided with a first lock hole 6102, the lock pin 63 is slidingly disposed on the second base 4, and the lock pin 63 is connected with an elastic member which forces the lock pin 63 to be inserted into the first lock hole 6102 to prevent the first lock tongue 61 from sliding when the first lock tongue 61 is reversely slid to the set position, the pressure lever 64 is mounted on the second base 4 and forces the lock pin 63 to reversely slide to the set position when the window sash 2 is further opened from the set open position, and the maximum distance of the first positioning lever 62 which cooperates with the first mating curved surface 6101 to force the first lock tongue 61 to reversely slide is smaller than the distance of the first lock tongue 61 to reversely slide to the set position; the conventional window closing mechanism further includes a reset member that is driven by the lever 64 to withdraw the lock pin 63 from the first lock hole 6102 when the window sash 2 is closed. When the window sash 2 is further opened from the set open position, the plunger 64 forces the lock pin 63 to slide reversely to the set position (see fig. 3), and the elastic member forces the lock pin 63 to be inserted into the first lock hole 6102 to lock the first lock bolt 61. Since the maximum distance that the first positioning rod 62 cooperates with the first mating curved surface 6101 to force the first lock tongue 61 to slide reversely is smaller than the distance that the first lock tongue 61 slides reversely to the set position, the first positioning rod 62 does not cause the first lock tongue 61 to lock through the first lock tongue 61, and the first positioning rod 62 must be allowed to pass when the first lock tongue 61 is locked to the set position, and at this time, the window sash 2 can be closed under the action of the elastic window closing assembly 5. The reset part is driven by the pressure lever 64 to enable the lock pin 63 to withdraw from the first lock hole 6102 when the window sash 2 is closed, and the first lock tongue 61 slides forward to a position blocking the first positioning rod 62 under the action of the elastic mechanism 7, so that the window sash 2 can be ensured to be opened and closed in a reciprocating manner and hover after each opening. The conventional window closing mechanism has the advantages of simple and compact structure, low cost, stable and reliable operation, easy manufacture, and convenient installation and maintenance.

In this embodiment, the elastic member includes a swing link 65 connected to the lock pin 63, the swing link 65 is hinged to the second base 4 and can be inserted into or withdrawn from the first lock hole 6102 by swinging the lock pin 63, the swing link 65 is connected to a spring that forces the swing link 65 to swing in a direction in which the lock pin 63 is inserted into the first lock hole 6102, when the first lock tongue 61 slides reversely to the set position, the lock pin 63 can be inserted into the first lock hole 6102, the spring preferably employs a torsion spring, the reset member includes a trigger portion 651 provided on the swing link 65, the trigger portion 651 is located at a position that can be pushed by the push lever 64 to force the swing link 65 to swing out of the first lock hole 6102 with the lock pin 63 when the window sash 2 is closed, and when the window sash 2 is closed, the push lever 64 pushes the trigger portion 651 to force the swing link 65 to swing against the force of the spring, the lock pin 63 is withdrawn from the first lock hole 6102 with the lock pin 63 (see fig. 4), thereby releasing the locking effect on the first lock tongue 61 and causing the first lock tongue 61 to slide forward to a position blocking the first lock lever 62 under the action of the elastic mechanism 7. The reset component has simple and compact structure and low cost.

In this embodiment, the automatic temperature-sensing driving mechanism includes a first elastic member 66 and a first temperature sensor 67 that breaks after reaching a set temperature, the first temperature sensor 67 is mounted on the first seat 3, the first elastic member 66 is connected between the first temperature sensor 67 and the first seat 3, and the first elastic member 66 drives the first lock tongue 61 to reversely slide to a position allowing the first positioning rod 62 to pass through after the first temperature sensor 67 breaks. When the ambient temperature is less than the set temperature, the first temperature sensor 67 remains intact, the first temperature sensor 67 blocks the first elastic element 66 to keep away from the third locking bolt 623, and the first elastic element 66 stores energy, when the ambient temperature reaches the temperature, the first temperature sensor 67 is destroyed, the blocking effect of the first temperature sensor 67 on the first elastic element 66 fails, and the first elastic element 66 drives the third locking bolt 623 to reversely slide to the set retracted position (see fig. 5), so that the automatic window closing is realized. The first temperature sensor 67 employs an existing outsourcing part that breaks after 74 c + 5 c, and the first elastic member 66 preferably employs a telescopic spring. The automatic temperature-sensing driving mechanism has the advantages of simple and compact structure, low cost, stable and reliable operation and convenient installation and maintenance.

In this embodiment, the elastic window closing component 5 is a torsion spring connected between the first seat 3 and the second seat 4, and has a good structural compactness and low cost. The first seat body 3 and the second seat body 4 are matched to form a box body structure with an inner cavity, and the positioning mechanism is at least arranged in the inner cavity of the box body structure, so that the attractiveness and the safety can be improved. Preferably, the elastic window closing assembly 5, the positioning mechanism, the elastic mechanism 7, the automatic temperature sensing driving mechanism and the conventional window closing mechanism are all positioned in the inner cavity of the box body structure.

In this embodiment, preferably, the window sash 2 is hinged to the window frame 1 only through the automatic window closing device, so that no additional hinge is required between the window frame 1 and the window sash 2, the cost can be reduced, the compactness and the aesthetic property of the structure can be improved, and the installation and the maintenance are simpler and more convenient.

