CN215949246U - Door and window with locking device - Google Patents

Abstract

The application relates to a door and window with a locking device, which belongs to the field of door and window equipment and comprises a window frame with glass and a fixed frame, wherein one side of the window frame is hinged with the fixed frame; the window frame is characterized by further comprising a driving device, transmission devices, locking plates and sealing devices, wherein the locking plates are arranged on the window frame, two sides of the window frame, which are perpendicular to the hinged edge, are respectively provided with one locking plate, the frame edges of the two sides of the window frame are respectively provided with a cavity for the locking plates to be clamped in, the fixing frame is provided with a long-strip-shaped groove for the locking plates to pass through, the driving device is arranged on the window frame, the window frame is internally and hollow, the transmission devices are arranged in two groups in the window frame, the driving devices are used for simultaneously driving the two groups of transmission devices to operate, and the transmission devices are used for simultaneously driving the two locking plates to move in or out of the long-strip-shaped groove; the sealing device is arranged between the window frame and the fixing frame and used for blocking a gap between the window frame and the fixing frame when the window frame is closed. This application has the effect that improves leakproofness between window frame and the fixed frame when the window frame is closed.

Description

Door and window with locking device

Technical Field

The application relates to the field of door and window equipment, in particular to a door and window with a locking device.

Background

The door and window has different functions according to different design requirements, such as: the door and window has the functions of heat preservation, heat insulation, sound insulation, water resistance, fire resistance and the like, the basic requirements of the door and window are firm and durable, the door and window is flexible to open, the maintenance and the cleaning are convenient, and the specification type meets the requirements of building industrialization.

In view of the above-mentioned related technologies, the inventor thinks that in winter, an indoor resident will habitually turn on an air conditioner or other heating equipment to ensure that the indoor environment is in a comfortable state, but the gap between the door and the window is large, which results in a large amount of heat lost indoors, and in order to keep the indoor environment temperature stable, the heating equipment such as the air conditioner and the heater needs to consume more energy to keep the indoor temperature. Resulting in the loss of heat from the room while consuming more of the heating power. Therefore, in order to save energy, it is a new requirement for doors and windows to improve the tightness when the doors and windows are closed.

SUMMERY OF THE UTILITY MODEL

In order to improve the leakproofness when door and window is closed, this application provides a door and window with locking device.

The application provides a door and window with locking device adopts following technical scheme:

a door and window with a locking device comprises a window frame with glass and a fixed frame, wherein the window frame and the fixed frame are both rectangular, and one side of the window frame is hinged with the fixed frame; the locking plate is positioned on the window frame, two sides of the window frame, which are perpendicular to the hinge edge, are respectively provided with one locking plate, and two frame edges of the window frame, which are perpendicular to the hinge edge, are respectively provided with a cavity for the locking plate to be clamped in; a long strip-shaped groove for the locking plate to pass through is formed in the position, opposite to the cavity, on the fixing frame; the window frame is characterized in that the driving device is arranged on the window frame, the inside of the window frame is hollow, the transmission devices are arranged in two groups in the window frame and are used for driving two groups of transmission devices to operate simultaneously, the transmission devices are used for driving two locking plates to move in or out of the strip-shaped groove simultaneously, the sealing device is arranged between the window frame and the fixed frame and is used for blocking a gap between the window frame and the fixed frame when the window frame is closed.

Through adopting above-mentioned technical scheme, under drive arrangement's drive, thereby two sets of transmission synchronous operation drive the rectangular groove of locking board immigration, window frame and fixed frame then are blocked by the locking board and do not take place relative motion this moment, have accomplished closing of window frame promptly. Meanwhile, when the window frame is closed, the sealing device arranged between the window frame and the fixing frame blocks a gap between the window frame and the fixing frame, so that the sealing property between the window frame and the fixing frame is increased, and the energy consumed by heating equipment increased by heat loss between the window frame and the fixing frame in cold weather is reduced.

Optionally, the sealing device includes a first sealing mechanism and a second sealing mechanism; the first sealing mechanisms are respectively arranged between the fixed frame and the window frame which are perpendicular to the hinged position, and the second sealing mechanisms are arranged between the fixed frame and the window frame which are parallel to the hinged edge; the first sealing device and the second sealing device are used for blocking a gap between the window frame and the fixed frame.

Through adopting above-mentioned technical scheme, when the window frame was closed, first sealing mechanism made the window frame on perpendicular to articulated limit and the gap between the fixed frame reduce, and second sealing mechanism made the window frame on parallel and articulated limit and the space between the fixed frame reduce to reached when the window frame was closed the better effect of whole leakproofness.

