CN110735592B

CN110735592B - Automatic curtain

Info

Publication number: CN110735592B
Application number: CN201910848703.2A
Authority: CN
Inventors: 熊圣东; 俞月卫
Original assignee: Ningbo Xianfeng New Material Co Ltd
Current assignee: Ningbo Xianfeng New Material Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-09-15
Anticipated expiration: 2039-09-09
Also published as: WO2021047511A1; CN110735592A

Abstract

The invention discloses an automatic curtain, belongs to the technical field of curtains, and solves the problems of large unfolding angle, high energy consumption and inconvenience in mounting and dismounting of the conventional automatic curtain. This automatic (window) curtain includes the curtain cloth, the subassembly is received in exhibition, transmission assembly, positive and negative motor, fixed subassembly and drum subassembly, through the motion that utilizes the lead screw axle to drive the slider, thereby the motion connecting rod that promotes the connecting rod drives the bracing piece on the curtain cloth and moves together, can inwards receive the curtain cloth and close or outwards expand, realize that the automation of curtain edgewise is opened and is closed, set up gear drive simultaneously and come to transmit the motion to the lead screw axle, the accessible changes the gear ratio and reduces the required moment of torsion of output of positive and negative motor and then reach energy-conserving effect, just fix monolithic stationary on the windowsill through the marginal fixed plate simultaneously, it is all comparatively convenient to install and dismantle, this automatic (window) curtain has the energy consumption little, the convenient.

Description

Automatic curtain

Technical Field

The invention relates to the technical field of curtains, in particular to an automatic curtain.

Background

With the continuous improvement of the living standard of people, the automatic control becomes the trend of the development of modern science and technology. The automation of the curtain also has a wide market prospect, but most of the running directions of the current patents related to the automatic curtain are from top to bottom, and the curtain is not as good as the curtain rolled from the side in terms of aesthetic property.

Disclosure of Invention

The invention has been made in view of the above problems, and an object of the invention is to provide an automatic curtain which is less in energy consumption, easy to install and detach the curtain cloth, and beautiful in tightening of the curtain cloth.

To achieve the above object, the present invention provides an automatic window covering, comprising:

the curtain cloth is provided with positioning rods and supporting rods on two sides;

the unfolding and folding assembly comprises a connecting rod, a sliding block and at least two connecting blocks, two ends of the connecting rod are respectively movably connected with the sliding block and the connecting blocks, threaded holes are formed in the sliding block, the rotating directions of the threaded holes formed in the two sliding blocks are opposite, and the two connecting blocks are respectively arranged on the positioning rod and the supporting rod;

the transmission assembly is provided with a screw rod shaft, the screw rod shaft is arranged between the positioning rod and the supporting rod, and the screw rod shaft penetrates through the threaded hole to be connected with the sliding block;

the positive and negative rotation motor is connected with the transmission assembly;

and the screw rod shaft is provided with threads which are meshed with the internal threads of the threaded hole.

According to the automatic curtain, the automatic curtain further comprises a fixing assembly and a roller assembly, wherein the fixing assembly comprises an upper edge fixing plate, a lower edge fixing plate and a side edge fixing plate, the roller assembly comprises a rolling shaft, supporting plates are arranged at two ends of the rolling shaft, and two ends of the side edge fixing plate are connected with the two supporting plates.

According to the automatic curtain, the transmission assembly further comprises a first bevel gear shaft, a second bevel gear shaft and a rack, one end of the second bevel gear shaft is meshed with one end of the first bevel gear shaft, the other end of the second bevel gear shaft is meshed with the rack, and the rack is meshed with the screw shaft.

According to the automatic curtain, the positive and negative rotating motor is provided with the coupler, and the coupler is connected with the first bevel gear shaft.

According to the automatic curtain, the positioning rod is provided with the positioning through groove, one end of the curtain cloth is wound on the rolling shaft, the other end of the curtain cloth penetrates through the positioning through groove to be arranged at one end far away from the rolling shaft, and the supporting rod is arranged on the side edge of the curtain cloth far away from the rolling shaft.

According to the automatic curtain, two ends of the positioning rod are respectively fixed on the end faces, close to the rolling shafts, of the upper edge fixing plate and the lower edge fixing plate.

