Curtain ball gear assembly, curtain ball and dreamlike curtain

Abstract

The utility model discloses a curtain ball gear assembly, a curtain ball and a dreamy curtain, the ball gear assembly comprises a vertical driving transmission mechanism, a vertical driven transmission mechanism and a transverse transmission mechanism connected between the vertical driving transmission mechanism and the vertical driven transmission mechanism, and the vertical driven transmission mechanism is linked with the vertical driving transmission mechanism through the transverse transmission mechanism. According to the utility model, while the simple structure is guaranteed, the transmission performance during dimming is more reliable, the situation of unsmooth blockage is avoided, and the noise during transmission is reduced.

Description

Technical Field

[0001] The present invention relates to the field of smart home, and particularly to a curtain bead gear assembly, a curtain bead and a dream curtain. Background Art

[0002] The curtain beads in an electric curtain are mainly used to hang curtain sheets on a curtain track. Among them, for a dream curtain that can adjust the curtain sheets, the rotation of a dimming rod drives the beads to rotate synchronously, thereby realizing the adjustment of the angle of sunlight entering.

[0003] At present, the overall structure of the bead assembly of the dream curtain is single and relatively complex, the transmission performance is unreliable, there is jamming and lack of smoothness during operation, and noise is likely to occur. Summary of the Invention

[0004] The present invention provides a curtain bead gear assembly, a curtain bead and a dream curtain, so as to solve the problems that the existing curtain bead structure is single and relatively complex, the transmission performance is unreliable, there is jamming and lack of smoothness during operation, and noise is likely to occur.

[0005] In a first aspect, an embodiment of the present invention provides a curtain bead gear assembly, including a vertical active transmission mechanism, a vertical passive transmission mechanism, and a horizontal transmission mechanism connected between the vertical active transmission mechanism and the vertical passive transmission mechanism. The vertical passive transmission mechanism is linked with the vertical active transmission mechanism through the horizontal transmission mechanism.

[0006] Further, an avoidance space is formed between the vertical active transmission mechanism and the vertical passive transmission mechanism.

[0007] Further, the avoidance space is formed below the horizontal transmission mechanism.

[0008] Further, at least part of the avoidance space penetrates through the front end face and the rear end face of the curtain bead gear assembly.

[0009] Further, the opening of the avoidance space is located at the bottom of the bead gear assembly, and the avoidance space is used for the stop edge of the curtain track body to extend upwardly into.

[0010] Further, the vertical active transmission mechanism is driven by a dimming rod of the curtain, and the vertical passive transmission mechanism is used to drive a curtain hanging member.

[0011] Further, the vertical active transmission mechanism includes a dimming rod socket member coaxially arranged with the dimming rod, and further includes a common adapter member linked with the dimming rod socket member. The horizontal transmission mechanism includes the common adapter member and a first bevel gear body linked with the common adapter member. The vertical passive transmission mechanism includes a second bevel gear body linked with the first bevel gear body.

[0012] Further, the first bevel gear body of the lateral transmission mechanism and the common adapter are integrally formed, or the first bevel gear body of the lateral transmission mechanism and the common adapter are assembled separately.

[0013] Further, the light-dimming rod socket includes a ball-bearing rotating shaft and a ball-bearing worm. The ball-bearing rotating shaft is used for the light-dimming rod to pass through and be sleeved, and the ball-bearing worm is sleeved around the ball-bearing rotating shaft.

[0014] Further, worm teeth are formed on the outer wall surface of the ball-bearing worm, the common adapter includes a ball-bearing worm gear, and worm gear teeth are formed on the outer wall surface of the ball-bearing worm gear to cooperate with the worm teeth.

[0015] Further, the ball-bearing worm gear is horizontally arranged, a shaft hole is formed in the middle of the ball-bearing worm gear, the first bevel gear body is horizontally arranged, includes a first bevel gear, and further includes a positioning column horizontally extending along the corresponding direction of the shaft hole on the first bevel gear. The positioning column is used to cooperate with the shaft hole.

[0016] Further, the second bevel gear body is vertically arranged, the second bevel gear body includes a second bevel gear, the second bevel gear is used to mesh with the first bevel gear, and the second bevel gear body further includes a shaft sleeve extending downward from the second bevel gear. The shaft sleeve is used to install the curtain hanging member.

[0017] Further, a first standard alignment structure is provided on the first bevel gear body, a second standard alignment structure is provided on the second bevel gear body, and the first standard alignment structure and the second standard alignment structure are used to unify at least the relative meshing angle between the first bevel gear body and the second bevel gear body.

[0018] Further, the first standard alignment structure includes a positioning groove opened on the first bevel gear body, and the second standard alignment structure includes a positioning protrusion opened on the second bevel gear body.

[0019] Further, the positioning groove is opened on the positioning column, and the opening of the positioning groove faces downward and is located on the peripheral wall of the positioning column. The positioning protrusion is arranged on the inner wall surface of the shaft sleeve.

[0020] In a second aspect, an embodiment of the present invention provides a curtain ball bearing, including a ball bearing housing and a curtain hanging member provided on the ball bearing housing. A curtain ball bearing gear assembly as described in the first aspect is further provided inside the ball bearing housing.

[0021] Further, a relief groove is formed at a position corresponding to the relief space on the ball bearing housing.

[0022] Further, a distance piece positioning structure is provided on the above-mentioned ball bearing housing. The distance piece positioning structure includes an installation groove and retaining edges located on both sides of the opening of the installation groove. The installation groove is opened on the side surface of the ball bearing housing, and the two retaining edges are oppositely arranged in the vertical direction.

[0023] In a third aspect, an embodiment of the present invention provides a curtain bead, which includes a bead housing and a curtain hanging member provided on the bead housing. The bead housing further includes the curtain bead gear assembly described in the first aspect above. The bead housing includes a dimming rod fixing portion and a curtain hanging member fixing portion, and an avoidance groove is formed between the dimming rod fixing portion and the curtain hanging member fixing portion of the bead housing.

