CN213597842U

CN213597842U - Electric lifting type window shade

Info

Publication number: CN213597842U
Application number: CN202020960154.6U
Authority: CN
Inventors: 邓扬礼; 徐海生
Original assignee: Foshan Hans Building Materials Technology Co ltd
Current assignee: Foshan Hans Building Materials Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-07-02
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses an electric lifting type window shade, which comprises a mounting seat, a window shade, a bracket, a lifting driving mechanism and a stroke control mechanism, wherein the lifting driving mechanism and the stroke control mechanism are fixedly connected with the mounting seat; the lifting driving mechanism comprises a motor, a reversing transmission mechanism and a winding drum, the motor and the winding drum are arranged side by side, a driving shaft of the motor is connected with a power input end of the reversing transmission mechanism, one end of the winding drum is connected with a power output end of the reversing transmission mechanism, and the other end of the winding drum is connected with the stroke control mechanism; the winding drum is fixedly provided with a winding rope, the end part of the winding rope is connected with the bracket, the winding drum is rotationally driven to wind the winding drum in a spiral mode, and the winding rope drives the bracket to lift. The utility model discloses application scope to the window width is wide, can go up and down steadily at the narrower occasion automatic drive window shade of window width.

Description

Electric lifting type window shade

Technical Field

The utility model relates to a window shade technical field especially relates to an electric lift formula window shade.

Background

With the increase of the area of the glass window and the increase of the construction of the sunlight room, the electric window shades are more and more widely applied. Compared with a hand-pulled curtain, the electric window shade has the advantages of labor saving and convenience in operation.

However, the conventional built-in electric window shades are mainly used for large-area glass windows, and cannot be installed in narrow windows such as toilets and attics due to the limitation of the length of the transverse sectional material. This is because the driving device and the stroke controller occupy a horizontal installation length, and when the length of the driving device and the stroke controller is greater than 1/3 of the window width, the installation length of the winding drum for driving the window shade to ascend and descend through the winding rope is affected, the installation position of the winding rope on the window shade is further limited, the stability of the center of gravity of the window shade during ascending and descending is affected, and the built-in window shade is damaged during ascending and descending.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an electric lift formula window shade is provided, its application scope to the window width is wide, can go up and down steadily at the narrower occasion automatic drive window shade of window width.

In order to solve the technical problem, the utility model provides an electric lifting type window shade, which comprises a mounting seat, a window shade, a bracket, a lifting driving mechanism and a stroke control mechanism, wherein the lifting driving mechanism and the stroke control mechanism are fixedly connected with the mounting seat, one end of the window shade is fixed with the bracket, and the other end is connected with the mounting seat;

the lifting driving mechanism comprises a motor, a reversing transmission mechanism and a winding drum, the motor and the winding drum are arranged side by side, a driving shaft of the motor is connected with a power input end of the reversing transmission mechanism, one end of the winding drum is connected with a power output end of the reversing transmission mechanism, and the other end of the winding drum is connected with the stroke control mechanism;

the winding drum is fixedly provided with a winding rope, the end part of the winding rope is connected with the bracket, the winding drum is rotationally driven to wind the winding drum in a spiral mode, and the winding rope drives the bracket to lift.

As an improvement of the above scheme, a first accommodating groove and a second accommodating groove which are arranged in parallel along the vertical direction, and a first positioning groove and a second positioning groove which run through the first accommodating groove and the second accommodating groove are arranged in the mounting seat;

the winding drum is arranged in the second accommodating tank, a clamping groove matched with a motor is arranged in the first accommodating tank, and the motor is clamped with the clamping groove;

the reversing transmission mechanism is connected with the first positioning groove in a clamped mode, and the stroke control mechanism is connected with the second positioning groove in a clamped mode.

As the improvement of the scheme, the top of the second accommodating groove is clamped with a rope rolling baffle cover, and the rope rolling baffle cover is provided with an inner arc surface matched with the winding drum.

As the improvement of above-mentioned scheme, the bottom of second holding tank is equipped with first locating hole, be equipped with the bracket in the first locating hole, the bracket is equipped with the serving rope through hole that the serving rope passed.

