CN218934111U - Automatic locking structure and window sash structure - Google Patents

Abstract

The utility model discloses an automatic locking structure and a window sash structure, which comprises a transmission seat and a base, wherein the transmission seat is provided with a lock seat and a bump lock block at intervals along a first direction, the lock seat is fixed on the transmission seat, the bump lock block is slidably arranged on the transmission seat and is connected with a first elastic piece, a locking channel is formed between the lock seat and the bump lock block, and the bump lock block is provided with a first clamping part; the base is provided with a clamping assembly, the clamping assembly comprises a second elastic piece and a second clamping part arranged in the sliding direction of the touch locking block, the second elastic piece provides elasticity for enabling the second clamping part to be clamped with the first clamping part, and the touch locking block is far away from the lock seat in the process that the transmission seat moves along the first direction relative to the base; the base is provided with a locking piece locked with one of the lock base or the latch block. Under the unattended opening state of the window sash, the window sash can be locked after being closed under the action of certain wind pressure. The utility model can be opened or closed and locked by the handle operation when the window sash is normally used.

Description

Automatic locking structure and window sash structure

Technical Field

The utility model relates to the technical field of hardware, in particular to an automatic locking structure and a window sash structure.

Background

The curtain wall window opening and closing modes in the current market generally use an electric or hand-operated system to control opening and closing of the window sashes, and other modes are opened and closed by manually operating handles. The window type window is opened and closed by manual operation of the handle, when strong wind or typhoon exists, the window fan is unattended and opened, the window fan is not provided with a self-locking hardware device, the window fan swings back and forth under the action of positive and negative wind pressure, and the damage to the window fan and the falling risk of the window fan are easily caused. In particular, the design of some curtain wall windows is that the larger the overall attractive size is, the larger the wind pressure applied to the window sashes is, the higher the strength requirement on lock points is, and most of lock points in the market are designed according to the standard design value of 0.8KN, so that the lock points cannot bear instantaneous wind pressure, and the problem of lock point breakage is caused. In some large window sizes it is often necessary to add lock points to increase the pressure resistance of the sash, which not only increases costs, but also takes into account whether the mounting location of the whole window hardware is sufficient.

Disclosure of Invention

The present utility model aims to provide an automatic locking structure and a window sash structure, which solve one or more technical problems existing in the prior art, and at least provide a beneficial choice or creation condition.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides an automatic locking structure, which comprises a transmission seat and a base, wherein the transmission seat is provided with a lock seat and a latch block at intervals along a first direction, the lock seat is fixed on the transmission seat, the latch block is slidably arranged on the transmission seat, the latch block is connected with a first elastic piece, the first elastic piece is used for providing elastic tension force for enabling the latch block to move towards the lock seat, a locking channel is formed between the lock seat and the latch block, and the latch block is provided with a first clamping part;

the base is provided with a clamping assembly, the clamping assembly comprises a second elastic piece and a second clamping part arranged in the sliding direction of the latch block, the second elastic piece provides elasticity for enabling the second clamping part to be clamped with the first clamping part, and the latch block is far away from the lock seat in the process that the transmission seat moves along the first direction relative to the base;

the base is provided with a locking piece which is clamped in from the locking channel and locked with one of the lock seat or the latch block.

The beneficial effects of the utility model are as follows:

when the curtain wall window sash is in an unattended open state, the window sash is closed after being subjected to a certain wind pressure, the locking piece is guided in a collision way along one side of the latch block, which is close to the lock seat, in the closing process, when the locking piece is positioned at a locking position with the latch block, the latch block slides and resets to an initial state along the transmission seat under the action of the first elastic piece, and the latch block is buckled with the locking piece, so that an automatic locking function is achieved;

when the curtain wall window sash is normally used for locking the window sash, the handle is rotated by 90 degrees along the anticlockwise direction by rotating the handle, the handle drives the transmission mechanism to enable the transmission seat to horizontally move along the window opening, the lock seat can move to enable the lock seat to be locked with the locking piece, the window sash is further kept in a locking state all the time, meanwhile, the first clamping part correspondingly moves and presses the second clamping part, and under the elastic acting force of the second elastic piece, the second clamping part approaches to the transmission seat, and further the second clamping part is buckled with the first clamping part;

