CN213248277U - Non-track curtain transmission device and intelligent curtain - Google Patents

Abstract

The utility model relates to a non-track curtain transmission device and an intelligent curtain, which comprises two winding assemblies, two transmission assemblies, a driving assembly and a motor, wherein each winding assembly is respectively connected with one transmission assembly through a winding rope, the two transmission assemblies are respectively connected with the driving assembly in a mesh tooth meshing mode, the driving assembly is connected with the motor through a positioning assembly provided with an electromagnetic sleeve, the driving assembly is provided with a first main driving wheel and a second main driving wheel which are coaxial and do not contact with each other, the first main driving wheel is axially parallel to the first gear and is connected with each other in a mesh tooth meshing mode, the first gear is axially vertical to a transmission gear in the first transmission assembly and is connected with each other in a mesh tooth meshing mode, the second main driving wheel is axially parallel to the second gear and is connected with each other in a mesh tooth meshing mode, the second gear is axially vertical to the transmission gear in the second transmission assembly and is connected with each other in a mesh tooth meshing mode, the arrangement of the multilayer curtain without the rail is realized.

Description

Non-track curtain transmission device and intelligent curtain

Technical Field

The utility model relates to a (window) curtain apparatus technical field especially relates to a no orbital (window) curtain transmission and intelligent (window) curtain.

Background

The existing electric intelligent curtain is mainly designed to be formed by assembling various components such as a motor, a guide rail, a synchronous belt, a gear box, a clutch and the like, and has a complex structure and high manufacturing cost. When installing multilayer curtains, one curtain rail can be selected for installation, or the same number of rails as the number of curtain layers can be selected for installation of each layer of curtain, wherein if one curtain rail is used for installation of the multilayer curtains, each layer must be opened or closed simultaneously, and sometimes, the curtain rails can be controlled independently, so that the curtains can be selectively used. However, the multi-layer guide rail is high in cost, complex in process during installation, and prone to influence of heavy and unsafe curtain frames. Therefore, how to make the curtain driving device easy to install, the multilayer curtain can be opened independently and expensive tracks are not used, and the technical problem to be solved is needed.

Chinese patent CN110680167A discloses a curtain driving device and an electric curtain, the curtain driving device includes a connecting seat, a clutch output shaft, a clutch frame, a plurality of clutch plates, a driving assembly and a reset mechanism, one end of the clutch plate forms a free end, when the clutch plate is at a first station, the free end of the clutch plate is separated from the inner wall of the connecting seat, when the clutch plate is at a second station, the free end of the clutch plate is matched with the inner wall of the connecting seat; the driving assembly comprises a power output shaft, the power output shaft is circumferentially fixed with the clutch frame, the axis of the power output shaft is overlapped with the axis of the clutch output shaft, and when the driving assembly is in a working state, the clutch plate is switched to a second station to drive the connecting seat to synchronously rotate along with the power output shaft; when the driving assembly is in a non-working state, the clutch plate is driven by the reset mechanism to reset from the second station to the first station. Although the curtain driving device and the electric curtain improve the problem of obvious hysteresis of power transmission between the motor and the bidirectional overrunning clutch in the prior art. However, the curtain driving device still needs to be installed in cooperation with the track, and the installation without the track cannot be carried out.

Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the inventor studied a lot of documents and patents when making the present invention, but the space did not list all details and contents in detail, however, this is by no means the present invention does not possess these prior art features, but on the contrary the present invention has possessed all features of the prior art, and the applicant reserves the right to increase the related prior art in the background art.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a non-track curtain transmission device, which is characterized in that the curtain transmission device comprises at least two winding components, at least two transmission components, a driving component and a motor, wherein each winding component is respectively connected with one transmission component through a winding rope, two transmission components are respectively connected with the driving component in a mesh tooth meshing way, the driving component is connected with the motor through a positioning component provided with an electromagnetic sleeve, wherein, the driving component is provided with a first main driving wheel and a second main driving wheel which are coaxial and not in contact with each other, the first main driving wheel is parallel to the axial direction of a first gear and is connected with the first gear in a mesh tooth meshing way, the first gear is vertical to the axial direction of a transmission gear in the first transmission component and is connected with each other in a mesh tooth meshing way, the second main driving wheel is parallel to the second gear in the axial direction and connected with the second gear in a mesh meshing mode, the second gear is perpendicular to the transmission gear in the second transmission assembly in the axial direction and connected with the transmission gear in the mesh meshing mode, the first transmission assembly and/or the second transmission assembly rotate under the transmission of the transmission gear in the process that the first main driving wheel and/or the second main driving wheel rotate based on the driving of the motor, and the wire winding assembly rotates along with the first transmission assembly or the second transmission assembly connected with the wire winding assembly through the winding rope. The utility model discloses can realize not needing to set up orbital multilayer (window) curtain's setting, can close alone between the multilayer (window) curtain and open.