Example 2:

the hinged fire window of this embodiment is substantially the same as embodiment 1, and is mainly different in that, as shown in fig. 7 and 8, the automatic temperature-sensing driving mechanism includes a pull rod 68, a second elastic member 69, and a second temperature sensor 610 that breaks after reaching a set temperature, the pull rod 68 is provided with a draw hook portion 681, the pull rod 68 is slidably mounted on the window frame 1 or the first base 3 and can slide the draw hook portion 681 away from the first tongue 61 or pull the first tongue 61 reversely by sliding, the second elastic member 69 is mounted between the window frame 1 and the pull rod 68 and provides an elastic force that forces the pull rod 68 to slide in a direction of pulling the first tongue 61 reversely, the second temperature sensor 610 is mounted on the window frame 1, and the second temperature sensor 610 is connected to the pull rod 68 and blocks the pull rod 68 at a position that makes the draw hook portion 681 away from the first tongue 61. When the ambient temperature is less than the set temperature, the second temperature sensor 610 keeps complete, and blocks the pull rod 68, so that the draw hook 681 is far away from the first lock tongue 61 and cannot pull the first lock tongue 61 to slide reversely, when the ambient temperature reaches the temperature, the second temperature sensor 610 breaks down, the blocking effect of the second temperature sensor 610 on the pull rod 68 fails, and the pull rod 68 pulls the first lock tongue 61 to slide reversely to a position allowing the first positioning rod 62 to pass through under the action of the second elastic piece 69, so that the automatic window closing is realized. The automatic temperature-sensing driving mechanism has the advantages of simple and compact structure, low cost, stable and reliable operation and convenient installation and maintenance.

The second temperature sensor 610 of this embodiment employs an existing outsourcing part that breaks after 74 c±5 c, and the second elastic member 69 preferably employs a telescopic spring.

Example 3:

as shown in fig. 9 to 13, the hinged fire window of the present embodiment comprises a window frame 1 and a window sash 2 hinged on the window frame 1 and capable of being opened or closed around a hinge axis, at least one automatic window closing device is provided between the window frame 1 and the window sash 2, the automatic window closing device comprises a first seat body 3 fixedly connected with the window frame 1 and a second seat body 4 fixedly connected with the window sash 2, the first seat body 3 and the second seat body 4 are hinged, the hinge axis of the first seat body 3 and the second seat body 4 coincides with the hinge axis of the window frame 1 and the window sash 2, an elastic window closing component 5 forcing the window sash 2 to be closed and a hovering positioning component 6 preventing the window sash 2 in a set open position from being closed are provided between the first seat body 3 and the second seat body 4, the hovering positioning component 6 comprises a positioning mechanism capable of being switched between the two states preventing the window sash 2 from being closed and allowing the window sash 2 to be closed, the positioning mechanism is connected with an elastic mechanism 7 enabling the positioning mechanism to prevent the window sash 2 from being closed, an automatic temperature sensing driving mechanism driving the positioning mechanism to be switched to a state allowing the window sash 2 to be closed after reaching the set temperature, and a conventional window closing mechanism for driving the positioning mechanism to be switched to be allowed to be switched to a closed state.

In this embodiment, the positioning mechanism includes a second lock tongue 611 and a second positioning rod 612, the second positioning rod 612 is mounted on the second seat 4, the second lock tongue 611 is provided with a positioning slot 6111 for clamping in the second positioning rod 612 to prevent the window sash 2 from opening and closing, the second lock tongue 611 is slidably disposed on the first seat 3 and can slide forward to a position where the second positioning rod 612 is clamped in the positioning slot 6111 or slide backward to a position where the second positioning rod 612 is separated from the positioning slot 6111, the elastic mechanism 7 is connected with the second lock tongue 611 and provides an elastic force for driving the second lock tongue 611 to slide forward, and the second lock tongue 611 has a second mating curved surface 6112 for forcing the second lock tongue 611 to slide backward for clamping the second positioning rod 612 in the positioning slot 6111 when the window sash 2 is opened to the set open position. When the window sash 2 is opened from the closed state to the set open position, the second seat body 4 rotates along with the window sash 2, the second positioning rod 612 on the second seat body 4 also rotates along with the second seat body 4, and the second positioning rod 612 contacts and cooperates with the first curved mating surface 6101 to force the first lock tongue 61 to slide reversely, so that the second positioning rod 612 is clamped into the positioning groove 6111 (see fig. 10), and after the second positioning rod 612 is clamped into the positioning groove 6111, the window sash 2 cannot be further opened or closed, and the window sash 2 can be stably positioned in the set open position.

In this embodiment, the conventional window closing mechanism includes a first push rod 613, where the first push rod 613 is slidably disposed on the window frame 1 and can push the second lock tongue 611 to slide reversely to a position where the second lock tongue 612 is withdrawn from the positioning groove 6111 by sliding, and manual operation of the first push rod 613 can push the second lock tongue 611 to slide reversely to a position where the second lock tongue 612 is withdrawn from the positioning groove 6111 (see fig. 11). The conventional window closing mechanism has the advantages of simple and compact structure, low cost, easy manufacture and assembly and easy operation.