As an improvement of the scheme, the ratio of the distance between the intrados and the winding drum to the rope winding diameter is (1-1.9): 1.

as an improvement of the above scheme, the stroke control mechanism comprises a stroke support, a stroke screw, a screw nut, a stroke adjusting block and a stroke stop block, wherein the stroke adjusting block, the screw nut and the stroke stop block are sequentially arranged on the stroke screw;

the winding drum is sleeved outside the stroke stop block, and the end part of the winding drum is fixedly connected with the screw rod nut;

the stroke support is clamped in the second positioning groove and connected with the stroke screw rod.

As an improvement of the scheme, the reversing transmission mechanism comprises a driving gear, a driven gear and a gear box, the gear box is connected with the first positioning groove in a clamped mode, the driving gear and the driven gear are arranged in the gear box and are connected with a driving shaft of the motor and meshed with the driven gear, a transmission shaft is fixedly arranged on the driven gear, and the transmission shaft is fixedly connected with the winding drum.

As an improvement of the scheme, a second positioning hole and a third positioning hole are formed in the bottom of the second accommodating groove, the bottom of the gear box is clamped with the second positioning hole, and the bottom of the stroke support is clamped with the third positioning hole.

As an improvement of the above scheme, the window shade comprises a day curtain and a night curtain, the bracket comprises a middle bracket and a bottom bracket, two end parts of the night curtain are respectively connected with the mounting seat and the middle bracket, and two end parts of the day curtain are respectively connected with the middle bracket and the bottom bracket;

the rolling rope comprises a long rope and a short rope, the long rope sequentially penetrates through the night curtain, the middle bracket, the day curtain and the bottom bracket, bypasses a hole at the lower end of the bottom bracket, penetrates through the day curtain and is fixedly connected with the middle bracket;

the short rope penetrates through the night curtain and is fixedly connected with the middle bracket.

As the improvement of above-mentioned scheme, the window shade is the blind, it turns to the ladder to be equipped with the tripe on the blind, the cover is equipped with the impeller that turns over on the reel, the bracket corresponds the setting with the impeller that turns over, be equipped with the ladder via hole that the ladder passed that supplies to turn to on the bracket, the tripe turns to the ladder and passes ladder via hole and with turn over the impeller and be connected.

Implement the utility model discloses, following beneficial effect has:

the utility model provides an electric lift formula window shade, through setting up the motor, switching-over drive mechanism and reel drive window shade go up and down, wherein motor and reel set up side by side, and the drive shaft of motor is connected with switching-over drive mechanism's power input end, the reel is connected with switching-over drive mechanism's power take off end, further link to each other travel control mechanism and reel, the stroke of control reel rotation drive bracket lift, wherein switching-over drive mechanism changes power transmission direction, the tip that makes the reel can extend to ground with the window both ends as far as possible, the mounted position of serving as a roll rope on the reel can be adjusted at suitable scope, it is more stable at lift in-process focus to make the window shade, avoid built-in window shade to produce with cavity glass and collide with, be suitable for in the narrower occasion of window width very much.

Drawings

Fig. 1 is a schematic structural view of an embodiment of an electric lift type window shade of the present invention;

FIG. 2 is a schematic structural view of the lift drive mechanism, the stroke control mechanism and the mounting base of FIG. 1;

FIG. 3 is a schematic view of the day curtain and night curtain of FIG. 1 both retracted;

FIG. 4 is a schematic view of the night curtain of FIG. 1 when open;

FIG. 5 is a schematic view of the sunblind of FIG. 1 being opened;

fig. 6 is a schematic structural view of another embodiment of the electric lift shade of the present invention;

FIG. 7 is a schematic structural view of the lift drive mechanism, the travel control mechanism, and the mounting block of FIG. 5;

FIG. 8 is a schematic view of the blind of FIG. 5 when open;

