Automatic lock device for doors and windows

Abstract

The utility model relates to the technical field of door and window accessories, and particularly discloses an automatic lock device for doors and windows, which comprises a lock plate unit, a lock plate unit and a lock plate unit, the lock plate unit comprises a transmission rod, the transmission rod is provided with a lock plate, and the lock plate elastically moves on the transmission rod; the lock catch unit is provided with a clamping groove corresponding to the lock plate so that the lock plate can be clamped into the clamping groove, and an elastic piece is obliquely arranged above the clamping groove so that the lock plate can abut against the upper end of the elastic piece after being separated from the clamping groove; according to the automatic lock device for the door and window, when the lock plate makes contact with the lock catch unit, the lock plate can elastically move until the lock plate is clamped into the clamping groove and then is locked, during opening, the elastically-moving lock plate can be separated from the clamping groove, the lock plate abuts against the elastic piece, the lock plate is prevented from being pressed downwards and entering the clamping groove again, and therefore a window sash is unlocked and moved; compared with the prior art, the whole structure is simpler, the cost of the lock is relatively lower, and the service life of the lock can be prolonged under the condition that accessories are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window accessories, in particular to an automatic locking device for doors and windows. Background Art

[0002] At present, the door and window openings of buildings are closed by casement doors and windows or sliding doors and windows. The existing sliding doors and windows generally have a structure in which rollers are arranged at the bottom of the doors and windows, and slide rails are arranged on the frames. The rollers roll on the slide rails to achieve left and right reciprocating movement of the sliding doors and windows, and the locking of the sliding doors and windows is achieved by a lock body that contacts the two sliding door and window frames and a lock buckle that contacts the iron. However, the current lock body structure is usually implemented by an outward telescopic lock tongue, but the telescopic lock tongue structure is relatively complex, resulting in high lock body costs. Utility Model Content

[0003] In order to overcome the defects of the prior art, the utility model provides an automatic locking device for doors and windows to solve the above problems.

[0004] The technical solution adopted by the utility model to solve the technical problem is: an automatic locking device for doors and windows, comprising:

[0005] A locking piece unit, the locking piece unit comprising a transmission rod, the transmission rod being provided with a locking piece, the locking piece being elastically movable on the transmission rod;

[0006] The locking unit is provided with a slot corresponding to the locking piece so that the locking piece can be inserted into the slot, and a spring piece is obliquely provided above the slot so that the locking piece can be pressed against the upper end of the spring piece after being separated from the slot.

[0007] In the above-mentioned automatic locking device for doors and windows, a strip hole is provided on the upper part of the transmission rod, and a push pin is provided on the lower part. A locking plate is provided on one side of the strip hole close to the lock unit, and a clamping plate is provided on the other side. A bending plate corresponding to the slot is provided at the lower end of the locking plate. The locking plate and the clamping plate are connected by bolts so that the bolts are passed through the strip hole. A first spring seat is provided at one end of the clamping plate close to the push pin, and a second spring seat located on the transmission rod is provided between the first spring seat and the push pin, and the first spring seat and the second spring seat are connected by a spring.

[0008] In the above-mentioned automatic locking device for doors and windows, a connecting piece is provided on the side of the transmission rod close to the lock unit, one end of the push pin passes through the transmission rod and is connected to the connecting piece, and the connecting piece is fixed to the transmission rod by screws.

[0009] In the above-mentioned automatic locking device for doors and windows, the lock unit includes a lock seat, a lock is arranged on the upper end of the lock seat, the locking slot is opened at the upper end of the lock, and inclined surfaces are arranged on both sides of the lock.

[0010] In the above-mentioned automatic lock device for doors and windows, an elastic piece is vertically installed on the lock catch base, and the upper part of the elastic piece is inclined so that the elastic piece shields above the card slot.

[0011] In the above-mentioned automatic lock device for doors and windows, the elastic piece is inclined upward from the lock catch base towards the lock piece.

