A roller shutter roller and roller shutter

Abstract

This utility model discloses a roller blind shaft, including a first shaft and a second shaft, the second shaft being detachably connected to the first shaft; the first shaft and the second shaft are used to connect to the curtain body, and the first shaft and the second shaft rotate on the surface of the curtain body to drive the curtain body to a working position or a storage position; both the first shaft and the second shaft are provided with positioning parts, the positioning parts being used to position the curtain body to the installation position when the curtain body is connected to the first shaft and the second shaft. Through the above-mentioned configuration, a roller blind shaft is provided, which can effectively solve the above-mentioned problems. Its structure is detachable and facilitates accurate positioning and installation of the roller blind.

Description

Technical Field

[0001] This utility model relates to the field of roller blind technology, and in particular to a roller blind roller and roller blind. Background Technology

[0002] Roller blinds, as a primary window shading tool, are widely used in people's daily lives.

[0003] Currently, most roller blinds on the market use one-piece rollers with a fixed length. This makes them particularly prone to bending and deformation during transport, especially for long rollers used for large windows. They also have poor accessibility in areas like stairwells, corners, and elevators, and increase transportation costs. Furthermore, the lack of an effective positioning structure during installation often results in asymmetry, with the left and right sides not being at the same horizontal level. This can lead to issues such as the blind not completely covering the window or failing to move properly during storage or use due to misalignment.

[0004] To address this issue, the present invention provides a roller shutter shaft that effectively solves the aforementioned problems. Its structure is detachable and facilitates accurate positioning and installation of the roller shutter. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, this utility model provides a roller shutter shaft with a detachable structure, which facilitates accurate positioning and installation of the roller shutter.

[0006] The technical solution adopted by this utility model to solve its technical problem is:

[0007] A roller blind reel, comprising:

[0008] A first reel and a second reel, wherein the second reel is detachably connected to the first reel;

[0009] The first and second rollers are connected to the curtain body, and the first and second rollers rotate on the surface of the curtain body to move the curtain body to the use position or the storage position.

[0010] Both the first roller and the second roller are provided with positioning parts, which are used to position the curtain body to the installation position when the curtain body is connected to the first roller and the second roller.

[0011] As an improvement of this application, the positioning part is an alignment groove. When the second roller is connected to the first roller, the alignment grooves on the first roller and the second roller are spliced ​​together to form a continuous alignment groove, which is used to align and position the curtain body along the continuous alignment groove to the installation position when the curtain body is connected to the first roller and the second roller.

[0012] As an improvement to this application, the continuous alignment groove is used to align and bond the curtain body along the extension direction of the continuous alignment groove using double-sided adhesive, and the curtain body material is a crease-free fabric.

[0013] As an improvement to this application, the first reel and the second reel are detachably connected by threads.

[0014] As an improvement to this application, the roller blind shaft further includes a first connector, and the first shaft and the second shaft are detachably connected via the first connector.

[0015] As an improvement to this application, the first reel has a first cavity, and the first connector is an elastic member. When the second reel is connected to the first reel, the first elastic member is partially connected to the second reel. The elastic member is at least partially located in the first cavity and abuts against the wall forming the first cavity.

[0016] As an improvement to this application, the second reel has a second cavity inside. When the second reel is connected to the first reel, the elastic element is at least partially located in the second cavity and abuts against the wall forming the second cavity.

[0017] As an improvement to this application, the first elastic element is an elastic tube, and the elastic tube has an opening along its axial direction.

[0018] A roller blind includes a blind body and a roller blind reel as described above.

[0019] As an improvement to this application, the lower end of the curtain is provided with a counterweight assembly, which includes a first counterweight, a second counterweight, and a second connecting member. The second counterweight is detachably connected to the first counterweight via the second connecting member.

[0020] The beneficial effects of this utility model are: through the above-mentioned structural design, a roller blind roller is provided, which is detachable and facilitates accurate positioning and installation of the roller blind. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the following description of the embodiments will be briefly introduced. The drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] The present application will be further described below with reference to the accompanying drawings and embodiments.

