CN210714223U

CN210714223U - Hinge structure

Info

Publication number: CN210714223U
Application number: CN201920349312.1U
Authority: CN
Inventors: 傅海; 邓喜强
Original assignee: Page International Hong Kong Co ltd
Current assignee: Page International Hong Kong Co ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-06-09
Anticipated expiration: 2029-03-19

Abstract

The utility model is suitable for a door and window hardware fitting technical field discloses a hinge structure, including mounting base and the slider of sliding connection in mounting base, mounting base is connected with many link mechanism, and many link mechanism includes slidable connecting rod and rotatable gear spare, and many link mechanism still includes trailing arm and oblique pull rod, is provided with the sliding connection structure between connecting rod and the gear spare; the trailing arm rotates respectively to be connected in gear spare and oblique pull rod, and oblique pull rod is connected in trailing arm and mounting base, and the slider is provided with the drive chute, and oblique pull rod is connected with or integrated into one piece has the adapting unit that can block in the drive chute, connecting rod fixedly connected with unlocking device. The utility model provides a hinge structure, through drive slider's forward and backward slip, can realize door and window's unblock and open the window and close window and locking, simple structure, ingenious compactness, the required space of installation is little, and the suitability is good and with low costs. The handle connected with the hinge structure can be arranged on the indoor side, so that the operation is more convenient and the safety is better.

Description

Hinge structure

Technical Field

The utility model belongs to the technical field of door and window hardware fitting, especially, relate to a hinge structure.

Background

The existing window opener and the hinge are two independent assemblies, so that the installation space requirement of hardware accessories is high, the installation can be carried out only by specific sectional materials, the application range is small, the existing window opener only has the window opening and closing function and does not have the window locking function, the locking function can be realized only by additionally arranging an independent locking device, and the cost of the hardware is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem at least, provide a hinge structure, its suitability is good and with low costs.

The technical scheme of the utility model is that: a hinge structure comprises a mounting base and a sliding block connected to the mounting base in a sliding mode, wherein the mounting base is connected with a multi-link mechanism, the multi-link mechanism comprises a slidable connecting rod and a rotatable gear piece, the multi-link mechanism further comprises a supporting arm and a diagonal draw bar, and a sliding connection structure is arranged between the connecting rod and the gear piece; the bracket is respectively connected with the gear piece and the inclined pull rod in a rotating mode, one end of the inclined pull rod is connected with the bracket in a rotating mode, the other end of the inclined pull rod is connected with the mounting base in a rotating mode, the sliding block is provided with a driving chute, the inclined pull rod is connected with or integrally formed with a connecting component which can be clamped in the driving chute, and the rear end of the connecting rod is fixedly connected with an unlocking device which can unlock in a sliding mode and lock a window sash.

Specifically, the gear piece is provided with a first elongated hole, and the front end of the connecting rod is connected with the gear piece through a first riveting shaft penetrating through the first elongated hole.

Specifically, the sliding block is rotatably connected with the middle part of the connecting rod through a second riveting shaft.

Specifically, the middle part of the diagonal draw bar is riveted with a third riveting shaft, and the third riveting shaft can extend into the driving inclined groove.

Specifically, the bracket arm is rotatably connected with the gear piece and the front end of the diagonal draw bar through a fourth riveting shaft and a fifth riveting shaft respectively.

Specifically, the rear end of the diagonal draw bar is rotatably connected with the mounting base through a sixth riveting shaft.

Specifically, a second elongated hole is provided at a tip end of the slider corresponding to the drive chute.

Specifically, a push rod linearly driven by a handle or an electric device is fixedly connected to or integrally formed with the slide block.

Specifically, the mounting base is provided with a rack structure, and the tooth form on the gear piece is meshed with the rack structure.

Specifically, the unlocking device includes:

a first lock bar fixedly connected with the rear end of the connecting rod,

A second lock bar connected with the window sash in a sliding way,

A first locking point fixedly connected with the second locking rod,

A second locking point fixedly connected with the window frame,

A first locking block fixedly connected with the first locking rod and used for matching with the first locking point and driving the first locking point and the second locking rod to slide linearly, and

and the second locking block is fixedly connected to the second locking rod and can be clamped at the second locking point.

Specifically, the push rod is connected with the handle, the handle include the base, sliding connection in the driving lever of base and rotate connect in the handle of base, be provided with in the base by handle drive just is used for driving the gliding ratchet subassembly of driving lever, ratchet subassembly with be provided with the switching-over structure between the driving lever, hold the handle or the base is provided with and is used for controlling the ratchet subassembly is in order to switch the switching subassembly of driving lever slip direction.