[0024] Further, the avoidance groove is a vertical groove, at least part of the vertical groove penetrates the front end face and the rear end face of the curtain bead, and the opening of the vertical groove is located at the bottom of the curtain bead.

[0025] Further, the avoidance groove gradually increases from small to large in the up-down direction.

[0026] Further, a first side surface is formed at the avoidance groove of the dimming rod fixing portion of the curtain bead, and a second side surface is formed at the avoidance groove of the curtain hanging member fixing portion of the curtain bead. The first side surface is an arc surface, and the second side surface is a vertical surface.

[0027] Further, the height of the top of the avoidance groove is not lower than the central height of the dimming rod in the vertical direction.

[0028] Further, a first sliding contact is formed at the bottom of the curtain hanging member fixing portion of the bead housing, and a second sliding contact is formed at the bottom of the dimming rod fixing portion of the bead housing.

[0029] In a fourth aspect, an embodiment of the present invention provides a curtain bead, which includes a bead housing and a curtain hanging member provided on the bead housing. The bead housing further includes the curtain bead gear assembly described in the first aspect above. A placement surface is formed at the corresponding position of the positioning post on the bead housing, and the shape of the placement surface corresponds to the shape of the peripheral wall of the positioning post.

[0030] Further, wing plates extend upward on both sides of the placement surface, the top ends of the wing plates are located above the positioning post, and a notch for the positioning post to be placed from top to bottom is formed between the two wing plates.

[0031] Further, the bead housing further includes a top cover. An upright wall is formed at the corresponding position of the notch at the bottom of the top cover, and the width of the upright wall corresponds to the width of the notch.

[0032] Further, a circular upright wall is further formed at the bottom of the top cover. The second bevel gear body further includes a column extending upward from the second bevel gear. The position of the circular upright wall corresponds to the position of the column.

[0033] Fifth aspect, an embodiment of the present invention provides a curtain bead. Inside the bead housing, there is also provided a curtain bead gear assembly as described in the first aspect. A through hole is provided at a position corresponding to the positioning groove on the bead housing, and an alignment port is provided at a position corresponding to the positioning protrusion on the bead housing.

[0034] Sixth aspect, an embodiment of the present invention provides a dream curtain, including a curtain track body, and further including the curtain bead gear assembly as described in the first aspect above.

[0035] Furthermore, a stop edge is formed at a position corresponding to the avoidance space on the curtain track body, and the stop edge extends in the length direction of the curtain track body.

[0036] Furthermore, the curtain track body includes a curtain sliding groove at the bottom for the curtain hanging member to extend out, and the stop edge is located between the vertical active transmission mechanism and the curtain sliding groove.

[0037] Furthermore, the curtain track body includes a track profile. The track profile forms the curtain sliding groove at the bottom, and the track profile extends upward from the position corresponding to the avoidance space of the curtain sliding groove to form the stop edge.

[0038] Seventh aspect, an embodiment of the present invention provides a dream curtain, including a curtain track body, and further including the curtain bead as described in any one of the second aspect to the fifth aspect above. A stop edge is formed at a position corresponding to the avoidance space on the curtain track body, and the stop edge extends in the length direction of the curtain track body.

[0039] Furthermore, the curtain track body includes a curtain sliding groove at the bottom for the curtain hanging member to extend out, and the stop edge is located between the vertical active transmission mechanism and the curtain sliding groove.

[0040] Furthermore, the curtain track body includes a track profile. The track profile includes a part for forming the curtain sliding groove at the bottom, and the track profile extends upward from the position corresponding to the avoidance space of the curtain sliding groove to form the stop edge.

[0041] An embodiment of the present invention provides a curtain bead gear assembly, including a vertical active transmission mechanism, a vertical passive transmission mechanism, and a horizontal transmission mechanism connected between the vertical active transmission mechanism and the vertical passive transmission mechanism. The vertical passive transmission mechanism is linked with the vertical active transmission mechanism through the horizontal transmission mechanism. This changes the horizontally arranged power transmission mechanism of the traditional gear assembly into a "vertical + horizontal + vertical" power transmission mechanism. While ensuring a simple structure, it makes the transmission performance during dimming more reliable, avoids the situation of jamming and being unsmooth, reduces the noise during transmission, and at the same time, provides more possibilities for the subsequent optimization of the curtain track structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0043] Figure 1 is a perspective view of the curtain bead gear assembly in one or more embodiments of the present invention, and a curtain hanging member is also shown in the figure;

[0044] Figure 2 is a perspective view of a curtain bead from one perspective in one or more embodiments of the present invention;

[0045] Figure 3 is a perspective view of the curtain bead from another perspective in one or more embodiments of the present invention;

[0046] Figure 4 is Figure 3 an exploded view of;

[0047] Figure 5 is a sectional view of the dream curtain from a three-dimensional perspective in one or more embodiments of the present invention. A curtain bead as shown in Figure 2 is installed on the dream curtain. The cutting plane is located in the vertical plane and the cutting position is at the curtain bead. A partial enlarged view of the cutting plane is also shown in the figure;

[0048] Figure 6 is a perspective view of the second bevel gear body in one or more embodiments of the present invention;

[0049] Figure 7 is a perspective view of the curtain hanging member in one or more embodiments of the present invention;

[0050] Figure 8 is Figure 2 a sectional view from the front view perspective of, the cutting plane is located in the vertical plane and the cutting position is at the positioning groove;

[0051] Figure 9 is a perspective view of the bead housing in one or more embodiments of the present invention;

[0052] Figure 10 is a perspective view of the top cover in the fifth embodiment of the present invention;

[0053] Figure 11 is a perspective view of the dream curtain in the seventh embodiment of the present invention

[0054] Figure 12 is a perspective view of the track profile in the seventh embodiment of the present invention;

[0055] Figure 13 is Figure 11 the front view of;

[0056] Figure 14 is the three-dimensional view of the curtain bead chain in the sixth embodiment of the present invention. Detailed implementation manners

[0057] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0058] When ordinal numbers such as "first" and "second" are mentioned in the embodiments of the present invention, unless they actually express an order meaning according to the context, they should be understood as merely for distinction. The "vertical transmission mechanism" referred to in the embodiments of the present invention is used to indicate that the transmission direction of the power of the transmission mechanism is vertical, including the power transmission from bottom to top and also including the power transmission from top to bottom. Similarly, the "horizontal transmission mechanism" is used to indicate that the transmission direction of the power of the transmission mechanism is horizontal, including the power transmission from left to right and also including the power transmission from right to left. The above transmission directions "from bottom to top", "from top to bottom", "from left to right" and "from right to left" are exemplary descriptions and do not limit the present invention.