Optionally, the first sealing mechanism includes a sealing sleeve and a sealing strip, the sealing sleeve is disposed on the fixing frame, a part of the sealing sleeve is located in the elongated groove and attached to the inner wall of the elongated groove, and a part of the sealing sleeve located outside the elongated groove covers the frame wall of the fixing frame facing the window frame; the sealing strip is arranged on the window frame and is positioned at the position where the window frame is attached to the sealing sleeve.

Through adopting above-mentioned technical scheme, when the window frame was closed, the sealing sleeve was located the sealing strip laminating mutually on the part of rectangular inslot and the window frame, and sealing sleeve partly was located the rectangular inslot, so during the air conditioning of external environment was difficult for directly getting into indoor environment from the gap between window frame and the fixed frame, had reached the effect that increases the leakproofness between window frame and the fixed frame.

Optionally, the second sealing mechanism includes soft sealing block, ironbar and magnet, soft sealing block set up on the window frame and be on a parallel with the frame limit on the articulated limit of window frame, with the seal groove has been seted up on the corresponding fixed frame of soft sealing block, the seal groove is used for holding soft sealing block when the window frame is closed. The magnet sets up on soft seal block and follows the length direction setting of soft seal block, the ironbar sets up on the seal groove and follows the length direction setting of seal groove.

Through adopting above-mentioned technical scheme, when the window frame was closed, the soft seal block on the window frame received the extrusion of fixed frame and produced deformation to when the window frame was close to fixed frame, the soft seal block received the extrusion to get into in the seal groove, and was provided with magnet on the close soft seal block, and is provided with the ironbar in the seal groove, so when the soft seal block was close to the seal groove, because inter attraction between magnet and the ironbar, make in the soft seal block can get into the seal groove smoothly. At the moment, the outside cold air is not easy to directly enter the indoor environment from the gap between the window frame and the fixing frame, and the effect of improving the airtightness between the window frame and the fixing frame is achieved.

Optionally, the driving device comprises a handle, a rotating shaft and a driving bevel gear; the rotating shaft is rotatably arranged on the window frame in a penetrating mode, one end of the rotating shaft is located in the window frame, the other end of the rotating shaft is located outside the window frame, the driving bevel gear is coaxially arranged at one end, located in the window frame, of the rotating shaft, and the handle is arranged at one end, located outside the window frame, of the rotating shaft; the transmission device comprises a driven bevel gear, a rotating rod and a sleeve, the driven bevel gear on the transmission device is meshed with the drive bevel gear, the rotating rod is connected with the driven bevel gear in a coaxial line, the rotating rod is far away from the rod section of the driven bevel gear and is provided with threads, the sleeve thread sleeve is arranged on the thread section of the rotating rod, and the sleeve is connected with the locking plate.

Through adopting above-mentioned technical scheme, rotate the handle, the handle drives the axis of rotation and rotates to drive the rotation of drive bevel gear, drive bevel gear drives two driven bevel gear rotations simultaneously, thereby drives the dwang and rotates, and the threaded sleeve who establishes on dwang screw rod section rises or descends along the direction of threaded rod, thereby drives the locking board and moves in or shift out rectangular shape groove. When the locking plate moves into the elongated groove, the window frame and the fixing frame are clamped by the locking plate and do not move relatively, and the locking of the window frame is completed; and the locking plate is moved into the elongated groove to compress the sealing sleeve positioned in the elongated groove, so that the outside cold air is not easy to flow into the room from the gap between the sealing sleeve and the elongated groove, and the airtightness between the window frame and the fixing frame is improved.

Optionally, a limiting groove is formed in the rotating shaft, a limiting block is arranged on the handle and matched with the limiting groove in an inserted mode, and after the limiting block is inserted into the limiting groove, the handle rotates to drive the rotating shaft to rotate synchronously.

Through adopting above-mentioned technical scheme, stopper and spacing groove are pegged graft and are cooperated and have been realized dismantling between handle and the axis of rotation, because the axis of rotation inlays to be established on the window frame, when the handle is pulled down from the axis of rotation, be difficult for rotating opening of axis of rotation control window frame, so avoided other personnel open by mistake, the mistake bump the window frame that leads to and open and cause indoor temperature unstable.

Optionally, one end of the handle, which is far away from the limiting block, is provided with an anti-slip sleeve.

