Clutch, motor device and curtain control device

Abstract

The embodiments of the present invention disclose a clutch, a motor device and a curtain control device. The clutch includes: a driving force receiving part; a clutch control part, which is arranged on one side of the driving force receiving part; including: a first control member, which is connected to the driving force receiving part, and a first direction driving position and a first direction disengagement position connected to the first direction driving position are arranged on the side away from the driving force receiving part; a clutch member, which is located at the first direction driving position or the first direction disengagement position; a second control member, which is sleeved on the outside of the first control member and the clutch member; a driving force output part, which is arranged on the side of the clutch control part away from the driving force receiving part, and has a driving force transmission member. The embodiments of the present invention effectively solve the problems existing in the existing clutch because the magnetic separation method is used to realize the clutch function.

Description

Technical Field

[0001] The invention relates to the technical field of clutch control, and in particular to a clutch, a motor device and a curtain control device. Background Art

[0002] As a basic component in mechatronic mechanical transmission, the clutch usually uses magnetic separation to achieve the clutch function. The main way to achieve the clutch function of the existing clutch is based on electromagnetic principles or magnetic components, especially the mechanical clutch mainly uses magnetic beads to achieve the clutch function. In this way, the structure of the clutch is relatively simple and the magnetism is easier to control.

[0003] However, the clutch that uses an electromagnetic device to achieve the clutch function has a large size and is difficult to reduce; and the clutch that uses a magnetic component to achieve the clutch function has the problem of demagnetization of the magnetic component. Summary of the invention

[0004] Therefore, the embodiments of the present invention provide a clutch, a motor device and a curtain control device, which effectively solve the problems existing in the existing clutch because the clutch function is realized by using a magnetic separation method.

[0005] On the one hand, a clutch provided by an embodiment of the present invention includes: a driving force receiving part; a clutch control part, which is arranged on one side of the driving force receiving part; including: a first control member, which is connected to the driving force receiving part, and is provided with a first direction driving position and a first direction disengaging position connected to the first direction driving position on a side away from the driving force receiving part; a clutch member, which is located at the first direction driving position or the first direction disengaging position; a second control member, which is sleeved on the outside of the first control member and the clutch member; a driving force output part, which is arranged on the side of the clutch control part away from the driving force receiving part, and has a driving force transmitting member; wherein, when the clutch member is located at the first direction driving position, the clutch member cooperates with the driving force transmitting member; when the clutch member is located at the first direction disengaging position, the clutch member disengages from the driving force transmitting member.

[0006] In one embodiment of the present invention, the side of the first control member away from the driving force receiving portion is further provided with: a second direction driving position corresponding to the first direction driving position, a second direction disengagement position connected to the second direction driving position, and a transfer channel connecting the first direction driving position and the second direction driving position; wherein the clutch member can be switchably located at the first direction driving position or the second direction driving position via the transfer channel.

[0007] In one embodiment of the present invention, a guide position is provided inside the second control member near the first control member; wherein, when the clutch member is switchably located at the first direction driving position or the second direction driving position via the transfer channel, the clutch member is clamped between the guide position and the transfer channel.

[0008] In one embodiment of the present invention, a steering position is provided on a side of the first control member close to the driving force receiving portion, and the steering position is provided in the transfer channel; wherein, when the clutch member is switchably located in the first direction driving position or the second direction driving position via the transfer channel, the clutch member passes through the steering position.

[0009] In one embodiment of the present invention, a first matching position is provided at a position of the driving force transmission component corresponding to the first direction driving position, and a second matching position is provided at a position of the driving force transmission component corresponding to the second direction driving position; when the driving force receiving part receives the driving force in the first direction, the clutch component is clamped between the first direction driving position and the first matching position; when the driving force receiving part receives the driving force in the second direction opposite to the first direction, the clutch component is clamped between the second direction driving position and the second matching position.

[0010] In one embodiment of the present invention, a first matching position is provided at a position where the driving force transmission member corresponds to the first direction driving position; when the clutch member cooperates with the driving force transmission member, the clutch member is clamped between the first direction driving position and the first matching position.

[0011] In one embodiment of the present invention, more than two first-direction driving positions and correspondingly more than two first-direction disengagement positions are respectively provided at different positions of the first control member on a side away from the driving force receiving portion.