when the curtain wall window fan is normally used for opening the window fan, the handle is operated to rotate 90 degrees clockwise, the handle can drive the transmission mechanism to enable the transmission seat to horizontally move along the reverse direction of the fan notch, at the moment, the second clamping part is buckled with the first clamping part to be in a buckled state, the second clamping part is relatively fixed, the buckling enables the latch block to be kept in place, the second elastic piece is stretched, and at the moment, the buckling of the locking piece 600 and the latch block is in a failure position, so that the function of opening the window fan is achieved.

According to the utility model, under the condition that the window sashes are unattended and opened, the window sashes can be locked after being closed under the action of certain wind pressure. The utility model can be opened or closed and locked by the handle operation when the window sash is normally used.

As a further improvement of the technical scheme, a first guide inclined plane is arranged on one side, close to the lock seat, of the latch block, and the locking piece slides into locking with the latch block along the first guide inclined plane. When the locking piece is crashed in, the guiding function is generated, so that the locking piece and the latch block are conveniently locked.

As a further improvement of the technical scheme, the lock seat is provided with a locking step which is abutted with the locking piece.

As a further improvement of the above technical solution, the driving member drives the transmission seat to slide along the first direction, so that the locking step is locked with the locking member, that is, the locking window sash is locked in normal use.

As a further improvement of the technical scheme, the transmission seat is provided with the sliding groove, the first elastic piece is arranged in the sliding groove, the latch block is slidably arranged in the sliding groove, the first elastic piece is convenient to install, the structure is more compact, and meanwhile stable sliding of the latch block is facilitated.

As a further improvement of the technical scheme, the transmission seat is provided with a sliding block, the sliding block and the latch block are respectively arranged on two sides of the transmission seat, a fixing piece is arranged between the sliding block and the latch block, and one end of the first elastic piece is connected with the fixing piece. The slider is convenient for install mounting and bump the locking piece, and the slider also can improve gliding stability simultaneously.

As a further improvement of the technical scheme, in the first clamping part and the second clamping part, one of the first clamping part and the second clamping part is a clamping boss, the other is an inclined tongue, and the inclined tongue is provided with an inclined leading-in surface, so that the clamping boss is convenient to squeeze, and the clamping boss is locked with the inclined tongue.

As a further improvement of the technical scheme, the second clamping part is the inclined tongue, the base is provided with a mounting block, the mounting block is provided with a movable groove, and the inclined tongue is movably arranged in the movable groove and can extend out from the notch of the movable groove. The installation block is convenient for installing the inclined tongue.

As the further improvement of above-mentioned technical scheme, the movable groove runs through the installation piece, the notch lid of one of them side of movable groove is provided with the apron, the both ends of second elastic component respectively with apron with the latch joint, apron be convenient for install latch and second elastic component, play the effect of protection second elastic component simultaneously, whole structural connection is more firm, and it is more convenient to install.

The utility model also provides a window sash structure, which comprises the automatic locking structure, a window sash and a window frame, wherein the transmission seat is slidably arranged on the window sash, and the base is arranged on the window frame. In the window sash structure, when the unmanned window sash is exposed to large wind pressure in an unattended opening state, the window sash can be automatically locked on the window frame.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic view of an explosion structure of an embodiment of an automatic locking structure according to the present utility model;

FIG. 2 is a schematic view of an embodiment of an automatic locking structure according to the present utility model;

FIG. 3 is a front view of an embodiment of an automatic locking mechanism according to the present utility model;

FIG. 4 is a bottom view of an embodiment of an automatic locking mechanism according to the present utility model;

FIG. 5 is a top view of an embodiment of an automatic locking mechanism according to the present utility model;

FIG. 6 is a rear view of one embodiment of an automatic locking mechanism provided by the present utility model;

FIG. 7 is a schematic view showing the start of sliding of a fastener during locking of an automatic lock according to an embodiment of the present utility model, wherein four arrows indicate the forward direction, the backward direction, the left direction and the right direction, respectively;

