A casement window locking device

Abstract

The utility model discloses a flat -open window locking device relates to flat -open window locking field, include: window frame, locking mechanism, this mechanism sets up in the window frame inside, locking mechanism includes the sash that is movably installed in the one side of window frame through the hinged seat, the inside of sash is provided with the top strip, limiting mechanism, this mechanism sets up in the outer cover one side, limiting mechanism includes the reinforcing sheet that installs in the handle inner surface, the utility model discloses the effect of locking mechanism, will the sash rotation around the hinge, make the sash and the window frame completely close, lock the sash on the window frame, play the effect of quick closing sash, need not too much operation to close the sash on the window frame, make it reach sealed state, realize quick closing and open sash, improve the convenience of sash use, through the effect of limiting mechanism, when accidentally bumping the handle, will not easily push the handle to the sash center reverse direction, improve the stability of sash locking.

Description

Technical Field

[0001] This utility model relates to the field of casement window locking technology, and in particular to a casement window locking device. Background Technology

[0002] Casement windows are windows that open inwards or outwards on a flat surface, similar to the opening mechanism of a door. Casement windows are divided into sliding and top-hung types. Their advantages include a large opening area, good ventilation, good sealing, and excellent sound insulation, heat preservation, and water resistance. Aluminum casement windows are particularly common in daily life. Locking the window sash and frame is one of the ways to improve the stability of the window.

[0003] Rotate the window sash around the hinge and fit it against the window frame. Use the locking mechanism to lock the window sash to the window frame, and then use the limiting mechanism to fix the locking mechanism, thereby enhancing its strength.

[0004] Existing casement window locking mechanisms have few stress points, typically a single stress point. In severe weather, their strength cannot be guaranteed. The original locking devices lack a limiting function, and when resonance occurs after the casement window is locked, the locking ability will be greatly reduced. Therefore, a new casement window locking device is proposed. Utility Model Content

[0005] (a) Technical problems to be solved To address the problems existing in the prior art, this utility model provides a casement window locking device.

[0006] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a casement window locking device, comprising: window frame; A locking mechanism is provided inside the window frame. The locking mechanism includes a window sash that is movably installed on one side of the window frame via a hinge seat. A top strip is provided inside the window sash. Several first springs are evenly distributed and installed on one side of the top strip. Multiple locking blocks are evenly distributed and installed on the other side of the top strip. U-shaped blocks are symmetrically installed on one side of the top strip. An outer cover plate is installed on one side of the window sash. Pull rods adapted to the U-shaped blocks are symmetrically arranged inside the outer cover plate. A limiting mechanism is provided on one side of the outer cover plate. The limiting mechanism includes a reinforcing plate installed on the inner surface of the handle. A sliding rod is symmetrically arranged on the side of the reinforcing plate opposite to the handle. A straight groove plate is movably installed on the outer surface of the sliding rod. A fixing pin is symmetrically arranged on one side of the straight groove plate, and a force application handle is installed on the other side of the straight groove plate.

[0007] As a preferred embodiment of the casement window locking device of this utility model, the window sash has a sliding groove adapted to the top strip, the top strip is slidably connected in the sliding groove, and a plurality of locking grooves adapted to the locking block are evenly distributed on one side of the inner surface of the window frame, the locking block passes through the window sash and is movably engaged in the locking groove.

[0008] As a preferred embodiment of the casement window locking device of this utility model, the inner surface of the slide groove is evenly and symmetrically provided with limiting plates adapted to the top strip, and the two sides of the top strip are evenly provided with limiting grooves adapted to the limiting plates from top to bottom, and the top strip is slidably connected to the outside of the limiting plate through the limiting grooves.

[0009] In a preferred embodiment of the casement window locking device of this utility model, the U-shaped block is fitted onto the outside of the pull rod, and the outer cover plate and the window sash are symmetrically provided with sliding holes adapted to the pull rod on opposite sides. The pull rod is slidably connected inside the sliding hole, and a handle is installed through the sliding hole at the same end of the two pull rods. The handle is located on the outside of the outer cover plate.

[0010] As a preferred embodiment of the casement window locking device of this utility model, the reinforcing plate is located on the outer side of the outer cover plate, and a plurality of circular grooves adapted to the fixing pin are evenly distributed and symmetrically opened on one side of the outer cover plate. Circular holes adapted to the fixing pin are symmetrically opened on one side of the reinforcing plate, and the fixing pin is movably inserted into the circular groove through the circular hole.

[0011] As a preferred embodiment of the casement window locking device of this utility model, the straight groove plate has symmetrically provided limiting holes on one side for use with the slide rod, the straight groove plate is slidably connected to the outside of the slide rod through the limiting holes, a second spring is symmetrically provided on one side of the straight groove plate, the second spring is located on the outside of the slide rod, and multiple protective plates are evenly distributed on the side opposite to the handle of the reinforcing plate.

