CN221143911U - Door and window locking device and door and window - Google Patents

Abstract

The utility model discloses a door and window locking device and a door and window, and relates to the technical field of doors and windows, and the door and window locking device comprises a frame, wherein a diamond gauze is arranged at the rear end of the frame, sliding grooves are formed in two sides of the inner wall of the frame, a second glass window is rotatably arranged between two sides of the inner wall of the lower end of the frame, a first glass window is hinged to the upper end of the second glass window, rectangular plates are rotatably arranged at two side ends of the first glass window.

Description

Door and window locking device and door and window

Technical Field

The utility model relates to the technical field of doors and windows, in particular to a door and window locking device and a door and window.

Background

The door and window is divided into a enclosing member or a separation member according to the different positions of the door and window, and has different design requirements, namely the functions of heat preservation, heat insulation, sound insulation, water resistance, fire resistance and the like, and the new requirements are energy saving, and the heat lost by gaps of the door and window in cold areas is lost;

at least the following technical problems are found in the prior door and window locking device and door and window:

First, present door and window can only be used for carrying out the separation to external world and indoor when using, can not take and carry out other uses to cause the practicality of door and window to reduce, when needs are placed the article that needs ventilation or absorption sunshine again outside the window in addition, still need in addition installing support, very troublesome.

Secondly, the current door and window can occupy the indoor space after opening for people can cause certain crowding when the balcony is moved, and when the door and window is like the external-open, the door and window is also easy to be hit by overhead throwing on the building, so inconvenient use.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a door and window locking device and a door and window, which solve the technical problems that the prior door and window can only be used for blocking the outside and the inside when in use, when the window is opened, the window still occupies space and cannot be used for other purposes, thereby reducing the practicability of the door and window, and when some articles needing ventilation or absorbing sunlight are required to be placed outside the window, the other brackets are required to be additionally arranged, and the technical problem is very troublesome.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

The utility model provides a door and window, includes the frame, the rear end of frame is equipped with buddha's warrior attendant gauze, the spout has all been seted up to the inner wall both sides of frame, rotate between the inner wall both sides of frame lower extreme, second glass window upper end articulates there is first glass window, rectangular plate is all installed in the rotation of both sides end of first glass window, two rectangular plate sliding mounting respectively in the frame sets up drives the spout, first glass window upper end is equipped with the pulling handle, wherein, fixed mounting has the cover that rotates in the spout that the frame inner wall right side was seted up, the circumferential surface of rotating the cover rotates installs the drive belt, drive belt right side end and rectangular plate fixed connection, wherein, drive belt lower extreme inner wall meshing has first flat gear, first flat gear front end runs through fixed mounting has the bull stick, the bull stick runs through the front end of rotation at the frame, bull stick front end fixed mounting has the second bevel gear, second bevel gear circumferential surface right side end meshing has first bevel gear, wherein, first bevel gear right side end is equipped with the threaded rod, wherein the left side is equipped with the threaded rod, and the both sides is equipped with the round bar.

Preferably: the moving plate on the left side is in threaded connection with the circumferential surface of the moving plate through left-handed threads, and the moving plate on the right side is in threaded connection with the circumferential surface of the moving plate through right-handed threads.

Preferably: the front ends of the two movable plates are hinged with rotating plates, the two movable plates are hinged with each other, and a supporting frame is fixedly arranged at the upper end of the rotating plate positioned at the left side.

Preferably: the front end of the frame is fixedly provided with a rectangular frame, wherein two rotating plates are positioned in the rectangular frame.

Preferably: the locking mechanism comprises an L-shaped frame plate, the L-shaped frame plate is fixedly arranged at the front end of the frame, a rectangular through hole is formed in the front end of the L-shaped frame plate in a penetrating mode, a U-shaped frame is fixedly arranged at the front end of the L-shaped frame plate, and a T-shaped pull rod is arranged at the front end of the U-shaped frame in a penetrating and sliding mode.

