CN219281545U

CN219281545U - Electric lifting sliding window driven by two sides

Info

Publication number: CN219281545U
Application number: CN202320366403.2U
Authority: CN
Inventors: 黄海清
Original assignee: Guangzhou Haodi Window And Door Co ltd
Current assignee: Guangzhou Haodi Window And Door Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-06-30
Anticipated expiration: 2033-03-02
Also published as: CN220358964U

Abstract

The utility model relates to the technical field of building doors and windows, in particular to an electric lifting and pulling window driven by two sides, which comprises a window frame and a movable window sash, wherein driving devices are respectively arranged on the two sides of the window frame, each driving device comprises a motor and a rack, the motors are arranged on the two sides of the window frame, the racks are arranged on the two sides of the movable window sash, and a gear meshed with the corresponding racks is arranged on an output shaft of each motor; the two sides of the window frame are also respectively provided with a lifting balancer, the lifting balancer comprises a coil spring seat and a sliding block, each coil spring of the coil spring seat extends out and is connected with the sliding block, the coil spring seat is fixedly arranged, and the sliding block is slidably arranged and is connected with the movable window sash; the utility model provides an electric lift sliding window, the both sides of fixed window frame are equipped with drive arrangement respectively and drive movable casement oscilaltion, can not shelter from the field of vision of sliding window, and can provide bigger more balanced driving force in order to be suitable for bigger sliding window of size.

Description

Electric lifting sliding window driven by two sides

Technical Field

The utility model relates to the technical field of building doors and windows, in particular to an electric lifting sliding window driven by two sides.

Background

The vertical sliding window adopts an opening mode of vertical lifting, has the advantages of good ventilation effect, good air tightness, no occupied space, convenient cleaning and the like, and is particularly popular in the prior art. However, since the size of the movable window sash is large and the weight is heavy, and manual pushing and pulling are relatively laborious, it is preferable to use an electric lifting window for driving the lifting window to lift by an electric method, but as shown in fig. 9, the electric driving device of the conventional electric lifting window is usually installed on the transverse frame or the transverse middle stile of the fixed window sash, so that the transverse frame or the transverse middle stile on which the driving device is installed is thick in the height direction, the view and light of the lifting window are blocked, which is not attractive, and if the size and the weight of the movable window sash are large, the centrally arranged electric driving device is difficult to provide enough driving force to drive the lifting movement of the movable window sash.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide an electric lifting and pulling window driven by two sides, wherein driving devices are respectively arranged on two sides of a fixed window frame to drive a movable window sash to lift up and down, the view and light of the lifting and pulling window are not blocked, and a larger and more balanced driving force can be provided to be suitable for the lifting and pulling window with larger size.

The task of the utility model is realized by the following technical scheme:

the electric lifting and pulling window comprises a window frame and a movable window sash, wherein driving devices are respectively arranged on two sides of the window frame and can jointly drive the movable window sash to move up and down in the window frame, the driving devices comprise motors and racks, the motors of the two driving devices are respectively arranged on two sides of the window frame, the racks are respectively vertically arranged on two sides of the movable window sash, and an output shaft of the motor extends out and is provided with gears for meshing the corresponding racks; the two sides of the window frame are also respectively provided with a lifting balancer, the lifting balancer comprises a coil spring seat and a sliding block, at least one coil spring is arranged in the coil spring seat, the outer ends of the coil springs extend out and are directly and fixedly connected with the sliding block, the coil spring seats of the two lifting balancers are respectively and fixedly arranged in vertical sliding grooves on two sides of the window frame, and the sliding block is respectively and slidably arranged in the vertical sliding grooves on two sides of the window frame and is respectively connected with two sides of the movable window sash and can synchronously move along with the movable window sash.

