CN108625720B - Window closing device - Google Patents

Abstract

The invention discloses a window closer, which comprises an elastic device and a temperature control supporting device; the temperature control supporting device comprises a shell, a supporting rod and a fixing seat; the shell is internally provided with a temperature sensing glass piece, an elastic piece, a wane and a positioning piece; one end of the temperature sensing glass piece is fixed at a position which does not move relative to the shell, and the other end of the temperature sensing glass piece is fixed on the wane; one end of the positioning piece penetrates out of the outer shell, and when the temperature-sensing glass piece is in a normal temperature state, one end of the positioning piece penetrates through a positioning hole at one end of the supporting rod; the positioning piece is linked with the rocker and moves along with one end of the rocker in the same direction; the elastic piece is arranged between the inner wall of the shell and the rocker, when the temperature-sensing glass piece is in a normal temperature state, the elastic piece is in an elastic deformation state and generates acting force on the rocker, and when the temperature-sensing glass piece returns to a normal state from the elastic deformation state, the elastic piece drives the two ends of the rocker to respectively move reversely and drives the positioning piece and the supporting rod to be separated; the other end of the supporting rod is connected with the fixing seat. The invention has simpler structure and is easy to install, maintain and reset.

Description

A window closer

Technical Field

The invention relates to a window closer, in particular to a window closer which switches based on a temperature control principle.

Background technique

Existing window closers are mainly divided into electric window closers and mechanical window closers, which are usually used for fireproof windows. Under normal circumstances, they can open and fix the fireproof windows to achieve ventilation or lighting. When a fire occurs, they can automatically close the windows to prevent air circulation and control the spread of the fire. At present, mechanical window closers usually use temperature sensors as starting elements. When a fire occurs, the shape change of the temperature sensors triggers the window closer to close the window. However, the existing mechanical window closers have a complex structure and are difficult to install and maintain. They are also difficult to reset and put into use after experiencing a fire hazard. Moreover, it is often the case that the window cannot be closed after being triggered.

Summary of the invention

In view of the deficiencies in the prior art, the present invention aims to provide a window closer with a simpler structure, which is easy to install, maintain and reset, has low resistance to window closing, and has high reliability, thus avoiding the problem of the window being unable to be closed.

In order to achieve the above object, the present invention adopts the following technical solution:

A window closer comprises an elastic device and a temperature control support device; when the window is in an open state, the elastic device is in an energy-storing state;

The temperature control support device comprises an outer shell, a support rod and a fixing seat; a temperature-sensitive glass piece, at least one elastic piece, a seesaw and a positioning piece are arranged in the outer shell; one end of the temperature-sensitive glass piece is fixed in a position where it does not move relative to the outer shell, and the other end is fixed to the seesaw; one end of the positioning piece passes through the outside of the outer shell, and when the temperature-sensitive glass piece is at room temperature, one end of the positioning piece passes through a positioning hole at one end of the support rod; the positioning piece is linked with the seesaw and moves in the same direction as one end of the seesaw; the elastic piece is arranged between the inner wall of the outer shell and the seesaw, and when the temperature-sensitive glass piece is at room temperature, the elastic piece is in a state of elastic deformation and exerts a force on the seesaw, and when it returns to normal from the state of elastic deformation, it will drive the two ends of the seesaw to move in opposite directions respectively, and drive one end of the positioning piece and the positioning hole at one end of the support rod to disengage; the other end of the support rod is connected to the fixing seat.

It should be noted that when the above window closer is applied to the fireproof window, the two ends of the elastic device are respectively installed on the window and the window frame, the housing of the temperature control support device is installed on the window frame, and the fixing seat is installed on the window. When it is at room temperature, one end of the positioning member passes through the positioning hole at one end of the support rod. At this time, the fireproof window can be opened by using the support rod. When it encounters high temperature conditions such as fire, the temperature-sensitive glass member breaks, and the elastic member returns to the normal state from the elastic deformation state, and drives the two ends of the seesaw to move in opposite directions, thereby driving one end of the positioning member to escape from the positioning hole at one end of the support rod. After the support rod loses the limiting force of the positioning member, it cannot support the window to open, and the fireproof window will automatically close under the action of the elastic device.

