CN212716334U

CN212716334U - Double inward-opening inward-falling safety window

Info

Publication number: CN212716334U
Application number: CN202021308790.7U
Authority: CN
Inventors: 范泽金
Original assignee: Individual
Current assignee: Sichuan Jinzhi Shangpin Door & Window Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-03-16
Anticipated expiration: 2030-07-07

Abstract

The embodiment of the application discloses two interior division of safety window that fall in. The window comprises a window frame, a screen window sash, a glass window sash, a handle assembly and a plug-in buckle assembly. The window frame comprises an outer window frame part and an inner window frame part; the screen window sash is connected to the inner side of the right part of the outer window frame part through a first hinge connecting assembly and a second hinge connecting assembly; the left side of the window sash of the screen window is connected with the inner side of the left part of the outer window frame part through a first locking mechanism; the right upper part of the glass window sash is connected with the inner side of the right upper part of the inner window frame part through a first inward opening inward tilting window hinge assembly, and the right lower part of the glass window sash is connected with the inner side of the right lower part of the inner window frame part through a second inward opening inward tilting window hinge assembly; the handle assembly is arranged at the left part of the glass window sash and is connected with the first inward-opening inward-tilting window hinge assembly through the first transmission assembly; the eye-splice subassembly is connected with the handle subassembly through second transmission assembly. The two safety windows of falling in interior division of opening of this application embodiment both can realize the interior flush of screen window and glass window, can realize the interior flush of opening of glass window again.

Description

Double inward-opening inward-falling safety window

Technical Field

The application relates to a window, in particular to a double inward opening and inward falling safety window.

Background

The window and door are the important components of the house, and the window mainly has the functions of light transmission, brightness, ventilation and air exchange. The common window and door is divided into an outward casement window, an outward hung window and an inward opened window. The outer casement window and the outer suspension window cannot occupy indoor space due to outward opening, but have the danger of falling; the inward opening window does not have the risk of falling outward due to inward opening, but occupies the indoor space.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, this application provides a two interior division of safety window that falls.

The double inward opening and inward reversing safety window can comprise a window frame, a screen window sash, a glass window sash, a handle assembly and a plug-in component.

Wherein the window frame comprises an outer window frame portion and an inner window frame portion; the right upper part of the screen window sash is connected to the inner side of the right upper part of the outer window frame part through a first hinge connection assembly, and the right lower part of the screen window sash is connected to the inner side of the right lower part of the outer window frame part through a second hinge connection assembly; the left side of the screen window sash is connected with the inner side of the left part of the outer window frame part through a first locking mechanism; the right upper part of the glass window sash is connected with the inner side of the right upper part of the inner window frame part through a first inward opening inward tilting window hinge assembly, and the right lower part of the glass window sash is connected with the inner side of the right lower part of the inner window frame part through a second inward opening inward tilting window hinge assembly; the handle assembly is arranged at the left part of the glass window sash and is connected with the first inward-opening inward-tilting window hinge assembly through a first transmission assembly; the eye-splice subassembly passes through the second transmission subassembly with the handle subassembly is connected.

According to a preferred embodiment of the present application, the first hinge connection assembly comprises a first link, a second link, a third link, a slider and a fixed member; in a connection state, the first connecting piece is fixed on the outer window frame part, the fixed piece is installed on the window sash of the screen window, and the sliding piece can be connected on the window sash in a sliding manner; one end of the second connecting piece is hinged with the first connecting piece, and the other end of the second connecting piece is hinged with the top end of the fixing piece; one end of the third connecting piece is hinged with the first connecting piece, and the other end of the third connecting piece is hinged with the sliding piece; and the third connecting piece is also hinged with the second connecting piece.

