CN111719998A

CN111719998A - Child-resistant casement window

Info

Publication number: CN111719998A
Application number: CN202010639580.4A
Authority: CN
Inventors: 黄烨昆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2020-09-29

Abstract

The invention discloses a child-resistant casement window which comprises a window frame and a window sash, wherein one side of the window sash is rotationally connected with the window frame through a hinge, the other side of the window sash is provided with a fastening mechanism, a vertical sliding rail is arranged on the window sash, the fastening mechanism is arranged on the sliding rail in a sliding manner, and the fastening mechanism is fastened with the window frame so that the fastening mechanism can be positioned at any position on the sliding rail. The fastening mechanism can be positioned at any height of the sliding rail, and the fastening mechanism is moved to a high position to effectively prevent the child from unlocking the fastening mechanism and effectively prevent the child from opening the window sash, so that the technical effect of preventing the child from opening the window sash and falling from the building accidentally is achieved.

Description

Child-resistant casement window

Technical Field

The invention belongs to the technical field of casement windows, and particularly relates to a child-resistant casement window.

Background

The casement window is a window commonly used in buildings and has the advantages of large opening area and good ventilation effect. The casement window comprises a window frame and a window sash, wherein one side of the window sash is rotatably connected with the window frame through a hinge, the other side of the window sash is provided with a fastening arm, a handheld arm is arranged on the fastening arm, and the fastening arm is attached to the window frame through rotation of the handheld arm, so that the positioning of the window sash can be realized. Along with the building is built higher and higher, unexpected falling events of children also happen occasionally, especially flat-open window, children climb up the windowsill and lean on the casement after the handheld arm of intentional or unintentional rotation will buckle the arm and rotate, can make the casement open promptly to lead to unexpected falling of children.

In the prior art, generally, an anti-theft net or a semi-open type limiter is installed for blocking or limiting, but after the anti-theft net is installed, illumination and a visual field are poor, the installation cost is high, and the installation is dangerous; the semi-open stopper can lead to the window aperture less when normal use, influences indoor ventilation.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the casement window capable of preventing the window sash from being opened by children, the fastening mechanism can be moved to a high position for positioning, the children cannot touch the fastening mechanism due to the limitation of the height, the fastening mechanism is prevented from being unlocked by the children, and the technical effect of preventing the children from opening the window sash and accidentally falling from the building is achieved.

In order to solve the technical problem, the invention is solved by the following technical scheme: the casement window capable of preventing children from opening comprises a window frame and a window sash, wherein one side of the window sash is rotatably connected with the window frame through a hinge, the other side of the window sash is provided with a fastening mechanism, a vertical sliding rail is arranged on the window sash, the fastening mechanism is arranged on the sliding rail in a sliding mode, and the fastening mechanism is fastened with the window frame so that the fastening mechanism can be positioned at any position on the sliding rail. The fastening mechanism can be positioned at any height of the sliding rail, and the fastening mechanism is moved to a high position to effectively prevent the child from unlocking the fastening mechanism and effectively prevent the child from opening the window sash, so that the technical effect of preventing the child from opening the window sash and falling from the building accidentally is achieved.

In the above technical solution, preferably, the fastening mechanism includes a housing, a pin shaft, an elastic member, a movable limiting member, a fastening arm, and an unlocking arm, the pin shaft is fixedly inserted into the housing, the pin shaft includes a polygonal guiding portion and a circular rotating portion, the polygonal guiding portion is slidably sleeved with the movable limiting member, the circular rotating portion is rotatably sleeved with the fastening arm, the fastening arm is provided with a non-circular limiting hole, the periphery of the movable limiting member is a non-circular outer contour, the movable limiting member is provided with a circular truncated cone-shaped protrusion toward the non-circular limiting hole, the elastic member is provided between the movable limiting member and the housing to push the movable limiting member to the non-circular limiting hole, the non-circular outer contour of the fastening arm aligns with and inserts into the non-circular limiting hole when in the fastening position, the side wall of the non-circular limiting hole is provided with an unlocking channel, the unlocking arm is provided with an inserting rod which is used for being inserted into the unlocking channel to push the movable limiting part. The fastening mechanism can further prevent a child from opening the window sash, under the condition that the window sash is closed and locked, the movable limiting piece is inserted into the noncircular limiting hole, the fastening arm cannot directly rotate, the child is effectively prevented from opening the window sash, when the window sash is opened, the unlocking arm is needed, the inserting rod on the unlocking arm is inserted into the unlocking channel to push the movable limiting piece out of the noncircular limiting hole, then the fastening arm can rotate to release the limiting with the window frame, and the window sash can rotate; when closing the casement, need not the unblock arm, the straining arm can directly rotate the straining window frame, and when the straining arm reachd the straining position, under the elastic action of elastic component, the spacing hole of activity locating part automatic insertion non-circle, parent when this kind of flat-open window uses can effectively prevent children from opening the casement with the reasonable storage of unblock arm.