In this embodiment, the automatic temperature-sensing driving mechanism includes a second push rod 614, a third elastic member 615, and a third temperature sensor 616 damaged after reaching a set temperature, where the second push rod 614 is slidably disposed on the window frame 1 or the first base 3 and can slide away from the second lock tongue 611 or push the second lock tongue 611 reversely to a position where the second positioning rod 612 exits the positioning groove 6111, the third temperature sensor 616 is mounted on the window frame 1, the third elastic member 615 is connected between the window frame 1 and the third temperature sensor 616, and the third elastic member 615 drives the second push rod 614 to push the second lock tongue 611 reversely to a position where the second positioning rod 612 exits the positioning groove 6111 after the third temperature sensor 616 is damaged. When the ambient temperature is less than the set temperature, the third temperature sensor 616 remains intact, the third temperature sensor 616 blocks the third elastic element 615 from contacting the second push rod 614, and the third elastic element 615 stores energy, when the ambient temperature reaches the temperature, the third temperature sensor 616 is destroyed, the blocking effect of the third temperature sensor 616 on the third elastic element 615 fails, the third elastic element 615 drives the second push rod 614 to push the second lock tongue 611 to slide reversely to a position where the second positioning rod 612 exits the positioning groove 6111 (see fig. 13), thereby realizing automatic window closing. The automatic temperature-sensing driving mechanism has the advantages of simple and compact structure, low cost, stable and reliable operation and convenient installation and maintenance.

The third temperature sensor 616 of this embodiment employs existing outsourcing components that break after 74 c±5 c, and the third elastic member 615 preferably employs a telescopic spring.

Example 4:

as shown in fig. 14 to 21, the hinged fire window of the present embodiment comprises a window frame 1 and a window sash 2 hinged on the window frame 1 and capable of being opened or closed around a hinge axis, at least one automatic window closing device is provided between the window frame 1 and the window sash 2, the automatic window closing device comprises a first seat body 3 fixedly connected with the window frame 1 and a second seat body 4 fixedly connected with the window sash 2, the first seat body 3 and the second seat body 4 are hinged, the hinge axis of the first seat body 3 and the second seat body 4 coincides with the hinge axis of the window frame 1 and the window sash 2, an elastic window closing component 5 forcing the window sash 2 to be closed and a hovering positioning component 6 preventing the window sash 2 in a set open position from being closed are provided between the first seat body 3 and the second seat body 4, the hovering positioning component 6 comprises a positioning mechanism capable of being switched between the two states preventing the window sash 2 from being closed and allowing the window sash 2 to be closed, the positioning mechanism is connected with an elastic mechanism 7 enabling the positioning mechanism to prevent the window sash 2 from being closed, an automatic temperature sensing driving mechanism driving the positioning mechanism to be switched to a state allowing the window sash 2 to be closed after reaching the set temperature, and a conventional window closing mechanism for driving the positioning mechanism to be switched to be allowed to be switched to a closed state.

In this embodiment, the positioning mechanism includes a slide groove 617 provided on the first housing 3 and a swing lever 618 hinged on the second housing 4, the swing lever 618 is provided with a slide bar portion 6181 sliding along the slide groove 617 with the opening and closing movement of the window sash 2, the slide groove 617 is provided with a bayonet 6171 for the slide bar portion 6181 to be snapped into to prevent the window sash 2 from opening and closing when the window sash 2 is in the set open position, and the elastic mechanism 7 is connected to the swing lever 618 and provides an elastic force to urge the swing lever 618 to swing in a direction to snap the slide bar portion 6181 into the bayonet 6171. When the window sash 2 is opened from the closed state to the set opening position, the second seat body 4 rotates along with the window sash 2, the swing rod 618 also moves along with the second seat body 4, the sliding rod portion 6181 slides along the sliding groove 617, when the window sash 2 is opened to the set position, the sliding rod portion 6181 is just clamped into the bayonet 6171 and cannot be separated from the bayonet 6171 under the action of the elastic mechanism 7, the sliding rod portion 6181 is clamped into the bayonet 6171 to lock the first seat body 3 and the second seat body 4 (see fig. 18 and 19), so that the first seat body 3 and the second seat body 4 cannot rotate relatively, the window sash 2 is prevented from being opened and closed, and the window sash 2 is stably positioned in the set opening position. The positioning mechanism has the advantages of simple and compact structure, low cost and stable and reliable work.

In this embodiment, as shown in fig. 20 and 21, the conventional window closing mechanism includes a third push rod 619, where the third push rod 619 is slidably disposed on the window frame 1 and can push the sliding rod portion 6181 to exit the bayonet 6171 through sliding, and when the window needs to be closed, the locking effect on the first seat 3 and the second seat 4 can be released by only operating the third push rod 619 to push the sliding rod portion 6181 to exit the bayonet 6171, so that the window sash 2 can be closed. Further, the third push rod 619 is further connected to a return spring that forces the third push rod 619 to slide away from the swing rod 618, and the return spring can drive the swing rod 618 to return, so that the sliding rod portion 6181 is prevented from being blocked into the bayonet 6171 when the window is opened next time. In other embodiments, the third push rod 619 may be slidably disposed on the first base 3. The conventional window closing mechanism has the advantages of simple and compact structure, low cost, easy operation control and convenient installation and maintenance.

In this embodiment, as shown in fig. 17, 19 and 21, the automatic temperature-sensing driving mechanism includes a fourth push rod 620, a fourth elastic member 621 and a fourth temperature sensor 622 that breaks after reaching a set temperature, the fourth push rod 620 is slidably disposed on the window frame 1 or the first base 3 and can exit the bayonet 6171 by sliding away from the slide bar portion 6181 or pushing the slide bar portion 6181, the fourth elastic member 621 is installed between the window frame 1 and the fourth push rod 620 and provides an elastic force that forces the fourth push rod 620 to slide in a direction of pushing the slide bar portion 6181 to exit the bayonet 6171, and the fourth temperature sensor 622 is installed on the window frame 1 and blocks the fourth push rod 620 at a position away from the slide bar portion 6181. When the ambient temperature is less than the set temperature, the fourth temperature sensor 622 keeps complete, the fourth temperature sensor 622 blocks the fourth push rod 620 from being far away from the slide rod portion 6181, the fourth elastic piece 621 stores energy, after the ambient temperature reaches the temperature, the fourth temperature sensor 622 is destroyed, the blocking effect of the fourth temperature sensor 622 on the fourth push rod 620 is invalid, and the fourth elastic piece 621 drives the fourth push rod 620 to push the slide rod portion 6181 to exit the bayonet 6171, so that automatic window closing is achieved. The automatic temperature-sensing driving mechanism has the advantages of simple and compact structure, low cost, stable and reliable operation and convenient installation and maintenance.

