CN216382301U - Mechanical clutch mechanism and automatic curtain device - Google Patents
Mechanical clutch mechanism and automatic curtain device Download PDFInfo
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- CN216382301U CN216382301U CN202122920724.6U CN202122920724U CN216382301U CN 216382301 U CN216382301 U CN 216382301U CN 202122920724 U CN202122920724 U CN 202122920724U CN 216382301 U CN216382301 U CN 216382301U
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- pull ring
- transmission
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Abstract
The utility model discloses a mechanical clutch mechanism and an automatic curtain device, wherein the automatic curtain device comprises: a drive member; the clamping piece is connected with the driving shaft of the driving piece; the transmission part is provided with a plurality of first clamping grooves; the clutch pushing assembly is arranged on the transmission part; one end of the pull ring is connected with the clutch pushing assembly, the clutch pushing assembly is driven to rotate by pulling the pull ring, and the clutch pushing assembly pushes the clamping piece to be separated from the first clamping groove. In the utility model, under the condition of power failure, the clutch pushing assembly is driven to rotate by manually pulling the pull ring, so that the clutch pushing assembly pushes the clamping piece to be separated from the first clamping groove, and meanwhile, the pull ring drives the transmission piece to rotate, thus realizing the purpose of manually pulling a curtain in the case of power failure and avoiding the phenomenon that the driving piece is damaged by rotating the driving shaft which drives the driving piece which is not electrified.
Description
Technical Field
The utility model relates to the technical field of automatic curtains, in particular to a mechanical clutch mechanism and an automatic curtain device.
Background
At present, electric automatic curtains are widely applied, but at present, some electric curtains are not provided with a device for manually opening and closing the curtain, and the opening and closing of the curtain cannot be realized when power is cut off or the electric device is damaged. Although some electric curtains are also provided with a mechanism for manually opening and closing the curtain, such as a pull ring, the conventional automatic curtains are generally driven electromagnetically, and when a power failure occurs or a driving motor cannot be used, and a worm of the automatic curtain is forcibly rotated by manually pulling the pull ring, a driving shaft of a driving device is forcibly rotated synchronously, and the driving device is not electrified, so that the driving device is easily damaged.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a mechanical clutch mechanism and an automatic curtain device are provided to overcome the defects in the prior art, so that the problem that a driving device is easily damaged when the automatic curtain is manually pulled in the power failure in the prior art is solved.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a mechanical clutch mechanism, comprising:
a drive member;
the clamping piece is connected with the driving shaft of the driving piece;
the transmission part is provided with a plurality of first clamping grooves matched with the clamping pieces;
the clutch pushing assembly is arranged on the transmission part; and
and one end of the pull ring is connected with the clutch pushing assembly, and the clutch pushing assembly is driven to rotate by pulling the pull ring, so that the clutch pushing assembly pushes the clamping piece to be separated from the first clamping groove and drives the transmission piece to rotate.
The mechanical clutch mechanism, wherein the clutch pushing assembly comprises:
the jacking piece is sleeved on the transmission piece, and a plurality of second clamping grooves are formed in the jacking piece;
the claw type embedded part is sleeved on the transmission part and positioned on the outer side of the jacking part;
one end of the pull ring is connected with the claw type embedded part, the claw type embedded part is clamped and connected with the propping part by pulling the pull ring, and the propping part is driven to rotate and move along the length direction of the transmission part so as to push the transmission part to be separated from the first clamping groove.
The mechanical clutch mechanism is characterized in that the transmission part is provided with a plurality of first bulges, and the first bulges are positioned on one side of the jacking part;
a plurality of arc-shaped grooves are formed in one side, facing the first bulges, of the jacking piece, and correspond to the first bulges one by one;
when the pull ring is not pulled, the clamping piece is clamped and embedded in the first clamping groove, and the clamping piece supports the supporting piece so that the first protrusion is located at the bottom of the corresponding arc-shaped groove.