FIG. 8 is a schematic view of an embodiment of an automatic locking mechanism according to the present utility model, wherein four arrows indicate the forward direction, the backward direction, the left direction and the right direction, respectively;

FIG. 9 is a schematic diagram of the locking mechanism for automatic locking according to an embodiment of the present utility model, wherein four arrows respectively indicate the forward direction, the backward direction, the left direction and the right direction;

FIG. 10 is a schematic view of an embodiment of an automatic locking mechanism according to the present utility model, wherein four arrows indicate the forward direction, backward direction, upward direction and downward direction, respectively;

FIG. 11 is a schematic view of an embodiment of an automatic locking mechanism according to the present utility model, wherein four arrows indicate the forward direction, the backward direction, the left direction and the right direction, respectively;

FIG. 12 is a schematic view of an embodiment of an automatic locking mechanism according to the present utility model when the operation is opened, wherein four arrows respectively indicate the forward direction, the backward direction, the upward direction and the downward direction;

FIG. 13 is a schematic view of an embodiment of an automatic locking mechanism according to the present utility model when the operation is opened, wherein four arrows respectively indicate the forward direction, the backward direction, the left direction and the right direction;

FIG. 14 is a schematic view of a latch block according to an embodiment of the present utility model;

FIG. 15 is a schematic view of an embodiment of an automatic locking structure according to the present utility model;

FIG. 16 is a schematic view of an embodiment of an automatic locking mechanism according to the present utility model;

fig. 17 is an installation schematic diagram of an embodiment of an automatic locking structure provided by the present utility model.

Reference numerals:

the transmission seat 100, the sliding groove 110, the sliding block 120, the flat pad 130, the connecting hole 131, the lock seat 200, the locking step 220, the bevel 201, the latch block 300, the clamping boss 310, the first guiding inclined plane 301, the first elastic member 400, the base 500, the inclined tongue 510, the second elastic member 520, the mounting hole 530, the mounting block 540, the movable groove 541, the cover plate 550 and the locking member 600.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, if there is a word description such as "a plurality" or the like, the meaning of a plurality is one or more, and the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In order to solve the technical problem that the window sashes can not be automatically locked under the action of wind force in the unattended opening state of the window sashes, the automatic locking hardware device for the curtain wall window is designed, and the window sashes can be locked after being closed under the action of certain wind pressure in the unattended opening state of the window sashes. When the window sashes are normally used, the locking can be opened or closed through the handle operation, the system does not need to be additionally provided with locking points, the design strength of the locking points is higher than that of the standard design value, meanwhile, the structural strength is improved, the installation is convenient, and the safety accidents that the window sashes are damaged and fall down due to unattended opening state in windy days and typhoon weather are avoided. Referring to fig. 1 to 17, an automatic locking structure and a window sash structure according to the present utility model are described in the following embodiments, and it should be noted that, in the embodiments of the present utility model, the six directions of left, right, front, rear, up, down are all in reference to fig. 10 to 13, other drawings correspond to the above, and the first direction mentioned in the present embodiment is the left, right direction, and in other embodiments, the present utility model is not limited to the above:

in this embodiment, referring to the coordinates in fig. 10 to 13, the handle is rotated counterclockwise by ninety degrees, the transmission seat 100 moves rightward relative to the base 500, the handle is rotated clockwise by ninety degrees, and the handle drives the transmission seat 100 to move leftward relative to the base 500. It will be appreciated, of course, that in some other embodiments, turning the handle knob ninety degrees in a clockwise direction, the transmission seat 100 moves rightward relative to the base 500, and turning the handle knob ninety degrees in a clockwise direction, the handle will drive the transmission seat 100 to move leftward relative to the base 500. Rivets are riveted at two ends of the transmission seat 100 for transmission fit, and the transmission seat 100 can be installed and fixed on the window sashes through rivets, screws and the like. The base 500 is mounted and snapped onto the sash profile, see in particular fig. 16 and 17.