FIG. 9 is a schematic view of the blind of FIG. 5 when retracted.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the present invention provides an embodiment of an electric lift type window shade 2, which comprises a mounting base 1, a window shade 2, a bracket 3, a lift driving mechanism and a travel control mechanism 5, wherein the lift driving mechanism and the travel control mechanism 5 are fixedly connected with the mounting base 1, one end of the window shade 2 is fixed with the bracket 3, and the other end is connected with the mounting base 1; the lifting driving mechanism comprises a motor 41, a reversing transmission mechanism 42 and a winding drum 43, the motor 41 and the winding drum 43 are arranged side by side, a driving shaft of the motor 41 is connected with a power input end of the reversing transmission mechanism 42, one end of the winding drum 43 is connected with a power output end of the reversing transmission mechanism 42, and the other end of the winding drum 43 is connected with the stroke control mechanism 5; the winding drum 43 is fixedly provided with a winding rope 44, the end of the winding rope 44 is connected with the bracket 3, the winding drum 43 rotates to drive the winding rope 44 to wind around the winding drum 43 in a spiral mode, and the winding rope 44 drives the bracket 3 to ascend and descend.

In the embodiment, the motor 41, the reversing transmission mechanism 42 and the winding drum 43 are arranged to drive the window blind 2 to ascend and descend, wherein the motor 41 and the winding drum 43 are arranged side by side, a driving shaft of the motor 41 is connected with a power input end of the reversing transmission mechanism 42, the winding drum 43 is connected with a power output end of the reversing transmission mechanism 42, the stroke control mechanism 5 is further connected with the winding drum 43 to control the winding drum 43 to rotate to drive the bracket 3 to ascend and descend, wherein the reversing transmission mechanism 42 changes the power transmission direction, so that the end part of the winding drum 43 can extend towards the two ends of the window as far as possible, the installation position of the winding rope 44 on the winding drum 43 can be adjusted in a proper range, the gravity center of the window blind 2 is more stable in the ascending and descending process, the collision between the built-in window blind 2 and the hollow glass is avoided, and the electric lifting window.

Specifically, referring to fig. 2, the reversing transmission mechanism 42 of the present embodiment includes a driving gear (not shown in the figure), a driven gear (not shown in the figure) and a gear box 421, the driving gear and the driven gear are disposed in the gear box 421, the driving gear is connected to a driving shaft of the motor 41 and is engaged with the driven gear, a transmission shaft 422 is fixedly disposed on the driven gear, a reel cover 431 is disposed at a driving end of the reel 43, the reel cover 431 is provided with an insertion hole adapted to the transmission shaft 422, and the transmission shaft 422 extends into the insertion hole of the reel cover 431. The cross-section of the insertion hole of the reel cover 431 and the cross-section of the transmission shaft 422 are both polygonal.

The stroke control mechanism 5 of the present embodiment includes a stroke support 51, a stroke screw 52, a screw nut 53, a stroke adjusting block 54 and a stroke stop block 55, wherein the stroke adjusting block 54, the screw nut 53 and the stroke stop block 55 are sequentially disposed on the stroke screw 52; the winding drum 43 is sleeved outside the stroke stop block 55, and the end part of the winding drum is fixedly connected with the screw rod nut 53; the travel support 51 is connected to a travel screw 52.

Because in the narrower occasion of window width, the driver part installation space of window shade 2 is little, for easy to assemble, be equipped with in the mount pad 1 of this embodiment along vertical direction parallel arrangement's first holding tank 11 and second holding tank 12 to and link up first constant head tank 13 and the second constant head tank 14 of first holding tank 11 and second holding tank 12, and set up the sliding closure 6 that covers first constant head tank 13 and second constant head tank 14 on mount pad 1. Wherein, be equipped with the draw-in groove 411 with motor 41 looks adaptation in the first holding tank 11, motor 41 and draw-in groove 411 looks joint. The gear box 421 of the reversing transmission mechanism 42 is clamped with the first positioning groove 13, and the stroke support 51 of the stroke control mechanism 5 is clamped with the second positioning groove 14. In addition, the winding drum 43 is disposed in the second accommodating groove 12, one end of the winding drum 43 is fixed to the transmission shaft 422 of the driven gear, and the other end is connected to the lead screw nut 53 of the stroke lead screw 52.

