阅读说明：本技术 闭窗器和内开内倒窗 (Window closer and inward opening and inward tilting window ) 是由 卜红枚 解延福 王惠琴 于 2019-12-18 设计创作，主要内容包括：本发明公开了一种闭窗器和内开内倒窗,闭窗器包括第一弹性部件,具有固定端和活动端；限位机构,将第一弹性部件的活动端限位,使第一弹性部件处于压缩状态,限位机构能够在检测到火灾发生后释放第一弹性部件；导向部件；拉索,绕过导向部件,拉索能够随释放的第一弹性部件的活动端扯回。内开内倒窗,包括的闭窗器。未发生火情时,第一弹性部件处于压缩状态,窗扇可以自由开闭。发生火情时,限位机构释放第一弹性部件,压缩好的第一弹性部件发生反弹,扯回拉索从而使窗扇与窗框闭合。该技术方案采用拉索关闭门窗,安装方式更加自由,不受门窗类型的限制,能够满足诸如内开内倒窗等多种类型门窗的装配使用要求,并在发生火灾时自动关闭门窗。(The invention discloses a window closer and an inward opening and inward tilting window, wherein the window closer comprises a first elastic component, a second elastic component and a third elastic component, wherein the first elastic component is provided with a fixed end and a movable end; the limiting mechanism limits the movable end of the first elastic component to enable the first elastic component to be in a compressed state, and can release the first elastic component after a fire disaster is detected; a guide member; the pull cable bypasses the guide component and can be pulled back along with the movable end of the released first elastic component. An inward opening and inward tilting window comprises a window closer. When fire does not occur, the first elastic part is in a compressed state, and the window sash can be freely opened and closed. When a fire occurs, the limiting mechanism releases the first elastic part, the compressed first elastic part rebounds, and the pull rope is pulled back to close the window sash and the window frame. This technical scheme adopts the cable to close door and window, and the mounting means is more free, does not receive the restriction of door and window type, can satisfy such as the assembly operation requirement of multiple type door and window such as tilt-turn window in opening to self-closing door and window when the conflagration breaks out.)

1. The window closer is characterized in that: comprises that

A first elastic member having a fixed end and a movable end;

the limiting mechanism limits the movable end of the first elastic component to enable the first elastic component to be in a compressed state, and can release the first elastic component after a fire disaster is detected;

a guide member;

and the pull cable bypasses the guide component and can be pulled back along with the released movable end of the first elastic component.

2. The window closer of claim 1, wherein: the limiting mechanism comprises a temperature sensing element.

3. The window closer of claim 2, wherein: the movable end of the first elastic part is provided with a first sliding block, the limiting mechanism further comprises a limiting part, the limiting part is provided with limiting teeth, the temperature sensing element abuts against the limiting part, and the limiting teeth of the limiting part are clamped on the first sliding block.

4. The window closer of claim 3, wherein: the limiting teeth are matched with the sliding blocks through inclined planes, and acting force between the limiting teeth and the sliding blocks has component force for separating the limiting teeth from the sliding blocks.

5. The window closer of claim 3, wherein: the first elastic part and the first sliding block are arranged in the protective tube.

6. The window closer of claim 5, wherein: the limiting mechanism further comprises a mounting seat, the mounting seat is connected with the protective pipe, the limiting part is hinged to the mounting seat, a through hole is formed in the mounting seat and the protective pipe, the limiting tooth penetrates through the through hole to be matched with the first sliding block, a supporting seat is arranged on the mounting seat, and the temperature sensing element is supported between the supporting seat and the limiting part.

7. The window closer of claim 5, wherein: also comprises

The second sliding block is arranged in the protective pipe;

the inhaul cable fixing plate is connected with the second sliding block, and the inhaul cable is connected with the inhaul cable fixing plate;

and the second elastic component is arranged between the first sliding block and the second sliding block, and the elastic coefficient of the first elastic component is greater than that of the second elastic component.

8. The window closer of claim 7, wherein: the cable fixing plate is provided with a positioning and tightening block, one end of the cable is connected with the positioning and tightening block, the other end of the cable is connected with an installation support, a connecting groove is formed in the installation support, a cylindrical terminal is arranged at the end of the cable, the cable is clamped in the connecting groove through the cylindrical terminal, and a fast-assembling clamping nut is arranged on the installation support.

9. The window closer of claim 7, wherein: the far end of the protective tube is provided with a limit screw matched with the second sliding block, a limit sleeve is arranged between the first sliding block and the second sliding block, and the second elastic component is sleeved outside the limit sleeve.

10. Interior window of falling in opening, its characterized in that: a window shutter comprising any one of claims 1 to 9.

Technical Field

The invention is used in the field of fireproof doors and windows, and particularly relates to a window closer and an inward opening and inward tilting window.

