A roller screen window covering having a pull cord adjustment mechanism

Abstract

The utility model relates to the field of curtain, and concretely relates to a roller shutter curtain with pull cord adjusting mechanism, and its characterized in that includes roller shutter body, pull cord adjusting mechanism, wherein pull cord adjusting mechanism includes the touch switch subassembly for controlling the switch of roller shutter body, sliding contact block, pull cord, elastic reset part, the touch switch subassembly sets up on the roller shutter body, sliding contact block sliding sets up on the roller shutter body, and one end of pull cord is connected on sliding contact block, and makes sliding contact block can trigger touch switch subassembly under the pull of pull cord, and elastic reset part sets up on the roller shutter body, and makes sliding contact block can be pushed away from touch switch subassembly by elastic reset part elastically.The utility model has the pull cord adjusting mechanism that can be used for opening and closing the curtain, so as to not need to set up switch subassembly, and not need external wire to connect switch subassembly, which can effectively simplify the installation and maintenance process, and can greatly improve the installation efficiency and the convenience of maintenance, so as to solve the user's not small trouble.

Description

Technical Field

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

[0002] Currently, many electric roller blinds are available. To facilitate opening and closing, most models now have a switch assembly installed low on the wall, electrically connected to the blind via a wire. This requires fixing the blind above the window, installing the switch assembly low on the wall, and connecting the wire between the switch assembly and the blind. This makes installation and maintenance very cumbersome, especially with recessed wiring, leading to low installation efficiency and inconvenient maintenance, causing considerable inconvenience for users. Therefore, it is essential to redesign the structure of roller blinds. Utility Model Content

[0003] The purpose of this utility model is to solve the above-mentioned problems and shortcomings, and to provide a roller blind with a pull cord adjustment mechanism. This roller blind has a pull cord adjustment mechanism that can be used to open and close the blind, so that there is no need to set up a switch assembly or connect the switch assembly with external wires. This can effectively simplify the installation and maintenance process, greatly improve the installation efficiency and maintenance convenience, and thus solve a lot of troubles for users.

[0004] The technical solution of this utility model is implemented as follows:

[0005] A roller blind with a pull cord adjustment mechanism is characterized by comprising a roller blind body and a pull cord adjustment mechanism, wherein the pull cord adjustment mechanism includes a touch switch assembly for controlling the opening and closing of the roller blind body, a sliding contact, a pull cord, and an elastic reset member. The touch switch assembly is disposed on the roller blind body, the sliding contact is slidably disposed on the roller blind body, one end of the pull cord is connected to the sliding contact and the sliding contact can trigger the touch switch assembly when pulled by the pull cord, and the elastic reset member is disposed on the roller blind body and the sliding contact can be elastically pushed away from the touch switch assembly by the elastic reset member.

[0006] Preferably, the roller shutter body is provided with a vertical guide groove, and the sliding contact block is vertically slidably embedded in the vertical guide groove.

[0007] Preferably, the roller blind body is provided with a protruding part, which encloses and forms a vertical guide groove.

[0008] Preferably, the protruding portion is enclosed to form an inverted U-shaped protruding portion.

[0009] Preferably, the touch switch assembly is a miniature detection switch; a clearance notch is provided on the protrusion portion; the sliding contact includes a sliding portion and a trigger portion, the sliding portion is slidably embedded in the vertical guide groove, the trigger portion is disposed on the side wall of the sliding portion, and the trigger portion passes through the clearance notch to the outside of the protrusion portion, and the trigger portion can trigger the miniature detection switch as the sliding portion slides.

[0010] Preferably, at least one vertical guide groove is provided on the groove wall of the vertical guide groove, and the sliding contact block is provided with protrusions that are equal in number and correspond one-to-one with the vertical guide grooves, and the protrusions are slidably embedded in the vertical guide grooves.

[0011] Preferably, the elastic reset element is a spring.

[0012] Preferably, the roller shutter body is provided with a supporting protrusion, the sliding contact block is provided with a covering groove, the upper groove wall of the covering groove is provided with a protruding column, the elastic reset member is vertically provided on the top of the supporting protrusion, the covering groove covers the supporting protrusion, and the upper end of the elastic reset member is fitted on the protruding column.

[0013] Preferably, the sliding contact block is provided with a lifting ring portion, and the pull rope is connected to the lifting ring portion; the lower end of the pull rope is a rope loop end.