Preferably: the triangular block is fixedly arranged at the rear end of the T-shaped pull rod, and a spring is movably sleeved on the circumferential surface of the T-shaped pull rod, wherein the spring is fixedly arranged between the inner wall of the U-shaped frame and the triangular block.

Preferably: the L-shaped frame plates in the two groups of locking mechanisms are respectively provided with locking plates, wherein two locking plates are respectively rotatably arranged at two sides of the front end of the first glass window through bearings.

Preferably: the front ends of the two locking plates are provided with mounting holes in a penetrating way, wherein the triangular blocks in the two groups of locking mechanisms are respectively and slidably arranged in the mounting holes formed in the two locking plates.

Preferably: the upper end of the locking plate positioned at the left side is fixedly provided with a first supporting rod, wherein the upper end of the first supporting rod is inserted and slidably provided with a first adjusting rod.

Preferably: the right side is provided with a second supporting rod fixedly arranged at the upper end of the locking plate, and limit grooves are formed in two side ends of the second supporting rod, wherein the second supporting rod is provided with a second adjusting rod through limit sliding.

(III) beneficial effects

And (3) a step of: according to the utility model, the lower end of the second glass window is rotatably arranged in the frame, the first glass window and the second glass window are hinged, and then the rectangular plates are arranged at the two side ends of the first glass window, so that the first glass window and the second glass window can be in a parallel state when the door window is opened, then some articles needing ventilation or absorbing sunlight can be placed at the upper end of the first glass window, and the mounting bracket is not needed to be arranged at the outer side of the door window, so that the using versatility of the door window is greatly improved.

And II: according to the utility model, the rectangular plates and the driving belts which are arranged at the two measuring ends of the first glass window, the rotating sleeve and the first flat gear are used for driving the first flat gear to rotate while the first glass window and the second glass window are opened, and then the two rotating plates are adjusted to move forward until being attached to the front of the lower end of the second glass window, so that the operation is simple, independent operation is not needed, and secondary support is effectively provided for the second glass window.

Thirdly,: according to the utility model, the first support rod and the second support rod are arranged at the upper end of the locking plate, so that the first support rod and the second support rod of the device can be used simultaneously when a door or a window is opened, and after the device is used, a protective device can be formed at the upper end of the first glass window, so that glass on the first glass window can be protected, the glass on the first glass window is prevented from being pressed by a heavy object, and the safety of the first glass window is improved.

Fourth, the method comprises the following steps: according to the utility model, the L-shaped frame plate, the U-shaped frame, the T-shaped pull rod and the triangular blocks are arranged, so that when the device is opened, the triangular blocks can be pulled out from the mounting holes formed in the locking plates only by pulling the T-shaped pull rod, the first glass window and the second glass window are opened conveniently, and when the door and the window are closed, only the two locking plates are required to be rotated, and under the design of the bevel edge at the upper end of the triangular blocks, the two triangular blocks are automatically retracted into the rectangular through holes formed in the L-shaped frame plate and then are clamped with the mounting holes formed in the locking plates under the elasticity of the springs, so that the door and the window are locked conveniently.

Drawings

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

FIG. 1 is a block diagram of the overall utility model;

FIG. 2 is a block diagram of the framework of the present utility model;

FIG. 3 is a block diagram of the framework of the present utility model;

FIG. 4 is a block diagram of a first glazing of the utility model;

FIG. 5 is a block diagram of the latch plate of the present utility model;

FIG. 6 is a block diagram of a rotating plate of the present utility model;

FIG. 7 is a block diagram of a mobile plate of the present utility model;

FIG. 8 is a block diagram of a U-shaped frame of the present utility model;

FIG. 9 is an enlarged view of the structure of FIG. 3A in accordance with the present utility model;

Fig. 10 is an enlarged view of the structure of fig. 3B according to the present utility model.

