CN221096196U - Limit structure and flat-open down-hung window - Google Patents

Abstract

The utility model is suitable for the field of door and window manufacturing, and provides a limiting structure and a casement down-hung window, wherein the limiting structure comprises a lock seat and an adjusting component, the adjusting component is arranged on a window sash, the lock seat is arranged at the bottom of the window frame, the lock seat is provided with a first limiting part, the adjusting component is movably provided with a locking piece, the locking piece can be matched with the first limiting part, and the locking piece is provided with an initial position and a second position; when the transmission assembly is in the flat-open position and the locking piece is in the initial position, the locking piece is separated from the first limiting part; when the locking piece is in the second position, the locking piece is matched with the first limiting part to limit the window sash not to be opened horizontally; when the transmission assembly is switched from the flat-open position to the hanging position, the locking piece is matched with the first limiting part to lock the bottom edges of the window sash and the window frame. The safety hidden trouble that can avoid the maloperation to open casement and cause taking place to drop is located window structure inside and is guaranteed window structure outside complete and aesthetic property.

Description

Limit structure and flat-open down-hung window

Technical Field

The utility model belongs to the field of door and window manufacturing, and particularly relates to a limiting structure and a casement lower hung window.

Background

In building construction, the casement down-hung window is more and more common, the window type can be horizontally opened and hung down, the horizontally opened gesture can give consideration to large air volume ventilation when a user is indoors, the hung down gesture can give consideration to ventilation when the user leaves indoors, and rainwater can be prevented from drifting into the indoor from the window when the user blows wind and rains, so that the horizontally opened down-hung window type can be favored by more and more users. However, since the casement and the underslung of the window sash are both operated by the handle, under the condition that no adult is at home, children easily operate by mistake to open the window sash in a casement state, so that potential safety hazards of falling from the window are likely to occur.

Disclosure of utility model

The utility model provides a limiting structure, and aims to solve the problem that in the prior art, the casement cannot be limited to be opened horizontally, so that children can easily misoperate the casement to be opened horizontally, and potential safety hazards are generated.

The utility model is realized in this way, a limit structure is used for the flat-open underslung window, the flat-open underslung window includes casement, window frame and drive assembly, the drive assembly includes flat-open position, locking position and underslung position, limit structure includes:

The lock seat is arranged on the window frame and is provided with a first limiting part;

The adjusting component is movably arranged on the side edge of the window sash and is in transmission connection with the transmission component;

The locking piece is movably arranged on the window sash and is connected with the adjusting component, the locking piece is provided with an initial position and a second position in the moving direction of the adjusting component, and the adjusting component is used for adjusting the position conversion of the locking piece between the initial position and the second position;

When the transmission assembly is in a flat-open position, the transmission assembly drives the adjusting assembly and the locking piece to a preset position, and when the locking piece is in an initial position, the locking piece is separated from the first limiting part, and the window sash can be flat-opened; when the locking piece is in the second position, the locking piece is matched with the first limiting part to limit the casement to be opened horizontally.

Further, the locking piece is arranged at the bottom of the window sash, the lock seat is arranged at the bottom of the window frame, the transmission assembly is switched from a flat-open position to a hanging position, the locking piece is arranged at an initial position or a second position, and the transmission assembly drives the adjusting assembly and the locking piece to leave from the preset position and enables the locking piece to be matched with the first limiting part so as to lock the window sash and the bottom edge of the window frame.

Further, the locking piece is movably disposed at the bottom outside the window sash side, the lock base is fixedly disposed at the bottom inside the window frame side, and the adjusting assembly further includes:

The bottom plate is movably arranged on the outer side of the window sash side edge and above the locking piece, the bottom plate is connected with the transmission assembly, and a first hole site and a second hole site are arranged on the bottom plate at intervals along the moving direction of the adjusting assembly;

The panel is movably arranged on the outer side of the side edge of the window sash and is positioned above the locking piece, the panel is connected with the locking piece, and a connecting column which can be matched with the first hole site or the second hole site is telescopically arranged on the panel;

The locking member is in an initial position when the connecting post is mated with the first aperture and in a second position when the connecting post is mated with the second aperture.

Further, the locking piece is movably arranged at the bottom edge of the window sash, the lock seat is fixedly arranged at the bottom edge of the window frame, and the adjusting assembly further comprises:

The bottom plate is movably arranged on the outer side of the window sash side edge and above the locking piece, the bottom plate is connected with the transmission assembly, and a first hole site and a second hole site are arranged on the bottom plate at intervals along the moving direction of the adjusting assembly;

The panel is movably arranged outside the side edge of the window sash, and a connecting column which can be matched with the first hole site or the second hole site is telescopically arranged on the panel;

The angle driver is arranged at the corner of the window sash and is respectively connected with the panel and the locking piece;

The locking member is in an initial position when the connecting post is mated with the first aperture and in a second position when the connecting post is mated with the second aperture.

Further, the connecting column can stretch out and draw back along the axial direction of the first hole site or the second hole site, and the adjusting component further comprises an elastic piece, wherein the elastic piece is arranged in the panel and provides pretightening force for the connecting column to extend out of the panel.

Further, the outside of spliced pole is equipped with annular flange, the panel is equipped with logical groove, the spliced pole wears to establish logical groove, the lateral wall of logical groove is equipped with first step, the elastic component is arranged in logical inslot and cover is located the spliced pole is outside, the one end of elastic component with annular flange looks butt, the other end with first step looks butt.