[0012] The beneficial effect of the present utility model lies in that by installing the lock piece unit on the window sash and the lock catch unit on the window frame, when closing, when the lock piece contacts the lock catch unit, it can move elastically until it is locked after being caught in the card slot. When opening, the elastically movable lock piece can be disengaged from the card slot, so that the lock piece presses against the elastic piece to prevent the lock piece from pressing down and re-entering the card slot, thereby realizing unlocking and moving the window sash. The whole structure is relatively simpler than the prior art, the cost of the lock is relatively lower, and the service life of the lock can be provided while reducing the accessories. Description of the Drawings

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the automatic lock device for doors and windows of the present utility model.

[0014] Figure 2 It is one of the three-dimensional structural schematic diagrams of the lock piece unit of the present utility model.

[0015] Figure 3 It is the second three-dimensional structural schematic diagram of the lock piece unit of the present utility model.

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the lock catch unit of the present utility model.

[0017] Figure 5 It is a state diagram of the locking process of the automatic lock device for doors and windows of the present utility model.

[0018] Figure 6 It is a state diagram after locking of the automatic lock device for doors and windows of the present utility model.

[0019] Figure 7 It is a state diagram after unlocking of the automatic lock device for doors and windows of the present utility model.

[0020] In the figure: transmission rod 1, dial pin 2, strip hole 3, lock piece 4, bent piece 5, lock catch unit 6, elastic piece 7, clip piece 8, first spring seat 9, second spring seat 10, spring 11, connecting piece 12, lock catch base 13, lock catch 14, card slot 15, inclined surface 16. Detailed Embodiments

[0021] The following further describes the specific embodiments of the present utility model in conjunction with the accompanying drawings. It should be noted here that the description of these embodiments is used to help understand the present utility model, but does not constitute a limitation to the present utility model. In addition, the technical features involved in the various embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] Combined with Figures 1 to 4 An automatic locking device for doors and windows shown in the figure includes: a lock piece unit installed on the sash window and a lock buckle unit 6 installed on the window frame. The lock piece unit includes a transmission rod 1, and a lock piece 4 is arranged on the transmission rod 1. The lock piece 4 elastically moves on the transmission rod 1; a card slot 15 corresponding to the lock piece 4 is arranged on the lock buckle unit 6, so that the lock piece 4 can be inserted into the card slot 15. An elastic piece 7 is inclined above the card slot 15, so that after the lock piece 4 is separated from the card slot 15, it can press against the upper end of the elastic piece 7; in this embodiment, by installing the lock piece unit on the window sash and the lock buckle unit 6 on the window frame, when closing, when the lock piece 4 touches the lock buckle unit 6, it can elastically move until it is locked after being inserted into the card slot 15. When opening, the elastically movable lock piece 4 can be separated from the card slot 15, so that the lock piece 4 presses against the elastic piece 7 to prevent the lock piece 4 from pressing down and re-entering the card slot 15, thereby realizing unlocking and moving the window sash. The whole structure is simpler than the prior art, the cost of the lock is relatively lower, and the service life of the lock can be provided while reducing the accessories.

[0023] In this embodiment, a strip-shaped hole 3 is opened in the upper part of the transmission rod 1, and a dial pin 2 is arranged at the lower part. A lock piece 4 is arranged on one side of the strip-shaped hole 3 close to the lock buckle unit, and a clip piece 8 is arranged on the other side. A bending piece 5 corresponding to the card slot 15 is arranged at the lower end of the lock piece 4. The lock piece 4 and the clip piece 8 are connected by bolts, so that the bolts are arranged in the strip-shaped hole 3. A first spring seat 9 is arranged at one end of the clip piece 8 close to the dial pin 2. A second spring seat 10 on the transmission rod 1 is arranged between the first spring seat 9 and the second spring seat 10. The first spring seat 9 and the second spring seat 10 are connected by a spring 11; in this embodiment, the dial pin 2 is connected to the handle or knob on the window frame to drive the dial pin 2 to move through the handle or knob, thereby driving the transmission rod 1 to move. The lock piece 4 can elastically move in the strip-shaped hole 3 through the spring 11, so that the bending piece 5 can be inserted into or separated from the card slot 15, and the structure is simpler and more practical.