[0023] Figure 1 This is a schematic diagram of the overall structure of the roller shutter shaft at one angle according to Embodiment 1 of this application;

[0024] Figure 2 yes Figure 1 Enlarged view of circle A;

[0025] Figure 3 This is an exploded view of the roller blind structure at one angle using the roller blind roller of Embodiment 1 of this application;

[0026] Figure 4 yes Figure 3 Enlarged view of circle B;

[0027] Figure 5 yes Figure 3 Enlarged view of circle C;

[0028] Figure 6 This is a schematic diagram of the overall structure of the roller shutter shaft at one angle according to Embodiment 2 of this application;

[0029] Figure 7 yes Figure 6 Enlarged view of circle D;

[0030] Figure 8 This is an exploded view of the roller blind structure at one angle using the roller blind roller of Embodiment 2 of this application;

[0031] Figure 9 yes Figure 8 Enlarged view of circle E;

[0032] Figure 10 yes Figure 8 Enlarged view at circle F;

[0033] Figure 11 This is a cross-sectional view of the roller shutter shaft of Embodiment 2 of this application at one angle;

[0034] Figure 12 yes Figure 11 Enlarged view of circle G;

[0035] Figure 13 This is a schematic diagram of the overall structure of the roller shutter at one angle of this application.

[0036] The detailed explanation of the reference numerals in the attached figures is as follows:

[0037] 1. Roller blind; 111. First roller; 111a. First cavity; 112. Second roller; 112a. Second cavity; 114. First connector; 114b. Opening; 113. Positioning part; 115. Rotating part; 116. Cover; 117. Hanging part; 12. Curtain body; 13. Counterweight assembly; 131. First counterweight; 132. Second counterweight; 133. Second connector. Detailed Implementation

[0038] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0039] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0040] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0041] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0042] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0043] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0044] Example 1

[0045] Reference Figures 1 to 5 A roller blind reel, comprising:

[0046] A first reel 111 and a second reel 112, wherein the second reel 112 is detachably connected to the first reel 111;

[0047] The first roller 111 and the second roller 112 are connected to the curtain body 12, and the first roller 111 and the second roller 112 rotate on the surface of the curtain body 12 to drive the curtain body 12 to the use position or the storage position.

[0048] Both the first roller 111 and the second roller 112 are provided with positioning parts 113, which are used to position the curtain 12 to the installation position when the curtain 12 is connected to the first roller 111 and the second roller 112.

[0049] The above structure provides a detachable roller shutter shaft that facilitates accurate positioning and installation of the curtain body 12.

[0050] The detachable design of the first reel 111 and the second reel 112 allows the product to be disassembled during transportation, reducing the length of a single reel to half its original length and compressing the volume by more than 50%, significantly improving the utilization of transportation space; it also avoids the risk of bending of long reels and reduces transportation costs. At the same time, the weight of the disassembled reels is reduced, allowing a single person to handle them, thus reducing labor costs.

[0051] Furthermore, the positioning part 113 provides a clear positioning reference for the user to install the curtain 12, enabling quick and accurate alignment when the curtain 12 is connected to the first roller 111 and the second roller 112, controlling installation errors, and allowing the user to easily and quickly install the curtain 12 accurately. This avoids asymmetry caused by the left and right sides of the roller blind not being at the same horizontal level during the installation process. As a result, the roller blind roller of this application can effectively drive the roller blind to cover the window during use, and can move smoothly between the storage position and the use position.

[0052] It should be understood that the usage position refers to the position where the curtain 12 is connected to the first roller 111 and the second roller 112 and installed on the window, so that the first roller 111 and the second roller 112 are rotated along the surface of the curtain 12 according to the customer's needs, so that the curtain 12 can be rotated to a position that can cover part of the window.

[0053] The storage position refers to the position where, when the curtain 12 is connected to the first roller 111 and the second roller 112 and installed on the window, it is required by the customer to rotate along the surface of the curtain 12 on the first roller 111 and the second roller 112, so that the curtain 12 is rotated to a position where it no longer covers the window.

[0054] The installation position refers to the position where, when the curtain 12 is connected to the first roller 111 and the second roller 112, the left and right sides of the curtain 12 are parallel to each other when the edge is connected to the installation position.

[0055] In this embodiment, the positioning part 113 is an alignment groove. When the second roller 112 is connected to the first roller 111, the alignment grooves on the first roller 111 and the second roller 112 are spliced ​​into a continuous alignment groove, which is used to align and position the curtain 12 along the continuous alignment groove to the installation position when the curtain 12 is connected to the first roller 111 and the second roller 112.