Further, the adjusting assembly further comprises a cover plate, and the cover plate is fixedly arranged at one end, far away from the bottom plate, of the connecting column and is abutted to the surface of the panel.

Further, the locking piece is movably arranged at the bottom outside the side edge of the window sash, the lock seat is fixedly arranged at the bottom inside the side edge of the window frame, the adjusting component further comprises a sliding block, the sliding block is movably arranged at the outside of the side edge of the window sash and is connected with the transmission component, a sliding groove is arranged at one side of the locking piece, which faces the window sash, the sliding groove extends along the moving direction of the adjusting component, the sliding block is arranged in the sliding groove and can move in the sliding groove, when the sliding block is positioned at one end of the sliding groove, which is close to the bottom of the window frame, the locking piece is positioned at an initial position, and when the sliding block is positioned at one end of the sliding groove, which is close to and far from the bottom of the window frame, the locking piece is positioned at a second position.

Further, the locking piece is movably arranged at the bottom edge of the window sash, the lock seat is arranged at the bottom edge of the window frame, and the adjusting assembly further comprises:

the sliding block is movably arranged outside the side edge of the window sash and is connected with the transmission assembly;

The moving piece is movably arranged on the outer side of the side edge of the window sash, one side, facing the window sash, of the moving piece is provided with a sliding groove, the sliding groove extends along the moving direction of the adjusting component, and the sliding block is arranged in the sliding groove and can move in the sliding groove;

the angle driver is arranged at the corner of the window sash and is respectively connected with the moving piece and the locking piece, when the sliding block is positioned at one end of the sliding groove close to the bottom of the window frame, the locking piece is positioned at the initial position, and when the sliding block is positioned at one end of the sliding groove far away from the bottom of the window frame, the locking piece is positioned at the second position.

Further, a plurality of first teeth have been laid to one side that the slider deviates from the casement, a plurality of second teeth have been laid to the bottom of spout, first tooth with the second tooth meshing, adjusting part still includes the connecting piece, the bar logical groove has been seted up to the bottom of spout, the connecting piece wears to establish in proper order the bar logical groove the slider and with the slider can dismantle the connection with the locking the slider is in the removal in the spout.

Further, the locking piece comprises a locking part, and when the locking piece is in an initial position in the flat-open position, the locking part is positioned outside the first limiting part; when the locking piece is in the second position, the locking part is positioned at one side of the first limiting part, which is away from the casement direction, so that the first limiting part can block the casement; when the transmission assembly is switched from the flat-open position to the underslung position, the transmission assembly transmits the adjusting assembly to enable the locking part to move to one side of the first limiting part, which is away from the flat-open direction of the window sash, and move along the side.

Further, when the locking member is disposed at the bottom of the outer side of the window sash side, the locking member is a latch, and the locking portion is disposed at a side of the latch facing the window frame, and when the transmission assembly is switched from the flat-open position to the hanging-down position, the latch is configured to be inserted into the slot of the window frame.

The utility model also provides a side-hung inner-hung window, which comprises:

A window frame;

the window sash is movably fixed on the window frame;

the transmission assembly is arranged on the window sash; and

The limiting structure is characterized in that the lock seat is arranged on the window frame, the adjusting component is arranged on the window sash and connected with the transmission component, and the locking piece is arranged on the window sash, connected with the adjusting component and corresponding to the lock seat.

The window has the beneficial effects that the locking piece is arranged on the window sash, the lock seat is arranged on the window frame, the first limiting part which can be matched with the locking piece is arranged on the lock seat, when the first limiting part is matched with the locking piece, the flat-open of the window sash can be limited, the adjusting component connected with the locking piece is arranged on the window sash on the basis, the adjusting component is connected with the transmission component, the adjusting component and the locking piece can be driven to move to the preset position, the transmission component on the existing door and window structure can be effectively utilized to drive the locking piece, so that the structure is simplified and the production cost is saved, and the position of the locking piece is adjusted through the adjusting component, so that when the locking piece is positioned at the initial position, the locking piece is separated from the first limiting part, the flat-open of the window sash can be prevented, when the locking piece is positioned at the second position, the locking piece is matched with the first limiting part when the transmission component drives the adjusting component and the locking piece to move to the preset position, and the flat-open of the window sash can not be limited, and the flat-open window sash can not be locked or unlocked.

Drawings

FIG. 1 is a schematic view of a casement window according to the present utility model;

FIG. 2 is a block diagram of a first embodiment of a spacing structure provided by the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is an enlarged view at B in fig. 2;

Fig. 5 is a schematic view of a state that the limiting structure does not limit the casement in the casement state;

Fig. 6 is a schematic view of a limiting structure for limiting the casement in a casement state;

FIG. 7 is a schematic view of a limiting structure in a suspended state;

FIG. 8 is a schematic view of a second embodiment of a limiting structure according to the present utility model;

FIG. 9 is a partial cross-sectional view of the first and second embodiments of a spacing structure according to the present utility model, wherein the panel is engaged with the base plate;

Fig. 10 is a schematic structural view of a panel in the first and second embodiments of a limiting structure provided by the present utility model;

FIG. 11 is a schematic view of a third embodiment of a limiting structure according to the present utility model;

Fig. 12 is a schematic structural view of a fourth embodiment of a limiting structure and a schematic view of a side-hung window in a side-hung state;

Fig. 13 is a schematic view illustrating a fourth embodiment of a limiting structure according to the present utility model for limiting a window sash in a side-hung state;

fig. 14 is a schematic structural view of a locking member in a third embodiment of a limiting structure according to the present utility model.