Legend description: 11. an L-shaped frame plate; 12. a U-shaped frame; 13. a T-shaped pull rod; 14. rectangular through holes; 15. a spring; 16. triangular blocks; 21. a first bevel gear; 22. a moving plate; 23. a rotating plate; 24. a threaded rod; 25. a support frame; 26. a rectangular frame; 31. a frame; 32. a chute; 33. a diamond gauze; 41. a second bevel gear; 42. a rotating rod; 43. a transmission belt; 44. a first flat gear; 45. a rotating sleeve; 51. a first glazing; 52. pulling the handle; 53. a rectangular plate; 55. a second glazing; 61. a latch plate; 62. a mounting hole; 63. a first support bar; 64. a first adjusting lever; 65. a second adjusting lever; 66. and a second support bar.

Detailed Description

According to the door and window locking device and the door and window, the problem that the existing door and window can only be used for blocking the outside and the inside when being used is solved, when the window is opened, the window still occupies space and cannot be used for other purposes, so that the practicability of the door and window is reduced, and when some articles needing ventilation or absorbing sunlight are required to be placed outside the window, the articles are required to be additionally provided with the support frame, so that the door and window locking device is very troublesome.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, the technical scheme in the embodiment of the application is to effectively solve the technical problems that the prior door and window can only be used for blocking the outside and the inside when in use, when the window is opened, the window occupies space and cannot be used for other purposes, thereby reducing the practicability of the door and window, and when some articles needing ventilation or absorbing sunlight are required to be placed outside the window, the other brackets are required to be additionally arranged, and the technical problems are very troublesome, and the general idea is as follows:

Aiming at the problems existing in the prior art, the utility model provides a door and window, which comprises a frame 31, wherein the rear end of the frame 31 is provided with a diamond gauze 33, both sides of the inner wall of the frame 31 are provided with sliding grooves 32, a second glass window 55 is rotatably arranged between both sides of the inner wall of the lower end of the frame 31, the upper end of the second glass window 55 is hinged with a first glass window 51, both sides of the first glass window 51 are rotatably provided with rectangular plates 53, the two rectangular plates 53 are respectively and slidably arranged in the sliding grooves 32 formed in the frame 31, the upper end of the first glass window 51 is provided with a pulling handle 52, a rotating sleeve 45 is fixedly arranged in the sliding groove 32 formed in the right side of the inner wall of the frame 31, the circumference surface of the rotating sleeve 45 is rotatably provided with a driving belt 43, the right side end of the driving belt 43 is fixedly connected with a rectangular plate 53, wherein the inner wall of the lower end of the driving belt 43 is meshed with a first flat gear 44, the front end of the first flat gear 44 is fixedly provided with a rotating rod 42 in a penetrating way, the rotating rod 42 is rotatably arranged at the front end of the frame 31 in a penetrating way, the front end of the rotating rod 42 is fixedly provided with a second bevel gear 41, the right side end of the circumference surface of the second bevel gear 41 is meshed with a first bevel gear 21, when the door and window are opened, a user pulls two T-shaped pull rods 13 in turn, so that the two T-shaped pull rods 13 can drive triangular blocks 16 to move forwards, at the moment, the two triangular blocks 16 can be separated from mounting holes 62 formed by two locking plates 61, the user can turn over the two locking plates 61 relatively, the two locking plates 61 are moved out from the inside of the two L-shaped frame plates 11, the user can pull the pulling handle 52, the first glass window 51 is rotatably connected with the frame 31 through the rectangular plate 53, the rectangular plate 53 is slidably arranged in the sliding groove 32 formed in the frame 31, the second glass window 55 is rotatably connected with the frame 31, so that the upper end of the first glass window 51 slowly descends until being attached with the lower end of the second glass window 55 through the hinge joint between the first glass window 51 and the second glass window 55, when the first glass window 51 and the second glass window 55 are in a parallel state, the door and window is opened, the utility model uses the hinge design between the first glass window 51 and the second glass window 55 by rotating the inside of the frame 31 arranged at the lower end of the second glass window 55, then sets the rectangular plates 53 at the two side ends of the first glass window 51, thus when the door and window is opened, the first glass window 51 and the second glass window 55 can be in a parallel state, then some articles needing ventilation or absorbing sunlight can be placed at the upper end of the first glass window 51, the mounting bracket is not needed to be removed at the outer side of the door and window, the versatility of the door and window is greatly improved, wherein the right side end of the first bevel gear 21 is fixedly provided with the threaded rod 24 in a penetrating way, the circumference surface of the threaded rod 24 is provided with two movable plates 22, wherein the left side and the right side of the front end of the frame 31 are respectively provided with a locking mechanism, the movable plate 22 positioned on the left side is in threaded connection with the circumference surface of the movable plate 22 through left-hand threads, the movable plate 22 positioned on the right side is in threaded connection with the circumference surface of the movable plate 22 through right-hand threads, the front ends of the two movable plates 22 are hinged with the rotating plates 23, the two rotating plates 23 are hinged with each other, the upper end of the rotating plate 23 positioned on the left side is fixedly provided with a supporting frame 25, the front end of the frame 31 is fixedly provided with a rectangular frame 26, the two rotating plates 23 are positioned inside the rectangular frame 26, while the door and window are opened, the left rectangular plate 53 drives the driving belt 43 to move downwards, at this time, the upper end of the driving belt 43 is rotatably mounted on the circumferential surface of the rotating sleeve 45, and the lower end of the driving belt is meshed with the first flat gear 44, so that when one side of the driving belt 43 moves downwards, the driving belt 43 drives the first flat gear 44 to rotate through the meshing with the first flat gear 44, the first flat gear 44 drives the rotating rod 42 to rotate when rotating, the rotating rod 42 drives the second bevel gear 41 to rotate, at this time, the first bevel gear 21 rotates along with the driving of the second bevel gear 41 through the meshing between the second bevel gear 41 and the first bevel gear 21, at this time, the first bevel gear 21 drives the threaded rod 24 to rotate, and the threads on the circumferential surfaces of the two side ends of the threaded rod 24 are different, so that the rotation of the threaded rod 24 drives the two moving plates 22 to move relatively, and when the two moving plates 22 move relatively, the support frame 25 moves towards the front end through the hinge connection between the moving plate 22 and the rotating plate 23 and the hinge connection between the two rotating plates 23, and moves to the lower end of the second glass window 55, and at this time, the lower end in front of the parallel second glass window 55 contacts with the support frame 25, so that the support frame 25 supports the second glass window 55 and the first glass window 51, according to the utility model, the rectangular plates 53 and the driving belts 43 which are arranged at the two measuring ends of the first glass window 51, the rotating sleeve 45 and the first flat gear 44 are used for driving the first flat gear 44 to rotate while the first glass window 51 and the second glass window 55 are opened, and then the two rotating plates 23 are adjusted to move forward until being attached to the front of the lower end of the second glass window 55, so that the operation is simple, independent operation is not needed, and secondary support is effectively provided for the second glass window 55.