As the preferred technical scheme, the motor includes motor body, reduction gears and the output gear box that drive connection in proper order, and motor body, reduction gears and output gear box's casing fixed connection together constitute motor housing jointly, and wherein output gear box includes intermeshing's first bevel gear and second bevel gear, and wherein motor body, reduction gears, first bevel gear all coaxial vertical setting, the axle center of second bevel gear transversely sets up and connects the output shaft, the coaxial detachable grafting of gear is on the output shaft, the both sides of window frame are equipped with vertical caulking groove, and the motor is vertical embedded the installation respectively in corresponding caulking groove.

As the preferable technical scheme, the gear axes of the two driving devices are in transmission connection through a transverse transmission shaft, and the transmission shaft is of an integrated structure or of a spliced structure formed by sequentially connecting a plurality of short shafts in series through a connecting seat.

As the preferred technical scheme, the bottom of motor housing stretches out there is mounting plate, and one side stretches out there is the installation pterygoid lamina of slope, all is equipped with the screw hole that is used for beating the screw on mounting plate and the installation pterygoid lamina, and the screw hole axial of installation pterygoid lamina is more than 0 and is less than 90 with the screw hole axial of mounting plate's contained angle.

The optimal technical scheme also comprises a controller and a monitoring module for respectively monitoring the current or the rotating speed of the two motors, wherein the controller is connected with each motor and the monitoring module, and when the current or the rotating speed of the two motors is different or the difference between the two motors is larger than a set threshold value, the controller controls the two motors to automatically adjust the current or the rotating speed to be consistent or stop running.

As the preferable technical scheme, the vertical spout of window frame both sides divide into interior spout and outer spout, and interior spout and outer spout are linked together, and wherein interior spout is used for placing one carry and draw the balanced ware or stack a plurality of carry and draw the balanced ware that set up along the direction of interior spout depth, outer spout is used for placing assorted direction stopper, sets up two at least direction stopper in every outer spout, is connected and goes up and down in step with the last frame of movable window fan respectively, lower frame, wherein the direction stopper of below and correspond the side all be equipped with the shaft hole on the slider and just set up, the lower frame both sides of movable window fan are fixed mounting respectively towards the round pin axle that both sides stretched out, and the extension end of round pin axle passes the direction stopper of corresponding side in proper order and each shaft hole on the slider and is connected with it.

As the preferable technical scheme, the guide limiting block comprises a shell and at least two rollers arranged in the shell, wherein at least one roller is respectively exposed out of the left side wall and the right side wall of the shell, and when the shell moves up and down in the outer sliding groove, the rollers roll on the side wall of the outer sliding groove.

As the preferable technical scheme, a fixed window sash is further arranged in the window frame, the movable window sash is positioned at the outer side of the fixed window sash, the rack faces the fixed window sash, and a avoidance groove is formed in the position, corresponding to the rack, of the frame body of the fixed window sash.

As the preferred technical scheme, the left and right sides of slider is equipped with wind spring connection structure respectively, and wind spring connection structure includes the protruding and fastening hole of hanging that vertical interval set up, the end of wind spring is equipped with prefabricated extension, and prefabricated extension is stretched out naturally in the wind spring seat under the effect of external force not, and prefabricated extension's end is equipped with the first perforation and the second perforation that correspond with hanging protruding, fastening hole, the quantity of wind spring is at least two, stretches out respectively from the left and right sides of wind spring seat and is connected with the left and right sides of slider, and wherein the first perforation of each wind spring of homonymy all overlaps outside hanging protruding and articulates, and the second perforation is just right and through fastening screw fixed connection.

As the preferable technical scheme, a plurality of coil springs are arranged in the coil spring seat, at least two coil springs are arranged up and down, the lengths of the prefabricated extension sections of the two coil springs are different, and when the sliding block abuts against the end part of the coil spring seat, the lengths of the prefabricated extension sections of the coil springs just enable the coil springs to be fixedly connected with the sliding block.

Preferably, the prefabricated extension section of each coil spring extends from the tangential direction of the coil spring and extends in a parabolic shape towards the slider.