[0059] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0060] First embodiment:

[0061] The embodiment of the present invention provides a curtain bead chain gear assembly, including a vertical driving transmission mechanism, a vertical driven transmission mechanism, and a horizontal transmission mechanism connected between the vertical driving transmission mechanism and the vertical driven transmission mechanism. The vertical driven transmission mechanism is linked with the vertical driving transmission mechanism through the horizontal transmission mechanism, and an avoidance space is formed between the vertical driving transmission mechanism and the vertical driven transmission mechanism.

[0062] The vertical driving transmission mechanism, the vertical driven transmission mechanism and the horizontal transmission mechanism of the present invention can all be composed of one or more parts. When the transmission mechanism is composed of multiple parts, adjacent transmission mechanisms can share the same part as a common adapter.

[0063] In an embodiment of the present invention, a curtain bead gear assembly is provided, which includes a vertical driving transmission mechanism, a vertical driven transmission mechanism, and a horizontal transmission mechanism connected between the vertical driving transmission mechanism and the vertical driven transmission mechanism. The vertical driven transmission mechanism is linked with the vertical driving transmission mechanism through the horizontal transmission mechanism. This changes the horizontally arranged power transmission mechanism of the traditional gear assembly into a "vertical + horizontal + vertical" power transmission mechanism. While ensuring a simple structure, it makes the transmission performance during dimming more reliable, avoids jamming and unsmoothness, reduces the noise during transmission, and at the same time provides more possibilities for the subsequent optimization of the curtain track structure.

[0064] Second Embodiment:

[0065] Since the bead gear assembly of the dream curtain needs to additionally set the installation position of the dimming rod compared with the ordinary electric opening and closing curtain, the commonly used bead gear assembly of the dream curtain usually adopts a horizontally arranged power transmission mechanism. By converting the rotational kinetic energy of the dimming rod in the vertical plane into the rotational kinetic energy of the curtain hanging part in the horizontal plane, the power transmission is realized, thereby changing the angle of the curtain blades. Corresponding to the above bead gear assembly, the bottom of the bead housing of the dream curtain is usually designed to be flat. In order to prevent the dimming rod from slipping out of the curtain chute at the bottom of the track body, on the one hand, it is necessary to reduce the width of the curtain chute, and on the other hand, it is also necessary to set a flexible support above the curtain chute to adjust the width of the curtain chute.

[0066] However, due to the small width of the curtain chute, the processing efficiency is greatly affected. At the same time, setting a flexible support above the curtain chute also increases the production process, materials, and assembly costs. Therefore, it is necessary to provide a bead gear assembly, curtain bead, and dream curtain that are suitable for omitting the flexible support and ensuring that the curtain chute has a suitable width for processing.

[0067] Based on the above defects, in this embodiment, a curtain bead gear assembly is provided. Different from the first embodiment above, an avoidance space is formed between the vertical driving transmission mechanism and the vertical driven transmission mechanism.

[0068] As a specific solution rather than a limitation, the avoidance space is formed below the horizontal transmission mechanism. The avoidance space at least partially penetrates the front end face and the rear end face of the curtain bead gear assembly.

[0069] Specifically, in this embodiment, the avoidance space is a through space penetrating the front end face and the rear end face of the ball bearing gear assembly. A through hole is reserved at the corresponding position of the ball bearing housing in the through space. The ball bearing housing includes an upper housing located above the through hole and a lower housing located below the through hole. A stop edge is formed at the corresponding position of the curtain track body in the through hole. The stop edge is located above the curtain chute. The position height of the stop edge corresponds to the position height of the dimming rod, and the stop edge extends in the length direction of the curtain track body.

[0070] In this embodiment, the stop edge is not directly connected to the notch of the curtain chute. When installing the curtain ball bearing, the ball bearing lower housing and the ball bearing gear assembly can be installed first, and then the ball bearing upper housing can be installed. After the upper housing and the lower housing are installed, they are positioned on the stop edge through the through hole, and at the same time, the ball bearing housing can slide relative to the length direction of the curtain track body.

[0071] The embodiment of the present invention provides a curtain ball bearing gear assembly, including a vertical driving transmission mechanism, a vertical driven transmission mechanism, and a horizontal transmission mechanism connected between the vertical driving transmission mechanism and the vertical driven transmission mechanism. The vertical driven transmission mechanism is linked with the vertical driving transmission mechanism through the horizontal transmission mechanism. This changes the horizontally arranged power transmission mechanism of the traditional gear assembly into a "vertical + horizontal + vertical" power transmission mechanism, which is convenient for forming an avoidance space between the vertical driving transmission mechanism and the vertical driven transmission mechanism. When an avoidance groove is formed at the position of the ball bearing housing corresponding to the avoidance space, it is convenient for the stop edge of the curtain track body to extend into it to limit the dimming rod and prevent the dimming rod from slipping out of the curtain chute. By setting the ball bearing gear assembly as a "vertical + horizontal + vertical" power transmission mechanism, the embodiment of the present invention can reserve a space for the stop edge of the curtain track body to extend into at the avoidance space, so as to prevent the dimming rod from slipping out of the curtain chute. When processing the curtain track body, it is not necessary to deliberately reduce the width of the curtain chute, nor is it necessary to use a flexible support member to reduce the width of the curtain chute, which greatly improves the processing efficiency of the curtain track body, reduces the production process, and saves materials and assembly costs.