Through adopting above-mentioned technical scheme, when rotating the handle, the antiskid cover can prevent the relative motion between people's hand and the handle for the process of rotating the handle is more laborsaving.

Optionally, a through hole is formed in the window frame, and the through hole is located above the driving bevel gear.

By adopting the technical scheme, when the drive bevel gear and the driven bevel gear rotate difficultly, lubricating oil can be added to the drive bevel gear through the through hole so that the rotation between the drive bevel gear and the driven bevel gear is smoother.

In summary, the present application includes at least one of the following beneficial technical effects:

the driving device drives the transmission device to drive the locking plate to move into the elongated groove, namely the window frame is locked on the fixing frame at the moment, the sealing sleeve is tightly abutted to the elongated groove by the locking plate, the sealing sleeve is attached to the sealing strip, and the soft sealing block is attached to the inner wall of the sealing groove, so that a gap between the window frame and the fixing frame is reduced, and the sealing property of the window frame when closed is improved;

the handle can be detached from the rotating shaft, so that other personnel are not easy to open by mistake and the window frame is not easy to open by mistake to cause heat exchange between the indoor space and the outdoor space;

when the rotation between the driving bevel gear and the driven bevel gear is not smooth, lubricating oil can be added to the driving bevel gear through the through holes, so that the rotation between the driving bevel gear and the driven bevel gear is smooth.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a partial cross-sectional and exploded view of the driving device, the transmission device and the sealing device according to the embodiment of the present application.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of a portion B in fig. 2.

Fig. 5 is a partial sectional view of another embodiment of the present application for showing a driving device and a transmission device.

Description of reference numerals: 1. a window frame; 11. a through hole; 12. a cavity; 2. a fixing frame; 21. a strip-shaped groove; 22. a sealing groove; 3. a drive device; 31. a handle; 311. a limiting block; 312. an anti-slip sleeve; 32. a rotating shaft; 321. a limiting groove; 33. a drive bevel gear; 4. a transmission device; 41. a driven bevel gear; 42. rotating the rod; 43. a sleeve; 5. a locking plate; 6. a sealing device; 61. a first sealing mechanism; 611. sealing sleeves; 612. a sealing strip; 62. a second sealing mechanism; 621. a soft seal block; 622. iron bars; 623. a magnet; 7. a cylinder; 71. a connecting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses door and window with locking device. Referring to fig. 1 and 2, a door and window with a locking device comprises a window frame 1 with glass and a fixed frame 2, wherein the window frame 1 and the fixed frame 2 are both rectangular, and one side of the window frame 1 is hinged with the fixed frame 2; the window frame is characterized by further comprising a driving device 3, a transmission device 4, a locking plate 5 and a sealing device 6, wherein the locking plate 5 is rectangular, the locking plate 5 is arranged on the window frame 1 and on two sides of the window frame 1 perpendicular to the hinged edge, the two sides of the window frame 1 perpendicular to the hinged edge are respectively provided with a cavity 12 for the locking plate 5 to be clamped in, and the size of the cavity 12 is matched with that of the locking plate 5. The strip-shaped groove 21 for the locking plate 5 to pass through is formed in the position, right opposite to the cavity 12, of the fixing frame 2, and it is worth noting that the depth of the strip-shaped groove 21 is smaller than the width of the locking plate 5, namely after the locking plate 5 enters the strip-shaped groove 21, a part of the locking plate 5 is still remained in the cavity 12, and the locking plate 5 is made of materials with high strength such as iron or steel, so that the locking plate 5 is not easy to damage when the window frame 1 is closed. The driving device 3 is installed on the window frame 1, the inside of the window frame 1 is hollow, the transmission devices 4 are arranged in two groups in the hollow inside of the window frame 1, the driving device 3 is rotated, the driving device 3 drives the two groups of transmission devices 4 to operate simultaneously, and the transmission devices 4 drive the two locking plates 5 to move into or out of the elongated groove 21 under the driving of the driving device 3.