The mechanical clutch mechanism is characterized in that two top ends of each arc-shaped groove are respectively provided with a limiting column, and the limiting columns are used for abutting against the first bulges after the first bulges slide to the top ends along the arc-shaped grooves so as to enable the transmission part and the jacking part to move synchronously.
The mechanical clutch mechanism is characterized in that the jacking piece is provided with a plurality of second clamping grooves which are arranged at intervals along the circumferential direction of the jacking piece;
the claw type embedded piece comprises an annular sleeving part and a plurality of clamping rods connected to one side of the annular sleeving part, the clamping rods are arranged in an annular shape at intervals along one side edge of the annular sleeving part, and the clamping rods correspond to the second clamping grooves one to one.
The mechanical clutch mechanism is characterized in that the outer side surface of each clamping rod is provided with a clamping and embedding part;
and a plurality of clamping holes are formed in the pull ring at intervals along the length direction of the pull ring, the clamping embedded part is embedded in the clamping holes by pulling the pull ring, and the clamping rod is embedded in the second clamping groove.
The mechanical clutch mechanism is characterized in that a limiting ring is arranged on the transmission piece along the circumferential direction of the transmission piece, and the limiting ring is positioned on one side, back to the clamping piece, of the jacking piece;
the transmission part is sleeved with a first spring, the first spring is positioned between the transmission part and the claw type embedded part, one end of the first spring is propped against the limiting ring, and the other end of the first spring is propped against the inner wall of the claw type embedded part.
The mechanical clutch mechanism is characterized in that a limiting block is arranged on a driving shaft of the driving part, a connecting rod is connected between the limiting block and the driving part, and the clamping part is sleeved on the connecting rod;
the connecting rod is sleeved with a second spring, one end of the second spring supports against the limiting block, and the other end of the second spring supports against the clamping piece.
The mechanical clutch mechanism, wherein the engaging piece includes:
the connecting block is sleeved on the connecting rod;
the second protrusions are connected to one side, back to the limiting block, of the connecting block, and the second protrusions correspond to the first clamping grooves one to one.
An automatic curtain device comprises a worm and the mechanical clutch mechanism, wherein the mechanical clutch mechanism is connected with the worm.
Has the advantages that: in the utility model, under the condition of power failure, the clutch pushing assembly is driven to rotate by manually pulling the pull ring, so that the clutch pushing assembly pushes the clamping piece to be separated from the first clamping groove, and meanwhile, the pull ring drives the transmission piece to rotate, thus realizing the purpose of manually pulling a curtain in the case of power failure and avoiding the phenomenon that the driving piece is damaged by rotating the driving shaft which drives the driving piece which is not electrified.
Drawings
FIG. 1 is a schematic structural view of the automatic window covering device according to the present invention;
FIG. 2 is an exploded view of the automatic window covering (not including the pull ring) according to the present invention;
FIG. 3 is a schematic structural view of the supporting member provided in the present invention;
FIG. 4 is a schematic structural view of the claw fitting provided by the present invention;
FIG. 5 is a partial structural schematic view of the tab provided by the present invention;
FIG. 6 is a schematic structural view of the supporting member provided in the present invention;
the labels in the figures are: 1. a drive member; 2. a drive shaft; 3. a fastener; 31. connecting blocks; 32. a second protrusion; 4. a transmission member; 5. a clutch pushing assembly; 51. a holding member; 52. a claw fitting; 521. an annular sleeving part; 522. a clamping rod; 6. a pull ring; 7. a first card slot; 8. a second card slot; 9. a first protrusion; 10. an arc-shaped slot; 11. a limiting column; 12. a snap-fit portion; 13. a clamping hole; 14. a limiting ring; 15. a first spring; 16. a limiting block; 17. a connecting rod; 18. a second spring; 19. a sub-limiting groove; 20. a first latch; 21. a first jack; 22. a second bolt; 23. a second jack; 24. perforating; 100. a worm.
