Sliding window locking device

Abstract

The utility model discloses a sliding window locking device, which relates to the technical field of sliding windows and comprises a bottom frame, side frames are fixedly arranged on two sides of the upper end of the bottom frame, a top frame is fixedly connected to the upper ends of the two groups of side frames, and a first movable window sash and a second movable window sash are slidably mounted between the bottom frame and the top frame. The side ends, away from each other, of the first movable window sash and the second movable window sash are each fixedly provided with a lock head piece, side frame installation grooves are formed in the inner sides of the two sets of side frames, locking holes allowing the lock head pieces to penetrate through are formed in the side ends of the side frame installation grooves, and locking mechanisms matched with the lock head pieces are installed in the side frame installation grooves. A side locking push plate is slidably mounted on the end face of the side, close to the indoor space, of the side frame and fixedly connected with the locking mechanism. The locking devices of the window sashes are arranged on the side frames, so that the locking devices do not need to be arranged on the movable window sashes, the overall attractiveness of the whole window sashes is further improved, meanwhile, the locking effect of the movable window sashes is improved through the locking devices on the two sides, and the sealing performance of the whole window sashes is guaranteed.

Description

Technical Field

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

[0002] Sliding windows are a type of window widely used in the modern construction industry, and are widely applied to various building types, including residential buildings, commercial buildings, industrial buildings, etc. In residential buildings, sliding windows are suitable for indoor spaces such as bedrooms, living rooms, and studies; in commercial buildings, such as hotels, shopping centers, office buildings, etc., sliding windows have the characteristics of good sound insulation, wide vision, and sufficient lighting; in industrial buildings, such as large-space buildings like factories and warehouses, sliding windows have the advantages of convenience, speed, and space saving. The existing locking devices for sliding windows are generally arranged on the movable window sashes, and the two movable window sashes are locked by arranging a locking device in the middle of the movable window sashes. However, on the one hand, the locking effect of this kind of locking device is not good, and on the other hand, the locking device arranged on the movable window sash affects the beauty of the window sash. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a locking device for sliding windows to solve the technical problem of poor locking effect of the locking device.

[0004] The purpose of the utility model can be realized by the following technical solutions:

[0005] A locking device for sliding windows includes a bottom frame. Both sides of the upper end of the bottom frame are fixedly provided with side frames, and the upper ends of the two side frames are fixedly connected with a top frame. A movable window sash one and a movable window sash two are slidably installed between the bottom frame and the top frame. Window handles are fixedly installed on both the movable window sash one and the movable window sash two. Locking members are fixedly installed on the side ends of the movable window sash one and the movable window sash two that are away from each other. Side frame installation grooves are arranged inside the two side frames. Locking holes for the locking members to penetrate are arranged at the side ends of the side frame installation grooves. A locking mechanism that cooperates with the locking members is installed in the side frame installation grooves. A side lock push plate is slidably installed on the side end face of the side frame close to the interior, and the side lock push plate is fixedly connected with the locking mechanism.

[0006] Preferably, the locking member includes a locking plate fixedly installed on the side walls of the movable window sash one and the movable window sash two, and a locking buckle head is fixedly arranged on the locking plate.

[0007] Preferably, the locking mechanism includes a driving connecting plate slidably arranged in the side frame installation groove. The driving connecting plate is fixedly connected with the side lock push plate, and a locking buckle seat that cooperates with the locking member is fixedly arranged on the driving connecting plate.

[0008] Preferably, multiple groups of locking members are provided, and multiple locking buckle seats are arranged on the driving connecting plate corresponding to the multiple groups of locking members.

[0009] Preferably, a pushing lock chamfer is provided at the end of the lock catch head away from the locking plate, and a lock catch chamfer that cooperates with the pushing lock chamfer is provided at the lower part of one end of the lock catch seat away from the driving connecting plate.

[0010] Preferably, a plurality of fixed connecting plates are fixedly arranged inside the side frame installation groove, a locking spring is fixedly arranged at the lower end of the fixed connecting plate, and the locking spring is fixedly connected to the lock catch seat.

[0011] Preferably, a plurality of limiting baffle plates that cooperate with the fixed connecting plates are fixedly arranged on the driving connecting plate.

[0012] Advantages of the present utility model:

[0013] (1) The locking device of the window sash is arranged on the side frame, so that there is no need to arrange a locking device on the movable window sash, further improving the overall aesthetics of the entire window sash. At the same time, the locking devices on both sides improve the locking effect of the movable window sash and ensure the sealing performance of the entire window sash.