[0012] In one embodiment of the present invention, the first control member is a cylindrical structure; the clutch member is a spherical structure; and the second control member is rotatably sleeved on the outside of the first control member and the clutch member.

[0013] On the other hand, an embodiment of the present invention provides a motor device, comprising: a clutch as described in any one of the above embodiments; a motor body having a drive shaft, wherein the drive shaft is connected to a driving force receiving portion of the clutch.

[0014] On the other hand, an embodiment of the present invention provides a curtain control device, comprising: a motor device as described in any one of the above embodiments; a first winding drum, connected to the driving force output part of the motor device; a second winding drum; and a curtain control rope, wound between the first winding drum and the second winding drum.

[0015] In summary, the above-mentioned embodiments of the present application may have one or more of the following advantages or beneficial effects: i) the clutch member can be switched between the first direction driving position and the first direction disengaging position, so as to realize the cooperation or disengagement of the clutch member and the driving force transmission member, thereby realizing the clutch function; this method realizes the clutch function in a purely mechanical way, without using magnetic components, and thus does not cause problems caused by magnetic components; ii) the second direction driving position is added on the basis of the first direction driving position, and the clutch member can be switched between the first direction driving position and the second direction driving position through the transfer channel, so as to realize the clutch can realize the clutch function under the driving force in the first direction (for example, clockwise direction) or the second direction (for example, counterclockwise direction) respectively; iii) the first matching position and / or the second matching position corresponding to the first direction driving position and / or the second direction driving position are respectively arranged on the driving force transmission member, which can improve the cooperation strength between the clutch member and the driving force transmission member, so that under the cooperation condition, the clutch can output power more effectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0017] Figure 1 A schematic structural diagram of a clutch 100 provided in the first embodiment of the present invention.

[0018] Figure 2 for Figure 1 An exploded schematic view of clutch 100 is shown.

[0019] Figure 3 for Figure 2 The schematic diagram of the structure of the driving force receiving part 10 and the first control member 30 is shown.

[0020] Figure 4 for Figure 2 The clutch members 50 are shown as a schematic structural diagram in which they are respectively placed in the second direction driving position 33 .

[0021] Figure 5 for Figure 2 The clutch members 50 are shown as schematic structural diagrams of being respectively placed in the second direction disengaged position 34 .

[0022] Figure 6 for Figure 2 A schematic structural diagram of the second control component 40 is shown.

[0023] Figure 7 A schematic structural diagram of a motor device 200 provided in the second embodiment of the present invention.

[0024] Figure 8 Another schematic structural diagram of the motor device 200 provided in the second embodiment of the present invention.

[0025] Fig. 9 This is a schematic structural diagram of a curtain control device 300 provided in the third embodiment of the present invention.

[0026] Description of main component symbols:

[0027] 100 is a clutch; 10 is a driving force receiving portion; 11 is a driving force receiving member; 12 is a first limiting position; 20 is a clutch control portion; 30 is a first control member; 31 is a first direction driving position; 32 is a first direction disengaging position; 33 is a second direction driving position; 34 is a second direction disengaging position; 35 is a steering position; 36 is a transfer channel; 40 is a second control member; 41 is a guide position; 42 is a second limiting position; 50 is a clutch member; 60 is a driving force output portion; 61 is an output connection position; 62 is a driving force transmission member; 63 is a first matching position; 64 is a second matching position; 65 is a driving force output shaft;

[0028] 200 is a motor device; 210 is a motor body; 211 is a drive shaft; 220 is a reducer;

[0029] 300 is a curtain control device; 310 is a first winding drum; 320 is a second winding drum; 330 is a curtain control rope 330. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] [First embodiment]

[0032] See also Figure 1 , which is a schematic structural diagram of a clutch provided in the first embodiment of the present invention, wherein the clutch 100 includes, for example, a driving force receiving portion 10, a driving force output portion 60, and a clutch control portion 20 sandwiched between the driving force receiving portion 10 and the driving force output portion 60.

[0033] Among them, a driving force receiving part 10 is provided with a driving force receiving member 11 for connecting to the motor driving shaft on the side away from the clutch control part 20; the driving force output part 60 is provided with an output connection position 61 on the side away from the clutch control part 20, and the output connection position 61 outputs driving force and connects other rotating shafts or turntables.