Referring to fig. 2 and 3, the sealing device 6 includes a first sealing mechanism 61 and a second sealing mechanism 62; the first sealing mechanisms 61 are respectively arranged between the fixed frame 2 and the window frame 1 which are perpendicular to the hinged part, and the second sealing mechanisms 62 are arranged between the fixed frame 2 and the window frame 1 which are parallel to the hinged part; the second sealing mechanism 62 comprises a soft sealing block 621, an iron bar 622 and a magnet 623, the soft sealing block 621 is adhered on the window frame 1 and parallel to the frame edge of the hinged edge of the window frame 1, and the length of the soft sealing block 621 is consistent with that of the window frame 1; the fixing frame 2 corresponding to the soft sealing block 621 is provided with a sealing groove 22, the length and width of the sealing groove 22 are consistent with those of the soft sealing block 621, that is, the soft sealing block 621 is attached to the wall of the sealing groove 22 after moving into the sealing groove 22. The iron bar 622 is installed on the sealing groove 22 and is arranged along the length direction of the sealing groove 22, the magnet 623 is adhered to one side, close to the sealing groove 22, of the soft sealing block 621 along the length direction of the soft sealing block 621, the magnet 623 is made of soft magnet strips, so that the soft sealing block 621 and the magnet 623 are easily stressed to deform when the window frame 1 is closed, meanwhile, under the mutual attraction of the magnet 623 and the iron bar 622, the soft sealing block 621 and the magnet 623 easily enter the sealing groove 22, at the moment, the soft sealing block 621 and the magnet 623 are attached to the sealing groove 22, and the sealing effect is achieved on the gap between the window frame 1 and the fixing frame 2.

Referring to fig. 2 and 4, the first sealing mechanism 61 includes a sealing sleeve 611 and a sealing strip 612, a part of the sealing sleeve 611 is located in the elongated groove 21 and is attached to the inner wall of the elongated groove 21, a part of the sealing sleeve 611 located outside the elongated groove 21 covers the frame wall of the fixing frame 2 facing the window frame 1, the sealing sleeve 611 and the fixing frame 2 are connected in an adhesion manner, and a part of the sealing sleeve 611 located outside the elongated groove 21 covers the frame wall of the fixing frame 2 facing the window frame 1; when the window frame 1 is closed, the part of the sealing sleeve 611 outside the elongated groove 21 is attached to the sealing strip 612, and because a part of the sealing sleeve 611 is located in the elongated groove 21, outdoor wind is not easy to enter the room through the gap between the window frame 1 and the fixing frame 2.

Referring to fig. 2 and 3, as an embodiment of the driving device 3 and the transmission 4 of the present application, the driving device 3 includes a handle 31, a rotating shaft 32, and a drive bevel gear 33; the rotating shaft 32 is rotatably arranged on the window frame 1 through a rolling bearing, and the specific embodiment mode is as follows: a rolling bearing is embedded in the frame wall of the window frame 1, and the rotating shaft 32 penetrates through the inner ring of the rolling bearing and then is in interference fit with the rolling bearing, so that the rotating shaft 32 can easily rotate relative to the window frame 1; the driving bevel gear 33 is positioned in the hollow part inside the window frame 1, the driving bevel gear 33 is coaxially connected with one end of the rotating shaft 32 positioned in the window frame 1, and the handle 31 is connected with one end of the rotating shaft 32 positioned outside the window frame 1; the handle 31 is rotated, and the handle 31 drives the rotating shaft 32 to rotate, so that the drive bevel gear 33 is driven to rotate.

Referring to fig. 4, the transmission 4 includes a driven bevel gear 41, a rotating lever 42, and a sleeve 43, and the rotating shaft 32 is rotatably provided in the hollow inside the window frame 1; the driven bevel gears 41 on the two groups of transmission devices 4 are meshed with the drive bevel gear 33, namely when the drive bevel gear 33 rotates, the two driven bevel gears 41 are driven to rotate simultaneously, the rotating rod 42 is coaxially connected with the driven bevel gears 41, a rod section of the rotating rod 42, which is far away from the driven bevel gears 41, is provided with threads, a sleeve 43 is sleeved on a thread section of the rotating rod 42 in a threaded manner, and one end of the rotating rod 42, which is far away from the driven bevel gears 41, is flush with the bottom wall of the cavity 12; the driven bevel gear 41 drives the rotating rod 42 to rotate together when rotating, the sleeve 43 sleeved on the rotating rod 42 in a threaded manner ascends or descends on the threaded rod section of the rotating rod 42, and one end, far away from the driven bevel gear 41, of the sleeve 43 is connected with the locking plate 5, so that the locking plate 5 ascends or descends under the driving of the sleeve 43, namely the locking plate 5 moves into or out of the window frame 1.