Compared with the prior art, the electric lifting sliding window driven by two sides has the following beneficial effects: (1) the two sides of the fixed window frame are respectively provided with a driving device for driving the movable window sashes to lift up and down, so that the heights of the transverse middle stiles of the window or the transverse side frames of the window sashes can be reduced as much as possible, even eliminated, the shielding of the view of the sliding window can be reduced as much as possible, a larger and more balanced driving force can be provided for the sliding window with larger size, the weight of the movable window sashes is balanced by utilizing the lifting balancer, the load of a motor is reduced, and the motor can be miniaturized; (2) the motor and the gear are convenient to assemble and disassemble, when the motor and the rack are correspondingly installed, the transmission connection of the motor, the rack and the gear can be realized only by inserting the gear, and when the motor, the gear and the rack are disassembled, each part can be easily and independently disassembled, the assembly or the maintenance are easy, the split storage and the split transportation of the sliding window are convenient, and the split assembly is carried out on site; (3) when the movable window sash moves up and down, a power line, a control line and the like of the motor are not driven to move along with the movement, so that fatigue damage of the lines caused by repeated bending can be avoided, interference influence on the movement of the movable window sash is avoided, and the structure is more stable and simple; (4) the motor body, the speed reducing mechanism and the output gear box of the motor are arranged vertically in series, and are arranged in the caulking grooves arranged on two sides of the window frame in an embedded mode, so that the structure is more compact, the space utilization rate is higher, the hidden installation does not occupy the external space, and the appearance is more attractive; (5) the motor is fixedly mounted on the window frame by matching the mounting baseplate with the mounting wing plates, wherein the mounting wing plates are obliquely arranged, so that the mounting construction is facilitated, and a constructor can directly and obliquely drive the screws into the window frame; (6) the monitoring module is arranged for monitoring the current or the rotating speed of the two motors in real time, so that the driving devices at the two sides can automatically stop when working unbalance exists, and the clamping or the damage is prevented; (7) the guide limiting block is arranged to guide the up-and-down movement of the movable window sash, limit the left-and-right shaking of the movable window sash, enable the lifting of the movable window sash to be stable, enable the sliding block of the lifting balancer not to bear the guide function or only to play an auxiliary guide function, greatly reduce the matching precision requirement of the lifting balancer and the sliding grooves, save the manufacturing cost and the installation cost, enable the guide limiting block and the sliding block to be arranged in the two sliding grooves in parallel and be connected with the movable window sash through the same pin shaft, and enable the structure to be simpler and more compact and the installation to be more convenient; (8) by arranging the avoidance groove, the driving gear and the rack can be meshed, and the gap between the fixed window sash and the movable window sash is smaller, so that the sealing performance of the electric lifting window driven by two sides of the electric lifting window is improved, a redundant structure is avoided, and the space is saved; (9) the end of the coil spring is provided with the prefabricated extension section, the prefabricated extension section is provided with the first perforation and the second perforation, and the left side and the right side of the sliding block are provided with the matched hanging protrusions and fastening holes, so that the coil spring and the sliding block are more convenient to assemble, and are more firm and durable to connect; the prefabricated extension section of each coil spring is designed in length, so that the lifting balancer can be kept in a folded state in a natural state before being mounted on a window, the coil springs are not stressed in tension, and are not easy to fatigue damage; the parabolic shape design of prefabricated extension end for the coil spring of lifting balance ware is difficult for fatigue deformation or buckling in flexible in-process, can further improve lifting balance ware's life.

The conception, specific structure, and resulting effects of the present utility model will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present utility model.

Drawings

FIG. 1 is a schematic view of a structure of an electric lift window according to an embodiment;

FIG. 2 is a schematic view of the electric lift window of FIG. 1 after concealing a portion of the window frame cover;

FIG. 3 is an enlarged partial view of portion A of FIG. 2;

FIG. 4 is a schematic diagram of the motor of FIG. 3;

fig. 5 is a schematic structural view of the electric lifting window in another embodiment at a view angle of the other side of the window;

FIG. 6 is an enlarged partial view of portion B of FIG. 5;

FIG. 7 is a schematic view of the structure of the lifting balancer of FIG. 5;

FIG. 8 is a schematic view of the lifting balancer of FIG. 7 in a closed state;

fig. 9 is a schematic structural view of a conventional electric lifting window in the background art.