Detailed Description
The present invention provides a mechanical clutch mechanism and an automatic curtain device, and in order to make the objects, technical schemes and effects of the present invention clearer and clearer, the present invention is further described in detail below by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should also be noted that the same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The following description of the embodiments will further explain the present invention by referring to the figures.
The embodiment provides a mechanical clutch mechanism applied to an automatic window covering device, as shown in fig. 1 and fig. 2, the mechanical clutch mechanism includes a driving member 1, an engaging member 3, a transmission member 4, a clutch pushing assembly 5 and a pull ring 6, the engaging member 3 is connected to a driving shaft 2 of the driving member 1, wherein the driving member 1 is preferably a driving motor; the transmission part 4 is rotatably connected with the driving shaft 2, and a plurality of first clamping grooves 7 matched with the clamping pieces 3 are arranged on the transmission part 4, namely, the clamping pieces 3 can be clamped with the first clamping grooves 7; under the normal condition of the mechanical clutch mechanism, that is, under the condition that no external force is applied to the pull ring 6 or the clutch pushing assembly 5, the clamping piece 3 and the plurality of first clamping grooves 7 are clamped, so that when the driving member 1 works, the clamping piece 3 can drive the transmission shaft to synchronously rotate; the clutch pushing assembly 5 is arranged on the transmission member 4, and the clutch pushing assembly 5 is used for pushing the clamping member 3 out of the first clamping groove 7 and separating from the transmission member 4 under the condition that the driving member 1 is not electrified due to power failure and only a curtain can be pulled manually; one end of the pull ring 6 is connected with the clutch pushing assembly 5, when the driving member 1 cannot work due to power failure, a user can drive the clutch pushing assembly 5 to rotate by manually pulling the pull ring 6, so that the clutch pushing assembly 5 pushes the clamping member 3 to be separated from the first clamping groove 7 and drive the transmission member 4 to rotate. That is to say, when the pull ring 6 is pulled, the engaging member 3 is pushed away from the first engaging groove 7 by the clutch pushing assembly 5 and is separated from the driving member 4, and when the pull ring 6 is continuously pulled, the pull ring 6 can drive the driving member 4 to rotate so as to manually open or close the window curtain, but at the same time, the driving member 4 cannot drive the engaging member 3 to rotate, so that the driving member 1 is prevented from being damaged due to the forced rotation of the driving shaft 2 of the driving member 1 driven by the engaging member 3.
In the utility model, under the condition of power failure, the clutch pushing assembly 5 is driven to rotate by manually pulling the pull ring 6, so that the clutch pushing assembly 5 pushes the clamping piece 3 to be separated from the first clamping groove 7, and meanwhile, the pull ring 6 drives the transmission piece 4 to rotate, thus realizing the purpose of manually pulling a curtain in the power failure and avoiding the phenomenon that the driving shaft 2 driving the driving piece 1 which is not electrified rotates to damage the driving piece 1. In addition, the mechanical clutch mechanism is adopted in the application, and compared with an electromagnetic mechanism in the prior art, the stability is better.
Specifically, as shown in fig. 2, the clutch pushing assembly 5 includes a supporting member 51 and a claw engaging member 52, the supporting member 51 is sleeved on the transmission member 4, the supporting member 51 is provided with a plurality of second engaging grooves 8, and the claw engaging member 52 is sleeved on the transmission member 4 and located outside the supporting member 51; one end of the pull ring 6 is connected with the claw fitting piece 52, the pull ring 6 is in a belt shape and is sleeved on the claw fitting piece 52, so that the pull ring 6 is partially contacted with the claw fitting piece 52 no matter the pull ring is static or pulled; a user can pull the pull ring 6 to enable the claw type embedding piece 52 to be in clamping connection with the supporting piece 51, and drive the supporting piece 51 to rotate and move along the length direction of the transmission piece 4 so as to push the transmission piece 4 to be separated from the first clamping groove 7; when the pull ring 6 is pulled, the pull ring 6 drives the claw type embedded part 52 to rotate, meanwhile, the claw type embedded part 52 is clamped with the propping part 51 to drive the propping part 51 to rotate synchronously, the propping part 51 can move along the length direction of the transmission part 4 when rotating, and the transmission part 4 is pushed to be separated from the first clamping groove 7, so that the clamping part 3 cannot be driven to rotate when the propping part 51 drives the transmission part 4 to rotate early.