The utility model provides a hinge structure only needs to lean on a handle, through the forward and the reverse slip of drive slider promptly, can realize door and window's unblock and open window and close window and locking, simple structure, ingenious compactness, and the required space of installation is little, and the suitability is good and with low costs.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective assembly view of a switching key in a handle connected by a hinge structure according to an embodiment of the present invention at a first position;

fig. 2 is a three-dimensional exploded schematic view of a handle connected by a hinge structure according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a first ratchet component in a handle connected by a hinge structure according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a second ratchet component in a handle connected by a hinge structure according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a toggle column in a handle connected by a hinge structure according to an embodiment of the present invention;

fig. 6 is a schematic perspective assembly view of a switching key in a handle connected by a hinge structure according to an embodiment of the present invention at a second position;

fig. 7 is a schematic perspective view illustrating the handle and the upper cover of the handle connected by the hinge structure according to the embodiment of the present invention when the handle and the upper cover are removed;

fig. 8 is a schematic perspective assembly view of a shift lever in a handle connected by a hinge structure sliding along a first direction according to an embodiment of the present invention;

fig. 9 is a schematic perspective assembly view of a shift lever in a handle connected by a hinge structure sliding along a first direction according to an embodiment of the present invention;

fig. 10 is a schematic perspective assembly view of a shift lever in a handle connected by a hinge structure sliding along a first direction according to an embodiment of the present invention;

fig. 11 is a schematic perspective assembly view of a shift lever in a handle connected by a hinge structure sliding along a first direction according to an embodiment of the present invention;

fig. 12 is a schematic view illustrating an installation of a hinge structure according to an embodiment of the present invention;

fig. 13 is a schematic view illustrating an installation of a hinge structure according to an embodiment of the present invention;

fig. 14 is an exploded perspective view of a hinge structure according to an embodiment of the present invention;

fig. 15 is a schematic perspective view of a slider in a hinge structure according to an embodiment of the present invention;

fig. 16 is a perspective view of a gear member in a hinge structure according to an embodiment of the present invention;

fig. 17 is a schematic plan view illustrating an unlocking process of a hinge structure according to an embodiment of the present invention;

fig. 18 is a schematic plan view illustrating an unlocking process of a hinge structure according to an embodiment of the present invention;

fig. 19 is a schematic plan view illustrating an unlocking process of a hinge structure according to an embodiment of the present invention;

fig. 20 is a schematic plan view illustrating an unlocking process of a hinge structure according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.

As shown in fig. 1 to 20, an embodiment of the present invention provides a hinge structure, which includes a mounting base 100 and a slider 200 slidably connected to the mounting base 100, wherein the slider 200 can be driven by a handle 10 or a motor to slide linearly. The mounting base 100 is connected with a multi-link mechanism, the multi-link mechanism includes a slidable link 310 and a rotatable gear 320, the link 310 can be slidably connected in a linear sliding groove of a profile or a linear sliding groove of the mounting base 100, and the mounting base 100 can be fixedly connected to a profile (e.g., a euro profile) of the window frame 920. The multi-link mechanism further comprises a supporting arm 330 and a diagonal draw bar 340, and a sliding connection structure is arranged between the connecting rod 310 and the gear piece 320; the supporting arm 330 is respectively connected to the gear piece 320 and the inclined pull rod 340 in a rotating manner, one end of the inclined pull rod 340 is connected to the supporting arm 330 in a rotating manner, the other end of the inclined pull rod 340 is connected to the mounting base 100 in a rotating manner, the sliding block 200 is provided with the driving inclined groove 210, the inclined pull rod 340 is connected with or integrally formed with a connecting component (a third riveting shaft 413) which can be clamped to the driving inclined groove 210, the rear end of the connecting rod 310 is fixedly connected with an unlocking device which can unlock and lock a sash in a sliding manner, and the supporting arm 330 can be fixedly connected to the bottom of the door window 910, so that in an initial state (the door window 910 is locked on a window frame), the sliding block 200 is driven to slide to an unlocking position in a first direction, the connecting rod 310 can be driven to slide in the first direction, unlocking can be realized; in addition, in the unlocking state (the door window 910 is rotated and opened), the sliding block 200 is driven to slide to the initial position in the second direction, so that the connecting rod 310 can be driven to slide in the second direction, the door window 910 can rotate reversely to be closed on the window frame through the multi-connecting-rod mechanism, the door window 910 can be locked through the unlocking device, the safety and the reliability are good, only one handle 10 needs to slide in the forward direction (the first direction A) and the reverse direction (the second direction) through the sliding block 200, the unlocking, the opening, the closing and the locking of the door window 910 can be realized, the structure is ingenious and compact, the space required by installation is small, and the applicability is good.