Background

Along with the development of the building industry in China, the building doors and windows, particularly the fireproof windows arranged on the outer walls, have higher requirements on the performance of blocking smoke and flame, and prevent the serious loss caused when a fire disaster happens. In order to have better fireproof performance, the fireproof window is required to have the function of automatically closing when a fire disaster happens. Meanwhile, the fireproof window is required to be flexibly opened and closed in the daily use process, and the operation is convenient.

However, in the prior art, in order to realize the function of automatic closing, an automatic closing device with a complex structure needs to be arranged on the fireproof door and window, so that the door and window is large in occupied space, poor in opening and closing flexibility in the daily use process and inconvenient to operate.

In addition, the inward opening and inward falling window can drive the linkage hardware mechanism inside the window by rotating the handle of the window, so that the window is in three different positions of locking, flat opening and inward falling. The inward opening and inward tilting window has various opening states, and in the prior art, the inward opening and inward tilting window can be automatically closed in case of fire.

Disclosure of Invention

The invention aims to solve at least one technical problem in the prior art, and provides a window closer and an inward opening and inward tilting window, which can meet the assembly and use requirements of various doors and windows such as the inward opening and inward tilting window and can automatically close the doors and windows in case of fire.

The technical scheme adopted by the invention for solving the technical problems is as follows:

in a first aspect, a window closer comprises

A first elastic member having a fixed end and a movable end;

the limiting mechanism limits the movable end of the first elastic component to enable the first elastic component to be in a compressed state, and can release the first elastic component after a fire disaster is detected;

a guide member;

and the pull cable bypasses the guide component and can be pulled back along with the released movable end of the first elastic component.

With reference to the first aspect, in certain implementations of the first aspect, the limit mechanism includes a temperature sensing element.

With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, a first sliding block is disposed at a movable end of the first elastic component, the limiting mechanism further includes a limiting component, the limiting component has a limiting tooth, and the temperature sensing element abuts against the limiting component and causes the limiting tooth of the limiting component to clamp the first sliding block.

With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the limit tooth and the slider are matched through an inclined surface, and an acting force between the limit tooth and the slider has a component force that separates the limit tooth from the slider.

With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the slide block further includes a protection tube, and the first elastic component and the first slide block are both disposed in the protection tube.

With reference to the first aspect and the implementation manners described above, in some implementation manners of the first aspect, the limiting mechanism further includes a mounting seat, the mounting seat is connected with the protective tube, the limiting component is hinged to the mounting seat, via holes are formed in the mounting seat and the protective tube, the limiting teeth penetrate through the via holes to be matched with the first sliding block, a supporting seat is arranged on the mounting seat, and the temperature sensing element is supported between the supporting seat and the limiting component.

With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the method further includes

The second sliding block is arranged in the protective pipe;

the inhaul cable fixing plate is connected with the second sliding block, and the inhaul cable is connected with the inhaul cable fixing plate;

and the second elastic component is arranged between the first sliding block and the second sliding block, and the elastic coefficient of the first elastic component is greater than that of the second elastic component.

With the combination of the first aspect and the implementation manners described above, in some implementation manners of the first aspect, a positioning and tightening block is arranged on the cable fixing plate, one end of the cable is connected with the positioning and tightening block, the other end of the cable is connected with the mounting bracket, a connecting groove is formed in the mounting bracket, a cylindrical terminal is arranged at the end of the cable, the cable is clamped in the connecting groove through the cylindrical terminal, and a quick-mounting clamping nut is arranged on the mounting bracket.

With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, a limit screw matched with the second slider is disposed at a distal end of the protection tube, a limit sleeve is disposed between the first slider and the second slider, and the second elastic component is sleeved outside the limit sleeve.

In a second aspect, an inside-opening and inside-reversing window comprises the window closer described in any implementation manner of the first aspect.

One of the above technical solutions has at least one of the following advantages or beneficial effects: when the window closer is used, the main body part of the window closer is connected with a window frame (window sash), the inhaul cable is connected with the window sash (window frame), and when a fire is not generated, the first elastic part is in a compressed state, and the window sash can be freely opened and closed. When a fire occurs, the limiting mechanism releases the first elastic part, the compressed first elastic part rebounds, and the pull rope is pulled back to close the window sash and the window frame. This technical scheme adopts the cable to close door and window, and the mounting means is more free, does not receive the restriction of door and window type, can satisfy such as the assembly operation requirement of multiple type door and window such as tilt-turn window in opening to self-closing door and window when the conflagration breaks out.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a windowed state without a fire in accordance with one embodiment of the present invention;

FIG. 2 is a schematic view of the closed window state in the absence of a fire in the embodiment of FIG. 1;

fig. 3 is a schematic structural diagram of a window closing state in case of fire occurrence according to the embodiment shown in fig. 1.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the present invention, if directions (up, down, left, right, front, and rear) are described, it is only for convenience of describing the technical solution of the present invention, and it is not intended or implied that the technical features referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, it is not to be construed as limiting the present invention.