The fourth temperature sensor 622 of this embodiment employs an existing outsourcing part that breaks after 74 c±5 c, and the fourth elastic member 621 preferably employs a telescopic spring.

Example 5:

as shown in fig. 22 to 27, the hinged fire window of the present embodiment comprises a window frame 1 and a window sash 2 hinged on the window frame 1 and capable of being opened or closed around a hinge axis, at least one automatic window closing device is provided between the window frame 1 and the window sash 2, the automatic window closing device comprises a first seat body 3 fixedly connected with the window frame 1 and a second seat body 4 fixedly connected with the window sash 2, the first seat body 3 and the second seat body 4 are hinged, the hinge axis of the first seat body 3 and the second seat body 4 coincides with the hinge axis of the window frame 1 and the window sash 2, an elastic window closing component 5 forcing the window sash 2 to be closed and a hovering positioning component 6 preventing the window sash 2 in a set open position from being closed are provided between the first seat body 3 and the second seat body 4, the hovering positioning component 6 comprises a positioning mechanism capable of being switched between the two states preventing the window sash 2 from being closed and allowing the window sash 2 to be closed, the positioning mechanism is connected with an elastic mechanism 7 enabling the positioning mechanism to prevent the window sash 2 from being closed, an automatic temperature sensing driving mechanism driving the positioning mechanism to be switched to a state allowing the window sash 2 to be closed after reaching a set temperature, and a conventional window closing mechanism for driving the positioning mechanism to be switched to be allowed to be switched to a closed state.

In this embodiment, the positioning mechanism includes a third latch 623 and a first positioning component 624, the first positioning component 624 is fixedly disposed on the first seat 3, the first positioning component 624 has a limiting portion 6241, the third latch 623 is slidably disposed on the second seat 4 and can slide forward to a position blocked by the limiting portion 6241 or slide backward to a position capable of passing through the limiting portion 6241, the elastic mechanism 7 and the third latch 623 provide an elastic force for forcing the third latch 623 to slide forward, and the limiting portion 6241 has a third mating curved surface 6242 for forcing the third latch 623 to slide backward when the window sash 2 is opened to the set open position so that the third latch 623 passes through the limiting portion 6241. When the window sash 2 is opened from the closed state to the set open position, the second seat body 4 rotates along with the window sash 2, the third lock tongue 623 also moves along with the second seat body 4, the third matching curved surface 6242 contacts and matches with the third lock tongue 623 to force the third lock tongue 623 to slide in the direction, so that the third lock tongue 623 passes through the limiting part 6241, the third lock tongue 623 passes through the limiting part 6241 and slides to the position of blocking the limiting part 6241 under the action of the elastic mechanism 7, at the moment, the third lock tongue 623 returns to the position of blocking the limiting part 6241 again (see fig. 24 and 25), thereby preventing the window sash 2 from being closed, and the window sash 2 can hover at the set open position under the matching action of the elastic window closing component 5 and the third lock tongue 623. The positioning mechanism has the advantages of simple and compact structure, low cost, stable and reliable operation, easy manufacture, and convenient installation and maintenance.

In this embodiment, the conventional window closing mechanism includes a spring steel ball 625, a second lock hole 626 is provided on the first base 3, the spring steel ball 625 is mounted on the third lock bolt 623 and is blocked into the second lock hole 626 to prevent the third lock bolt 623 from sliding when the third lock bolt 623 slides reversely to the set retracted position, the first positioning component 624 is provided with a first pressing portion 6243 for forcing the third lock bolt 623 to slide reversely to the set retracted position when the window sash 2 is opened further from the set open position, and the maximum distance of forcing the third lock bolt 623 to slide reversely by the third mating curved surface 6242 is smaller than the distance of forcing the third lock bolt 623 to slide reversely to the set retracted position; the conventional window closing mechanism also includes a reset member that urges the spring steel ball 625 out of the second locking hole 626 when the window sash 2 is closed. When the window sash 2 is further opened from the set opening position, the first pressing portion 6243 forces the third lock bolt 623 to reversely slide to the set retraction position, so that the spring steel ball 625 is clamped into the second lock hole 626 to lock the third lock bolt 623 (see fig. 26 and 27), the maximum distance that the third mating curved surface 6242 forces the third lock bolt 623 to reversely slide is smaller than the distance that the third lock bolt 623 reversely slides to the set retraction position, and the third lock bolt 623 cannot be locked when passing through the limiting portion 6241; when the third bolt 623 is locked at the set retracted position, the window sash 2 can be closed under the action of the elastic window closing component 5 by the limiting part 6241; the reset component drives the spring steel ball 625 to withdraw from the second lock hole 626 when the window sash 2 is closed, so that the third lock bolt 623 slides forward to the position of the blocking limit part 6241 again under the action of the elastic mechanism 7, and the window sash 2 can be ensured to be hovered after being opened and closed in a reciprocating manner and each time. The conventional window closing mechanism has the advantages of simple and compact structure, low cost, stable and reliable operation, easy manufacture, and convenient installation and maintenance.

