CN214996730U - Handle device and inward-opening inward-falling door and window system - Google Patents

Abstract

The utility model is suitable for a door and window hardware fitting technical field discloses a handle device and interior door and window system of falling of interior division of opening. The handle device comprises a handle, a handle seat, a transmission part and a transmission mechanism for driving the transmission part to move, wherein the handle is rotationally connected to the handle seat, and the transmission mechanism is connected to the handle seat and is in transmission connection with the handle and the transmission part; the handle is connected with a hanging buckle locking mechanism which can be hung and buckled on the handle seat to lock the handle and can be manually unlocked by a user. The inward opening inward reversing door and window system comprises an inward opening inward reversing window sash and the handle device. The utility model provides a handle device and interior door and window system of falling in interior, it can effectively prevent user's maloperation and unexpected opening etc. and the handle is prevented mistake effectually, and user experience is good.

Description

Handle device and inward-opening inward-falling door and window system

Technical Field

The utility model belongs to the technical field of door and window hardware fitting, especially, relate to a handle device and interior door and window system of falling of interior division of opening.

Background

The existing door and window handles in the market are not designed with errors or unreasonable in design, and the error prevention effect is not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem at least, provide a handle device and interior door and window system of falling of interior division, its handle is prevented mistake effectually, and user experience is good.

The technical scheme of the utility model is that: a handle device comprises a handle, a handle seat, a transmission part and a transmission mechanism for driving the transmission part to move, wherein the handle is rotatably connected to the handle seat, and the transmission mechanism is connected to the handle seat and is in transmission connection with the handle and the transmission part; the handle is connected with a hanging buckle locking mechanism which can be hung and buckled on the handle seat to lock the handle and can be manually unlocked by a user.

Specifically, the handle has three action states of tilting of the upper end, balancing of the two ends and tilting of the lower end, and the three action states respectively correspond to three window sash modes of inward falling, locking and horizontal opening of the window sash.

Specifically, the hanging buckle locking mechanism is provided with two groups and is positioned at the inner side of the handle and is respectively arranged at two sides of the rotating shaft.

Specifically, hang and detain locking mechanical system including rotate connect in the couple of handle with support in the elastic component of couple, the one end of couple be can hang detain in the end of hanging of handle seat, the other end is the unblock pole that can be pressed by the user.

Specifically, the both sides of handle seat are provided with the back-off flange, the back-off flange is close to one side of handle is provided with and is used for guiding the couple detain in the guiding surface of back-off flange.

Specifically, drive mechanism including connect in the handle and along with the synchronous pivoted driving gear of handle, the driving medium sliding connection in the handle seat, the back of driving medium is provided with the rack, the rack passes through the intermediate gear mesh in the driving gear.

Specifically, the intermediate gear comprises a first gear and a second gear which are coaxially and fixedly connected, the second gear is meshed with the driving gear, and the first gear is meshed with the rack.

Specifically, the driving gear is fan-shaped or semicircular.

Specifically, the handle seat has the mounting groove, the mounting groove is connected with the lid, drive mechanism set up in the mounting groove.

Specifically, the driving gears are arranged in two, the two driving gears are arranged coaxially and at intervals, the intermediate gears are arranged in two, the intermediate gears are arranged at intervals along the sliding direction of the rack and are all meshed with the rack, and the second gears in the two intermediate gears are all meshed with the driving gears.

Specifically, the shackle locking mechanism is disposed on an inner side of the handle.

Specifically, the handle includes rotation connecting portion, left side handle portion and right handle portion, rotate the connecting portion rotate connect in the handle seat, left side handle portion with right handle portion connect respectively in the both sides of rotation connecting portion, it is provided with two to hang and detain locking mechanical system, one of them hang detain locking mechanical system set up in left side handle portion towards in one side of handle seat, another hang detain locking mechanical system set up in right handle portion towards in one side of handle seat.

Specifically, the inboard of handle is provided with the movable groove that is used for the holding hang knot locking mechanical system, hang and be provided with reset spring between knot locking mechanical system and the handle, hang the rear end protrusion of knot locking mechanical system in the movable groove.

