Sliding frame for curtain machine and curtain machine

Abstract

The utility model relates to the technical field of curtain machines, and provides a sliding frame for a curtain machine and the curtain machine, and the sliding frame for the curtain machine utilizes a first guide block and a second guide block to realize mutual separation of a first transmission assembly and a second transmission assembly. The first transmission assembly and a second clutch body in the second transmission assembly are kept in transmission connection through a first check block and a second check block, so that in the leaf turning action, the first transmission assembly and the second transmission assembly cannot get close to each other, and a second transmission body on the second transmission assembly is kept locked with the frame body; the condition that the frame body moves in a guide rail of the curtain machine in the blade turning action is avoided, so that the operation of the curtain machine is more accurate; meanwhile, through the arrangement of the first resistance part and the second resistance part, the blade turning angles of the multiple curtain blades can be adjusted to be the same through the blade turning transmission belt. When the curtain machine is opened and closed, only the opening and closing transmission belt needs to be driven to work, so that the energy consumption is less and the resistance is smaller when the curtain sheets are opened and closed by the curtain machine.

Description

Technical Field

[0001] The utility model relates to the technical field of curtain machines, in particular to a sliding frame for curtain machines and the curtain machine. Background Art

[0002] A curtain machine is a machine that can electrically control the movement of curtains. A vertical curtain machine (hereinafter referred to as a curtain machine) has multiple slats. The curtains are opened and closed by adjusting the position of the slats, and the light transmission angle of the curtains is adjusted by flipping the slats to different angles. In order to achieve a curved track, a dual-belt drive method is currently used.

[0003] For example, a bending track vertical curtain control device with integrated flipping and opening and closing dual functions, disclosed in publication number CN112554765A, can perform curtain flapping or curtain flapping and curtain opening and closing actions simultaneously; however, it cannot separate the curtain opening and closing actions and the curtain flapping actions, making it inconvenient to use.

[0004] For example, the interlocking pulley and curtain machine disclosed in Publication No. CN116201461A has a first transmission member and a second transmission member on the pulley (the pulley is referred to as a slide in this application), and a differential clutch structure is formed between the first transmission member and the second transmission member. The first transmission member is connected to the first transmission belt in the guide rail, and the second transmission member is connected to the second transmission belt in the guide rail. When the second transmission belt is not working and the first transmission belt is working, the first transmission member can be connected to the dimming pendant on the pulley to achieve the flipping of the curtain leaf. When the first transmission belt and the second transmission belt are working simultaneously, the transmission connection between the first transmission member and the dimming pendant can be disconnected to achieve the opening and closing of the curtain leaf without flipping the curtain leaf, thereby separating the flipping action and the opening and closing action of the curtain leaf.

[0005] However, in the prior art CN116201461A, the following problems may be encountered during application:

[0006] 1. When the leaf-turning action is performed, a differential clutch structure is used to move the first transmission member and the second transmission member away from each other. The differential clutch structure adopts a differential hole and a differential block for cooperation. The lower end of the first transmission member is connected through the transmission structure of the dimming hanger, and the upper end of the second transmission member is connected to the frame of the pulley. When the first transmission member rotates, the differential block leaves the differential hole, and the first transmission member can drive the dimming hanger to rotate. After the first transmission member rotates one circle, the differential block re-enters the differential hole, so that the first transmission member and the second transmission member approach each other, and the second transmission member is separated from the frame of the pulley, resulting in that when the leaf-turning transmission belt continues to drive the first transmission member to rotate, the first transmission member is Part of the rotational force will be transferred to drive the frame to move in the guide rail of the curtain machine. That is, each time the differential block and the differential hole are combined, the frame will move an indefinite distance in the guide rail (depending on the friction between the frame and the guide rail), causing the positions of multiple pulleys in the guide rail to become chaotic. When the first transmission member rotates multiple circles, the position deviation of the frame will be superimposed, making it more obvious. Moreover, since part of the rotational force of the first transmission member is used to drive the frame to move, the curtain flapping force of the first transmission member on the curtain blade is reduced, and the flapping effect is affected. Different frames may consume different rotational forces of the first transmission member, resulting in a certain deviation in the flapping angles of the curtain blades on multiple pulleys.

[0007] 2. The motor on the curtain machine needs to drive the first transmission belt and the second transmission belt at the same time to realize the opening and closing of the curtain. The first transmission belt used to drive the flaps needs to work simultaneously with the second transmission belt, resulting in greater energy consumption and transmission resistance. Especially for some longer curtain machines, the guide rail length can even reach 12m. The first transmission belt needs to work for 12m with the second transmission belt, and the defects in energy consumption and transmission resistance are more prominent. Utility Model Content

[0008] In view of this, the present invention provides a sliding frame for a curtain machine and a curtain machine, aiming to solve at least one of the above problems to a certain extent.