The transmission seat 100 is provided with a lock seat 200 and a latch block 300 at intervals along the left-right direction, the lock seat 200 is fixed on the transmission seat 100, the latch block 300 is slidably mounted on the transmission seat 100, the latch block 300 is connected with a first elastic piece 400, the first elastic piece 400 is used for providing elastic tension force for enabling the latch block 300 to move towards the lock seat 200, a locking channel is formed between the lock seat 200 and the latch block 300, and the latch block 300 is provided with a first clamping part. The lock seat 200 is provided with two mounting holes, the transmission seat 100 is correspondingly provided with two mounting holes, rivets sequentially penetrate through the two mounting holes to fix the lock seat 200 on the transmission seat 100, and one side, close to the lock block 300, of the lock seat 200 is provided with a bevel 201.

The base 500 is provided with a locking member 600, and the driving unit drives the driving seat 100 to slide along the first direction so that the locking step 220 is locked with the locking member 600. The driving part herein refers to a mechanism for driving the transmission holder 100 to move rightward, such as a transmission handle and a transmission structure in the present embodiment. I.e., from the front side of lock base 200 to the rear side of lock base 200. The locking member 600 is an eccentric locking pin, and the eccentric locking pin can realize eccentric adjustment, so that the air tightness of the window sash is ensured. The eccentric locking pin is fixed on the base 500 in a matched manner with the half pad. The base 500 may be adapted to a slotless window type.

The side of the latch block 300 away from the lock base 200 is provided with a first clamping portion, which in this embodiment is a clamping boss 310. The side of the latch block 300, which is close to the lock base 200, is provided with a first guiding inclined plane 301, and the locking member 600 slides into locking with the latch block 300 along the first guiding inclined plane 301.

The base 500 is provided with a clamping assembly, the clamping assembly comprises a second elastic member 520 and a second clamping portion arranged on the sliding direction of the lock catch 300, the second elastic member 520 provides elasticity for enabling the second clamping portion to be clamped with the first clamping portion, and the lock catch 300 is far away from the lock seat 200 in the process that the transmission seat 100 moves along the first direction relative to the base 500. In this embodiment, the second clamping portion is a latch 510, and in other embodiments, the second clamping portion is a clamping boss 310, and the first clamping portion is a latch 510.

Referring to fig. 7 to 9, when the window sash of the curtain wall is left unattended in an open state, the window sash is closed after receiving a certain wind pressure, the locking piece 600 is collided along the first guiding inclined plane 301 of the locking piece 300 in the closing process, the locking piece 300 is far away from the lock seat 200 in the introducing process, the first elastic piece 400 is stretched, when the locking piece 600 is not abutted against the first guiding inclined plane 301, the transmission seat 100 slides and resets to an initial state under the action of the first elastic piece 400, the locking piece 300 and the locking piece 600 form a buckling, and an automatic locking function is achieved, see fig. 9.

Referring to fig. 10 and 11, when the curtain wall window sash is normally used to lock the window sash, by rotating the handle of the handle to rotate ninety degrees in the counterclockwise direction, the handle will drive the transmission mechanism to make the transmission seat 100 move horizontally along the window opening, that is, the transmission seat 100 moves rightward relative to the base 500, the lock seat 200 correspondingly moves to lock the lock seat 200 and the locking member 600, so that the window sash always maintains the locking state, meanwhile, the first clamping portion correspondingly moves and presses the second clamping portion, and under the elastic force of the second elastic member 520, the second clamping portion approaches to the transmission seat 100, so that the second clamping portion is buckled with the first clamping portion;

referring to fig. 12 and 13, when the window sash of the curtain wall is normally used for opening, the handle is operated to rotate 90 ° clockwise, and the handle drives the transmission mechanism to horizontally move the transmission seat 100 along the opposite direction of the window sash notch, at this time, the second clamping part and the first clamping part are buckled in a buckled state, because the second clamping part is relatively fixed, the latch block 300 is kept in place by buckling, the second elastic member 520 is stretched, at this time, the buckling of the locking member 600 and the latch block 300 is in a failure position, and the function of opening the window sash is achieved.

More specifically, referring to fig. 7 to 9, in the unattended open state of the window sash, when the window sash is closed to achieve automatic locking after receiving a certain wind pressure, the locking member 600 slides along the first guiding inclined plane 301 to be locked with the latch block 300, wherein fig. 9 illustrates that the locking member 600 abuts against the rear side of the latch block 300 to form a locking point, and fig. 7 and 8 illustrate the introduction process.

