Limiting, supporting and fire-fighting releasing device for building outer casement window

By using the limiting and adjusting structures of the fire-fighting release device, the problem of outward-opening windows not being able to meet the opening angle requirements during fire smoke exhaust is solved, and the window sash can be adjusted from 30° to 70° to meet fire safety requirements.

CN223753889UActive Publication Date: 2026-01-02SHANGHAI DAJING ARCHITECTURAL PLANNING & DESIGN CO LTD
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Patent Information

Application Number
CN202423171683.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-01-02
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

When existing outward-opening casement windows are used as fire smoke exhaust windows, the opening angle cannot reach the 70° required by building codes, thus failing to meet fire safety requirements.

Method used

A limiting support fire-fighting release device was designed. Through the limiting structure and the adjustment structure, the window sash can be adjusted from 30° to 70°. The device includes components such as a shell, a movable block, a movable rod, an adjustment structure, a connecting block, and a rotating shaft to realize the angle adjustment of the window sash.

Benefits of technology

The window sash opening angle can be adjusted, which meets the specifications for fire smoke exhaust windows and improves the convenience and safety of outward-opening windows.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a building external casement window limit support fire-fighting release device, which comprises a frame main body seat, a sash main body seat and a limit structure, and is characterized in that the limit structure is arranged, an adjusting structure is arranged on the front end face of a shell, a positioning pin is taken down, the limit on a second connecting rod is released, and the second connecting rod is rotated, so that the sash main body seat can be opened. The first fixing structure moves forwards, the second fixing structure moves backwards, limiting on the movable block is relieved, the sash body base can be opened outwards, the movable block slides to the right side of the interior of the shell through the rebound resilience of a spring of the second fixing structure to be clamped, and the opening angle of the frame body base and the sash body base is adjusted to 70 degrees from 30 degrees. And standard requirements are met, the effect of conveniently limiting and supporting the outward casement window is achieved, and the outward casement window can be used as a fire-fighting smoke exhaust window.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of outside casement window, especially to a building outside casement window limiting support fire opening device. BACKGROUND

[0002] The casement window is a type of window in civilian residential houses, and the sash is opened and closed along a horizontal direction, and the hinge is installed on one side of the sash and connected with the window frame, and according to the outward or inward opening, the window is divided into an outside casement window and an inside casement window, and the structure is simple, the opening is flexible, and the cleaning is convenient.

[0003] The outside casement window micro-ventilation limiting device is disclosed in the publication No. CN203729735U, which comprises a frame main body seat and a sash main body seat, the upper part of the frame main body seat is provided with a conversion block, the tail end of the frame main body seat is provided with a clamping block, the frame main body seat is provided with a positioning shaft and a supporting disc, the cylinder between the frame main body seat and the conversion block is provided with a return spring, the sash main body seat is riveted with a pull rod, the end and the middle of the pull rod are respectively provided with a clamping rivet and a windproof rivet, one side of the sash main body seat is provided with a windproof component, the windproof component is provided with a sliding block, the sliding block is provided with a return spring, the anti-theft performance is good, the opening angle is large, the child safety lock device is provided, the child is not easy to open accidentally, and the child falling accident is not easy to occur; when the strong wind weather is encountered, the device is automatically locked, and the safety factor is high.

[0004] Although the above-mentioned outside casement window micro-ventilation limiting device has certain advantages in the safety ability, the building specification requires that the opening limiting of the outside casement window is 30 degrees when it is opened, and the outside casement window is often used as a fire smoke exhaust window in actual use, and the opening needs to reach 70 degrees, which is not convenient to adjust. UTILITY MODEL CONTENTS