Preferably, the transmission assembly at least comprises a transmission shaft, a first transmission bearing arranged at one end of the transmission shaft and a second transmission bearing arranged at the other end of the transmission shaft, the transmission gear penetrates through the transmission shaft and is adjacent to the second transmission bearing, and the transmission gear is fixed on the transmission shaft and the gear teeth are arranged towards the first transmission bearing. The transmission assembly is arranged, so that the winding assembly and the main driving wheel can be in rotation transmission, and the limitation that a track must be used is avoided. Heavy rails are placed above the window, requiring multiple people to install and cumbersome installation processes, with the risk of falling if not maintained. The utility model discloses a pulley replaces the track with being connected of spiral subassembly, has simplified mounting process, has avoided the limitation of many people installation, and the spiral is lighter and graceful moreover, does not have the danger of hanging in the window top.

Preferably, the second transmission bearing is provided with at least one limiting piece in a penetrating mode, and one end of the winding rope is fixed between the limiting piece and the transmission gear, so that the winding rope is retracted or unfolded along with rotation of the transmission shaft. The arrangement of the limiting pieces is beneficial to avoiding the rotation and the displacement of the coiled rope, so that the coiled rope can be regularly coiled.

Preferably, the winding assembly comprises a positioning column, a spiral spring and a winding wheel which are arranged on the inner side of the shell, wherein the spiral spring is arranged in an inner cavity of the winding wheel and penetrates through the positioning column. The positioning column is provided with at least one positioning groove, a first bent elastic end of the volute spiral spring is clamped and fixed on the positioning column through the positioning groove, and a second bent elastic end of the volute spiral spring is clamped and fixed on the inner side of the winding wheel through a clamping groove in the side wall of the winding wheel. The advantage that so set up lies in, at the rotatory in-process of spiral subassembly, can carry out the spiral based on the power of transmission assembly and pay off fast based on elasticity, realize the closure and the separation of (window) curtain.

Preferably, locating component is that one end is provided with the bellied pole of two at least location, first main drive wheel runs through first spacing hole locating component and with the protruding block in location, the second main drive wheel runs through the spacing hole of second locating component and with the protruding block in location the locating component is followed the axial displacement's of first main drive wheel in-process, locating component passes through the protruding and first main drive wheel of location or the mutual block mode of second main drive wheel comes with first main drive wheel or the second main drive wheel rotates jointly. The arrangement has the advantage that the first main driving wheel and the second main driving wheel can independently rotate without connection, and independent opening and closing of the multilayer curtain are achieved.

Preferably, an electromagnetic sleeve is sleeved between the positioning protrusion of the positioning assembly and the motor, at least one elastic assembly penetrating through the positioning assembly is arranged between the electromagnetic sleeve and the motor, and under the condition that the electromagnetic sleeve is electrified, the positioning assembly is displaced to a position where the positioning protrusion is clamped with the first main driving wheel based on the magnetic action of the electromagnetic sleeve,

under the condition that the electromagnetic sleeve is powered off, the positioning assembly moves to a position enabling the positioning protrusion to be clamped with the second main driving wheel based on the elastic force action of the elastic assembly. The utility model discloses can realize the rotation control of second main drive wheel through the elasticity subassembly, can save the required energy of control positioning assembly aversion.