Specifically, the hanging buckle locking mechanism is provided with a first limiting surface which is hooked on or propped against the handle seat to limit the rotation of the handle; the hanging buckle locking mechanism is further provided with a second limiting surface used for limiting the rotation angle of the handle, and the second limiting surface and the first limiting surface are arranged in a vertically and front-back staggered mode.

Specifically, the front end of the hanging buckle locking mechanism is provided with a limiting arm and a limiting hook which is integrally connected with the limiting arm and protrudes out of the limiting arm, the first limiting surface is arranged on the limiting hook, and the second limiting surface is arranged on the limiting arm.

Specifically, drive mechanism include driven tooth and with driven tooth meshing's initiative tooth, driven tooth an organic whole set up in or connect in the driving medium, the initiative tooth connect in the handle.

Specifically, the handle seat is provided with a first positioning hole, and the driven gear is rotatably connected to the first positioning hole through a first positioning shaft;

the handle seat is provided with a second positioning hole, and the driving tooth is rotatably connected to the second positioning hole through a second positioning shaft;

one side of the driven tooth is provided with a spacing groove, and the driving tooth extends into the spacing groove.

Specifically, the second location axle with the handle junction is the polygon pivot, the second location axle is provided with cyclic annular spacing groove, cyclic annular spacing groove department is provided with the piece that resets.

Specifically, the handle seat comprises a seat body with a mounting cavity and a sealing cover which is connected to one side of the seat body and covers the mounting cavity, the seat body is provided with a riveting boss, the sealing cover is provided with a riveting hole matched with the riveting boss, and the sealing cover is provided with a second positioning hole for the polygonal shaft pin to pass through;

the top of the handle seat is arc-shaped, the rotary connecting part is provided with an arc groove which is in sliding fit with the handle seat, one side of the arc groove is provided with a mounting wall, and the mounting wall is provided with a polygonal hole matched with the polygonal shaft pin.

The utility model also provides an interior door and window system that falls of interior division, including interior division of casement and foretell handle device.

The utility model provides a handle device and interior door and window system of falling in interior, it can effectively prevent user's maloperation and unexpected opening etc. and the handle is prevented mistake effectually, and user experience is good.

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 exploded view of a handle device according to a first embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a lever handle device according to a first embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a lever handle device according to an embodiment of the present invention when one end is tilted;

fig. 4 is a schematic cross-sectional view of a lever handle device provided in a first embodiment of the present invention when two ends are balanced;

fig. 5 is a schematic cross-sectional view of a lever handle device according to an embodiment of the present invention when the other end is tilted;

fig. 6 is a schematic perspective view of a handle device provided in the second embodiment of the present invention;

fig. 7 is a schematic perspective exploded view of a handle device according to a second embodiment of the present invention;

fig. 8 is a schematic perspective exploded view of a handle device according to a second embodiment of the present invention;

fig. 9 is a schematic plan view of a handle assembly according to a second embodiment of the present invention in a balanced state with an upward force applied by the left handle shackle locking mechanism;

fig. 10 is a schematic plan view of a handle turning to the right in the handle device according to the second embodiment of the present invention;

fig. 11 is a schematic plan view of a handle assembly according to the second embodiment of the present invention in a balanced state with an upward force applied by the right handle shackle locking mechanism;

fig. 12 is a schematic plan view of a lever handle in a lever handle device according to a second embodiment of the present invention, which rotates to the left;

fig. 13 is a schematic perspective view of a handle hook locking mechanism in a lever handle device according to a second embodiment of the present invention;

fig. 14 is a perspective view of a base body in the handle device provided by the second 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.

The first embodiment is as follows:

the embodiment provides a handle device 40, as shown in fig. 1 to 5, the handle device 40 includes a handle 41, a handle base 42, a transmission piece 43 and a transmission mechanism for driving the transmission piece 43 to move, the handle 41 is rotatably connected to the handle base 42, the transmission mechanism is connected to the handle base 42 and is in transmission connection with the handle 41 and the transmission piece 43; the handle 41 is connected with a shackle locking mechanism that can be hooked on the handle base 42 to lock the handle 41 and can be manually unlocked by a user. The hanging buckle locking mechanism can effectively prevent misoperation, accidental opening and the like of a user. The transmission member 43 may be a sliding fork or a rotating fork.