[0005] Therefore, in order to solve the above problems, the utility model provides a building outside casement window limiting support fire opening device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a building outside casement window limiting support fire opening device, which comprises a frame main body seat, a sash main body seat and a limiting structure, the frame main body seat and the sash main body seat are hinged, the inner upper side wall of the frame main body seat is provided with the limiting structure, the limiting structure comprises an outer shell, a movable block, a movable rod, an adjusting structure, a connecting block, a first rotating shaft and a second rotating shaft, the inner part of the outer shell is provided with the movable block, the right end surface of the movable block is provided with the movable rod, and the right end of the movable rod extends out of the outer shell, the front end surface of the outer shell is provided with the adjusting structure, the right end of the movable rod is fixedly connected with the connecting block, the left side of the outer shell is rotatably connected with the frame main body seat through the first rotating shaft, and the connecting block is rotatably connected with the sash main body seat through the second rotating shaft.

[0007] Optionally, the adjusting structure comprises an outer frame, a sliding groove, a limiting block, a rotating structure, a first connecting rod, a circular block, a first fixing structure and a second fixing structure, a sliding groove is formed in the middle of the upper end face of the outer frame, the limiting block is installed on the left side of the front end face of the outer frame, the rotating structure is arranged in the inner part of the outer frame, the middle part of the rotating structure is connected with the first connecting rod, the left and right sides of the first connecting rod are respectively attached to the circular block, the circular block is installed and connected with the first fixing structure and the second fixing structure, and the rear end face of the outer frame is installed and connected with the shell.

[0008] Optionally, the rotating structure comprises a second connecting rod, a positioning hole, a sliding block, a third rotating shaft, a tension spring and a limiting rod, the positioning hole is formed in the front side of the upper end face of the second connecting rod, the sliding block is installed in the middle part of the second connecting rod, the upper side of the sliding block extends out of the outer frame, the sliding block is in sliding fit with the inner wall of the sliding groove, the rear side of the second connecting rod is in transmission connection with the first connecting rod through the third rotating shaft, the lower end of the third rotating shaft is in rotary connection with the inner wall of the outer frame through a bearing, one end of the sliding block is connected with the tension spring, the other end of the tension spring is connected with the limiting rod, and the upper end of the limiting rod is fixedly connected with the inner wall of the outer frame.

[0009] Optionally, the second fixing structure comprises a moving block, a T-shaped block, a clamping block and a spring, the T-shaped block is installed on the rear end face of the moving block, the rear side of the T-shaped block is in sliding fit with the inner wall of the clamping block, the rear end face of the T-shaped block is elastically connected with the inner wall of the clamping block through the spring, and the rear side of the moving block is installed and connected with the circular block.

[0010] Optionally, the left and right sides of the first connecting rod are provided with movable grooves, and the circular block is in sliding fit with the inner wall of the movable groove.

[0011] Optionally, the middle part of the limiting block is provided with a positioning hole, and the second connecting rod is detachably connected with the limiting block through a positioning pin.

[0012] Optionally, the tension of the tension spring is greater than the elastic force of the spring.

[0013] Optionally, the rear end face of the clamping block is inclined, and the clamping block slides along the inner wall of the shell.

[0014] The beneficial effects of the present application are as follows:

[0015] The utility model relates a building outer casement window limiting support fire control release device, through being provided with limiting structure, through installing adjusting structure at the front end surface of the shell, taking down the positioning pin, the limiting of second connecting rod is cancelled, through rotating second connecting rod, make first fixed structure move to the front, second fixed structure moves to the back, the limiting of movable block is cancelled, make can open movable block to the right side of the inside of the shell with the spring rebound elasticity and slide to the card, make the opening angle of frame main body seat and fan main body seat be adjusted from 30 DEG to 70 DEG, meet the specification requirement, reach convenient for to the effect that the outer casement window limiting support, be favorable to use as fire control exhaust window. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model,

[0017] Figure 2 It is the plan view of the limiting structure of the utility model,

[0018] Figure 3 It is the plan view of the adjusting structure of the utility model,

[0019] Figure 4 It is the rotation plan view of the adjusting structure of the utility model,

[0020] Figure 5 It is the structure of the utility model Figure 3 A place local enlarged view of,

[0021] Figure 6 It is the plan view of the second fixed structure of the utility model.