[0056] With the above structure, the spliced ​​continuous alignment groove can form a "positioning baseline without breaks" along the entire length of the roller blind shaft. The connecting end of the curtain body 12 can be completely aligned with the continuous line, which significantly improves the installation accuracy of the curtain body 12 in the entire length of the roller shaft, especially suitable for the precise installation of wide curtain bodies 12.

[0057] It should be understood that the continuous alignment groove matches the shape of the mounting portion of the curtain 12, and the shape of the continuous alignment groove corresponding to the curtain 12 can be straight or other curved.

[0058] In this embodiment, the continuous alignment groove is used to align and bond the curtain 12 along the extension direction of the continuous alignment groove using double-sided adhesive, and the material of the curtain 12 is a crease-free fabric.

[0059] With the above-described structure, when installing the curtain 12, there is no need to rely on tools such as rulers and ink lines for measurement and positioning. Users only need to apply double-sided adhesive along the extension direction of the groove to ensure that the curtain (or the curtain joint) always maintains a straight alignment. This is especially true for long curtains (such as floor-to-ceiling roller blinds) or multi-panel curtains, avoiding "uneven seam gaps" and "overall slant and sagging" caused by manual positioning errors. Even users without installation experience can quickly complete the operation. The continuous groove along the extension direction of the curtain provides a "uniform benchmark" for the bonding of the entire curtain, ensuring that the curtain always maintains a straight line after installation and will not "sag in the middle" or "curve at the edges" due to local bonding misalignment. It can also maintain a flat shape after long-term use. At the same time, the curtain 12 is made of crease-free fabric, which also makes it less prone to creases after folding. This allows users to store it conveniently and also reduces its volume during transportation. The crease-free fabric is a common existing technology and will not be described in detail here.

[0060] Optionally, the crease-free fabric is rainbow linen.

[0061] In this embodiment, the first spool 111 and the second spool 112 are detachably connected by threads.

[0062] The threaded engagement features a self-locking characteristic. Optionally, the first roller 111 has an internal thread, and the second roller 112 has an external thread. When the internal thread of the first roller 111 and the external thread of the second roller 112 are engaged, a tight and stable connection is formed, which can effectively resist the torque force generated when the curtain 12 is rolled up / unrolled. This prevents the roller from loosening or separating due to vibration or force during use, ensuring that the curtain 12 can be rolled up and down smoothly without jamming. Furthermore, by designing threaded engagement sections of different lengths, the total length of the roller can be finely adjusted within a certain range, further adapting to the slight differences in the width of the curtain 12 and improving the product's compatibility with different installation scenarios.

[0063] It should be noted that when connecting the first roller 111 and the second roller 112 by thread, the first roller 111 and / or the second roller 112 need to be adjusted to the first position first, so that after the first roller 111 and the second roller 112 are connected by the thread, the positioning part 113 can be located in the correct positioning position, so that the curtain 12 can be positioned in the installation position.

[0064] Preferably, after the first spool 111 and the second spool 112 are connected by the threaded rotation, the linear positioning part is spliced ​​into a continuous linear structure.

[0065] In this embodiment, the roller blind shaft further includes a rotating component 115, a cover 116, and a hanging component 117. The rotating component 115 is connected to the first roller shaft 111, and the first rotating component 115 drives the first roller shaft 111 to rotate.

[0066] The cover 116 has an internal receiving space, and the rotating member 115 is connected to the cover 116 and located within the receiving space;

[0067] One end of the hook 117 is connected to the cover 116, and the other end is used to connect to the hook.

[0068] Example 2

[0069] Reference Figures 6 to 12 The roller shutter provided in this embodiment has the same basic structure, principle and technical effect as the first embodiment. For the sake of brevity, any parts not mentioned in this embodiment can be referred to the corresponding content in the first embodiment.

[0070] In this embodiment, the roller blind shaft further includes a first connector 114, and the first shaft 111 and the second shaft 112 are detachably connected through the first connector 114.

[0071] With the above-described structure, the first connector 114, as an independent connecting medium, can precisely match the first roller 111 and the second roller 112 through a pre-set adapter structure, avoiding problems such as "poor fit" and "positioning deviation" that may occur when the two roller sections are directly connected. This design ensures that the axes of the two roller sections remain consistent after connection, thereby achieving synchronous operation when driving the curtain 12 to rotate, and preventing damage caused by misalignment of the rollers, such as skewed winding, jamming, or excessive local stress on the curtain 12.