[0072] Third Embodiment:

[0073] Please refer to Figures 1 to 8 As shown in the figure, the embodiment of the present invention provides a curtain ball bearing gear assembly, including a vertical driving transmission mechanism, a vertical driven transmission mechanism, and a horizontal transmission mechanism connected between the vertical driving transmission mechanism and the vertical driven transmission mechanism. The vertical driven transmission mechanism is linked with the vertical driving transmission mechanism through the horizontal transmission mechanism, and an avoidance space 2 is formed between the vertical driving transmission mechanism and the vertical driven transmission mechanism.

[0074] As a specific solution rather than a limitation, the avoidance space 2 is formed below the lateral transmission mechanism. The avoidance space 2 at least partially penetrates the front end face and the rear end face of the curtain bead gear assembly.

[0075] As a preferred solution rather than a limitation, the opening of the avoidance space 2 is located at the bottom of the bead gear assembly, and the avoidance space 2 is used for the stop edge 91 of the curtain track body to extend upward from the bottom. Different from the above second embodiment, the curtain chute of the curtain track body corresponding to this embodiment is directly connected to the stop edge, and the stop edge 91 extends upward from the curtain chute to the corresponding position of the light-adjusting rod.

[0076] The vertical driving transmission mechanism is driven by the light-adjusting rod 3 of the curtain, and the vertical driven transmission mechanism is used to drive the curtain hanging member 4. As a specific solution rather than a limitation, the vertical driving transmission mechanism in this embodiment is used to transmit the power of the light-adjusting rod 3 from bottom to top to the lateral transmission mechanism, and the vertical driven transmission mechanism is used to transmit the power of the lateral transmission mechanism from top to bottom to the curtain hanging member 4.

[0077] Specifically, the vertical driving transmission mechanism includes a light-adjusting rod socket member 5 coaxially arranged with the light-adjusting rod 3, and also includes a common adapter member linked with the light-adjusting rod socket member 5. The lateral transmission mechanism includes the common adapter member and a first bevel gear body 6 linked with the common adapter member. The vertical driven transmission mechanism includes a second bevel gear body 7 linked with the first bevel gear body 6.

[0078] Among them, the light-adjusting rod socket member 5 includes a bead rotating shaft 51 and a bead worm 52. The bead rotating shaft 51 is sleeved outside the light-adjusting rod 3, and the bead worm 52 is sleeved outside the bead rotating shaft 51. In this embodiment, the shape of the inner wall surface of the bead rotating shaft 51 corresponds to the shape of the peripheral wall of the light-adjusting rod 3, so that the bead rotating shaft 51 can rotate synchronously with the light-adjusting rod 3. A positioning convex rib 511 is formed on the outer wall surface of the bead rotating shaft 51, and a positioning groove 521 is formed on the inner wall surface of the bead worm 52 at the corresponding position of the positioning convex rib 511. The positioning convex rib 511 cooperates with the positioning groove 521 at the corresponding angle to realize the circumferential fixation of the bead rotating shaft 51 and the bead worm 52 at the corresponding angle.

[0079] In the solution of the present invention, the first bevel gear body and the common adapter member of the above-mentioned lateral transmission mechanism are integrally formed, or the first bevel gear body and the common adapter member of the lateral transmission mechanism are separately assembled. Specifically in this embodiment, the first bevel gear body and the common adapter member are separately assembled.

[0080] As a specific solution rather than a limitation, a worm helix 522 is formed on the outer wall surface of the ball-bearing worm 52. The common adapter includes a ball-bearing worm wheel 8, and a worm wheel tooth 81 that mates with the worm helix 522 is formed on the outer wall surface of the ball-bearing worm wheel 8. Preferably, the ball-bearing worm wheel 8 of this embodiment further includes a limiting rib 82 that circumferentially penetrates through a plurality of worm wheel teeth 81, and the limiting rib 82 is at least used to limit the rotation angle of the ball-bearing worm 52.

[0081] As a specific solution rather than a limitation, the ball-bearing worm wheel 8 is horizontally arranged, and a shaft hole 83 is formed in the middle of the ball-bearing worm wheel 8. The first bevel gear body 6 is horizontally arranged, including a first bevel gear 61, and further includes a positioning column 62 that horizontally extends along the corresponding direction of the shaft hole 83 on the first bevel gear 61. The positioning column 62 is used to cooperate with the shaft hole 83. The first bevel gear 61 of this embodiment is arranged on a vertical plane, and the shapes of the positioning column 62 and the shaft hole 83 correspond to each other to achieve the circumferential fixation of the ball-bearing worm wheel 8 and the first bevel gear body 6.

[0082] Furthermore, the second bevel gear body 7 is vertically arranged. The second bevel gear body 7 includes a second bevel gear 71 arranged on a horizontal plane. The second bevel gear 71 is used to mesh with the first bevel gear 61. The second bevel gear body 7 further includes a shaft sleeve 72 that extends downward from the second bevel gear 71. The shaft sleeve 72 is used to mount the curtain hanging member 4.

[0083] In this embodiment, the shaft sleeve 72 includes a slot 721 formed in the middle, and further includes a positioning hole 722 formed on the shaft sleeve 72. The curtain hanging member 4 includes a hook 41 located at the bottom and a clamping portion 42 located above the hook 41. The clamping portion 42 is columnar and a buckle 421 is formed at a position corresponding to the positioning hole 722. When the columnar clamping portion 42 extends into the slot 721 of the shaft sleeve 72 and abuts against the bottom of the slot 721, the buckle 421 extends into the positioning hole 722 to achieve the fixation of the curtain hanging member 4 relative to the shaft sleeve 72.

[0084] It should be noted that those skilled in the art can also split the first bevel gear body 6 and the second bevel gear body 7 into multiple independent parts according to needs, or improve or evolve the specific structures of the first bevel gear body 6 and the second bevel gear body 7. Equivalent alternative solutions based on the inventive concept of the present invention all fall within the protection scope of the present invention.

[0085] In addition, in order to improve the assembly convenience of the curtain ball-bearing, those skilled in the art can also fix the second bevel gear body 7 and the curtain hanging member 4 through a fixing structure according to needs, or integrally form the second bevel gear body 7 and the curtain hanging member 4, or improve or evolve the specific structure at the connection of the second bevel gear body 7 and the curtain hanging member 4. Equivalent alternative solutions based on the inventive concept of the present invention all fall within the protection scope of the present invention.

