CN212261103U - Opening and closing curtain transmission device - Google Patents

Abstract

The utility model discloses a curtain transmission opens and shuts, including main drive mechanism, from drive mechanism, reversing mechanism and drive belt, wherein main drive mechanism is located one side from drive mechanism, reversing mechanism locates the one end that is close to main drive mechanism from drive mechanism, main drive mechanism is located to the drive belt, then wear out from main drive mechanism, the drive belt is worn out the back from main drive mechanism, again around locating reversing mechanism, behind reversing mechanism, the drive belt penetrates from drive mechanism, again from wearing out from drive mechanism, and penetrate main drive mechanism once more, thereby make the drive belt at main drive mechanism, reversing mechanism and constitute a closed loop from between the drive mechanism. The utility model discloses a curtain transmission opens and shuts adopts a drive belt first coaster mechanism of simultaneous drive and second coaster mechanism respectively along main slide rail and vice slide rail for the synchronism that opens and shuts of curtain is higher.

Description

Opening and closing curtain transmission device

Technical Field

The utility model relates to a curtain technical field that opens and shuts specifically relates to a curtain transmission opens and shuts.

Background

Along with the improvement of living standard of people, various intelligent household articles such as automatic opening and closing curtains are widely applied to the life of people, the automatic opening and closing curtain is provided with an opening and closing curtain transmission device, a main curtain and an auxiliary curtain, and the main curtain and the auxiliary curtain can be controlled to move through the opening and closing curtain transmission device, so that the automatic opening and closing of the curtain is realized.

Traditional (window) curtain transmission that opens and shuts has main actuating mechanism and follows actuating mechanism, wherein has the main drive belt among the main actuating mechanism, drives main coaster mechanism through the main drive belt and slides along main slide rail to further drive the removal of main curtain, follow actuating mechanism and have from the drive belt, when main actuating mechanism moves, can indirectly drive and remove from the drive belt, drive from coaster mechanism through following the drive belt and slide along vice slide rail, thereby further drive the removal of vice curtain. That is to say, the traditional curtain opening and closing transmission device usually needs to adopt two different transmission belts, namely a main transmission belt and a slave transmission belt, to respectively drive the main pulley mechanism and the slave pulley mechanism to slide, and then respectively drive the main curtain and the auxiliary curtain through the main pulley mechanism and the slave pulley mechanism to slide, so as to realize the opening and closing of the curtain. Because the opening and closing curtain transmission device adopts two different transmission belts, the opening and closing of the curtain are not good enough in synchronism.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides a curtain transmission opens and shuts, include:

the main transmission mechanism comprises a main driving part, a main slide rail, a first slave driving part and a first pulley mechanism, wherein the main driving part and the first slave driving part are arranged at two ends of the main slide rail;

the auxiliary transmission mechanism comprises a second auxiliary driving part, an auxiliary sliding rail and a second pulley mechanism; the auxiliary slide rail is arranged on one side of the main slide rail in parallel, and the second driven part is arranged at one end of the auxiliary slide rail, which is far away from the main slide rail;

the reversing mechanism comprises a shell and a plurality of reversing wheels, the shell is arranged at one end of the auxiliary slide rail close to the main slide rail, the plurality of reversing wheels are arranged in the shell, and the shell is respectively communicated with the two ends of the main slide rail and the auxiliary slide rail close to each other; and

the transmission belt is arranged on the main slide rail, the reversing mechanism and the auxiliary slide rail in a surrounding manner and is transmitted through the main driving part, the first driven driving part, the plurality of reversing wheels and the second driven driving part; the first pulley mechanism and the second pulley mechanism are respectively fixed on the transmission belt, when the transmission belt moves, the transmission belt drives the first pulley mechanism to slide along the main slide rail, and the transmission belt drives the second pulley mechanism to slide along the auxiliary slide rail.

According to an embodiment of the present invention, the main rail includes a main rail body, the main rail body has a first conveying chamber and a second conveying chamber, the first conveying chamber has a first opening, the first opening faces the auxiliary rail, the second conveying chamber has a second opening, the second opening faces the first conveying chamber; the drive belt is located first conveying chamber and second conveying intracavity, and first coaster mechanism is fixed with the drive belt of locating the second conveying intracavity, and when the drive belt removed, the drive belt drove first coaster mechanism and slides in the space between first conveying chamber and second conveying chamber.

According to an embodiment of the present invention, the top of the main rail body is further provided with a first clamping position and a second clamping position; the first clamping position is opposite to the second clamping position, a first clamping groove is formed between the first clamping position and the top of the main rail body, a second clamping groove is formed between the second clamping position and the top of the main rail body, and the first clamping groove and the second clamping groove are back to back.

According to the utility model discloses an embodiment, vice slide rail includes the vice rail body, and the vice rail body has third conveying chamber and fourth conveying chamber, and the drive belt is located third conveying chamber and fourth conveying intracavity, and second coaster mechanism is fixed with the drive belt of locating the third conveying intracavity, and when the drive belt removed, the drive belt drove second coaster mechanism and slides in the space between third conveying chamber and the fourth conveying chamber.

According to an embodiment of the present invention, the top of the auxiliary rail body is further provided with a third clamping position and a fourth clamping position; the third clamping position is opposite to the fourth clamping position, a third clamping groove is formed between the third clamping position and the top of the auxiliary rail body, a fourth clamping groove is formed between the fourth clamping position and the top of the auxiliary main rail body, and the third clamping groove and the fourth clamping groove are back to back.

According to the utility model discloses an embodiment, main slide rail and vice slide rail top are equipped with at least one top dress sign indicating number respectively.

According to an embodiment of the present invention, the top mount code includes an installation portion and a clamping portion; the installation department is including installing the body, and one of them side of installation body is equipped with two at least relative block grooves and at least one first sliding tray, and joint portion includes the joint body, and the block inslot is located to joint body card to can slide along the block groove, be equipped with at least one second sliding tray on the side that the joint body deviates from the installation body, at least one first sliding tray and at least one second sliding tray sliding connection are at the top of main slide rail or the top of vice slide rail.

According to an embodiment of the present invention, the main driving portion includes a first transmission box and a first driving wheel disposed in the first transmission box, the second slave driving portion includes a second transmission box and a second driving wheel disposed in the second transmission box, and the first driving wheel and the second driving wheel are engaged and driven by a driving belt; first transmission case and/or second transmission case include the box, have seted up on the box and have got the thing mouth, rotate on the box and be connected with the chamber door, the chamber door with get thing mouth adaptation.