According to the automatic curtain, the side edges of the upper edge fixing plate and the lower edge fixing plate are provided with the fixed slide rails, the fixed slide rails are provided with the slide grooves, and two ends of the screw rod shaft are clamped in the slide grooves.

According to the automatic curtain, the rack is arranged on the side edge of the sliding groove of the upper edge fixing plate, and the outer sides of the first bevel gear shaft and the second bevel gear shaft are provided with the protective shells.

According to the automatic curtain, the supporting plate is circular, the side face of the supporting plate is provided with the first groove, and the elastic recovery rope is arranged in the first groove and connected with the rolling shaft.

According to the automatic curtain, the two ends of the connecting rod are respectively provided with the first through hole, the two ends of the connecting block and the two ends of the sliding block are respectively provided with the second through hole, the first through hole is communicated with the second through hole, and the pin shaft is arranged in the communicating hole of the first through hole and the second through hole.

The invention has the following beneficial effects:

1. the intermediate transmission assembly is provided with gears for transmission, and the torque required to be output by the motor can be adjusted by controlling the gear ratio between the gears, so that energy is saved.

2. When the screw rod shaft rotates, the sliding block moves towards the center or the edge of the screw rod shaft so as to drive the connecting rod to move, and when the connecting rod moves, the supporting rod is pushed or pulled to move outwards or inwards, so that the whole curtain cloth is driven to expand or contract, and the automatic operation from the side face is realized.

3. The elastic restoring rope is wound on the upper end of the rolling shaft, when the curtain cloth is pulled to move outwards, the elastic restoring rope can provide restoring force for the curtain cloth, so that the curtain cloth is tight and attractive, and meanwhile, when the curtain cloth is rolled back, the elastic restoring rope can also provide rolling force for the rolling shaft.

4. The upper edge fixing plate, the lower edge fixing plate and the side edge fixing plate are fixed on the windowsill through the expansion screws, so that a better fixing effect can be achieved, and the whole curtain is convenient to mount and dismount.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the transmission configuration of the present invention;

FIG. 3 is an exploded view of the connecting rod and slider of the present invention.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, an automatic window covering includes:

the curtain cloth 100, curtain cloth 100 both sides are equipped with locating lever 110 and bracing piece 120, and locating lever 110 and bracing piece 120 all play the supporting role to curtain cloth 100, prevent that it from falling down.

The unfolding and folding assembly 200 comprises a connecting rod 210, a sliding block 220 and at least two connecting blocks 230, two ends of the connecting rod 210 are movably connected with the sliding block 220 and the connecting blocks 230 respectively, namely two ends of the connecting rod 210 can rotate around the sliding block 220 and the connecting blocks 230, the sliding block 220 is provided with a threaded hole 221, the threaded holes 221 arranged on the two sliding blocks 220 have opposite rotating directions, the two connecting blocks 230 are arranged on the positioning rod 110 and the supporting rod 120 respectively, if four connecting rods 210 are arranged, a parallelogram is formed by the two connecting blocks 230 in a surrounding mode, and two opposite angles are fixed on the positioning rod 110 and the supporting rod 120 through the connecting blocks.

The transmission assembly 300 is provided with a screw shaft 310 on the transmission assembly 300, the screw shaft 310 is arranged between the positioning rod 110 and the support rod 120, the screw shaft 310 penetrates through the threaded hole 221 and is connected with the slider 220, when the slider 220 moves on the screw shaft 310, the slider 220 drives the connecting rod 210 connected with the slider 220 to move together, the angle between the connecting rod 210 and the screw shaft 310 is determined according to the moving direction of the slider 220, and then the curtain is determined to be unfolded or contracted, if the slider 220 moves towards the center of the screw shaft 310, the connecting rod 210 can unfold the support rod 120 outwards, and then the curtain 100 can be further unfolded.

The positive and negative rotation motor 400, the positive and negative rotation motor 400 is connected with the transmission assembly 300, and the positive and negative rotation motor 400 provides the positive rotation and negative rotation functions, so that the curtain can be conveniently furled.