Preferably, one end of the first transmission bearing in the transmission assembly is fixed in contact with a limit point at a corresponding position of the housing, and one end of the second transmission bearing in the transmission assembly is fixed in contact with a limit point at a corresponding position of the housing, so that the transmission assembly can rotate in the housing based on the rotation of the gear. The shell can protect the whole structure of the transmission device, keep cleanness, prolong the service life and fix the position of the internal part without displacement.

The utility model also relates to a trackless intelligent curtain, which is characterized in that the intelligent curtain at least comprises a curtain, two pulleys and at least one curtain transmission device, the first pulley is connected with the first winding component through a winding rope, the winding rope at the two sides of the first pulley is respectively provided with a limit ring connected with the moving ring of the first layer curtain, the second pulley is connected with the second winding component through a winding rope, the winding rope at the two sides of the second pulley is respectively provided with a limit ring connected with the moving ring of the second layer curtain, the curtain transmission device comprises at least two winding components, at least two transmission components, a driving component and a motor, each winding component is respectively connected with one transmission component through a winding rope, the two transmission components are respectively connected with the driving component in a mesh tooth meshing way, the driving component is connected with the motor through a positioning component provided with an electromagnetic sleeve, wherein the driving component is provided with a first main driving wheel and a second main driving wheel which are coaxial and are not contacted with each other, the first main driving wheel and the first gear are axially parallel and are connected with each other in a mesh manner, the first gear is perpendicular to the axial direction of the transmission gear in the first transmission assembly and is connected with the transmission gear in a mesh manner, the second main driving wheel and the second gear are axially parallel and are connected with each other in a mesh manner, the second gear is perpendicular to the axial direction of the transmission gear in the second transmission assembly and is connected with the transmission gear in a mesh manner, during the rotation of the first main driving wheel and/or the second main driving wheel based on the driving of the motor, the first transmission assembly and/or the second transmission assembly rotate under the transmission of the transmission gear respectively, and the coiling assembly rotates along with the first transmission assembly or the second transmission assembly connected with the coiling assembly through the coiling rope. The intelligent curtain overcomes the defect that a heavy track is needed, and free control of independent opening and closing between two layers of curtains can be realized.

Preferably, the transmission assembly at least comprises a transmission shaft, a first transmission bearing arranged at one end of the transmission shaft and a second transmission bearing arranged at the other end of the transmission shaft, the transmission gear penetrates through the transmission shaft and is adjacent to the second transmission bearing, and the transmission gear is fixed on the transmission shaft and the gear teeth are arranged towards the first transmission bearing. This transmission assembly in intelligent (window) curtain has avoided the drawback that the track set up, has realized carrying out convenient, light control that opens alone to the window curtain through the spiral. Heavy rails are placed above the window, requiring multiple people to install and cumbersome installation processes, with the risk of falling if not maintained. The utility model discloses a pulley replaces the track with being connected of spiral subassembly, has simplified mounting process, has avoided the limitation of many people installation, and the spiral is lighter and graceful moreover, does not have the danger of hanging in the window top.

Drawings

FIG. 1 is a general schematic view of the curtain driving device of the present invention;

FIG. 2 is a schematic view of a transmission assembly of the window covering transmission;

FIG. 3 is a schematic view of the cord reel assembly of the window covering drive;

FIG. 4 is a schematic view of the drive assembly of the window covering transmission; and

fig. 5 is a schematic view of the installation structure of the intelligent curtain.

List of reference numerals

1: a housing; 11: a wire winding assembly; 12: a transmission assembly; 15: rope rolling; 21: a first gear; 22: a second gear; 23: a first main drive wheel; 24: a second main drive wheel; 25: an electromagnetic sleeve; 26: a positioning assembly; 27: an elastic component; 28: a motor; 29: a first pulley; 30: a second pulley; 111: a winding wheel; 112: a volute spiral spring; 1121: a first elastic end; 1122: a second elastic end; 113: a positioning column; 1131: positioning a groove; 121: a first drive bearing; 122: a drive shaft; 123: a transmission gear; 124: a second drive bearing; 125: a limiting sheet; 231: a first limit hole; 241: a second limiting hole; 261: positioning the projection; s1: a first layer of window covering; s2: a second layer of window covering.