[0014] (2) The lock catch head is clamped by the lock catch seat to fix and lock the movable window sash. At the same time, the pushing of the side lock push plate can quickly unlock the locking device.

[0015] (3) By arranging a plurality of lock catch seats, the locking effect of the movable window sash is improved. Through the cooperation of the pushing lock chamfer and the lock catch chamfer, the smoothness during locking can be improved, and it can prevent the inability to insert into the locking hole due to planar contact. Description of the Drawings

[0016] The following further describes the present utility model with reference to the drawings.

[0017] Figure 1 is the overall structural schematic diagram of the present utility model;

[0018] Figure 2 is the partial cross-sectional structural schematic diagram of the whole of the present utility model;

[0019] Figure 3 is the present utility model Figure 2 The enlarged structural schematic diagram at position A in.

[0020] In the figure: 1, bottom frame; 2, side frame; 3, top frame; 4, movable window sash one; 5, movable window sash two; 51, locking plate; 52, lock catch head; 53, pushing lock chamfer; 6, window sash handle; 7, side lock push plate; 8, locking mechanism; 21, side frame installation groove; 22, locking hole; 23, driving connecting plate; 24, limiting baffle plate; 25, fixed connecting plate; 26, locking spring; 27, lock catch seat; 28, lock catch chamfer. Detailed Embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-3 As shown, the present utility model is a push-pull window locking device, including a bottom frame 1. On both sides of the upper end of the bottom frame 1, side frames 2 are fixedly arranged. The upper ends of the two side frames 2 are fixedly connected with a top frame 3. An active window sash one 4 and an active window sash two 5 are slidably installed between the bottom frame 1 and the top frame 3. Window sash handles 6 are fixedly installed on both the active window sash one 4 and the active window sash two 5. Locking parts are fixedly installed on the side ends of the active window sash one 4 and the active window sash two 5 that are away from each other. Side frame installation grooves 21 are arranged inside the two side frames 2. Locking holes 22 for the locking parts to penetrate are arranged at the side ends of the side frame installation grooves 21. A locking mechanism 8 that cooperates with the locking parts is installed in the side frame installation grooves 21. A side lock push plate 7 is slidably installed on the end face of the side frame 2 close to the indoor side. The side lock push plate 7 is fixedly connected with the locking mechanism 8.

[0023] In an optional embodiment, the locking part includes a locking plate 51 fixedly installed on the side walls of the active window sash one 4 and the active window sash two 5. A lock catch head 52 is fixedly arranged on the locking plate 51.

[0024] It should be noted that by setting the locking plate 51 and the lock catch head 52 to cooperate with the locking mechanism 8, the fixing and locking of the two active window sashes are respectively realized, and the locking device of the window sash is arranged on the side frame, so that there is no need to set a locking device on the active window sash, further improving the overall aesthetics of the entire window sash. At the same time, the locking devices on both sides improve the locking effect of the active window sash and ensure the sealing performance of the entire window sash.

[0025] In an optional embodiment, the locking mechanism 8 includes a driving connecting plate 23 slidably arranged in the side frame installation groove 21. The driving connecting plate 23 is fixedly connected with the side lock push plate 7. A lock catch seat 27 that cooperates with the locking part is fixedly arranged on the driving connecting plate 23.

[0026] It should be noted that the lock catch head 52 is clamped by the lock catch seat 27 to realize the fixing and locking of the active window sash. At the same time, the pushing of the side lock push plate 7 can realize the quick unlocking of the locking device.

[0027] In an optional embodiment, multiple groups of locking parts are provided, and multiple lock catch seats 27 corresponding to the multiple groups of locking parts are arranged on the driving connecting plate 23.

[0028] It should be noted that by setting multiple sets of latch seats 27, the locking effect of the movable window sash is improved.

[0029] In an alternative embodiment, a push-lock chamfer 53 is provided at the end of the latch head 52 away from the locking plate 51, and a latch chamfer 28 that cooperates with the push-lock chamfer 53 is provided at the lower part of one end of the latch seat 27 away from the driving link plate 23.

[0030] It should be noted that by setting the cooperation of the push-lock chamfer 53 and the latch chamfer 28, the smoothness during locking can be improved, and it can prevent the inability to insert into the locking hole 22 due to planar contact.