The screw shaft 310 is provided with threads which are engaged with the internal threads of the threaded hole 221, and because the internal threads of the threaded holes 221 on the two sliders 220 are opposite in turning direction, when the screw shaft 310 rotates, the two sliders 220 can simultaneously run towards the center of the screw shaft 310 or simultaneously run towards the two ends of the screw shaft 310, so that the connecting rods 210 on the two sides move in the same direction, and no interference motion is generated.

The curtain cloth curtain is characterized by further comprising a fixing assembly 500 and a roller assembly 600, wherein the fixing assembly 500 comprises an upper edge fixing plate 510, a lower edge fixing plate 520 and a side edge fixing plate 530, the roller assembly 600 comprises a rolling shaft 610, support plates 611 are arranged at two ends of the rolling shaft 610, two ends of the side edge fixing plate 530 are connected with the two support plates 611, the fixing assembly 500 is used for integrally fixing the curtain on a window sill, the side edge fixing plate 530 fixes the rolling shaft 610, the rolling shaft 610 is used for storing the curtain cloth 100, when the curtain cloth 100 needs to be unfolded, the rolling shaft 610 is driven to roll to convey the curtain cloth 100, and vice versa.

The transmission assembly 300 further comprises a first bevel gear shaft 320, a second bevel gear shaft 330 and a rack 340, wherein one end of the second bevel gear shaft 330 is meshed with one end of the first bevel gear shaft 320, the other end of the second bevel gear shaft 330 is meshed with the rack 340, the rack 340 is meshed with the screw shaft 310, the first bevel gear transmits motion to the second bevel gear, the second bevel gear transmits motion to the rack 340, the rack 340 drives the screw shaft 310 to rotate, torque required to be output by the forward and reverse rotating motor 400 can be reduced by adjusting the gear ratio of the gears through meshing rotation of the gears in the middle, and energy loss is reduced.

The forward and reverse rotation motor 400 is provided with a coupler 410, the coupler 410 is connected with the first bevel gear shaft 320, and the forward and reverse rotation motor 400 provides power for the first bevel gear shaft 320 through the coupler 410 to drive the first bevel gear shaft 320 to rotate.

The positioning rod 110 is provided with a positioning through groove (not marked in the figure), one end of the curtain cloth 100 is wound on the rolling shaft 610, the other end of the curtain cloth 100 penetrates through the positioning through groove and is arranged at one end far away from the rolling shaft 610, the supporting rod 120 is arranged at the side of the curtain cloth 100 far away from the rolling shaft 610, the curtain cloth 100 is not easy to vertically shift after passing through the positioning groove, the positioning rod 110 can push the curtain cloth 100 to prevent the curtain cloth 100 from shifting, and meanwhile, the supporting rod 120 enables the other end of the curtain cloth 100 to keep a tight.

The two ends of the positioning rod 110 are respectively fixed on the end surfaces of the upper edge fixing plate 510 and the lower edge fixing plate 520 close to the rolling shaft 610, and after the positioning rod 110 is fixed, the positioning rod 110 can ensure that the curtain cloth 100 is fixed.

The fixed slide rails 540 are arranged on the side edges of the upper edge fixing plate 510 and the lower edge fixing plate 520, the slide grooves 541 are arranged on the fixed slide rails 540, two ends of the screw shaft 310 are clamped in the slide grooves 541, so that the screw shaft 310 can rotate and move left and right, but the up and down movement of the screw shaft 310 is limited, the curtain cloth 100 can be fixed through the matching of the screw shaft 310 and the connecting rod 210, when the curtain cloth 100 is made of hard materials, other fixing can be omitted, the curtain cloth 100 can be better fixed through the matching of the positioning rod 110, the supporting rod 120, the screw shaft 310 and the connecting rod 210, and when the curtain cloth 100 is made of soft materials, a guide rail needs to be additionally arranged on the side edge of the upper edge fixing plate 510, and the upper end of.

The rack 340 is arranged on the side of the sliding groove 541 of the upper edge fixing plate 510, the rack 340 is arranged just on the side of the screw shaft 310 to be conveniently meshed with the screw shaft, and the protective shell 350 is arranged on the outer sides of the first bevel gear shaft 320 and the second bevel gear shaft 330 to prevent other objects from being involved in gear meshing to cause transmission obstruction and gear damage.