The transmission piece 4 is provided with a plurality of first bulges 9, the transmission piece 4 is cylindrical, and the first bulges 9 are arranged around the circumference of the transmission piece 4; the first protrusions 9 are located on one side of the supporting member 51 opposite to the engaging member 3; as shown in fig. 3, a plurality of arc-shaped grooves 10 are formed in one side of the supporting member 51 facing the first protrusion 9, and the plurality of arc-shaped grooves 10 correspond to the plurality of first protrusions 9 one by one; when the pull ring 6 is not pulled, the engaging member 3 is engaged with the first engaging groove 7, and the engaging member 3 supports the supporting member 51, so that the first protrusion 9 is located at the bottom of the corresponding arc-shaped groove 10; when the pull ring 6 is pulled, the pull ring 6 drives the claw type embedded part 52 to rotate, the claw type embedded part 52 is clamped into the second clamping groove 8 of the propping part 51 and drives the propping part 51 to rotate, and the propping part 51 moves towards the direction close to the driving part 1 under the extrusion of the first protrusion 9 due to the interference of the first protrusion 9 when the propping part 51 rotates, so that the clamping part 3 is extruded and the clamping part 3 is separated from the first clamping groove 7.
Two top ends of each arc-shaped groove 10 are respectively provided with a limiting column 11, and the limiting columns 11 are used for abutting against the first bulges 9 after the first bulges 9 slide to the top ends along the arc-shaped grooves 10, so that the transmission piece 4 and the jacking piece 51 move synchronously. Specifically, after the pull ring 6 is pulled, the claw-type engaging member 52 is pressed into the second slot 8 by the pull ring 6, and then the supporting member 51 is driven to rotate relative to the rotating member, at this time, the first protrusion 9 slides along the inner wall of the corresponding arc-shaped groove 10 until the first protrusion 9 slides to the top end of the arc-shaped groove 10, the first protrusion 9 abuts against the limiting column 11, at this time, the pull ring 6 is continuously pulled in the same direction, and the transmission member 4 rotates synchronously with the supporting member 51.
The supporting piece 51 is provided with a plurality of second clamping grooves 8, and the plurality of second clamping grooves 8 are arranged at intervals along the circumferential direction of the supporting piece 51; as shown in fig. 4, the claw engaging member 52 includes an annular sleeve portion 521 and a plurality of engaging rods 522 connected to one side of the annular sleeve portion 521, the plurality of engaging rods 522 are annularly arranged along an edge of one side of the annular sleeve portion 521 at intervals, and the plurality of engaging rods 522 are in one-to-one correspondence with the plurality of second engaging grooves 8; the annular sleeve part is provided with a through hole, and the annular sleeve part 521 is sleeved on the transmission part 4 through the through hole; the clamping grooves extend along the axial direction of the transmission member 4, the clamping rods 522 are parallel to the clamping grooves, and two ends of each second clamping groove 8 are open, so that when the claw type embedded member 52 is pressed by the pull ring 6, the clamping rods 522 can be pressed into the corresponding second clamping grooves 8, and the length of the clamping rods 522 is longer than that of the second clamping grooves 8 extending along the axial direction of the transmission member 4, so that the clamping rods 522 are not easy to separate from the second clamping grooves 8, and the supporting members 51 can be well driven to rotate synchronously.