Detailed Description

The following detailed description is made with reference to the accompanying drawings.

Example 1

To the deficiency of the prior art, the utility model provides a no orbital (window) curtain transmission, its characterized in that, the (window) curtain transmission includes two at least spiral subassemblies 11, two at least drive assembly 12, drive assembly and motor 28, as shown in fig. 1. Each winding assembly 11 is connected to a respective transmission assembly 12 by means of a winding rope 15, the two transmission assemblies 12 are connected to respective drive assemblies in a mesh engagement manner, and the drive assemblies are connected to a respective motor 28 by means of a positioning assembly 26 provided with an electromagnetic sleeve 25. Wherein the drive assembly is provided with a first main drive wheel 23 and a second main drive wheel 24 which are coaxial and not in contact with each other. The first main driving wheel 23 is axially parallel to the first gear wheel 21 and is connected to the first gear wheel 21 in a mesh engagement manner, and the first gear wheel 21 is axially perpendicular to the transmission gear 123 in the first transmission assembly and is connected to the transmission gear wheel 123 in a mesh engagement manner. The second main driving wheel 24 is parallel to the axial direction of the second gear 22 and is connected with the second gear 22 by means of mesh engagement, and the second gear 22 is perpendicular to the axial direction of the transmission gears in the second transmission assembly and is connected with the transmission gears in the second transmission assembly by means of mesh engagement. During the rotation of the first main driving wheel 23 and/or the second main driving wheel 24 based on the driving of the motor 28, the first transmission assembly and/or the second transmission assembly respectively rotate under the driving of the transmission gear 123, and the reeling assembly 11 rotates with the first transmission assembly or the second transmission assembly connected thereto through the reeling rope. The utility model discloses can realize not needing to set up orbital multilayer (window) curtain's setting, can close alone between the multilayer (window) curtain and open.

Preferably, the relative positions of the first gear and the first main driving wheel and the relative positions of the second gear and the second main driving wheel in the meshed meshing relationship are relatively fixed by clamping columns, clamping grooves and the like at corresponding positions in the shell 1, so that the first gear and the second gear cannot be dislocated. For example, the first gear and the second gear are prevented from being dislocated by connecting bolts with the first gear and the second gear through the through holes of the shell, and the first gear and the second gear are allowed to rotate.

Preferably, as shown in fig. 2, the transmission assembly 12 includes at least a transmission shaft 122, a first transmission bearing 121 disposed at one end of the transmission shaft, and a second transmission bearing 124 disposed at the other end of the transmission shaft. The transmission gear 123 penetrates the transmission shaft 122 and is disposed adjacent to the second transmission bearing 124, the transmission gear 123 is fixed on the transmission shaft 122, and the gear teeth are disposed toward the first transmission bearing 121. The transmission assembly is arranged, so that the winding assembly and the main driving wheel can be in rotation transmission, and the limitation that a track must be used is avoided. Heavy rails are placed above the window, requiring multiple people to install and cumbersome installation processes, with the risk of falling if not maintained. The utility model discloses a pulley replaces the track with being connected of spiral subassembly, has simplified mounting process, has avoided the limitation of many people installation, and the spiral is lighter and graceful moreover, does not have the danger of hanging in the window top.

Preferably, as shown in fig. 2, at least one position-limiting piece 125 is disposed on the second transmission bearing 124 in a penetrating manner, and one end of the winding rope is fixed between the position-limiting piece 125 and the transmission gear 123, so that the winding rope is contracted or expanded along with the rotation of the transmission shaft 122. The arrangement of the limiting pieces is beneficial to avoiding the rotation and the displacement of the coiled rope, so that the coiled rope can be regularly coiled.