Specifically, the gear member 320 is provided with a first elongated hole 321, the front end of the connecting rod 310 is connected to the gear member 320 through a first rivet shaft 411, and the first rivet shaft 411 passes through the first elongated hole 321. The gear member 320 is connected with a limit shaft. The limiting shaft can rotate along the arc-shaped groove of the mounting base 100, so that the gear piece 320 rotates relative to the mounting base 100. During the first stroke of the sliding block 200 sliding along the first direction a, the limiting shaft slides from the front end to the rear end of the first elongated hole 321, the unlocking device unlocks, the sliding block 200 continues to slide along the first direction for the second stroke, and the multi-link mechanism operates, so that the supporting arm 330 rotates outwards to open the window sash. The gear member 320 is connected with a connecting shaft 329, the mounting base 100 is provided with an arc-shaped slot 109, and a first rivet shaft 411 connected to the gear member 320 can extend into the arc-shaped slot 109.

Specifically, the sliding block 200 is rotatably connected to the middle of the connecting rod 310 through a second rivet shaft 412, so as to realize linkage.

Specifically, a third rivet shaft 413 is riveted to the middle of the diagonal draw bar 340, and the third rivet shaft 413 may extend into the driving chute 210. The front end of the driving chute 210 is open, and the rear end extends obliquely toward the first direction. The drive chute 210 has first and second drive ramps that face each other.

Specifically, the bracket arm 330 is rotatably connected to the front ends of the gear 320 and the diagonal member 340 through a fourth rivet shaft 414 and a fifth rivet shaft 415, respectively. One end of the gear member 320 is provided with a gear structure.

Specifically, the rear end of the diagonal member 340 is rotatably connected to the mounting base 100 through the sixth rivet shaft 416, which is highly reliable. A rubber plug 170 may also be attached to the end of the mounting base 100.

Specifically, the end of the slider 200 corresponding to the driving chute 210 is provided with a second long hole 220, in an initial state, the second long hole 220 and the first long hole 321 are arranged in the same direction, and the second long hole 220 and the first long hole 321 are arranged in the same direction as the sliding direction of the connecting rod 310, so that the slider 200 can linearly slide in a first section of stroke and the supporting arm 330 (multi-link mechanism) does not rotate in the initial state, the window sash can be unlocked first, then the slider 200 continues to slide, in a second section of stroke, the supporting arm 330 (multi-link mechanism) rotates, the window sash can be rotated and opened, and when the window is closed, the operation is opposite, namely, the window is closed first and then slides to be locked.

Specifically, a push rod 280 driven linearly by a handle or an electric device is fixedly connected to or integrally formed on the slider 200. The slider 200 may be provided with a U-shaped positioning slot 230, the push rod 280 may be fixedly inserted into the U-shaped positioning slot 230, and the push rod 280 passes through the mounting base 100, and the push rod 280 may drive the slider 200 to slide back and forth, slide forward (a first direction) to unlock and open the window, and slide backward (a second direction to close and lock the window). Specifically, the push rod 280 is connected to a shift lever (fork) 2 of the handle 10.

Specifically, the mounting base 100 is provided with a rack structure 160, the rack structure 160 may be a plurality of holes arranged at intervals, and the tooth 326 on the gear member 320 is engaged with the rack structure 160, so that the gear member 320 can reliably rotate.

Specifically, the unlocking device includes: the locking device comprises a first locking rod 510 fixedly connected to the rear end of the connecting rod 310, a second locking rod 520 slidably connected to the window sash 910, a first locking point 530 fixedly connected to the second locking rod 520, a second locking point 540 fixedly connected to the window frame 920, a first locking block 550 fixedly connected to the first locking rod 510 and used for being matched with the first locking point 530 and driving the first locking point 530 and the second locking rod 520 to slide linearly, and a second locking block 560 fixedly connected to the second locking rod 520 and clamped to the second locking point 540. The first locking piece 550 has a locking groove facing the outside of the window, and the second locking piece 560 has a locking strip which can be linearly locked to the second locking point 540, so that the window cannot be rotatably opened in the locked state.