Furthermore, the elastic member includes an elastic member 1 and an elastic member 2; the elastic member 1 is arranged at one end of the outer shell, and the elastic member 2 is arranged at the other end of the outer shell. When the temperature-sensitive glass member is at room temperature, the elastic member 1 and the elastic member 2 are in a state of elastic deformation, and after the temperature-sensitive glass member is broken, they will respectively generate opposite forces on the two ends of the seesaw.

Furthermore, the elastic member is a spring.

Furthermore, the other end of the positioning member passes through one end of the seesaw; the positioning member is provided with a return member and a driving member, the return member and the driving member are respectively located on both sides of the seesaw, and the return member and one end of the positioning member are located on the same side of the seesaw.

Furthermore, the window closer also includes a guide wheel, which is arranged on the outer wall of the shell; a slide groove is provided in the support rod, and the guide wheel is installed in the slide groove, and the support rod and the guide wheel can slide relative to each other; one end of the support rod is rotatably connected to the fixed seat.

Furthermore, one end of the support rod is rotatably connected to the fixing seat via a pulley.

Furthermore, the guide wheel is sleeved on a portion of one end of the positioning member that passes through the outside of the outer shell.

Further, the side portion of the seesaw and the housing are rotatably connected to each other.

Furthermore, the other end of the positioning member passes through the exterior of the housing and is fixedly connected to a handle.

The beneficial effects of the present invention are:

1. The structure of the present invention is simple. Only a few parts such as temperature-sensitive glass, elastic parts, seesaw, positioning parts, support rods, etc. are used to realize the support and temperature-controlled automatic closing of the window. The installation is quick and simple, and it is easy to reset and put into use again after experiencing a fire hazard.

2. The window has guiding and buffering properties when closing, with small resistance and high reliability, which can effectively avoid the situation where the window cannot be closed due to excessive resistance.

3. The structure is compact, which effectively reduces the overall volume of the window closer and has a wider range of applications.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram showing the overall structure and installation of a window closer according to an embodiment of the present invention;

FIG2 is a schematic structural diagram of the elastic device in FIG1 ;

FIG3 is a schematic diagram of the external structure of the temperature control support device in FIG1 ;

FIG4 is a schematic diagram of the specific structure of the temperature control support device in FIG1 ;

FIG5 is a schematic diagram of the specific structure of the support rod in FIG3 ;

FIG. 6 is a schematic diagram of the connection between one end of the support rod and the fixing seat in FIG. 3 .

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings. It should be noted that the following embodiments are based on the present technical solution and provide detailed implementation methods and specific operating processes, but the protection scope of the present invention is not limited to these embodiments.

As shown in FIG1 , a window closer includes an elastic device 100 and a temperature control support device 101; the two ends of the elastic device 100 are respectively connected to a window 102 and a window frame 103, and when the window is in an open state, the elastic device 100 is in a stretched state. The elastic device 100 can be a general elastic device used in existing elastic doors and elastic windows, as shown in FIG2 .

As shown in Figures 3-4, the temperature control support device 101 includes an outer shell 1, a support rod 8 and a fixing seat 9 fixed to a window frame 103 (in this embodiment, through a fixing plate 14); a temperature-sensitive glass member 2 (a tubular temperature-sensitive glass member is used in this embodiment), an elastic member, a rocker plate 4, and a positioning member 6 (a rod-shaped positioning member is used in this embodiment) are arranged in the outer shell 1.

In this embodiment, the seesaw 4 is transversely disposed in the housing 1 . The temperature-sensitive glass 2 is disposed at one end of the housing 1 , with one end fixed to the inner top of the housing 1 and the other end fixed to the other end of the seesaw 4 .

The positioning member 6 is arranged at the other end of the housing 1, and one end of the positioning member 6 passes through the outside of the housing 1 upward. The positioning member 6 is linked with the seesaw 4, and moves upward or downward together with one end of the seesaw 4. The elastic member is arranged between the inner top of the housing 1 and the seesaw 4 and exerts a force on the seesaw 4. When it returns to normal from the elastic deformation state, it drives one end of the seesaw 4 to move downward and the other end to tilt upward; when the temperature-sensitive glass member 2 is at room temperature, the elastic member is in an elastic deformation state, and one end of the positioning member 6 passes through the positioning hole 82 at one end of the support rod 8. The fixing seat 9 is fixed on the window 102, and the other end of the support rod 8 is connected to the fixing seat 9.