Wherein: 1. a window frame; 11. a caulking groove; 12. an inner chute; 13. an outer chute; 2. a movable window sash; 3. fixing a window sash; 31. an avoidance groove; 4. a driving device; 41. a motor; 411. an output shaft; 412. a gear; 413. a motor body; 414. a speed reducing mechanism; 416. an output gearbox; 417. a mounting base plate; 418. mounting wing plates; 419. screw holes; 42. a rack; 5. lifting the balancer; 51. a coil spring seat; 511. a coil spring; 5111. prefabricating the extension section; 5112. a first perforation; 5113. a second perforation; 52. a slide block; 521. a hanging protrusion; 522. a fastening screw; 523. a shaft hole; 6. a guide limiting block; 61. a housing; 62. a roller; 7. and a pin shaft.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the description of the specific embodiments is intended for purposes of illustration only and is not intended to limit the scope of the present disclosure.

It will be understood that when an element is referred to as being "connected" or "mounted" to another element, it can be directly connected to the other element or be indirectly connected through intervening elements (unless otherwise specifically indicated herein). In addition, the terms "upper", "lower", "left", "right", "inner", "outer" and the like are used herein for illustrative purposes only and do not represent the only embodiment.

As shown in fig. 1-8, the present embodiment provides a two-side driven electric lifting window, which comprises a window frame 1 and a movable window sash 2, wherein driving devices 4 are respectively arranged at two sides of the window frame 1 and can jointly drive the movable window sash 2 to move up and down in the window frame 1, the driving devices 4 comprise motors 41 and racks 42, the motors 41 of the two driving devices 4 are respectively arranged at two sides of the window frame 1, the racks 42 are respectively vertically arranged at two sides of the movable window sash 2, and an output shaft 411 of the motor 41 extends out and is provided with gears 412 for engaging the corresponding racks 42; the two sides of the window frame 1 are also respectively provided with a lifting balancer 5, the lifting balancer 5 comprises coil spring seats 51 and sliding blocks 52, a plurality of coil springs 511 are arranged in the coil spring seats 51, the inner ends of the coil springs 511 are sleeved on support shafts arranged in the coil spring seats 51 and can rotate relative to the coil spring seats 51, the outer ends of the coil springs extend out and are directly and fixedly connected with the sliding blocks 52, the coil spring seats 51 of the two lifting balancers 5 are respectively fixedly arranged in vertical sliding grooves on two sides of the window frame 1, and the sliding blocks 52 are respectively and slidably arranged in vertical sliding grooves on two sides of the window frame 1 and respectively connected with two sides of the movable window sashes 2 and can synchronously move along with the movable window sashes 2.

According to the electric lifting and pulling window provided by the embodiment, the driving devices 4 are respectively arranged at two sides of the fixed window frame 1 to drive the movable window sash 2 to lift up and down, so that the height of a transverse middle stile of the window or a transverse frame of the window sash can be reduced as much as possible, even eliminated, the shielding of the visual field of the lifting and pulling window can be reduced as much as possible, a larger and more balanced driving force can be provided to be suitable for the lifting and pulling window with larger size, the lifting and pulling balancer 5 is utilized to share and balance the weight of the movable window sash 2, the load of the motor 41 is reduced, and the motor 41 can be miniaturized, for example, in the embodiment, the motor 41 is a small direct current motor, the lifting and pulling window with the width of about 4 meters can be driven to lift up and down by only two small direct current motors with the width of 24V, and the electric lifting and pulling window is energy-saving, safe, convenient to control, convenient to assemble and low in noise; when the movable window sash 2 moves up and down, the power line, the control line and the like of the motor 41 are not driven to move along with the movement, so that fatigue damage of the lines caused by repeated bending can be avoided, interference influence on the movement of the movable window sash 2 is avoided, and the structure is more stable and simple.