Reference numerals illustrate:

1. A lock base; 11. a first limit part; 2. an adjustment assembly; 21. a bottom plate; 211. a first hole site; 212. a second hole site; 213. a third post; 22. a panel; 22a, a body part; 22a1, a first post; 22b, an extension rod; 22b1, first connection holes; 221. a through groove; 2211. a first step; 2212. a second step; 23. a connecting column; 231. an annular flange; 24. an angle driver; 25. an elastic member; 26. a cover plate; 27. a slide block; 271. a first tooth; 272. a second connection hole; 28. a moving member; 2a, a chute; 2a1, a second tooth; 2a2, a strip-shaped through groove; 2b, a connecting piece; 3. a locking member; 31. a locking part; 32. a second post; 10. a limit structure; 20. a window frame; 201. a slot; 30. window sashes; 40. and a transmission assembly.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model provides a spacing structure 10 for a casement window, the casement window including a window sash 30, a window frame 20, and a transmission assembly 40, the transmission assembly 40 including a casement position, a locked position, and a suspended position, the transmission assembly 40 being configured to switch the window sash 30 into a casement state, a locked state, or a suspended state. The limit structure 10 comprises a lock seat 1, an adjusting assembly 2 and a locking piece 3. The lock seat 1 is arranged on the window frame 20, a first limiting part 11 is arranged on the lock seat 1, the adjusting component 2 is movably arranged on the side edge of the window sash 30 and is connected with the transmission component, the locking component 3 is movably arranged on the window sash 30 and is connected with the adjusting component 2, the locking component 3 has an initial position and a second position in the moving direction of the adjusting component 2, the adjusting component 2 is used for adjusting the position conversion of the locking component 3 between the initial position and the second position, the transmission component 40 is in a flat-open position, the transmission component 40 drives the adjusting component 2 and the locking component 3 to a preset position, when the locking component 3 is in the initial position, the locking component 3 is separated from the first limiting part 11 (see fig. 5), and the window sash 30 can be flat-opened; when the locking member 3 is in the second position, the locking member 3 cooperates with the first limiting portion 11 to limit the window sash 30 from being able to be opened flat (see fig. 6).

The window sash 30 is provided with the locking piece 3, the window frame 20 is provided with the lock seat 1, the lock seat 1 is provided with the first limiting part 11 which can be matched with the locking piece 3, when the first limiting part 11 is matched with the locking piece 3, the window sash 30 can be limited to be opened horizontally, the window sash 30 is provided with the adjusting component 2 connected with the locking piece 3, the adjusting component 2 is connected with the transmission component 40, the adjusting component 2 and the locking piece 3 can be driven to move to a preset position, the transmission component on the existing door and window structure can be effectively utilized to drive the locking piece 3, so that the structure is simplified and the production cost is saved, the position of the locking piece 3 is regulated by the adjusting component 2, so that when the locking piece 3 is positioned at an initial position, the transmission component 40 drives the adjusting component 2 and the locking piece 3 to move to the preset position, the locking piece 3 is separated from the first limiting part 11, the window sash 30 can be opened horizontally, when the transmission component 40 drives the adjusting component 2 and the locking piece 3 to move to the preset position, and the window sash 30 can be opened horizontally, the window sash can be driven to move to the preset position, the window sash 3 can be locked to the window sash 30, and the window sash can be opened horizontally, the window sash can be locked to be opened horizontally, or the window sash can be opened horizontally, the window sash can be opened and the window can be opened and 30 by 30, the window can be opened and the window can be opened or opened by 30.

Working principle: when the window sash 30 is not required to be locked in a flat-open mode, the adjusting component 2 is operated under the condition that the window sash 30 is in a suspended state to enable the locking piece 3 to be kept at an initial position, the window sash 30 in the suspended state is closed, the transmission component 40 is in the flat-open position to drive the window sash 30 to be converted into a flat-open state, meanwhile, the transmission component 40 drives the adjusting component 2 and the locking piece 3 to be at a preset position, at the moment, the locking piece 3 in the initial position is still in a separated state from the first limiting part 11, the first limiting part 11 cannot limit the window sash 30, and the window sash 30 can be normally flat-opened;

When the window sash 30 needs to be locked in a flat-open mode, the adjusting component 2 is operated under the condition that the window sash 30 is in a suspended state to enable the locking piece 3 to be switched from an initial position to a second position, the window sash 30 in the suspended state is closed, the transmission component 40 is in the flat-open position to drive the window sash 30 to be converted into a flat-open state, meanwhile, the transmission component 40 drives the adjusting component 2 and the locking piece 3 to be in a preset position, at the moment, the locking piece 3 in the second position is matched with the first limiting part 11, and when the window sash 30 is flat-open, the first limiting part 11 blocks the locking piece 3 (namely a locking part 31 described below) so that the window sash 30 cannot be flat-opened;

When the lock of the casement 30 needs to be released, the locking operation is repeated, and when the casement 30 is in a suspended state, the adjusting component 2 is operated to enable the locking piece 3 to be in an initial position, the casement 30 in the suspended state is closed, the transmission component 40 is enabled to be in a casement position, the casement 30 can be opened horizontally, and the unlocking operation of the casement 30 is completed.