According to an embodiment of the present invention, the first pulley mechanism and the second pulley mechanism respectively include a pulley body and an adjusting portion, the pulley body includes a main body hanging plate and a hook plate, the main body hanging plate includes a loading plate and a pressing plate disposed on one side of the loading plate, and the hook plate is disposed on the loading plate; the adjusting part comprises an adjusting piece and an adjusting plate; the adjusting part is movably arranged on the bearing plate, the adjusting plate is connected to the adjusting part, and a gap through which a transmission belt passes is formed between the pressing plate and the adjusting plate; wherein coaster body and main slide rail or vice slide rail sliding connection, the regulating part is located outside main slide rail or the vice slide rail, adjusts the regulating part, and the regulating part drives the regulating plate and removes to the direction that is close to or keeps away from the pressure strip, and when the regulating plate removed to the direction that is close to or keeps away from the pressure strip, the clearance corresponding strain is little or the grow.

According to an embodiment of the present invention, the adjusting plate includes a transition plate and a pressing plate, the transition plate and the pressing plate are respectively disposed on opposite sides of the loading plate, and the loading plate is provided with a through hole; the adjusting part passes through the bearing plate and then is connected to the transition plate, the pressing plate is arranged on the transition plate, a gap through which a transmission belt passes is formed between the pressing plate and the pressing plate, and when the adjusting part is adjusted, the transition plate drives the pressing plate to pass through the through hole and move towards the direction close to or far away from the pressing plate, so that the gap between the pressing plate and the pressing plate is reduced or enlarged.

The utility model discloses well drive belt locates main slide rail through main drive division, and wear out from the one end that main slide rail is close to reversing mechanism, then the drive belt is around locating a plurality of switching-over wheels, the drive belt penetrates in the vice slide rail after a plurality of switching-over wheels, then the drive belt is located in the vice slide rail, and follow the drive division through the second, wear out from the one end that vice slide rail is close to reversing mechanism again, the drive belt that the one end that is close to reversing mechanism from vice slide rail was worn out penetrates main slide rail once more, and through first follower, extend to main drive mechanism along main slide rail, thereby make the drive belt at main slide rail, a plurality of switching-over wheels and constitute a closed loop from between the vice slide rail. When the main driving part drives the transmission belt to move, the transmission belt drives the first pulley mechanism and the second pulley mechanism to respectively do linear movement which is far away from or close to each other along the main slide rail and the auxiliary slide rail, and the curtain is pulled to be opened and closed in the sliding process of the first pulley mechanism and the second pulley mechanism. Also the utility model provides a curtain transmission opens and shuts adopts a drive belt simultaneous drive first coaster mechanism and second coaster mechanism to slide along main slide rail and vice slide rail respectively, drives opening and shutting of curtain at the gliding in-process of first coaster mechanism and second coaster mechanism for the synchronism that opens and shuts of curtain is higher.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a perspective view of an opening and closing curtain driving device in an embodiment;

FIG. 2 is a longitudinal sectional view of the opening and closing curtain driving device in the embodiment;

FIG. 3 is a perspective view of the main slide rail and the auxiliary slide rail in the embodiment in cooperation with each other;

FIG. 4 is a front view of the main slide rail and the auxiliary slide rail of the embodiment in cooperation with each other;

FIG. 5 is a rear view of the main slide rail and the auxiliary slide rail of the embodiment in cooperation with each other;

FIG. 6 is a front view of the primary slide rail and the secondary slide rail in the embodiment;

FIG. 7 is a perspective view of the top loading code of the embodiment;

FIG. 8 is a perspective view of the mounting part in the embodiment;

FIG. 9 is a perspective view of the engaging portion of the embodiment;

FIG. 10 is a perspective view of a first transmission case in the embodiment;

FIG. 11 is a perspective view of a first sled mechanism according to an embodiment;

FIG. 12 is a perspective view of the first sled mechanism of the embodiment from another perspective;

FIG. 13 is a side view of the first sled mechanism of the embodiment;

FIG. 14 is a schematic view showing the interaction of the pressing plate and the adjusting plate in the embodiment;

FIG. 15 is another schematic view of the pressing plate and the adjusting plate of the embodiment being engaged with each other;

FIG. 16 is a perspective view of the hanging plate of the embodiment;

FIG. 17 is a perspective view of a pressing plate in the embodiment;

fig. 18 is a side view of the carriage mechanism on the slide rail in the embodiment.

Description of reference numerals:

1. a main transmission mechanism; 11. a main drive section; 111. a motor; 112. a first transmission case; 113. a first drive pulley; 1121. a box body; 1122. an article taking opening; 1123. a box door; 1124. a first end; 1125. a second end; 1126. a void; 12. a main slide rail; 121. a main rail body; 122. a first transfer chamber; 123. a first opening; 124. a second transfer chamber; 125. a second opening; 126. a first chute; 127. a second chute; 128. a first clamping position; 129. a second card position; 1201. a first card slot; 1202. a second card slot; 13. a first slave driving section; 131. a fixed box; 132. a driven wheel; 14. a first sled mechanism; 141. a pulley body; 1411. a main body hanging plate; 1412. a hook plate; 14111. a carrier plate; 14112. a compression plate; 14113. a first protrusion; 14114. a second protrusion; 14115. a slide channel; 14116. wall plates; 14117. a third opening; 14118. a through hole; 14119. an accommodation site; 142. an adjustment section; 1421. an adjustment member; 1422. an adjusting plate; 1423. a gap; 1424. an adjustment hole; 14221. a transition plate; 14222. pressing a plate; 14223. a screw; 1425. an engagement groove;

2. a slave transmission mechanism; 21. a second slave driving section; 211 a second gearbox; 212. a second transmission wheel; 22. an auxiliary slide rail; 221. a secondary rail body; 222. a third transfer chamber; 2222. a lower wall; 223. a fourth transfer chamber; 224. a third chute; 225, a third clamping position; 226. a fourth position; 227. a third card slot; 228. a fourth card slot; 23. a second sled mechanism;

3. a reversing mechanism; 31. a housing; 32. a reversing wheel;

4. a transmission belt;

5. top loading the code; 51. an installation part; 52. a clamping part; 511. installing a body; 512. a clamping groove; 513. a first sliding groove; 514. a limiting block; 515. a bump; 516. a limiting port; 521. clamping the body; 522. a second sliding groove; 523. a convex portion; 524. and (7) fixing holes.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 and 2, fig. 1 is a perspective view of an opening and closing curtain driving device in an embodiment, and fig. 2 is a longitudinal sectional view of the opening and closing curtain driving device in the embodiment. The embodiment provides a transmission device for opening and closing a curtain, which comprises a main transmission mechanism 1, a slave transmission mechanism 2, a reversing mechanism 3 and a transmission belt 4, wherein the main transmission mechanism 1 is positioned at one side of the slave transmission mechanism 2, the reversing mechanism 3 is arranged at one end of the slave transmission mechanism 2 close to the main transmission mechanism 1, the transmission belt 4 is annularly arranged on the main transmission mechanism 1, the reversing mechanism 3 and the slave transmission mechanism 2, and the main transmission mechanism 1 is connected with the slave transmission mechanism 2 through a first slave driving part 13. In other words, the transmission belt 4 is arranged on the main transmission mechanism 1 and then penetrates out of the main transmission mechanism 1, the transmission belt 4 is wound on the reversing mechanism 3 after penetrating out of the main transmission mechanism 1, and after passing through the reversing mechanism 3, the transmission belt 4 penetrates into the secondary transmission mechanism 2, then penetrates out of the secondary transmission mechanism 2 and penetrates into the main transmission mechanism 1 again, so that the transmission belt 4 forms a closed loop among the main transmission mechanism 1, the reversing mechanism 3 and the secondary transmission mechanism 2.