[0012] (III) Beneficial Effects This utility model provides a locking device for a casement window. It has the following beneficial effects: 1. Through the action of the locking mechanism, the window sash rotates around the hinge, and after the window sash and window frame are completely closed, under the action of several first springs, a pushing force is applied to the top strip. With the assistance of several limiting plates, the top strip moves smoothly, and the top strip pushes multiple locking blocks into the corresponding locking grooves in the window frame, locking the window sash to the window frame. This achieves the function of quickly closing the window sash, and the window sash can be closed to the window frame without much operation, achieving a sealed state. By applying a lateral force to the handle, with the cooperation of the pull rod and U-shaped block, the top strip moves multiple locking blocks out of the corresponding locking grooves, opening the window sash around the hinge. This achieves the function of quickly closing and opening the window sash, improving the convenience of using the window sash.

[0013] 2. Through the action of the limiting mechanism, when the handle is accidentally touched, it will not be easily pushed in the opposite direction to the center of the window sash, thus improving the stability of the window sash locking. Through the action of the two second springs, a pushing force is applied to the straight groove plate at the same time, causing the straight groove plate to push the two fixing pins into the corresponding circular grooves, fixing the handle at that point, thus fixing the handle and increasing the stability of the handle. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This is an exploded schematic diagram of the locking mechanism of this utility model.

[0017] Figure 3 This is a partial cross-sectional schematic diagram of the locking mechanism of this utility model.

[0018] Figure 4 This is a partial structural diagram of the locking mechanism of this utility model.

[0019] Figure 5 This is an exploded schematic diagram of the limiting mechanism of this utility model.

[0020] Figure 6 This is a side sectional view of the limiting mechanism of this utility model.

[0021] In the diagram, 1. Window frame; 2. Locking mechanism; 201. Window sash; 202. Top strip; 203. Limiting plate; 204. First spring; 205. Locking block; 206. U-shaped block; 207. Pull rod; 208. Outer cover plate; 209. Handle; 3. Limiting mechanism; 301. Reinforcing plate; 302. Sliding rod; 303. Straight groove plate; 304. Force application handle; 305. Fixing pin; 306. Second spring; 307. Protective plate. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0023] Example 1 Reference Figures 1-4 This is the first embodiment of the present invention, which provides a casement window locking device, comprising: Window frame 1; Locking mechanism 2 is located inside the window frame 1. Locking mechanism 2 includes a window sash 201 that is movably installed on one side of the window frame 1 via a hinge seat. A top bar 202 is provided inside the window sash 201. Several first springs 204 are evenly distributed on one side of the top bar 202. Several locking blocks 205 are evenly distributed on the other side of the top bar 202. U-shaped blocks 206 are symmetrically installed on one side of the top bar 202. An outer cover plate 208 is installed on one side of the window sash 201. Pull rods 207 adapted to the U-shaped blocks 206 are symmetrically arranged inside the outer cover plate 208.

[0024] like Figure 2 and Figure 3 As shown, in this embodiment, the window sash 201 has a sliding groove inside that is adapted to the top strip 202. The top strip 202 is slidably connected inside the sliding groove. Multiple locking slots adapted to the locking blocks 205 are evenly distributed on one side of the inner surface of the window frame 1. The locking blocks 205 pass through the window sash 201 and are movably engaged inside the locking slots. Under the action of several first springs 204, the same pushing force is applied to the top strip 202, causing the top strip 202 to slide in the sliding groove and push the top strip 202 toward the locking slot. The top strip 202 pushes several locking blocks 205 into the locking slots, so that the window sash 201 and the window frame 1 are in a locked state, thus locking the window sash 201.

[0025] like Figure 3 and Figure 4As shown, in this embodiment, the inner surface of the slide groove is evenly and symmetrically provided with limiting plates 203 adapted to the top bar 202. The top bar 202 has limiting grooves evenly distributed from top to bottom on both sides, adapted to the limiting plates 203. The top bar 202 is slidably connected to the outside of the limiting plates 203 through the limiting grooves. Several limiting plates 203 are arranged sequentially from top to bottom and symmetrically distributed in the slide groove inside the window sash 201. When the top bar 202 is subjected to a lateral force, it ensures that the top bar 202 can move stably in the slide groove, and smoothly pushes several locking blocks 205 into the corresponding locking grooves, thereby ensuring the stable movement of the top bar 202.