According to the limiting structure 10 provided by the embodiment of the utility model, the window sash 30 can be limited when the window sash 30 is in the flat-open state, so that the window sash 30 cannot be flat-opened, and the potential safety hazard that the window sash 30 is flat-opened by misoperation of children so as to drop from the window is avoided; the transmission structure on the existing door and window structure is effectively utilized to transmit the adjusting component 2, so that the structure can be simplified, and the production cost can be saved.

Specifically, the transmission assembly 40 includes a transmission portion and a control portion, the transmission portion is disposed around the window sash 30, including a side edge, a bottom edge and a top edge of one side of the window sash 30, the transmission portion includes a transmission member (not shown in the drawing), the adjustment assembly 2 is disposed on the side edge of the window sash 30 and is connected with the transmission member, the control portion can control movement of the transmission member, in this embodiment, the control portion may be a handle, and the handle controls the transmission portion to drive the transmission member to move, and when the transmission assembly 40 is respectively located in the flat-open position, the locking position and the hanging position, the window sash 30 can be correspondingly controlled to be in the flat-open state, the locking state and the hanging state.

It should be noted that, the transmission assembly 40 is an existing structure of an existing door and window structure, and will not be described herein in detail.

Referring to fig. 7, further, the locking member 3 is disposed at the bottom of the window sash 30, the lock base 1 is disposed at the bottom of the window frame 20, when the transmission assembly 40 is switched from the flat-open position to the hanging position, the transmission assembly 40 drives the adjusting assembly 2 and the locking member 3 to leave the preset position or the second position, and the locking member 3 is engaged with the first limiting portion 11 to lock the bottom edges of the window sash 30 and the window frame 20. In this way, in the process of switching the transmission assembly 40 from the flat-open position to the down-hung position, that is, in the process of switching the window sash 30 from the flat-open state to the down-hung state, no matter when the locking piece 3 is in the initial position or in the second position, the transmission assembly 40 drives the adjusting assembly 2 and the locking piece 3 to leave the preset position, and meanwhile, the locking piece 3 can be matched with the first limiting part 11, and the matching of the first limiting part 11 and the locking piece 3 can lock the bottom edge of the window sash 30 and the bottom edge of the window frame 20, so that the design scheme can limit the flat-open of the window sash 30 and also does not influence the opening of the down-hung window, thereby not only being applied to the scene of manually opening the down-hung window, but also being applied to the scene of electrically opening the down-hung window, and avoiding the window sash 30 from being flat-opened when being applied to electrically opening the down-hung window, thereby being capable of ensuring the electrically smooth opening of the down-hung window.

Referring to fig. 5 to 8, specifically, the locking member 3 includes a locking portion 31, and in the flat-open position, when the locking member 3 is in the initial position, the locking portion 31 is located outside the first limiting portion 11; when the locking piece 3 is at the second position, the locking part 31 is positioned at one side of the first limiting part 11 facing away from the flat-open direction of the window sash 30 so that the first limiting part 11 blocks the window sash 30 from flat-open; when the transmission assembly 40 is switched from the flat-open position to the hanging position, the transmission assembly 40 drives the adjusting assembly 2 to move the locking part 31 to one side of the first limiting part 11 away from the flat-open direction of the window sash 30 and move along the side. Thus, by changing the position of the locking member 3 relative to the first limiting portion 11, even if the locking member 3 is located outside the first limiting portion 11, on a side of the first limiting portion 11 away from the sliding direction of the window sash 30, on a side of the first limiting portion 11 in the sliding direction of the window sash 30, and along the side of the first limiting portion, locking and unlocking of the sliding of the window sash 30 can be achieved, or when the window sash 30 is opened in a suspended state, the sliding of the window sash 30 is prevented from being removed, so that the opening of the suspended window is affected.

In this embodiment, the lock base 1 may be disposed at the bottom of the side of the window frame 20 or the bottom of the window frame 20, and correspondingly, the locking element is disposed at the bottom of the side of the window sash 30 or the bottom of the window sash 30, the first limiting portion 11 is in a strip structure, the first limiting portion 11 extends along the moving direction of the adjusting component 2, the driving component 40 is in a flat-open position, the driving component 40 drives the adjusting component 2 and the locking element 3 to a preset position when the locking element 3 is in the initial position, at this time, the locking element 31 is located outside the first limiting portion 11, the driving component 40 drives the adjusting component 2 and the locking element 3 to a preset position when the locking element 3 is in the second position, at this time, the locking element 31 is located at a side of the first limiting portion 11 facing away from the flat-open direction of the window sash 30, the first limiting portion 11 blocks the flat-open of the window sash 30, and when the driving component 40 is switched from the flat-open position to the underslung position, the driving component 40 drives the adjusting component 2 to move the locking element 31 to a side facing away from the flat-open direction of the first limiting portion 11 and move along the side to lock the bottom of the window sash 30 and the window frame 20.