[0022] Among them: frame main body seat -1, fan main body seat -2, limiting structure -3, shell -31, movable block -32, movable rod -33, adjusting structure -34, connecting block -35, first rotation axis -36, second rotation axis -37, outer frame -341, sliding groove -342, limiting block -343, rotation structure -344, first connecting rod -345, round block -346, first fixed structure -347, second fixed structure -348, second connecting rod -3441, positioning hole -3442, sliding block -3443, third rotation axis -3444, tension spring -3445, limiting rod -3446, moving block -3481, T-shaped block -3482, clamping block -3483, spring -3484. DETAILED DESCRIPTION

[0023] In order to further explain the technical scheme of the utility model, the following specific embodiment is elaborated in detail.

[0024] Please refer to Figures 1-2The utility model provides a kind of building outer casement window limiting support fire-fighting release device, including frame main body seat 1, fan main body seat 2 and limiting structure 3, frame main body seat 1 and fan main body seat 2 are hinged, the inside upper side wall of frame main body seat 1 is installed with limiting structure 3, limiting structure 3 includes shell 31, movable block 32, movable rod 33, adjusting structure 34, connecting block 35, first rotating shaft 36 and second rotating shaft 37, the inside of shell 31 is provided with movable block 32, the right end surface of movable block 32 is installed with movable rod 33, and the right end of movable rod 33 extends shell 31, the front end surface of shell 31 is installed with adjusting structure 34, the right end of movable rod 33 is fixedly connected with connecting block 35, the left side of shell 31 is rotatably connected with frame main body seat 1 by first rotating shaft 36, connecting block 35 is rotatably connected with fan main body seat 2 by second rotating shaft 37.

[0025] Please refer to Figures 3-4 The utility model provides a kind of building outer casement window limiting support fire-fighting release device, adjusting structure 34 includes outer frame 341, sliding slot 342, limiting block 343, rotating structure 344, first connecting rod 345, round block 346, first fixed structure 347 and second fixed structure 348, the middle part of the upper end surface of outer frame 341 is equipped with sliding slot 342, the left side of the front end surface of outer frame 341 is installed with limiting block 343, the inside of outer frame 341 is provided with rotating structure 344, the middle part of rotating structure 344 is connected with first connecting rod 345, the left and right sides of first connecting rod 345 are respectively pasted with round block 346, round block 346 is installed with first fixed structure 347 and second fixed structure 348 respectively, the rear end surface of outer frame 341 is installed with shell 31, the left and right sides of first connecting rod 345 are equipped with movable slot, and round block 346 and the inner wall of movable slot are slidably matched, to facilitate driving round block 346 to move back and forth.

[0026] Please refer to Figures 5-6The utility model provides a kind of building outer casement window limiting support fire release device, rotating structure 344 includes second connecting rod 3441, positioning hole 3442, sliding block 3443, third rotating shaft 3444, tension spring 3445 and limiting rod 3446, the upper end face front side of second connecting rod 3441 is equipped with positioning hole 3442, the middle part of second connecting rod 3441 is equipped with sliding block 3443, the upper side of sliding block 3443 projects outer frame 341, and sliding block 3443 and the inner wall of sliding groove 342 are slidably matched, the rear side of second connecting rod 3441 is connected with first connecting rod 345 by third rotating shaft 3444, and the lower end of third rotating shaft 3444 is rotatably connected with the inner wall of outer frame 341 by bearing, one end of sliding block 3443 is connected with tension spring 3445, and the other end of tension spring 3445 is connected with limiting rod 3446, the upper end of limiting rod 3446 is fixedly connected with the inner wall of outer frame 341, second fixed structure 348 includes moving block 3481, T-shaped block 3482, clamping block 3483 and spring 3484, the rear end surface of moving block 3481 is equipped with T-shaped block 3482, the rear side of T-shaped block 3482 and the inner wall of clamping block 3483 are slidably matched, the rear end surface of T-shaped block 3482 is elastically connected with the inner wall of clamping block 3483 by spring 3484, the rear side of moving block 3481 is connected with round block 346, the middle part of limiting block 343 is equipped with positioning hole 3442, second connecting rod 3441 is detachably connected with limiting block 343 by positioning pin, it is favorable to the limiting of second connecting rod 3441, the tension of tension spring 3445 is greater than the elasticity of spring 3445, to avoid that first connecting rod 345 rotates automatically, the rear end surface of clamping block 3483 is inclined, and clamping block 3483 slides along the inner wall of shell 31, and it is convenient to limit movable block 32.