Meanwhile, a first elastic piece 400 is arranged between the latch block 300 and the transmission seat 100, the first elastic piece 400 provides elastic tension force for enabling the latch block 300 to move towards the lock seat 200, the first elastic piece 400 is a tension spring, when the locking piece 600 is in an unattended automatic locking state, the latch block 300 is extruded to be away from the lock seat 200 when the locking piece 600 is in an in-process along the first guide inclined plane 301, meanwhile, the first elastic piece 400 is stretched, and when the locking piece 600 is in a locking position with the latch block 300, the latch block 300 returns to the original position under the elastic action force of the first elastic piece 400, so that the latch block 300 and the locking piece 600 form buckling, and the automatic locking function is achieved.

Wherein, the first guiding inclined plane 301 generates guiding action when the locking member 600 is crashed in, so that the locking member 600 is locked with the latch block 300 conveniently. The second guide slope and the first guide slope 301 form a locking channel to facilitate the introduction of the locking member 600.

The second clamping portion is the inclined tongue 510, the base 500 is provided with the installation piece 540, the installation piece 540 is provided with the movable groove 541, the movable groove 541 runs through the installation piece 540, the inclined tongue 510 activity sets up in the movable groove 541 and can stretch out from the last notch of movable groove 541, the installation piece 540 is convenient for install inclined tongue 510 and second elastic component 520, the second elastic component 520 is the pressure spring. The apron 550 lid is located the downside notch of movable groove 541, the both ends of second elastic component 520 respectively with apron 550 and latch 510 butt, apron 550 is convenient for install latch 510 and second elastic component 520, the effect base 500 that plays protection second elastic component 520 simultaneously is provided with mounting hole 530, apron 550 and installation piece 540 are installed to mounting hole 530, apron 550 and installation piece 540 set up respectively in the both sides of base 500 and joint each other or threaded connection, play simultaneously and fix the effect at base 500 with apron 550 and installation piece 540 and latch 510, whole structural connection is more firm, the installation is more convenient. The movable groove 541 is provided with a limiting portion, and the inclined tongue 510 abuts against the limiting portion under the elastic action of the second elastic member 520, so as to perform a limiting function. In some embodiments, the movable slot 541 may be directly disposed in the base 500, and the mounting block 540 may not be separately disposed, or the cover plate 550 may not be disposed, where the mounting block 540 is fastened to the base 500 by a screw or a fastening structure.

Further, the locking step 220 is provided on the front side of the lock base 200, and the locking step 220 is locked with the locking member 600, and in other embodiments, the front side edge of the lock base 200 can be directly engaged with the locking member 600. The lock base 200 is provided with a bevel 201 on one side close to the lock catch 300, and the bevel 201 plays a guiding role, so that the locking piece 600 is locked with the lock base 200 conveniently. During the locking process of the locking member 600 and the locking step 220, the bezel 201 slides into the locking position relative to the locking member 600 to achieve locking.

Further, the transmission seat 100 is provided with the sliding groove 110, the first elastic member 400 is disposed in the sliding groove 110, and the latch block 300 is slidably disposed in the sliding groove 110, so that the first elastic member 400 is convenient to install, the structure is more compact, and meanwhile stable sliding of the latch block 300 is facilitated. The sliding groove 110 may be divided into a wider section and a narrower section, and the latch block 300 slides on the wider section, and the first elastic member 400 is installed on the narrower section.

Further, the transmission seat 100 is provided with a sliding block 120, the sliding block 120 and the latch block 300 are respectively disposed at two sides of the transmission seat 100, a fixing member is disposed between the sliding block 120 and the latch block 300, one end of the first elastic member 400 is connected with the fixing member, and the sliding block 120 is slidably disposed in the sliding groove 110. The slider 120 facilitates the installation of the fixing member and the latch block 300, and the slider 120 can also improve the sliding stability.