Example 1

Referring to fig. 2 to 4, specifically, the locking member 3 is movably disposed at the bottom of the outer side of the side edge of the window sash 30, that is, the locking member 3 may be slidably disposed in a groove of the outer side of the side edge of the window sash 30, and the lock base 1 is fixedly disposed at the bottom of the inner side of the side edge of the window frame 20, so that when the locking member 3 (that is, the above-mentioned locking portion 31) is engaged with the first limiting portion 11 of the lock base 1, not only the function of limiting the sliding of the window sash 30 can be achieved, but also the bottom edges of the window sash 30 and the window frame 20 can be locked to prevent the sliding of the window sash 30 during the suspending process of the window sash 30, thereby ensuring the smooth opening of the suspending of the window sash 30. The adjusting assembly 2 further comprises a bottom plate 21 and a panel 22, the bottom plate 21 is movably arranged outside the side edge of the window sash 30 and is located above the locking piece 3 so as to adjust the position of the panel 22 on the bottom plate 21, specifically, the bottom plate 21 is slidably arranged in a side edge groove of the window sash 30, the bottom plate 21 is connected with the transmission assembly 40 so that the transmission assembly 40 can drive the bottom plate 21 to move, a first hole site 211 and a second hole site 212 are arranged at intervals along the moving direction of the adjusting assembly 2, the panel 22 is movably arranged outside the side edge of the window sash 30 and is located above the locking piece 3, namely, the panel 22 is also slidably arranged in a groove outside the side edge of the window sash 30, the panel 22 is connected with the locking piece 3, a connecting column 23 which can be matched with the first hole site 211 or matched with the second hole site 212 is telescopically arranged on the panel 22, when the connecting column 23 is matched with the first hole site 211, the locking piece 3 is located at the initial position, and when the connecting column 23 is matched with the second hole site 212, the locking piece 3 is located at the second position. In this way, the connection post 23 is matched with the first hole site 211 or the second hole site 212, not only can the installation of the panel 22 on the bottom plate 21 be realized, but also the switching of the locking piece 3 between the initial position or the second position can be realized by switching the matching of the connection post 23 between the first hole site 211 and the second hole site 212, and the connection post 23 which is arranged in a telescopic way can enable the connection post 23 to move away from the bottom plate 21 so as to separate from the first hole site 211 or the second hole site 212, so that the movement of the panel 22 on the bottom plate 21 can be realized.

Example two

Referring to fig. 8, specifically, the locking member 3 is movably disposed at a bottom edge of the window sash 30, that is, the locking member 3 may be slidably disposed in a groove formed at the bottom edge of the window sash 30, and the lock base 1 is fixedly disposed at the bottom edge of the window frame 20, so that when the locking member 3 is engaged with the first limiting portion 11 of the lock base 1, not only a function of limiting the flat-open of the window sash 30 can be achieved, but also the bottom edges of the window sash 30 and the window frame 20 can be locked to achieve the underslung opening of the window sash 30. Referring to fig. 2, 3 and 8, the adjusting assembly 2 further includes a bottom plate 21, a panel 22 and an angle driver 24, the bottom plate 21 is movably disposed at the outer side of the window sash 30 and located at a position of the locking piece 3, which is convenient for the adjusting panel 22 to be located on the bottom plate 21, the bottom plate 21 is connected with the driving assembly 40 so that the driving assembly 40 can drive the bottom plate 21 to move, the bottom plate 21 is provided with a first hole position 211 and a second hole position 212 at intervals along the moving direction of the adjusting assembly 2, the panel 22 is movably disposed at the outer side of the window sash 30, that is, the panel 22 can be slidably disposed in a groove at the bottom of the side of the window sash 30, a connecting post 23 which can be matched with the first hole position 211 or matched with the second hole position 212 is telescopically disposed on the panel 22, the angle driver 24 is disposed at a corner of the window sash 30 and is respectively connected with the panel 22 and the locking piece 3, the locking piece 3 is located at an initial position when the connecting post 23 is matched with the first hole position 211, and the locking piece 3 is located at a second position when the connecting post 23 is matched with the second hole position. By arranging the locking element 3 at the bottom edge of the sash 30 and connecting the locking element 3 to the panel 22 via the angle actuator 24, the switching of the locking element 3 between the initial position or the second position is likewise achieved when adjusting the mating position between the panel 22 and the bottom plate 21.

Referring to fig. 2 to 4, in the first and second embodiments, the panel 22 may be of a unitary structure or a split structure, and in this embodiment, the panel 22 is of a split structure, so as to avoid the inconvenience of mounting the panel 22 due to excessive length. Specifically, the panel 22 includes a body 22a and an extension rod 22b connected to the body 22a, the extension rod being provided in the body 22a, and the other end of the extension rod 22b being connected to the locking member 3. Further, the two ends of the extension rod 22b may be respectively provided with a first connection hole 22b1, the body portion 22a is provided with a first protruding column 22a1 capable of being matched with the first connection hole 22b1, the locking piece 3 is provided with a second protruding column 32 capable of being matched with the first connection hole 22b1, and the first protruding column 22a1 and the second protruding column 32 are respectively matched with the first connection holes 22b1 at the two ends of the extension rod 22b to achieve connection.

Referring to fig. 3 and 9, according to the first embodiment or the second embodiment, further, the connecting post 23 may extend and retract along the axial direction of the first hole site 211 or the second hole site 212, and the adjusting assembly 2 further includes an elastic member 25, where the elastic member 25 is disposed in the panel 22 and provides a pre-tightening force for the connecting post 23 extending out of the panel 22. The elastic member 25 can ensure that the connecting post 23 always keeps matching with the first hole site 211 or the second hole site 212 when extending out of the panel 22 in a normal state, and when the panel 22 needs to be moved to drive the locking member 3 to change positions, the locking member 3 is moved to retract into the panel 22 by overcoming the pretightening force of the elastic member 25 in a direction away from the bottom plate 21, so that the connecting post 23 is separated from the first hole site 211 or the second hole site 212, and the panel 22 can be moved.