Each of the engaging rods 522 is provided with an engaging portion 12 on an outer side surface thereof, as shown in fig. 5, the pull ring 6 is provided with a plurality of engaging holes 13 at intervals along a length direction of the pull ring 6, the engaging portion 12 is engaged with the engaging hole 13 by pulling the pull ring 6, and the engaging rod 522 is engaged with the second engaging groove 8; when a user pulls the pull ring 6 from an end of the pull ring 6 away from the claw engagement member 52, the engagement portions 12 are engaged in the corresponding engagement holes 13, so that the pull ring 6 can drive the claw engagement member 52 to move synchronously, and the engagement rods 522 are also pressed into the corresponding second engagement grooves 8 under the action of the pull ring 6, so that the supporting member 51 can rotate synchronously with the claw engagement member 52.
The claw type embedded part 52 is further provided with a limiting groove, the limiting groove is arranged around the outer sides of the clamping rods 522, the width of the limiting groove is matched with that of the pull ring 6, and people can clamp and embed one end, contacting with the claw type embedded part 52, of the pull ring 6 into the limiting groove when pulling the pull ring 6, so that the clamping stability of the pull ring 6 and the claw type embedded part 52 is guaranteed.
The limiting grooves comprise a plurality of sub limiting grooves 19, and the plurality of sub limiting grooves 19 correspond to the plurality of clamping rods 522 one by one; each sub-limiting groove 19 is arranged on the corresponding clamping rod 522, and each sub-limiting groove 19 is arranged in alignment to form an annular limiting groove; specifically, the sub-limiting grooves 19 are disposed along the length direction of the corresponding engaging rods 522, and both ends of the limiting grooves are open in the width direction of the engaging rods 522. The engaging portion 12 of the engaging rod 522 is disposed in the sub-limiting groove 19, and preferably, the engaging portion 12 is disposed in the middle of the sub-limiting groove 19.
A limiting ring 14 is arranged on the transmission piece 4 along the circumferential direction of the transmission piece 4, and the limiting ring 14 is positioned on one side of the jacking piece 51, which is opposite to the clamping piece 3; the transmission member 4 is sleeved with a first spring 15, the first spring 15 is located between the transmission member 4 and the claw-type engaging member 52, one end of the first spring 15 is supported against the limiting ring 14, and the other end of the first spring is supported against the inner wall of the claw-type engaging member 52. Since both the supporting member 51 and the claw engaging member 52 will move along the driving member 4 in a direction close to the driving member 1 after the pull ring 6 is pulled manually, the first spring 15 will be compressed in the process, and when the pull ring 6 is released, the supporting member 51 will be pushed back by the engaging member 3 until the first protrusion 9 is located at the bottom of the corresponding arc-shaped groove 10, and the claw engaging member 52 will also move away from the engaging member 3 under the elastic force of the first spring 15 to restore the initial position.
A limiting block 16 is arranged on the driving shaft 2 of the driving part 1, a connecting rod 17 is connected between the limiting block 16 and the driving part 4, one end of the connecting rod 17 is fixedly connected with the limiting block 16, and the other end of the connecting rod 17 is rotatably connected with the driving part 4; the clamping piece 3 is sleeved on the connecting rod 17, a second spring 18 is further sleeved on the connecting rod 17, one end of the second spring 18 supports the limiting block 16, and the other end of the second spring supports the clamping piece 3. When the engaging member 3 is disengaged from the first engaging groove 7 by the urging force of the urging member 51 and moves in the direction of the stopper 16 along the length direction of the connecting rod 17, the second spring 18 is compressed, and when the urging member 51 does not apply the urging force to the engaging member 3 any more, the engaging member 3 moves in the direction away from the stopper 16 by the elastic force of the second spring 18 until the engaging member 3 is engaged with the first engaging groove 7.
