CN219953041U - Window closing device for fireproof window - Google Patents

Abstract

The utility model discloses a fire window closer which comprises a base, a return spring, a sliding seat, a transmission rack and a swing rod, wherein the base is hollow to form a sliding groove, the return spring, the sliding seat and the transmission rack are sequentially arranged in the sliding groove, the return spring is used for pushing the sliding seat to drive the sliding seat to approach and push the transmission rack to move, and the end part of the swing rod is hinged with the base; this window closer is through setting up reset spring, temperature sensing element, the sliding seat, transmission rack, the pendulum rod, utilize temperature sensing element roof pressure locating piece in order to restrict the locating piece rotation, thereby the hook portion couple of restriction sliding seat withdraws from the fixed slot, thereby realize restricting the sliding seat and remove under conventional state, do not influence the normal use of casement, when the conflagration appears, temperature sensing element is broken, make reset spring promote the sliding seat remove, thereby the sliding seat promotes transmission rack and removes, in order to drive the automatic locking of casement, can slow down the fire and spread, still can fight for time for fire rescue, the integral erection is convenient, need not to destroy the window body.

Description

Window closing device for fireproof window

Technical Field

The utility model relates to the technical field of hardware, in particular to a fireproof window closer.

Background

For building doors and windows, when a fire disaster occurs, the fireproof window plays an important role, prevents the serious loss caused by the fire disaster, can slow down the spread of fire, comprises open fire, high temperature and dense smoke, and can also fight for time for fire rescue. The common hinges are arranged on windows of many buildings, and the automatic window closing function components for preventing fire are not provided; after the existing fireproof automatic window closing component in the market is installed, the window opening has resistance, and the old and children can open the window with great effort; the window is free from resistance, and when the window is in strong wind weather, the window sashes are easily closed by wind pressure to cause influence. Aiming at the problems, a fireproof window closer is developed, the opening or closing force value of a window sash can be finely adjusted in normal use, the window sash can be positioned at will in the opening process, and a set of independent limiting air supports are not needed to be added; when in fire, the temperature sensing element is broken by high temperature, the window closer generates power to automatically close the window sashes, and the window sashes are not influenced by conventional fine adjustment resistance during automatic closing. The publication number is CN 112796605A, a fire window closing device is disclosed, the fire window closing device comprises a swing rod, a first component and a second component which are respectively hinged with two ends of the swing rod, the first component and the second component are respectively connected with a window sash and a window frame, the first component comprises a base, a first sliding block which is in interactive fit with the base, and a temperature control window closing mechanism which drives the first sliding block to slide; the first sliding block is provided with a rack, meanwhile, the end part of the swing rod is provided with a gear meshed with the first sliding block, the temperature control window closing mechanism is provided with a temperature sensing unit, and when the temperature sensing unit bursts, the temperature control window closing mechanism drives the first sliding block to slide so as to drive the swing rod to swing along the closing direction of the window sash. When the temperature sensing element is maintained and replaced, the window closing device is complex and troublesome to operate, and brings certain inconvenience to users.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a fire window closing device which is self-locking in fire and convenient to replace and maintain.

In order to achieve the above purpose, the present utility model provides the following solutions: the fireproof window closer comprises a base, a reset spring, a sliding seat, a transmission rack and a swing rod, wherein the base is hollow to form a sliding groove, the reset spring, the sliding seat and the transmission rack are sequentially arranged in the sliding groove, the reset spring is used for propping the sliding seat to drive the sliding seat to approach and push the transmission rack to move, the end part of the swing rod is hinged with the base, a gear part is formed at the end part of the swing rod, the gear part is meshed with the transmission rack, and the transmission rack is used for driving the swing rod to swing; the sliding seat is provided with a mounting groove, a temperature sensing element is arranged in the mounting groove, a positioning block and an eccentric wheel are respectively connected in a rotating manner in the mounting groove, the base is provided with a fixing groove, the positioning block is provided with a hook portion, the hook portion is connected with the fixing groove to be used for limiting the sliding seat to move, the temperature sensing element is inserted into the positioning block to be used for limiting the hook portion to withdraw from the fixing groove, the eccentric wheel is positioned on one side of the positioning block, and the eccentric wheel is rotated to enable the eccentric wheel to push against the positioning block to realize limiting the positioning block to rotate.