In addition, for making lift actuating mechanism and stroke control mechanism 5 be connected stably with mount pad 1, the bottom of second holding tank 12 still is equipped with second locating hole 15 and third locating hole 16, the bottom and the second locating hole 15 joint of gear box 421, the bottom and the third locating hole 16 looks joint of stroke support 51. The lifting driving mechanism and the stroke control mechanism 5 are connected with the mounting base 1 without relying on fasteners such as screws, and the mounting is more convenient.

In order to avoid the situation that the winding rope 44 is piled up and wound on the outer wall of the winding drum 43 or the winding rope 44 is stuck in the lifting process of the window shade 2, the top of the second accommodating groove 12 is provided with a winding rope blocking cover 7 in a clamping manner, and the winding rope blocking cover 7 is provided with an inner arc surface matched with the winding drum 43. The ratio of the distance between the intrados and the winding drum 43 to the diameter of the winding rope 44 is preferably (1-1.9): 1.

in addition, in order to avoid the situation that the winding rope 44 spirally wound on the winding drum 43 generates pulling force in other directions to the bracket 3 in the lifting process of the driving bracket 3, and the bracket 3 further shakes, a first positioning hole 17 is formed in the bottom of the second accommodating groove 12, a bracket 8 is arranged in the first positioning hole 17, and a winding rope through hole for the winding rope 44 to pass through is formed in the bracket 8. The rope winding through holes can enable the tension applied to the bracket 3 by each rope winding 44 to be consistent in direction.

As shown in fig. 3-5, the sunshade 2 of the present invention uses an embodiment of a day curtain 21 and a night curtain 22, the bracket 3 includes a middle bracket 31 and a bottom bracket 32, two ends of the night curtain 22 are respectively connected to the mounting seat 1 and the middle bracket 31, two ends of the day curtain 21 are respectively connected to the middle bracket 31 and the bottom bracket 32; the rolling rope 44 comprises a long rope 441 and a short rope 442, the long rope 441 sequentially passes through the night curtain 22, the middle bracket 31, the day curtain 21 and the bottom bracket 32, bypasses a hole at the lower end of the bottom bracket 32, passes through the day curtain 21, and is fixedly connected with the middle bracket 31; the short string 442 passes through the night curtain 22 and is fixedly connected to the middle bracket 31.

The working process is as follows:

as shown in fig. 5, when both the day curtain 21 and the night curtain 22 are in the retracted state, both the long string 441 and the short string 442 are wound around the drum 43 in the same direction. As shown in fig. 6, when the motor 41 is driven, the winding drum 43 rolls 4 pull ropes in the same direction to lower, the night curtain 22 is opened until the short rope 442 is completely lowered, the long rope 441 is still partially wound on the winding drum 43, and at this time, the night curtain 22 is completely opened, and the day curtain 21 is still in the retracted state.

As shown in fig. 7, when the winding drum 43 continues to roll in the same direction, since the short cord 442 is completely unwound before, the short cord 442 will be wound back to the other side of the cord passing hole by the winding drum 43, thereby driving the middle bracket 31 to ascend, and the night curtain 22 is retracted, and since the long cord 441 still partially winds on the winding drum 43, the long cord 441 will continue to be unwound, then bypasses the hole of the bottom bracket 32, moves along with the ascending of the middle bracket 31, but the bottom bracket 32 will be in a static state until the night curtain 22 is completely retracted, and at this time, the day curtain 21 will be completely opened, thereby realizing the conversion from the night curtain 22 to the day curtain 21.

Then, on the basis, when the motor 41 drives the winding drum 43 to roll in the opposite direction, the short cord 442 which is wound in the opposite direction will be lowered again, the long cord will be wound up again, the middle bracket 31 moves downward, the bottom bracket 32 remains stationary, at this time, the night curtain 22 is opened again, the day curtain 21 is closed again, until the night curtain 22 is fully opened, and the short cord 442 is again in the fully lowered state (i.e., the state shown in fig. 7), so that the conversion from the day curtain 21 to the night curtain 22 can be realized.

Continuing on this basis, the winding drum 43 is wound, and the long rope 441 and the short rope 442 are wound back to the same side, so as to lift the bottom bracket 32 and the middle bracket 31 together until the initial starting state (i.e. the state shown in fig. 5) is reached, so that the day curtain 21 and the night curtain 22 are completely retracted.