As shown in fig. 6, the engaging member 3 includes a connecting block 31 and a plurality of second protrusions 32, and the connecting block 31 is sleeved on the connecting rod 17 and slidably connected to the connecting rod 17; a through hole 24 is arranged on the connecting block 31, the through hole 24 is matched with the cross section shape of the connecting rod 17, and the connecting rod 17 is arranged in the through hole 24 in a penetrating way; the positions, between the limiting blocks 16 and the transmission pieces 4, of the connecting rods 17 are all set to be flat openings, and the flat openings refer to that the cross sections of the connecting rods 17 are non-circular sections, so that the connecting blocks 31 cannot rotate relative to the connecting rods 17; the second protrusions 32 are connected to one side, back to the connecting rod 17, of the connecting block 31, and the second protrusions 32 correspond to the first clamping grooves 7 one by one; when the supporting member 51 does not apply pressure to the engaging member 3, the second protrusions 32 are pushed into the first engaging groove 7 under the elastic force of the second spring 18, so that when the driving shaft 2 of the driving member 1 drives the engaging member 3 to rotate, the engaging member 3 can further drive the driving member 4 to rotate synchronously; when the supporting member 51 supports the second protrusion 32 and the second protrusion 32 is completely separated from the first engaging groove 7, the connecting rod 17 is rotatably connected to the transmission member 4, so that the transmission member 4 and the supporting member 51 rotate synchronously without driving the connecting rod 17 to rotate.
A first bolt 20 is arranged at one end of the driving shaft 2 close to the connecting rod 17, a first insertion hole 21 is arranged on the limiting block 16, and the first bolt 20 is arranged in the first insertion hole 21 in a penetrating manner, so that the limiting block 16 is fixedly connected with the driving shaft 2; the connecting rod 17 is close to the one end of drive shaft 2 is provided with second bolt 22, be provided with second jack 23 on the stopper 16, second bolt 22 wear to locate in the second jack 23, with stopper 16 with connecting rod 17 fixed connection.
The embodiment also discloses an automatic curtain device, which comprises a worm 100 and the mechanical clutch mechanism, wherein the mechanical clutch mechanism is connected with the worm 100; specifically, one end of the worm 100 is fixedly connected to the transmission member 4, so that when the transmission member 4 rotates, the worm 100 can rotate synchronously with the transmission member 4; the worm 100 is used for hanging a curtain, and when the worm 100 rotates, the worm can drive the curtain to move, so that the curtain can be automatically opened and closed.
In summary, the present invention discloses a mechanical clutch mechanism and an automatic curtain device, wherein the automatic curtain device comprises: a drive member; the clamping piece is connected with the driving shaft of the driving piece; the transmission part is provided with a plurality of first clamping grooves matched with the clamping pieces; the clutch pushing assembly is arranged on the transmission part; and one end of the pull ring is connected with the clutch pushing assembly, and the clutch pushing assembly is driven to rotate by pulling the pull ring, so that the clutch pushing assembly pushes the clamping piece to be separated from the first clamping groove and drives the transmission piece to rotate. In the utility model, under the condition of power failure, the clutch pushing assembly is driven to rotate by manually pulling the pull ring, so that the clutch pushing assembly pushes the clamping piece to be separated from the first clamping groove, and meanwhile, the pull ring drives the transmission piece to rotate, thus realizing the purpose of manually pulling the curtain in the power failure and avoiding the phenomenon that the driving piece is damaged by driving the driving shaft of the driving piece which is not electrified to rotate.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A mechanical clutch mechanism, comprising:
a drive member;
the clamping piece is connected with the driving shaft of the driving piece;
the transmission part is provided with a plurality of first clamping grooves matched with the clamping pieces;
the clutch pushing assembly is arranged on the transmission part; and
and one end of the pull ring is connected with the clutch pushing assembly, and the clutch pushing assembly is driven to rotate by pulling the pull ring, so that the clutch pushing assembly pushes the clamping piece to be separated from the first clamping groove and drives the transmission piece to rotate.
