Locking device of casement window

Abstract

The utility model provides a locking device of a casement window, which relates to the technical field of casement windows, and comprises a window body and a locking mechanism, the window body comprises a window frame, a shielding frame is arranged in the window frame, a pair of open holes is arranged on the inner wall of the window frame, rotating shafts are rotatably connected in the open holes, a glass frame is arranged between the rotating shafts, and a glass plate is embedded in the glass frame. The locking mechanism comprises a first connecting rod and a second connecting rod, a first pin shaft is rotationally connected between the ends, close to each other, of the first connecting rod and the second connecting rod, a groove is formed in the bottom of the glass frame, and a second pin shaft is rotationally connected between the groove and the free end of the first connecting rod; the top of the fixing sleeve is rotationally connected with a third pin shaft, the free end of the second connecting rod is installed on the outer side of the third pin shaft, and clamping teeth are installed on the outer side of the third pin shaft. According to the technical scheme, the problem that after the casement window is installed, the casement window can only be in a fully-opened state or a fully-closed state due to the fact that the position of the window sash cannot be fixed is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of casement windows, and more specifically, particularly relates to a locking device for casement windows. Background Art

[0002] Casement windows are a type of window used in residential houses. The window sash opens and closes in a horizontal direction, so it is called a "casement window".

[0003] Casement windows are used in many rooms due to their large opening area, good ventilation, good sealing, excellent sound insulation, heat preservation, and anti-seepage properties. However, after installation, most of these windows cannot be fixed in position, so they can only be fully open or fully closed. In the fully open state, infants and young children can easily fall from high altitudes when climbing through the windows, with disastrous consequences, and it is easy for criminals to take advantage of the opportunity, which poses a great safety hazard. At the same time, in the fully closed state, the indoor air cannot circulate naturally, which directly affects the physical and mental health of the people indoors. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a locking device for a casement window to solve the problems mentioned in the background technology.

[0005] The purpose and effect of the locking device of the casement window of the utility model are achieved by the following specific technical means:

[0006] A locking device for a casement window comprises a window body and a locking mechanism, wherein the window body comprises a window frame, a shielding frame is installed inside the window frame, a pair of openings are opened in the inner wall of the window frame, a rotating shaft is rotatably connected in the opening, a glass frame is installed between the rotating shafts, and a glass plate is embedded in the glass frame, the locking mechanism comprises a first connecting rod and a second connecting rod, a first pin is rotatably connected between the ends of the first connecting rod and the second connecting rod close to each other, a groove is opened at the bottom of the glass frame, and a second pin is rotatably connected between the groove and the free end of the first connecting rod, a fixing sleeve is installed at the inner bottom of the shielding frame, a third pin is rotatably connected to the top of the fixing sleeve, the free end of the second connecting rod is installed on the outer side of the third pin, a latch tooth is installed on the outer side of the third pin, a connecting block is installed inside the fixing sleeve, a fourth pin is connected to the inside of the fixing sleeve through a torsion spring, a clamp block is installed on the outer side of the fourth pin, a spring is connected between the clamp block and the connecting block, and the clamp block and the clamp tooth are engaged and connected.

[0007] Furthermore, a connecting groove is provided on the outer side of the clamping block, a connecting shaft is rotatably connected inside the connecting groove, a pull rod is installed on the outer side of the connecting shaft, a through hole is provided on the outer side of the fixing sleeve, and the pull rod slides in the through hole.

[0008] Furthermore, a connection frame is installed on the outer side of the glass frame, and the positions of the connection frame and the shielding frame correspond to each other.

[0009] Furthermore, a sealing strip is adhered to the outer side of the glass frame.

[0010] Furthermore, a lock body is embedded in one side of the glass frame, a lock handle is rotatably connected to the outer side of the glass frame, and the lock handle is transmission-connected to a lock tongue in the lock body, a lock buckle is embedded in one side of the window frame, and the lock tongue and the lock buckle are engaged with each other.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The glass frame is made capable of rotating by utilizing the opening and the rotating shaft, so that its unfolding angle can be changed within a certain range. At the same time, when the glass frame rotates, the two ends of the first connecting rod and the second connecting rod will also rotate, thereby rotating the third pin shaft and driving the latching teeth to rotate. When the latch block is not engaged with the latching teeth, the latching teeth can rotate freely. When the latch block is engaged with the latching teeth, the latching teeth cannot rotate. At this time, the position of the glass frame will also be fixed, thereby solving the problem that after the casement window is installed, the position of the window sash cannot be fixed, so that it can only be in a fully open or fully closed state. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a stereogram of the utility model.