[0086] As a preferred solution rather than a limitation, in order to improve the assembly convenience of the curtain bead, after the assembly is completed, the matching angles of the gear assemblies of the curtain beads are made consistent, so as to achieve the purpose that the setting angles of the curtain hangers and the curtain sheets are consistent in the later stage. A first standard alignment structure is provided on the first bevel gear body 6 of this embodiment, and a second standard alignment structure corresponding to the first standard alignment structure is provided on the second bevel gear body 7. The first standard alignment structure and the second standard alignment structure are used to unify at least the relative meshing angles of the first bevel gear body 6 and the second bevel gear body 7.

[0087] Specifically, the first standard alignment structure includes a positioning groove 63 opened on the first bevel gear body 6, and the second standard alignment structure includes a positioning protrusion opened on the second bevel gear body 7. The above positioning protrusion includes a positioning bump, a positioning flange or a positioning bump. In this embodiment, the positioning protrusion is a positioning flange 73. The positioning groove 63 is opened on the positioning column 62, and the opening of the positioning groove 63 faces downward and is located on the peripheral wall of the positioning column 62. The positioning flange 73 is opened on the inner wall surface of the bushing 72. Correspondingly, a positioning groove 422 is opened at the corresponding position of the clamping portion 42 of the curtain hanger 4 with respect to the positioning flange 73.

[0088] The embodiment of the present invention provides a first standard alignment structure and a second standard alignment structure. The first standard alignment structure is a positioning groove provided on the positioning column, and the second standard alignment structure is a positioning flange provided on the inner wall surface of the bushing. Moreover, the opening of the positioning groove faces downward and is in the same direction as the opening of the bushing. It is convenient to use the same jig to match the angles and uniformly adjust the parts of the gear assembly from below the curtain bead, so that the matching angles of the parts of each gear assembly are consistent, achieving the purpose that the setting angles of the curtain hangers and the curtain sheets are consistent in the later stage, improving the assembly convenience of the curtain bead and saving labor costs.

[0089] Fourth Embodiment:

[0090] The embodiment of the present invention provides a curtain bead, including a bead housing and a curtain hanger provided on the bead housing. A curtain bead gear assembly described in the first embodiment is further provided inside the bead housing.

[0091] In an embodiment of the present invention, a curtain bead gear assembly is provided, which includes a vertical driving mechanism, a vertical driven mechanism, and a horizontal driving mechanism connected between the vertical driving mechanism and the vertical driven mechanism. The vertical driven mechanism is linked with the vertical driving mechanism through the horizontal driving mechanism. This changes the horizontally arranged power transmission mechanism of the traditional gear assembly into a "vertical + horizontal + vertical" power transmission mechanism. While ensuring a simple structure, it makes the transmission performance during dimming more reliable, avoids jamming and unsmoothness, reduces the noise during transmission, and at the same time provides more possibilities for the subsequent optimization of the curtain track structure.

[0092] Fifth Embodiment:

[0093] Please refer to Figures 2 to 10 As shown, an embodiment of the present invention provides a curtain bead, which includes a bead housing 1. Inside the bead housing 1, there are also provided the curtain bead gear assembly and the curtain hanging member 4 described in the above third embodiment. At the corresponding position of the avoidance space on the bead housing 1, an avoidance groove 11 is formed.

[0094] As a specific solution rather than a limitation, the bead housing includes a dimming rod fixing part 12 and a curtain hanging member fixing part 13. An avoidance groove 11 is also formed between the dimming rod fixing part 12 and the curtain hanging member fixing part 13 of the bead housing 1.

[0095] Furthermore, the avoidance groove 11 is a vertical groove, and the vertical groove at least partially penetrates the front end face and the rear end face of the curtain bead, and the opening of the vertical groove is located at the bottom of the curtain bead.

[0096] As a preferred solution rather than a limitation, the avoidance groove gradually increases from small to large in the up-down direction. The dimming rod fixing part of the curtain bead forms a first side face at the avoidance groove, and the curtain hanging member fixing part of the curtain bead forms a second side face at the avoidance groove. The first side face is an arc surface, and the second side face is a vertical surface.

[0097] The stop edge 91 includes a top end. In some alternative solutions within the scope of the invention's protection, the height of the top end can be lower than the center height of the dimming rod 3. When the height of the top end of the stop edge 91 is at the same level as the lowest end height of the dimming rod 3, due to the natural deformation of the dimming rod 3 under the action of gravity, the dimming rod 3 will present a natural downward bending arc, so that the top end of the stop edge 91 at the same level as the lowest end height of the dimming rod 3 can limit a part of the downward-bending dimming rod 3, which can play a certain role in preventing the dimming rod 3 from falling out of the curtain chute. Preferably, in this embodiment, the height of the top end is not lower than the center height of the dimming rod 3. The height of the top end of the stop edge 91 not being lower than the center height of the dimming rod 3 enables the stop edge 91 to effectively limit the dimming rod 3, so as to more effectively prevent the dimming rod 3 from disengaging from the curtain chute 92.

[0098] In this embodiment, the dimming rod fixing part 12 includes an annular opening 122. At the annular opening 122, at least the inner wall surface of the ball running shaft 51 is exposed, and the middle space surrounded by the annular opening 122 is for the dimming rod 3 to be inserted and arranged.

[0099] In this embodiment, a distance piece positioning structure is provided on the above-mentioned ball running housing 1. The distance piece positioning structure includes an installation groove 14 and retaining edges 15 located on both sides of the opening of the installation groove 14. The installation groove 14 is opened on the side surface of the ball running housing 1, and the two retaining edges 15 are oppositely arranged in the vertical direction.