[0009] The technical solution of the first aspect of the present utility model is achieved as follows:

[0010] A sliding frame for a curtain machine, comprising:

[0011] A frame, a first transmission assembly, a second transmission assembly, and a reset assembly;

[0012] The frame is provided with a limit shaft and a rotatable dimming pendant, and the frame is also provided with a blocking portion for limiting the rotational travel of the dimming pendant; the first transmission assembly and the second transmission assembly are both slidably sleeved on the limit shaft; the frame is provided with a first card insertion portion;

[0013] The first transmission assembly includes a first transmission body, a first clutch body, and a first resistance member. One end of the first transmission body is provided with a first meshing portion for transmission connection with the dimming pendant; the first clutch body is provided with a first circumferential transmission portion, and the first clutch body is provided with a first guide block located in an eccentric position at one end thereof close to the second transmission assembly. The first guide block is provided with first guide inclined surfaces on both sides along the rotation direction of the first guide block, and the first guide block is provided with a first stopper located between the two first guide inclined surfaces; the first transmission body and the first clutch body are coaxially arranged and can rotate relative to each other, and the first resistance member is used to provide resistance to hinder the relative rotation of the first transmission body and the first clutch body;

[0014] The second transmission assembly includes a second transmission body, a second clutch body, and a second resistance member; one end of the second transmission body is provided with a second plug-in portion for correspondingly plugging into the first plug-in portion, and the second transmission body is provided with a second circumferential transmission portion; the second clutch body is provided with a second guide block at an eccentric position protruding from one end close to the first clutch body, the second guide block is provided with second guide inclined surfaces on both sides along the rotation direction of the second guide block, and the second guide block is provided with a second stop block located between the two second guide inclined surfaces; the second transmission body and the second clutch body are coaxially arranged and can rotate relative to each other, and the second resistance member is used to provide resistance to hinder the relative rotation of the second transmission body and the second clutch body;

[0015] The reset assembly is used to drive the first transmission assembly and the second transmission assembly to move closer to each other;

[0016] When the first engaging portion is separated from the dimming pendant, the first transmission body and the first clutch body rotate synchronously; when the first card insertion portion is separated from the second card insertion portion, the second transmission body and the second clutch body rotate synchronously.

[0017] As a further optional solution, the first resistance member is a spring washer provided between the first transmission body and the first clutch body; the second resistance member is a spring washer provided between the second transmission body and the second clutch body.

[0018] As a further optional solution, a snap-fit connection structure is formed between the first transmission body and the first clutch body, and a snap-fit connection structure is formed between the second transmission body and the second clutch body.

[0019] As a further optional solution, the snap connection structure between the first transmission body and the first clutch body is the same as the snap connection structure between the second transmission body and the second clutch body;

[0020] The buckle connection structure includes a plurality of hooks spaced apart along the circumference, a rotation space is formed between the hooks, a rotating disk is rotatably arranged in the rotation space, and the edge of the rotating disk is buckled with the hooks;

[0021] One of the first transmission body and the first clutch body is provided with the hook, and the other is provided with the rotary disk;

[0022] One of the second transmission body and the second clutch body is provided with the hook, and the other is provided with the rotary disk.

[0023] As a further optional solution, a gear set is provided on the frame. According to the transmission path, the first end of the gear set is provided with a second meshing portion for engaging with the first meshing portion of the first transmission body, and the second end of the gear set is transmission-connected to the dimming pendant.

[0024] As a further optional solution, one of the first meshing portion and the second meshing portion is a face gear structure formed by a plurality of face teeth, and the other is at least one face tooth, and the first meshing portion and the second meshing portion form a face meshing structure;

[0025] One of the first card insertion part and the second card insertion part is an end face gear structure formed by a plurality of end face teeth, and the other is at least one end face tooth. The first card insertion part and the second card insertion part form an end face meshing structure.

[0026] As a further optional solution, the reset component is a magnetic traction structure or an elastic drive structure.

[0027] As a further optional solution, the first circumferential transmission part and the second circumferential transmission part are both synchronous wheel structures.

[0028] As a further optional solution, the frame is provided with an assembly hole for the dimming hanger to be rotatably set, the blocking part is a first protrusion arranged in the assembly hole, and a second protrusion is protruded from the outer periphery of the dimming hanger, and the first protrusion is located on the circumferential rotation path of the second protrusion.