Referring to fig. 9-10, further, the outer portion of the connecting post 23 is provided with an annular flange 231, the panel 22 is provided with a through groove 221, the connecting post 23 is penetrated through the through groove 221, a first step 2211 is arranged on the side wall of the through groove 221, the elastic member 25 is arranged in the through groove 221 and sleeved outside the connecting post 23, one end of the elastic member 25 is abutted against the annular flange 231, and the other end is abutted against the first step 2211 to realize the installation of the connecting post 23 on the panel 22.

Referring to fig. 9-10, further, the side wall of the through groove 221 is further provided with a second step 2212, the second step 2212 is located at one side of the first step 2211 facing the bottom plate 21, and when the connection post 23 moves away from the bottom plate 21, the annular flange 231 can abut against the first step 2211 to limit the movement of the connection post 23.

Referring to fig. 3, 9 and 10, further, the adjusting assembly 2 further includes a cover plate 26, and the cover plate 26 is fixedly arranged at one end of the connecting post 23 away from the bottom plate 21 and abuts against the surface of the panel 22 so as to pull the connecting post 23 to move. Further, a third protruding column 213 may be formed on the surface of the bottom plate 21 by extending outward around the through slot 221, and the cover plate 26 may abut against the third protruding column 213, so that there is a space between the cover plate 26 and the bottom plate 21, so that the cover plate 26 is more convenient to be pulled to move the connecting column 23.

Example III

Referring to fig. 11, specifically, the locking member 3 is movably disposed at the bottom of the outer side of the window sash 30, and the lock base 1 is fixedly disposed at the bottom of the inner side of the window frame 20, so that when the locking member 3 (i.e., the locking portion 31 described above) is engaged with the first limiting portion 11 of the lock base 1, not only a function of limiting the sliding of the window sash 30 can be achieved, but also the bottom edges of the window sash 30 and the window frame 20 can be locked to achieve the underhung opening of the window sash 30. The adjusting assembly 2 further comprises a sliding block 27, the sliding block 27 is movably arranged on the outer side of the side edge of the window sash 30 and is connected with the transmission assembly 40, specifically, the sliding block 27 can be slidably arranged in a groove formed in the side edge of the window sash 30 and is connected with the transmission assembly 40, a sliding groove 2a is formed in one side, facing the window sash 30, of the locking piece 3, the sliding groove 2a extends along the moving direction of the adjusting assembly 2, the sliding block 27 is arranged in the sliding groove 2a and can move in the sliding groove 2a, when the sliding block 27 is arranged at one end, close to the bottom of the window frame 20, of the sliding groove 2a, at the moment, the locking piece 3 moves upwards relative to the bottom edge of the window frame 20, when the sliding block 27 is arranged at one end, far away from the bottom of the window frame 20, of the locking piece 3 moves downwards relative to the bottom edge of the window frame 20, and the locking piece 3 is arranged at the second position. In this way, by moving the locking member 3 to adjust the position of the slider 27 within the chute 2a, the locking member 3 can be adjusted between the initial position and the second position.

Example IV

Referring to fig. 12 to 13, specifically, the locking member 3 is movably disposed at the bottom edge of the window sash 30, and the lock base 1 is disposed at the bottom edge of the window frame 20, so that when the locking member 3 (i.e., the above-mentioned locking portion 31) is engaged with the first limiting portion 11 of the lock base 1, not only a function of limiting the sliding of the window sash 30 can be achieved, but also the bottom edges of the window sash 30 and the window frame 20 can be locked to achieve the underslung opening of the window sash 30. Referring to the drawings, the adjusting assembly 2 further includes a slider 27, a moving member 28, and an angle actuator 24, wherein the slider 27 is movably disposed outside the side of the window sash 30 and is connected to the actuator 40, specifically, the slider 27 is slidably disposed in a groove formed in the side of the window sash 30 and is further connected to the actuator 40, the moving member 28 is movably disposed outside the side of the window sash 30, the moving member 28 is also slidably disposed in a groove formed in the side of the window sash 30, a sliding slot 2a is disposed on a side of the moving member 28 facing the window sash 30, the sliding slot 2a extends in the moving direction of the adjusting assembly 2, the slider 27 is disposed in the sliding slot 2a and is movable in the sliding slot 2a, the angle actuator 24 is disposed at a corner of the window sash 30 and is respectively connected to the moving member 28 and the locking member 3, when the slider 27 is disposed at an end of the sliding slot 2a near the bottom of the window frame 20, the moving member 28 is moved upward relative to the bottom of the window frame 20, the locking member 3 is disposed at an initial position, and when the slider 27 is disposed at an end of the sliding slot 2a far from the bottom of the window frame 20, the moving member 28 is moved downward relative to the bottom 20. In this way, by moving the moving member 28 to adjust the position of the sliding block 27 in the sliding slot 2a, the moving member 28 drives the locking member 3 to move through the angle driver 24, so that the locking member 3 can be adjusted between the initial position and the second position.