The working principle of the above-mentioned window closer is as follows: under normal temperature conditions, the temperature-sensitive glass piece serves as a support piece in a balanced state, the elastic piece is in a state of elastic deformation, and one end of the positioning piece passes through the positioning hole on the support rod 8. One end of the support rod cannot move under the restriction of the positioning piece, so the window is in an open state under the action of the support rod, and the elastic device is in an energy storage state at this time. When a fire occurs, the temperature-sensitive glass piece breaks under high temperature, and the supporting force that maintains the balanced state disappears, and the elastic piece returns to normal from the state of elastic deformation, driving one end of the seesaw to move downward and the other end to tilt upward. The positioning piece moves downward under the drive of one end of the seesaw and detaches from the positioning hole of the support rod, then the resistance that limits the rotation of the support rod disappears, the elastic device returns to normal without resistance, and drives the window to close.

In this embodiment, the elastic member includes an elastic member 1 3 and an elastic member 2 5; the elastic member 1 3 is arranged at one end of the outer shell, one end of which is fixed to the inner top of the outer shell 1, and the other end is fixed to the other end of the seesaw 4; the elastic member 2 5 is arranged at the other end of the outer shell 1, and is located between the inner top of the outer shell 1 and one end of the seesaw 4; when the temperature-sensitive glass member is at room temperature, the elastic member 1 is in a stretched state, and the elastic member 2 is in a compressed state.

Under the above setting of this embodiment, after the temperature-sensitive glass component breaks, the elastic component contracts and exerts a force on the seesaw, effectively ensuring that the two ends of the seesaw move upward and downward respectively, exerting sufficient force on the positioning component and driving it to move downward and separate from the support rod.

In this embodiment, the elastic member 1 is a tension spring, and the elastic member 2 is a compression spring. The spring stiffness coefficient is small, which can further facilitate installation.

Furthermore, the second elastic member 5 is sleeved outside the positioning member 6 .

Furthermore, the other end of the positioning member 6 passes through one end of the seesaw 4; the positioning member 6 is provided with a return member 10 and a driving member 11, the return member 10 is located between one end of the seesaw 4 and the inner top of the housing 1 (in this embodiment, specifically located between the top of the elastic member 2 5 and the inner top of the housing 1), and the driving member 11 is located below one end of the seesaw 4. In this embodiment, the return member is a screw, which is threadedly fixed to the positioning member and is perpendicular to the positioning member. The driving member is a latch, which is plugged and fixed to the positioning member and is perpendicular to the positioning member.

After the temperature-sensitive glass is broken, as one end of the seesaw moves downward, the end of the seesaw exerts a downward force on the driving member, thereby driving the positioning member to move downward and disengage from the positioning hole of the support rod. When a new temperature-sensitive glass is added to the window closer and the window closer is reset, the end of the seesaw moves upward again, which exerts an upward force on the return member, and the return member moves upward together with the positioning member and is reinserted into the positioning hole of the support rod.

In this embodiment, the window closer also includes a guide wheel 7, which is arranged on the outer top of the shell 1; as shown in Figure 5, a slide groove 81 is provided in the support rod 8, and the guide wheel 7 is installed in the slide groove 81, and the support rod 8 and the guide wheel 7 can slide relative to each other; the other end of the support rod 8 is rotatably connected to the fixed seat 9.

When the temperature-sensitive glass component breaks and the positioning component is separated from the positioning hole of the support rod, the window is closed by the elastic device. When closing, the guide wheel slides along the slide groove of the support rod, thereby guiding the movement of the support rod. The support rod rotates around the other end of the support rod under the guidance of the guide wheel until the window is completely closed.

Through the above arrangement, the window can be closed more stably, the guide wheel and the slide groove play a guiding and buffering role, and the sliding resistance of the guide wheel and the slide groove structure is small and the reliability is high, which effectively avoids the situation where the window cannot be closed due to excessive resistance.

In this embodiment, an end cover 83 is provided at the other end of the support rod 8 .

Furthermore, the guide wheel 7 is rotatably sleeved on the portion of one end of the positioning member 5 that passes through the outside of the housing 1. This arrangement can make the top surface of the housing not need a large area to accommodate the installation of various components, thereby effectively saving space.

In this embodiment, the seesaw 4 and the housing 1 are rotatably connected to each other. Further, the seesaw 4 and the housing 1 are rotatably connected to each other via a rotation pin 12.