[0029] Compared with the prior art, the sliding frame for the curtain machine of the present application has at least the following beneficial effects:

[0030] The slide used in the curtain machine utilizes the first guide block and the second guide block to realize the mutual distance between the first transmission assembly and the second transmission assembly, and maintains a transmission connection between the first transmission assembly and the second clutch body in the second transmission assembly through the first block and the second block, so that during the leaf-flipping action, the first transmission assembly and the second transmission assembly will not approach each other, and the second transmission body on the second transmission assembly remains locked with the frame, and during the leaf-flipping action, the frame will not move in the guide rail of the curtain machine, making the operation of the curtain machine more precise; at the same time, through the provision of the first resistance member and the second resistance member, the leaf-flipping transmission belt can be used to adjust the leaf-flipping angles of multiple curtain pieces to the same.

[0031] The technical solution of the second aspect of the present invention is achieved as follows:

[0032] A curtain machine, comprising a guide rail and a slide for any of the above curtain machines;

[0033] There are multiple slides for the curtain machine, and the multiple slides for the curtain machine are connected by distance pieces to form a slide group in the guide rail;

[0034] An auxiliary transmission belt, a leaf-turning transmission belt and an opening and closing transmission belt are provided in the guide rail. The auxiliary transmission belt is fixedly provided in the guide rail, and the auxiliary transmission belt is in transmission cooperation with the second circumferential transmission portion of the second transmission body; the leaf-turning transmission belt is in transmission cooperation with the first circumferential transmission portion on the first transmission body, and the leaf-turning transmission belt is driven by the first driver; the opening and closing transmission belt is fixedly connected to the slide for the curtain machine at the end of the slide group, and the opening and closing transmission belt is driven by the second driver.

[0035] Compared with the prior art, the curtain machine of this application has at least the following beneficial effects:

[0036] The curtain machine can realize independent leaf-flipping and opening and closing actions; moreover, when performing the opening and closing action, only the opening and closing transmission belt needs to be driven, while the leaf-flipping transmission belt does not need to work. Therefore, the curtain machine consumes less energy and has less resistance when opening and closing the curtain pieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0038] Figure 1 This is a structural schematic diagram of a sliding frame for a curtain machine according to an embodiment of the present utility model;

[0039] Figure 2 This is an exploded schematic diagram of a sliding frame for a curtain machine according to an embodiment of the present utility model;

[0040] Figure 3 Schematic diagram of the explosion of the first transmission assembly and the second transmission assembly in the embodiment of the present utility model;

[0041] Figure 4 for Figure 1 Schematic cross-sectional view of AA in the figure;

[0042] Figure 5 This is a schematic diagram of the cooperation between the first stopper and the second stopper in an embodiment of the present utility model;

[0043] Figure 6 This is a schematic diagram of the snap connection structure between the first transmission body and the first clutch body in an embodiment of the present utility model;

[0044] Figure 7 This is a schematic structural diagram of the blocking portion on the frame in an embodiment of the present utility model;

[0045] Figure 8 This is one of the application schematic diagrams of the sliding frame used in the curtain machine in the embodiment of the utility model;

[0046] Figure 9 This is the second application schematic diagram of the sliding frame used in the curtain machine in the embodiment of the present utility model.

[0047] In the figure: 100, guide rail; 200, leaf-turning transmission belt; 300, opening and closing transmission belt; 400, auxiliary transmission belt;

[0048] 1. Frame; 11. Limiting shaft; 12. First card insertion portion; 13. Assembly hole; 14. Blocking portion;

[0049] 2. First transmission assembly; 21. First transmission body; 211. First meshing portion; 22. First clutch body; 221. First guide block; 2211. First guide slope; 2212. First stop block; 222. First circumferential transmission portion; 23. First resistance member;

[0050] 3. Second transmission assembly; 31. Second transmission body; 311. Second card insertion portion; 312. Second circumferential transmission portion; 32. Second clutch body; 321. Second guide block; 3211. Second guide slope; 3212. Second stop block; 33. Second resistance member;

[0051] 4. Reset components;

[0052] 5. Dimming pendant;

[0053] 6. Gear set; 61. Second meshing portion;

[0054] 71. Hook; 72. Turntable; 73. Rotating space. DETAILED DESCRIPTION

[0055] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0056] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0057] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0058] Example 1

[0059] refer to Figure 1-7 The utility model shows a sliding frame for a curtain machine, comprising a frame body 1, a first transmission assembly 2, a second transmission assembly 3 and a reset assembly 4;

[0060] refer to Figure 1 and Figure 2 The frame 1 is provided with a limit shaft 11 and a rotatable dimming hanger 5, the dimming hanger 5 is used to connect the curtain piece, and the frame 1 is also provided with a blocking portion 14 for limiting the rotation stroke of the dimming hanger 5; the first transmission assembly 2 and the second transmission assembly 3 are both slidably mounted on the limit shaft 11; the frame 1 is provided with a first card insertion portion 12; the reset assembly 4 is used to drive the first transmission assembly 2 and the second transmission assembly 3 to approach each other.