According to a preferred embodiment of the present application, the first locking mechanism includes a screen window handle, a conversion member, a first transmission rod, a first lock seat, a second transmission rod, a second lock rod, and a second lock seat; the screen window handle is arranged on the screen window sash, and the conversion piece is arranged on the screen window handle; the first lock rod is slidably arranged on the left upper side of the screen window sash and is connected with the conversion piece through the first transmission rod; the first lock seat is arranged on the outer window frame part and corresponds to the position of the first lock rod; the second lock rod is slidably arranged at the left lower side of the window sash of the screen window and is connected with the conversion piece through the second transmission rod; the second lock seat is arranged on the outer window frame part and corresponds to the position of the second lock rod; therefore, the first lock rod and the first lock seat as well as the second lock rod and the second lock seat can be locked or unlocked by moving the conversion piece up and down.

According to a preferred embodiment of the present application, the first inside-opening inside-reversing window hinge assembly includes a first fixed connector mounted on the inner window frame portion, a connecting plate connected to the glass window sash, a first connecting plate, a second connecting plate, a third connecting plate, and a sliding plate; a sliding groove and a clamping groove are formed in the third connecting plate; a clamping column is arranged on the sliding plate; one end of the first connecting plate is hinged with the first fixed connecting piece, and the other end of the first connecting plate is hinged with one end of the third connecting plate; one end of the second connecting plate is hinged with the first fixed connecting piece, and the other end of the second connecting plate is connected with the sliding groove on the third connecting plate in a sliding manner through a connecting column; the middle part of the second connecting plate is hinged with the middle part of the first connecting plate; the other end of the third connecting plate is connected with the connecting plate; the sliding plate is slidably mounted on the connecting plate.

According to a preferred embodiment of the present application, the second inside-opening and inside-reversing window hinge assembly includes an L-shaped connector rotatably coupled to the inner window frame portion by a hinge, a second fixed connector mounted on the window sash, and a T-shaped connector; an arc-shaped groove and a swing hole for penetrating the arc-shaped groove are formed in the second fixed connecting piece; the horizontal part of the T-shaped connecting piece is arc-shaped, the horizontal part of the T-shaped connecting piece can be rotatably arranged in the arc-shaped groove in a connecting state, and the vertical part of the T-shaped connecting piece penetrates through the swinging hole to be connected with the L-shaped connecting piece, so that the second fixed connecting piece can swing back and forth on the L-shaped connecting piece.

According to a preferred embodiment of the present application, the handle assembly comprises a handle and a conversion assembly; wherein the conversion assembly comprises a housing, a drive rack and a drive gear; the shell is arranged on the glass window sash, the driving rack is slidably arranged on the shell, and the driving gear is arranged in the shell and meshed with the driving rack; the handle is connected with the driving gear, so that the driving gear can be driven to rotate by rotating the handle.

According to a preferred embodiment of the present application, the first transmission assembly comprises a first transmission piece, an angle transmission and a second transmission piece; the corner driver is arranged on the upper left corner of the glass window sash; one end of the first transmission piece is connected with the lower end of the angle transmission piece, and the other end of the first transmission piece is connected with the upper end of the driving rack in the handle assembly; one end of the second transmission piece is connected with the upper end of the angle driver, and the other end of the second transmission piece is connected with the sliding plate.

According to a preferred embodiment of the present application, the buckle assembly includes a plug member and a socket; the lower end part of the plug connector is provided with a plug connector; the plug socket is provided with a plug hole; in a connection state, the plug socket is arranged on the inner side of the lower part of the inner window frame part, the plug connector is arranged on the glass window sash, and the upper end of the plug connector is connected with the lower end of the driving rack through the second transmission assembly.

According to a preferred embodiment of the present application, the second transmission assembly comprises a transmission rod; the upper end of the transmission rod is connected with the lower end of the driving rack, and the lower end of the transmission rod is connected with the upper end of the plug connector.

According to a preferred embodiment of the present application, the screen window sash is a high-transparency screen or a 304 stainless steel screen.

Compared with the prior art, the double inward-opening inward-falling safety window has the following beneficial effects:

the glass window sashes in the double inward-opening inward-falling safety window can be opened in an inward-opening or inward-falling mode, so that the problem that the window sashes are opened inward to occupy indoor space can be solved, and the danger of falling outward can be reduced; in addition, because the window sash is hung at the bottom, air enters a room from the upper opening and the side opening of the window, and the air is prevented from directly blowing the face or the body, so that the exchange of indoor and outdoor air is softer and more comfortable; when raining, rain drops can splash on the glass along with wind and flow out along the glass, and people do not need to worry about the intrusion of rainwater into a room; and the internal structure is multi-locking point sealing, so that the sealing performance of the window sash can be further improved.