In the above technical solution, optionally, the non-circular outer contour is a regular polygon contour, and the non-circular limiting hole is a regular polygon limiting hole. By adopting the structure, the fastening arm can be positioned at a plurality of angles through the movable limiting part, and the fastening arm can be positioned at the windowing position and also can be positioned at the fastening position.

In the above technical solution, preferably, the window frame is provided with a vertical protruding strip which is matched with the fastening arm. The structure is adopted to enhance the matching fastening force of the fastening arm and the window frame, so that the fastening mechanism is more firmly positioned at any position of the sliding rail.

In the above technical solution, preferably, the fastening arm is provided with a pulley protruding from an inner side surface of the fastening arm. By adopting the structure, under the condition that the fastening arm fastens the window frame, the whole fastening mechanism can be conveniently pushed to slide on the sliding rail without rotating the fastening arm, and the fastening arm is convenient to push the fastening mechanism to a high place under the fastening condition.

In the above technical scheme, preferably, the slide rail includes the shape slide, the casing is formed by first casing and second casing amalgamation, first casing with relative being provided with on the second casing with the spout that the shape slide matches.

Among the above-mentioned technical scheme, it is preferred, be provided with the uide bushing in the casing, the uide bushing is from interior and electromagnet, spring and iron stopper have set gradually outward, unblock passageway lateral wall is provided with two first touch multitouches, two first touch multitouch with the coil both ends of electromagnet are connected through first wire one by one, be provided with on the unblock arm with two the inserted bar of first touch multitouch alignment, the inserted bar is electrically conductive, be provided with first power on the unblock arm, two the inserted bar with the positive negative pole of first power passes through the second wire and connects, works as when the electro-magnet loses electricity, the iron stopper stretches out the uide bushing is right the inner spacing of activity locating part, works as when the electro-magnet is electrified, the iron stopper withdrawal the uide bushing is relieved right the spacing of activity locating part. Due to the fact that other rod-shaped objects can be inserted into the unlocking channel to push the movable limiting piece out of the non-circular limiting hole, the fastening arm can be rotated, the iron limiting piece can release the limiting of the movable limiting piece and the movable limiting piece can be pushed out of the non-circular limiting hole only under the condition that the electromagnet is electrified, namely the inserting rods are in one-to-one aligned contact with the first contact blocks, the possibility that the fastening arm is rotated under the condition that the unlocking arm is not used can be further reduced, and the window sash is further prevented from being opened by children.

In the above technical scheme, preferably, an extension rod is arranged on the unlocking arm, a switch is arranged on the extension rod, and the switch is connected in series between the insertion rod and the first power supply. By adopting the structure, the fastening arm at a higher position can be conveniently operated.

In the above technical scheme, preferably, the extension rod is an adjustable telescopic sleeve rod. Adopt this structure to make the extension rod scalable, make things convenient for accomodating of unlocking arm.

In the above technical scheme, preferably, two ends of a coil of the electromagnet are connected in series with the normally open thermal switch and the second power supply through a third wire, and the normally open thermal switch extends out of the shell. Because of must be under the circumstances of electro-magnet circular telegram, the spacing hole of non-circle just can be released to the activity locating part, when the conflagration takes place, if first power electric quantity is not enough, perhaps can't acquire the unlocking arm fast, can lead to the casement to be unable in time to open, indoor personnel can't flee from the window and lead to serious consequence, consequently when the conflagration takes place, normally open thermoswitch can be closed because of being heated, make the electro-magnet circular telegram, the iron locating part is relieved spacing to the activity locating part, insert shaft-like thing at will from the unblock passageway and can rotate the straining arm and.