Referring to fig. 1, the window frame 1 is further provided with a through hole 11, and the through hole 11 is located above the drive bevel gear 33, so that when it is difficult to rotate the handle 31, lubricant oil can be dropped from the through hole 11 onto the drive bevel gear 33, so that the driving unit 3 can be smoothly operated. Sealing device 6 sets up between window frame 1 and fixed frame 2, and sealing device 6 is used for blockking the space between window frame 1 and the fixed frame 2 when window frame 1 is closed, has improved the leakproofness between window frame 1 and the fixed frame, has reduced indoor environment thermal loss to make the energy reduction that the heating installation consumes for keeping indoor temperature stable.

Referring to fig. 5, as another embodiment of the driving device 3 and the transmission device 4 according to the embodiment of the present invention, the driving device 3 includes a pneumatic switch (not shown in the figure) installed on the window frame 1 at the indoor side, the transmission device 4 includes a cylinder 7, two cylinders 7 are clamped in the hollow portion inside the window frame 1, the extending directions of the piston rods of the two cylinders 7 are opposite, and both the two cylinders 7 are connected to the pneumatic switch, that is, the pneumatic switch can control the two cylinders 7 to extend and retract simultaneously. The end of the piston rod of the cylinder 7 is provided with a connecting rod 71, the connecting rod 71 is movably arranged in the cavity 12 of the window frame 1, one end, far away from the cylinder 7, of the connecting rod 71 is connected with the locking plate 5, the cylinder 7 is started, and the cylinder 7 drives the connecting rod 71 to ascend or descend in the vertical direction, so that the locking plate 5 is driven to move into or out of the window frame 1.

Referring to fig. 2 and 3, a limiting groove 321 is formed in one side of the rotating shaft 32, which is located outside the window frame 1, a limiting block 311 is welded on the handle 31, the limiting block 311 is in insertion fit with the limiting groove 321, after the limiting block 311 is inserted into the limiting groove 321, the handle 31 rotates to drive the rotating shaft 32 to rotate synchronously, so that the driving bevel gear 33 rotates to drive the transmission device 4 to operate, and the locking plate 5 can be moved into or out of the elongated groove 21 through the rotation of the handle 31. After the window frame 1 is closed, the stopper 311 can be pulled out from the stopper groove 321, that is, the handle 31 is separated from the stopper groove 321, and the rotating shaft 32 is embedded in the window frame 1, so that after the handle 31 is pulled out, other people cannot easily rotate the rotating shaft 32 to open the window frame 1. In a specific environment, such as a thermostatic chamber, the detachable handle 31 prevents other people from mistakenly opening the window frame 1 to cause indoor temperature change; in daily life, if there is children at home, the potential safety hazard that children opened window frame 1 to a certain extent can be avoided to dismantling of handle 31. The handle 31 is further provided with an anti-slip sleeve 312 at one end away from the limiting block 311, the anti-slip sleeve 312 is made of rubber with a large friction coefficient, and when the handle 31 is rotated when the window frame 1 needs to be opened or closed, the hand of a person is not easy to slip with the handle 31.

The implementation principle of a door and window with a locking device in the embodiment of the application is as follows: when the window frame 1 needs to be closed, the handle 31 is rotated, the handle 31 drives the driving bevel gear 33 to rotate through the rotating shaft 32, the driving bevel gear 33 simultaneously drives the two driven bevel gears 41 to rotate, and therefore the two rotating rods 42 rotate, so that the sleeve 43 which is sleeved on the rotating rods 42 in a threaded manner drives the locking plate 5 to ascend or descend. So that the locking plate 5 enters the elongated groove 21 and is attached to the inner wall of the sealing sleeve 611 covered in the elongated groove 21, at this time, one part of the locking plate 5 is located in the cavity 12 on the window frame 1, and the other part is located in the elongated groove 21 of the fixing frame 2, thereby completing the locking of the window frame 1. When the window frame 1 is locked, the soft sealing block 621 enters the sealing groove 22, the sealing sleeve 611 is attached to the sealing strip 612, and the sealing sleeve 611 in the elongated groove 21 is pressed by the locking plate 5, so that cold air in the external environment is not easy to enter the indoor environment through a gap between the window frame 1 and the fixing frame 2, the sealing performance of the window frame 1 is improved when the window frame is closed, and the energy consumed by heating equipment increased due to indoor heat consumption in cold weather is reduced.