The beneficial effects of the utility model are as follows: the window fan is automatically locked when a fire disaster occurs, the temperature sensing element is convenient to replace, the window closer is provided with the reset spring, the temperature sensing element, the sliding seat, the transmission rack and the swing rod, the temperature sensing element is used for jacking the positioning block to limit the rotation of the positioning block, so that the hook part of the sliding seat is limited to be hooked out of the fixed groove, the sliding seat is limited to move in a conventional state, the normal use of the window fan is not influenced, when the fire disaster occurs, the temperature sensing element is broken, the reset spring pushes the sliding seat to move, the sliding seat pushes the transmission rack to move, so that the window fan is driven to automatically lock, the fire disaster can be slowed down, the time can be saved for fire rescue, the whole installation is convenient, the window body is not required to be damaged, the installation of the milling groove is avoided, the replacement and the maintenance is facilitated, and the window fan can be installed on the window bodies of various hinges and invisible hinges for use; simultaneously, through setting up the eccentric wheel, make the eccentric wheel roof pressure locating piece realize restricting the locating piece and rotate through rotating the eccentric wheel, make the sliding seat keep still to change the temperature sensing component, make whole easy maintenance swift.

Further, still include the mount pad, the mount pad tip takes shape has the installation piece, the installation piece is used for inserting in the sliding tray from the base tip, threaded connection has adjusting screw in the installation piece, adjusting screw is used for the roof pressure reset spring, through rotating adjusting screw realizes adjusting reset spring's compressibility. After the structure is adopted, the compression degree of the return spring is adjusted by rotating the adjusting screw, so that the thrust of the return spring to the sliding seat is adjusted, the window closing force during blasting can be adjusted, and the weight problem of a large window and a small window is solved.

Further, a test block is arranged in the mounting groove, a fixing hole is formed in the positioning block, one end of the temperature sensing element is pressed against the test block, and the other end of the temperature sensing element is inserted into the fixing hole.

Further, a rotating hole penetrating through the mounting groove is formed in the side wall of the sliding seat, a rotating pin is arranged in the rotating hole, and the rotating pin is connected with the positioning block and used for driving the positioning block to rotate. By adopting the structure, the utility model realizes the rotation of the positioning block.

Further, the end part of the transmission rack is provided with a jacking part, and the jacking part is used for pushing the sliding seat in a jacking mode.

Further, a resistance screw is arranged on the positioning block and is in friction connection with the jacking part, and when the hook part pushes the fixing groove, the resistance screw is separated from the jacking part and is retracted into the sliding seat. After the structure is adopted, the friction between the resistance screw and the jacking part is utilized to realize that certain resistance is generated to the movement of the window sash in a conventional state, the function of limiting and supporting is realized, the damage to bearing hardware when the window sash is opened at a large angle can be advantageously protected, the friction between the resistance screw and the jacking part can be adjusted by screwing the resistance screw, the opening or closing force of the window sash is adjusted, and the use of the aged and children is facilitated.

Further, a fixing frame is arranged in the sliding groove, the end part of the swing rod is hinged in the fixing frame, and the transmission rack is arranged in the fixing frame and is used for being meshed with the gear part.

Further, the upper side and the lower side of the fixing frame are respectively provided with a cushion block, the two cushion blocks are used for clamping the fixing frame together, and the two cushion blocks and the fixing frame are fixed in the sliding groove through rivets.

Further, the side wall of the base is provided with a swinging groove, the swinging groove penetrates through the sliding groove, and the swinging groove extends along the length direction of the base and is used for moving the swinging rod.

Further, the swing rod is connected with a connecting seat, and the connecting seat is used for connecting a window sash.

Drawings

Fig. 1 is a perspective view of the whole structure of the present utility model (swing lever open state).