Preferably, as shown in fig. 3, the winding reel assembly 11 includes a positioning post 113, a spiral spring 112 and a winding reel 111 disposed inside the housing 1. The spiral spring 112 is disposed in the inner cavity of the winding wheel 111 and penetrates the positioning pillar 113. Positioning post 113 is provided with at least one positioning groove 1131. First elastic end 1121 of spiral spring 112 with a bend is fixed on positioning pillar 113 by positioning slot 1131. The second elastic end 1122 of the spiral spring 112 having a bend is engaged with the inner side of the winding wheel 111 by a locking groove of the side wall of the winding wheel 111. The advantage that so set up lies in, at the rotatory in-process of spiral subassembly, can carry out the spiral based on the power of transmission assembly and pay off fast based on elasticity, realize the closure and the separation of (window) curtain.

Preferably, as shown in fig. 4, the positioning assembly 26 is a rod having at least two positioning protrusions 261 at one end thereof, and the first main driving wheel 23 penetrates through the positioning assembly 26 through the first limiting hole 231 and is engaged with the positioning protrusions 261. The second main driving wheel 24 passes through the positioning assembly 26 through the second limiting hole 241 and is engaged with the positioning protrusion 261. The shape of the first limiting hole is matched with that of the positioning bulge and is non-circular. The shape of the first limiting hole may be any shape capable of being engaged with each other to prevent the first limiting hole from rotating relative to each other, such as a pentagon, a triangle, an irregular shape, and the like. The arrangement of the second limiting hole is the same as that of the first limiting hole. During the axial displacement of the positioning assembly 26 along the first main driving wheel 23, the positioning assembly 26 rotates together with the first main driving wheel 23 or the second main driving wheel 24 by means of the mutual engagement of the positioning protrusion 261 and the first main driving wheel 23 or the second main driving wheel 24. The arrangement has the advantage that the first main driving wheel and the second main driving wheel can independently rotate without connection, and independent opening and closing of the multilayer curtain are achieved.

Preferably, as shown in fig. 4, an electromagnetic sleeve 25 is sleeved between the positioning protrusion 261 of the positioning assembly 26 and the motor 28. At least one elastic component 27 penetrating the positioning component 26 is arranged between the electromagnetic sleeve 25 and the motor 28. The elastic component is a spring. The number of the springs may be one or more. When the electromagnetic sleeve 25 is energized, the positioning member 26 is displaced to a position where the positioning projection 261 engages with the first main driving wheel 23 based on the magnetic force action of the electromagnetic sleeve 25. In the case where the electromagnetic sleeve 25 is deenergized, the positioning member 26 is displaced to a position where the positioning projection 261 engages with the second main driving wheel 24 based on the elastic force of the elastic member 27. The utility model discloses can realize the rotation control of second main drive wheel through the elasticity subassembly, can save the required energy of control positioning assembly aversion.

Preferably, one end of the first transmission bearing 121 in the transmission assembly 12 is fixed in contact with a limit point at a corresponding position of the housing, and one end of the second transmission bearing 124 in the transmission assembly 12 is fixed in contact with a limit point at a corresponding position of the housing, so that the transmission assembly 12 can rotate in the housing based on the rotation of the gear. The shell can protect the whole structure of the transmission device, keep cleanness, prolong the service life and fix the position of the internal part without displacement.

Example 2

As shown in fig. 5, the utility model also relates to a trackless intelligent curtain, which at least comprises a curtain, two pulleys and at least one curtain transmission device. The first pulley 29 is connected to the first take-up assembly by the take-up line 15. The rolling ropes 15 on two sides of the first pulley are respectively provided with a limiting ring connected with the moving ring of the first layer curtain S1. Second pulley 30 is connected to the second wire winding assembly by a wire winding cord 15. The rolling ropes 15 at two sides of the second pulley are respectively provided with a limiting ring connected with the moving ring of the second layer curtain S2. The curtain transmission device comprises at least two winding assemblies 11, at least two transmission assemblies 12, a driving assembly and a motor 28. Each of the winding assemblies 11 is connected to one of the driving assemblies 12 through a winding rope 15, and the two driving assemblies 12 are connected to the driving assembly in a mesh manner. The drive assembly is connected to a motor 28 via a positioning assembly 26 provided with an electromagnetic sleeve 25. Wherein the drive assembly is provided with a first main drive wheel 23 and a second main drive wheel 24 which are coaxial and not in contact with each other. The first main drive wheel 23 is axially parallel to the first gear wheel 21 and is connected to one another in a mesh-like manner. The first gear 21 is perpendicular to the axial direction of the transmission gear 123 in the first transmission assembly and is connected to each other by means of a mesh engagement. The second main drive wheel 24 is axially parallel to the second gear wheel 22 and is connected to each other in a mesh-like manner. The second gear 22 is axially perpendicular to the drive gears in the second drive assembly and is connected to each other in a mesh engagement. During the rotation of the first main driving wheel 23 and/or the second main driving wheel 24 based on the driving of the motor 28, the first transmission assembly and/or the second transmission assembly respectively rotate under the driving of the transmission gear 123, and the reeling assembly 11 rotates with the first transmission assembly or the second transmission assembly connected thereto through the reeling rope. The intelligent curtain overcomes the defect that a heavy track is needed, and free control of independent opening and closing between two layers of curtains can be realized.