Referring to fig. 1 and 2 again, the main transmission mechanism 1 includes a main driving portion 11, a main slide rail 12, a first slave driving portion 13 and a first pulley mechanism 14, the slave transmission mechanism 2 includes a second slave driving portion 21, an auxiliary slide rail 22 and a second pulley mechanism 23, and the reversing mechanism 3 includes a housing 31 and a plurality of reversing wheels 32. The main driving part 11 and the first slave driving part 13 are respectively located at two ends of the main slide rail 12, the slave slide rail 22 is located at one side of the main slide rail 12, the slave slide rail 22 is parallel to the main slide rail 12, the second slave driving part 21 is located at one end of the slave slide rail 22 far away from the main slide rail 12, the housing 31 is located at one end of the slave slide rail 22 close to the main slide rail 12, the plurality of reversing wheels 32 are located in the housing 31, the housing 31 is respectively communicated with two ends of the main slide rail 12 and the slave slide rail 22, further, the main slide rail 12 and the slave slide rail 22 are further connected to the housing 31 in a sliding manner, that is, the main slide rail 12 and the slave slide rail 22 can slide relative to the housing 31, so that when the size of a window changes, the overall length. The transmission belt 4 is arranged on the main slide rail 12 through the main driving part 11 and penetrates out from one end of the main slide rail 12 close to the reversing mechanism 3, then the transmission belt 4 is wound on a plurality of reversing wheels 32, the transmission belt 4 passes through the plurality of reversing wheels 32 and then penetrates into the auxiliary slide rail 22, then the transmission belt 4 is arranged in the auxiliary slide rail 22 and penetrates out from one end of the auxiliary slide rail 22 close to the reversing mechanism 3 through the second auxiliary driving part 21, the transmission belt 4 penetrating out from one end of the auxiliary slide rail 22 close to the reversing mechanism 3 penetrates into the main slide rail 12 again and passes through the first driven mechanism 13 to extend to the main transmission mechanism 1 along the main slide rail 12, so that the drive belt 4 forms a closed loop between the primary slide rail 12, the plurality of diverting pulleys 32 and the secondary slide rail 22, when the main driving part 11 rotates, the belt 4 moves through the main driving part 1, the first slave driving part 13, the plurality of reverse wheels 32, and the second slave driving part 21. The first pulley mechanism 14 is disposed on the main slide rail 12 and fixed to the transmission belt 4, the second pulley mechanism 23 is disposed on the auxiliary slide rail 22 and fixed to the transmission belt 4, when the transmission belt 4 moves, the transmission belt 4 drives the first pulley mechanism 14 to slide along the main slide rail 12, and the transmission belt 4 also synchronously drives the second pulley mechanism 23 to slide along the auxiliary slide rail 22, the sliding directions of the first pulley mechanism 14 and the second pulley mechanism 23 are opposite, and the first pulley mechanism 14 and the second pulley mechanism 23 are symmetrically distributed, so that the first pulley mechanism 14 and the second pulley mechanism 23 can pull the main curtain and the auxiliary curtain at the same amplitude. In this example, there are 4 reversing wheels 32, and after the driving belt 4 passes out of the main slide rail 12, the driving belt 4 passes through between two adjacent reversing wheels 32 and then enters the auxiliary slide rail 22, and after the driving belt 4 passes out of the auxiliary slide rail 22, the driving belt 4 passes through between another two adjacent reversing wheels 32 and then enters the main slide rail 12 again.

Referring to fig. 3, 4, 5 and 6, fig. 3 is a perspective view showing the main slide rail and the auxiliary slide rail being matched with each other, fig. 4 is a front view showing the main slide rail and the auxiliary slide rail being matched with each other, fig. 5 is a rear view showing the main slide rail and the auxiliary slide rail being matched with each other, and fig. 6 is a front view showing the main slide rail and the auxiliary slide rail. The main slide rail 12 includes a main rail body 121, a side wall of the main rail body 121 facing the auxiliary slide rail 22 is recessed to form a first conveying cavity 122, such that a side of the first conveying cavity 122 facing the auxiliary slide rail 22 has a first opening 123, when the belt 4 is disposed in the first conveying cavity 122, the belt 4 is located outside the main rail body 121, wherein the first opening 123 faces the auxiliary slide rail 22, that is, when the auxiliary slide rail 22 is disposed on one side of the main slide rail 12, a portion of the auxiliary slide rail 22 faces the main slide rail 12 and is opposite to and close to each other, so the first conveying cavity 122 is provided with the first opening 123, such that the first opening 123 faces the auxiliary slide rail 22, when the belt 4 is located in the first conveying cavity 122, the belt 4 can directly transition from the first opening 123 to the reversing mechanism 3, and in addition, a second conveying cavity 124 is disposed inside the main rail body 121. The second transferring cavity 124 has a second opening 125, the second opening 125 faces the first transferring cavity 122, when the belt 4 is looped around the first transferring cavity 122 and the second transferring cavity 124, the first pulley mechanism 14 is fixedly connected to the belt 4 disposed in the second transferring cavity 124 through the second opening 125, and when the belt 4 moves, the belt 4 can drive the first pulley mechanism 14 to slide in the space between the first transferring cavity 122 and the second transferring cavity 124. Furthermore, a first sliding groove 126 extends along the direction of the first conveying cavity 122 away from the top of the main rail body 121, a second sliding groove 127 extends along the direction of the second conveying cavity 124 away from the top of the main rail body 121, the first sliding groove 126 and the second sliding groove 127 are arranged in a face-to-face manner, when the first pulley mechanism 14 is fixedly connected with the driving belt 4 arranged in the second conveying cavity 124, the first pulley mechanism 14 is further arranged in the first sliding groove 126 and the second sliding groove 127 in a sliding manner, and the first sliding groove 126 and the second sliding groove 127 can further support the first pulley mechanism 14. The top of the main rail body 121 is further provided with a first clip 128 and a second clip 129; the first clip 128 is opposite to the second clip 129, a first clip groove 1201 is formed between the first clip 128 and the top of the main rail body 121, a second clip groove 1202 is formed between the second clip 129 and the top of the main rail body 121, the notch of the first clip groove 1201 is opposite to the notch of the second clip groove 1202, and the first clip 128 and the second clip 129 facilitate the mounting of the main rail body 121 on a wall or the like.