[0024] In this embodiment, a connecting piece 12 is arranged on one side of the transmission rod 1 close to the lock buckle unit. One end of the dial pin 2 passes through the transmission rod 1 and is connected to the connecting piece 12. The connecting piece 12 is fixed on the transmission rod 1 by screws; making the dial pin 2 more stable on the transmission rod 1 and preventing loosening.

[0025] The buckle unit 6 of this embodiment includes a buckle seat 13. A buckle 14 is provided at the upper end of the buckle seat 13. A card slot 15 is opened at the upper end of the buckle 14. Inclined surfaces 16 are provided on both sides of the buckle 14. As Figure 5 and Figure 6 shown, the buckle seat 13 is installed on the window frame so that the height of the inclined surface 16 is the same as the height of the bending piece 5 in the reset state, so that when the bending piece 5 collides with the inclined surface 16, the bending piece 5 moves upward under the elastic action until it is caught in the card slot 15 to complete the locking.

[0026] In this embodiment, a spring piece 7 is vertically installed on the buckle seat 13. The upper part of the spring piece 7 is inclined so that the spring piece 7 shields above the card slot 15. Among them, the spring piece 7 is inclined upward from the buckle seat 13 towards the lock piece 4. When unlocking is required, the transmission rod 1 drives the dial pin 2 to move upward through the handle, so that the bending piece 5 moves upward and presses against the spring piece 7 until it breaks away above the spring piece 7. Under the action of the spring 11, the bending piece 5 resets. Under the action of the spring piece 7, the bending piece 7 presses against the upper end of the spring piece 7. As Figure 7 shown, at this time, the bending piece 7 cannot be caught in the card slot 15, and the sash window can be moved and opened.

[0027] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present invention, various changes, modifications, substitutions, and variations made to these embodiments still fall within the protection scope of the present invention.

Claims

1. An automatic locking device for doors and windows, characterized in that: include: A locking plate unit, the locking plate unit comprising a transmission rod (1), the transmission rod (1) being provided with a locking plate (4), the locking plate (4) being elastically movable on the transmission rod (1); A locking unit (6) is provided on the locking unit (6) with a slot (15) corresponding to the locking piece (4) so ​​that the locking piece (4) can be inserted into the slot (15), and a spring piece (7) is obliquely provided above the slot (15) so that the locking piece (4) can be pressed against the upper end of the spring piece (7) after being separated from the slot (15).

2. The automatic locking device for doors and windows according to claim 1, characterized in that: The transmission rod (1) has a strip hole (3) at its upper portion and a pin (2) at its lower portion. A locking plate (4) is provided on one side of the strip hole (3) close to the lock catch unit, and a clamping plate (8) is provided on the other side. A bending plate (5) corresponding to the slot (15) is provided at the lower end of the locking plate (4). The locking plate (4) and the clamping plate (8) are connected by bolts so that the bolts are inserted into the strip hole (3). A first spring seat (9) is provided at one end of the clamping plate (8) close to the pin (2). A second spring seat (10) located on the transmission rod (1) is provided between the first spring seat (9) and the pin (2). The first spring seat (9) and the second spring seat (10) are connected by a spring (11).

3. The automatic locking device for doors and windows according to claim 2, characterized in that: A connecting piece (12) is provided on one side of the transmission rod (1) close to the locking unit, one end of the push pin (2) passes through the transmission rod (1) and is connected to the connecting piece (12), and the connecting piece (12) is fixed to the transmission rod (1) by means of screws.

4. The automatic locking device for doors and windows according to claim 1, characterized in that: The lock catch unit (6) comprises a lock catch seat (13), a lock catch (14) is arranged at the upper end of the lock catch seat (13), the locking slot (15) is opened at the upper end of the lock catch (14), and inclined surfaces (16) are arranged on both sides of the lock catch (14).

5. The automatic locking device for doors and windows according to claim 4, characterized in that: A spring sheet (7) is vertically mounted on the lock seat (13), and the upper portion of the spring sheet (7) is arranged to be inclined so that the spring sheet (7) blocks the upper portion of the card slot (15).

6. The automatic locking device for doors and windows according to claim 5, characterized in that: The spring piece (7) is tilted upward from the locking seat (13) toward the locking piece (4).

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