[0100] As a specific solution rather than a limitation, the distance piece positioning structure is arranged on the side surface of the ball running housing close to the curtain hanging part fixing portion 13, and the retaining edges 15 enclose part of the opening of the installation groove 14. In this embodiment, the installation groove 14 is provided on the side surface of the ball running housing 1, and at the same time, the two retaining edges 15 are oppositely arranged in the vertical direction, so that the distance piece is fixed on the ball running housing 1 in an upright manner, which is convenient for the turning of the curtain track and expands the application scenario of the curtain ball running of this embodiment.

[0101] As a preferred solution rather than a limitation, a placement surface 16 is formed at the corresponding position of the ball running housing 1 with respect to the positioning post 62, and the shape of the placement surface 16 corresponds to the shape of the peripheral wall of the positioning post 62. In this embodiment, the positioning post 62 is a hexagonal prism. For the convenience of the positioning post 62 to rotate on the placement surface 16, the placement surface 16 of this embodiment is a circular curved surface. The placement surface 16 is used to provide a supporting force for the positioning post 62 and thus assist in fixing the first bevel gear body 6. On the one hand, it improves the installation convenience of the curtain ball running, and on the other hand, it also ensures the structural stability of the internal gear assembly of the curtain ball running.

[0102] As a preferred solution rather than a limitation, wing plates 17 extend upward on both sides of the placement surface 16. The top ends of the wing plates 17 are located above the positioning post 62, and a notch for the positioning post 62 to be placed from top to bottom is formed between the two wing plates 17 on both sides. The wing plates 17 assist in fixing the positioning post 62 on both sides. On the one hand, it improves the installation convenience of the curtain ball running, and on the other hand, it also ensures the structural stability of the internal gear assembly of the curtain ball running.

[0103] Corresponding to the above improvements, the ball running housing 1 of this embodiment further includes a top cover 18. An upright wall 181 is formed at the bottom of the top cover 18 at the corresponding position of the notch, and the width of the upright wall 181 corresponds to the width of the notch. The upright wall 181 is used to close the notch between the wing plates 17 and plays a role in assisting in fixing the first bevel gear body 6.

[0104] As a preferred solution rather than a limitation, an annular vertical wall 182 is further formed at the bottom of the top cover 18. The second bevel gear body 7 further includes a column 74 extending upward from the second bevel gear 71. The position of the annular vertical wall 182 corresponds to the position of the column 74. The annular vertical wall 182 is used for the column 74 to extend into and assist in fixing the second bevel gear body 7, ensuring the structural stability of the internal gear assembly of the curtain bead.

[0105] As a preferred solution rather than a limitation, a bayonet 183 is further formed at the corresponding position of the top cover 18 relative to the bead worm gear 8. The bayonet 183 is used to assist in fixing the outer end of the bead worm gear 8.

[0106] Corresponding to the positioning groove 63 for uniformly adjusting the matching angle of the gear assembly of the curtain bead in the above-mentioned third embodiment, a through hole 19 is provided at the corresponding position of the bead housing 1 of this embodiment in the positioning groove 63, and a positioning port 131 is provided at the corresponding position of the bead housing in the positioning protrusion. So that after the bead gear assembly is placed in the bead housing 1, the matching angles of the various parts of the gear assembly can be adjusted to achieve the purpose of consistent setting angles of the later curtain hanging parts and the curtain sheets, further improving the assembly convenience of the curtain bead and saving labor costs.

[0107] As a preferred solution rather than a limitation, a first sliding contact 132 is formed at the bottom of the curtain hanging part fixing portion 13 of the bead housing, and a second sliding contact 121 is formed at the bottom of the light adjusting rod fixing portion 12 of the bead housing 1. Specifically, the first sliding contact 132 is located at the bottom of the bottom plate of the distance piece positioning structure. The first sliding contact 132 and the second sliding contact 121 are respectively located on both sides of the curtain bead and are used to contact the inner wall surface of the curtain track body, which can play the role of replacing the curtain bead roller to reduce the friction when the curtain bead slides in the curtain track body, while simplifying the structure of the curtain bead and ensuring the user experience.

[0108] As a specific solution rather than a limitation, the light adjusting rod fixing portion and the curtain hanging part fixing portion are located on both sides of the horizontal direction of the vertical groove. When the curtain bead is installed on the curtain track, both the light adjusting rod fixing portion and the curtain hanging part fixing portion are covered by the track profile.

[0109] In an embodiment of the present invention, a curtain bead gear assembly is provided, which includes a vertical driving transmission mechanism, a vertical driven transmission mechanism, and a horizontal transmission mechanism connected between the vertical driving transmission mechanism and the vertical driven transmission mechanism. The vertical driven transmission mechanism is linked with the vertical driving transmission mechanism through the horizontal transmission mechanism. This changes the horizontally arranged power transmission mechanism of the traditional gear assembly into a "vertical + horizontal + vertical" power transmission mechanism, facilitating the formation of an avoidance space between the vertical driving transmission mechanism and the vertical driven transmission mechanism. When an avoidance groove is formed at the position of the bead housing corresponding to the avoidance space, it is convenient for the stop edge of the curtain track body to extend into it to limit the dimming rod, preventing the dimming rod from slipping out of the curtain chute. By setting the bead gear assembly as a "vertical + horizontal + vertical" power transmission mechanism, an embodiment of the present invention can reserve a space for the stop edge of the curtain track body to extend into at the avoidance space, avoiding the dimming rod from slipping out of the curtain chute. When processing the curtain track body, it is not necessary to deliberately reduce the width of the curtain chute, nor is it necessary to use a flexible support member to reduce the width of the curtain chute. This greatly improves the processing efficiency of the curtain track body, reduces the production process, and saves materials and assembly costs.

[0110] Sixth Embodiment:

[0111] When the curtain bead is installed on the curtain track, considering that when dimming is achieved, during the rotation of the dimming rod, a driving force will be generated to cause the entire curtain bead to shake left and right, generating noise. Please refer to Figure 14 As shown, an embodiment of the present invention provides a curtain bead. Different from the fifth embodiment above, a height compensation member is further provided on the bead housing 1, and the height compensation member is located at the top of the bead housing 1. The height compensation member can be a protruding member 184 provided on the top cover 18, and the shape of the protruding member 184 includes cylindrical, prismatic, hemispherical, frustum-shaped, square frustum-shaped, or a combination of two / more of the above shapes.

