Vertical curtain switching device and vertical curtain

Abstract

The utility model relates to a vertical curtain switching device and a vertical curtain, and the vertical curtain switching device comprises a left shell assembly, a right shell assembly, a rotating support column assembled on the left shell assembly and the right shell assembly, and a large gear and a transmission bevel gear which are rotatably connected to the rotating support column, the left shell assembly and the right shell assembly rotate around the center of the rotating supporting column so as to adjust the unfolding angle of the left shell assembly relative to the right shell assembly. The left shell assembly is provided with a left bevel gear meshed with the transmission bevel gear, the right shell assembly is provided with a right bevel gear meshed with the transmission bevel gear, and the left bevel gear and the right bevel gear are located between the transmission bevel gear and the large gear. The left bevel gear and the right bevel gear are located between the transmission bevel gear and the large gear, the overall gear layout structure can be optimized, assembly and adjustment of the gears are facilitated, and space layout is reasonable.

Description

Technical Field

[0001] The utility model relates to the technical field of shading, in particular to a vertical curtain, and more particularly to a vertical curtain switching device and a vertical curtain. Background Art

[0002] The vertical curtain can be used in combination with two track devices, and the connection parts of the two track devices are connected by a switching device. The vertical curtain is provided with a driving device, and the two track devices are driven by the driving device to operate synchronously to realize the opening and closing function or the dimming function. For example, Chinese public document CN219109171U discloses an angle adjustment docking transmission structure on an electric curtain.

[0003] However, the existing switching device has a centrally arranged transmission force, a small assembly space between the gears, and great difficulty in debugging, so improvement is needed. Utility Model Content

[0004] In order to overcome the problems existing in the related art, the embodiments of the present utility model provide a vertical curtain switching device and a vertical curtain.

[0005] According to a first aspect of the embodiment of the utility model, a vertical curtain switching device is provided, the vertical curtain switching device comprising a left shell assembly, a right shell assembly, a rotating support assembly mounted on the left shell assembly and the right shell assembly, a large gear and a transmission bevel gear rotatably connected to the rotating support assembly, the left shell assembly and the right shell assembly rotate around the center of the rotating support assembly to adjust the deployment angle of the left shell assembly relative to the right shell assembly;

[0006] The left housing component is provided with a left bevel gear meshing with the transmission bevel gear, and the right housing component is provided with a right bevel gear meshing with the transmission bevel gear. The left bevel gear and the right bevel gear are located between the transmission bevel gear and the large gear.

[0007] In one embodiment, the left shell assembly includes a left shell body inserted into the right shell assembly, the left shell body is provided with a left gear hole corresponding to the large gear, and at least a part of the large gear passes through the left shell body.

[0008] In one embodiment, the left shell includes a left mounting wall, an upper rotating wall and a lower rotating wall protruding from the left mounting wall, the rotating pillar connects the upper rotating wall and the lower rotating wall, the large gear and the transmission bevel gear are located between the upper rotating wall and the lower rotating wall, and the left bevel gear is rotatably connected to the left mounting wall.

[0009] In one embodiment, an upper step is provided between the left mounting wall and the upper rotating wall, the right shell assembly is rotatably connected to the upper rotating wall, and the upper step is used to limit the rotation angle of the right shell assembly; and / or,

[0010] A lower step is provided between the left mounting wall and the lower rotating wall, the right shell assembly is rotatably connected to the lower rotating wall, and the lower step is used to limit the rotation angle of the right shell assembly.

[0011] In one embodiment, the left housing includes a pivot portion disposed on the left mounting wall, and the pivot portion protrudes toward a side facing away from the upper rotating wall.

[0012] In one embodiment, the left housing assembly includes a rotating gear, the left bevel gear passes through the left mounting wall and is connected to the rotating gear, and the left bevel gear is rotatably connected to the left mounting wall.

[0013] In one embodiment, the right shell assembly includes a right shell body, the right shell body is engaged with the left shell assembly, the right shell body is provided with a right gear hole corresponding to the large gear, and at least part of the large gear passes through the right shell body.

[0014] In one embodiment, the rotating support comprises a stepped shaft, the transmission bevel gear is connected to the stepped shaft, and the large gear is sleeved on the stepped shaft.

[0015] In one embodiment, an anti-rotation boss is provided at the end of the stepped shaft, and the anti-rotation boss is embedded in the right shell assembly.