[0061] refer to Figure 2 and Figure 3The first transmission assembly 2 includes a first transmission body 21, a first clutch body 22 and a first resistance member 23. One end of the first transmission body 21 is provided with a first meshing portion 211 for transmission connection with the dimming hanger 5; the first clutch body 22 is provided with a first circumferential transmission portion 222, and the first clutch body 22 is provided with a first guide block 221 located in an eccentric position at one end close to the second transmission assembly 3. The first guide block 221 is provided with first guide inclined surfaces 2211 on both sides of the first guide block 221 along its rotation direction. The first guide block 221 is provided with a first stopper 2212 located between the two first guide inclined surfaces 2211; the first transmission body 21 and the first clutch body 22 are coaxially arranged and can rotate relative to each other. The first resistance member 23 is used to provide resistance to hinder the relative rotation of the first transmission body 21 and the first clutch body 22;

[0062] refer to Figure 2 and Figure 3 The second transmission assembly 3 includes a second transmission body 31, a second clutch body 32 and a second resistance member 33; one end of the second transmission body 31 is provided with a second plug-in portion 311 for correspondingly plugging into the first plug-in portion 12, and the second transmission body 31 is provided with a second circumferential transmission portion 312; the second clutch body 32 is close to the end of the first clutch body 22 and is protruded with a second guide block 321 located in an eccentric position, and the second guide block 321 is provided with second guide inclined surfaces 3211 on both sides of its rotation direction, and the second guide block 321 is provided with a second stopper 3212 located between the two second guide inclined surfaces 3211; the second transmission body 31 and the second clutch body 32 are coaxially arranged and can rotate relative to each other, and the second resistance member 33 is used to provide resistance to hinder the relative rotation of the second transmission body 31 and the second clutch body 32.

[0063] Among them, the first resistance member 23 hinders the relative rotation between the first transmission body 21 and the first clutch body 22. Therefore, under normal circumstances, the first transmission body 21 and the first clutch body 22 can be regarded as one body, and the first transmission body 21 and the first clutch body 22 rotate synchronously; similarly, under the action of the second resistance member 33, under normal circumstances, the second transmission body 31 and the second clutch body 32 can be regarded as one body.

[0064] The carriage of this embodiment can cooperate with a dual-belt drive structure in the prior art (such as CN112554765A or CN215634784U). To facilitate understanding of the advantages and working principle of the carriage of this embodiment, the working process of the carriage and the dual-belt drive structure will be described below:

[0065] like Figure 8As shown, a cross-sectional view of a curtain machine is shown, in which the slide is arranged in a guide rail 100, and a leaf-turning transmission belt 200 and an opening and closing transmission belt 300 are arranged in the guide rail 100; the leaf-turning transmission belt 200 is transmission-connected to the first circumferential transmission part 222 on the first transmission assembly 2, and the opening and closing transmission belt 300 is transmission-connected to the second circumferential transmission part 312 on the second transmission assembly 3.

[0066] When performing the leaf flipping action:

[0067] The flap transmission belt 200 is working, while the opening and closing transmission belt 300 is not working. The flap transmission belt 200 drives the first transmission component 2 to rotate through the first circumferential transmission part 222. When the first transmission component 2 rotates, the first guide block 221 on the first transmission component 2 cooperates with the second guide inclined surface 3211 of the second guide hole on the second transmission component 3 through the first guide inclined surface 2211, thereby making the first transmission component 2 and the second transmission component 3 move away from each other. Figure 5 As shown, the second card insertion portion 311 on the second transmission body 31 is inserted into the first card insertion portion 12 on the frame 1, and the first engagement portion 211 on the first transmission body 21 forms a transmission connection with the dimming pendant 5;