In the invention, the meaning of "a plurality" is one or more, the meaning of "a plurality" is more than two, and the terms of "more than", "less than", "more than" and the like are understood to exclude the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise specifically limited, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.

The embodiment of the present invention provides a window closer, which can be installed on a window and door to realize an automatic closing function of the window and door after a fire occurs, and the embodiment of the present invention is described by taking the installation on a window as an example, but the present invention is not limited thereto. Referring to fig. 1, the window closer includes a first elastic member 1, a limiting mechanism, a guiding member 2 and a cable 3, wherein the first elastic member 1 has a fixed end and a movable end, and the first elastic member 1 may be a spring, a spring plate, a gas strut, etc. for providing a driving force to pull back the cable 3. When the fire-resistant window is used, the fixed end of the first elastic component 1 is connected with a window sash or a window frame, and the movable end of the first elastic component 1 is directly or indirectly connected with the inhaul cable 3 and used for drawing the inhaul cable 3 after a fire disaster happens. Stop gear and first elastic component 1 direct or indirect cooperation to spacing the expansion end of first elastic component 1, make first elastic component 1 be in compression state, stop gear can release first elastic component 1 after detecting the conflagration and taking place. The guide part 2 can adopt a guide shaft, a guide wheel and the like, and the guide part 2 is used for adjusting the trend of the stay cable 3, so that the stay cable 3 is adjusted to the opening and closing direction of the window sash from the moving direction of the movable end. The cable 3 can adopt the type rope such as wire rope, nylon rope, see figure 1, and the cable 3 is walked around guide member 2, and the one end of cable 3 is connected with the expansion end of first elastic component 1 directly or indirectly, and the cable 3 can be pulled back along with the expansion end of the first elastic component 1 of release, and the other end and the window frame or the casement of cable 3 are connected.

When the window closer is used, the main body part of the window closer is connected with a window frame (window sash), the inhaul cable 3 is connected with the window sash (window frame), and when a fire does not occur, referring to fig. 1 and 2, the first elastic component 1 is in a compressed state, and the window sash can be freely opened and closed. When a fire occurs, referring to fig. 3, the limiting mechanism releases the first elastic member 1, the compressed first elastic member 1 rebounds, and the inhaul cable 3 is pulled back to close the window sash and the window frame. This technical scheme adopts cable 3 to close door and window, and the mounting means is more free, does not receive the restriction of door and window type, can satisfy such as the assembly operation requirement of multiple type door and window such as tilt-turn window in opening to self-closing door and window when the conflagration breaks out.

Wherein, stop gear includes temperature sensing element 4, and temperature sensing element 4 can adopt fusible alloy, temperature sensing glass ball etc. and temperature sensing element 4 structural maintenance integrality before the conflagration takes place to spacing with the expansion end of first elastomeric element 1, temperature sensing element 4 breaks (temperature sensing glass ball), melts (fusible alloy) after the conflagration takes place, thereby removes the spacing to the expansion end of first elastomeric element 1, and first elastomeric element 1 can release, and final drive cable 3 is pulled back.

The temperature sensing element 4 can be directly matched with the movable end of the first elastic component 1 to realize a limiting effect, or can be indirectly matched with the movable end of the first elastic component 1 to realize the limiting effect, for example, in some embodiments, referring to fig. 1, the movable end of the first elastic component 1 is provided with a first sliding block 5, the limiting mechanism further comprises a limiting component 6, the limiting component 6 is provided with a limiting tooth 7, the temperature sensing element 4 abuts against the limiting component 6, and the limiting tooth 7 of the limiting component 6 clamps the first sliding block 5, in this embodiment, the temperature sensing element 4 maintains integrity before a fire occurs, supports the limiting component 6 from the rear side, and the limiting component 6 limits the first sliding block 5 at the movable end of the first elastic component 1 through the limiting tooth 7, so that the first elastic component 1 is in a compressed state. Referring to fig. 3, the temperature-sensitive element 4 is broken (temperature-sensitive glass ball), melted (fusible alloy) after the fire occurs, so that the support of the position-limiting member 6 is released, the position-limiting teeth 7 of the position-limiting member 6 are separated from the first slider 5, the first elastic member 1 is released, and finally the traction cable 3 is driven to be pulled back.

Further, in order to realize the automatic separation of the limiting teeth 7 and the sliding block after a fire disaster occurs, the limiting teeth 7 and the sliding block are matched through an inclined plane, acting force between the limiting teeth 7 and the sliding block has component force for separating the limiting teeth 7 from the sliding block, when the fire disaster occurs, the temperature-sensitive element 4 is broken (temperature-sensitive glass ball) and melted (fusible alloy), so that the support of the limiting component 6 is released, the limiting teeth 7 of the limiting component 6 are automatically separated from the first sliding block 5 under the action of the transverse component force matched with the inclined plane, the first elastic component 1 is released, and finally the inhaul cable 3 is driven to be pulled back.