Compared with the prior art, the invention has the following beneficial effects: the fastening mechanism can be positioned at any height of the sliding rail, and the fastening mechanism is moved to a high position to effectively prevent the child from unlocking the fastening mechanism and effectively prevent the child from opening the window sash, so that the technical effect of preventing the child from opening the window sash and falling from the building accidentally is achieved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of the fastening mechanism engaged with a slide rail according to an embodiment of the present invention.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

FIG. 4 is a schematic view of a fastening arm according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a movable limiting member in an embodiment of the invention.

Fig. 6 is a schematic structural view of a movable limiting member in another direction according to an embodiment of the present invention.

FIG. 7 is a schematic diagram of an exemplary unlocking arm.

FIG. 8 is a cross-sectional view of an embodiment of the present invention with the unlocking arm inserted into the unlocking channel.

Fig. 9 is a schematic structural diagram of the first housing in the embodiment of the present invention.

Fig. 10 is a schematic structural diagram of the second housing in the embodiment of the present invention.

Fig. 11 is a schematic circuit diagram of an electromagnet according to an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 11, a child-resistant casement window includes a window frame 1 and a window sash 2, one side of the window sash 2 is rotatably connected with the window frame 1 through a hinge, the other side of the window sash 2 is provided with a fastening mechanism 3, the window sash 2 is provided with a vertical slide rail 4, the fastening mechanism 3 is slidably arranged on the slide rail 4, and the fastening mechanism 3 is fastened with the window frame 1 so that the fastening mechanism 3 is positioned at any position on the slide rail 4. The fastening mechanism 3 can be positioned at any height of the sliding rail 4, the fastening mechanism 3 is moved to a high position for positioning, so that the fastening mechanism can be effectively prevented from being unlocked by children, the window sash can be effectively prevented from being opened by children, and the technical effect of preventing children from opening the window sash and falling from the building accidentally is achieved.

In this embodiment, the fastening mechanism 3 includes a housing 31, a pin 32, an elastic element 33, a movable limiting element 34, a fastening arm 35 and an unlocking arm 5, the housing 31 is formed by splicing a first housing 311 and a second housing 312, the first housing 311 and the second housing 312 are fixed by screws after being spliced, the first housing 311 is provided with a polygonal hole 3111, the second housing 312 is provided with a hole 3121 for the movable limiting element 34 to pass through, the pin 32 includes a polygonal guide portion 321 and a circular rotation portion 322, the movable limiting element 34 is slidably sleeved on the polygonal guide portion 321, the movable limiting element 34 can only slide on the polygonal guide portion 321 without rotating, the circular rotation portion 322 is rotatably sleeved with the fastening arm 35, the pin 32 penetrates through the polygonal hole 3111 of the first housing 31 and passes through the fastening arm 35 to be fixed by nuts, the fastening arm 35 is provided with a non-circular limiting hole 351, the outer periphery of the movable limiting element 34 is a non-circular outer contour 341, the end of the movable limiting member 34 facing the non-circular limiting hole 351 is provided with a circular truncated cone-shaped protrusion 342, an elastic member 33 for pushing the movable limiting member 34 to the non-circular limiting hole 351 is disposed between the movable limiting member 34 and the housing 31, in this embodiment, the elastic member 33 is a spring and is sleeved on the pin shaft 32, the non-circular outer profile 341 is aligned and inserted into the non-circular limiting hole 351 when the fastening arm 35 is in the fastening position, the side wall of the non-circular limiting hole 351 is provided with an unlocking channel 352, and the unlocking arm 5 is provided with an insertion rod 51 for inserting the unlocking channel 352 to push the movable limiting member 34. The fastening mechanism 3 can further prevent a child from opening the window sash 2, when the window sash 2 is closed and locked, the movable limiting piece 34 is inserted into the noncircular limiting hole 351, the fastening arm 35 cannot directly rotate, the child is effectively prevented from opening the window sash 2, when the window sash 2 is opened, the inserted link 51 on the unlocking arm 5 is inserted into the unlocking channel 352 by means of the unlocking arm 5, the inserted link 51 is matched with the inclined plane of the side wall of the truncated cone-shaped protrusion 342, the truncated cone-shaped protrusion 342 is inclined at each angle and can be matched with the inserted link 51, the movable limiting piece 34 can be pushed out of the noncircular limiting hole 351 in the inserting process of the inserted link 51, then the fastening arm 35 can rotate to release the limiting with the window frame 1, and the window sash 2 can rotate; when closing casement 2, need not unlocking arm 5, the straining arm 35 can directly rotate straining window frame 1, and when straining arm 35 arrived the straining position, under the elastic force effect of elastic component 33, activity locating part 34 was automatic to be inserted spacing hole 351 of non-circle, and the head of a family when this kind of flat-open window uses can effectively prevent children from opening the casement with unlocking arm 5 reasonable storage.