[0068] The first stopper 2212 and the second stopper 3212 are located at the same axial height on the limit shaft 11. Therefore, when the flap transmission belt 200 continues to drive the first transmission component 2 to rotate, the first transmission component 2 can push the second stopper 3212 through the first stopper 2212 to drive the second transmission component 3 to rotate; and since the first card portion 12 locks the second card portion 311 on the second transmission body 31, the first card portion 12 provides a resistance to the second card portion 311 that hinders the rotation of the second transmission body 31. The resistance provided by the first card portion 12 is greater than the resistance provided by the second resistance member 33. Therefore, when the second clutch body 32 is subjected to a rotational force, the second transmission body 31 and the frame body 1 remain relatively fixed, while the second transmission body 31 and the second clutch body 32 can rotate relative to each other, that is, "slipping" occurs between the second transmission body 31 and the second clutch body 32;

[0069] When the rotational travel of the dimming hanger 5 has not reached its limit, that is, when it is not blocked by the blocking portion 14, the transmission resistance between the first transmission body 21 and the dimming hanger 5 is less than the resistance provided by the first resistance member 23, so the first transmission body 21 and the first clutch body 22 can still maintain synchronous rotation; in other words, when the leaf-flipping action is normal, the leaf-flipping transmission belt 200 drives the first transmission assembly 2, the second clutch body 32, and the dimming hanger 5 to rotate. However, when the dimming hanger 5 encounters resistance and cannot rotate, for example, when it is blocked by the blocking portion 14, the transmission resistance between the first transmission body 21 and the dimming hanger 5 will be greater than the resistance provided by the first resistance member 23. When the first clutch body 22 continues to be driven by the leaf-flipping transmission belt 200, "slipping" occurs between the first transmission body 21 and the first clutch body 22, which can prevent the power of the leaf-flipping transmission belt 200 from damaging the structure.

[0070] Among them, the second circumferential transmission part 312 on the second transmission body 31 cooperates with the opening and closing transmission belt 300. When the opening and closing transmission belt 300 is fixed, the second transmission body 31 and the frame body 1 maintain a fixed position in the guide rail 100; to prevent the first transmission component 2 from sliding in the guide rail 100 through friction when the flap transmission belt 200 drives the first transmission component 2 to rotate.

[0071] In this embodiment, the first guide block 221 is a structure that protrudes from the end surface of the first clutch body 22, and the second guide block 321 is also a structure that protrudes from the end surface of the second clutch body 32. The first stopper 2212 on the first guide block 221 drives the second stopper 3212 on the second guide block 321 to rotate. Therefore, during the driving process of the leaf-turning transmission belt 200, the second clutch bodies 32 in the first transmission assembly 2 and the second transmission assembly 3 maintain a transmission connection, so that the first transmission assembly 2 and the second transmission assembly 3 remain separated from each other, and the second transmission body 31 on the second transmission assembly 3 remains locked with the frame, ensuring that the frame 1 remains fixed in position within the guide rail 100 during the driving process of the leaf-turning transmission belt 200. In this way, the stability of the slide within the guide rail 100 during the leaf-turning action is improved, making the operation of the curtain machine more precise.

[0072] In addition, when the flapping angles of the curtain pieces on multiple slides are inconsistent, the flapping transmission belt 200 can be driven to forcibly drag the first transmission component 2. For the slides whose dimming hangers 5 have reached the rotation stroke limit, the first transmission body 21 and the first clutch body 22 in the first transmission component 2 will slip to prevent the structures of these slides from being damaged; for the slides whose dimming hangers 5 have not reached the rotation stroke limit, their dimming hangers 5 will continue to be driven to rotate by the first transmission component 2 until all the dimming hangers 5 on the slides reach the rotation stroke limit, thereby achieving the adjustment of the flipping angles of multiple curtain pieces to the same.

[0073] When performing opening and closing movements:

[0074] The reset component 4 forces the first transmission component 2 and the second transmission component 3 to move closer to each other. Figure 1 As shown, the first engaging portion 211 on the first transmission assembly 2 is disengaged from the dimming pendant 5, while the second plug-in portion on the second transmission assembly 3 is disengaged from the first plug-in portion on the frame 1. The flap drive belt 200 and the opening and closing drive belt 300 operate simultaneously, ensuring that the first and second transmission assemblies 2 and 3 rotate at the same speed. The first transmission assembly 2 and the second transmission assemblies 3 do not move away from each other, so the first transmission assembly 2 does not drive the dimming pendant 5 to rotate, while the opening and closing drive belt 300 can drive the frame 1 to move within the guide rail 100. This allows the curtain slats to only open and close without flapping.