The supporting plate 611 is circular, a first groove (not labeled in the figure) is formed in the side surface of the supporting plate 611, an elastic recovery rope 620 is arranged in the first groove and connected with the rolling shaft 610, and when the elastic recovery rope 620 is connected with the rolling shaft 610, a recovery force is provided for the elastic recovery rope 620, so that the curtain cloth 100 can be straightened, and the appearance is more attractive.

Both ends of the connecting rod 210 are provided with first through holes 211, both ends of the connecting block 230 and the sliding block 220 are provided with second through holes 240, the first through holes 211 are communicated with the second through holes 240, the through holes of the first through holes 211 and the second through holes 240 are internally provided with pin shafts 250, and the connecting rod 210 is movably connected with the connecting block 230 and the sliding block 220 through the pin shafts 250, so that the connecting rod 210, the connecting block 230 and the sliding block 220 can rotate conveniently.

According to the automatic curtain, the screw rod shaft is utilized to drive the sliding block to move, so that the movement of the connecting rod is promoted, the connecting rod drives the supporting rod on the cloth curtain to move together, the cloth curtain can be folded inwards or unfolded outwards, the automatic opening and closing of the curtain from the side face is realized, meanwhile, the gear transmission is arranged to transmit the movement to the screw rod shaft, and the torque required to be output by the forward and reverse rotating motor can be reduced by changing the gear ratio, so that the energy-saving effect is achieved.

The technical solutions of the present invention are explained in detail above with reference to the accompanying drawings, and the described embodiments are used to help understanding the idea of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. An automatic window covering, comprising:

the unfolding and folding assembly comprises a connecting rod, two sliding blocks and at least two connecting blocks, two ends of the connecting rod are respectively movably connected with the sliding blocks and the connecting blocks, threaded holes are formed in the sliding blocks, the rotating directions of the threaded holes formed in the two sliding blocks are opposite, and the two connecting blocks are respectively arranged on the positioning rod and the supporting rod;

2. The automatic window curtain of claim 1, further comprising a fixing component and a roller component, wherein the fixing component comprises an upper edge fixing plate, a lower edge fixing plate and a side edge fixing plate, the roller component comprises a rolling shaft, supporting plates are arranged at two ends of the rolling shaft, and two ends of the side edge fixing plate are connected with the two supporting plates.

3. The automatic window covering of claim 2, wherein said drive assembly further comprises a first bevel gear shaft, a second bevel gear shaft, and a rack, wherein said second bevel gear shaft is engaged at one end to said first bevel gear shaft, said second bevel gear shaft is engaged at another end to said rack, and said rack is engaged to said screw shaft.

4. The automatic window curtain of claim 3, wherein a coupler is disposed on the counter-rotating motor, and the coupler is connected to the first bevel gear shaft.

5. The automatic window curtain as claimed in claim 2, wherein the positioning rod is provided with a positioning through slot, one end of the curtain cloth is wound on the rolling shaft, the other end of the curtain cloth passes through the positioning through slot and is arranged at one end far away from the rolling shaft, and the support rod is arranged at the side of the curtain cloth far away from the rolling shaft.

6. The automatic window curtain of claim 5, wherein two ends of the positioning rod are respectively fixed on the end surfaces of the upper edge fixing plate and the lower edge fixing plate close to the rolling shaft.

7. The automatic window curtain of claim 3, wherein the upper edge fixing plate and the lower edge fixing plate are provided with fixing sliding rails on the sides, the fixing sliding rails are provided with sliding grooves, and two ends of the screw shaft are clamped in the sliding grooves.

8. The automatic window curtain of claim 7, wherein the rack is disposed on the chute side of the upper edge fixing plate, and protective cases are disposed outside the first bevel gear shaft and the second bevel gear shaft.

9. The automatic window curtain of claim 2, wherein the support plate is circular, a first groove is formed in a side surface of the support plate, and an elastic restoring rope is arranged in the first groove and connected with the rolling shaft.

10. The automatic window curtain of claim 1, wherein a first through hole is formed at each end of the connecting rod, a second through hole is formed at each end of the connecting block and each end of the sliding block, the first through hole is communicated with the second through hole, and a pin shaft is arranged in the communicating hole of the first through hole and the second through hole.