In addition, the two interior division of safety windows that fall in of this application embodiment still are provided with interior division of screen window, can be with the air permeability of guaranteeing the window again can mosquito-proof protection against insects. Further, the light transmission of the window can be further ensured by adopting the high-transparency screen window.

Additional features of the present application will be set forth in part in the description which follows. Additional features of some aspects of the present application will be apparent to those of ordinary skill in the art in view of the following description and accompanying drawings, or in view of the production or operation of the embodiments. The features disclosed in this application may be realized and attained by practice or use of various methods, instrumentalities and combinations of the specific embodiments described below.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. Like reference symbols in the various drawings indicate like elements. Wherein the content of the first and second substances,

fig. 1 is a schematic structural view of a double inwardly-opening and inwardly-falling security window in a double inwardly-opening state according to some embodiments of the present application;

FIG. 2 is a schematic structural view of a double inwardly-opening inwardly-reversing security window in an inwardly-reversing state according to some embodiments of the present application;

FIG. 3 is a schematic view of a window frame in a double Inward and Inward opening security window according to some embodiments of the present application;

FIG. 4 is an exploded view of the installation of a screen in a double inwardly opening and inwardly reversing security window according to some embodiments of the present application;

FIG. 5 is a schematic structural view of a first hinge connection assembly in a double inwardly opening and inwardly reversing security window according to some embodiments of the present application;

FIG. 6 is a schematic structural view of a second hinge connection assembly in a double inwardly opening and inwardly reversing security window according to some embodiments of the present application;

figure 7 is a schematic view of a screen according to some embodiments of the present application connected to a window frame by a second hinge connection assembly;

FIG. 8 is a schematic illustration of the structure of a lock bar and a lock housing in a first latch mechanism according to some embodiments of the present application;

FIG. 9 is an exploded view of the installation of a glass sash in a double inside-out and inside-out security window according to some embodiments of the present application;

FIGS. 10 and 11 are schematic views of a first inside-out and inside-out window hinge assembly in a dual inside-out and inside-out security window according to some embodiments of the present application;

FIG. 12 is a schematic structural view of a second inside-out and inside-out window hinge assembly in a double inside-out and inside-out security window according to some embodiments of the present application;

FIG. 13 is a schematic structural view of a second stationary connector in a second inside-out and inside-out window hinge assembly according to some embodiments of the present application;

fig. 14 is a schematic view of a T-connector in a second inside-out and inside-out window hinge assembly according to some embodiments of the present application.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that if the terms "first", "second", etc. are used in the description and claims of this application and in the above-described drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, if the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", etc. are referred to, their indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, in this application, the terms "mounted," "disposed," "provided," "connected," "sleeved," and the like should be construed broadly if they are referred to. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The embodiment of the application discloses two interior division of safety window that fall in.

As shown in fig. 1 to 4 and 9, the double inward opening and inward reversing security window may include a window frame 1, a window sash 2, a glass window sash 6, a handle assembly 9 and a latch assembly 11.

The window frame 1 includes an outer window frame portion 101 and an inner window frame portion 102. The upper right portion of the screen window sash 2 is connected to the inner side of the upper right portion of the outer window frame portion 101 through a first hinge connection assembly 3, and the lower right portion thereof is connected to the inner side of the lower right portion of the outer window frame portion 101 through a second hinge connection assembly 4.

Illustratively, as shown in fig. 4 and 5, the first hinge connecting assembly 3 may include a first connecting member 301, a second connecting member 302, a third connecting member 303, a sliding member 304 and a fixing member 305.