Fig. 2 is a perspective view of the whole structure of the present utility model (swing link folded state).

Fig. 3 is an exploded view of the present utility model.

Fig. 4 is an exploded view of the sliding seat of the present utility model.

Fig. 5 is a front view of the present utility model.

Fig. 6 is a first internal structure diagram (swing link folded state) of the present utility model.

Fig. 7 is a second internal structural view of the present utility model (swing link open state).

Fig. 8 is a third internal configuration diagram (broken state of the temperature-sensitive element) of the present utility model.

Fig. 9 is a view showing the internal structure of the sliding seat according to the present utility model (normal state).

Fig. 10 is a second internal structure diagram of the sliding seat (broken state of the temperature sensing element) according to the present utility model.

Wherein 1 is the base, 11 is the sliding tray, 12 is the fixed slot, 13 is the swinging tank, 14 is first through-hole, 2 is reset spring, 21 is the mount pad, 22 is the installation piece, 23 is the adjusting screw, 3 is the sliding pad, 31 is the mounting groove, 32 is the temperature sensing element, 33 is the locating piece, 331 is the couple portion, 332 is the fixed hole, 333 is the resistance screw, 34 is the eccentric wheel, 35 is the debugging piece, 36 is the rotation hole, 361 is the rotation round pin, 4 is the drive rack, 41 is the roof pressure portion, 5 is the pendulum rod, 51 is the gear portion, 52 is the connecting seat, 6 is the mount, 61 is the cushion.

Description of the embodiments

The following description of the embodiments of the present utility model will be made more complete and less obvious to those skilled in the art, based on the embodiments of the present utility model, for a part, but not all of the embodiments of the present utility model, without making any inventive effort.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 10, a fire window closer comprises a base 1, a return spring 2, a mounting seat 21, a sliding seat 3, a transmission rack 4 and a swinging rod 5, wherein the base 1 is hollow to form a sliding groove 11, the return spring 2, the sliding seat 3 and the transmission rack 4 are sequentially arranged in the sliding groove 11, the return spring 2 pushes the sliding seat 3 to drive the sliding seat 3 to approach and push the transmission rack 4 to move, the end part of the swinging rod 5 is hinged with the base 1, a gear part 51 is formed at the swinging end part, the gear part 51 is meshed with the transmission rack 4, and the transmission rack 4 is used for driving the swinging rod 5 to swing; the sliding seat 3 is provided with a mounting groove 31, a temperature sensing element 32 is arranged in the mounting groove 31, a positioning block 33 and an eccentric wheel 34 are respectively and rotatably connected in the mounting groove 31, the base 1 is provided with a fixing groove 12, the positioning block 33 is provided with a hook part 331, the hook part 331 is connected with the fixing groove 12 in a hooking way to limit the movement of the sliding seat 3, the temperature sensing element 32 is inserted into the positioning block 33 to limit the hook part 331 to withdraw from the fixing groove 12, the eccentric wheel 34 is positioned on one side of the positioning block 33, and the eccentric wheel 34 is pressed against the positioning block 33 by rotating the eccentric wheel 34 to limit the rotation of the positioning block 33.

In the present embodiment, a space is left between the sliding seat 3 and the driving rack 4 for the conventional movement of the driving rack 4 for opening and closing the window sash in the conventional state.

In this embodiment, a mounting block 22 is formed at the end of the mounting seat 21, the mounting block 22 is used for being inserted into the sliding groove 11 from the end of the base 1, an adjusting screw 23 is connected to the mounting block 22 in a threaded manner, the adjusting screw 23 is used for pressing the return spring 2, and the compression degree of the return spring 2 is adjusted by rotating the adjusting screw 23.

In this embodiment, a test block 35 is disposed in the mounting groove 31, a fixing hole 332 is formed in the positioning block 33, one end of the temperature sensing element 32 is pressed against the test block 35, the other end is inserted into the fixing hole 332, a test screw 351 is disposed on the sliding seat 3, and the test block 35 is pressed downward by the adjustment screw 351 to be fixed in the sliding seat 3 by the test block 35.