[0016] According to a second aspect of an embodiment of the utility model, a vertical curtain is provided, comprising a first track device and a second track device, the vertical curtain further comprising the vertical curtain switching device as described above, the left shell assembly being connected to the first track device, the large gear being meshed and connected with the open and close gear of the first track device, the left bevel gear being driven and connected to the first track device, the right shell assembly being connected to the second track device, the large gear being meshed and connected with the open and close gear of the second track device, and the right bevel gear being driven and connected to the second track device.

[0017] The technical solution provided by the embodiment of the utility model can include the following beneficial effects: the left shell component and the right shell component are rotatably connected, the rotating pillar penetrates and connects the left shell component and the right shell component to form a columnar support structure, the transmission bevel gear and the large gear are both rotatably connected to the rotating pillar, and the assembly is convenient. The left bevel gear and the right bevel gear are located between the transmission bevel gear and the large gear, which can optimize the overall gear layout structure, facilitate assembly and adjustment between each gear, and have a reasonable spatial layout.

[0018] It should be understood that the above general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.

[0020] Figure 1 is a schematic structural diagram of a vertical blind according to an exemplary embodiment.

[0021] Figure 2 It is a schematic diagram of the assembly structure of a vertical blind according to an exemplary embodiment.

[0022] Figure 3 It is a partial cross-sectional enlarged schematic diagram of a vertical blind according to an exemplary embodiment.

[0023] Figure 4 It is a schematic structural diagram of a vertical curtain switching device according to an exemplary embodiment.

[0024] Figure 5 The figure is a schematic diagram of an exploded structure of a vertical curtain switching device according to an exemplary embodiment.

[0025] Figure 6 It is a schematic structural diagram of a left housing according to an exemplary embodiment.

[0026] In the figure, left shell assembly 10; left shell body 11; left mounting wall 111; left gear hole 1111; upper rotating wall 112; lower rotating wall 113; pivoting portion 114; connecting protrusion 1141; upper reinforcing rib 115; lower reinforcing rib 116; upper step 117; lower step 118; left bevel gear 12; left rotating member 13; rotating gear 14; right shell assembly 20; right bevel gear 21; connecting wall 22; right shell body 23; right gear hole 231; rotating pillar 30; step shaft 31; anti-rotation boss 311; rotating bearing 32; transmission bevel gear 40; large gear 50; gear portion 51; sleeve portion 52; first track device 60; opening and closing gear 61; hook assembly 62; second track device 70. DETAILED DESCRIPTION

[0027] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0028] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0029] In the description of the present invention, unless otherwise clearly specified and limited, if the term "connection" or the like appears to indicate the connection relationship between components, the term 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] like Figures 1 to 4 As shown, the utility model provides a vertical curtain switching device, the vertical curtain comprises a first track device 60 and a second track device 70, and the first track device 60 and the second track device 70 are composed of two parts.

[0031] The vertical curtain switching device includes a left shell assembly 10, a right shell assembly 20, a rotating pillar 30 assembled on the left shell assembly 10 and the right shell assembly 20, a large gear 50 rotatably connected to the rotating pillar 30, and a transmission bevel gear 40. The left shell assembly 10 and the right shell assembly 20 rotate around the center of the rotating pillar 30 to adjust the deployment angle of the left shell assembly 10 relative to the right shell assembly 20. The left shell assembly 10 and the right shell assembly 20 can be installed on the first track device 60 and the second track device 70 respectively to assemble the vertical curtain into an integrated structure. The left shell assembly 10 and the right shell assembly 20 are rotatably connected, the rotating pillar 30 penetrates and connects the left shell assembly 10 and the right shell assembly 20 to form a columnar support structure, and the transmission bevel gear 40 and the large gear 50 are both rotatably connected to the rotating pillar 30, and the assembly is convenient.

[0032] The left shell component 10 is provided with a left bevel gear 12 meshing with the transmission bevel gear 40, and the right shell component 20 is provided with a right bevel gear 21 meshing with the transmission bevel gear 40, and the left bevel gear 12 and the right bevel gear 21 are located between the transmission bevel gear 40 and the large gear 50. The left bevel gear 12 and the right bevel gear 21 are located between the transmission bevel gear 40 and the large gear 50, which can optimize the overall gear layout structure, facilitate assembly and adjustment between each gear, and have a reasonable spatial layout. Among them, the large gear 50 drives the hook assembly 62 of the first track device 60 and the second track device 70 to open and close respectively, and the transmission bevel gear 40 is connected with the left bevel gear 12 and the right bevel gear 21 respectively, thereby driving the hook assembly 62 to rotate to achieve different dimming angles.

[0033] Preferably, the left shell component 10 and the right shell component 20 are rotatably connected, and the structures of the two are similar. The left shell component 10 is taken as an example for exemplary description, and the right shell component 20 can be understood by reference.