Specifically, the inboard middle section of handle 41 is rotated through the pivot 411 wane and is connected in handle seat 42, and handle 41 has three grades of state positions, upper end perk, both ends are balanced and the lower extreme perk promptly, when being applied to interior division of door and window, can correspond three kinds of different casement modes (fall in, locking and flat-open) respectively, and handle 41 state position and casement mode, its corresponding relation can be confirmed according to actual conditions.

Specifically, the hanging buckle locking mechanism is provided with two sets and is located the inboard of handle 41 and sets up respectively in the both sides of pivot 411, and hanging buckle locking mechanism includes that the couple 44 of rotation connection in handle 41 and the elastic component 441 that supports in couple 44, and elastic component 441 can be the coil spring, and the one end of couple 44 is the hanging buckle end, and the other end is the unblock pole that can be pressed by the user, and the hanging buckle end can be hung buckle in handle seat 42. The hook 44 may be shaped like a "n", etc., with the length of the unlocking lever extending outwardly. The hook 44 is rotatably connected to the handle holder 42 through a shaft body 442, and the coil spring may be fitted over the shaft body 442. When one end (buckle end) of the hook 44 is buckled to the handle base 42, the handle 41 can only keep the two ends in a balanced state. The user can press the release lever of the hook 44 and the hook end can then be disengaged from the handle seat 42.

Specifically, the handle base 42 is provided at both sides thereof with a reverse-locking portion, which may be a reverse-locking flange 421 or a reverse-locking block, etc., and a guide surface 422 for guiding the hook 44 to be locked to the reverse-locking flange 421 (reverse-locking portion) is provided at a side of the reverse-locking flange 421 (reverse-locking portion) close to the handle 41. When a user needs to tilt the upper end of the handle 41, the user only needs to press the unlocking rod corresponding to the hook 44 on the inner side of the upper end of the handle 41, overcome the elastic force of the elastic member 441, separate the corresponding buckle end from the handle seat 42, and pull the handle 41 outward, so that the upper end of the handle 41 can be tilted accordingly, as shown in fig. 5. When the handle 41 needs to be reset to the balanced state, the handle 41 needs to be reset reversely, the hanging end is clamped inside the inverted flange 421 under the action of the guide surface 422, and the elastic piece 441 keeps the locking state, as shown in fig. 4. Similarly, when the user needs to tilt the lower end of the handle 41, the user only needs to press the unlocking rod corresponding to the hook 44 on the inner side of the lower end of the handle 41 to separate the corresponding hanging and buckling end from the handle seat 42, and pull the handle 41 outwards, so that the lower end of the handle 41 can be tilted in a proper condition, as shown in fig. 3, when the handle 41 needs to be reset to a balanced state, the user only needs to reset the handle 41 reversely, and the hanging and buckling end is clamped on the inner side of the inverted buckling flange 421 under the action of the guide surface 422 and keeps the buckling state by the elastic piece 441.

Specifically, the transmission mechanism includes a driving gear 45 connected to the handle 41 and synchronously rotating with the handle 41, the transmission member 43 is slidably connected to the handle base 42, and a rack 431 is disposed on a back surface of the transmission member 43, and the rack 431 may be a spur rack or a helical rack. The rack 431 is meshed with the pinion gear 45 through the intermediate gear 46; the transmission member 43 may be connected with a connector 47, and the upper and lower ends of the connector 47 are fixedly connected to the first side transmission bar 513 and the second side transmission bar 521, respectively.

The intermediate gear 46 includes a first gear 461 (large gear) and a second gear 462 (small gear) which are coaxially and fixedly connected, the size is relative concept, the diameter of the second gear 462 is smaller than that of the first gear 461, so that the structure is more compact, the second gear 462 is meshed with the driving gear 45, and the first gear 461 is meshed with the rack 431, so that when the handle 41 rotates by a smaller angle, the transmission part 43 can realize larger linear displacement, and the structure is compact and reliable. Alternatively, it is also possible to provide the intermediate gear 46 with one, i.e. with one integrated driven wheel.