In this embodiment, the base 1 is provided with a first through hole 14, and in a normal state, the eccentric 34 is aligned with the first through hole 14.

In this embodiment, the side wall of the sliding seat 3 is provided with a rotation hole 36 penetrating through the mounting groove 31, a rotation pin 361 is disposed in the rotation hole 36, and the rotation pin 361 is connected to the positioning block 33 for driving the positioning block 33 to rotate.

In this embodiment, the end of the driving rack 4 is formed with a pressing portion 41, and the pressing portion 41 is used for pressing and pushing the sliding seat 3, wherein the pressing portion 41 has an L-shaped structure.

In the present embodiment, the positioning block 33 is provided with a resistance screw 333, the resistance screw 333 is in friction connection with the pressing portion 41, and when the hook portion 331 pushes the fixing groove 12, the resistance screw 333 is separated from the pressing portion 41 and retracted into the sliding seat 3.

In this embodiment, a fixing frame 6 is disposed in the sliding groove 11, the end of the swing rod 5 is hinged in the fixing frame 6, and the driving rack 4 is disposed in the fixing frame 6 for meshing with the gear portion 51.

In this embodiment, the upper and lower sides of the fixing frame 6 are respectively provided with a cushion block 61, the two cushion blocks 61 are used for clamping the fixing frame 6 together, and the two cushion blocks 61 and the fixing frame 6 are fixed in the sliding groove 11 through rivets.

In this embodiment, the side wall of the base 1 is provided with a swinging groove 13, the swinging groove 13 penetrates into the sliding groove 11, and the swinging groove 13 extends along the length direction of the base 1 for the swinging rod 5 to move.

In this embodiment, the swing link 5 is connected with a connection base 52, and the connection base 52 is used for connecting with a window sash.

In the present embodiment, the normal use state: the user pushes the window sash to move, the swing rod 5 is driven to swing through the connecting seat 52, the swing rod 5 slides in the swing groove 13 to drive the gear part 51 to rotate, so that the transmission rack 4 is driven to move, the transmission rack 4 slowly moves under the friction action between the resistance screw 333 and the jacking part 41 until the window sash moves to a set position, and the movement is stopped, at the moment, the transmission rack 4 is kept still by the friction action between the resistance screw 333 and the jacking part 41, so that the swing rod 5 and the window sash are kept still; meanwhile, in a normal state, the temperature sensing element 32 pushes the positioning block 33, so that the hook part 331 is hooked on the fastening groove 12, and the sliding seat 3 is prevented from being pushed to move by the reset spring 2.

When the fire disaster equal-height Wen Changjing occurs, the temperature sensing element 32 is broken, the reset spring 2 pushes the sliding seat 3 to move so as to drive the hook part 331 to withdraw from the fixed groove 12, the positioning block 33 rotates, the resistance screw 333 retracts into the sliding seat 3, the sliding seat 3 moves so as to push the transmission rack 4 to move, and the transmission rack 4 drives the gear part 51 to rotate, so that the swing rod 5 is driven to swing and fold, and the window sashes are driven to be automatically closed.

When the temperature sensing element 32 needs to be replaced, the eccentric wheel 34 is screwed through the first through hole 14, so that the eccentric wheel 34 is pressed against the positioning block 33 to limit the rotation of the positioning block 33, at the moment, the temperature sensing element 32 can be taken out from the position of the fixed groove 12 extending into the sliding seat 3 and replaced, and then the eccentric wheel 34 is screwed to enable the eccentric wheel 34 to leave the positioning block 33, so that the replacement of the temperature sensing element 32 is completed.

The above-described embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the present utility model in any way. Any person skilled in the art can make many more possible variations and modifications of the technical solution of the present utility model or modify equivalent embodiments without departing from the scope of the technical solution of the present utility model by using the technical content disclosed above. Therefore, all equivalent changes according to the inventive concept are covered by the protection scope of the utility model without departing from the technical scheme of the utility model.