Claims (8)

1. A door and window with a locking device comprises a window frame (1) with glass and a fixed frame (2), wherein the window frame (1) and the fixed frame (2) are rectangular, and one side of the window frame (1) is hinged with the fixed frame (2); the method is characterized in that: the window frame is characterized by further comprising a driving device (3), a transmission device (4), locking plates (5) and a sealing device (6), wherein the locking plates (5) are located on the window frame (1), two sides, perpendicular to the hinged edge, of the window frame (1) are respectively provided with one locking plate, and two frame edges, perpendicular to the hinged edge, of the window frame (1) are respectively provided with a cavity (12) into which the locking plates (5) are clamped; a long groove (21) for the locking plate (5) to pass through is formed in the position, opposite to the cavity (12), on the fixing frame (2); drive arrangement (3) set up on window frame (1), the inside cavity of window frame (1) sets up, transmission (4) are provided with two sets ofly in window frame (1), drive arrangement (3) are used for driving two sets of transmission (4) operations simultaneously, transmission (4) are used for driving two locking plates (5) simultaneously and move into or shift out rectangular shape groove (21), sealing device (6) set up between window frame (1) and fixed frame (2), sealing device (6) are used for blockking the space between window frame (1) and fixed frame (2) when window frame (1) is closed.

2. The door and window with the locking device as claimed in claim 1, wherein: the sealing device (6) comprises a first sealing mechanism (61) and a second sealing mechanism (62); one first sealing mechanism (61) is arranged between the fixed frame (2) perpendicular to the hinged position and the window frame (1), and the second sealing mechanism (62) is arranged between the fixed frame (2) parallel to the hinged edge and the window frame (1); the first sealing mechanism (61) and the second sealing mechanism (62) are used for blocking a gap between the window frame (1) and the fixed frame (2).

3. The door and window with the locking device as claimed in claim 2, wherein: the first sealing mechanism (61) comprises a sealing sleeve (611) and a sealing strip (612), the sealing sleeve (611) is arranged on the fixing frame (2), one part of the sealing sleeve (611) is positioned in the elongated groove (21) and is attached to the inner wall of the elongated groove (21), and the part of the sealing sleeve (611) positioned outside the elongated groove (21) is covered on the frame wall of the fixing frame (2) opposite to the window frame (1); the sealing strip (612) is arranged on the window frame (1) and is positioned at the position where the window frame (1) is attached to the sealing sleeve (611).

4. The door and window with the locking device as claimed in claim 2, wherein: the second sealing mechanism (62) comprises a soft sealing block (621), an iron bar (622) and a magnet (623), the soft sealing block (621) is arranged on the window frame (1) and is parallel to the frame edge of the hinged edge of the window frame (1), a sealing groove (22) is formed in the fixing frame (2) corresponding to the soft sealing block (621), and the sealing groove (22) is used for accommodating the soft sealing block (621) when the window frame (1) is closed; magnet (623) set up on soft seal block (621) and set up along the length direction of soft seal block (621), ironbar (622) set up on seal groove (22) and set up along the length direction of seal groove (22).

5. The door and window with the locking device as claimed in claim 1, wherein: the driving device (3) comprises a handle (31), a rotating shaft (32) and a driving bevel gear (33); the rotating shaft (32) is rotatably arranged on the window frame (1) in a penetrating mode, one end of the rotating shaft (32) is located in the window frame (1), the other end of the rotating shaft is located outside the window frame (1), the driving bevel gear (33) is coaxially arranged at one end, located in the window frame (1), of the rotating shaft (32), and the handle (31) is arranged at one end, located outside the window frame (1), of the rotating shaft (32); transmission (4) are including driven bevel gear (41), dwang (42) and sleeve (43), and are two sets of driven bevel gear (41) on transmission (4) all mesh with initiative bevel gear (33) mutually, dwang (42) are connected with driven bevel gear (41) coaxial line, set up the screw thread on the pole section that driven bevel gear (41) were kept away from in dwang (42), sleeve (43) thread bush is established on the screw thread section of dwang (42), sleeve (43) are connected with locking plate (5).

6. The door and window with the locking device as claimed in claim 5, wherein: the handle is characterized in that a limiting groove (321) is formed in the rotating shaft (32), a limiting block (311) is arranged on the handle (31), the limiting block (311) is in plug-in fit with the limiting groove (321), and after the limiting block (311) is inserted into the limiting groove (321), the handle (31) rotates to drive the rotating shaft (32) to rotate synchronously.

7. The door and window with the locking device as claimed in claim 6, wherein: an anti-skidding sleeve (312) is arranged at one end, far away from the limiting block (311), of the handle (31).

8. The door and window with the locking device as claimed in claim 5, wherein: a through hole (11) is formed in the window frame (1), and the through hole (11) is located above the driving bevel gear (33).

Images