The embodiment of the utility model provides a hinge structure, but its standard european standard C cell type direct mount, and can realize the locking function of switch window and window with same handle, slide through drive slider's forward (first direction) and reverse (second direction) promptly, can realize door and window's unblock and open window and close window and locking, the ingenious compactness of structure, the required space of installation is little, and the suitability is good.

In this embodiment, take handle 10 drive slider 200 as an example, handle 10 in this embodiment includes base 1, sliding connection in driving lever (shift fork) 2 of base 1 and rotate connect in handle (handle) 3 of base 1, be provided with in the base 1 by handle 3 drive just is used for driving the gliding ratchet subassembly of driving lever 2, ratchet subassembly with be provided with the switching-over structure between driving lever 2, handle 3 or base 1 is provided with and is used for controlling the ratchet subassembly is in order to switch the switching subassembly of 2 slip directions of driving lever. The user holds handle 3 through reciprocating rotation, through ratchet assembly's partial ratchet structure, can drive driving lever 2 in succession along the longer stroke of first direction (forward) slip, through switching assembly's switching, the user holds handle 3 through reciprocating rotation, another part ratchet assembly and switching-over structure participate in work, can drive driving lever 2 in succession along the second direction (reverse, be reverse in the first direction) longer stroke of slip, thus, need not to set up the great gear of size, do benefit to the smallness of product structure, and driving lever 2's slip stroke can be guaranteed, under the prerequisite that satisfies the service property, the volume of product has been reduced, can be suitable for application scenes such as with narrow frame door and window, be convenient for user's use. Moreover, the handle 10 can be arranged at the indoor side, so that the operation is more convenient and the safety is better.

In particular, the ratchet assembly comprises a first ratchet member 41 and a second ratchet member 42, which first and

second ratchet members

41, 42 may be coaxially arranged. The shift lever 2 is provided with or connected with a first rack 21 and a second rack 22, and the first rack 21 and the second rack 22 can be arranged in parallel up and down. The first ratchet member 41 is engaged with the first rack 21; the reversing structure is a reversing gear 43, and the second ratchet component 42 is meshed with the second rack 22 through the reversing gear 43, namely, the transmission direction is changed by adding the reversing gear 43. The switching assembly includes a first pawl 51 engageable with the first ratchet member 41 to allow the handle shaft 3 to drive the first ratchet member 41 and a second pawl 52 engageable with the second ratchet member 42 to allow the handle shaft 3 to drive the second ratchet member 42, and the switching assembly includes a switch 61 for switching and controlling the engagement of the first pawl 51 with the first ratchet member 41 and the engagement of the second pawl 52 with the second ratchet member 42, wherein the switch 61 may be rotatable. The switch 61 is used to switch the first pawl 51 to be clamped in the first ratchet component 41 and the second pawl 52 to be disengaged from the second ratchet component 42, or to switch the first pawl 51 to be disengaged from the first ratchet component 41 and the second pawl 52 to be clamped in the second ratchet component 42.

Specifically, the first ratchet component 41 includes a first ratchet wheel 411 and a first gear 412, the first ratchet wheel 411 and the first gear 412 are fixedly connected or integrally formed, and the first ratchet wheel 411 and the first gear 412 rotate synchronously. The first gear 412 and the first ratchet wheel 411 are coaxially connected.

Specifically, the second ratchet component 42 includes a second ratchet 421 and a second gear 422, the second ratchet 421 and the second gear 422 are fixedly connected or integrally formed, and the second ratchet 421 and the second gear 422 rotate synchronously. The second gear 422 and the second ratchet 421 are coaxially connected, and the first ratchet 411 and the first gear 412, and the second ratchet 421 and the second gear 422 are coaxially arranged. In a specific application, the first ratchet wheel 411 and the first gear 412 may have the same or different tooth shapes and be integrally connected or fixedly connected, and the second ratchet wheel 421 and the second gear 422 may have the same or different tooth shapes and be integrally connected or fixedly connected. The reversing gear 43 is respectively meshed with the second rack 22 and the second gear 422; the switch assembly further includes a toggle post 62 fixedly connected to the switch key 61, and a first cam portion 631 and a second cam portion 632 disposed on the toggle post 62, wherein the first cam portion 631 is used for controlling the first pawl 51 to be engaged with or disengaged from the first ratchet 411, and the second cam portion 632 is used for controlling the second pawl 52 to be engaged with or disengaged from the second ratchet 421. The first ratchet wheel 411 and the second ratchet wheel 421 are arranged adjacently up and down.