[0072] In this embodiment, the first spool 111 has a first cavity 111a, and the first connector 114 is an elastic member. When the second spool 112 is connected to the first spool 111, the elastic member is partially connected to the second spool 112. The elastic member is at least partially located in the first cavity 111a and abuts against the wall forming the first cavity 111a.

[0073] By using the cooperation between the first elastic element and the first cavity 111a, the elastic element's "elastic deformation characteristics" can actively adapt to minor deviations during installation or processing. During installation, the elastic element is inserted into the first cavity 111a, and it will automatically deform due to compression. After the second roller 112 is in place, the elastic element resets and abuts against the cavity wall, completing "automatic locking". No additional screwing or buckling is required. During disassembly, only a force needs to be applied in a specific direction to force the elastic element to deform again and disengage from the limit, achieving quick disassembly. This simplifies the installation and disassembly process and improves the user experience.

[0074] In this embodiment, the second spool 112 is provided with a second cavity 112a. When the second spool 112 is connected to the first spool 111, the elastic element is at least partially located in the second cavity 112a and abuts against the wall forming the second cavity 112a.

[0075] By setting up the above structure, the elastic element is constrained by the walls of two cavities at the same time. The stress generated by its deformation will be dispersed between the wall forming the first cavity 111a and the wall forming the second cavity 112a, avoiding the problem of local stress concentration when the elastic element is only in contact with a single cavity wall. At the same time, it can also make the force on the elastic element more dispersed and the deformation more uniform, which can significantly improve its fatigue resistance and extend the service life of the entire connector.

[0076] In this embodiment, the first connector 114 is an elastic tube, and the elastic tube has an opening 114b along its axial direction.

[0077] With the above-described structure, when the elastic tube needs to be inserted into the first cavity 111a and the second cavity 112a, the opening 114b can be compressed by external force, allowing the inner diameter of the elastic tube to temporarily shrink, facilitating easy insertion into the first cavity 111a and the second cavity 112a. When the external force is removed, the elastic tube rebounds due to its own elasticity, and the opening 114b returns to its original position, allowing the tube body to tightly fit the inner surface of the wall forming the cavity. This "adjustable telescopic" characteristic allows the elastic element to be compatible with mating parts of different sizes within a certain range, improving the versatility and adaptability of the structure.

[0078] A type of roller blind 1, reference Figures 1 to 13 It includes the curtain body 12 and the roller shutter shaft as described above.

[0079] The above-described structure provides a detachable roller blind that facilitates accurate positioning and installation of the curtain body 12.

[0080] The detachable design of the first reel 111 and the second reel 112 allows the product to be disassembled during transportation, reducing the length of a single reel to half its original length and compressing the volume by more than 50%, significantly improving the utilization of transportation space; it also avoids the risk of bending of long reels and reduces transportation costs. At the same time, the weight of the disassembled reels is reduced, allowing a single person to handle them, thus reducing labor costs.

[0081] Furthermore, the positioning part 113 provides a clear positioning reference for the user to install the curtain 12, enabling quick and accurate alignment when the curtain 12 is connected to the first roller 111 and the second roller 112, controlling installation errors, and allowing the user to easily and quickly install the curtain 12 accurately. This avoids asymmetry caused by the left and right sides of the roller blind not being at the same horizontal level during the installation process. As a result, the roller blind roller of this application can effectively drive the roller blind to cover the window during use, and can move smoothly between the storage position and the use position.

[0082] It should be understood that the usage position refers to the position where the curtain 12 is connected to the first roller 111 and the second roller 112 and installed on the window, and according to the customer's needs, the first roller 111 and the second roller 112 are rotated along the surface of the curtain 12, so that the curtain 12 can be rotated to a position that can cover part of the window.

[0083] The storage position refers to the position where, when the curtain 12 is connected to the first roller 111 and the second roller 112 and installed on the window, it is required by the customer to rotate along the surface of the curtain 12 on the first roller 111 and the second roller 112, so that the curtain 12 is rotated to a position where it no longer covers the window.