[0014] Preferably, the roller shutter body includes a body and an end cover. An installation groove is provided on the end face of the body. The touch switch assembly is disposed in the installation groove. The sliding contact block and the elastic reset member are disposed on the inner wall of the end cover. A clearance hole is provided at the bottom of the end cover, through which the pull rope passes downward. The end cover is mounted on the opening of the installation groove.

[0015] The beneficial effects of this utility model are as follows: The roller blind incorporates a pull cord adjustment mechanism, which includes a touch switch assembly for controlling the opening and closing of the roller blind body, a sliding contact, a pull cord, and an elastic reset component. One end of the pull cord is connected to the sliding contact, allowing the sliding contact to trigger the touch switch assembly when pulled by the pull cord. The elastic reset component is located on the roller blind body, allowing the sliding contact to be elastically pushed away from the touch switch assembly by the elastic reset component. This allows for accurate and stable triggering of the touch switch assembly by pulling the pull cord, eliminating the need for a separate switch assembly and external wiring to connect it. This effectively simplifies the installation and maintenance process, significantly improving installation efficiency and ease of maintenance, thus solving considerable inconvenience for users. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the roller blind in this utility model.

[0017] Figure 2This is one of the schematic diagrams showing the disassembled structure of the roller blind in this utility model.

[0018] Figure 3 This is the second schematic diagram showing the disassembled structure of the roller blind in this utility model.

[0019] Figure 4 This is a three-dimensional structural diagram of the rope adjustment mechanism in this utility model.

[0020] Figure 5 This is a three-dimensional structural diagram of the end cap of this utility model.

[0021] Figure 6 This is a three-dimensional structural diagram of the sliding contact block in this utility model. Detailed Implementation

[0022] like Figures 1 to 4 As shown, the present invention discloses a roller blind with a pull cord adjustment mechanism, comprising a roller blind body 1 and a pull cord adjustment mechanism 2. The pull cord adjustment mechanism 2 includes a touch switch assembly 21 for controlling the opening and closing of the roller blind body 1, a sliding contact block 22, a pull cord 23, and an elastic reset member 24. The touch switch assembly 21 is disposed on the roller blind body 1, the sliding contact block 22 is slidably disposed on the roller blind body 1, one end of the pull cord 23 is connected to the sliding contact block 22, and the sliding contact block 22 can trigger the touch switch assembly 21 when pulled by the pull cord 23. The elastic reset member 24 is disposed on the roller blind body 1, and the sliding contact block 22 can be elastically pushed away from the touch switch assembly 21 by the elastic reset member 24.

[0023] This roller blind incorporates a pull cord adjustment mechanism 2, which includes a touch switch assembly 21 for controlling the opening and closing of the roller blind body 1, a sliding contact 22, a pull cord 23, and an elastic reset member 24. One end of the pull cord 23 is connected to the sliding contact 22, allowing the sliding contact 22 to trigger the touch switch assembly 21 when pulled by the pull cord 23. The elastic reset member 24 is mounted on the roller blind body 1, allowing the sliding contact 22 to be elastically pushed away from the touch switch assembly 21 by the elastic reset member 24. This allows the touch switch assembly 21 to be accurately and stably triggered by pulling the pull cord 23, eliminating the need for a separate switch assembly and external wiring. This effectively simplifies installation and maintenance, significantly improving installation efficiency and ease of maintenance, thus solving considerable inconvenience for users.

[0024] like Figure 3As shown, the roller blind body 1 has a vertical guide groove 11, and the sliding contact block 22 is vertically slidably embedded in the vertical guide groove 11. This allows the vertical guide groove 11 to provide accurate and stable limiting and guiding for the sliding contact block 22, thereby helping to improve the stability and accuracy of the movement of the sliding contact block 22, and further helping to improve the reliability and applicability of the roller blind.

[0025] like Figure 3 As shown, the roller blind body 1 is provided with a protruding tab 12, which encloses and forms a vertical guide groove 11. This not only does not weaken the structural strength of the roller blind body 1, but also makes the limiting effect of the vertical guide groove 11 on the sliding contact block 22 very stable and reliable, thereby ensuring that the roller blind has very high reliability and applicability.

[0026] like Figure 3 As shown, the protruding portion 12 encloses an inverted U-shaped protruding portion. The opening of the inverted U-shaped protruding portion can face downwards, which provides installation space for the pull cord, thus avoiding making the sliding contact block 22 too large, and facilitating the manufacture of a compact roller blind.