[0112] As a specific solution rather than a limitation, the protruding member 184 in this embodiment can adopt a cylindrical bottom and a hemispherical top. The number of the protruding members 184 can be two, which are respectively provided at both ends of the top cover 18 to ensure the dynamic stability of the curtain bead when working in the curtain track body. The hemispherical top can be in contact with the corresponding inner wall surface of the curtain track body, or a certain gap can be reserved. This embodiment does not make any restrictions.

[0113] As a preferred solution rather than a limitation, the above-mentioned protruding member 184 can be integrally formed with the top cover 18.

[0114] This embodiment eliminates or reduces the longitudinal gap between the curtain roller and the corresponding cavity of the curtain track by providing a roller housing with a height compensation part, so that when the curtain roller is driven by the dimming rod in the curtain track body, the vertical displacement of the curtain roller can be effectively controlled, and the activity space of the curtain roller perpendicular to the dimming rod is limited, thereby effectively preventing the curtain roller from shaking left and right, thereby improving the dynamic stability of the curtain roller, which is beneficial to further reduce the noise generated by the curtain during operation and improve the user experience.

[0115] Seventh embodiment:

[0116] Please refer to Figure 5 ,as well as Figures 11 to 13 As shown, an embodiment of the present invention provides a dream curtain, including a curtain rail body, the curtain ball gear assembly described in the third embodiment, and the curtain ball described in the fifth embodiment. The curtain rail body is formed with a stop edge 91 at a corresponding position of the avoidance space, and the stop edge 91 extends in the length direction of the curtain rail body.

[0117] As a preferred solution but not a limitation, the curtain track body includes a curtain chute 92 at the bottom for the curtain hanger 4 to extend, and the stop edge 91 is located between the vertical active transmission mechanism and the curtain chute 92. Since the active transmission mechanism is fixed to the dimming rod 3, the above structure allows the dimming rod to be confined to the inner space of the curtain chute relative to the stop edge. When the height of the stop edge corresponds to the height of the dimming rod, the dimming rod can be effectively prevented from crossing the stop edge and falling from the curtain chute.

[0118] As a preferred solution but not a limitation, the curtain track body includes a track profile 9, the track profile 9 forms the curtain slide groove 92 at the bottom, and the track profile 9 extends upward from the curtain slide groove 92 at a corresponding position of the avoidance space to form the stop edge 91.

[0119] An embodiment of the present invention provides a curtain bead gear assembly, which includes a vertical active transmission mechanism, a vertical passive transmission mechanism, and a horizontal transmission mechanism connected between the vertical active transmission mechanism and the vertical passive transmission mechanism. The vertical passive transmission mechanism is linked with the vertical active transmission mechanism through the horizontal transmission mechanism. This changes the horizontally arranged power transmission mechanism of the traditional gear assembly into a "vertical + horizontal + vertical" power transmission mechanism, facilitating the formation of an avoidance space between the vertical active transmission mechanism and the vertical passive transmission mechanism. When an avoidance groove is formed at the position of the bead housing corresponding to the avoidance space, it is convenient for the stop edge of the curtain track body to extend in to limit the dimming rod, preventing the dimming rod from slipping out of the curtain chute. By setting the bead gear assembly as a "vertical + horizontal + vertical" power transmission mechanism, an embodiment of the present invention can reserve a space for the stop edge of the curtain track body to extend into at the avoidance space, so as to prevent the dimming rod from slipping out of the curtain chute. When processing the curtain track body, it is not necessary to deliberately reduce the width of the curtain chute, nor is it necessary to use a flexible support member to reduce the width of the curtain chute. This greatly improves the processing efficiency of the curtain track body, reduces the production process, and saves material and assembly costs.

[0120] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A curtain bead gear assembly, characterized in that, It includes a vertical driving transmission mechanism, a vertical driven transmission mechanism, and a horizontal transmission mechanism connected between the vertical driving transmission mechanism and the vertical driven transmission mechanism. The vertical driven transmission mechanism is linked with the vertical driving transmission mechanism through the horizontal transmission mechanism.

2. The curtain bead gear assembly according to claim 1, characterized in that, A clearance space is formed between the vertical driving transmission mechanism and the vertical driven transmission mechanism.

3. The curtain bead gear assembly according to claim 2, wherein The clearance space is formed below the horizontal transmission mechanism.

4. The curtain bead gear assembly according to claim 3, characterized in that, The clearance space at least partially penetrates the front end face and the rear end face of the curtain bead gear assembly.

5. The curtain bead gear assembly according to claim 4, wherein, The opening of the clearance space is located at the bottom of the bead gear assembly. The clearance space is used for the stop edge of the curtain track body to extend upwardly into it.

6. The curtain bead gear assembly according to any one of claims 1 to 5, characterized in that The vertical driving transmission mechanism is driven by the light-adjusting rod of the curtain, and the vertical driven transmission mechanism is used to drive the curtain hanging member.

7. The curtain bead gear assembly according to claim 6, wherein, The vertical driving transmission mechanism includes a light-adjusting rod socket member coaxially arranged with the light-adjusting rod, and further includes a common adapter member linked with the light-adjusting rod socket member. The horizontal transmission mechanism includes the common adapter member and a first bevel gear body linked with the common adapter member. The vertical driven transmission mechanism includes a second bevel gear body linked with the first bevel gear body.

8. The curtain bead gear assembly according to claim 7, characterized in that, The first bevel gear body and the common adapter member of the horizontal transmission mechanism are integrally formed, or the first bevel gear body and the common adapter member of the horizontal transmission mechanism are separately assembled.

9. The curtain bead gear assembly according to claim 8, wherein, The light-adjusting rod socket member includes a bead rotating shaft and a bead worm. The bead rotating shaft is used for the light-adjusting rod to pass through and be socketed, and the bead worm is sleeved around the bead rotating shaft.

10. The curtain bead gear assembly according to claim 9, wherein, Helical worm teeth are formed on the outer wall surface of the bead worm. The common adapter member includes a bead worm gear. Helical gear teeth are formed on the outer wall surface of the bead worm gear and are adapted to the helical worm teeth.