In the connected state, the first connector 301 is fixed to the outer frame portion 101, the fixing member 305 is mounted on the screen sash 2, and the sliding member 304 is slidably connected to the screen sash 2. The second connecting member 302 has one end hinged to the first connecting member 301 and the other end hinged to the top end of the fixing member 305. The third connecting member 303 is hinged to the first connecting member 301 at one end and to the sliding member 304 at the other end. And the third connector 303 is also hingedly connected to the second connector 302.

Illustratively, as shown in fig. 6 and 7, the second hinge connecting assembly 4 has the same structure as the first hinge connecting assembly 3, except that the second hinge connecting assembly 4 and the first hinge connecting assembly 3 are symmetrically installed. The screen window sash 2 is arranged on the window frame through the second hinged connection assembly 4 and the first hinged connection assembly 3, so that the screen window sash 2 can be rotated inwards to be opened, and an inwards opened screen window is formed.

The left side of the screen window sash 2 is connected with the inner side of the left part of the outer window frame part 101 through a first locking mechanism 5.

Illustratively, as shown in fig. 4, the first locking mechanism 5 includes a screen handle 501, a conversion member 502, a first transmission rod 503, a first locking rod 504, a first locking seat 505, a second transmission rod 506, a second locking rod 507, and a second locking seat 508.

The screen window handle 501 is arranged on the screen window sash 2, and the conversion piece 502 is arranged on the screen window handle 501. The first lock bar 504 is slidably mounted on the upper left side of the screen window sash 2 and is connected to the switch 502 via a first transmission rod 503. The first lock holder 505 is mounted on the outer window frame portion 101 at a position corresponding to the first lock lever 504. A second locking bar 507 is slidably installed at the lower left side of the screen window sash 2 and is connected to the switching member 502 by a second transmission lever 506. The second lock base 508 is installed on the outer window frame portion 101 at a position corresponding to the second lock lever 507. So that the first lock lever 504 and the first lock holder 505 and the second lock lever 507 and the second lock holder 508 can be locked or unlocked by moving the conversion member 502 up and down.

Specifically, as shown in fig. 8, a lock groove 509 is formed in each of the first lock holder 505 and the second lock holder 508, and a lock cylinder 510 is provided in each of the first lock lever 504 and the second lock lever 507. In the closed state, the lock cylinder 510 of the first lock rod 504 is engaged with the lock slot 509 of the first lock seat 505; the lock cylinder 510 of the second lock lever 507 is engaged with the lock groove 509 of the second lock holder 508.

When the screen window sash 2 is opened from a closed state, the screen window handle 501 is moved upwards, and the first lock rod 504 is driven to move upwards through the conversion piece 502 and the first transmission rod 503, so that the lock cylinder 510 on the first lock rod 504 slides out of the lock groove 509 on the first lock seat 505; meanwhile, the conversion member 502 and the second transmission rod 506 drive the second lock rod 507 to move upwards, so that the lock cylinder 510 on the second lock rod 507 slides out of the lock groove 509 on the second lock seat 508, and the flat opening of the window sash 2 can be realized by pulling the window sash 2. When the window screen sash 2 is closed and locked, the window screen handle 501 is moved downwards.

In some embodiments, the screen sash 2 may be a high-transparency screen or a 304 stainless steel screen. Preferably, the screen window sash 2 is a high-transmittance 48-mesh PET screen window.

As shown in fig. 9, the upper right portion of the glass sash 6 is connected to the upper right inner side of the inner sash portion 102 by a first inside-opening inside-reversing window hinge assembly 7.

Illustratively, as shown in fig. 10 and 11, the first inside-opening and inside-reversing window hinge assembly 7 includes a first fixed connector 701 mounted on the inner window frame portion 102, a connecting plate 702 connected to the glass window sash 6, a first connecting plate 703, a second connecting plate 704, a third connecting plate 705, and a sliding plate 706. The third connecting plate 705 is provided with a slide groove 707 and a catch groove 708. A catch 709 is provided on the sliding plate 706. One end of the first connecting plate 703 is hinged to the first fixed connecting member 701, and the other end is hinged to one end of the third connecting plate 705. One end of the second connecting plate 704 is hinged to the first fixed connecting member 701, and the other end is slidably connected to a sliding groove 707 of the third connecting plate 705 through a connecting column 710. And the middle portion of the second connecting plate 704 is also hinged to the middle portion of the first connecting plate 703. The other end of the third connection plate 705 is connected to the connection plate 702. A sliding plate 706 is slidably mounted on the connecting plate 702.