Preferably, the transmission assembly 12 includes at least a transmission shaft 122, a first transmission bearing 121 disposed at one end of the transmission shaft, and a second transmission bearing 124 disposed at the other end of the transmission shaft. The drive gear 123 extends through the drive shaft 122 and is disposed adjacent to the second drive bearing 124. The transmission gear 123 is fixed on the transmission shaft 122 and the gear teeth are disposed toward the first transmission bearing 121. This transmission assembly in intelligent (window) curtain has avoided the drawback that the track set up, has realized carrying out convenient, light control that opens alone to the window curtain through the spiral. Heavy rails are placed above the window, requiring many people to install and the installation process is cumbersome, with the risk of dropping if not maintained. The utility model discloses a pulley replaces the track with being connected of spiral subassembly, has simplified mounting process, has avoided the limitation of many people installation, and the spiral is lighter and graceful moreover, does not have the danger of hanging in the window top.

The motor of the utility model adopts a micro motor for a curtain structure. For example, the motor is a satellite heat dissipation motor. The miniature heat dissipation motor strengthens heat dissipation miniature motor shell, strengthen heat dissipation miniature motor output shaft, the water-cooling heat transfer pipeline, the metal heat transfer board, strengthen heat dissipation miniature motor rotor, bearing portion inside buffering layer that takes precautions against earthquakes, bearing portion oil storage lubricating layer, bearing portion leak protection oil facility, strengthen heat dissipation miniature motor stator, the afterbody fan, strengthen heat dissipation miniature motor back cover, circulating water pump, a heat exchanger, the louvre, the export of water-cooling heat transfer pipeline, miniature motor strengthens the heat dissipation equipment part including strengthening heat dissipation miniature motor output shaft, the water-cooling heat transfer pipeline, the metal heat transfer board, the afterbody fan, circulating water pump, a heat exchanger, louvre and the export of water. When the motor works, the tail fan is connected to the output shaft of the heat dissipation-enhancing micro motor, so that heat can be dissipated by utilizing the rotating energy of the output shaft, and is blown out through the heat dissipation holes.

The curtain transmission device of the utility model has the working principle that:

the controller is the existing curtain controller and is provided with a power-on switch and a power supply which correspond to functions.

After the connection of the motor, the electromagnetic sleeve and the controller is completed, a switch of the electromagnetic sleeve is pressed to select and rotate the layer of the curtain. When the electromagnetic sleeve is electrified, the positioning component moves into the first limiting hole of the first main driving wheel, and then the first layer of curtain moves. The motor starts positive rotation to drive the positioning assembly to rotate. The first main driving wheel is clamped with the positioning protrusion on the positioning assembly and drives the first gear meshed with the first main driving wheel to rotate. The first gear drives the transmission gear meshed with the first gear to rotate. The rope on the transmission component starts to pay off, and meanwhile, the rotating winding wheel pulls the spiral spring to contract, and the first layer of curtain is opened towards the directions B1 and B2 respectively. The spiral spring is accumulated with elastic potential energy. In the process of closing the curtain, the motor rotates reversely to drive the transmission assembly to rotate to release the winding rope, the winding assembly rotates to wind up under the action of the elastic potential energy of the volute spiral spring, and the first layer of curtain is closed.