The locking mechanism comprises an L-shaped frame plate 11, the L-shaped frame plate 11 is fixedly arranged at the front end of a frame 31, a rectangular through hole 14 is formed in the front end of the L-shaped frame plate 11 in a penetrating manner, a U-shaped frame 12 is fixedly arranged at the front end of the L-shaped frame plate 11, a T-shaped pull rod 13 is arranged at the front end of the U-shaped frame 12 in a penetrating sliding manner, a triangular block 16 is fixedly arranged at the rear end of the T-shaped pull rod 13, a spring 15 is movably sleeved on the circumferential surface of the T-shaped pull rod 13, the spring 15 is fixedly arranged between the inner wall of the U-shaped frame 12 and the triangular block 16, locking plates 61 are arranged in the L-shaped frame plates 11 in the two groups of locking mechanisms, the two locking plates 61 are respectively rotatably arranged at two sides of the front end of a first glass window 51 through bearings, the front ends of the two locking plates 61 are respectively penetrated and provided with a mounting hole 62, wherein triangular blocks 16 in the two groups of locking mechanisms are respectively and slidably arranged in the mounting holes 62 formed in the two locking plates 61, after the first glass window 51 and the second glass window 55 are opened, a user can move the first adjusting rod 64, pull the first adjusting rod 64 out of the rear end of the rectangular plate 53, then place the lower end of the first adjusting rod 64 at the upper end of the first glass window 51, pull the second adjusting rod 65 out of the rear end of the second supporting rod 66, rotate the second supporting rod 66, mount the second supporting rod 66 at the upper end of the first adjusting rod 64, the second adjusting rod 65 is inserted back to the surface of the second supporting rod 66, the lower end of the second adjusting rod 65 is attached to the upper end of the first glass window 51, at this time, a user can put some potted plants or articles needing ventilation and absorbing sunlight on the upper end of the first glass window 51 to ventilate or absorb sunlight, the first supporting rod 63 and the second supporting rod 66 are placed on the upper end of the locking plate 61, so that the first supporting rod 63 and the second supporting rod 66 of the device can be used simultaneously when the door and window are opened, after the device is used, a protective device can be formed on the upper end of the first glass window 51, the glass on the first glass window 51 can be protected, the glass on the first glass window 51 is prevented from being pressed by a heavy object, the safety of the first glass window 51 is improved, a first supporting rod 63 is fixedly arranged at the upper end of a locking plate 61 positioned at the left side, a first adjusting rod 64 is installed at the upper end of the first supporting rod 63 in a penetrating and sliding mode, a second supporting rod 66 is fixedly arranged at the upper end of the locking plate 61 positioned at the right side, limit grooves are formed in two side ends of the second supporting rod 66, a second adjusting rod 65 is installed at the second supporting rod 66 in a limiting and sliding mode, and the glass window is characterized in that a first adjusting rod 64 is installed at the upper end of the first supporting rod 63 in a penetrating and sliding mode, and a second adjusting rod 65 is installed at the two side ends of the second supporting rod 66 in a limiting and sliding mode through an L-shaped frame plate 11, a U-shaped frame 12 and a T-shaped pull rod 13, The triangular blocks 16 enable the triangular blocks 16 to be pulled out of the mounting holes 62 formed in the locking plates 61 only by pulling the T-shaped pull rods 13 when the device is opened, so that the first glass window 51 and the second glass window 55 are conveniently opened, the two locking plates 61 are only required to be rotated when the door and the window are closed, the triangular blocks 16 are automatically retracted into the rectangular through holes 14 formed in the L-shaped frame plates 11 under the oblique side design of the upper ends of the triangular blocks 16, and then are clamped with the mounting holes 62 formed in the locking plates 61 under the elasticity of the springs 15, so that the locking of doors and windows is conveniently completed.

Working principle:

In the first step, when the door and window is opened, a user pulls the two T-shaped pull rods 13 in turn, so that the two T-shaped pull rods 13 drive the triangular blocks 16 to move forwards, at the moment, the two triangular blocks 16 are separated from the mounting holes 62 formed in the two locking plates 61, at the moment, the user can turn over the two locking plates 61 relatively, the two locking plates 61 can be moved out of the two L-shaped frame plates 11, at the moment, the user can pull the pulling handle 52, the first glass window 51 is rotatably connected with the frame 31 through the rectangular plate 53, the rectangular plate 53 is slidably arranged in the sliding groove 32 formed in the frame 31, the second glass window 55 is rotatably connected with the frame 31, so that the upper end of the first glass window 51 can slowly descend until being attached to the lower end of the second glass window 55, when the first glass window 51 and the second glass window 55 are in a parallel state, the door and window is opened, the door and window can be placed on the outer side of the second glass window 55 through the first glass window and the second glass window 55, and the door and window can be rotatably arranged on the side of the second glass window 55.