[0084] The installation position refers to the position where, when the curtain 12 is connected to the first roller 111 and the second roller 112, the left and right sides of the curtain 12 are parallel to each other when the edge is connected to the installation position.

[0085] In this embodiment, the lower end of the curtain 12 is provided with a counterweight assembly 13. The counterweight assembly 13 includes a first counterweight 131, a second counterweight 132, and a second connector 133. The second counterweight 132 is detachably connected to the first counterweight 131 through the second connector 133.

[0086] Counterweights typically have a certain weight and volume. Disassembling the first counterweight 131 and the second counterweight 132 can reduce transportation costs and facilitate storage. At the same time, reducing the overall packaging volume and weight also reduces the risk of damage from bumps during transportation. During installation, the lighter individual counterweight can be fixed to the lower end of the curtain 12 first, and then the other counterweight can be spliced ​​together through the second connector 133, making the operation easier and especially suitable for high-rise windows or single-person installation scenarios. When not in use for a long time, disassembling it can also save storage space.

[0087] Optionally, in this embodiment, the second connector 133 is an elastic connector, which includes a first end and a second end. When the elastic connector is connected to the first counterweight 131 and the second counterweight 132, the first end is connected to the first counterweight 131 and the second end is connected to the second counterweight 132.

[0088] Optionally, the elastic connector has a central radial outward protrusion, and the axial radius of the elastic connector gradually decreases.

[0089] The above description provides one or more embodiments in conjunction with specific content, and does not imply that the specific implementation of this utility model is limited to these descriptions. Any methods or structures that are similar to or identical to those of this utility model, or any technical deductions or substitutions made based on the concept of this utility model, should be considered within the protection scope of this utility model.

Claims

1. A roller blind reel, characterized in that, include: A first reel (111) and a second reel (112), wherein the second reel (112) is detachably connected to the first reel (111); The first roller (111) and the second roller (112) are used to connect to the curtain body (12), and the first roller (111) and the second roller (112) rotate on the surface of the curtain body (12) to drive the curtain body (12) to move to the use position or the storage position. Both the first roller (111) and the second roller (112) are provided with positioning parts (113), which are used to position the curtain (12) to the installation position when the curtain (12) is connected to the first roller (111) and the second roller (112).

2. The roller shutter shaft according to claim 1, characterized in that, The positioning part (113) is an alignment groove. When the second roller (112) is connected to the first roller (111), the alignment grooves on the first roller (111) and the second roller (112) are spliced ​​together to form a continuous alignment groove, which is used to align and position the curtain (12) along the continuous alignment groove to the installation position when the curtain (12) is connected to the first roller (111) and the second roller (112).

3. The roller shutter shaft according to claim 2, characterized in that, The continuous alignment groove is used to align and bond the curtain (12) along the extension direction of the continuous alignment groove using double-sided adhesive. The material of the curtain (12) is a crease-free fabric.

4. The roller shutter shaft according to claim 1, characterized in that, The first reel (111) and the second reel (112) are detachably connected by threads.

5. The roller shutter shaft according to claim 1, characterized in that, The roller blind also includes a first connector (114), and the first roller (111) and the second roller (112) are detachably connected by the first connector (114).

6. The roller shutter shaft according to claim 5, characterized in that, The first spool (111) has a first cavity (111a) inside, and the first connector (114) is an elastic member. When the second spool (112) is connected to the first spool (111), the elastic member is partially connected to the second spool (112). The elastic member is at least partially located in the first cavity (111a) and abuts against the wall forming the first cavity (111a).

7. The roller shutter shaft according to claim 6, characterized in that, The second spool (112) has a second cavity (112a). When the second spool (112) is connected to the first spool (111), the elastic element is at least partially located in the second cavity (112a) and abuts against the wall forming the second cavity (112a).

8. The roller shutter shaft according to claim 7, characterized in that, The first connector (114) is an elastic tube, and the elastic tube has an opening (114b) along its axial direction.

9. A roller blind (1), characterized in that, It includes a curtain body (12) and a roller blind as described in any one of claims 1 to 8.

10. The roller blind (1) according to claim 9, characterized in that, The lower end of the curtain (12) is provided with a counterweight assembly (13), which includes a first counterweight (131), a second counterweight (132), and a second connector (133). The second counterweight (132) is detachably connected to the first counterweight (131) through the second connector (133).

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