[0027] Working principle is as follows:

[0028] First, first install the frame main body seat 1 of the novel device in the position required;

[0029] Second, by pulling out the positioning pin, the limiting of second connecting rod 3441 is released, and then second connecting rod 3441 can be rotated, and the sliding cooperation of second connecting rod 3441 and sliding groove 342 makes that second connecting rod 3441 drives first connecting rod 345 to rotate by third rotating shaft 3444, while sliding block 3443 pulls tension spring 3445 to stretch, and first connecting rod 345 drives round block 346 to move;

[0030] Third, the moving block 3481 of the second fixed structure 348 is driven to move backward by the round block 346, the T-shaped block 3482 is driven to move backward by the moving block 3481, the clamping block 3483 is driven to move backward by the T-shaped block 3482, the first fixed structure 347 moves in the same principle, so that the clamping block 3483 of the first fixed structure 347 moves forward, the limiting of the movable block 32 is released, the second connecting rod 3441 is rotated to the position, and the auxiliary limiting is carried out through the pulling force of the tension spring 3445, so that the state switching of the first fixed structure 347 and the second fixed structure 348 is carried out;

[0031] Fourth, by opening the fan body seat 2 outward, the fan body seat 2 drives the connecting block 35 to move through the second rotating shaft 37, the connecting block 35 drives the movable block 32 to slide along the inner wall of the shell 31 through the movable rod 33, the movable block 32 slides to the right to the right inner wall of the shell 31 by the resilience of the spring 3484 of the second fixed structure 348, so that the movable block 32 is limited by the clamping block 3483 of the second fixed structure 348, so that the frame body seat 1 and the fan body seat 2 are adjusted from an included angle of 30° to 70°, which meets the specification requirements, and the effect of facilitating the limiting support of the outwardly opening window is achieved, which is beneficial to use as a fire smoke exhaust window.

[0032] The control mode of the utility model is controlled by manually starting and closing switch, and the wiring diagram of power element and the provision of power supply belong to the public knowledge in the art, and the utility model is mainly used for protecting mechanical device, so the control mode and wiring arrangement of the utility model will not be explained in detail.

[0033] The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of the technical personnel in the art, and the provision of power supply also belongs to the public knowledge in the art, and the utility model is mainly used for protecting mechanical device, so the control mode and circuit connection of the utility model will not be explained in detail.

[0034] The above only is the preferred example of the utility model and is not used for limiting the utility model, although the utility model is explained in detail with reference to the foregoing embodiments, the technical scheme recorded in the foregoing embodiments can still be modified or equivalent replaced for the technical personnel in the art. Any modification, equivalent replacement, improvement etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A fire escape limiting support releasing device for an architectural exterior casement window, characterized by: The application relates to a frame and fan limiting structure, which comprises a frame body seat (1), a fan body seat (2) and a limiting structure (3), the frame body seat (1) and the fan body seat (2) are hinged, a limiting structure (3) is arranged on the upper inner wall of the frame body seat (1), the limiting structure (3) comprises a shell (31), a movable block (32), a movable rod (33), an adjusting structure (34), a connecting block (35), a first rotating shaft (36) and a second rotating shaft (37), the inside of the shell (31) is provided with the movable block (32), the right end surface of the movable block (32) is provided with the movable rod (33), the right end of the movable rod (33) extends out of the shell (31), the front end surface of the shell (31) is provided with the adjusting structure (34), the right end of the movable rod (33) is fixedly connected with the connecting block (35), the left side of the shell (31) is rotationally connected with the frame body seat (1) through the first rotating shaft (36), and the connecting block (35) is rotationally connected with the fan body seat (2) through the second rotating shaft (37).