Further, the fixing member is a flat pad 130, the flat pad 130 is provided with a connecting hole 131 extending into the sliding groove 110, the first elastic member 400 is connected with the connecting hole 131, one end of the first elastic member 400 is hung on the connecting hole 131, the other end of the first elastic member is fixed on a rivet, and the rivet is a rivet for fixing the lock seat 200, so that the structure is more compact, and the installation is more convenient. During installation, rivets sequentially penetrate through the latch block 300, the fixing piece and the sliding block 120 to rivet, so that the first elastic piece 400 is fixed, and meanwhile, the latch block 300 is installed.

The utility model also provides an embodiment of a window sash structure, comprising an automatic locking structure, a window sash and a window frame according to any one of the above, wherein the transmission seat 100 is slidably mounted on the window sash, the transmission seat 100 is connected with the handle of the handle through the transmission structure, and the base 500 is mounted on the window frame. In the window sash structure, when the unmanned window sash is exposed to large wind pressure in an unattended opening state, the window sash can be automatically locked on the window frame.

While the preferred embodiments of the present utility model have been illustrated and described, the present utility model is not limited to the examples, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. An automatic locking mechanism, comprising:

the transmission seat (100) is provided with a lock seat (200) and a latch block (300) at intervals along a first direction, the lock seat (200) is fixed on the transmission seat (100), the latch block (300) is slidably mounted on the transmission seat (100), the latch block (300) is connected with a first elastic piece (400), the first elastic piece (400) is used for providing elastic tension force for enabling the latch block (300) to move towards the lock seat (200), a locking channel is formed between the lock seat (200) and the latch block (300), and the latch block (300) is provided with a first clamping part;

the base (500) is provided with a clamping assembly, the clamping assembly comprises a second elastic piece (520) and a second clamping part arranged in the sliding direction of the latch block (300), the second elastic piece (520) provides elastic force for enabling the second clamping part to be clamped with the first clamping part, and the latch block (300) is far away from the lock seat (200) in the process that the transmission seat (100) moves along the first direction relative to the base (500);

the base (500) is provided with a locking piece (600) which is clamped in from the locking channel and locked with one of the lock seat (200) or the bump lock block (300).

2. An automatic locking mechanism according to claim 1, wherein:

the latch block (300) is provided with a first guide inclined plane (301) at one side close to the lock seat (200), and the locking piece (600) slides into locking with the latch block (300) along the first guide inclined plane (301).

3. An automatic locking mechanism according to claim 1, wherein:

the lock seat (200) is provided with a locking step (220) which is abutted with the locking piece (600).

4. An automatic locking mechanism according to claim 3, wherein:

the driving part drives the transmission seat (100) to slide along the first direction so that the locking step (220) is locked with the locking piece (600).

5. An automatic locking mechanism according to claim 1, wherein:

the transmission seat (100) is provided with a sliding groove (110), the first elastic piece (400) is arranged in the sliding groove (110), and the latch block (300) is arranged in the sliding groove (110) in a sliding mode.

6. An automatic locking mechanism according to claim 5, wherein:

the transmission seat (100) is provided with a sliding block (120), the sliding block (120) and the latch block (300) are respectively arranged on two sides of the transmission seat (100), a fixing piece is arranged between the sliding block (120) and the latch block (300), and one end of the first elastic piece (400) is connected with the fixing piece.

7. An automatic locking mechanism according to claim 1, wherein:

one of the first clamping part and the second clamping part is a clamping boss (310), and the other is a bevel tongue (510).

8. An automatic locking mechanism according to claim 7, wherein:

the second clamping part is the inclined tongue (510), the base (500) is provided with a mounting block (540), the mounting block (540) is provided with a movable groove (541), and the inclined tongue (510) is movably arranged in the movable groove (541) and can extend out from a notch of the movable groove (541).

9. An automatic locking mechanism according to claim 8, wherein:

the movable groove (541) penetrates through the mounting block (540), a cover plate (550) is arranged on a notch cover on one side of the movable groove (541), and two ends of the second elastic piece (520) are respectively abutted to the cover plate (550) and the inclined tongue (510).

10. A window sash structure, characterized in that it comprises an automatic locking structure, a window sash, a frame according to any one of claims 1 to 9, said transmission seat (100) being slidingly mounted to said window sash, said base (500) being mounted to said frame.

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