Specifically, the first pawl 51 and the second pawl 52 are arranged in a vertically staggered manner, the first cam portion 631 and the second cam portion 632 are arranged in a vertically staggered manner and in a circumferentially staggered manner, when the switch 61 is rotated to the first position, the first cam portion 631 can release the restriction on the first pawl 51, the first pawl 51 can be clamped to the first ratchet wheel 411, and simultaneously, the second cam portion 632 abuts against the second pawl 52, so that the second pawl 52 is disengaged from the second ratchet wheel 421. When the switch 61 is turned to the second position, the second cam portion 632 releases the restriction of the second pawl 52, the second pawl 52 can be engaged with the second ratchet 421, and the first cam portion 631 abuts against the first pawl 51 to disengage the first pawl 51 from the first ratchet 411.

Specifically, one side of each of the first and

second pawls

51 and 52 is provided with an elastic member 71, and the elastic member 71 may be a spring. When the switch 61 is rotated to drive the toggle post 62, and the corresponding first cam portion 631 and the second cam portion 632 are released, the elastic member 71 can clamp the corresponding first pawl 51 and the second pawl 52 to the first ratchet wheel 411 and the second ratchet wheel 421.

Specifically, the root of the handle 3 is sleeved on the first ratchet member 41 and the second ratchet member 42. The handle 3 can drive the shift lever 2 to move towards the first direction or the second direction continuously in a mode of reciprocating rotation for a plurality of times.

Specifically, the root parts of the first pawl 51 and the second pawl 52 are rotatably connected to the mounting cavity of the handle 3, the toggle column 62, the first cam portion 631 and the second cam portion 632 are also located in the mounting cavity, and the switch 61 is disposed on the outer surface of the handle 3, so that the user can rotate the switch 61.

Specifically, base 1 includes upper cover 11 and bottom 12, upper cover 11 and bottom 12 involutes and forms the installation cavity, hold handle 3 with be provided with return elastic component 72 between base 1, return elastic component 72 can be the spring, and after the user rotated and held handle 3, return elastic component 72 can make handle 3 automatic reverse reset, and the user only need in succession to the same direction rotate hold handle 3 can, be convenient for user's operation.

Specifically, a handle cover 31 is disposed on the mounting cavity to facilitate assembly and maintenance of the product.

Specifically, the handle cover 31 is provided with a first positioning recess (corresponding to the first position 601) and a second positioning recess (corresponding to the second position 602), and the switch 61 is provided with a spring 64 and a steel ball 65 which can be abutted against the first positioning recess or the second positioning recess. The first positioning cavity and the second positioning cavity can be in a concave shape or a hole position shape. By providing the spring 64 and the steel ball 65, the switch key 61 can be held at the first position 601 or the second position 602 when no external force is applied, and reliability is excellent.

In this embodiment, the switch key 61 is rigidly connected to the shift post, as shown in fig. 1, 8 and 9, when the switch key 61 is shifted to the first position, the second cam portion 632 on the shift post abuts against the second pawl 52 to disengage the second pawl 52 from the second ratchet 421, the first cam portion 631 on the shift post disengages from the first pawl 51, the first pawl 51 is inserted into the teeth of the first ratchet 411 under the action of the pawl compression spring, when the handle is pulled clockwise, the first pawl 51 pushes the first ratchet 411 to rotate in the same direction, the first ratchet 411 and the shift lever are in gear-rack engagement, the first ratchet 411 pushes the shift lever to translate in the first direction (the direction indicated by the arrow in fig. 8), and during this process, the second rack 22 can drive the second ratchet member 42 to idle. When the handle 3 rotates counterclockwise under the action of the handle return spring, the first pawl 51 slides on the first ratchet wheel 411, the first ratchet wheel 411 stops rotating, the pulling rod stops translating, when the handle 3 rotates clockwise continuously, the pulling rod continues translating along the first direction, namely when the switching key 61 is pulled to the first position, the handle 3 rotates by a certain angle by clockwise pulling, after the handle 3 rotates counterclockwise and resets, the handle 3 rotates by a certain angle by clockwise pulling, and multiple cycles are performed, so that the pulling rod can be driven to translate along the first direction by a required stroke.