[0034] For details, see Figure 2 The clutch control unit 20, for example, includes a first control member 30, which is connected to the driving force receiving unit 10 and is located between the driving force receiving unit 10 and the driving force output unit 60; a first direction driving position 31 and a first direction disengaging position 32 connected to the first direction driving position 31 are provided on the side of the first control member 30 close to the driving force output unit 60 (i.e., the side away from the driving force receiving unit 10). For example, the first control member 30 may be a cylindrical structure, and when the diameter of the first control member 30 is large, two or more first direction driving positions 31 and corresponding two or more first direction disengaging positions 32 may be evenly distributed on the side of the first control member 30 close to the driving force output unit 60.

[0035] Among them, the clutch control unit 20, for example, also includes a clutch component 50 and a second control component 40; wherein the clutch component 50 is arranged at the first direction driving position 31 or the first direction disengagement position 32; the second control component 40 is sleeved on the outside of the first control component 30 and the clutch component 50, and the second control component 40 is used to ensure that the clutch component 50 can be located in the first direction driving position 31 or the first direction disengagement position 32, and prevent the clutch component 50 from falling off from the first direction driving position 31 or the first direction disengagement position 32.

[0036] The driving force output part 60 is provided with a driving force transmission member 62 on the side close to the clutch control part 20; when the clutch 50 is located at the first direction driving position 31, the driving force transmission member 62 is connected with the clutch 50; when the clutch 50 is located at the first direction disengagement position 32, the driving force transmission member 62 and the clutch 50 are separated from the matching relationship. For example, the first direction driving position 32 and the first direction disengagement position 33 are both recessed grooves provided on the side of the first control member 30 close to the driving force output part 60, and the depth of the first direction disengagement position 33 is greater than the depth of the first direction driving position 31; therefore, when the clutch 50 is located at the first direction driving position 31, the driving force transmission member 62, the first control member 30 and the second control member 40 cooperate to clamp the clutch 50 at the first direction driving position 31; and when the clutch 50 is located at the first direction disengagement position 32, there is a gap between the driving force transmission member 62 and the clutch 50, that is, the driving force transmission member 62 and the clutch 50 are not in contact.

[0037] Preferably, the driving force transmission member 62 is provided with a first matching position 63 at a position corresponding to the first direction driving position 31; wherein, when the clutch member 50 is located at the first direction driving position 31, the clutch member 50 is sandwiched between the first direction driving position 31 and the first matching position 63. Preferably, the clutch member 50 is, for example, configured as a spherical structure, and the first matching position 63 may be a concave arc groove matching the spherical structure.

[0038] See also Figure 3 , the first control member 30 is also provided with a second direction driving position 33 and a second direction disengaging position 34 connected to the second direction driving position 33 on the side away from the driving force receiving portion 10, and the first control member 30 is also provided with a transfer channel 36 connecting the first direction driving position 31 and the second direction driving position 33. Among them, the clutch member 50 can move in the transfer channel 36, and can move from the first direction driving position 31 to the second direction driving position 33, and of course, can also move from the second direction driving position 33 to the first direction driving position 31. For example, the transfer channel 36 can be a groove opened on the side wall of the first control member 30, and the first direction driving position 31 and the second direction driving position 33 are respectively opened at the connection between the side wall of the first control member 30 and the side of the first control member 30 close to the driving force output portion 60.

[0039] Furthermore, a steering position 35 is also provided on the transfer channel 36, and the steering position 35 is located on a side of the first control member 30 close to the driving force receiving portion 10. Of course, the steering position 35 can also be provided at the connection between the first control member 30 and the driving force receiving portion 10. For example, the first direction driving position 31, the first direction disengaging position 32, the second direction driving position 33 and the second direction disengaging position 34 are respectively provided on a side of the first control member 30 close to the driving force output portion 60, and the transfer position 35 is provided on a side of the first control member 30 close to the driving force receiving portion 10. Of course, the first direction driving position 31, the first direction disengaging position 32, the second direction driving position 33 and the second direction disengaging position 34 can be respectively located at different positions of the transfer channel 36, and the first direction disengaging position 32 is located between the first direction driving position 31 and the transfer position 35, while the second direction disengaging position 34 is located between the second direction driving position 33 and the transfer position 35, so that the groove depth of the first direction disengaging position 32 and the second direction disengaging position 34 on the side of the first control member 30 close to the driving force output part 60 can be deeper than that of the first direction driving position 31 and the second direction driving position 33.