[0027] like Figures 2 to 6 As shown, the touch switch assembly 21 is a miniature detection switch; a clearance notch 121 is provided on the protruding portion 12; the sliding contact 22 includes a sliding portion 221 and a trigger portion 222. The sliding portion 221 is slidably embedded in the vertical guide groove 11, and the trigger portion 222 is disposed on the side wall of the sliding portion 221, and the trigger portion 222 passes through the clearance notch 121 to the outside of the protruding portion 12, and the trigger portion 222 can trigger the miniature detection switch as the sliding portion 221 slides. This not only makes the structure very compact, but also accurately and stably triggers the touch switch assembly 21, thereby more effectively improving the accuracy and stability of triggering, and thus helping to further improve the reliability and applicability of the roller blind.

[0028] like Figure 3 , Figure 5 and Figure 6 As shown, at least one vertical guide groove 111 is formed on the groove wall of the vertical guide groove 11. The sliding contact block 22 is provided with protrusions 223 in number and position corresponding to the vertical guide grooves 111. The protrusions 223 are slidably embedded in the vertical guide grooves 111. Through the cooperation of the vertical guide grooves 111 and the protrusions 223, not only can the accuracy and stability of the installation and positioning of the sliding contact block 22 be further improved, but also the accuracy and stability of the sliding of the sliding contact block 22 can be further improved, thereby helping to further improve the reliability and applicability of the roller blind.

[0029] like Figure 4As shown, the elastic reset element 24 is a spring. This not only allows the elastic reset element 24 to have a simple structure, but also facilitates the elastic reset effect, thereby helping to further improve the reliability and applicability of the roller blind.

[0030] like Figures 3 to 6 As shown, the roller blind body 1 is provided with a supporting protrusion 13, and the sliding contact block 22 is provided with a covering groove 224. A protruding post 225 is provided on the upper wall of the covering groove 224. The elastic reset member 24 is vertically arranged on the top of the supporting protrusion 13. The covering groove 224 covers the supporting protrusion 13, and the upper end of the elastic reset member 24 is fitted onto the protruding post 225. This not only achieves an extremely compact structure, but also allows the elastic reset member 24 to accurately and stably perform a reliable elastic reset effect, thereby helping to further improve the reliability and applicability of the roller blind.

[0031] like Figure 3 and Figure 5 As shown, a limiting groove 131 is provided on the top surface of the supporting protrusion 13, and the lower end of the elastic reset member 24 is placed in the limiting groove 131. This can accurately and stably limit the lower end of the elastic reset member 24, thereby enabling the elastic reset member 24 to play its elastic reset role more accurately and stably, which in turn helps to further improve the accuracy and stability of the sliding contact block 22's action.

[0032] like Figure 4 and Figure 6 As shown, the sliding contact block 22 is provided with a hanging ring portion 226, and the pull cord 23 is connected to the hanging ring portion 226; the lower end of the pull cord 23 is a cord loop end 231. The hanging ring portion 226 facilitates the stable connection of the pull cord 23 to the sliding contact block 22, thereby helping to further improve the stability of pulling, and thus further improving the reliability and applicability of the roller blind. The cord loop end 231 allows for the hanging of pull beads or a pull rod, thus facilitating different user combinations.

[0033] In actual manufacturing, only 15 cm of the pull rope 23 can be exposed, and other pull ropes or levers can be hung on the loop end 231 of the pull rope 23. This allows users to choose the right combination according to their needs.

[0034] like Figures 1 to 3 , Figure 5As shown, the roller blind body 1 includes a body 14 and an end cover 15. A mounting groove 141 is provided on the end face of the body 14. The touch switch assembly 21 is disposed in the mounting groove 141. The sliding contact 22 and the elastic reset member 24 are disposed on the inner wall of the end cover. A clearance hole 151 is provided at the bottom of the end cover 15, through which the pull cord 23 passes downwards. The end cover 15 is fitted onto the opening of the mounting groove 141. This not only achieves the purpose of concealing and protecting the pull cord adjustment mechanism 2, but also facilitates the inspection and maintenance of the sliding contact 22 and the elastic reset member 24. Furthermore, the mounting groove 141 can also accommodate the installation of the main control circuit board 142, facilitating electrical connection between the touch switch assembly 21 and the main control circuit board 142, thereby improving manufacturing and assembly convenience. Additionally, this design keeps the pull cord 23 away from the roller blind fabric, significantly reducing the risk of the pull cord 23 getting caught in the fabric during use.