As shown in fig. 7, 10 and 11, when the switch 61 is pulled to the second position, the first cam portion 631 of the pull column abuts against the first pawl 51 to disengage the first pawl 51 from the first ratchet wheel 411, the second cam portion 632 of the pull column disengages from the second pawl 52, the second pawl 52 is inserted into the teeth of the second ratchet wheel 421 by the pawl compression spring, when the handle is pulled clockwise, the second pawl 52 pushes the second ratchet 421 to rotate clockwise, the second ratchet 421 is in gear engagement with the third gear, the second ratchet 421 pushes the reversing gear 43 (the third gear) to rotate counterclockwise, the reversing gear 43 (the third gear) is in gear engagement with the rack of the second rack 22 of the pull rod, the third gear pushes the pull rod to translate along the second direction (the direction indicated by the arrow in fig. 10), and in this process, the first rack 21 can drive the first ratchet member 41 to idle. When the handle rotates anticlockwise under the action of the handle return spring, the second pawl 52 slides on the second ratchet wheel 421, the second ratchet wheel 421 stops rotating, the pulling rod stops translating, when the handle rotates clockwise continuously, the pulling rod continues translating along the second direction, namely when the switching key 61 is pulled to the second position, the handle 3 is pulled clockwise to rotate for a certain angle, after the handle 3 rotates anticlockwise to reset, the handle 3 is pulled clockwise to rotate for a certain angle, and multiple cycles are performed, so that the pulling rod can be driven to translate for a required stroke along the first direction.

Of course, the handle 10 can take other configurations.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A hinge structure comprises a mounting base and a sliding block connected to the mounting base in a sliding manner, and is characterized in that the mounting base is connected with a multi-link mechanism, the multi-link mechanism comprises a slidable connecting rod and a rotatable gear piece, the multi-link mechanism further comprises a supporting arm and an inclined pull rod, and a sliding connection structure is arranged between the connecting rod and the gear piece; the bracket is respectively connected with the gear piece and the inclined pull rod in a rotating mode, one end of the inclined pull rod is connected with the bracket in a rotating mode, the other end of the inclined pull rod is connected with the mounting base in a rotating mode, the sliding block is provided with a driving chute, the inclined pull rod is connected with or integrally formed with a connecting component which can be clamped in the driving chute, and the rear end of the connecting rod is fixedly connected with an unlocking device which can unlock in a sliding mode and lock a window sash.

2. A hinge structure according to claim 1, wherein said gear member is provided with a first elongated hole, and the front end of said connecting rod is connected to said gear member by a first rivet shaft passing through said first elongated hole.

3. A hinge construction according to claim 1, wherein said slider is pivotally connected to a middle portion of said connecting rod by a second rivet shaft.

4. A hinge structure as claimed in claim 3, wherein a third rivet shaft is riveted to the middle of the diagonal member, and the third rivet shaft can extend into the driving chute.

5. The hinge structure according to claim 4, wherein the bracket is rotatably connected to the gear member and the front end of the diagonal member by a fourth rivet shaft and a fifth rivet shaft, respectively.

6. A hinge structure as claimed in claim 5, wherein the rear end of said diagonal member is rotatably connected to said mounting base by a sixth rivet shaft.

7. A hinge structure as claimed in claim 1 or 2, wherein a second elongated hole is provided at an end of said slider corresponding to said drive chute.

8. A hinge construction according to claim 1 or 2, wherein the slider is fixedly connected to or integrally formed with a push rod linearly driven by a lever handle or an electric actuator.

9. A hinge construction according to claim 1 or 2, wherein said mounting base is provided with a rack gear formation, and the tooth form on said gear member engages with said rack gear formation.

10. A hinge structure according to claim 1 or 2, wherein said unlocking means comprises:

a first lock bar fixedly connected with the rear end of the connecting rod,

A second lock bar connected with the window sash in a sliding way,

A first locking point fixedly connected with the second locking rod,

A second locking point fixedly connected with the window frame,

11. The hinge structure of claim 8, wherein the push rod is connected to a handle, the handle comprises a base, a shift rod slidably connected to the base, and a handle rotatably connected to the base, a ratchet assembly driven by the handle and configured to drive the shift rod to slide is disposed in the base, a reversing structure is disposed between the ratchet assembly and the shift rod, and the handle or the base is provided with a switching assembly configured to control the ratchet assembly to switch a sliding direction of the shift rod.