In this embodiment, the reset component is a push rod 627 fixed on the window sash 2, and when the window sash 2 is closed, the push rod 627 pushes the spring steel ball 625 and forces the spring steel ball 625 to withdraw from the second lock hole 626. The spring steel ball 625 of this embodiment is an existing outsourcing piece, including a steel ball and a telescopic spring, which are sequentially installed in a counterbore on the third locking bolt 623.

In this embodiment, the automatic temperature-sensing driving mechanism includes a fifth push rod 628, a fifth elastic member 629 and a fifth temperature sensor 630 destroyed after reaching a set temperature, wherein the fifth push rod 628 is slidably disposed on the window frame 1 or the first base 3 and can move away from the third locking bolt 623 or push the third locking bolt 623 to retract, the fifth temperature sensor 630 is connected with the fifth push rod 628 and blocks the fifth push rod 628 at a position away from the third locking bolt 623, and the fifth elastic member 629 is connected with the fifth push rod 628 and provides an elastic force forcing the fifth push rod 628 to slide in a direction of pushing the third locking bolt 623 to slide reversely. When the ambient temperature is less than the set temperature, the fifth temperature sensor 630 keeps intact, the fifth temperature sensor 630 blocks the fifth push rod 628 from being far away from the third lock bolt 623, and enables the fifth elastic element 629 to store energy, when the ambient temperature reaches the temperature, the fifth temperature sensor 630 is destroyed, the blocking effect of the fifth temperature sensor 630 on the fifth push rod 628 fails, and the fifth elastic element 629 drives the third lock bolt 623 to reversely slide to the set retraction position, thereby realizing automatic window closing. The automatic temperature-sensing driving mechanism has the advantages of simple and compact structure, low cost, stable and reliable operation and convenient installation and maintenance.

The fifth temperature sensor 630 of the present embodiment employs an existing outsourcing part that breaks after 74 c±5 c, and the fifth elastic member 629 preferably employs a telescopic spring.

Example 6:

the hinged fire window of this embodiment is basically the same as embodiment 5, except that in this embodiment, as shown in fig. 28 to 32, the third latch 623 is slidably disposed on the window sash 2 and can slide forward to a position blocked by the limiting portion 6241 or slide backward to a position where it can pass through the limiting portion 6241. In addition, in the present embodiment, the automatic temperature-sensing driving mechanism includes a sixth push rod 631, a sixth elastic member 632 and a sixth temperature sensor 633 destroyed after reaching the set temperature, the sixth push rod 631 is slidably disposed on the first base 3 and can move away from the third lock bolt 623 or push the third lock bolt 623 to retract, the sixth temperature sensor 633 is mounted on the first base 3, the sixth elastic member 632 is connected between the sixth temperature sensor 633 and the first base 3, and the sixth elastic member 632 drives the sixth push rod 631 to push the third lock bolt 623 to slide reversely to a position where the third lock bolt 623 can pass through the limiting portion 6241 after the sixth temperature sensor 633 is destroyed. When the ambient temperature is less than the set temperature, the sixth temperature sensor 633 remains intact, the sixth temperature sensor 633 blocks the sixth push rod 631 to enable the sixth push rod 631 to be far away from the third lock bolt 623, and enables the sixth elastic element 632 to store energy, when the ambient temperature reaches the temperature, the sixth temperature sensor 633 is destroyed, the blocking effect of the sixth temperature sensor 633 on the sixth push rod 631 fails, and the sixth elastic element 632 drives the sixth push rod 631 to push the third lock bolt 623 to slide reversely to the set retraction position, so that the automatic window closing is realized. The automatic temperature-sensing driving mechanism has the advantages of simple and compact structure, low cost, stable and reliable operation and convenient installation and maintenance.

The sixth temperature sensor 633 of this embodiment employs an existing outsourcing part that breaks after 74 c±5 c, and the sixth elastic member 632 preferably employs a telescopic spring.

Example 7:

the hinged fire window of this embodiment is substantially the same as embodiment 5, and is mainly different in that, as shown in fig. 33 to 39, no spring steel ball 625 is provided in this embodiment, the limiting portion 6241 is hinged on the first positioning member 624 and can swing around the hinge axis to a position blocking the third bolt 623 or a position allowing the third bolt 623 to pass through, the conventional window closing mechanism includes a limiting portion 6241 and a manual driving mechanism, a spring forcing the limiting portion 6241 to swing toward the position blocking the third bolt 623 is connected between the limiting portion 6241 and the first positioning member 624, the spring preferably adopts a torsion spring, the manual driving mechanism includes a rotating shaft 634 and a cam 635, the rotating shaft 634 is hinged on the window frame 1, the cam 635 is connected to the rotating shaft 634 and can swing along with the rotating shaft 634 to a position allowing the third bolt 623 to pass through, and the rotating shaft 634 is connected to a handle 636 for driving the rotating shaft 634. When the window sash 2 is opened to the set opening position, the limiting part 6241 forms a blocking effect on the third lock bolt 623 to prevent the window sash 2 from being closed, and when the window needs to be closed, the manual operation handle 636 rotates the rotating shaft 634 to enable the cam 635 to drive the limiting part 6241 to swing to a position allowing the third lock bolt 623 to pass through, and at the moment, the window sash 2 can be closed. After the window sash 2 is closed, the cam 635 is moved away from the limiting part 6241 by the operating handle 636, and the limiting part 6241 swings again to a position to block the third latch bolt 623 under the action of the spring.