The drive gear 45 may be fan-shaped or semi-circular. The handle base 42 has a mounting slot to which a cover 48 may be attached, and the actuator may be disposed within the mounting slot of the handle base 42. The driving gears 45 may be provided in two, and the two driving gears 45 may be coaxially spaced apart. The intermediate gears 46 may be provided in two, two intermediate gears 46 are provided at intervals in the sliding direction of the rack 431 and are both engaged with the rack 431, and the second gear 462 of the two intermediate gears 46 is both engaged with the pinion gear 45. Alternatively, one intermediate gear 46 may be provided and engaged with the rack 431 and the pinion gear 45, respectively.

In the concrete application, handle 41 can be metal handle or plastics handle, and its surface can be provided with the antiskid cushion. In this embodiment, when the window sash is opened inward in the locked state, only the unlocking rod corresponding to the hook 44 on the inner side of the lower end of the handle 41 needs to be pressed, so that the corresponding hook end is separated from the handle seat 42, and the handle 41 is pulled outward, so that the lower end of the handle 41 can be tilted in a proper manner, the unlocking rod corresponding to the hook 44 on the inner side of the upper end of the handle 41 is pressed, the elastic force of the elastic member 441 is overcome, so that the corresponding hook end is separated from the handle seat 42, and the handle 41 is pulled outward, so that the upper end of the handle 41 can be tilted in a proper manner. The existing door and window handles in the market are operated to be opened and closed in a rotating mode in the direction parallel to the plane of a door and window, the arm muscles of people are operated laboriously under the rotating action, and most of the existing door and window handles are only provided with one handle, so that the operation is inconvenient. In this embodiment, handle 41 adopts hand-pulling type structure, can adopt perpendicular to door and window plane direction pulling handle's mode, and this mode accords with the ergonomic principle more, and the direction of exerting oneself of arm is gone on along the flexible direction of muscle, and the user can directly effectively utilize the weight inertia operation door and window of self to open and close, and the operation mode is humanized more.

The embodiment of the utility model provides an interior door and window system that falls of interior division is still provided, including interior division of interior casement and above-mentioned handle device that falls.

The embodiment of the utility model provides an interior division of door and window system that falls, its handle 41 is connected with and can hangs to detain in handle seat 42 with locking handle 41 and can be by the hanging of the manual unblock of user and detain locking mechanical system. Hang and detain locking mechanical system and can effectively prevent that user's maloperation and accident from opening, fail safe nature is good, and handle 41 adopts the hand-pulling type structure, can adopt perpendicular to door and window plane direction pulling handle's mode, and this mode accords with the ergonomic principle more, and the direction of exerting oneself of arm is gone on along the flexible direction of muscle, and the user can directly effectively utilize the weight inertia operation door and window of self to open and close, and the operation mode is humanized more.

Example two:

as shown in fig. 6 to 14, an embodiment of the present invention provides a handle device, including a handle base 10, a transmission member 40, a handle 20 rotatably connected to the handle base 10, and a buckle locking mechanism 30 rotatably connected to the handle 20 and capable of being limited to the handle base 10 to limit the rotation of the handle 20, wherein a transmission mechanism is disposed between the handle 20 and the transmission member 40, the transmission mechanism is configured to drive the transmission member 40 to move or rotate, when the handle 20 is in an initial state, the buckle locking mechanism 30 contacts the handle base 10 to limit the rotation of the handle 20, the buckle locking mechanism 30 can be buckled to the handle base 10 to lock the handle 20 and can be manually unlocked by a user, if a force in an unlocking direction is not applied to the handle buckle locking mechanism 30, the handle 20 cannot be operated, the transmission member 40 cannot be operated, and this state belongs to a locked state, the anti-misoperation effect is good. The unlocking direction of the handle hanging buckle locking mechanism 30 can be the direction of lifting and pressing the handle 20, so that the operation of a user is facilitated, and the experience effect of the user is better.

In this embodiment, the shackle locking mechanism 30 is disposed inside the handle 20, and when the user grips the handle 20, the user can naturally lift the corresponding shackle locking mechanism 30.