[0075] It should be noted that, regarding the opening and closing process of the curtain pieces, the multiple curtain pieces on the curtain machine can be moved in one direction, that is, the curtain pieces are gathered on one side of the curtain machine guide rail 100; or the multiple curtain pieces can be moved in two directions, that is, the curtain pieces are gathered on the left and right sides of the curtain machine guide rail 100; referring to the prior art CN217300418U or CN218044703U, the slides of multiple curtain pieces moving in the same direction are connected by distance pieces to form a slide group, and the opening and closing transmission belt 300 is fixedly connected to the slide at the end of the slide group. Therefore, when the opening and closing transmission belt 300 moves, it directly drives one slide to move in the guide rail 100. In the process of retracting the curtain pieces, one slide pushes the other slides to move to one side of the guide rail 100; in the process of opening the curtain pieces, one slide is used to pull the other slides to move through the distance piece, and the distance piece makes the distance between the multiple slides the same, that is, the distance between the curtain pieces after opening is the same.

[0076] Specifically, the first plug-in portion and the second plug-in portion can be a plug-in column and a plug-in hole respectively, so that the second transmission body 31 cannot rotate on the frame 1; in this embodiment, Figure 2 and Figure 3As shown, one of the first card insertion part 12 and the second card insertion part 311 is an end face gear structure formed by multiple end face teeth, and the other is at least one end face tooth. The first card insertion part 12 and the second card insertion part 311 form an end face meshing structure.

[0077] Specifically, the above-mentioned scheme can be that the first resistance member 23 and the second resistance member 33 can be friction pads, used to increase the friction between the first transmission body 21 and the first clutch member, and increase the friction between the second transmission body 31 and the second clutch body 32, so as to realize the synchronous rotation of the first transmission body 21 and the first clutch body 22 under normal conditions; and the synchronous rotation of the second transmission body 31 and the second clutch body 32 under normal conditions.

[0078] Preferably, the first resistance member 23 is a spring washer disposed between the first transmission body 21 and the first clutch body 22; and the second resistance member 33 is a spring washer disposed between the second transmission body 31 and the second clutch body 32. The spring washers can provide axial elastic force, thereby providing greater frictional resistance, ensuring that the first transmission body 21 and the first clutch body 22, as well as the second transmission body 31 and the second clutch body 32, rotate synchronously under normal conditions.

[0079] In addition, to facilitate assembly and to realize the "slip" function, a snap connection structure is formed between the first transmission body 21 and the first clutch body 22 , and a snap connection structure is formed between the second transmission body 31 and the second clutch body 32 .

[0080] Specifically, if Figure 6 As shown, the first transmission body 21 is provided with a turntable 72, and the first clutch body 22 is provided with a plurality of hooks 71 distributed at intervals along the circumferential direction, a rotation space 73 is formed between the hooks 71, and the turntable 72 is rotatably arranged in the rotation space 73, and the edge of the turntable 72 is engaged with the hooks 71; in this way, the snap connection between the first transmission body 21 and the first clutch body 22 is achieved; it should be noted that the hook 71 can also be provided on the first transmission body 21, and the turntable 72 can be provided on the first clutch body 22; the snap connection structure between the second transmission body 31 and the second clutch body 32 can be the same; in other embodiments, other snap connection structures can also be used.

[0081] Specifically, the first transmission body 21 and the dimming pendant 5 can be directly transmitted or indirectly transmitted through an intermediate component; in this embodiment, Figure 2 and Figure 4As shown, the frame 1 is provided with a gear set 6. According to the transmission path, the first end of the gear set 6 is provided with a second meshing portion 61 for meshing with the first meshing portion 211 of the first transmission body 21. The second end of the gear set 6 is in transmission connection with the dimming pendant 5. One of the first meshing portion 211 and the second meshing portion 61 is a face gear structure formed by multiple face teeth, and the other is at least one face tooth. The first meshing portion 211 and the second meshing portion 61 form a face meshing structure.

[0082] Specifically, the reset component 4 is a magnetic traction structure or an elastic drive structure. The magnetic traction structure can refer to the prior art CN116201461A. In this embodiment, Figure 2 and Figure 4 As shown, the reset assembly 4 includes two springs, one spring is used to push the first transmission assembly 2 away from the second engagement portion 61 , and the other spring is used to push the second transmission assembly 3 away from the first card insertion portion 12 .

[0083] Specifically, the above solution comprises that the first circumferential transmission part 222 and the second circumferential transmission part 312 are both synchronous wheel structures. Correspondingly, the transmission belts connected to the first axial transmission part and the second circumferential transmission part 312 are synchronous belts.