[0014] Figure 2 This utility model Figure 1 A magnified schematic diagram of the structure in the middle.

[0015] Figure 3 It is a cross-sectional view of the utility model.

[0016] Figure 4 This utility model Figure 3 A magnified schematic diagram of the structure at B in the figure.

[0017] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0018] 100, window body; 1001, window frame; 1002, connecting frame; 1003, glass frame; 1004, shielding frame; 1005, lock handle; 200, locking mechanism; 2001, first connecting rod; 2002, second connecting rod; 2003, first pin shaft; 2004, groove; 2005, fixing sleeve; 2006, third pin shaft; 2007, latching tooth; 2008, latching block; 2009, fourth pin shaft; 2010, connecting block; 2011, spring; 2012, connecting groove; 2013, pull rod. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0020] Example:

[0021] As attached Figure 1-Figure 4 As shown:

[0022] The utility model provides a locking device for a casement window, comprising a window body 100 and a locking mechanism 200, wherein the window body 100 comprises a window frame 1001, a shielding frame 1004 is installed inside the window frame 1001, a pair of openings are opened on the inner wall of the window frame 1001, a rotating shaft is rotatably connected in the openings, a glass frame 1003 is installed between the rotating shafts, and a glass plate is embedded in the glass frame 1003, the locking mechanism 200 comprises a first connecting rod 2001 and a second connecting rod 2002, the first connecting rod 2001 and the second connecting rod 2004 are connected to each other, and the locking mechanism 200 comprises a first connecting rod 2001 and a second connecting rod 2002. A first pin 2003 is rotatably connected between the ends of the first connecting rod 2002 that are close to each other, a groove 2004 is provided at the bottom of the glass frame 1003, and a second pin is rotatably connected between the groove 2004 and the free end of the first connecting rod 2001, a fixing sleeve 2005 is installed at the inner bottom of the shielding frame 1004, and a third pin 2006 is rotatably connected to the top of the fixing sleeve 2005, the free end of the second connecting rod 2002 is installed on the outer side of the third pin 2006, and a latching tooth 2007 is installed on the outer side of the third pin 2006 The fixing sleeve 2005 is provided with a connecting block 2010, the fixing sleeve 2005 is provided with a fourth pin 2009 connected thereto via a torsion spring, a clamping block 2008 is provided on the outer side of the fourth pin 2009, a spring 2011 is connected between the clamping block 2008 and the connecting block 2010, and the clamping block 2008 is engaged with the clamping teeth 2007, and the glass frame 1003 is provided with a rotating ability by using the opening and the rotating shaft, so that the unfolding angle thereof can be changed within a certain range, and at the same time, when the glass frame 1003 rotates, the first connecting rod 200 1 and both ends of the second connecting rod 2002 will also rotate, thereby rotating the third pin shaft 2006 and driving the latching tooth 2007 to rotate. When the block 2008 is not engaged with the latching tooth 2007, the latching tooth 2007 can rotate freely. When the block 2008 is engaged with the latching tooth 2007, the latching tooth 2007 cannot rotate. At this time, the position of the glass frame 1003 will also be fixed, thereby solving the problem that after the casement window is installed, the position of the window sash cannot be fixed, so that it can only be in a fully open or fully closed state.

[0023] Among them, a connecting groove 2012 is provided on the outer side of the block 2008, and a connecting shaft is rotatably connected inside the connecting groove 2012. A pull rod 2013 is installed on the outer side of the connecting shaft. A through hole is provided on the outer side of the fixed sleeve 2005. The pull rod 2013 slides in the through hole. The pull rod 2013 is pulled to rotate the block 2008 to disengage from the latch tooth 2007. At this time, the latch tooth 2007 can rotate freely. The pull rod 2013 is released to allow the torsion spring to drive the block 2008 to reset, so that it engages with the latch tooth 2007. At this time, the latch tooth 2007 cannot rotate.

[0024] Among them, a connecting frame 1002 is installed on the outside of the glass frame 1003, and the positions of the connecting frame 1002 and the shielding frame 1004 correspond to each other. Since the rotation of the glass frame 1003 requires a certain gap between it and the window frame 1001, the connecting frame 1002 and the shielding frame 1004 are used. After the glass frame 1003 is closed, the connecting frame 1002 and the shielding frame 1004 will cover the gap.