In the second step, when the door and window are opened, the left rectangular plate 53 drives the driving belt 43 to move downwards, at this time, the upper end of the driving belt 43 is rotatably mounted on the circumferential surface of the rotating sleeve 45, and the lower end of the driving belt is meshed with the first flat gear 44, so that when one side of the driving belt 43 moves downwards, the driving belt 43 drives the first flat gear 44 to rotate through meshing with the first flat gear 44, the first flat gear 44 drives the rotating rod 42 to rotate when rotating, the rotating rod 42 drives the second bevel gear 41 to rotate, at this time, through meshing between the second bevel gear 41 and the first bevel gear 21, the first bevel gear 21 rotates along with the driving of the second bevel gear 41, at this time, the first bevel gear 21 drives the threaded rod 24 to rotate, and because threads on the circumferential surfaces of two side ends of the threaded rod 24 are different, the rotation of the threaded rod 24 drives the two moving plates 22 to move relatively, when the two moving plates 22 move relatively, the support frame 25 moves towards the front end through the hinging of the moving plates 22 and the rotating plates 23 and the hinging of the two rotating plates 23, and moves to the lower end of the second glass window 55, at the moment, the lower end in front of the parallel second glass window 55 is contacted with the support frame 25, so that the support frame 25 supports the second glass window 55 and the first glass window 51, and the rectangular plates 53, the driving belt 43, the rotating sleeve 45 and the first flat gear 44 which are arranged at the two ends of the first glass window 51, simultaneously, the first flat gear 44 can be driven to rotate when the first glass window 51 and the second glass window 55 are opened, then the two rotating plates 23 are adjusted to move forwards until being jointed with the lower end of the second glass window 55, not only is the operation simple, no separate operation is required, but secondary support is also effectively provided to the second glazing 55.

Third, after the first glass window 51 and the second glass window 55 are opened, the user can move the first adjusting rod 64, pull the first adjusting rod 64 out of the rear end of the rectangular plate 53, then place the lower end of the first adjusting rod 64 at the upper end of the first glass window 51, pull the second adjusting rod 65 out of the rear end of the second supporting rod 66, rotate the second supporting rod 66, put the second supporting rod 66 on the upper end of the first adjusting rod 64, insert the second adjusting rod 65 back to the surface of the second supporting rod 66, attach the lower end of the second adjusting rod 65 to the upper end of the first glass window 51, at this time, the user can put some potted or articles needing ventilation and absorbing sunlight at the upper end of the first glass window 51, and ventilate or absorb sunlight.

According to the utility model, through the L-shaped frame plate 11, the U-shaped frame 12, the T-shaped pull rod 13 and the triangular block 16, when the device is opened, the triangular block 16 can be pulled out of the mounting hole 62 formed in the locking plate 61 only by pulling the T-shaped pull rod 13, so that the first glass window 51 and the second glass window 55 are conveniently opened, and when the door and the window are closed, only the two locking plates 61 are required to be rotated, under the design of the bevel edge at the upper end of the triangular block 16, the two triangular blocks 16 are automatically retracted into the rectangular through holes 14 formed in the L-shaped frame plate 11 and then are clamped with the mounting holes 62 formed in the locking plates 61 under the elasticity of the springs 15, so that the locking of the door and the window is completed, and the locking is quite convenient.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (10)

1. A door and window comprising a frame (31), characterized in that: the rear end of the frame (31) is provided with a diamond gauze (33), both sides of the inner wall of the frame (31) are provided with sliding grooves (32), a second glass window (55) is rotatably arranged between both sides of the inner wall of the lower end of the frame (31), the upper end of the second glass window (55) is hinged with a first glass window (51), both sides of the first glass window (51) are rotatably provided with rectangular plates (53), the two rectangular plates (53) are respectively and slidably arranged in the driving sliding grooves (32) formed in the frame (31), and the upper end of the first glass window (51) is provided with a pulling handle (52);

a rotating sleeve (45) is fixedly arranged in a sliding groove (32) formed in the right side of the inner wall of the frame (31), a driving belt (43) is rotatably arranged on the circumferential surface of the rotating sleeve (45), and the right side end of the driving belt (43) is fixedly connected with a rectangular plate (53);