Referring to fig. 11, 12 and 14, further, on the basis of implementing the third or fourth embodiment, a plurality of first teeth 271 are laid on one side of the slider 27 facing away from the window sash 30, a plurality of second teeth 2a1 are laid on the bottom of the sliding chute 2a, the first teeth 271 are engaged with the second teeth 2a1, the adjusting assembly 2 further includes a connecting piece 2b, a strip-shaped through slot 2a2 is provided on the bottom of the sliding chute 2a, and the connecting piece 2b sequentially penetrates the strip-shaped through slot 2a2, the slider 27 and is detachably connected with the slider 27 to lock the movement of the slider 27 in the sliding chute 2 a. The first teeth 271 and the second teeth 2a1 are arranged, when the connecting piece 2b is penetrated through the sliding block 27, the sliding groove 2a is fixedly connected with the sliding block 27, the first teeth 271 and the second teeth 2a1 can be meshed, so that the limit of the sliding block 27 in the sliding groove 2a is realized, and the strip-shaped through grooves 2a2 are arranged in the sliding groove 2a, so that the connecting piece 2b and the sliding block 27 can be conveniently connected and fixed when the sliding block 27 is arranged at different positions in the sliding groove 2 a.

Referring to fig. 11 and 12, specifically, the slider 27 is provided with a second connection hole 272, the connection piece 2b may be, but not limited to, a screw, and the screw is screwed with the second connection hole 272, when the position of the locking piece 3 needs to be adjusted, the screw is unscrewed, so that the first tooth 271 and the second tooth 2a1 are separated, that is, the movable piece 28 or the movable locking piece 3 is moved, thereby driving the locking piece 3 to move, after the position is adjusted, the screw is screwed, that is, the first tooth 271 and the second tooth 2a1 can be meshed, and the slider 27 can be fixed in the chute 2 a.

Referring to fig. 7, when the locking piece 3 is provided at the bottom of the outside of the side edge of the window sash 30 on the basis of the above embodiment, the locking piece 3 is a latch, and the locking portion 31 is provided at the side of the latch facing the window frame 20, and the latch is for being inserted into the slot 201 of the window frame 20 when the transmission assembly 40 is switched from the flat-open position to the hanging-down position. So that the locking strength of the window sash 30 and the bottom edge of the window frame 20 can be increased, and deformation or damage caused by excessive stress between the locking part 31 and the first limiting part 11 arranged at the side edge can be avoided.

It should be noted that, in the above embodiment, the adjusting component 2 is disposed outside the side edge of the window sash 30 or at the bottom edge of the window sash 30, and the lock base 1 is disposed inside the side edge of the window frame 20 or at the bottom edge of the window frame 20, so that the limit structure 10 can be hidden inside the window structure, and the structural integrity and the aesthetic property of the exterior of the window structure are ensured.

Referring to fig. 1, the embodiment of the present utility model further provides a casement window, which includes a window frame 20, a window sash 30, a transmission assembly, and the aforementioned limiting structure 10. The window sash 30 is movably fixed on the window frame 20, the transmission assembly is arranged on the window sash 30, the lock seat 1 of the limiting structure 10 is arranged on the window frame 20, the adjusting assembly 2 is arranged on the window sash 30 and connected with the transmission assembly 40, and the locking piece 3 is arranged on the window sash 30, connected with the adjusting assembly 2 and corresponding to the lock seat 1.

According to the casement lower-hung window provided by the embodiment of the utility model, the window sash 30 can be limited when the window sash 30 is in the casement state, so that the window sash 30 cannot be casement, and the potential safety hazard that the window sash 30 is casement by misoperation of children and falls from the window is avoided; the transmission structure on the existing door and window structure is effectively utilized to transmit the adjusting component 2, so that the structure can be simplified, and the production cost can be saved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (13)

1. A limit structure for flat-open down-hung window, flat-open down-hung window includes casement, window frame and drive assembly, drive assembly includes flat-open position, locking position and down-hung position, its characterized in that, limit structure includes:

The lock seat is arranged on the window frame and is provided with a first limiting part;

the adjusting component is movably arranged on the side edge of the window sash and is connected with the transmission component;

The locking piece is movably arranged on the window sash and is connected with the adjusting component, the locking piece is provided with an initial position and a second position in the moving direction of the adjusting component, and the adjusting component is used for adjusting the position conversion of the locking piece between the initial position and the second position;

When the transmission assembly is in a flat-open position, the transmission assembly drives the adjusting assembly and the locking piece to a preset position, and when the locking piece is in an initial position, the locking piece is separated from the first limiting part, and the window sash can be flat-opened; when the locking piece is in the second position, the locking piece is matched with the first limiting part to limit the casement to be opened horizontally.

2. The spacing structure of claim 1, wherein the locking member is disposed at a bottom of the window sash, the lock seat is disposed at a bottom of the window frame, and when the transmission assembly is switched from the flat-open position to the hanging position, the locking member is in an initial position or in a second position, and the transmission assembly drives the adjustment assembly and the locking member to leave the preset position and enables the locking member to cooperate with the first spacing portion to lock the window sash and a bottom edge of the window frame.