When the electromagnetic sleeve is powered off, the positioning assembly moves to a second limiting hole of the second main driving wheel under the action of the elastic force of the elastic assembly, the second gear, the second transmission assembly and the second winding assembly rotate, and the second layer of window curtain moves. The subsequent moving principle of the second layer of window curtain is completely the same as that of the first layer of window curtain. The second layer of window curtain is opened or closed towards the A1 and A2 directions respectively.

Preferably, the utility model provides an electromagnetic sleeve and the structure that elastic component formed can adopt over-and-under type multistage cylinder or doublestage cylinder to replace to the realization is to the control of locating component's displacement.

Be applied to intelligent (window) curtain's advantage with this multistage cylinder, can remove positioning component's displacement accurately for positioning component's location bump can with the accurate block of initiative drive wheel, the main drive wheel stall of avoiding the block dislocation to lead to.

The utility model discloses can drive a plurality of initiative drive wheels simultaneously through using a motor, realize the independent setting of opening and shutting of more multilayer (window) curtain, can save the shared space of (window) curtain transmission.

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

Claims (10)

1. A trackless curtain driving device is characterized in that the curtain driving device comprises at least two winding components (11), at least two driving components (12), a driving component and a motor (28),

each winding assembly (11) is respectively connected with one transmission assembly (12) through a winding rope (15), the two transmission assemblies (12) are respectively connected with a driving assembly in a mesh manner, the driving assembly is connected with a motor (28) through a positioning assembly (26) provided with an electromagnetic sleeve (25), wherein the driving assembly is provided with a first main driving wheel (23) and a second main driving wheel (24) which are coaxial and do not contact with each other,

the first main driving wheel (23) is parallel to the axial direction of the first gear (21) and is connected with the first gear (21) in a meshing manner, the first gear (21) is vertical to the axial direction of the transmission gear (123) in the first transmission assembly and is connected with the first gear (123) in a meshing manner,

the second main driving wheel (24) and the second gear (22) are axially parallel and are connected with each other in a mesh manner, the second gear (22) and the transmission gear in the second transmission assembly are axially vertical and are connected with each other in a mesh manner,

during the rotation of the first main driving wheel (23) and/or the second main driving wheel (24) based on the driving of the motor (28), the first transmission assembly and/or the second transmission assembly respectively rotate under the transmission of the transmission gear (123), and the wire coiling assembly (11) rotates along with the first transmission assembly or the second transmission assembly connected with the wire coiling assembly through a coiling rope.

2. The drive for a trackless window covering according to claim 1, wherein the drive assembly (12) comprises at least a drive shaft (122), a first drive bearing (121) disposed at one end of the drive shaft, and a second drive bearing (124) disposed at the other end of the drive shaft,

the transmission gear (123) penetrates through the transmission shaft (122) and is adjacent to the second transmission bearing (124), the transmission gear (123) is fixed on the transmission shaft (122) and the gear teeth are arranged towards the first transmission bearing (121).

3. A trackless window curtain driving device as claimed in claim 2, wherein at least one limiting piece (125) is provided on the second driving bearing (124) in a penetrating manner, and an end of the winding rope is fixed between the limiting piece (125) and the driving gear (123), so that the winding rope is contracted or expanded along with the rotation of the driving shaft (122).

4. The trackless window curtain transmission according to claim 3, wherein the winding assembly (11) comprises a positioning post (113), a spiral spring (112) and a winding wheel (111) arranged inside the housing (1), wherein,

the spiral spring (112) is arranged in the inner cavity of the winding wheel (111) and penetrates through the positioning column (113).

5. The trackless window curtain transmission device as claimed in claim 4, wherein the positioning pillar (113) is provided with at least one positioning groove (1131), the first elastic end (1121) of the spiral spring (112) with a bend is clamped on the positioning pillar (113) through the positioning groove (1131),

and a second elastic end (1122) with a bend of the scroll spring (112) is clamped and fixed on the inner side of the winding wheel (111) through a clamping groove on the side wall of the winding wheel (111).