In this embodiment, a pair of guide grooves for guiding the handle 636 are preferably provided in the window frame 1, so that stability and reliability can be improved.

In this embodiment, the automatic temperature-sensing driving mechanism includes a seventh push rod 637, a seventh elastic member 638 and a seventh temperature sensor 639 that breaks after reaching a set temperature, where the seventh push rod 637 is slidably disposed on the window frame 1 or the first base 3 and can slide forward away from the handle 636 or slide backward to push the handle 636 to drive the rotation shaft 634 to rotate so that the cam 635 drives the limiting part 6241 to swing to a position allowing the third latch bolt 623 to pass, and the seventh temperature sensor 639 is connected to the seventh elastic member 638 and blocks the seventh push rod 637 at a position away from the handle 636, and the seventh elastic member 638 is connected to the seventh push rod 637 and provides an elastic force forcing the seventh push rod 637 to slide backward. When the ambient temperature is less than the set temperature, the seventh temperature sensor 639 remains intact, the seventh temperature sensor 639 blocks the seventh push rod 637 from moving away from the third lock bolt 623, and enables the seventh elastic element 638 to store energy, when the ambient temperature reaches the temperature, the seventh temperature sensor 639 breaks down, the blocking effect of the seventh temperature sensor 639 on the seventh push rod 637 fails, and the seventh elastic element 638 drives the third lock bolt 623 to slide reversely to the set retracted position, thereby realizing automatic window closing. The automatic temperature-sensing driving mechanism has the advantages of simple and compact structure, low cost, stable and reliable operation and convenient installation and maintenance.

The seventh temperature sensor 639 of this embodiment employs an existing outsourcing part that breaks after 74±5 ℃, and the seventh temperature sensor 639 preferably employs a telescopic spring.

The above description is merely a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above examples. Modifications and variations which would be obvious to those skilled in the art without departing from the spirit of the invention are also considered to be within the scope of the invention.

Claims

1. The utility model provides a hinge fire prevention window, includes window frame (1) and articulates window fan (2) of installing on window frame (1) and can open or close around the articulated axis, be equipped with at least one automatic window closing device between window frame (1) and window fan (2), its characterized in that: the automatic window closing device comprises a first seat body (3) fixedly connected with a window frame (1) and a second seat body (4) fixedly connected with a window sash (2), the first seat body (3) and the second seat body (4) are hinged, an elastic window closing assembly (5) for forcing the window sash (2) to be closed and a hovering positioning assembly (6) for preventing the window sash (2) at a set opening position from being closed are arranged between the first seat body (3) and the second seat body (4), the hovering positioning assembly (6) comprises a positioning mechanism capable of preventing the window sash (2) from being closed and allowing the window sash (2) to be switched between two states, and the positioning mechanism is connected with an elastic mechanism (7) for enabling the positioning mechanism to prevent the window sash (2) from being closed, an automatic temperature sensing driving mechanism for driving the positioning mechanism to be switched to a state allowing the window sash (2) to be closed after the set temperature is reached, and a conventional window closing mechanism for driving the positioning mechanism to be switched to the state allowing the window sash (2) to be closed.

2. The hinged fire window of claim 1, wherein: the positioning mechanism comprises a first lock tongue (61) and a first positioning rod (62), the first positioning rod (62) is arranged on the second seat body (4), the first lock tongue (61) is arranged on the first seat body (3) in a sliding mode and can slide forward to a position blocking the first positioning rod (62) or slide reversely to a position allowing the first positioning rod (62) to pass through, the elastic mechanism (7) is connected with the first lock tongue (61) and provides an elastic force for forcing the first lock tongue (61) to slide forward, and the first lock tongue (61) is provided with a first matching curved surface (6101) which is matched with the first positioning rod (62) when the window sash (2) is opened to the set opening position and forces the first lock tongue (61) to slide reversely for the first positioning rod (62) to pass through.

3. The hinged fire window of claim 2, wherein: the conventional window closing mechanism comprises a lock pin (63) and a pressure lever (64), the first lock tongue (61) is provided with a first lock hole (6102), the lock pin (63) is arranged on the second seat body (4) in a sliding mode, the lock pin (63) is connected with an elastic component which forces the lock pin (63) to be inserted into the first lock hole (6102) to prevent the first lock tongue (61) from sliding when the first lock tongue (61) slides reversely to a set position, the pressure lever (64) is arranged on the second seat body (4) and forces the lock pin (63) to slide reversely to the set position when the window sash (2) is opened further from the set opening position, and the maximum distance that the first positioning rod (62) cooperates with the first matching curved surface (6101) to force the first lock tongue (61) to slide reversely is smaller than the distance that the first lock tongue (61) slides reversely to the set position; the conventional window closing mechanism further comprises a reset component which is driven by the pressing rod (64) to enable the lock pin (63) to withdraw from the first lock hole (6102) when the window sash (2) is closed.

4. A hinged fire window according to claim 3, wherein: the elastic component includes pendulum rod (65) that links to each other with lockpin (63), pendulum rod (65) are articulated to be installed on second pedestal (4) and can insert or withdraw from first lockhole (6102) with lockpin (63) through the swing, pendulum rod (65) are connected with and force pendulum rod (65) to the direction wobbling spring that makes lockpin (63) insert first lockhole (6102), reset part includes trigger portion (651) that locates on pendulum rod (65), trigger portion (651) are located can be pushed by depression bar (64) in order to force pendulum rod (65) swing to take lockpin (63) to withdraw from first lockhole (6102) when casement (2) are closed.