The lower right portion of the glass sash 6 is connected by the inner side of the lower right portion of the inner sash portion 102 of the second inside-opening inside-reversing window hinge assembly 8.

Illustratively, as shown in fig. 12, 13 and 14, the second inside-out and inside-out window hinge assembly 8 includes an L-shaped connector 802 rotatably connected to the inner sash portion 102 by a hinge 801, a second fixed connector 803 mounted to the window sash 6, and a T-shaped connector 804. An arc-shaped groove 805 and a swing hole 806 penetrating the arc-shaped groove 805 are provided on the second fixed link 803. The horizontal portion 807 of the T-shaped connecting member 804 is arc-shaped, and in a connected state, the horizontal portion of the T-shaped connecting member 804 is rotatably installed in the arc-shaped groove 805, and the vertical portion 808 of the T-shaped connecting member 804 passes through the swinging hole 806 to be connected with the L-shaped connecting member 802, so that the second fixed connecting member 803 can swing back and forth on the L-shaped connecting member 802.

As shown in fig. 9, a handle assembly 9 is installed at a left portion of the glass window sash 6 and is connected with the first window hinge assembly 7 through a first transmission assembly 10.

Illustratively, the handle assembly 9 includes a handle 901 and a switch assembly 902. The conversion assembly 902 includes, among other things, a housing 903, a drive rack 904, and a drive gear. A housing 903 is mounted on the glass sash 6, a drive rack 904 is slidably disposed on the housing 903, and a drive gear is mounted in the housing 903 and engages with the drive rack 904. The handle 901 is connected to the driving gear so that the driving gear can be rotated by rotating the handle 901.

The first transmission assembly 10 includes a first transmission member 1010, an angle transmission member 1020, and a second transmission member 1030. The corner driver 1020 is mounted on the upper left corner of the glass sash 6. One end of the first transmission element 1010 is connected to the lower end of the angle transmission 1020, and the other end is connected to the upper end of the driving rack 904 of the handle assembly 9. The second transmission member 1030 is connected at one end to the upper end of the angle driver 1020 and at the other end to the sliding plate 706. The angle driver 1020 may employ an existing angle driver.

The buckle assembly 11 is connected with the handle assembly 9 through a second transmission assembly 12.

Illustratively, the buckle assembly 11 includes a plug 1101 and a receptacle 1102. A plug 1103 is provided at the lower end of the plug 1101. A socket 1104 is provided in the socket 1102. In the connected state, the socket 1102 is mounted inside the lower part of the inner sash portion 102, the plug 1101 is mounted on the glass sash 6 and the upper end is connected with the lower end of the drive rack 904 through the second transmission assembly 12. Wherein the second transmission assembly 12 comprises a transmission rod. The upper end of the drive rod is connected to the lower end of the drive rack 904, and the lower end of the drive rod is connected to the upper end of the plug 1101.

When the glass window sash 6 needs to be opened inwards, the handle 901 drives the driving gear to rotate to drive the driving rack 904, the second transmission assembly 12 and the plug piece 1101 to move upwards, so that the plug connector 1103 is moved out of the plug hole 1104; meanwhile, the driving gear rotates to drive the sliding plate 706 to move rightwards through the driving rack 904, the first transmission piece 1010, the angle transmission piece 1020 and the second transmission piece 1030, so that the clamping column 709 moves into the clamping groove 708 to be locked. When the glass window sash 6 is pulled, the connecting plate 702 and the first fixed connecting piece 701 can only rotate through a hinge formed by the first connecting plate 703, the second connecting plate 704 and the third connecting plate 705; the second fixing connector 803 may be connected to the hinge 801 by an L-shaped connector 802 so as to be rotated by the hinge, so that the window sash 6 may be opened inward as shown in fig. 1.