6. The trackless window curtain transmission device of claim 5, wherein the positioning member (26) is a rod having at least two positioning protrusions (261) at one end, the first main driving wheel (23) penetrates the positioning member (26) through a first limiting hole (231) and is engaged with the positioning protrusions (261),

the second main driving wheel (24) penetrates through the positioning component (26) through a second limiting hole (241) and is clamped with the positioning bulge (261),

during the axial displacement of the positioning component (26) along the first main driving wheel (23), the positioning component (26) and the first main driving wheel (23) or the second main driving wheel (24) rotate together through the mutual clamping mode of the positioning protrusion (261) and the first main driving wheel (23) or the second main driving wheel (24).

7. A trackless window curtain transmission as claimed in claim 6, wherein an electromagnetic sleeve (25) is provided between the positioning protrusion (261) of the positioning member (26) and the motor (28), at least one resilient member (27) extending through the positioning member (26) is provided between the electromagnetic sleeve (25) and the motor (28),

when the electromagnetic sleeve (25) is energized, the positioning assembly (26) is displaced to a position where the positioning projection (261) engages with the first main drive wheel (23) based on the magnetic force action of the electromagnetic sleeve (25),

when the electromagnetic sleeve (25) is deenergized, the positioning member (26) is displaced to a position where the positioning projection (261) engages with the second main drive wheel (24) based on the elastic force of the elastic member (27).

8. A trackless window curtain transmission as claimed in any preceding claim, wherein the first drive bearing (121) in the drive assembly (12) is fixed at one end to a stop point at a corresponding location on the housing,

one end of a second transmission bearing (124) in the transmission assembly (12) is in contact fixation with a limit point at a corresponding position of the shell,

such that the transmission assembly (12) is rotatable within the housing based on rotation of the gear.

9. A trackless intelligent curtain is characterized by at least comprising a curtain, two pulleys and at least one curtain transmission device,

the first pulley is connected with the first coiling assembly through a coiling rope (15), the coiling ropes (15) at two sides of the first pulley are respectively provided with a limit ring connected with the moving ring of the first layer of curtain (S1),

the second pulley is connected with the second winding component through a winding rope (15), the winding ropes (15) at two sides of the second pulley are respectively provided with a limit ring connected with the moving ring of the second layer of curtain (S2),

the curtain transmission device comprises at least two winding assemblies (11), at least two transmission assemblies (12), a driving assembly and a motor (28),

each winding assembly (11) is respectively connected with one transmission assembly (12) through a winding rope (15), the two transmission assemblies (12) are respectively connected with a driving assembly in a mesh manner, the driving assembly is connected with a motor (28) through a positioning assembly (26) provided with an electromagnetic sleeve (25), wherein the driving assembly is provided with a first main driving wheel (23) and a second main driving wheel (24) which are coaxial and do not contact with each other,

the first main driving wheel (23) is parallel to the axial direction of the first gear (21) and is connected with the first gear (21) in a meshing manner, the first gear (21) is vertical to the axial direction of the transmission gear (123) in the first transmission assembly and is connected with the first gear (123) in a meshing manner,

the second main driving wheel (24) and the second gear (22) are axially parallel and are connected with each other in a mesh manner, the second gear (22) and the transmission gear in the second transmission assembly are axially vertical and are connected with each other in a mesh manner,

during the rotation of the first main driving wheel (23) and/or the second main driving wheel (24) based on the driving of the motor (28), the first transmission assembly and/or the second transmission assembly respectively rotate under the transmission of the transmission gear (123), and the wire coiling assembly (11) rotates along with the first transmission assembly or the second transmission assembly connected with the wire coiling assembly through a coiling rope.

10. A trackless smart window covering as claimed in claim 9, wherein the drive assembly (12) comprises at least a drive shaft (122), a first drive bearing (121) disposed at one end of the drive shaft, and a second drive bearing (124) disposed at the other end of the drive shaft,

the transmission gear (123) penetrates through the transmission shaft (122) and is adjacent to the second transmission bearing (124), the transmission gear (123) is fixed on the transmission shaft (122) and the gear teeth are arranged towards the first transmission bearing (121).

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