[0031] In an alternative embodiment, multiple fixed link plates 25 are fixedly arranged inside the side frame mounting groove 21, a locking spring 26 is fixedly arranged at the lower end of the fixed link plate 25, and the locking spring 26 is fixedly connected to the latch seat 27.

[0032] It should be noted that by setting the locking spring 26, the latch seat 27 can be automatically rebounded and reset, so as to ensure that the latch seat 27 stably latches the latch member.

[0033] In an alternative embodiment, a plurality of limit baffles 24 that cooperate with the fixed link plates 25 are fixedly arranged on the driving link plate 23.

[0034] It should be noted that by setting the limit baffles 24 to limit the rebound of the latch seat 27, it can effectively prevent the situation that the latch seat 27 blocks the locking hole 22 and causes the latch member to be unable to be inserted, and ensure that the latch member can be stably inserted into the locking hole 22 to complete the fixed locking of the movable window sash.

[0035] The working principle of the present invention: By setting the locking plate 51 and the latch head 52 to cooperate with the locking mechanism 8, the fixed locking of two groups of movable window sashes is respectively achieved, and the locking device of the window sash is arranged on the side frame, so that there is no need to set a locking device on the movable window sash, further improving the overall aesthetics of the entire window sash. At the same time, the locking devices on both sides improve the locking effect of the movable window sash, ensuring the sealing performance of the entire window sash. The latch head 52 is clamped by the latch seat 27 to achieve the fixed locking of the movable window sash. At the same time, the pushing of the side lock push plate 7 can achieve the quick unlocking of the locking device.

[0036] The above has described an embodiment of the present invention in detail, but the content described is only the preferred embodiment of the present invention and cannot be considered as limiting the implementation scope of the present invention. All equivalent changes and improvements made according to the scope of the application of the present invention should still fall within the scope covered by the patent of the present invention.

Claims

1. A push-pull window locking device, characterized in that, It includes a bottom frame (1). On both sides of the upper end of the bottom frame (1), side frames (2) are fixedly arranged. At the upper ends of the two groups of side frames (2), a top frame (3) is fixedly connected. Between the bottom frame (1) and the top frame (3), a movable window sash one (4) and a movable window sash two (5) are slidably installed. Window sash handles (6) are fixedly installed on both the movable window sash one (4) and the movable window sash two (5). On the side ends of the movable window sash one (4) and the movable window sash two (5) that are away from each other, lock head members are fixedly installed. Inside the two groups of side frames (2), there are side frame installation grooves (21). On the side ends of the side frame installation grooves (21), there are lock connection holes (22) for the lock head members to penetrate. Inside the side frame installation grooves (21), a locking mechanism (8) that cooperates with the lock head members is installed. On the side end face of the side frame (2) close to the interior, a side lock push plate (7) is slidably installed. The side lock push plate (7) is fixedly connected to the locking mechanism (8).

2. The push-pull window locking device according to claim 1, wherein The lock head member includes a lock connection plate (51) fixedly installed on the side walls of the movable window sash one (4) and the movable window sash two (5). A lock catch head (52) is fixedly arranged on the lock connection plate (51).

3. A push-pull window locking device according to claim 2, wherein, The locking mechanism (8) includes a driving connecting plate (23) slidably arranged in the side frame installation groove (21). The driving connecting plate (23) is fixedly connected to the side lock push plate (7). A lock catch seat (27) that cooperates with the lock head member is fixedly arranged on the driving connecting plate (23).

4. A push-pull window locking device according to claim 3, characterized in that, There are multiple groups of the lock head members, and multiple lock catch seats (27) corresponding to the multiple groups of lock head members are arranged on the driving connecting plate (23).

5. The push-pull window locking device according to claim 3, characterized in that, At the end of the lock catch head (52) away from the lock connection plate (51), there is a push lock chamfer (53). At the lower part of one end of the lock catch seat (27) away from the driving connecting plate (23), there is a lock catch chamfer (28) that cooperates with the push lock chamfer (53).

6. The push-pull window locking device according to claim 3, characterized in that, Inside the side frame installation groove (21), multiple groups of fixed connecting plates (25) are fixedly arranged. At the lower ends of the fixed connecting plates (25), lock connection springs (26) are fixedly arranged. The lock connection springs (26) are fixedly connected to the lock catch seats (27).

7. A push-pull window locking device according to claim 6, characterized in that, On the driving connecting plate (23), multiple limit baffle plates (24) that cooperate with the fixed connecting plates (25) are fixedly arranged.

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