Referring to fig. 3, 4, 5 and 6 again, the auxiliary rail 22 includes an auxiliary rail body 221, the auxiliary rail body 221 has a third transmission cavity 222 and a fourth transmission cavity 223, the transmission belt 4 is located in the third transmission cavity 222 and the fourth transmission cavity 223, the second pulley mechanism 23 is fixed to the transmission belt 4 disposed in the third transmission cavity 222, and when the transmission belt 4 moves, the transmission belt 4 drives the second pulley mechanism 23 to slide in a space between the third transmission cavity 222 and the fourth transmission cavity 223. A third sliding groove 224 extends along the fourth transferring cavity 223 away from the top of the secondary rail body 221, the notch of the third sliding groove 224 faces the third transferring cavity 222, and the third sliding groove 224 can further support the second pulley mechanism 23. The top of the auxiliary rail body 221 is also provided with a third clamping position 225 and a fourth clamping position 226; in contrast, a third slot 227 is formed between the third detent 225 and the top of the secondary rail body 221, a fourth slot 228 is formed between the fourth detent 226 and the top of the secondary rail body 221, and the slot of the third slot 227 is opposite to the slot of the fourth slot 228. The third detent 225 and the fourth detent 226 facilitate mounting the accessory rail body 221 to a wall or the like.

Referring to fig. 7-9, fig. 7 is a perspective view of the top loading code, fig. 8 is a perspective view of the mounting portion, and fig. 9 is a perspective view of the clamping portion. At least one top loading code 5 is respectively arranged at the top of the main slide rail 12 and the auxiliary slide rail 22, and the top loading code 5 fixes the curtain opening and closing transmission device on the wall. The top mount code 5 comprises a mounting portion 51 and a clamping portion 52, the mounting portion 51 comprises a mounting body 511, one side surface of the mounting body 511 is provided with at least two opposite clamping grooves 512 and at least one first sliding groove 513, the clamping portion 52 comprises a clamping body 521, the clamping body 521 is clamped in the clamping grooves 512 and can slide along the clamping grooves 512, the side surface of the clamping body 521 departing from the mounting body 511 is provided with at least one second sliding groove 522, and the at least one first sliding groove 513 and the at least one second sliding groove 522 are slidably connected to the top of the main sliding rail 12 or the top of the auxiliary sliding rail 22. When the top loading unit 5 is mounted on the top of the main slide rail 12, the at least one first sliding groove 513 and the at least one second sliding groove 522 are slidably connected to the first locking portion 128 and the second locking portion 129, respectively, that is, the main slide rail 12 is slidably disposed between the at least one first sliding groove 513 and the at least one second sliding groove 522. When the top loading unit 5 is mounted on the top of the secondary slide rail 22, the at least one first sliding groove 513 and the at least one second sliding groove 522 are slidably connected to the third detent 225 and the fourth detent 226, respectively, that is, the secondary slide rail 22 is slidably disposed between the at least one first sliding groove 513 and the at least one second sliding groove 522. In this embodiment, the mounting body 511 is provided with two engaging grooves 512, the notches of the two engaging grooves 512 are opposite, the latch body 521 is located between the two engaging grooves 512 to push the latch body 521, the latch body 521 can slide along the two engaging grooves 512, in this embodiment, the mounting body 511 is provided with two first sliding grooves 513, the two first sliding grooves 513 are parallel to each other, the latch body 521 is provided with a second sliding groove 522, the notches of the second sliding groove 522 face the notches of the two first sliding grooves 513, and when the latch body 521 is latched in the first sliding groove 513, the main slide rail 12 and the auxiliary slide rail 22 are slidably latched between the first sliding groove 513 and the second sliding groove 522.

A limiting block 514 is further arranged at one end of the mounting body 511 far away from the first sliding groove 513, a protruding block 515 is arranged on one surface of the clamping body 521 far away from the mounting body 511, and when the clamping body 521 is arranged in the clamping groove 512 of the mounting body 511 in a sliding manner, the limiting block 514 can abut against the protruding block 515. Two limit ports 516 are formed in the mounting body 511, two convex portions 523 are formed in one surface, facing the mounting body 511, of the clamping body 521, and the two convex portions 523 are buckled with the two limit ports 516 respectively. When the curtain driving device needs to be replaced, the two convex portions 523 are separated from the two limit openings 516, the clamping body 521 is pushed to slide along the clamping groove 512 on the installation body 511, the installation body 511 is separated from the clamping body 521, the disassembled clamping body 521 is installed on the main slide rail 12 and the auxiliary slide rail 22 of the new curtain driving device, the clamping body 521 slides along the clamping groove 512, the clamping body 521 abuts against the limit blocks 514, the two convex portions 523 are buckled with the two limit openings 516 again, and the new curtain driving device can be installed on the wall again. That is, when replacing the opening and closing curtain transmission device, the mounting body 511 does not need to be detached from the wall, only the clamping body 521 needs to be detached from the mounting body 511, and then the detached clamping body 521 is mounted on the main slide rail 12 and the auxiliary slide rail 22 of the new opening and closing curtain transmission device, so that the top mount 6 can be reused even if the opening and closing curtain transmission device is replaced. In addition, fixing holes 524 are further formed in the installation body 511 and the clamping body 521, the fixing holes 524 in the installation body 511 and the clamping body 521 are opposite to each other, the fixing holes 524 in the installation body 521 are larger than the fixing holes 524 in the clamping body 521, and the fixing holes 524 are convenient for connecting the top-mounted code 5 with a wall.