When the glass window sash 6 needs to be opened inwards, the handle 901 drives the driving gear to rotate to drive the driving rack 904, the second transmission assembly 12 and the plug piece 1101 to move downwards, so that the plug connector 1103 is inserted into the plug hole 1104; meanwhile, the driving gear rotates to drive the sliding plate 706 to move leftwards through the driving rack 904, the first transmission piece 1010, the angle transmission piece 1020 and the second transmission piece 1030, so that the clamping column 709 slides out of the clamping groove 708. When the glass window sash 6 is pulled, the connecting plate 702 and the first fixed connecting piece 701 can be unfolded outwards through the hinge formed by the first connecting plate 703, the second connecting plate 704 and the third connecting plate 705, as shown in fig. 10; the second fixed connecting member 803 may swing inward at a certain angle on the L-shaped connecting member 802 by the T-shaped connecting member 804, thereby achieving the inward opening of the window sash 6, as shown in fig. 2.

It should be noted that all of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

In addition, the above embodiments are exemplary, and those skilled in the art can devise various solutions in light of the disclosure, which are also within the scope of the disclosure and the protection scope of the present invention. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. The utility model provides a two interior divisions of safety window that falls, its characterized in that, it includes:

a window frame (1) comprising an outer window frame portion (101) and an inner window frame portion (102);

the right upper part of the screen window sash (2) is connected to the inner side of the right upper part of the outer window frame part (101) through a first hinge connection assembly (3), and the right lower part of the screen window sash is connected to the inner side of the right lower part of the outer window frame part (101) through a second hinge connection assembly (4); the left side of the screen window sash (2) is connected with the inner side of the left part of the outer window frame part (101) through a first locking mechanism (5);

the right upper part of the glass window sash (6) is connected with the inner side of the right upper part of the inner window frame part (102) through a first inward opening inward tilting window hinge assembly (7), and the right lower part of the glass window sash is connected with the inner side of the right lower part of the inner window frame part (102) through a second inward opening inward tilting window hinge assembly (8);

a handle assembly (9) mounted at the left portion of the glass sash (6) and connected to the first window-tilt-in hinge assembly (7) by a first transmission assembly (10);

and

a buckle assembly (11) connected with the handle assembly (9) through a second transmission assembly (12).

2. A double inner opening and falling safety window according to claim 1, wherein the first hinge connection assembly (3) comprises a first connector (301), a second connector (302), a third connector (303), a sliding member (304) and a fixing member (305);

in the connected state, the first connecting piece (301) is fixed on the outer window frame part (101), the fixed piece (305) is installed on the window sash (2), and the sliding piece (304) can be connected on the window sash (2) in a sliding way;

one end of the second connecting piece (302) is hinged with the first connecting piece (301), and the other end of the second connecting piece is hinged with the top end of the fixing piece (305);

one end of the third connecting piece (303) is hinged with the first connecting piece (301), and the other end of the third connecting piece is hinged with the sliding piece (304); and the third connecting piece (303) is also hinged with the second connecting piece (302).

3. A double inner opening and reversing safety window according to claim 1, characterized in that the first locking mechanism (5) comprises a screen handle (501), a converter (502), a first transmission rod (503), a first locking rod (504), a first locking seat (505), a second transmission rod (506), a second locking rod (507) and a second locking seat (508);

the screen window handle (501) is arranged on the screen window sash (2), and the conversion piece (502) is arranged on the screen window handle (501);

the first lock rod (504) is slidably arranged on the left upper side of the screen window sash (2) and is connected with the conversion piece (502) through the first transmission rod (503); the first lock seat (505) is arranged on the outer window frame part (101) at a position corresponding to the first lock rod (504); the second lock rod (507) is slidably arranged at the left lower side of the screen window sash (2) and is connected with the conversion piece (502) through the second transmission rod (506); the second lock base (508) is arranged on the outer window frame part (101) at a position corresponding to the second lock rod (507); so that the first locking lever (504) and the first locking seat (505) and the second locking lever (507) and the second locking seat (508) can be locked or unlocked by moving the conversion member (502) up and down.