[0084] Specifically, in order to facilitate the limitation of the rotation stroke of the dimming pendant 5, the above solution Figure 7 As shown, the frame 1 is provided with an assembly hole 13 for the rotatable mounting of the dimming pendant 5. The blocking portion 14 is a first protrusion disposed within the assembly hole 13. A second protrusion is provided on the outer periphery of the dimming pendant 5, with the first protrusion located in the circumferential rotation path of the second protrusion. For example, the rotation angle of the dimming pendant 5 can be limited to 0-180°.

[0085] To sum up, this embodiment shows a slide for a curtain machine, which uses a first guide block and a second guide block to realize the mutual distance between the first transmission component and the second transmission component, and uses the first block and the second block to maintain a transmission connection between the first transmission component and the second clutch body in the second transmission component, so that during the leaf-flipping action, the first transmission component and the second transmission component will not approach each other, and the second transmission body on the second transmission assembly remains locked with the frame, and during the leaf-flipping action, the frame will not move in the guide rail of the curtain machine, making the operation of the curtain machine more precise; at the same time, through the provision of the first resistance member and the second resistance member, the leaf-flipping transmission belt can be used to adjust the leaf-flipping angles of multiple curtain pieces to the same.

[0086] Example 2

[0087] The difference between the second embodiment and the first embodiment is that the second embodiment also adopts the slide in the first embodiment, but the slide is matched with a three-belt transmission structure.

[0088] refer to Figure 1-7 Recombination Figure 9 , this embodiment shows a curtain machine, including a guide rail 100 and the slide;

[0089] There are multiple slides, which are connected by distance pieces (not shown) to form a slide group in the guide rail 100.

[0090] An auxiliary transmission belt 400, a flap transmission belt 200 and an opening and closing transmission belt 300 are provided in the guide rail 100. The auxiliary transmission belt 400 is fixedly provided in the guide rail 100, and the auxiliary transmission belt 400 is in transmission cooperation with the second circumferential transmission part 312 of the second transmission body 31; the flap transmission belt 200 is in transmission cooperation with the first circumferential transmission part 222 on the first transmission body 21, and the flap transmission belt 200 is driven by a first driver (not shown); the opening and closing transmission belt 300 is fixedly connected to the slide at the end of the slide group, and the opening and closing transmission belt 300 is driven by a second driver (not shown).

[0091] Specifically, in this embodiment, three transmission belts are provided, namely an auxiliary transmission belt 400, a flap transmission belt 200 and an opening and closing transmission belt 300, among which the auxiliary transmission belt 400 remains stationary in the guide rail 100; and the flap transmission belt 200 and the opening and closing transmission belt 300 are driven by a first driver and a second driver respectively, and the first driver and the second driver can be motors.

[0092] When performing the leaf flipping action:

[0093] Only the leaf-turning transmission belt 200 works, and the working process is the same as that of the first embodiment, except that the auxiliary transmission belt 400 replaces the leaf-turning transmission belt 200. Figure 8 The setting position of the opening and closing transmission belt 300;

[0094] When performing opening and closing movements:

[0095] Only the opening and closing transmission belt 300 is working, the reset component 4 resets the first transmission component 2 and the second transmission component 3, and the opening and closing transmission belt 300 drives the slide at the end of the slide group to move. Regarding the opening and closing process of the curtain piece, please refer to the description of Example 1.

[0096] In summary, this embodiment shows a curtain machine that can realize the independence of the leaf-flipping action and the opening and closing action; and, when performing the opening and closing action, only the opening and closing transmission belt 300 needs to be driven to work, and the leaf-flipping transmission belt 200 does not need to work. Compared with the existing technology of the dual-belt drive structure such as CN112554765A or CN215634784U, the curtain machine consumes less energy and has less resistance when opening and closing the curtain pieces.