In some embodiments, the first resilient member 1 and the first slider 5 can be fitted directly in the existing profile groove of the sash or frame, enabling guiding. In other embodiments, referring to fig. 1, 2 and 3, the window frame further comprises a protective tube 8, the first elastic component 1 and the first sliding block 5 are both arranged in the protective tube 8, the first elastic component 1 and the first sliding block 5 are guided through the protective tube 8, and form an assembly, and when the window frame is used, the window frame can be directly assembled with the window sash or the window frame, so that the structure is simpler.

Further, refer to fig. 1, fig. 2, fig. 3, stop gear still includes mount pad 9, mount pad 9 is connected with pillar 8, stop part 6 articulates on mount pad 9, stop part 6 forms the swing arm structure, be equipped with the via hole on mount pad 9 and the pillar 8, spacing tooth 7 passes the via hole and cooperates with first slider 5, be equipped with supporting seat 10 on the mount pad 9, temperature sensing element 4 supports between supporting seat 10 and stop part 6, temperature sensing element 4 supports stop part 6, and make stop part 6's spacing tooth 7 block first slider 5, temperature sensing element 4 structural integrity before the conflagration takes place, stop part 6 is spacing with first slider 5 of first elastic component 1 expansion end through spacing tooth 7, make first elastic component 1 be in compression state. Temperature sensing element 4 breaks (temperature sensing glass ball), melts (fusible alloy) after the conflagration takes place to remove the support to stop part 6, stop part 6 rotates around the pin joint clockwise, and stop part 6's spacing tooth 7 separates with first slider 5, and first elastomeric element 1 can release, and final drive cable 3 is pulled back.

In some embodiments, referring to fig. 1, 2, and 3, the cable protection device further includes a second slider 11, a cable fixing plate 13, and a second elastic member 12, the second slider 11 is disposed in the protection tube 8, the cable fixing plate 13 is connected to the second slider 11, the cable 3 is connected to the cable fixing plate 13, the second elastic member 12 is disposed between the first slider 5 and the second slider 11, and an elastic coefficient of the first elastic member 1 is greater than an elastic coefficient of the second elastic member 12. When the window closing device is used at ordinary times, the inhaul cable 3 can be freely stretched, and the inhaul cable 3 can be compressed or rebounded through the second elastic part 12 to adjust the contraction and extension of the inhaul cable 3, so that the inhaul cable 3 is prevented from being accumulated outside when the window is closed.

In some embodiments, referring to fig. 1, a positioning and tightening block 14 is arranged on the cable fixing plate 13, one end of the cable 3 is connected with the positioning and tightening block 14, the tightness of a screw on the positioning and tightening block 14 can be adjusted to release the length required by the cable 3, the other end of the cable 3 is connected with a mounting bracket 15, a connecting groove is formed in the mounting bracket 15, a cylindrical terminal is arranged at the end of the cable 3, and the cable 3 is clamped in the connecting groove through the cylindrical terminal. The mounting bracket 15 is provided with a fast-assembling clamping nut 16, the mounting bracket 15 can be quickly mounted with a window frame or a window sash, and position adjustment is carried out along an existing profile groove through the fast-assembling clamping nut 16.

In some embodiments, referring to fig. 1 and 2, the distal end of the protection tube 8 is provided with a limit screw 17 cooperating with the second slider 11, and the limit screw 17 can be used for realizing connection with a window frame or a window sash on one hand, and can also be used as the limit part 6 of the second slider 11 on the other hand, so as to prevent the second slider 11 from overtravel. A limiting sleeve 18 is arranged between the first sliding block 5 and the second sliding block 11, the limiting sleeve 18 is connected with the second sliding block 11 through a screw 19, the second elastic part 12 is sleeved outside the limiting sleeve 18, the limiting sleeve 18 provides support and guide for the second elastic part 12 on one hand, and the other hand can protect the compression amount of the second elastic part 12 when being sold.

An embodiment of the invention provides an inward opening and inward tilting window, which comprises the window closer in any one of the above embodiments. The window closer adopts the inhaul cable 3 to pull the window sash to close, and the opening requirements of three different positions of inward opening and inward falling window locking, flat opening and inward falling are met. After the window is installed, no matter in an inward opening window state or an inward reversing window state, a stay cable between a window frame and a window sash stretches due to window opening, the elongation is the largest when the window is opened at the largest angle, and the elongation is the smallest when the window is closed. Namely, the window can be controlled to be closed by the contraction of the guy cable.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.