[0026] like Figure 4 As shown, in this embodiment, the U-shaped block 206 is fitted onto the outside of the pull rod 207. The outer cover plate 208 and the window sash 201 are symmetrically provided with sliding holes adapted to the pull rod 207 on opposite sides. The pull rod 207 is slidably connected inside the sliding hole. The same end of the two pull rods 207 passes through the sliding hole and is equipped with a handle 209. The handle 209 is located on the outside of the outer cover plate 208. The length of the sliding hole is greater than the length of the lock block 205. The handle 209 applies a lateral pushing force to the two pull rods 207, causing the two U-shaped blocks 206 to move laterally. This allows the top bar 202 to smoothly move multiple lock blocks 205 out of the lock groove of the window frame 1, ensuring that the lock blocks 205 can be freely locked in the lock groove of the window frame 1, thus facilitating contact with the lock blocks 205 for restriction.

[0027] Furthermore, when the window sash 201 and the window frame 1 are in the open state, the window sash 201 is manually rotated around the hinge to completely close the window sash 201 onto the window frame 1. At this time, under the action of the first spring 204, a pushing force is simultaneously applied to the top bar 202. With the assistance of several limiting plates 203, the top bar 202 is stably pushed towards the locking groove of the window frame 1. The top bar 202 pushes multiple locking blocks 205 into the corresponding locking grooves of the window frame 1, completing the locking action of the window sash 201. When opening the window sash 201, a lateral pushing force is applied to the handle 209 towards the center of the window sash 201. The handle 209 drives the two pull rods 207 to move laterally, causing the two U-shaped blocks 206 to move accordingly. The two U-shaped blocks 206 pull the locking blocks 205 in the opposite direction. The top bar 202 pulls multiple locking blocks 205 out of the corresponding locking grooves. Then, the window sash 201 is flipped around the hinge to complete the opening action of the window sash 201.

[0028] Example 2 Reference Figure 5 and Figure 6This is the second embodiment of the present invention. This embodiment is based on the previous embodiment. The limiting mechanism 3 is set on one side of the outer cover plate 208. The limiting mechanism 3 includes a reinforcing plate 301 installed on the inner surface of the handle 209. A sliding rod 302 is symmetrically arranged on the side opposite to the handle 209 of the reinforcing plate 301. A straight groove plate 303 is movably installed on the outer surface of the sliding rod 302. A fixing pin 305 is symmetrically arranged on one side of the straight groove plate 303. A force application handle 304 is installed on the other side of the straight groove plate 303.

[0029] like Figure 5 and Figure 6 As shown, in this embodiment, the reinforcing piece 301 is located outside the outer cover plate 208. The outer cover plate 208 has multiple circular grooves evenly distributed and symmetrically opened on one side, which are adapted to the fixing pins 305. The reinforcing piece 301 has circular holes symmetrically opened on one side, which are adapted to the fixing pins 305. The fixing pins 305 are inserted into the circular grooves through the circular holes. The two fixing pins 305 are pulled out from the circular grooves of the outer cover plate 208 by the straight groove plate 303. After adjusting the opening and closing state of the window sash 201 by the handle 209, the fixing pins 305 are pushed back into the corresponding circular grooves of the outer cover plate 208, which serves to restrict the movement of the handle 209. Without releasing the restriction of the fixing pins 305, it is impossible to apply force to the handle 209 and move it.

[0030] like Figure 5 and Figure 6 As shown, in this embodiment, a limiting hole adapted to the slide rod 302 is symmetrically opened on one side of the straight groove plate 303. The straight groove plate 303 is slidably connected to the outside of the slide rod 302 through the limiting hole. A second spring 306 is symmetrically arranged on one side of the straight groove plate 303. The second spring 306 is located outside the slide rod 302. Multiple protective plates 307 are evenly distributed on the opposite side of the reinforcing plate 301 and the handle 209. Under the action of the second spring 306, a thrust is applied to the straight groove plate 303 in the opposite direction to the reinforcing plate 301, ensuring that the straight groove plate 303 can stably push the fixing pin 305 into the corresponding circular groove, thereby stabilizing the fixing pin 305.

[0031] Furthermore, grasp the force-applying handle 304 and the handle 209 together, with your palm on the handle 209. Apply a counter-force to the force-applying handle 304, causing it to move the straight groove plate 303 on the slide rod 302. At this time, both second springs 306 are compressed and deformed. The straight groove plate 303 causes the two fixing pins 305 to move out of the corresponding circular grooves in the outer cover plate 208. Then, apply a lateral pushing force to the handle 209. After the window sash 201 is closed on the window frame 1, pull the handle 209 in the opposite direction to remove the force applied to the force-applying handle 304. Under the action of the second springs 306, apply a pushing force to the straight groove plate 303. The straight groove plate 303 pushes the two fixing pins 305 into the corresponding circular grooves, thereby increasing the firmness of the window sash 201 and the window frame 1.