3. The spacing structure of claim 2, wherein the locking member is movably disposed at a bottom portion outside the window sash side, the lock base is fixedly disposed at a bottom portion inside the window frame side, and the adjusting assembly further includes:

The bottom plate is movably arranged on the outer side of the window sash side edge and above the locking piece, the bottom plate is connected with the transmission assembly, and a first hole site and a second hole site are arranged on the bottom plate at intervals along the moving direction of the adjusting assembly;

The panel is movably arranged on the outer side of the side edge of the window sash and is positioned above the locking piece, the panel is connected with the locking piece, and a connecting column which can be matched with the first hole site or the second hole site is telescopically arranged on the panel;

The locking member is in an initial position when the connecting post is mated with the first aperture and in a second position when the connecting post is mated with the second aperture.

4. The spacing structure of claim 2, wherein the locking member is movably disposed at a bottom edge of the window sash, the lock base is fixedly disposed at a bottom edge of the window frame, and the adjusting assembly further comprises:

The bottom plate is movably arranged on the outer side of the window sash side edge and above the locking piece, the bottom plate is connected with the transmission assembly, and a first hole site and a second hole site are arranged on the bottom plate at intervals along the moving direction of the adjusting assembly;

The panel is movably arranged outside the side edge of the window sash, and a connecting column which can be matched with the first hole site or the second hole site is telescopically arranged on the panel;

The angle driver is arranged at the corner of the window sash and is respectively connected with the panel and the locking piece;

The locking member is in an initial position when the connecting post is mated with the first aperture and in a second position when the connecting post is mated with the second aperture.

5. The spacing structure of claim 3 or 4, wherein the connecting post is retractable along the axial direction of the first hole site or the second hole site, and the adjusting assembly further comprises an elastic member disposed in the panel and providing a pre-tightening force for the connecting post extending out of the panel.

6. The spacing structure of claim 5, wherein an annular flange is disposed outside the connecting post, the panel is provided with a through groove, the connecting post is penetrated through the through groove, a first step is disposed on a side wall of the through groove, the elastic member is disposed in the through groove and sleeved outside the connecting post, one end of the elastic member is abutted against the annular flange, and the other end of the elastic member is abutted against the first step.

7. The spacing structure of claim 6, wherein the adjusting assembly further comprises a cover plate fixedly arranged at one end of the connecting post away from the bottom plate and abutting against the surface of the panel.

8. The spacing structure of claim 2, wherein the locking member is movably disposed at a bottom of a side outer side of the window sash, the lock base is fixedly disposed at a bottom of a side inner side of the window frame, the adjusting assembly further comprises a slider movably disposed at a side outer side of the window sash and connected with the transmission assembly, a sliding groove is disposed at a side of the locking member facing the window sash, the sliding groove extends along a moving direction of the adjusting assembly, the slider is disposed in the sliding groove and is movable in the sliding groove, the locking member is disposed at an initial position when the slider is disposed at an end of the sliding groove near the bottom of the window frame, and the locking member is disposed at a second position when the slider is disposed at an end of the sliding groove far from the bottom of the window frame.

9. The spacing structure of claim 2, wherein the locking member is movably disposed at a bottom edge of the window sash, the lock seat is disposed at a bottom edge of the window frame, and the adjusting assembly further comprises:

the sliding block is movably arranged outside the side edge of the window sash and is connected with the transmission assembly;

The moving piece is movably arranged on the outer side of the side edge of the window sash, one side, facing the window sash, of the moving piece is provided with a sliding groove, the sliding groove extends along the moving direction of the adjusting component, and the sliding block is arranged in the sliding groove and can move in the sliding groove;

the angle driver is arranged at the corner of the window sash and is respectively connected with the moving piece and the locking piece, when the sliding block is positioned at one end of the sliding groove close to the bottom of the window frame, the locking piece is positioned at the initial position, and when the sliding block is positioned at one end of the sliding groove far away from the bottom of the window frame, the locking piece is positioned at the second position.

10. The spacing structure of claim 8 or 9, wherein a plurality of first teeth are laid on a side of the sliding block facing away from the window sash, a plurality of second teeth are laid on the bottom of the sliding groove, the first teeth are meshed with the second teeth, the adjusting assembly further comprises a connecting piece, a strip-shaped through groove is formed in the bottom of the sliding groove, and the connecting piece sequentially penetrates through the strip-shaped through groove, the sliding block and the sliding block to be detachably connected with the sliding block so as to lock movement of the sliding block in the sliding groove.

11. The spacing structure of any one of claims 2-4, 8-9, wherein the locking member includes a locking portion that is located outside the first spacing portion when the locking member is in an initial position in the flat-open position; when the locking piece is in the second position, the locking part is positioned at one side of the first limiting part, which is away from the casement direction, so that the first limiting part can block the casement; when the transmission assembly is switched from the flat-open position to the underslung position, the transmission assembly transmits the adjusting assembly to enable the locking part to move to one side of the first limiting part, which is away from the flat-open direction of the window sash, and move along the side.

12. The spacing structure of claim 11, wherein the locking member is a latch when the locking member is disposed at a bottom portion outside the window sash side, the locking portion is disposed at a side of the latch facing the window frame, and the latch is configured to be inserted into a slot of the window frame when the transmission assembly is switched from the flat-open position to the down-hung position.

13. A side-hung casement, comprising:

A window frame;

the window sash is movably fixed on the window frame;

the transmission assembly is arranged on the window sash; and

The spacing structure of any one of claims 1-12, said lock seat being provided on said window frame, said adjustment assembly being provided on said window sash and being connected to said transmission assembly, said locking member being provided on said window sash and being connected to said adjustment assembly and corresponding to said lock seat.