11. The curtain bead gear assembly according to claim 10, wherein, The bead worm gear is horizontally arranged. An axial hole is formed in the middle of the bead worm gear. The first bevel gear body is horizontally arranged and includes a first bevel gear. It further includes a positioning post horizontally extending along the corresponding direction of the axial hole of the first bevel gear. The positioning post is used for cooperating with the axial hole.

12. The curtain bead gear assembly according to claim 11, wherein, The second bevel gear body is vertically arranged and includes a second bevel gear. The second bevel gear is used for meshing with the first bevel gear. The second bevel gear body further includes a shaft sleeve extending downward from the second bevel gear. The shaft sleeve is used for installing the curtain hanging member.

13. The curtain bead gear assembly according to claim 12, characterized in that, A first standard alignment structure is provided on the first bevel gear body, and a second standard alignment structure is provided on the second bevel gear body. The first standard alignment structure and the second standard alignment structure are used to unify at least the relative meshing angle between the first bevel gear body and the second bevel gear body.

14. The curtain bead gear assembly according to claim 13, wherein, The first standard alignment structure includes a positioning groove formed on the first bevel gear body, and the second standard alignment structure includes a positioning protrusion formed on the second bevel gear body.

15. The curtain bead gear assembly according to claim 14, wherein The positioning groove is formed on the positioning post, and the opening of the positioning groove faces downward and is located on the peripheral wall of the positioning post. The positioning protrusion is arranged on the inner wall surface of the shaft sleeve.

16. A curtain bead, comprising a bead housing and a curtain hanging member provided on the bead housing, characterized in that, The bead housing further internally includes the curtain bead gear assembly as described in claim 1.

17. A curtain bead, comprising a bead housing and a curtain hanging member provided on the bead housing, characterized in that, The bead housing further internally includes the curtain bead gear assembly as described in any one of claims 2 to 4. The bead housing forms a relief groove at the corresponding position of the clearance space.

18. The curtain bead as claimed in claim 17, wherein The ball pen housing is provided with a spacer positioning structure, which includes an installation groove and retaining edges on both sides of the installation groove opening. The installation groove is opened on the side of the ball pen housing, and the two retaining edges are oppositely arranged in the vertical direction.

19. A curtain bead, comprising a bead housing and a curtain pendant provided on the bead housing, characterized in that, The interior of the ball pen housing further is provided with a curtain ball pen gear assembly as described in any one of claims 5 to 10. The ball pen housing includes a light adjusting rod fixing portion and a curtain hanging member fixing portion, and an avoidance groove is further formed between the light adjusting rod fixing portion and the curtain hanging member fixing portion of the ball pen housing.

20. The bead for curtain as claimed in claim 19, wherein, The avoidance groove is a vertical groove, which at least partially penetrates the front end face and the rear end face of the curtain ball pen, and the opening of the vertical groove is located at the bottom of the curtain ball pen.

21. The bead for curtain as claimed in claim 20, wherein, The avoidance groove gradually increases from small to large in the upward to downward direction.

22. The curtain bead as claimed in claim 21, wherein, The light adjusting rod fixing portion of the curtain ball pen forms a first side face at the avoidance groove, and the curtain hanging member fixing portion of the curtain ball pen forms a second side face at the avoidance groove. The first side face is an arc surface, and the second side face is a vertical surface.

23. The bead for curtain as claimed in claim 22, wherein, The height of the top of the avoidance groove is not lower than the central height of the light adjusting rod in the vertical direction.

24. The curtain bead as claimed in claim 23, wherein, The ball pen housing forms a first sliding contact at the bottom of the curtain hanging member fixing portion, and the ball pen housing forms a second sliding contact at the bottom of the light adjusting rod fixing portion.

25. A curtain bead, comprising a bead housing and a curtain hanging member provided on the bead housing, characterized in that, The interior of the ball pen housing further is provided with a curtain ball pen gear assembly as described in any one of claims 11 to 13. The ball pen housing forms a placement surface at the corresponding position of the positioning post, and the shape of the placement surface corresponds to the shape of the peripheral wall of the positioning post.

26. The bead for curtain as claimed in claim 25, wherein, Wing plates extend upward on both sides of the placement surface. The top ends of the wing plates are located above the positioning post, and a notch for the positioning post to be placed from top to bottom is formed between the two wing plates on both sides.

27. The curtain bead as claimed in claim 26, wherein, The ball pen housing further includes a top cover. An upright wall is formed at the bottom of the top cover at the corresponding position of the notch, and the width of the upright wall corresponds to the width of the notch.

28. The bead chain for curtain according to claim 27, wherein, An annular upright wall is further formed at the bottom of the top cover. The second bevel gear body further includes a column extending upward from the second bevel gear, and the position of the annular upright wall corresponds to the position of the column.

29. A curtain bead, comprising a bead housing and a curtain hanging member provided on the bead housing, characterized in that, The interior of the ball pen housing further is provided with a curtain ball pen gear assembly as described in claim 14 or 15. The ball pen housing is provided with a through hole at the corresponding position of the positioning groove, and the ball pen housing is provided with an alignment port at the corresponding position of the positioning protrusion.

30. A dream curtain, comprising a curtain track body, characterized in that, It further includes a curtain ball pen gear assembly as described in claim 1.

31. A dream curtain, comprising a curtain track body, characterized in that, It further includes a curtain ball pen gear assembly as described in any one of claims 2 to 15. A stop edge is formed at the corresponding position of the curtain track body in the avoidance space, and the stop edge extends in the length direction of the curtain track body.

32. The dream curtain according to claim 31, characterized in that, The curtain track body includes a curtain chute at the bottom for the curtain hanging member to extend out. The stop edge is located between the vertical driving mechanism and the curtain chute.

33. The dream curtain according to claim 32, characterized in that, The curtain track body includes a track profile. The curtain chute is formed at the bottom of the track profile, and the stop edge is formed by the track profile extending upward from the corresponding position of the curtain chute in the avoidance space.

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