In this embodiment, the other end of the positioning member 6 passes downward out of the housing 1 and is fixedly connected to a handle 13. Furthermore, a plastic sleeve 15 is sleeved at the connection between the other end of the positioning member 6 and the housing 1. The plastic sleeve 15 can reduce the friction between the positioning member 6 and the housing 1 during the up and down movement.

By setting the handle, under normal circumstances, the positioning member 6 can be pulled downward by operating the handle to separate the positioning member 6 from the support rod 8, thereby achieving the closing of the window.

As shown in Fig. 6, in this embodiment, the other end of the support rod 8 is rotatably connected to the fixing base 1 through a pulley 16. Specifically, in this embodiment, the pulley 16 and the other end of the support rod 8 are rotatably connected through a screw 17, and another plastic sleeve 18 is sleeved at the connection between the pulley 16 and the support rod 8 to reduce friction.

For those skilled in the art, various corresponding changes and modifications can be made according to the above technical solutions and concepts, and all of these changes and modifications should be included in the protection scope of the claims of the present invention.

Claims (7)

1. A window closer, comprising an elastic device and a temperature control support device; when the window is in an open state, the elastic device is in an energy-storing state; characterized in that: The temperature control support device comprises a shell, a support rod and a fixing seat; a temperature-sensitive glass piece, at least one elastic piece, a seesaw and a positioning piece are arranged in the shell; one end of the temperature-sensitive glass piece is fixed at a position where it does not move relative to the shell, and the other end is fixed to the seesaw; one end of the positioning piece passes through the outside of the shell, and when the temperature-sensitive glass piece is at room temperature, one end of the positioning piece passes through the positioning hole at one end of the support rod; the positioning piece is linked with the seesaw and moves in the same direction as one end of the seesaw; the elastic piece is arranged between the inner wall of the shell and the seesaw, and when the temperature-sensitive glass piece is at room temperature, the elastic piece is in a state of elastic deformation and exerts a force on the seesaw, and when it recovers from the elastic deformation state to the normal state, it drives the two ends of the seesaw to move in opposite directions respectively, and drives one end of the positioning piece and the positioning hole at one end of the support rod to disengage; the other end of the support rod is connected to the fixing seat; the side of the seesaw and the shell are rotatably connected to each other; the other end of the positioning piece passes through the outside of the shell and is fixedly connected to a handle; The temperature-sensitive glass piece serves as a supporting piece in a balanced state. When the elastic piece is in a state of elastic deformation, one end of the positioning piece passes through the positioning hole on the supporting rod, and one end of the supporting rod cannot move under the restriction of the positioning piece. Therefore, the window is in an open state under the action of the supporting rod, and the elastic device is in a state of energy storage at this time; when encountering a fire, the temperature-sensitive glass piece breaks under a high temperature state, and the supporting force maintaining the balanced state disappears, and the elastic piece returns to normal from the state of elastic deformation, driving one end of the seesaw to move downward and the other end to tilt upward. The positioning piece moves downward under the drive of one end of the seesaw and disengages from the positioning hole of the supporting rod, then the resistance limiting the rotation of the supporting rod disappears, and the elastic device returns to normal without resistance, and drives the window to close. 2. The window closer according to claim 1 is characterized in that the elastic member comprises an elastic member 1 and an elastic member 2; the elastic member 1 is arranged at one end of the outer shell, and the elastic member 2 is arranged at the other end of the outer shell, when the temperature-sensitive glass member is at room temperature, the elastic member 1 and the elastic member 2 are in a state of elastic deformation, and after the temperature-sensitive glass member is broken, they will respectively generate opposite forces on the two ends of the seesaw. 3. The window closer according to any one of claims 1-2, characterized in that the elastic member is a spring. 4. The window closer according to claim 1 is characterized in that the other end of the positioning member passes through one end of the seesaw; the positioning member is provided with a return member and a driving member, the return member and the driving member are respectively located on both sides of the seesaw, and the return member and one end of the positioning member are located on the same side of the seesaw. 5. The window closer according to claim 1 is characterized in that the window closer also includes a guide wheel, which is arranged on the outer wall of the shell; a slide groove is provided in the support rod, the guide wheel is installed in the slide groove, and the support rod and the guide wheel can slide relative to each other; one end of the support rod is rotatably connected to the fixed seat. 6 . The window closer according to claim 5 , wherein one end of the support rod is rotatably connected to the fixing seat via a pulley. 7. The window closer according to claim 5, characterized in that the guide wheel is sleeved on a portion of one end of the positioning member that passes through the outside of the housing.