[0040] Of course, the first control member 30 can be provided with two or more relatively arranged first direction driving positions 31 and second direction driving positions 33, and correspondingly two or more transfer channels 36, and the clutch control unit 20 is provided with two or more clutch members 50; specifically, one clutch member 50 corresponds to a pair of first direction driving positions 31 and second direction driving positions 33.

[0041] For example, the size of the side of the first control member 30 close to the driving force output portion 60 can be provided with two first direction driving positions 31 and two first direction disengagement positions 32 respectively connected thereto, and also provided with second direction driving positions 33 respectively corresponding to the two first direction driving positions 31, and two second direction disengagement positions 34 respectively connected to the two second direction driving positions 33. Figure 4 and Figure 5 The first control member 31 is a cylindrical structure, and a first direction driving position 31, a first direction disengagement position 32, a second direction driving position 33 and a second direction disengagement position 34 are arranged in a half area close to the driving force output part 60; a first direction driving position 31, a first direction disengagement position 32, a second direction driving position 33 and a second direction disengagement position 34 are also arranged in the other half area of ​​the first control member 31 close to the driving force output 60. Figure 4 In the embodiment, the two clutch members 50 are respectively located at the two second direction driving positions 33; and Figure 5 In the embodiment, the two clutch members 50 are respectively located at the two second direction disengagement positions 34 .

[0042] For further information, see Figure 6 The second control member 40 may be a cylindrical structure matching the first control member 30. The second control member 40 is sleeved on the outside of the first control member 30 and the clutch member 50, and the second control member 40 can rotate relative to the first control member 30 and the clutch member 50. Specifically, the second control member 40 is provided with a guide position 41 near the inner side of the first control member 30, and the guide position 41 matches the transfer channel 36 so that the clutch member 50 can move in the transfer channel 36; of course, when the first control member 30 is provided with a plurality of transfer channels 36, for example, two, the corresponding second control member 40 may be provided with a plurality of guide positions 41, for example, two.

[0043] Furthermore, in order to ensure that the second control member 40 can be correctly matched and installed with the first control member 30, a first limiting position 12 can be set on the side of the driving force receiving portion 10, and a second limiting position 42 can be correspondingly set on the outer side of the second control member 40 away from the first control member 30. When the second control member 40 is sleeved on the outside of the first control member 31 and the clutch member 50, when the second limiting position 42 corresponds to the first limiting position 12, the second control member 40 is correctly sleeved on the first control member 30.

[0044] To facilitate a clearer understanding of the present embodiment, the specific implementation process of the clutch of the present embodiment is described in detail below.

[0045] The process in which the driving force receiving part 10 receives the driving force and drives the driving force output part 60 to output the driving force through the clutch part 20 is, for example:

[0046] On the one hand, when the driving force receiving part 10 receives the driving force in the first direction (counterclockwise direction) and rotates, the first control part 30 also rotates along the first direction driven by the driving force receiving part 10; at this time, the clutch part 50 is clamped between the second limiting position 42, the first direction driving position 31 and the first matching position 63, and under the matching action of the three, the clutch part 50 is fixed at the first direction driving position 31, and the clutch part 50 can transmit the driving force to the driving force transmission part 62 through the first matching position 63, so as to realize the rotation of the driving force output part 60 along the first direction.

[0047] On the other hand, when the driving force receiving part 10 receives the driving force in the second direction (clockwise direction), the clutch 50 is clamped between the second limiting position 42, the second direction driving position 33 and the second matching position 64, and under the cooperation of the three, the clutch 50 is fixed at the second direction driving position 33, and the clutch 50 can transmit the driving force to the driving force transmitting part 62 through the second matching position 64, so that the clutch 50 drives the driving force output part 60 to rotate along the second direction.