[0034] like Figures 3 to 6 As shown, in one embodiment, the left housing assembly 10 includes a left housing 11 plugged into the right housing assembly 20, the large gear 50 and the transmission bevel gear 40 are located in the left housing 11, and the left housing 11 is provided with a left gear hole 1111 corresponding to the large gear 50, and at least part of the large gear 50 passes through the left housing 11. The left housing assembly 10 and the right housing assembly 20 are plugged together, and the overlapping parts of the two are connected to the rotating support 30 to form a rotatable connection structure.

[0035] In one embodiment, the right housing assembly 20 includes a right housing 23, which is engaged with the left housing assembly 10, and the right housing 23 is provided with a right gear hole 231 corresponding to the large gear 50, and at least a portion of the large gear 50 passes through the right housing 23. The right housing 23 and the left housing 11 are plug-in matching structures, and both can rotate relative to the rotating support 30.

[0036] The left housing 11 has a movable cavity, and the large gear 50 and the transmission bevel gear 40 are located in the left housing 11. The side wall of the left housing 11 is provided with a left gear hole 1111 through which a long hole passes, and the side wall of the right housing 23 is provided with a right gear hole 231 through which a long hole passes, and the gear teeth of the large gear 50 extend out of the left gear hole 1111 and the right gear hole 231, and the large gear 5 is meshedly connected with the gear of the hook assembly 62 in the first track device 60 to drive the hook assembly 62 to open and close.

[0037] In a preferred embodiment, the left housing 11 is approximately a C-shaped structure, and the right housing assembly 20 is set as a C-shaped structure matched with the left housing. The left housing 11 includes a left mounting wall 111, an upper rotating wall 112 and a lower rotating wall 113 protruding from the left mounting wall 111. The right housing assembly 20 is attached to the outer side of the upper rotating wall 112 and the lower rotating wall 113 to form a plug-in overlapping structure, which can not only limit the matching position of the left housing assembly 10 and the right housing assembly 20, but also reduce the thickness of the connection part and increase the size of the gear installation space. The right housing 23 is similar to the left housing 11 in structure, and the structure of the right housing 23 can be understood with reference to the left housing 11.

[0038] The rotating support 30 connects the upper rotating wall 112 and the lower rotating wall 113, the large gear 50 and the transmission bevel gear 40 are located between the upper rotating wall 112 and the lower rotating wall 113, and the left bevel gear 12 is rotatably connected to the left mounting wall 111. The outer diameter of the large gear 50 is greater than the distance between the center line of the rotating support 30 and the outer wall surface of the left mounting wall 111, so that the large gear 50 extends out of the left mounting wall 111.

[0039] Furthermore, an upper step 117 is provided between the left mounting wall 111 and the upper rotating wall 112, and the right housing assembly 20 is rotatably connected to the upper rotating wall 112, and the upper step 117 is used to limit the rotation angle of the right housing assembly 20. The upper step 117 is formed by the height difference between the left mounting wall 111 and the upper rotating wall 112, and the right housing assembly 20 is provided with a thin-walled connecting wall 22, which is located in the space corresponding to the upper step 117 to keep the outer side of the vertical curtain switching device flush.

[0040] Correspondingly, there is a lower step 118 between the left mounting wall 111 and the lower rotating wall 113, and the right shell assembly 20 can be rotatably connected to the lower rotating wall 113, and the lower step 118 is used to limit the rotation angle of the right shell assembly 20. The left shell 11 is provided with a lower step 118 to accommodate part of the right shell assembly 20, thereby improving the overall appearance flatness and aesthetics. In addition, when the right shell assembly 20 rotates toward the upper step 117 / lower step 118 side, the right shell assembly 20 will be restricted by the upper step 117 / lower step 118 and move within the corresponding rotation range. For example, the left shell assembly 10 and the right shell assembly 20 rotate and move between 90 degrees and 270 degrees. The difference between the right shell 23 and the left shell 11 is that the right shell 23 is not provided with an upper step 117 / lower step 118, and the upper and lower side walls of the right shell 23 are clamped to the upper step 117 and the lower step 118.

[0041] Furthermore, the left housing 11 includes an upper reinforcing rib 115 and a lower reinforcing rib 116, wherein the upper reinforcing rib 115 connects the left mounting wall 111 and the upper rotating wall 112, and the lower reinforcing rib 116 connects the left mounting wall 111 and the lower rotating wall 113. The upper reinforcing rib 115 and the lower reinforcing rib 116 are configured as a triangular rib plate structure to strengthen the structural strength of the left housing 11 and to prevent deformation during rotation. The right housing 23 is different from the left housing 11 in that the right housing 23 is not provided with the upper reinforcing rib 115 and the lower reinforcing rib 116.