Specifically, the handle 20 includes a rotation connecting portion 23, a left handle portion 21, and a right handle portion 22, and the left handle portion 21 and the right handle portion 22 may be respectively used to control the transmission direction of the transmission member 40. The transmission member 40 may be a fork, which may be rotatable or slidable. The rotating connecting portion 23 is rotatably connected to the handle base 10, the left handle portion 21 and the right handle portion 22 are respectively and integrally connected to two sides of the rotating connecting portion 23, and two hanging and locking mechanisms 30 are provided, wherein one hanging and locking mechanism 30 is arranged on one side of the left handle portion 21 facing the handle base 10, and the other hanging and locking mechanism 30 is arranged on one side of the right handle portion 22 facing the handle base 10. The handle device can be used for controlling the inward opening and inward reversing window sashes.

Specifically, the inner side of the handle 20 is provided with a movable groove 201 for accommodating the hook locking mechanism 30, a return spring 50 is arranged between the hook locking mechanism 30 and the handle 20, and the rear end of the hook locking mechanism 30 protrudes out of the movable groove 201. The user presses the hook lock mechanism 30, so that the hook lock mechanism 30 compresses the return spring 50 and rotates in a direction of entering the movable groove 201, and the hook lock mechanism 30 releases the position limitation of the handle base 10, so that the handle 20 can rotate in a direction of the handle on the other side. The return spring 50 may be a coil spring, and the inner side of the hook locking mechanism 30 is provided with a spring mounting groove 301, one end of the spring is clamped in the spring mounting groove 301, and the other end of the spring is abutted against the movable groove 201, so that the hook locking mechanism 30 is abutted against the handle base 10 to prevent the handle 20 from rotating.

Specifically, the buckle locking mechanism 30 has a first limiting surface 31 that is hooked on or pressed against the handle base 10 to limit the rotation of the handle 20; the hanging buckle locking mechanism 30 further has a second limiting surface 32 for limiting the rotation angle of the handle 20, and the second limiting surface 32 and the first limiting surface 31 are arranged in a staggered manner up and down and front and back. The second limiting surface 32 can be used for limiting the rotation angle of the handle 20, and safety and reliability are better. A cushion pad, such as a rubber pad, may be attached to the second limiting surface 32 and the first limiting surface 31.

Specifically, the front end of the hook locking mechanism 30 has a limiting arm 320 and a limiting hook 310 integrally connected to the limiting arm 320 and protruding from the limiting arm 320, the first limiting surface 31 is disposed on the limiting hook 310, the second limiting surface 32 is disposed on the limiting arm 320, and the position and the angle thereof are staggered.

Specifically, the transmission mechanism includes a driven tooth 610 and a driving tooth 620 engaged with the driven tooth 610, the driven tooth 610 is integrally disposed on or connected to the transmission member 40, and the driving tooth 620 is connected to the handle 20. The driven teeth 610 and the driving teeth 620 may be fan-shaped, or may be semicircular or circular.

Specifically, the handle seat 10 is provided with a first positioning hole 101, and the driven tooth 610 is rotatably connected to the first positioning hole 101 through a first positioning shaft; the upper end of the driven tooth 610 may be connected to the inside of the handle holder 10, the lower end of the driven tooth 610 may be connected to the driving member 40, and the driving member 40 may be located outside the handle holder 10.

Specifically, the handle base 10 is provided with a second positioning hole 102, the driving tooth 620 is rotatably connected to the second positioning hole 102 through a second positioning shaft 630, the second positioning shaft 630 is connected to the handle 20, and when the handle 20 is rotated, the driving tooth 620 rotates.

Specifically, one side of the driven tooth 610 is provided with a clearance groove 611, and the driving tooth 620 extends into the clearance groove 611, so that the structure is compact.

Specifically, the joint of the second positioning shaft 630 and the handle 20 is a polygonal shaft pin, the second positioning shaft 630 is provided with an annular limiting groove 631, the annular limiting groove 631 is provided with a resetting part 660, and the resetting part 660 can be a coil spring, so that the handle 20 can automatically return to the initial state (the balanced state, as shown in fig. 10) when the external force is cancelled.