[0035] The roller blind is controlled by a central control circuit board 142. When the touch switch assembly 21 is triggered, it sends an electrical signal to the central control circuit board 142. Upon receiving the signal, the central control circuit board 142 causes the roller blind to perform the corresponding action. Specifically, it can be controlled as follows: pulling the cord once opens the roller blind, pulling it again stops it, and pulling it again closes it. This cycle of control is repeated, and only one touch switch assembly 21 is needed to achieve all three functions.

[0036] The above embodiments are preferred embodiments of this utility model. All structures similar to this utility model and equivalent changes thereof should fall within the protection scope of this utility model.

Claims

1. A roller blind with a pull cord adjustment mechanism, characterized in that: The roller blind body (1) and the pull cord adjustment mechanism (2) are included. The pull cord adjustment mechanism (2) includes a touch switch assembly (21), a sliding contact (22), a pull cord (23), and an elastic reset member (24) for controlling the opening and closing of the roller blind body (1). The touch switch assembly (21) is disposed on the roller blind body (1). The sliding contact (22) is slidably disposed on the roller blind body (1). One end of the pull cord (23) is connected to the sliding contact (22) and the sliding contact (22) can trigger the touch switch assembly (21) under the pull of the pull cord (23). The elastic reset member (24) is disposed on the roller blind body (1) and the sliding contact (22) can be elastically pushed away from the touch switch assembly (21) by the elastic reset member (24).

2. The roller blind with a pull cord adjustment mechanism according to claim 1, characterized in that: The roller shutter body (1) is provided with a vertical guide groove (11), and the sliding contact block (22) can be vertically slidably embedded in the vertical guide groove (11).

3. A roller blind with a pull cord adjustment mechanism according to claim 2, characterized in that: The roller shutter body (1) is provided with a protruding part (12), which encloses and forms a vertical guide groove (11).

4. A roller blind with a pull cord adjustment mechanism according to claim 3, characterized in that: The protruding portion (12) encloses and forms an inverted U-shaped protruding portion.

5. A roller blind with a pull cord adjustment mechanism according to claim 3, characterized in that: The touch switch assembly (21) is a miniature detection switch; a clearance notch (121) is provided on the protrusion part (12); the sliding contact (22) includes a sliding part (221) and a trigger part (222). The sliding part (221) is slidably embedded in the vertical guide groove (11), and the trigger part (222) is disposed on the side wall of the sliding part (221). The trigger part (222) passes through the clearance notch (121) and is placed on the outside of the protrusion part (12). The trigger part (222) can trigger the miniature detection switch as the sliding part (221) slides.

6. A roller blind with a pull cord adjustment mechanism according to any one of claims 2 to 5, characterized in that: At least one vertical guide groove (111) is provided on the groove wall of the vertical guide groove (11), and the sliding contact block (22) is provided with protrusions (223) that are equal in number and correspond one-to-one in position to the vertical guide grooves (111). The protrusions (223) are slidably embedded in the vertical guide grooves (111).

7. A roller blind with a pull cord adjustment mechanism according to claim 1, characterized in that: The elastic reset element (24) is a spring.

8. A roller blind with a pull cord adjustment mechanism according to claim 6, characterized in that: The roller shutter body (1) is provided with a supporting protrusion (13), the sliding contact block (22) is provided with a covering groove (224), the upper groove wall of the covering groove (224) is provided with a protruding column (225), the elastic reset member (24) is vertically provided on the top of the supporting protrusion (13), the covering groove (224) covers the supporting protrusion (13), and the upper end of the elastic reset member (24) is fitted on the protruding column (225).

9. A roller blind with a pull cord adjustment mechanism according to claim 1, characterized in that: The sliding contact block (22) is provided with a lifting ring (226), and the pull rope (23) is connected to the lifting ring (226); the lower end of the pull rope (23) is a rope loop end (231).

10. A roller blind with a pull cord adjustment mechanism according to claim 1, characterized in that: The roller shutter body (1) includes a body (14) and an end cover (15). The end face of the body (14) is provided with an installation groove (141). The touch switch assembly (21) is disposed in the installation groove (141). The sliding contact block (22) and the elastic reset member (24) are disposed on the inner wall of the end cover. The bottom of the end cover (15) is provided with a clearance hole (151) that penetrates into it, and the pull rope (23) passes downward through the clearance hole (151). The end cover (15) is fitted onto the groove of the installation groove (141).

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