[0042] In one embodiment, the left housing 11 includes a pivoting portion 114 disposed on the left mounting wall 111, and the pivoting portion 114 protrudes toward the side opposite to the upper rotating wall 112. The pivoting portion 114 is used to connect the left housing assembly 10 and the first track device 60, wherein the pivoting portion 114 protrudes in the opposite direction and can be engaged with the connecting portion of the first track device 60 to form a matching assembly. Preferably, the pivoting portion 114 includes four connecting protrusions 1141 distributed at the four corners of the left mounting wall 111, and the fastener passes through the connecting protrusions 1141 to connect with the first track device 60.

[0043] like Figures 4 to 6 As shown, in one embodiment, the left housing assembly 10 includes a rotating gear 14 and a left rotating member 13 mounted on the left mounting wall 111, the left bevel gear 12 is connected to the left rotating member 13, and the left bevel gear 12 is provided with a transmission boss, which passes through the left mounting wall 111 and is connected to the rotating gear 14. The left rotating member 13 can be set as a bearing mounted on the left housing 11, and the left bevel gear 12 includes a bevel gear part and a transmission boss of the bevel gear part, the transmission boss is plug-connected to the left rotating member 13, and the end of the transmission boss passes through the left mounting wall 111 and is connected to the rotating gear 14 to form a drive output structure. Preferably, the transmission boss is provided with a transmission surface, and the left rotating member 13 can improve the flexibility of rotation and the stability of assembly.

[0044] In one embodiment, the rotating support 30 includes a stepped shaft 31, the transmission bevel gear 40 is connected to the stepped shaft 31, and the large gear 50 is sleeved on the stepped shaft 31. The stepped shaft 31 is composed of stepped shafts with different shaft diameters, wherein the shaft diameter of the large gear 50 is smaller than the shaft diameter of the transmission bevel gear 40. The two ends of the stepped shaft 31 are respectively limited to the overlapping parts of the left shell assembly 10 and the right shell assembly 20, and the stepped shaft 31 defines the installation position of the transmission bevel gear 40. The large gear 50 includes a gear portion 51 and a sleeve portion 52, and the sleeve portion 52 is sleeved on the stepped shaft 31 and spaced from the transmission bevel gear 40, so that the height of the gear portion 51 is adjusted by the sleeve portion 52 and the stepped shaft 31.

[0045] Further, the rotating support 30 includes a rotating bearing 32 mounted on the step shaft 31, and the transmission bevel gear 40 is connected to the rotating bearing 32. The rotating bearing 32 is mounted on the step shaft 31, and the rotating bearing 32 can improve the rotation flexibility of the transmission bevel gear 40.

[0046] Preferably, an anti-rotation boss 311 is provided at the end of the stepped shaft 31, and the anti-rotation boss 311 is embedded in the right shell component 20. The right shell component 20 is located outside the left shell 11, and a countersunk hole structure is formed in a recessed manner on the surface of the right shell component 20. The countersunk hole is set as a non-circular countersunk hole structure to form an anti-rotation structure. For example, the anti-rotation boss 311 is set as a rectangular boss, a notched cylindrical boss with an anti-rotation surface, or other boss structures.

[0047] like Figures 1 to 3 As shown, the vertical curtain switching device disclosed in the above embodiment is applied to the vertical curtain, wherein the vertical curtain includes a first track device 60 and a second track device 70, the left shell assembly 10 is connected to the first track device 60, the large gear 50 is meshed and connected with the opening and closing gear 61 of the first track device 60, the left bevel gear 12 is driven and connected with the first track device 60, the right shell assembly 20 is connected to the second track device 70, the large gear 50 is meshed and connected with the opening and closing gear 61 of the second track device 70, and the right bevel gear 21 is driven and connected with the second track device 70. The large gear 50 is meshed with the opening and closing gear 61 of the first track device 60 and the opening and closing gear 61 of the second track device 70 at the same time, and the hook assembly 62 respectively equipped with the first track device 60 and the second track device 70 can realize the movement in the opposite direction, so as to realize the synchronous opening and closing function, and the power transfer is convenient. The left bevel gear 12 and the right bevel gear 21 are respectively connected to the transmission bevel gear 40, and the hook assembly 62 respectively equipped with the first track device 60 and the second track device 70 can realize the synchronous rotation dimming, and the adjustment effect is good. It is worth mentioning that the first track device 60 and the second track device 70 can be connected by a driving device, which simplifies the driving power and improves the convenience of assembly. The first track device 60 and the second track device 70 can realize flexible angle adjustment, which is suitable for segmented assembly requirements of vertical curtains at different angles.