Referring to fig. 2 and fig. 10, fig. 10 is a perspective view of the first transmission box. The main driving part 11 includes a motor 111, a first transmission box 112 and a first transmission wheel 113, the first transmission wheel 113 is disposed in the first transmission box 112, and the motor 111 drives the first transmission wheel 113 to rotate. The first slave driving part 13 includes a fixed box 131 and a slave wheel 132, the slave wheel 132 is disposed in the fixed box 131, wherein the main rail body 121 and the slave rail body 221 are both slidably connected to the fixed box 131, the main slide rail 12 and the slave slide rail 22 can slide relative to the housing 31 and the fixed box 131, when the overall length of the opening and closing curtain transmission device needs to be adjusted, the main slide rail 12 and the slave slide rail 12 can slide relative to the housing 31 and the fixed box 131, so as to adjust the overall length of the opening and closing curtain transmission device, and the specific housing 31 and the fixed box 131 are slidably engaged with the first engaging portion 128 and the second engaging portion 129 of the main rail body 121 and the third engaging portion 225 and the fourth engaging portion 226 of the slave rail body 221, respectively. When the overall length of the opening and closing curtain transmission device needs to be adjusted, the housing 31 and the fixed box 131 can slide along the first lock 128, the second lock 129, the third lock 225 and the fourth lock 226 in opposite directions, so that the overall length of the opening and closing curtain transmission device can be adjusted. The second slave driving unit 21 includes a second transmission case 211 and a second transmission wheel 212, the second transmission wheel 212 is disposed in the second transmission case 211, and the first transmission wheel 113 and the second transmission wheel 212 are engaged and transmitted by the transmission belt 4. Wherein first transmission case 112 includes box 1121, second transmission case 211 includes box 1121, because the curtain that opens and shuts uses after a period, drive belt 4 can relax, be unfavorable for the conveying of drive belt 4, therefore, can set up one on the box 1121 of one or both of first transmission case 112 and second transmission case 211 and get thing mouth 1122, box 1121 rotates and is connected with a chamber door 1123, in the ordinary use, chamber door 1123 lock in getting thing mouth 1122, when drive belt 4 takes place the lax phenomenon, open chamber door 1123, draw out drive belt 4 from getting thing mouth 1122 and tailor, make drive belt 4 have suitable length, it can to connect drive belt 4 after will cutting again. More preferably, the door 1123 has a first end 1124 and a second end 1125, the first end 1124 is rotatably connected to the box 1121, when the door 1123 is fastened to the access opening 1122, a gap 1126 exists between the second end 1125 and the box 1121, and the opening and closing of the door 1123 is facilitated through the gap 1126.

Referring to fig. 11 and 12, fig. 11 is a perspective view of the first pulley mechanism of the present embodiment, and fig. 12 is a perspective view of the first pulley mechanism of the present embodiment from another perspective. The first carriage mechanism 14 and the second carriage mechanism 23 have the same structure, and in this example, the first carriage mechanism 14 is described as an example. The first pulley mechanism comprises a pulley body 141 and an adjusting part 142, the adjusting part 142 is arranged on the pulley body 141, the pulley body 141 is used for driving the curtain, and the adjusting part 142 is matched with the pulley body 141 to connect the transmission belt.

Referring to fig. 11-12 again, the pulley body 141 includes a main hanging plate 1411 and a hanging plate 1412, the hanging plate 1412 is disposed on the main hanging plate 1411, the main hanging plate 1411 includes a bearing plate 14111 and a pressing plate 14112, the hanging plate 1412 is disposed on the bearing plate 14111, the pressing plate 14112 is disposed on the bearing plate 14111, wherein the hanging plate 1412 and the pressing plate 14112 may be disposed on the same side surface of the bearing plate 14111 or on two opposite side surfaces of the bearing plate 14111, and in this embodiment, the hanging plate 1412 and the pressing plate 14112 are disposed on the same side surface of the bearing plate 14111.

Referring further to fig. 13, fig. 13 is a side view of the first pulley mechanism of the present embodiment. In order to make the first pulley mechanism 14 and the second pulley mechanism 23 move along the main sliding rail 12 and the secondary sliding rail 22 more stably, at least one first protrusion 14113 is respectively disposed on two opposite side walls of the carrying plate 14111, wherein the first protrusion 14113 on the same side as the pressing plate 14112 is located between the pressing plate 14112 and the hooking plate 1412, and the first protrusions 14113 respectively disposed on the two opposite side walls of the carrying plate 14111 are disposed at the same height position of the carrying plate 14111. For example, when two opposite side walls of the carrying plate 14111 are respectively provided with a first protrusion 14113, the first protrusion 14113 on one side wall and the first protrusion 14113 on the other side wall may be disposed in a staggered manner or in an opposite manner, the first protrusions 14113 on the two side walls are disposed at the same height position on the carrying plate 14111, and the first protrusion 14113 on the same side as the pressing plate 14112 is disposed between the pressing plate 14112 and the hook plate 1412. When one of the sidewalls of the supporting plate 14111 is provided with a first protrusion 14113, and the other sidewall is provided with a plurality of first protrusions 14113, the first protrusion 14113 on one of the sidewalls and the plurality of first protrusions 14113 on the other sidewall may be disposed alternately, or the first protrusion 14113 on one of the sidewalls and one of the first protrusions 14113 of the plurality of first protrusions 14113 on the other sidewall are disposed opposite to each other, the plurality of first protrusions 14113 on the two sidewalls are disposed at the same height position on the supporting plate 14111, and the first protrusion 14113 at the same side as the pressing plate 14112 is disposed between the pressing plate 14112 and the hooking plate 1412. Or when the two opposite side walls of the bearing plate 14111 are both provided with the plurality of first protrusions 14113, the plurality of first protrusions 14113 on one side wall and the plurality of first protrusions 113 on the other side wall may be disposed in a staggered manner or in an opposite manner.

When the carriage mechanism slides along the slide rail, in order to reduce the friction force between the carriage mechanism and the slide rail, the surface of the first protrusion 14113 facing the hook plate 1412 is a curved surface, and the surface of the first protrusion 14113 facing the hook plate 1412 is set to be a curved surface, so that the contact between the first protrusion 14113 and the slide rail 3 becomes a line contact, that is, the contact area between the first protrusion 14113 and the slide rail becomes smaller, thereby reducing the friction force between the first protrusion 14113 and the slide rail. Further, the first protrusion 14113 is crescent-shaped, and the side of the first protrusion 14113 facing the hook plate 1412 becomes a cambered surface.