2. The mechanical clutch mechanism of claim 1, wherein the clutch actuation assembly comprises:
the jacking piece is sleeved on the transmission piece, and a plurality of second clamping grooves are formed in the jacking piece;
the claw type embedded part is sleeved on the transmission part and positioned on the outer side of the jacking part;
one end of the pull ring is connected with the claw type embedded part, the claw type embedded part is clamped and connected with the propping part by pulling the pull ring, and the propping part is driven to rotate and move along the length direction of the transmission part so as to push the transmission part to be separated from the first clamping groove.
3. The mechanical clutch mechanism according to claim 2, wherein a plurality of first protrusions are disposed on the transmission member, and the plurality of first protrusions are disposed on one side of the supporting member;
a plurality of arc-shaped grooves are formed in one side, facing the first bulges, of the jacking piece, and correspond to the first bulges one by one;
when the pull ring is not pulled, the clamping piece is clamped and embedded in the first clamping groove, and the clamping piece supports the supporting piece so that the first protrusion is located at the bottom of the corresponding arc-shaped groove.
4. The mechanical clutch mechanism according to claim 3, wherein two top ends of each of the arc-shaped grooves are provided with a limiting post, and the limiting posts are used for abutting against the first protrusions after the first protrusions slide to the top ends along the arc-shaped grooves, so that the transmission member and the supporting member move synchronously.
5. The mechanical clutch mechanism according to claim 2, wherein a plurality of second engaging grooves are formed in the supporting member, and the plurality of second engaging grooves are spaced along a circumferential direction of the supporting member;
the claw type embedded piece comprises an annular sleeving part and a plurality of clamping rods connected to one side of the annular sleeving part, the clamping rods are arranged in an annular shape at intervals along one side edge of the annular sleeving part, and the clamping rods correspond to the second clamping grooves one to one.
6. The mechanical clutch mechanism according to claim 5, wherein an engaging portion is provided on an outer side surface of each engaging rod;
and a plurality of clamping holes are formed in the pull ring at intervals along the length direction of the pull ring, the clamping embedded part is embedded in the clamping holes by pulling the pull ring, and the clamping rod is embedded in the second clamping groove.
7. The mechanical clutch mechanism according to claim 2, wherein a limiting ring is disposed on the transmission member along a circumferential direction of the transmission member, and the limiting ring is located on a side of the top holding member facing away from the engaging member;
the transmission part is sleeved with a first spring, the first spring is positioned between the transmission part and the claw type embedded part, one end of the first spring is propped against the limiting ring, and the other end of the first spring is propped against the inner wall of the claw type embedded part.
8. The mechanical clutch mechanism according to claim 1, wherein a limiting block is disposed on the driving shaft of the driving member, a connecting rod is connected between the limiting block and the driving member, and the engaging member is sleeved on the connecting rod;
the connecting rod is sleeved with a second spring, one end of the second spring supports against the limiting block, and the other end of the second spring supports against the clamping piece.
9. The mechanical clutch mechanism of claim 8, wherein the catch includes:
the connecting block is sleeved on the connecting rod;
the second protrusions are connected to one side, back to the connecting rod, of the connecting block, and correspond to the first clamping grooves one to one.
10. An automatic window covering device, characterized in that it comprises a worm and a mechanical clutch according to any one of claims 1-9, said mechanical clutch being connected to said worm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122920724.6U CN216382301U (en) | 2021-11-24 | 2021-11-24 | Mechanical clutch mechanism and automatic curtain device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122920724.6U CN216382301U (en) | 2021-11-24 | 2021-11-24 | Mechanical clutch mechanism and automatic curtain device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382301U true CN216382301U (en) | 2022-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122920724.6U Active CN216382301U (en) | 2021-11-24 | 2021-11-24 | Mechanical clutch mechanism and automatic curtain device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382301U (en) |
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2021
- 2021-11-24 CN CN202122920724.6U patent/CN216382301U/en active Active
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