[0048] Those skilled in the art will readily appreciate other embodiments of the present invention after considering the specification and practicing the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present invention, which follow the general principles of the present invention and include common knowledge or customary technical means in the art that are not disclosed in the present invention. The specification and examples are to be regarded as exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.

[0049] It should be understood that the present invention is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A vertical curtain switching device, characterized in that: The vertical curtain switching device comprises a left shell component (10), a right shell component (20), a rotating support (30) mounted on the left shell component (10) and the right shell component (20), a large gear (50) rotatably connected to the rotating support (30) and a transmission bevel gear (40); the left shell component (10) and the right shell component (20) rotate around the center of the rotating support (30) to adjust the deployment angle of the left shell component (10) relative to the right shell component (20); The left housing component (10) is provided with a left bevel tooth (12) meshing with the transmission bevel gear (40), and the right housing component (20) is provided with a right bevel tooth (21) meshing with the transmission bevel gear (40), and the left bevel tooth (12) and the right bevel tooth (21) are located between the transmission bevel gear (40) and the large gear (50).

2. The vertical curtain switching device according to claim 1, characterized in that: The left housing component (10) comprises a left housing (11) plugged into the right housing component (20), the left housing (11) being provided with a left gear hole (1111) corresponding to the large gear (50), and at least a portion of the large gear (50) protruding from the left housing (11).

3. The vertical curtain switching device according to claim 2, characterized in that: The left housing (11) comprises a left mounting wall (111), an upper rotating wall (112) and a lower rotating wall (113) protruding from the left mounting wall (111); the rotating support (30) connects the upper rotating wall (112) and the lower rotating wall (113); the large gear (50) and the transmission bevel gear (40) are located between the upper rotating wall (112) and the lower rotating wall (113); and the left bevel gear (12) is rotatably connected to the left mounting wall (111).

4. The vertical curtain switching device according to claim 3, characterized in that: An upper step (117) is provided between the left mounting wall (111) and the upper rotating wall (112), the right housing assembly (20) is rotatably connected to the upper rotating wall (112), and the upper step (117) is used to limit the rotation angle of the right housing assembly (20); and / or, A lower step (118) is provided between the left mounting wall (111) and the lower rotating wall (113); the right housing component (20) is rotatably connected to the lower rotating wall (113); and the lower step (118) is used to limit the rotation angle of the right housing component (20).

5. The vertical curtain switching device according to claim 3, characterized in that: The left housing (11) comprises a pivoting portion (114) arranged on the left mounting wall (111), and the pivoting portion (114) protrudes toward a side facing away from the upper rotating wall (112).

6. The vertical curtain switching device according to claim 3, characterized in that: The left housing component (10) comprises a rotating gear (14), the left bevel gear (12) passes through the left mounting wall (111) and is connected to the rotating gear (14), and the left bevel gear (12) is rotatably connected to the left mounting wall (111).

7. The vertical curtain switching device according to claim 1, characterized in that: The right shell component (20) comprises a right shell (23), the right shell (23) being engaged with the left shell component (10), the right shell (23) being provided with a right gear hole (231) corresponding to the large gear (50), and at least a portion of the large gear (50) passing through the right shell (23).

8. The vertical curtain switching device according to claim 1, characterized in that: The rotating support (30) comprises a stepped shaft (31), the transmission bevel gear (40) is connected to the stepped shaft (31), and the large gear (50) is sleeved on the stepped shaft (31).

9. The vertical curtain switching device according to claim 8, characterized in that: An anti-rotation boss (311) is provided at the end of the stepped shaft (31), and the anti-rotation boss (311) is embedded in the right housing component (20).

10. A vertical curtain, comprising a first track device (60) and a second track device (70), characterized in that: The vertical curtain further comprises a vertical curtain switching device as claimed in any one of claims 1 to 9, wherein the left shell assembly (10) is connected to the first track assembly (60), the large gear (50) is meshedly connected to the open and closed gears of the first track assembly (60), the left bevel gear (12) is drive-connected to the first track assembly (60), the right shell assembly (20) is connected to the second track assembly (70), the large gear (50) is meshedly connected to the open and closed gears of the second track assembly (70), and the right bevel gear (21) is drive-connected to the second track assembly (70).

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