As a preferred embodiment, the motor 41 includes a motor body 413, a speed reducing mechanism 414 and an output gear box 416 which are in transmission connection, and the motor body 413, the speed reducing mechanism 414 and the casing 61 of the output gear box 416 are sequentially and fixedly connected together to form a motor casing, where the output gear box 416 includes a first bevel gear and a second bevel gear which are meshed with each other, the motor body 413, the speed reducing mechanism 414 and the first bevel gear are coaxially and vertically arranged, the axis center of the second bevel gear is transversely arranged and connected with the output shaft 411, the gears 412 are coaxially and detachably inserted on the output shaft 411, vertical caulking grooves 11 are arranged on two sides of the window frame 1, and the motor 41 is vertically embedded in the corresponding caulking grooves 11 respectively. The design makes the assembly and disassembly of the driving device 4 convenient, when the driving device is installed, after the motor 41 and the rack 42 are correspondingly installed, the transmission connection of the three parts can be realized only by inserting the gear 412, and when the driving device is disassembled, each part can be easily and independently disassembled only by pulling out the gear, so that the driving device is easy to install or maintain, and is convenient for split storage and transportation of the sliding window and split assembly on site; through setting up motor 41's motor body 413, reduction gears 414, output gear box 416 and adopting the vertical overall arrangement of series connection to embedded vertical installation is in the caulking groove 11 that window frame 1 both sides set up, and the structure is compacter, and space utilization is higher, and hidden installation also can not occupy outer space, and is more pleasing to the eye.

For windows with a relatively large width (for example, more than 4 meters), the requirement on the synchronism of the two side driving devices is higher, and in order to meet the requirement, the axes of the gears 412 of the two driving devices 4 are preferably connected in a transmission manner through a transverse transmission shaft (shown in the drawing), so that the synchronous rotation of the gears 412 on the two sides can be ensured, and the transmission shaft is in an integrated structure or a spliced structure formed by sequentially connecting a plurality of short shafts in series through a connecting seat.

As a preferred embodiment, the bottom of the motor housing extends out to form a mounting base plate 417, one side of the motor housing extends out to form an inclined mounting wing plate 418, screw holes 419 for screwing are formed in the mounting base plate 417 and the mounting wing plate 418, an included angle of more than 0 degrees and less than 90 degrees is formed between the screw holes 419 of the mounting wing plate 418 and the screw holes 419 of the mounting base plate 417 in the axial direction, the preferred range is 30 degrees to 60 degrees, the motor 41 is fixedly mounted on the window frame 1 through the cooperation of the mounting base plate 417 and the mounting wing plate 418, the mounting wing plate 418 is obliquely arranged, installation and construction are facilitated, and a constructor can directly obliquely drive screws into the window frame 1.

As a preferred embodiment, the motor driving device further comprises a controller and a monitoring module for respectively monitoring the current or the rotating speed of the two motors 41, wherein the controller is connected with each motor 41 and the monitoring module, and when the current or the rotating speed of the two motors 41 is different or the difference between the two motors is larger than a set threshold value, the controller controls the two motors 41 to automatically adjust the current or the rotating speed to be consistent or stop running; through setting up monitoring module, the current or the rotational speed of two motors 41 of real-time supervision to can make two motors of automatic control adjust to unanimously make its work return to balance when the unbalance operation of both sides drive arrangement 4, perhaps direct shut down when unable automatic adjustment resumes to balance, prevent to block or damage.