In another mode, two opposite side walls of the bearing plate 14111 are respectively provided with at least one second protrusion 14114, wherein the at least one second protrusion 14114 on the same side as the pressing plate 14112 is located between the first protrusion 14113 and the hook plate 1412, the second protrusions 14114 on the two opposite side walls of the bearing plate 14111 are located at the same height position of the bearing plate 14111, and a sliding channel 14115 is formed between the first protrusion 14113 and the second protrusion 14114 on the same side of the bearing plate 14111. For example, when two opposite side walls of the bearing plate 14111 are respectively provided with a second protrusion 14114, the second protrusion 14114 on one side wall and the second protrusion 14114 on the other side wall may be disposed in a staggered manner or disposed opposite to each other, the second protrusions 14114 on the two side walls are disposed at the same height position on the bearing plate 14111, the second protrusion 14114 on the same side as the pressing plate 14112 is disposed between the first protrusion 14113 and the hook plate 1412, and a sliding channel 14115 is formed between the first protrusion 14113 and the second protrusion 14114 on the same side wall. When one of the side walls of the carrying plate 14111 is provided with a second protrusion 14114, and the other side wall is provided with a plurality of second protrusions 14114, the second protrusion 14114 on one of the side walls and the plurality of second protrusions 14114 on the other side wall may be arranged alternately, or the second protrusion 14114 on one of the side walls and one of the second protrusions 14114 on the other side wall are arranged opposite to each other, the plurality of second protrusions 14114 on the two side walls are arranged at the same height position on the carrying plate 14111, the second protrusion 14114 on the same side as the pressing plate 14112 is arranged between the first protrusion 14113 and the hook plate 1412, and a sliding channel 14115 is formed between the first protrusion 14113 and the second protrusion 14114 on the same side wall. Or when the two opposite side walls of the bearing plate 14111 are provided with the plurality of second protrusions 14114, the plurality of second protrusions 14114 on one side wall and the plurality of second protrusions 14114 on the other side wall may be arranged in a staggered manner or in an opposite manner, and a sliding channel 14115 is formed between the first protrusion 14113 and the second protrusion 14114 on the same side wall.

Similarly, the side of the second protrusion 14114 facing the first protrusion 14113 is curved, and the side of the second protrusion 14114 facing the first protrusion 14113 is curved, so that the contact between the second protrusion 14114 and the slide rail becomes a line contact, that is, the contact area between the second protrusion 14114 and the slide rail becomes smaller, thereby reducing the friction between the second protrusion 14114 and the slide rail. Further, the second protrusion 14114 is crescent-shaped, and a side of the second protrusion 14114 facing the first protrusion 14113 becomes a cambered surface.

More preferably, the number of the second protrusions 14114 is the same as that of the first protrusions 14113, each of the first protrusions 14113 and the second protrusions 14114 located on the same side of the carrier plate 14111 is directly opposite to one of the second protrusions 14114, and a sliding channel 14115 is formed between the first protrusion 14113 and the second protrusion 14114 directly opposite to each other in the same side wall. The distance between the first protrusion 14113 and the second protrusion 14114, that is, the width of the sliding channel 14115, may be the same as the wall thickness of the sliding rail or larger than the wall thickness of the sliding rail, and most preferably, the distance between the first protrusion 14113 and the second protrusion 14114, that is, the width of the sliding channel 14115, is larger than the wall thickness of the sliding rail, when the sliding rail is clamped between the first protrusion 14113 and the second protrusion 14114, that is, in the sliding channel 14115, on one hand, the second protrusion 14114 may be prevented from contacting the sliding rail as much as possible to generate friction, and on the other hand, when the sliding rail sinks, the second protrusion 14114 may generate a supporting effect on the sliding.

Referring to fig. 11-13, the adjusting portion includes an adjusting member 1421 and an adjusting plate 1422, the adjusting member 1421 is disposed on the supporting plate 14111, the adjusting member 1421 can adjust the position of the supporting plate 14111, that is, the adjusting member 1421 is movably connected to the supporting plate 14111, the adjusting plate 122 is connected to the adjusting member 1421, and a gap 1423 for the transmission belt to pass through is disposed between the pressing plate 14112 and the adjusting plate 1422.

Specifically, referring to fig. 14-15, fig. 14 and 15 are schematic views illustrating the cooperation between the pressing plate and the adjusting plate according to the present embodiment. The hold-down plate 14112 can be an L-shaped plate, wherein one wall 14116 of the L-shaped hold-down plate 14112 is connected to the carrier plate 14111, and the other wall 14116 faces the carrier plate 14111. As shown in fig. 4, when the L-shaped pressing plate 14112 is connected to the supporting plate 14111, and the third opening 14117 formed between the L-shaped pressing plate 14112 and the supporting plate 14111 faces the hook plate 1412, the corresponding adjusting plate 1422 may be any shape, such as a square structure, a circular structure, or other regular irregular structure, one end of the adjusting plate 1422 is located between the L-shaped pressing plate 14112 and the supporting plate 14111, and the other end is movably connected to the supporting plate 14111 through an adjusting member 1421, when the adjusting member 1421 is adjusted, the adjusting member 1421 drives the adjusting plate 1422 to move toward the wall 14116 of the pressing plate 14112 facing the supporting plate 14111, so that the gap 1423 between the adjusting plate 1422 and the wall 16 of the pressing plate 14112 facing the supporting plate 14111 is reduced, the belt may be pressed in the gap 1423 between the adjusting plate 1422 and the wall 14116 of the pressing plate 14112 facing the supporting plate 14111, the adjusting member 1421 is reversely adjusted, the adjusting member 1421 drives the adjusting plate 1422 to move toward the wall 14116 facing the supporting plate, so that the gap 1423 between the adjusting plate 1421 and the wall 14116 of the pressing plate 14112 facing the carrying plate 14111 becomes large and the belt is disengaged from the pulley mechanism.

Alternatively, as shown in fig. 15, when the pressing plate 14112 is an L-shaped plate, one wall 14116 of the L-shaped pressing plate 14112 is connected to the supporting plate 14111, the other wall 14116 faces the supporting plate 14111, and the third opening 14117 formed between the L-shaped pressing plate 14112 and the supporting plate 14111 faces away from the hooking plate 1412, the corresponding adjusting plate 1422 may be a plate having any shape such as a square structure, a circular structure or other regular irregular structure with an adjusting hole 1424 in the middle, wherein the size of the adjusting hole 1424 is larger than that of the wall 14116 connecting the pressing plate 14112 and the supporting plate 14111, so that the adjusting plate 1422 can freely move along the wall 14116 connecting the pressing plate 14112 and the supporting plate 14111, that is, after one wall 14116 of the pressing plate 14112 passes through the adjusting hole 1424, the adjusting plate 14116 is connected to the supporting plate 14111, the adjusting plate 1422 is movably connected to the wall 14116 connecting the pressing plate 14112 and the supporting plate 14111, and the other wall 14116, the adjusting plate 1422 is inserted through the wall 14116 of the pressing plate 14112 connected to the bearing plate 14111 via an adjusting hole 1424. When the adjusting member 1421 is adjusted, the adjusting member 1421 drives the adjusting plate 1422 to move toward the wall 14116 facing the bearing plate 14111 near the pressing plate 14112 along the wall 14116 of the pressing plate 14112 connected to the bearing plate 14111, so that a gap 1423 between the adjusting plate 1422 and the wall 14116 facing the bearing plate 14111 of the pressing plate 14112 becomes smaller, the belt can be pressed in the gap 1423 between the adjusting plate 1422 and the wall 14116 facing the bearing plate 14111 of the pressing plate 14112, and the adjusting member 1421 is adjusted in a reverse direction, the adjusting member 1421 drives the adjusting plate 1422 to move toward the wall 14116 facing the bearing plate 14111 far from the pressing plate 14112, so that the gap 1423 between the adjusting plate 1421 and the wall 116 facing the bearing plate 14111 of the pressing plate 14112 becomes larger.