As shown in fig. 6-7, the utility model also provides an embodiment that blind 2 used blind 2, it turns to ladder 23 to be equipped with the tripe on blind 2, the cover is equipped with impeller 9 on the reel 43, bracket 8 corresponds the setting with impeller 9, be equipped with the ladder via hole that supplies to turn to the ladder and pass on bracket 8, the tripe turns to ladder 23 and passes ladder via hole and is connected with impeller 9. As shown in fig. 8-9, the opening and the retraction of the blind 2 can be realized by the motor 41 driving the drum 43 to rotate.

To sum up, implement the utility model discloses following beneficial effect has:

1. the window is particularly suitable for occasions with narrow window width, the installation position of the winding rope 44 on the winding drum 43 can be adjusted to a proper position, so that the gravity center of the window shade 2 is more stable when the window shade 2 is lifted, and the window shade 2 is prevented from colliding;

5. the rope rolling through holes arranged at the bottom of the second accommodating groove 12 can enable the directions of the tensile forces applied to the bracket 3 by the rolling ropes 44 to be consistent, and the bracket 3 and the window blind 2 are prevented from shaking;

3. the rolling rope blocking cover 7 arranged at the top of the second accommodating groove 12 can avoid the situation that the rolling rope 44 is piled and wound on the outer wall of the winding drum 43 or the rolling rope 44 is blocked when the window shade 2 is lifted, and the running reliability of the window shade 2 is high;

4. the lifting driving mechanism and the stroke control mechanism 5 are connected with the mounting base 1 without relying on fasteners such as screws, and the mounting is more convenient.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. An electric lifting type window shade is characterized by comprising a mounting seat, a window shade, a bracket, a lifting driving mechanism and a stroke control mechanism, wherein the lifting driving mechanism and the stroke control mechanism are fixedly connected with the mounting seat;

2. The motorized lift shade of claim 1, wherein the mounting base has first and second receiving slots disposed in parallel in a vertical direction, and first and second positioning slots extending through the first and second receiving slots;

3. The motorized lift shade of claim 2, wherein a cord cover is snapped into place on top of the second receiving channel, the cord cover having an inner curved surface that conforms to the drum.

4. The motorized lift shade of claim 2 or 3, wherein the second receiving channel has a first positioning hole at a bottom thereof, the first positioning hole having a bracket therein, the bracket having a cord passing hole through which the cord passes.

5. The motorized lift shade of claim 3, wherein the ratio of intrados to drum spacing to cord diameter is (1-1.9): 1.

6. the motorized lift shade of claim 5, wherein the travel control mechanism comprises a travel support, a travel lead screw, a lead screw nut, a travel adjustment block, and a travel stop block, the travel adjustment block, the lead screw nut, and the travel stop block being disposed on the travel lead screw in sequence;

7. The motorized lift shade of claim 6, wherein the reversing gear comprises a drive gear, a driven gear, and a gear housing, the gear housing being engaged with the first detent, the drive gear and the driven gear being disposed within the gear housing;

the driving gear is connected with a driving shaft of the motor and meshed with the driven gear, a transmission shaft is fixedly arranged on the driven gear, and the transmission shaft is fixedly connected with the winding drum.

8. The motorized lift shade of claim 7, wherein the second receiving cavity has a second and a third positioning hole at a bottom thereof, the gear housing having a bottom thereof engaged with the second positioning hole, and the stroke support having a bottom thereof engaged with the third positioning hole.

9. The motorized lift shade of claim 1, wherein the shade comprises a day shade and a night shade, the bracket comprising a center bracket and a bottom bracket, the night shade having ends connected to the mount and the center bracket, respectively, and the day shade having ends connected to the center bracket and the bottom bracket, respectively;

10. The motorized lift shade of claim 4, wherein the shade is a venetian blind, a venetian blind turning ladder is disposed on the venetian blind, a turning wheel is sleeved on the winding drum, the bracket is disposed corresponding to the turning wheel, a ladder via hole for passing the turning ladder is disposed on the bracket, and the venetian blind turning ladder passes through the ladder via hole and is connected to the turning wheel.