Specifically, the handle base 10 includes a base body 110 having a mounting cavity and a cover 120 connected to one side of the base body 110 and covering the mounting cavity, and the driven teeth 610 and the driving teeth 620 may be disposed in the mounting cavity. The base 110 is provided with a riveting boss 111, the cover 120 is provided with a riveting hole 103 matched with the riveting boss 111, and the cover 120 is provided with the second positioning hole 102 for the polygonal shaft pin to pass through, so as to facilitate installation. The body 110 is provided with mounting holes 112 to secure the handling device to the window sash.

The top of the handle base 10 is in the shape of an arc surface, the rotating connection part 23 is provided with an arc groove which is in sliding fit with the handle base 10, one side of the arc groove is provided with a mounting wall 24, and the mounting wall 24 is provided with a polygonal hole 241 matched with the polygonal shaft pin.

As shown in fig. 9, when the handle 20 is in a balanced state, and the first position-limiting surfaces 31 of the left handle catch locking mechanism 30 and the right handle catch locking mechanism 30 are both in contact with the boss position-limiting surface 109 of the handle base 10, if an upward force is not applied to any one of the handle catch locking mechanisms 30, the transmission fork cannot move, and this state belongs to a locked state and is used for an anti-misoperation design.

As shown in fig. 10, when the left handle hook locking mechanism 30 applies an upward force, the return spring 50 is tightened, the first limiting surface 31 is separated from the boss limiting surface 109 of the handle base 10, a stroke gap is generated, the handle 20 can be tilted right along with the force, meanwhile, the polygonal shaft pin of the driving wheel rotates right, since the driving wheel and the driven wheel are meshed with each other to drive the transmission fork (transmission fork) to rotate left, after a certain stroke is rotated, the second limiting surface 32 contacts with the boss limiting surface 109 of the handle base 10, the stroke is finished, and the switching effect can be realized in this state. When the handle hanging buckle locking mechanism 30 is released, the handle hanging buckle locking mechanism 30 and the handle 20 automatically reset, and the handle device restores to a balanced state.

As shown in fig. 11, when the handle hanging buckle locking mechanical system 30 on the right is exerted an upward force, the corresponding return spring 50 is tightened, the first limit surface 31 is separated from the limit surface 109 of the boss of the handle seat 10, a stroke gap is generated, as shown in fig. 12, the handle 20 can incline to the left along with the trend, meanwhile, the polygonal shaft pin of the driving wheel rotates to the left, the driving wheel and the driven wheel are meshed with each other to drive the transmission shifting fork to rotate to the right, after a certain stroke is rotated, the stroke is finished due to the contact of the second limit surface 32 and the limit surface 109 of the boss of the handle seat 10, and the switching effect can be realized in this state.

The utility model also provides an interior door and window system of falling in interior division, including interior division of casement, still include foretell handle device. Handle operating element can adopt perpendicular to door and window plane direction pulling, this mode accords with the ergonomic principle more, the direction of exerting oneself of arm is gone on along the flexible direction of muscle, the user can directly effectively utilize the weight inertia operation door and window of self to open and close, the operation mode is more humanized, and through setting up hanging knot locking mechanical system, can restrict the rotation of stating handle operating element, if hang the power of detaining locking mechanical system and applying the unblock direction to the handle, handle 20 can not move, then driving medium 40 also can't move, this state belongs to the locking state, prevent the maloperation effectual. (whether this approach protects objects in light of emphasis)

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

Claims (20)

1. A handle device is characterized by comprising a handle, a handle seat, a transmission part and a transmission mechanism for driving the transmission part to move or rotate, wherein the handle is rotatably connected to the handle seat, and the transmission mechanism is connected to the handle seat and is in transmission connection with the handle and the transmission part; the handle is connected with a hanging buckle locking mechanism which can be hung and buckled on the handle seat to lock the handle and can be manually unlocked by a user.

2. The handle arrangement of claim 1, wherein the inner center section of the handle is pivotally connected to the handle base by a pivot rocker.

3. The handle device of claim 2, wherein the handle has three operating states, an upper tilt, a two balanced, and a lower tilt, and the three operating states correspond to three window sash modes, a window sash tilt, a lock, and a release.

4. The handle device according to claim 3, wherein the catch lock mechanism includes a hook rotatably connected to the handle and an elastic member abutting against the hook, one end of the hook is a catch end that can be caught on the handle base, and the other end is an unlocking lever that can be pressed by a user.