Or referring to fig. 11 to 13 again, the pressing plate 14112 may be in a through-slot shape, that is, the pressing plate 14112 has 3 wall plates 14116, two of the wall plates 14116 are respectively connected with another wall plate 14116, the other two wall plates 14116 are opposite and respectively connected with the carrying plate 14111, so that the wall plate 14116 connected with the other two wall plates 14116 faces the carrying plate 14111, in this case, the adjusting plate 1422 may be a plate having any shape with an adjusting hole 1424 in the middle, such as a square structure, a circular structure or other regular irregular structure, and one of the wall plates 14116 connected with the carrying plate 14111 of the pressing plate 14112 is inserted into the adjusting hole 1424. By adjusting the adjusting part 1421, the adjusting plate 1422 can be driven to move along the wall 14116 of the pressing plate 14112 inserted into the adjusting hole 1424, so as to adjust the size of the gap 1423 between the pressing plate 14112 and the adjusting plate 1422.

Wherein adjusting part 1421 and loading board 14111 can be threaded connection, adjusting part 1421 can be adjusting screw, and when adjusting part 1421, can twist adjusting part 1421, makes adjusting part 1421 rotate, and adjusting part 1421 converts the screw drive into linear drive, and then drives adjusting plate 1422 when making adjusting part 1421 rotate and move to the direction that is close to or keeps away from pressure strip 14112.

Further, referring to fig. 11-12 and fig. 16, fig. 16 is a three-dimensional structure diagram of the main body hanging plate in the embodiment, the adjusting plate 1422 includes a transition plate 14221 and a pressing plate 14222, the transition plate 14221 and the pressing plate 14112 are respectively disposed on opposite sides of the bearing plate 14111, the transition plate 14221 and the pressing plate 14222 are fixed by a screw 14223, or the transition plate 14221 and the pressing plate 14222 are integrally formed, the bearing plate 14111 is provided with a receiving position 14119 and a through hole 14118, the transition plate 14221 is disposed on the receiving position 14119, when the transition plate 14221 is disposed in the receiving position 14119, the transition plate 14221 is movably connected with the bearing plate 14111 by an adjusting piece 1421, the transition plate 14221 further faces the through hole 14118, the pressing plate 14222 is disposed on the transition plate 14221 by a screw 14223, the pressing plate 14222 passes through the through hole 14118 and extends into the pressing plate 14112, is opposite to one of the wall plates 14116 of the pressing plate 14112, a gap 1423 is formed between the pressing plate 14222 and the pressing plate 14212 is disposed in the transmission belt 141, the overall thickness of the pulley mechanism can be reduced. When the adjusting part 1421 is adjusted, the adjusting part 1421 drives the transition plate 14221 to move toward or away from the pressing plate 14112, and when the transition plate 14221 moves toward or away from the pressing plate 14112, the transition plate 14221 drives the pressing plate 14222 to move toward or away from the pressing plate 14112 through the through hole 14118, so that the gap 1423 between the pressing plate 14222 and the pressing plate 14112 is reduced or enlarged. In this case, the pressing plate 14112 may be formed in an L-shaped plate or a through groove shape.

Referring to fig. 17, fig. 17 is a perspective view of the pressing plate in the embodiment. In order to press the belt more tightly in the gap 1423 between the pressing plate 14222 and the pressing plate 14112, a plurality of engaging grooves 1425 are provided in parallel on the surface of the pressing plate 14222 facing the pressing plate 14112, and the pressing plate 14222 engages with the belt through the engaging grooves 1425.

Referring to fig. 18, fig. 18 is a side view of the pulley mechanism disposed on the slide rail in the present embodiment. As shown in the figure, the pressing plate 14112 of the pulley mechanism is disposed in the third conveying chamber 222, the lower wall 2222 of the third conveying chamber 222 is disposed in the sliding channel 14115 between the first protrusion 14113 and the second protrusion 14114, the belt is disposed in the gap 1423 between the pressing plate 14222 and the pressing plate 14112, the adjusting member 1421 is disposed outside the sliding rail, the adjusting member 1421 is screwed, the adjusting member 1421 drives the transition plate 14221 to move towards the pressing plate 14112, the transition plate 14221 drives the pressing plate 14222 to move towards the pressing plate 14112, so that the gap 1423 between the pressing plate 14222 and the pressing plate 14112 is gradually reduced, the belt is pressed between the pressing plate 14222 and the pressing plate 14112, the lower wall 2222 of the third conveying chamber 222 is engaged with the sliding channel 14115 between the first protrusion 14113 and the second protrusion 14114, when the belt is driven to move, the first protrusion 14113 slides along the lower wall 2222 of the third conveying chamber 222, and the pulley mechanism slides along the sliding rail. When the position of the pulley mechanism on the transmission belt needs to be adjusted, the adjusting member 1421 is screwed reversely, so that the pressing plate 14222 moves in a direction away from the pressing plate 14112, the gap 1423 between the pressing plate 14222 and the pressing plate 14112 becomes larger, the transmission belt is separated from the pulley mechanism, then the pulley mechanism is moved to a proper position along the transmission belt, the adjusting member 1421 is screwed again, so that the gap 1423 between the pressing plate 14222 and the pressing plate 14112 becomes smaller gradually, and the transmission belt is pressed between the pressing plate 14222 and the pressing plate 14112 again.

When the size of the window changes and the whole size of the opening and closing curtain transmission device needs to be adjusted, the main slide rail 12 and the auxiliary slide rail 22 slide relative to the shell 31, so that the whole size of the opening and closing curtain transmission device meets the size of the window, then, since the adjustment member 1421 is located outside the slide rail, only the adjustment member 1421 needs to be adjusted, such that the adjustment member 1421 moves the pressing plate 14222 in a direction away from the pressing plate 14112, such that the gap 1423 between the clamp plate 14222 and the clamp plate 14112 becomes larger, the drive belt disengages from the pulley mechanism, which is now moved along the drive belt to the appropriate position on the drive belt, then, the adjusting member 1421 is adjusted again so that the gap 1423 between the pressing plate 14222 and the pressing plate 14112 becomes smaller, the belt is pressed in the gap 1423 between the pressing plate 14222 and the pressing plate 14112, the pulley mechanism is fixed on the transmission belt again, and the position of the pulley mechanism arranged on the transmission belt can be conveniently adjusted.