As a preferred embodiment, the vertical sliding grooves on two sides of the window frame 1 are divided into an inner sliding groove 12 and an outer sliding groove 13, the inner sliding groove 12 is communicated with the outer sliding groove 13, the inner sliding groove 12 is used for placing one lifting balancer 5 or a plurality of lifting balancers 5 stacked along the depth direction of the inner sliding groove 12, the outer sliding groove 13 is used for placing matched guide limiting blocks 6, at least two guide limiting blocks 6 are arranged in each outer sliding groove 13 and are respectively connected with the upper frame and the lower frame of the movable window sash 2 and synchronously lifted, the lower guide limiting blocks 6 and the corresponding sliding blocks 52 on the corresponding sides are respectively provided with shaft holes 523 and are just opposite to each other, pin shafts 7 extending towards two sides are respectively fixedly arranged on two sides of the lower frame of the movable window sash 2, and the extending ends of the pin shafts 7 sequentially penetrate through the guide limiting blocks 6 on the corresponding sides and the shaft holes 523 on the sliding blocks 52 and are connected with the same; the movable window sash 2 can be guided up and down by arranging the guide limiting block 6, the left and right shaking of the movable window sash 2 is limited, the movable window sash 2 can be lifted more stably, the sliding block 52 of the lifting balancer 5 does not need to bear the guide function or only plays an auxiliary guide function, the matching precision requirement of the lifting balancer 5 and the sliding grooves can be greatly reduced, the manufacturing cost and the installation cost can be saved, the guide limiting block 6 and the sliding block 52 are arranged in the two sliding grooves side by side, the movable window sash 2 is connected through the same pin shaft 7, the structure is simpler and more compact, and the installation is more convenient.

As a preferred embodiment, the guide limiting block 6 includes a housing 61 and at least two rollers 62 disposed in the housing 61, at least one roller 62 is exposed on the left and right side walls of the housing 61, when the housing 61 moves up and down in the outer chute 13, the rollers 62 roll on the side walls of the outer chute 13, and the design of the guide limiting block 6 can not only meet good left and right limiting, but also make the friction force smaller when sliding in the outer chute 13.

As a preferred embodiment, a fixed window sash 3 is further disposed in the window frame 1, the movable window sash 2 is located at an outer side of the fixed window sash 3, the rack 42 is disposed facing the fixed window sash 3, and a avoidance groove 31 is disposed on a frame body of the fixed window sash 3 at a position corresponding to the rack 42; through setting up dodging groove 31 to can enough make drive gear 412 and rack 42 can mesh, can make the clearance between fixed casement 3 and the movable casement 2 less again, be favorable to increasing the sealing performance of this patent both sides driven electric lift pulling window, and have not redundant structure, save space.

As a preferred embodiment, the left and right sides of the slider 52 are respectively provided with a coil spring connection structure, the coil spring connection structure comprises a hanging protrusion 521 and fastening holes which are vertically arranged at intervals, the tail end of the coil spring 511 is provided with a prefabricated extension section 5111, the prefabricated extension section 5111 naturally extends out of the coil spring seat 51 under the action of no external force, the tail end of the prefabricated extension section 5111 is provided with a first perforation 5112 and a second perforation 5113 which are matched with the hanging protrusion 521 and the fastening holes, the number of the coil springs 511 is a plurality, and the coil springs are respectively extended out of the left and right sides of the coil spring seat 51 and are connected with the left and right sides of the slider so as to balance the forces of the left and right sides of the slider, wherein the first perforation 5112 of each coil spring 511 on the same side is sleeved outside the hanging protrusion 521 for hanging, and the second perforation 5113 is opposite to the fastening hole and is fixedly connected through the fastening screw 522; through set up prefabricated extension 5111 at the wind spring 511 end to set up the wind spring connection structure that articulates protruding 521 and fastening hole cooperation formed at prefabricated extension 5111, the cooperation is first perforation 5112 and the second perforation 5113 of seting up in wind spring 511 outer end, can make wind spring 511 and slider 52's fixed connection more convenient and more firm.