4. A double inside-opening inside-reversing safety window according to claim 1, characterized in that the first inside-opening inside-reversing window hinge assembly (7) comprises a first fixed connector (701) mounted on the inner window frame portion (102), a connecting plate (702) connected to the glass window sash (6), a first connecting plate (703), a second connecting plate (704), a third connecting plate (705) and a sliding plate (706);

a sliding groove (707) and a clamping groove (708) are arranged on the third connecting plate (705); a clamping column (709) is arranged on the sliding plate (706);

one end of the first connecting plate (703) is hinged with the first fixed connecting piece (701), and the other end of the first connecting plate is hinged with one end of the third connecting plate (705);

one end of the second connecting plate (704) is hinged with the first fixed connecting piece (701), and the other end of the second connecting plate is connected with a sliding groove (707) on the third connecting plate (705) in a sliding way through a connecting column (710); and the middle part of the second connecting plate (704) is hinged with the middle part of the first connecting plate (703);

the other end of the third connecting plate (705) is connected with the connecting plate (702);

the sliding plate (706) is slidably mounted on the connecting plate (702).

5. A double inside-opening inside-reversing safety window according to claim 1, wherein the second inside-opening inside-reversing window hinge assembly (8) comprises an L-shaped connector (802) rotatably connected to the inner window frame portion (102) by a hinge (801), a second fixed connector (803) and a T-shaped connector (804) mounted on the glass window sash (6);

an arc-shaped groove (805) and a swinging hole (806) for penetrating the arc-shaped groove (805) are arranged on the second fixed connecting piece (803); the horizontal part (807) of the T-shaped connecting piece (804) is arc-shaped, in a connecting state, the horizontal part of the T-shaped connecting piece (804) is rotatably arranged in the arc-shaped groove (805), and the vertical part (808) of the T-shaped connecting piece (804) passes through the swinging hole (806) to be connected with the L-shaped connecting piece (802), so that the second fixed connecting piece (803) can swing back and forth on the L-shaped connecting piece (802).

6. A double Inward opening and reversing safety window according to claim 4, wherein the handle assembly (9) comprises a handle (901) and a switching assembly (902);

wherein the conversion assembly (902) comprises a housing (903), a drive rack (904), and a drive gear;

the casing (903) is installed on the glass window sash (6), the driving rack (904) is slidably arranged on the casing (903), and the driving gear is installed in the casing (903) and meshed with the driving rack (904);

the handle (901) is connected with the driving gear, so that the driving gear can be driven to rotate by rotating the handle (901).

7. A double Inward opening and reversing safety window according to claim 6, wherein the first transmission assembly (10) comprises a first transmission piece (1010), a corner transmission piece (1020) and a second transmission piece (1030);

the corner driver (1020) is arranged on the upper left corner of the glass window sash (6); one end of the first transmission piece (1010) is connected with the lower end of the angle transmission piece (1020), and the other end of the first transmission piece is connected with the upper end of the driving rack (904) in the handle assembly (9);

one end of the second transmission piece (1030) is connected with the upper end of the angle transmission device (1020), and the other end of the second transmission piece is connected with the sliding plate (706).

8. A double inwardly opening inwardly inverted security window according to claim 7, wherein said buckle assembly (11) comprises a plug connector (1101) and a plug socket (1102);

a plug connector (1103) is arranged at the lower end of the plug connector (1101); a plug hole (1104) is arranged on the plug seat (1102);

in a connection state, the plug socket (1102) is arranged on the inner side of the lower part of the inner window frame part (102), the plug connector (1101) is arranged on the glass window sash (6) and the upper end of the plug connector is connected with the lower end of the driving rack (904) through the second transmission component (12).

9. A double inwardly opening inwardly inverted security window according to claim 8, wherein said second transmission assembly (12) comprises a transmission rod; the upper end of the transmission rod is connected with the lower end of the driving rack (904), and the lower end of the transmission rod is connected with the upper end of the plug connector (1101).

10. A double inwardly opening inwardly inverted safety window according to any one of claims 1 to 9, wherein the screen window sash (2) is a high-transparency screen window or a 304 stainless steel screen window.