[0048] In the process that the driving force receiving unit 10 receives the driving force and drives the driving force output unit 60 to output the driving force through the clutch unit 20, the process in which the clutch unit 20 disengages from the driving force output unit 60 to stop outputting the driving force includes, for example:

[0049] When the clutch 50 is located at the first direction driving position 31 and drives the driving force output part 60 to output the driving force in the first direction, the driving force receiving part 10 stops receiving the driving force in the first direction, and the driving force receiving part 10 rotates a certain distance in the opposite second direction. At this time, the first control part 30 also rotates a certain distance in the second direction. At this time, the clutch 50 moves to the first direction disengagement position 32 relative to the first control part 30, thereby realizing the separation of the clutch part 20 and the driving force output part 60. Of course, when the clutch 50 is located at the second direction driving position 33 and drives the driving force output part 60 to output the driving force in the second direction, the process of realizing the separation of the clutch part 20 and the driving force output part 60 is similar to the above process, which will not be repeated here.

[0050] Of course, in the process of separating the clutch part 20 from the driving force output part 60, it can also be achieved in a manner that does not receive the reverse driving force through the driving force receiving part 10; for example, when the driving force receiving part 10 pauses to receive the driving force in the first direction (or the second direction), the second control member 40 is rotated along the second direction (or the first direction), and the second control member 40 can drive the clutch member 50 to move to the corresponding disengagement position through the guide position 41, which will not be repeated here.

[0051] When the driving force receiving unit 10 receives the driving force in the first direction and drives the driving force output unit 60 through the clutch unit 20 to output the driving force in the first direction, the driving force receiving unit 10 then receives the driving force in the second direction in the opposite direction and drives the driving force output unit 60 through the clutch unit 20 to output the driving force in the second direction. The process includes, for example:

[0052] When the clutch 50 is located at the first direction driving position 31, the driving force receiving part 10 drives the driving force output part 60 to output the first direction driving force through the clutch 20; at this time, the driving force receiving part 10 stops receiving the first direction driving force, and when receiving the reverse second direction driving force, the driving force receiving part 10 drives the first control part 30 to rotate in the reverse second direction again, so that the first control part 30 rotates relative to the second control part 40, and the second control part 40 moves the clutch 50 along the transfer channel 36 to the second direction driving position 33 through the guide position 41; thus, after the driving force receiving part 10 turns to receive the driving force in the second direction, the driving force output part 60 is driven by the clutch 20 to output the driving force in the second direction. Of course, the process of the driving force receiving part 10 switching from receiving the driving force in the second direction to receiving the driving force in the first direction is the same as the above process, which will not be repeated here.

[0053] [Second embodiment]

[0054] See also Figure 7 , which is a motor device provided in the second embodiment of the present invention. The motor device 200 includes, for example: the clutch 100 as described in the first embodiment and a motor body 210 connected to the clutch 100 .

[0055] Specifically, the motor body 210 has a driving shaft 211 for outputting driving force, and the driving shaft 211 is connected to the driving force receiving part 10 of the clutch 100. For example, the driving force receiving member 11 provided on the driving force receiving part 10 is a connecting shaft hole, and the driving shaft 211 is inserted into the connecting shaft hole, so that the motor body 211 outputs a positive or reverse driving force to the driving force receiving part 10.

[0056] The driving force output portion 60 of the clutch 100 may also be provided with an output connection position 61 (see Figure 1 and Figure 2 ), the output connection position 64 can be connected to the driving force output shaft 65 to output the driving force. For example, the output connection position 64 can be a connection hole with an internal thread, and the output shaft 65 has a threaded connection end matching therewith, and the threaded connection end is inserted into the connection hole to achieve the above purpose.

[0057] See also Figure 8The motor device 200 further includes, for example, a reducer 220. The reducer 220 is connected between the motor body 210 and the clutch 100. Specifically, the clutch 220 may be a planetary reducer, or other reducers, which will not be described in detail herein.

[0058] [Third embodiment]

[0059] See also Fig. 9 , which is a curtain control device provided in the third embodiment of the present invention, the curtain control device 300 for example comprises: the motor device 200 as described in the second embodiment, a first winding drum 310, a second winding drum 320 and a curtain control rope 330.