5. The hinged fire window of claim 2, wherein: the automatic temperature-sensing driving mechanism comprises a first elastic piece (66) and a first temperature sensor (67) which is damaged after reaching the set temperature, the first temperature sensor (67) is arranged on the first base body (3), the first elastic piece (66) is connected between the first temperature sensor (67) and the first base body (3), and the first elastic piece (66) drives the first lock tongue (61) to reversely slide to a position allowing the first positioning rod (62) to pass through after the first temperature sensor (67) is damaged.

6. The hinged fire window of claim 2, wherein: the automatic temperature-sensing driving mechanism comprises a pull rod (68), a second elastic piece (69) and a second temperature sensor (610) which is damaged after the set temperature is reached, the pull rod (68) is provided with a draw hook portion (681), the pull rod (68) is slidably arranged on the window frame (1) or the first seat body (3) and can enable the draw hook portion (681) to be far away from the first lock tongue (61) or pull the first lock tongue (61) to slide reversely through sliding, the second elastic piece (69) is arranged between the window frame (1) and the pull rod (68) and provides an elastic force for forcing the pull rod (68) to slide in the direction of pulling the first lock tongue (61) reversely, the second temperature sensor (610) is arranged on the window frame (1), and the second temperature sensor (610) is connected with the pull rod (68) and blocks the pull rod (68) at a position enabling the draw hook portion (681) to be far away from the first lock tongue (61).

7. The hinged fire window of claim 1, wherein: the positioning mechanism comprises a second lock tongue (611) and a second positioning rod (612), the second positioning rod (612) is arranged on the second seat body (4), the second lock tongue (611) is provided with a positioning groove (6111) used for being clamped into the second positioning rod (612) to prevent the window sash (2) from being opened and closed, the second lock tongue (611) is arranged on the first seat body (3) in a sliding mode and can slide forward to a position enabling the second positioning rod (612) to be clamped into the positioning groove (6111) or slide reversely to a position enabling the second positioning rod (612) to be separated from the positioning groove (6111), the elastic mechanism (7) is connected with the second lock tongue (611) and provides elastic force for enabling the second lock tongue (611) to slide forward, and the second lock tongue (611) is provided with a second curved surface (6112) matched with the second positioning rod (612) to force the second lock tongue (611) to slide reversely when the window sash (2) is opened to a set opening position.

8. The hinged fire window of claim 7, wherein: the conventional window closing mechanism comprises a first push rod (613), wherein the first push rod (613) is slidably arranged on the window frame (1) or the first seat body (3) and can push the second lock tongue (611) to reversely slide to a position for enabling the second positioning rod (612) to withdraw from the positioning groove (6111) through sliding.

9. The hinged fire window of claim 7, wherein: the automatic temperature-sensing driving mechanism comprises a second push rod (614), a third elastic piece (615) and a third temperature sensor (616) which is damaged after the set temperature is reached, the second push rod (614) is slidably arranged on the window frame (1) or the first base body (3) and can be far away from the second lock tongue (611) through sliding or push the second lock tongue (611) to reversely slide to a position enabling the second positioning rod (612) to withdraw from the positioning groove (6111), the third temperature sensor (616) is arranged on the window frame (1), the third elastic piece (615) is connected between the window frame (1) and the third temperature sensor (616), and the third elastic piece (615) drives the second lock tongue (611) to reversely slide to a position enabling the second positioning rod (612) to withdraw from the positioning groove (6111) after the third temperature sensor (616) is damaged.

10. The hinged fire window of claim 1, wherein: the positioning mechanism comprises a sliding groove (617) formed in the first base body (3) and a swinging rod (618) hinged to the second base body (4), the swinging rod (618) is provided with a sliding rod portion (6181) sliding along the sliding groove (617) along with opening and closing movements of the window sash (2), the sliding groove (617) is provided with a bayonet (6171) used for enabling the sliding rod portion (6181) to be clamped in to prevent the window sash (2) from being opened and closed when the window sash (2) is in the set opening position, and the elastic mechanism (7) is connected with the swinging rod (618) and provides elastic force for forcing the swinging rod (618) to swing in the direction of enabling the sliding rod portion (6181) to be clamped in the bayonet (6171).

11. The hinged fire window of claim 10, wherein: the conventional window closing mechanism comprises a third push rod (619), wherein the third push rod (619) is slidably arranged on the window frame (1) or the first seat body (3) and can push the sliding rod part (6181) to withdraw from the bayonet (6171) through sliding.

12. The hinged fire window of claim 11, wherein: the third push rod (619) is also connected with a return spring which forces the third push rod (619) to slide away from the swing rod (618).

13. The hinged fire window of claim 10, wherein: the automatic temperature-sensing driving mechanism comprises a fourth push rod (620), a fourth elastic piece (621) and a fourth temperature sensor (622) which is damaged after the set temperature is reached, wherein the fourth push rod (620) is slidably arranged on the window frame (1) or the first seat body (3) and can be far away from the sliding rod part (6181) through sliding or push the sliding rod part (6181) to exit from the bayonet (6171), the fourth elastic piece (621) is arranged between the window frame (1) and the fourth push rod (620) and provides an elastic force for forcing the fourth push rod (620) to slide towards the direction of pushing the sliding rod part (6181) to exit from the bayonet (6171), and the fourth temperature sensor (622) is arranged on the window frame (1) and blocks the fourth push rod (620) at a position far away from the sliding rod part (6181).