As a preferred embodiment, the plurality of coil springs 511 are installed in the coil spring seat 51, at least two coil springs 511 are arranged up and down, the lengths of the prefabricated extending sections 5111 of the two coil springs 511 are different, when the sliding block 52 abuts against the end portion of the coil spring seat 51 (i.e. the folded state), as shown in fig. 8, the lengths of the prefabricated extending sections 5111 of the coil springs 511 just enable the coil springs 511 to be fixedly connected with the sliding block 52, the design enables the lifting balancer to be kept in the folded state in a natural state before being installed on a window, the coil springs are not stressed, the coil springs are not easy to fatigue and damage, the design enables the elastic force contributed by the coil springs to be identical, the stress of the coil springs to be more uniform, and the fatigue and damage caused by uneven stress between the coil springs can be effectively avoided.

As a preferred embodiment, the prefabricated extension 5111 of each coil spring 511 extends from the tangential direction of the coil spring 511 and is parabolic toward the slider 52, so that the coil spring 511 of the lifting balancer 5 is not easy to fatigue deform or bend during the telescoping process, and the service life of the lifting balancer 5 can be further improved.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but also covers other technical solutions which may be formed by any combination of the features described above or their equivalents without departing from the inventive concept. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims

1. The utility model provides an electric lift sliding window of both sides drive, including window frame (1) and movable window fan (2), a serial communication port, both sides of window frame (1) are equipped with drive arrangement (4) respectively and can drive movable window fan (2) up-and-down in window frame (1) jointly, drive arrangement (4) include motor (41) and rack (42), motor (41) of two drive arrangement (4) are installed respectively in both sides of window frame (1), rack (42) are vertical to be installed respectively in both sides of movable window fan (2), output shaft (411) of motor (41) stretch out and are equipped with gear (412) that are used for meshing corresponding rack (42); the two sides of the window frame (1) are also respectively provided with a lifting balancer (5), the lifting balancer (5) comprises a coil spring seat (51) and a sliding block (52), at least one coil spring (511) is arranged in the coil spring seat (51), the outer ends of the coil springs (511) extend out and are directly and fixedly connected with the sliding block (52), the coil spring seats (51) of the two lifting balancers (5) are respectively fixedly arranged in vertical sliding grooves on the two sides of the window frame (1), and the sliding block (52) are respectively and slidably arranged in the vertical sliding grooves on the two sides of the window frame (1) and respectively connected with the two sides of the movable window sash (2) so as to synchronously move along with the movable window sash (2).

2. The electric lifting and pulling window driven by two sides according to claim 1, wherein the motor (41) comprises a motor body (413), a speed reducing mechanism (414) and an output gear box (416) which are connected in sequence in a transmission way, the motor body (413), the speed reducing mechanism (414) and a shell (61) of the output gear box (416) are fixedly connected together to form a motor shell, the output gear box (416) comprises a first bevel gear and a second bevel gear which are meshed with each other, the motor body (413), the speed reducing mechanism (414) and the first bevel gear are coaxially and vertically arranged, the axle center of the second bevel gear is transversely arranged and connected with the output shaft (411), the gears (412) are coaxially and detachably inserted on the output shaft (411), vertical caulking grooves (11) are formed in two sides of the window frame (1), and the motors (41) are vertically embedded in the corresponding caulking grooves (11) respectively.

3. The electric lifting and pulling window driven by two sides according to claim 1, wherein the axes of the gears (412) of the two driving devices (4) are in transmission connection through a transverse transmission shaft, and the transmission shaft is in an integrated structure or is in a spliced structure formed by sequentially connecting a plurality of short shafts in series through a connecting seat.

4. The electric lifting and pulling window driven by two sides according to claim 2, wherein the bottom of the motor housing is extended with a mounting bottom plate (417), one side of the motor housing is extended with an inclined mounting wing plate (418), screw holes (419) for screwing are formed in the mounting bottom plate (417) and the mounting wing plate (418), and an included angle between the axial direction of the screw holes (419) of the mounting wing plate (418) and the axial direction of the screw holes (419) of the mounting bottom plate (417) is larger than 0 degrees and smaller than 90 degrees.