In order to enable the fastening arm 35 to be positioned at the window opening position and also at the fastening position, the alternative technical scheme is as follows: the non-circular outer profile 341 is a regular hexagonal profile, and the non-circular position-limiting hole 351 is a regular hexagonal position-limiting hole. In this case, the fastening arm 35 can be positioned at six angles, and the fastening arm 35 can be rotated by the unlocking arm 5 when the window sash 2 is closed.

In order to enhance the fastening force of the fastening arm 35 engaged with the window frame 1 and to make the fastening mechanism 3 more firmly positioned at any place of the sliding rail, the window frame 1 is provided with a vertical protruding strip 11 engaged with the fastening arm 35.

In order to facilitate the fastening arm 35 to push the fastening mechanism 3 to a high position when fastened, in this embodiment, the fastening arm 35 is provided with a pulley 353 protruding from the inner side surface of the fastening arm 35. With the structure, under the condition that the fastening arm 35 fastens the window frame, the whole fastening mechanism 3 can be conveniently pushed to slide on the sliding rail 4 without rotating the fastening arm 35 first.

The slide rail 4 includes a T-shaped slide way, the housing 31 is formed by splicing a first housing 311 and a second housing 312, and sliding grooves 313 matched with the T-shaped slide way are oppositely arranged on the first housing 311 and the second housing 312.

The inner of the shell 31 is provided with a guide sleeve 6, the guide sleeve 6 is sequentially provided with an electromagnet 61, a spring 62 and an iron limiting block 63 from inside to outside, the side wall of the unlocking channel 352 is provided with two first contact blocks a, the two first contact blocks a are connected with the two ends of a coil of the electromagnet 61 through first wires b one by one, the unlocking arm 5 is provided with an insertion rod 51 aligned with the two first contact blocks a one by one, the insertion rod 51 is conductive, the unlocking arm 5 is provided with a first power supply 52, the two insertion rods 51 are connected with the positive and negative poles of the first power supply 52 through second wires c, when the electromagnet 61 is powered off, the iron limiting block 63 extends out of the guide sleeve 6 to limit the inner end of the movable limiting part 34, and when the electromagnet 61 is powered on, the iron limiting block 63 retracts into the guide sleeve 6 to. Due to the fact that other rod-shaped objects can be inserted into the unlocking channel 352 to push the movable limiting piece 34 out of the non-circular limiting hole 351, the fastening arm 35 can be rotated, the iron limiting piece 63 can release the limiting of the movable limiting piece 34 and the movable limiting piece 34 can be pushed out of the non-circular limiting hole 351 only under the condition that the electromagnet 61 is electrified, namely the rod 51 is in one-to-one aligned contact with the first contact blocks a, the possibility that the fastening arm 35 is rotated under the condition that the unlocking arm 5 is not used can be further reduced, and the window sash is further prevented from being opened by children.

To facilitate the operation of the fastening arm 35 located at a higher position, the unlocking arm 5 is provided with an extension rod 53, the extension rod 53 is provided with a switch 54, and the switch 54 is connected in series between the insertion rod 51 and the first power source 52.

For the convenience of the unlocking arm 5 being received, the extension rod 53 is an adjustable telescopic sleeve rod. When not using, collapsible extension rod reduces and accomodates the volume.

Two ends of the coil of the electromagnet 61 are connected in series with a normally open thermal switch f and a second power supply g through a third wire e, and the normally open thermal switch f extends out of the shell 31. Because of must be under the circumstances at electro-magnet 61 circular telegram, activity locating part 34 can just be pushed out spacing hole 351 of non-circle, when the conflagration takes place, if first power 52 electric quantity is not enough, perhaps can't acquire release arm 5 fast, can lead to casement 2 can't in time to open, indoor personnel can't flee from the window and lead to serious consequence, consequently when the conflagration takes place, normally open temperature sensitive switch f can be closed because of being heated, make electro-magnet 61 circular telegram, iron locating part 63 relieves the spacing to activity locating part 34, insert the shaft-like thing from unblock passageway 352 at will and can rotate fastening arm 35 and open casement 2.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a prevent flat-open window that children opened, includes window frame (1) and casement (2), casement (2) one side with window frame (1) is connected through hinge rotation, casement (2) opposite side is provided with straining device (3), its characterized in that: the window frame is characterized in that a vertical sliding rail (4) is arranged on the window sash (2), the fastening mechanism (3) is arranged on the sliding rail (4) in a sliding mode, and the fastening mechanism (3) is fastened with the window frame (1) so that the fastening mechanism (3) can be located at any position on the sliding rail (4).