[0025] A sealing strip is adhered to the outer side of the glass frame 1003 , and the sealing strip is used to improve the sealing performance between the glass frame 1003 and the window frame 1001 .

[0026] Among them, a lock body is embedded in one side of the glass frame 1003, and a lock handle 1005 is rotatably connected to the outer side of the glass frame 1003, and the lock handle 1005 is transmission-connected to a lock tongue in the lock body, and a lock buckle is embedded in one side of the window frame 1001, and the lock tongue and the lock buckle are engaged with each other. The mutual engagement of the lock tongue and the lock buckle can fix the closed glass frame 1003, and the lock handle 1005 is used to retract the lock tongue into the lock body, so that the glass frame 1003 is opened.

[0027] The specific usage and function of this embodiment are as follows:

[0028] When using this product, first, check whether the connection of the product is tight. After ensuring that it is intact, place the product in the designated position, install the casement window in the installation cavity reserved in advance on the wall, use the opening and the rotating shaft to enable the glass frame 1003 to rotate, pull the pull rod 2013 to rotate the block 2008 to disengage it from the latch tooth 2007, and the latch tooth 2007 can rotate freely at this time. When the glass frame 1003 rotates, the two ends of the first connecting rod 2001 and the second connecting rod 2002 will also rotate, thereby rotating the third pin shaft 2006, so the opening angle of the glass frame 1003 can be changed at this time, loosen the pull rod 2013 to allow the torsion spring to drive the block 2008 to reset, so that it engages with the latch tooth 2007, and the latch tooth 2007 cannot rotate at this time, and the glass frame 1003 is fixed in place.

[0029] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A locking device for a casement window, characterized in that: The invention comprises a window body (100) and a locking mechanism (200), wherein the window body (100) comprises a window frame (1001), a shielding frame (1004) is installed inside the window frame (1001), a pair of openings are provided on the inner wall of the window frame (1001), a rotating shaft is rotatably connected in the openings, a glass frame (1003) is installed between the rotating shafts, and a glass plate is embedded inside the glass frame (1003), the locking mechanism (200) comprises a first connecting rod (2001) and a second connecting rod (2002), a first pin (2003) is rotatably connected between the ends of the first connecting rod (2001) and the second connecting rod (2002) that are close to each other, a groove (2004) is provided at the bottom of the glass frame (1003), and the groove (2004) and the free end of the first connecting rod (2001) are connected to each other. A second pin is rotatably connected therebetween, a fixing sleeve (2005) is installed at the inner bottom of the shielding frame (1004), a third pin (2006) is rotatably connected to the top of the fixing sleeve (2005), a free end of the second connecting rod (2002) is installed on the outside of the third pin (2006), a latching tooth (2007) is installed on the outside of the third pin (2006), a connecting block (2010) is installed inside the fixing sleeve (2005), a fourth pin (2009) is connected inside the fixing sleeve (2005) via a torsion spring, a latching block (2008) is installed on the outside of the fourth pin (2009), a spring (2011) is connected between the latching block (2008) and the connecting block (2010), and the latching block (2008) and the latching tooth (2007) are engaged and connected.

2. The locking device for a casement window according to claim 1, characterized in that: The outer side of the clamping block (2008) is provided with a connecting groove (2012), the interior of the connecting groove (2012) is rotatably connected with a connecting shaft, the outer side of the connecting shaft is installed with a pull rod (2013), the outer side of the fixing sleeve (2005) is provided with a through hole, and the pull rod (2013) slides in the through hole.

3. The locking device for a casement window according to claim 1, characterized in that: A connection frame (1002) is installed on the outer side of the glass frame (1003), and the positions of the connection frame (1002) and the shielding frame (1004) correspond to each other.

4. The locking device for a casement window according to claim 1, characterized in that: A sealing strip is adhered to the outer side of the glass frame (1003).

5. The locking device for a casement window as claimed in claim 1, characterized in that: A lock body is embedded in one side of the glass frame (1003), a lock handle (1005) is rotatably connected to the outer side of the glass frame (1003), and the lock handle (1005) is drivingly connected to a lock tongue in the lock body, and a lock buckle is embedded in one side of the window frame (1001), and the lock tongue and the lock buckle are engaged with each other.

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