[0060] Specifically, the first wire drum 310 is connected to the driving force output part 60 of the motor device 200, and specifically, the first wire drum 310 can be connected to the driving force output shaft 65. A certain distance is set between the first wire drum 320 and the first wire drum 310, and the curtain control rope 330 is wound between the first wire drum 310 and the first wire drum 320. For example, the motor device 200 drives the first wire drum 310 to rotate through the driving force output part 60, and the first wire drum 310 drives the first wire drum 320 to rotate through the curtain control rope 330.

[0061] For example, the first winding drum 310 and the second winding drum 320 are respectively gear disks, and the curtain control rope 330 can be a gear belt that matches the gears of the gear disks, and the gear belt is meshed with the two gear disks; the motor device 200 drives the gear disk serving as the first winding drum 310 to rotate, and drives another gear disk meshed with the gear belt to rotate through the gear belt meshed with it, which will not be repeated here.

[0062] The use of the curtain control device includes, for example: fixing the first winding drum 310 and the first winding drum 320 at two ends of the window respectively, winding the curtain control rope 330 between the first winding drum 310 and the first winding drum 320, and connecting the motor device 200 to the first winding drum 310 or the first winding drum 320; and then hanging the curtain on the curtain control rope 330.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A clutch, characterized in that: include: a driving force receiving portion; A clutch control unit, disposed on one side of the driving force receiving unit; A first control member, connected to the driving force receiving portion, with a first direction driving position and a first direction disengaging position connected to the first direction driving position being provided on a side away from the driving force receiving portion; A clutch member, located in the first direction driving position or the first direction disengaging position; A second control member, sleeved on the outside of the first control member and the clutch member, and the second control member can rotate relative to the first control member and the clutch member; A driving force output portion, which is disposed on a side of the clutch control portion away from the driving force receiving portion and has a driving force transmission member; Wherein, when the clutch member is located in the first direction driving position, the clutch member cooperates with the driving force transmission member; When the clutch member is located at the disengagement position in the first direction, the clutch member is disengaged from the driving force transmission member; The first control member is a cylindrical structure; the clutch member is a spherical structure; the second control member is provided with a guide position on the inner side surface close to the first control member; The first control member is provided with a side away from the driving force receiving portion: a second direction driving position corresponding to the first direction driving position, and a transfer channel connecting the first direction driving position and the second direction driving position; Wherein, the clutch member can be switchably located in the first direction driving position or the second direction driving position via the transfer channel; When the clutch member is switchably located at the first direction driving position or the second direction driving position via the transfer channel, the clutch member is sandwiched between the guide position and the transfer channel.

2. The clutch according to claim 1, characterized in that: The first control member is further provided with a second direction disengaging position connected to the second direction driving position on a side away from the driving force receiving portion.

3. The clutch according to claim 2, characterized in that: include: A turning position is provided on a side of the first control member close to the driving force receiving portion, and the turning position is provided in the transfer channel; Wherein, when the clutch member is switchably located at the first direction driving position or the second direction driving position via the transfer channel, the clutch member passes through the steering position.

4. The clutch according to claim 2, characterized in that: A first matching position is provided at a position where the driving force transmission member corresponds to the first direction driving position, and a second matching position is provided at a position where the driving force transmission member corresponds to the second direction driving position; When the driving force receiving portion receives driving force in a first direction, the clutch member is clamped between the first direction driving position and the first matching position; when the driving force receiving portion receives driving force in a second direction opposite to the first direction, the clutch member is clamped between the second direction driving position and the second matching position.

5. The clutch according to claim 1, characterized in that: The driving force transmission member is provided with a first matching position at a position corresponding to the first direction driving position; when the clutch member cooperates with the driving force transmission member, the clutch member is sandwiched between the first direction driving position and the first matching position.

6. The clutch according to claim 1, characterized in that: The first control member is provided with more than two first-direction driving positions and correspondingly more than two first-direction disengagement positions on a side away from the driving force receiving portion.

7. A motor device, characterized in that: include: The clutch according to any one of claims 1 to 6; The motor body has a driving shaft, and the driving shaft is connected to the driving force receiving part of the clutch.

8. A curtain control device, characterized in that: include: The motor device according to claim 7; a first winding drum connected to the driving force output portion of the motor device; a second winding reel; The curtain control rope is wound between the first winding drum and the second winding drum.

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