[0097] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0098] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sliding frame for a curtain machine, characterized in that: include: A frame, a first transmission assembly, a second transmission assembly, and a reset assembly; The frame is provided with a limit shaft and a rotatable dimming pendant, and the frame is also provided with a blocking portion for limiting the rotational travel of the dimming pendant; the first transmission assembly and the second transmission assembly are both slidably sleeved on the limit shaft; the frame is provided with a first card insertion portion; The first transmission assembly includes a first transmission body, a first clutch body, and a first resistance member. One end of the first transmission body is provided with a first meshing portion for transmission connection with the dimming pendant; the first clutch body is provided with a first circumferential transmission portion, and the first clutch body is provided with a first guide block located in an eccentric position at one end thereof close to the second transmission assembly. The first guide block is provided with first guide inclined surfaces on both sides along the rotation direction of the first guide block, and the first guide block is provided with a first stopper located between the two first guide inclined surfaces; the first transmission body and the first clutch body are coaxially arranged and can rotate relative to each other, and the first resistance member is used to provide resistance to hinder the relative rotation of the first transmission body and the first clutch body; The second transmission assembly includes a second transmission body, a second clutch body, and a second resistance member; one end of the second transmission body is provided with a second plug-in portion for correspondingly plugging into the first plug-in portion, and the second transmission body is provided with a second circumferential transmission portion; the second clutch body is provided with a second guide block at an eccentric position protruding from one end close to the first clutch body, the second guide block is provided with second guide inclined surfaces on both sides along the rotation direction of the second guide block, and the second guide block is provided with a second stop block located between the two second guide inclined surfaces; the second transmission body and the second clutch body are coaxially arranged and can rotate relative to each other, and the second resistance member is used to provide resistance to hinder the relative rotation of the second transmission body and the second clutch body; The reset assembly is used to drive the first transmission assembly and the second transmission assembly to move closer to each other; When the first engaging portion is separated from the dimming pendant, the first transmission body and the first clutch body rotate synchronously; when the first card insertion portion is separated from the second card insertion portion, the second transmission body and the second clutch body rotate synchronously.

2. The sliding frame for curtain machine according to claim 1, characterized in that: The first resistance member is a spring washer disposed between the first transmission body and the first clutch body; the second resistance member is a spring washer disposed between the second transmission body and the second clutch body.

3. The sliding frame for a curtain machine according to claim 2, characterized in that: A snap connection structure is formed between the first transmission body and the first clutch body, and a snap connection structure is formed between the second transmission body and the second clutch body.

4. The sliding frame for a curtain machine according to claim 3, characterized in that: The snap-fit connection structure between the first transmission body and the first clutch body is the same as the snap-fit connection structure between the second transmission body and the second clutch body; The buckle connection structure includes a plurality of hooks spaced apart along the circumference, a rotation space is formed between the hooks, a rotating disk is rotatably arranged in the rotation space, and the edge of the rotating disk is buckled with the hooks; One of the first transmission body and the first clutch body is provided with the hook, and the other is provided with the rotary disk; One of the second transmission body and the second clutch body is provided with the hook, and the other is provided with the rotary disk.

5. The sliding frame for a curtain machine according to claim 1, characterized in that: The frame is provided with a gear set. According to the transmission path, the first end of the gear set is provided with a second meshing portion for meshing with the first meshing portion of the first transmission body, and the second end of the gear set is transmission-connected to the dimming pendant.

6. The sliding frame for a curtain machine according to claim 5, characterized in that: One of the first meshing portion and the second meshing portion is a face gear structure formed by a plurality of face teeth, and the other is at least one face tooth, and the first meshing portion and the second meshing portion form a face meshing structure; One of the first card insertion part and the second card insertion part is an end face gear structure formed by a plurality of end face teeth, and the other is at least one end face tooth. The first card insertion part and the second card insertion part form an end face meshing structure.

7. The sliding frame for a curtain machine according to claim 1, characterized in that: The reset component is a magnetic traction structure or an elastic drive structure.

8. The sliding frame for a curtain machine according to claim 1, characterized in that: The first circumferential transmission part and the second circumferential transmission part are both synchronous wheel structures.

9. The sliding frame for a curtain machine according to claim 1, characterized in that: The frame is provided with an assembly hole for the dimming pendant to be rotatably set, the blocking part is a first protrusion set in the assembly hole, the outer periphery of the dimming pendant is convexly provided with a second protrusion, and the first protrusion is located on the circumferential rotation path of the second protrusion.

10. A curtain machine, characterized in that: comprising a guide rail and any one of claims 1 to 9; There are multiple slides, which are connected by distance pieces and form a slide group in the guide rail; An auxiliary transmission belt, a leaf-turning transmission belt and an opening and closing transmission belt are provided in the guide rail. The auxiliary transmission belt is fixedly provided in the guide rail, and the auxiliary transmission belt is in transmission cooperation with the second circumferential transmission part of the second transmission body; the leaf-turning transmission belt is in transmission cooperation with the first circumferential transmission part on the first transmission body, and the leaf-turning transmission belt is driven by the first driver; the opening and closing transmission belt is fixedly connected to the slide at the end of the slide group, and the opening and closing transmission belt is driven by the second driver.

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