5. The lever handle device according to claim 4, wherein the handle base is provided at both sides thereof with a reverse portion, and a side of the reverse portion adjacent to the handle is provided with a guide surface for guiding the hook to be hooked to the reverse portion.

6. A handle arrangement according to any one of claims 1 to 4, wherein the transmission mechanism comprises a pinion gear connected to the handle and rotating synchronously with the handle, the transmission member is slidably connected to the handle base, and a rack gear is provided on the back of the transmission member, the rack gear engaging with the pinion gear via an intermediate gear.

7. The handle arrangement of claim 6, wherein the intermediate gear comprises a first gear and a second gear fixedly connected coaxially, the second gear being engaged with the pinion gear, the first gear being engaged with the rack gear; alternatively, the intermediate gear is a driven gear.

8. The handle arrangement of claim 6, wherein the pinion gear is scalloped or semi-circular.

9. The handle arrangement of claim 5, wherein the handle base has a mounting slot with a cover attached thereto, and wherein the actuator is disposed within the mounting slot.

10. The handle device according to claim 7, wherein the two pinion gears are coaxially spaced, the two intermediate gears are spaced in a sliding direction of the rack and are engaged with the rack, and the second gear of the two intermediate gears is engaged with the pinion gear; alternatively, one of the intermediate gears is provided.

11. The lever handle arrangement of claim 1, wherein the shackle locking mechanism is disposed on an inner side of the lever handle.

12. The handle set according to claim 1, wherein the handle includes a rotary joint rotatably coupled to the handle base, a left handle portion and a right handle portion coupled to opposite sides of the rotary joint, and two of the plurality of padlock mechanisms are provided, one of the padlock mechanisms being disposed on a side of the left handle portion facing the handle base and the other padlock mechanism being disposed on a side of the right handle portion facing the handle base.

13. The handle assembly of claim 1, wherein a movable slot is disposed on an inner side of the handle for receiving the buckle locking mechanism, a return spring is disposed between the buckle locking mechanism and the handle, and a rear end of the buckle locking mechanism protrudes from the movable slot.

14. The lever handle arrangement of claim 12, wherein the catch lock mechanism has a first stop surface that engages or abuts the handle seat to limit rotation of the handle; the hanging buckle locking mechanism is further provided with a second limiting surface used for limiting the rotation angle of the handle, and the second limiting surface and the first limiting surface are arranged in a vertically and front-back staggered mode.

15. The lever handle device according to claim 14, wherein the front end of the suspension buckle locking mechanism has a stopper arm and a stopper hook integrally connected to the stopper arm and protruding from the stopper arm, the first stopper surface is provided on the stopper hook, and the second stopper surface is provided on the stopper arm.

16. The handle arrangement of claim 15, wherein the drive mechanism includes a driven tooth integrally disposed on or coupled to the drive member and a driving tooth engaged with the driven tooth, the driving tooth coupled to the handle.

17. The handle arrangement of claim 16, wherein the handle base is provided with a first alignment hole, and the follower teeth are rotatably coupled to the first alignment hole via a first alignment shaft; the handle seat is provided with a second positioning hole, and the driving tooth is rotatably connected to the second positioning hole through a second positioning shaft; one side of the driven tooth is provided with a spacing groove, and the driving tooth extends into the spacing groove.

18. The handle arrangement of claim 17, wherein the second positioning shaft is a polygonal shaft pin at a connection with the handle, the second positioning shaft is provided with an annular limiting groove, and a reset member is disposed in the annular limiting groove.

19. The lever handle device according to claim 18, wherein the handle base includes a base body having a mounting cavity and a cover coupled to a side of the base body and covering the mounting cavity, the base body being provided with a riveting boss, the cover being provided with a riveting hole engaged with the riveting boss, the cover being provided with the second positioning hole for the polygonal shaft pin to pass through; the top of the handle seat is arc-shaped, the rotary connecting part is provided with an arc groove which is in sliding fit with the handle seat, one side of the arc groove is provided with a mounting wall, and the mounting wall is provided with a polygonal hole matched with the polygonal shaft pin.

20. A tilt-in-door system comprising a tilt-in-door sash and a handling device as claimed in any one of claims 1 to 19.

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