2. The limiting support fire opening releasing device for the building outside casement window according to claim 1, characterized in that: The adjusting structure (34) comprises an outer frame (341), a sliding groove (342), a limiting block (343), a rotating structure (344), a first connecting rod (345), a circular block (346), a first fixing structure (347) and a second fixing structure (348), the upper middle part of the outer frame (341) is provided with the sliding groove (342), the left side of the front end surface of the outer frame (341) is provided with the limiting block (343), the inside of the outer frame (341) is provided with the rotating structure (344), the middle part of the rotating structure (344) is connected with the first connecting rod (345), the left and right sides of the first connecting rod (345) are respectively attached to the circular block (346), and the circular block (346) is fixedly connected with the first fixing structure (347) and the second fixing structure (348), and the rear end surface of the outer frame (341) is fixedly connected with the shell (31).

3. The limiting support fire opening releasing device for an outside casement window of a building according to claim 2, characterized in that: The rotating structure (344) comprises a second connecting rod (3441), a positioning hole (3442), a sliding block (3443), a third rotating shaft (3444), a tension spring (3445) and a limiting rod (3446), the front side of the upper end surface of the second connecting rod (3441) is provided with the positioning hole (3442), the middle part of the second connecting rod (3441) is provided with the sliding block (3443), the upper side of the sliding block (3443) extends out of the outer frame (341), the sliding block (3443) is in sliding fit with the inner wall of the sliding groove (342), the rear side of the second connecting rod (3441) is in transmission connection with the first connecting rod (345) through the third rotating shaft (3444), the lower end of the third rotating shaft (3444) is rotationally connected with the inner wall of the outer frame (341) through a bearing, one end of the sliding block (3443) is connected with the tension spring (3445), the other end of the tension spring (3445) is connected with the limiting rod (3446), and the upper end of the limiting rod (3446) is fixedly connected with the inner wall of the outer frame (341).

4. The limiting support fire opening releasing device for the building's outside casement window according to claim 2, characterized in that: The second fixing structure (348) comprises a moving block (3481), a T-shaped block (3482), a clamping block (3483) and a spring (3484), the rear end surface of the moving block (3481) is provided with the T-shaped block (3482), the rear side of the T-shaped block (3482) is in sliding fit with the inner wall of the clamping block (3483), the rear end surface of the T-shaped block (3482) is elastically connected with the inner wall of the clamping block (3483) through the spring (3484), and the rear side of the moving block (3481) is in mounting connection with the circular block (346).

5. The limiting support fire opening releasing device for the building's outside casement window according to claim 2, characterized in that: The first connecting rod (345) is provided with a movable groove on the left side and the right side, and the circular block (346) is in sliding fit with the inner wall of the movable groove.

6. The limiting support fire opening releasing device for an outside casement window of a building according to claim 3, characterized in that: The middle part of the limiting block (343) is provided with a positioning hole (3442), and the second connecting rod (3441) is detachably connected with the limiting block (343) through a positioning pin.

7. The limiting support fire opening releasing device for the building's outside casement window according to claim 3, characterized in that: The tension of the tension spring (3445) is greater than the elastic force of the spring (3484).

8. The limiting support fire opening releasing device for an outside casement window of a building according to claim 4, characterized in that: The rear end surface of the clamping block (3483) is inclined, and the clamping block (3483) slides along the inner wall of the shell (31).

Citation Information

Patent Citations

  • Micro-ventilating limiting device for external casement window

    CN203729735U