When the first drive wheel of motor drive rotated, first drive wheel drove the drive belt and removes, and the drive belt drives first coaster mechanism and second coaster mechanism and does the rectilinear movement who keeps away from each other or be close to each other respectively along main slide rail and vice slide rail, and gliding in-process pulling (window) curtain of first coaster mechanism and second coaster mechanism opens and shuts, because the longer back of relaxing of live time when the drive belt, can open the chamber door of first transmission case or second transmission case, and the drive belt of pulling out cuts, cut the back and connect the drive belt can. The curtain opening and closing transmission device in the embodiment adopts a transmission belt to simultaneously drive the first pulley mechanism and the second pulley mechanism to slide along the main slide rail and the auxiliary slide rail respectively, and drives the curtain to open and close in the sliding process of the first pulley mechanism and the second pulley mechanism, so that the opening and closing synchronism of the curtain is higher.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. A curtain opening and closing transmission device is characterized by comprising:

the main transmission mechanism comprises a main driving part, a main slide rail, a first slave driving part and a first pulley mechanism, wherein the main driving part and the first slave driving part are arranged at two ends of the main slide rail;

the auxiliary transmission mechanism comprises a second auxiliary driving part, an auxiliary sliding rail and a second pulley mechanism; the auxiliary sliding rail is arranged on one side of the main sliding rail in parallel, and the second auxiliary driving part is arranged at one end, far away from the main sliding rail, of the auxiliary sliding rail;

the reversing mechanism comprises a shell and a plurality of reversing wheels, the shell is arranged at one end, close to the main sliding rail, of the auxiliary sliding rail, the plurality of reversing wheels are arranged in the shell, and the shell is communicated with two ends, close to the main sliding rail and the auxiliary sliding rail, of the main sliding rail and the auxiliary sliding rail respectively; and

the driving belt is arranged on the main slide rail, the reversing mechanism and the auxiliary slide rail in a surrounding mode and is driven by the main driving part, the first auxiliary driving part, the plurality of reversing wheels and the second auxiliary driving part; the first pulley mechanism and the second pulley mechanism are respectively fixed on the transmission belt, when the transmission belt moves, the transmission belt drives the first pulley mechanism to slide along the main slide rail, and the transmission belt drives the second pulley mechanism to slide along the auxiliary slide rail.

2. The opening and closing curtain transmission device as claimed in claim 1, wherein the main sliding rail comprises a main rail body, the main rail body is provided with a first transmission cavity and a second transmission cavity, the first transmission cavity is provided with a first opening, the first opening faces the auxiliary sliding rail, the second transmission cavity is provided with a second opening, and the second opening faces the first transmission cavity; the drive belt is located first conveying chamber and second conveying intracavity, first coaster mechanism is fixed with the drive belt of locating in the second conveying intracavity, and when the drive belt removed, the drive belt drove first coaster mechanism is in slide in the space between first conveying chamber and the second conveying chamber.

3. The opening and closing curtain transmission device as claimed in claim 2, wherein the top of the main rail body is further provided with a first clamping position and a second clamping position; the first clamping position is opposite to the second clamping position, a first clamping groove is formed between the first clamping position and the top of the main rail body, a second clamping groove is formed between the second clamping position and the top of the main rail body, and the first clamping groove and the second clamping groove are back to back.

4. The opening and closing curtain transmission device as claimed in claim 1, wherein the secondary slide rail includes a secondary rail body, the secondary rail body has a third transmission cavity and a fourth transmission cavity, the transmission belt is located in the third transmission cavity and the fourth transmission cavity, the second pulley mechanism is fixed to the transmission belt located in the third transmission cavity, and when the transmission belt moves, the transmission belt drives the second pulley mechanism to slide in a space between the third transmission cavity and the fourth transmission cavity.

5. The opening and closing curtain transmission device as claimed in claim 4, wherein the top of the auxiliary rail body is further provided with a third clamping position and a fourth clamping position; the third screens with the fourth screens is relative, the third screens with form the third draw-in groove between the top of vice rail body, the fourth screens with form the fourth draw-in groove between the top of vice rail body, the third draw-in groove with the fourth draw-in groove carries on the back mutually.

6. The opening and closing curtain transmission device as claimed in claim 1, wherein the top of the main slide rail and the top of the auxiliary slide rail are respectively provided with at least one top loading code.

7. The opening and closing curtain transmission device as claimed in claim 6, wherein the top mount code comprises a mounting portion and a clamping portion; the installation department is including installing the body, one of them side of installation body is equipped with two at least relative block grooves and at least one first sliding tray, joint portion includes the joint body, joint body card is located the block inslot, and can along the block groove slides, the joint body deviates from be equipped with at least one second sliding tray on the side of installation body, at least one first sliding tray and at least one second sliding tray sliding connection are in the top of main slide rail or the top of vice slide rail.

8. The transmission device for opening and closing curtains as claimed in claim 3, wherein the master driving part comprises a first transmission box and a first transmission wheel arranged in the first transmission box, the second slave driving part comprises a second transmission box and a second transmission wheel arranged in the second transmission box, and the first transmission wheel and the second transmission wheel are engaged and driven through the transmission belt; first transmission case and/or second transmission case include the box, seted up on the box and got the thing mouth, it is connected with the chamber door to rotate on the box, the chamber door with get thing mouth adaptation.

9. The opening and closing curtain transmission device as claimed in claim 1, wherein the first pulley mechanism and the second pulley mechanism respectively comprise a pulley body and an adjusting part, the pulley body comprises a main body hanging plate and a hook plate, the main body hanging plate comprises a bearing plate and a pressing plate arranged on one side of the bearing plate, and the hook plate is arranged on the bearing plate; the adjusting part comprises an adjusting piece and an adjusting plate; the adjusting piece is movably arranged on the bearing plate, the adjusting plate is connected to the adjusting piece, and a gap through which a transmission belt passes is formed between the pressing plate and the adjusting plate; wherein the coaster body and main slide rail or vice slide rail sliding connection, the regulating part is located outside main slide rail or vice slide rail, adjust the regulating part, the regulating part drives the regulating plate is to being close to or keeping away from the direction of pressure strip removes, works as the regulating plate is to being close to or keeping away from when the direction of pressure strip removes, the clearance is to diminishing or grow.

10. The opening and closing curtain transmission device as claimed in claim 9, wherein the adjusting plate comprises a transition plate and a pressing plate, the transition plate and the pressing plate are respectively disposed on opposite sides of the bearing plate, and the bearing plate is provided with a through hole; the adjusting piece penetrates through the bearing plate and then is connected to the transition plate, the pressing plate is arranged on the transition plate, a gap through which a transmission belt penetrates is formed between the pressing plate and the pressing plate, and when the adjusting piece is adjusted, the transition plate drives the pressing plate to penetrate through the through hole and move towards the direction close to or far away from the pressing plate, so that the gap between the pressing plate and the pressing plate is reduced or enlarged.

Images