5. The electric lifting window driven by two sides according to claim 1, further comprising a controller and a monitoring module for respectively monitoring the current or the rotation speed of the two motors (41), wherein the controller is connected with each motor (41) and the monitoring module, and when the current or the rotation speed of the two motors (41) is different or the difference between the two motors is larger than a set threshold value, the controller controls the two motors (41) to automatically adjust the current or the rotation speed to be consistent or stop running.

6. The electric lifting sliding window driven by two sides according to claim 1, wherein the vertical sliding grooves on two sides of the window frame (1) are divided into an inner sliding groove (12) and an outer sliding groove (13), the inner sliding groove (12) is communicated with the outer sliding groove (13), the inner sliding groove (12) is used for placing one lifting balancer (5) or a plurality of lifting balancers (5) stacked along the depth direction of the inner sliding groove (12), the outer sliding groove (13) is used for placing matched guide limiting blocks (6), at least two guide limiting blocks (6) are arranged in each outer sliding groove (13), the guide limiting blocks (6) are respectively connected with an upper frame and a lower frame of the movable window sash (2) and synchronously lift, shaft holes (523) are respectively formed in the lower guide limiting blocks (6) and the sliding blocks (52) on the corresponding sides, two sides of the lower frame of the movable window sash (2) are respectively fixedly provided with pin shafts (7) extending towards the two sides, and the extending ends of the pin shafts (7) sequentially penetrate through the guide limiting blocks (6) on the corresponding sides and are connected with the shaft holes (523) on the sliding blocks (52) on the corresponding sides.

7. The electric lift window of claim 6, wherein the guide stopper (6) comprises a housing (61) and at least two rollers (62) disposed in the housing (61), wherein at least one roller (62) is exposed from the left and right side walls of the housing (61), and the rollers (62) roll on the side walls of the outer chute (13) when the housing (61) moves up and down in the outer chute (13).

8. The electric lifting and pulling window driven by two sides according to claim 1, wherein a fixed window sash (3) is further arranged in the window frame (1), the movable window sash (2) is located at the outer side of the fixed window sash (3), the rack (42) is arranged facing the fixed window sash (3), and an avoidance groove (31) is formed in a position, corresponding to the rack (42), on the frame body of the fixed window sash (3).

9. The electric lifting and pulling window driven by two sides according to claim 1, wherein the left and right sides of the slider (52) are respectively provided with a coil spring connection structure, the coil spring connection structure comprises a hanging protrusion (521) and a fastening hole which are vertically arranged at intervals, the tail end of the coil spring (511) is provided with a prefabricated extension section (5111), the prefabricated extension section (5111) naturally extends out of the coil spring seat (51) without external force, the tail end of the prefabricated extension section (5111) is provided with a first perforation (5112) and a second perforation (5113) which correspond to the hanging protrusion (521) and the fastening hole, the number of the coil springs is at least two, the coil springs extend out of the left and right sides of the coil spring seat respectively and are connected with the left and right sides of the slider, the first perforation (5112) of each coil spring (511) on the same side is sleeved outside the hanging protrusion (521) for hanging, and the second perforation (5113) is opposite to the fastening hole and is fixedly connected with the fastening screw (522).

10. The electric lifting and sliding window driven by two sides according to claim 9, wherein a plurality of coil springs (511) are installed in the coil spring seat (51), at least two coil springs (511) are arranged up and down, the prefabricated extension sections (5111) of the two coil springs (511) are different in length, and when the sliding block (52) abuts against the end part of the coil spring seat (51), the length of the prefabricated extension section (5111) of each coil spring (511) just enables the coil spring (511) to be fixedly connected with the sliding block (52); the preformed extension (5111) of each coil spring (511) extends tangentially from the coil spring (511) and in a parabolic shape towards the slider (52).