Claims (10)

1. The utility model provides a fire window closes window ware, includes base (1), reset spring (2), sliding seat (3), transmission rack (4), pendulum rod (5), its characterized in that: the base (1) is hollow to form a sliding groove (11), a reset spring (2), a sliding seat (3) and a transmission rack (4) are sequentially arranged in the sliding groove (11), the reset spring (2) is used for propping against the sliding seat (3) to drive the sliding seat (3) to approach and push the transmission rack (4) to move, the end part of the swing rod (5) is hinged with the base (1), a gear part (51) is formed at the end part of the swing, the gear part (51) is meshed with the transmission rack (4), and the transmission rack (4) is used for driving the swing rod (5) to swing; the sliding seat (3) is provided with a mounting groove (31), a temperature sensing element (32) is arranged in the mounting groove (31), a positioning block (33) and an eccentric wheel (34) are respectively connected with the mounting groove (31) in a rotating mode, the base (1) is provided with a fixing groove (12), the positioning block (33) is provided with a hook portion (331) in a forming mode, the hook portion (331) is connected with the fixing groove (12) in a hooking mode and used for limiting the sliding seat (3) to move, the temperature sensing element (32) is inserted into the positioning block (33) and used for limiting the hook portion (331) to withdraw from the fixing groove (12), the eccentric wheel (34) is located on one side of the positioning block (33), and the eccentric wheel (34) is rotated to enable the eccentric wheel (34) to prop against the positioning block (33) to achieve limiting the rotation of the positioning block (33).

2. A fire window closer according to claim 1, wherein: still include mount pad (21), mount pad (21) tip shaping has installation piece (22), installation piece (22) are used for inserting in sliding tray (11) from base (1) tip, installation piece (22) internal thread connection has adjusting screw (23), adjusting screw (23) are used for pushing up reset spring (2), through rotating adjusting screw (23) realize adjusting reset spring (2) compressibility.

3. A fire window closer according to claim 2, wherein: the temperature sensing element is characterized in that a test block (35) is arranged in the mounting groove (31), a fixing hole (332) is formed in the positioning block (33), one end of the temperature sensing element (32) is pressed against the test block (35), and the other end of the temperature sensing element is inserted into the fixing hole (332).

4. A fire window closer according to claim 3, wherein: the side wall of the sliding seat (3) is provided with a rotating hole (36) penetrating through the mounting groove (31), a rotating pin (361) is arranged in the rotating hole (36), and the rotating pin (361) is connected with the positioning block (33) and used for driving the positioning block (33) to rotate.

5. A fire window closer according to claim 4, wherein: the end part of the transmission rack (4) is provided with a jacking part (41), and the jacking part (41) is used for jacking and pushing the sliding seat (3).

6. A fire window closer according to claim 5, wherein: the positioning block (33) is provided with a resistance screw (333), the resistance screw (333) is in friction connection with the jacking part (41), and when the hook part (331) pushes the fixing groove (12), the resistance screw (333) is separated from the jacking part (41) and is retracted into the sliding seat (3).

7. A fire window closer according to claim 6, wherein: the sliding groove (11) is internally provided with a fixing frame (6), the end part of the swing rod (5) is hinged in the fixing frame (6), and the transmission rack (4) is arranged in the fixing frame (6) and is meshed with the gear part (51).

8. A fire window closer according to claim 7, wherein: cushion blocks (61) are respectively arranged on the upper side and the lower side of the fixing frame (6), the two cushion blocks (61) are used for clamping the fixing frame (6) together, and the two cushion blocks (61) and the fixing frame (6) are fixed in the sliding groove (11) through rivets.

9. A fire window closer according to claim 8, wherein: the side wall of the base (1) is provided with a swinging groove (13), the swinging groove (13) penetrates through the sliding groove (11), and the swinging groove (13) extends along the length direction of the base (1) and is used for moving the swinging rod (5).

10. A fire window closer according to claim 9, wherein: the swing rod (5) is connected with a connecting seat (52), and the connecting seat (52) is used for connecting a window sash.