[0032] Working principle: When the window sash 201 and window frame 1 are open, grasp the force application handle 304 and the handle 209 together, with your palm on the handle 209. Apply a meshing force to the force application handle 304 in the opposite direction to the handle 209. The force application handle 304 drives the straight groove plate 303 to move on the slide rod 302. At this time, both second springs 306 are compressed and deformed. The straight groove plate 303 drives the two fixing pins 305 to move out of the corresponding circular grooves in the outer cover plate 208. Then, apply a lateral pushing force to the handle 209. After the window sash 201 is completely closed on the window frame 1, under the action of the first spring 204, a pushing force is simultaneously applied to the top strip 202. With the assistance of several limiting plates 203, the top strip 202 is stably pushed towards the window frame. When the top bar 202 pushes the locking groove in the direction of the locking groove, it pushes multiple locking blocks 205 into the corresponding locking groove of the window frame 1. The force applied to the force application handle 304 is removed. Under the action of the second spring 306, a pushing force is applied to the straight groove plate 303. The straight groove plate 303 pushes the two fixing pins 305 into the corresponding circular groove, completing the locking action of the window sash 201. When the window sash 201 is opened, the principle is the same as above. A lateral pushing force is applied to the handle 209 in the direction of the center of the window sash 201. The handle 209 drives the two pull rods 207 to move laterally, so that the two U-shaped blocks 206 move along with them. The two U-shaped blocks 206 pull the locking blocks 205 in the opposite direction. The top bar 202 pulls multiple locking blocks 205 out of the corresponding locking groove, and then the window sash 201 is flipped around the hinge.

[0033] It should be noted that in this paper, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

Claims

1. A casement window locking device, characterized in that, include: Window frame (1); Locking mechanism (2), which is located inside the window frame (1), includes a window sash (201) movably mounted on one side of the window frame (1) via a hinge seat. A top strip (202) is provided inside the window sash (201). Several first springs (204) are evenly distributed on one side of the top strip (202). Multiple locking blocks (205) are evenly distributed on the other side of the top strip (202). U-shaped blocks (206) are symmetrically installed on one side of the top strip (202). An outer cover plate (208) is installed on one side of the window sash (201). A pull rod (207) adapted to the U-shaped block (206) is symmetrically arranged inside the outer cover plate (208). A limiting mechanism (3) is provided on one side of the outer cover plate (208). The limiting mechanism (3) includes a reinforcing plate (301) installed on the inner surface of the handle (209). A sliding rod (302) is symmetrically arranged on the side opposite to the handle (209) of the reinforcing plate (301). A straight groove plate (303) is movably installed on the outer surface of the sliding rod (302). A fixing pin (305) is symmetrically arranged on one side of the straight groove plate (303). A force application handle (304) is installed on the other side of the straight groove plate (303).

2. The casement window locking device according to claim 1, characterized in that: The window sash (201) has a sliding groove inside that is adapted to the top strip (202). The top strip (202) is slidably connected inside the sliding groove. The inner surface of the window frame (1) has multiple locking grooves evenly distributed on one side that are adapted to the locking block (205). The locking block (205) passes through the window sash (201) and is movably engaged inside the locking groove.

3. A casement window locking device according to claim 2, characterized in that: The inner surface of the slide groove is evenly and symmetrically provided with limiting plates (203) adapted to the top bar (202). The top bar (202) has limiting grooves evenly distributed from top to bottom on both sides, adapted to the limiting plates (203). The top bar (202) is slidably connected to the outside of the limiting plates (203) through the limiting grooves.

4. A casement window locking device according to claim 3, characterized in that: The U-shaped block (206) is fitted onto the outside of the pull rod (207). The outer cover plate (208) and the window sash (201) are symmetrically provided with sliding holes adapted to the pull rod (207) on opposite sides. The pull rod (207) is slidably connected inside the sliding hole. The same end of the two pull rods (207) is installed with a handle (209) through the sliding hole. The handle (209) is located on the outside of the outer cover plate (208).

5. A casement window locking device according to claim 1, characterized in that: The reinforcing piece (301) is located outside the outer cover plate (208). The outer cover plate (208) has a plurality of circular grooves that are evenly distributed and symmetrically opened on one side to be used with the fixing pin (305). The reinforcing piece (301) has circular holes that are symmetrically opened on one side to be used with the fixing pin (305). The fixing pin (305) is inserted into the circular groove through the circular hole.

6. A casement window locking device according to claim 5, characterized in that: The straight groove plate (303) has symmetrically provided limiting holes on one side that are adapted to the slide rod (302). The straight groove plate (303) is slidably connected to the outside of the slide rod (302) through the limiting holes. A second spring (306) is symmetrically provided on one side of the straight groove plate (303). The second spring (306) is located outside the slide rod (302). Multiple protective plates (307) are evenly distributed on the opposite side of the reinforcing plate (301) and the handle (209).

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