The inner wall of the lower end of the driving belt (43) is meshed with a first flat gear (44), the front end of the first flat gear (44) is fixedly provided with a rotating rod (42) in a penetrating mode, the rotating rod (42) is rotatably arranged at the front end of the frame (31) in a penetrating mode, the front end of the rotating rod (42) is fixedly provided with a second bevel gear (41), and the right side end of the circumferential surface of the second bevel gear (41) is meshed with a first bevel gear (21);

The right side end of the first bevel gear (21) is fixedly provided with a threaded rod (24) in a penetrating mode, and the circumferential surface of the threaded rod (24) is provided with two moving plates (22);

wherein the left side and the right side of the front end of the frame (31) are respectively provided with a locking mechanism.

2. A door and window as claimed in claim 1, wherein: the moving plate (22) positioned on the left side is in threaded connection with the circumferential surface of the moving plate (22) through left-handed threads;

Wherein, the moving plate (22) on the right side is connected with the circumferential surface of the moving plate (22) through right-handed threads.

3. A door and window as claimed in claim 2, wherein: the front ends of the two moving plates (22) are hinged with rotating plates (23), and the two rotating plates (23) are hinged;

wherein, the upper end of the rotating plate (23) positioned at the left side is fixedly provided with a supporting frame (25).

4. A door and window as claimed in claim 3, wherein: a rectangular frame (26) is fixedly arranged at the front end of the frame (31);

Wherein, both the rotating plates (23) are positioned inside the rectangular frame (26).

5. A door and window locking apparatus, the door and window locking apparatus comprising a latch mechanism as claimed in claim 1, wherein: the locking mechanism comprises an L-shaped frame plate (11), the L-shaped frame plate (11) is fixedly arranged at the front end of the frame (31), and a rectangular through hole (14) is formed in the front end of the L-shaped frame plate (11) in a penetrating manner;

The front end of the L-shaped frame plate (11) is fixedly provided with a U-shaped frame (12), and the front end of the U-shaped frame (12) is penetrated and slidably provided with a T-shaped pull rod (13).

6. The door and window locking apparatus of claim 5, wherein: a triangular block (16) is fixedly arranged at the rear end of the T-shaped pull rod (13), and a spring (15) is movably sleeved on the circumferential surface of the T-shaped pull rod (13);

the spring (15) is fixedly arranged between the inner wall of the U-shaped frame (12) and the triangular block (16).

7. The door and window locking apparatus of claim 6, wherein: the L-shaped frame plates (11) in the two groups of locking mechanisms are respectively provided with a locking plate (61);

Wherein, two locking plates (61) are respectively rotatably arranged at the two sides of the front end of the first glass window (51) through bearings.

8. The door and window locking apparatus of claim 7, wherein: the front ends of the two locking plates (61) are provided with mounting holes (62) in a penetrating way;

The triangular blocks (16) in the two groups of locking mechanisms are respectively and slidably arranged in mounting holes (62) formed in the two locking plates (61).

9. The door and window locking apparatus of claim 8, wherein: the upper end of the locking plate (61) positioned at the left side is fixedly provided with a first supporting rod (63);

the upper end of the first supporting rod (63) is inserted and slidably provided with a first adjusting rod (64).

10. The door and window locking apparatus of claim 9, wherein: a second supporting rod (66) is fixedly arranged at the upper end of the locking plate (61) positioned on the right side, and limit grooves are formed in the two side ends of the second supporting rod (66);

The second supporting rod (66) is provided with a second adjusting rod (65) through a limiting sliding mode.