2. A child-resistant casement window as recited in claim 1, wherein: the fastening mechanism (3) comprises a shell (31), a pin shaft (32), an elastic piece (33), a movable limiting piece (34), a fastening arm (35) and an unlocking arm (5), the pin shaft (32) is fixedly arranged in the shell (31) in a penetrating manner, the pin shaft (32) comprises a polygonal guide part (321) and a circular rotary part (322), the movable limiting piece (34) is sleeved on the polygonal guide part (321) in a sliding manner, the fastening arm (35) is sleeved on the circular rotary part (322) in a rotating manner, a non-circular limiting hole (351) is formed in the fastening arm (35), the outer periphery of the movable limiting piece (34) is a non-circular outer contour (341), the movable limiting piece (34) faces to the end of the non-circular limiting hole (351), a circular truncated cone-shaped bulge (342) is arranged at the end of the movable limiting piece (34) facing to the non-circular limiting hole (351), and the elastic piece (33) which pushes the movable limiting piece (34) to the, when the fastening arm (35) is in a fastening position, the non-circular outer profile (341) is aligned with and inserted into the non-circular limiting hole (351), the side wall of the non-circular limiting hole (351) is provided with an unlocking channel (352), and the unlocking arm (5) is provided with an inserting rod (51) which is used for being inserted into the unlocking channel (352) to push the movable limiting piece (34).

3. A child-resistant casement window as recited in claim 2, wherein: the non-circular outer contour (341) is a regular polygon contour, and the non-circular limiting hole (351) is a regular polygon limiting hole.

4. A child-resistant casement window as recited in claim 2, wherein: the window frame (1) is provided with a vertical convex strip (11) matched with the fastening arm (35).

5. A child-resistant casement window as recited in claim 2, wherein: the fastening arm (35) is provided with a pulley (353) which is protruded out of the inner side surface of the fastening arm (35).

6. A child-resistant casement window as recited in claim 2, wherein: slide rail (4) include T shape slide, casing (31) are formed by first casing (311) and second casing (312) amalgamation, first casing (311) with relative being provided with on second casing (312) with spout (313) that T shape slide matches.

7. A child-resistant casement window according to any one of claims 2 to 6 wherein: the novel electric door lock is characterized in that a guide sleeve (6) is arranged in the shell (31), an electromagnet (61), a spring (62) and an iron limiting block (63) are sequentially arranged in the guide sleeve (6) from inside to outside, two first contact blocks (a) are arranged on the side wall of the unlocking channel (352), two first contact blocks (a) are connected with two ends of a coil of the electromagnet (61) through first wires (b) one by one, inserting rods (51) aligned with the two first contact blocks (a) one by one are arranged on the unlocking arm (5), the inserting rods (51) are conductive, a first power supply (52) is arranged on the unlocking arm (5), the two inserting rods (51) are connected with the positive electrode and the negative electrode of the first power supply (52) through second wires (c), and when the electromagnet (61) is powered off, the iron limiting block (63) extends out of the guide sleeve (6) to limit the inner end of the movable limiting part (34), when the electromagnet (61) is electrified, the iron limiting block (63) retracts into the guide sleeve (6) to relieve the limiting of the movable limiting piece (34).

8. A child-resistant casement window as recited in claim 7, wherein: be provided with extension rod (53) on unblock arm (5), be provided with switch (54) on extension rod (53), switch (54) are established ties between inserted bar (51) and first power (52).

9. A child-resistant casement window as recited in claim 8, wherein: the extension rod (53) is an adjustable telescopic sleeve rod.

10. A child-resistant casement window as recited in claim 7, wherein: two ends of a coil of the electromagnet (61) are connected with a normally open thermosensitive switch (f) and a second power supply (g) in series through a third lead (e), and the normally open thermosensitive switch (f) extends out of the shell (31).