14. The hinged fire window of claim 1, wherein: the positioning mechanism comprises a third lock tongue (623) and a first positioning component (624), the first positioning component (624) is fixedly arranged on the first seat body (3), the first positioning component (624) is provided with a limiting part (6241), the third lock tongue (623) is arranged on the second seat body (4) or the window sash (2) in a sliding mode and can slide forward to a position blocked by the limiting part (6241) or slide reversely to a position capable of passing through the limiting part (6241), the elastic mechanism (7) and the third lock tongue (623) provide an elastic force for forcing the third lock tongue (623) to slide forward, and the limiting part (6241) is provided with a third matching curved surface (6242) for forcing the third lock tongue (623) to slide reversely when the window sash (2) is opened to a set opening position.

15. The hinged fire window of claim 14, wherein: the conventional window closing mechanism comprises a spring steel ball (625), a second lock hole (626) is arranged on the first seat body (3), the spring steel ball (625) is installed on the third lock tongue (623) and is clamped into the second lock hole (626) to prevent the third lock tongue (623) from sliding when the third lock tongue (623) slides reversely to a set retraction position, the first positioning component (624) is provided with a first pressing part (6243) which forces the third lock tongue (623) to slide reversely to the set retraction position when the window sash (2) is further opened from the set opening position, and the maximum distance of the third matching curved surface (6242) which forces the third lock tongue (623) to slide reversely is smaller than the distance of the third lock tongue (623) to slide reversely to the set retraction position; the conventional window closing mechanism further comprises a reset component for driving the spring steel ball (625) to withdraw from the second lock hole (626) when the window sash (2) is closed.

16. The hinged fire window of claim 15, wherein: the reset part is a push rod (627) fixedly arranged on the window sash (2).

17. The hinged fire window of claim 14, wherein: the automatic temperature-sensing driving mechanism comprises a fifth push rod (628), a fifth elastic piece (629) and a fifth temperature sensor (630) which is damaged after the set temperature is reached, the fifth push rod (628) is slidably arranged on the window frame (1) or the first base body (3) and can be far away from the third lock tongue (623) through sliding or push the third lock tongue (623) to retract, the fifth temperature sensor (630) is connected with the fifth push rod (628) and blocks the fifth push rod (628) at a position far away from the third lock tongue (623), and the fifth elastic piece (629) is connected with the fifth push rod (628) and provides an elastic force for forcing the fifth push rod (628) to slide in a direction for pushing the third lock tongue (623) to slide reversely.

18. The hinged fire window of claim 14, wherein: the automatic temperature-sensing driving mechanism comprises a sixth push rod (631), a sixth elastic piece (632) and a sixth temperature sensor (633) which is damaged after the set temperature is reached, the sixth push rod (631) is slidably arranged on the first base body (3) and can be far away from the third lock tongue (623) through sliding or push the third lock tongue (623) to retract, the sixth temperature sensor (633) is arranged on the first base body (3), the sixth elastic piece (632) is connected between the sixth temperature sensor (633) and the first base body (3), and the sixth elastic piece (632) drives the sixth push rod (631) to push the third lock tongue (623) to reversely slide to the position of the accessible limiting part (6241) after the sixth temperature sensor (633) is damaged.

19. The hinged fire window of claim 14, wherein: the limiting part (6241) is hinged on the first positioning part (624) and can swing around a hinge shaft to a position for blocking the third lock tongue (623) or a position for allowing the third lock tongue (623) to pass through, the conventional window closing mechanism comprises the limiting part (6241) and a manual driving mechanism, a spring for forcing the limiting part (6241) to swing towards the position for blocking the third lock tongue (623) is connected between the limiting part (6241) and the first positioning part (624), the manual driving mechanism comprises a rotating shaft (634) and a cam (635), the rotating shaft (634) is hinged on the window frame (1), the cam (635) is connected to the rotating shaft (634) and can rotate along with the rotating shaft (634) to drive the limiting part (6241) to swing to the position for allowing the third lock tongue (623) to pass through, and the rotating shaft (634) is connected with a handle (636) for driving the rotating shaft (634).

20. The hinged fire window of claim 19, wherein: the automatic temperature-sensing driving mechanism comprises a seventh push rod (637), a seventh elastic piece (638) and a seventh temperature sensor (639) which is damaged after the temperature reaches the set temperature, the seventh push rod (637) is slidably arranged on the window frame (1) or the first base body (3) and can slide forward and away from the handle (636) or slide reversely to push the handle (636) to drive the rotating shaft (634) to rotate so that the cam (635) drives the limiting part (6241) to swing to a position allowing the third lock tongue (623) to pass through, the seventh temperature sensor (639) is connected with the seventh elastic piece (638) and blocks the seventh push rod (637) at a position away from the handle (636), and the seventh elastic piece (638) is connected with the seventh push rod (637) and provides elastic force for forcing the seventh push rod (637) to slide reversely.

21. A hinged fire window according to any of claims 1 to 20, wherein: the elastic window closing component (5) is a torsion spring connected between the first seat body (3) and the second seat body (4).

22. A hinged fire window according to any of claims 1 to 20, wherein: the first seat body (3) and the second seat body (4) are matched to form a box body structure with an inner cavity, and at least the positioning mechanism is positioned in the inner cavity of the box body structure.

23. A hinged fire window according to any of claims 1 to 20, wherein: the window sash (2) is hinged on the window frame (1) through the automatic window closing device.