Roller shutter controlled by safety walking stick

Abstract

The utility model discloses a roller shutter controlled by a safety walking stick, which comprises a coupling for driving a roller shutter shaft lever to rotate; the safety walking stick is detachably mounted on the coupling; wherein the coupling comprises an inner side shell and an outer side shell, the outer side shell is detachably mounted on the inner side shell, and a connecting seat is arranged on the inner side shell; a mounting seat is arranged at one end of the safety walking stick, an inserting part with a narrow upper part and a wide lower part is arranged on the mounting seat, a counterbore is formed in the inserting part, the inserting part is fixedly mounted on the connecting seat through a bolt, the bolt is arranged in the counterbore, a barb is arranged at the end part of the inserting part, and a first clamping groove corresponding to the barb in position is formed in the inner side shell. Compared with the prior art, the safety walking stick solves the problem that an existing fixed safety walking stick of a roller shutter mechanism is prone to misoperation.

Description

Technical Field

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

[0002] To improve safety, electric roller shutter mechanisms are typically equipped with a manual control lever for manually controlling the rotation of the roller shutter shaft. For example, Chinese Patent CN118835914A discloses a fruit ripening warehouse windbreak control mechanism that can switch between manual and electric operation. This mechanism includes a warehouse body and a windbreak curtain. A first mounting plate is fixedly installed on the left side of the warehouse body, and a second mounting plate is fixedly installed on the right side. Both the first and second mounting plates have through holes, and the same roller shutter shaft is rotatably mounted inside these through holes. The windbreak curtain is wound around the roller shutter shaft. This windbreak curtain can be simultaneously adjusted manually steplessly and automatically steplessly using a DC geared motor.

[0003] The safety cane of the existing roller shutter mechanism has a fixed structure, which is prone to misoperation and affects the normal electric winding of the roller shutter mechanism. Utility Model Content

[0004] The purpose of this invention is to provide a roller blind controlled by a safety cane, so as to solve the problem that the fixed safety cane of the existing roller blind mechanism is prone to misoperation.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a roller blind controlled by a safety cane, comprising:

[0006] Coupling, which is used to drive the roller shutter shaft to rotate;

[0007] Safety cane, which is detachably mounted on the coupling;

[0008] The coupling includes an inner housing and an outer housing. The outer housing is detachably mounted on the inner housing, and a connecting seat is provided on the inner housing.

[0009] The safety cane has a mounting base at one end, and a plug-in part that is narrower at the top and wider at the bottom is provided on the mounting base. The plug-in part has a countersunk hole. The plug-in part is fixedly installed on the connecting base by bolts, which are placed in the countersunk hole. The end of the plug-in part has a barb, and the inner shell has a first groove corresponding to the position of the barb.

[0010] As a further description of the above technical solution:

[0011] The inner shell has several circumferentially arranged snap-fit ​​plates, and the outer shell has snap-fit ​​holes on its side wall corresponding to the snap-fit ​​plates.

[0012] As a further description of the above technical solution:

[0013] The inner shell is provided with strip-shaped ribs, and the insertion part is provided with a snap-fit ​​groove that matches the shape of the strip-shaped ribs.

[0014] As a further description of the above technical solution:

[0015] Symmetrically arranged snap-fit ​​grooves are provided on one of the opposite side walls of the insertion part.

[0016] As a further description of the above technical solution:

[0017] A safety cane consists of an inner tube and an outer tube, with the inner tube housed within the outer tube.

[0018] As a further description of the above technical solution:

[0019] The safety cane has a rubber grip handle at the bottom.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0021] 1. In this utility model, the safety cane and the coupling use a detachable structure, allowing the safety cane to be disassembled to prevent accidental operation. When the safety cane is connected to the coupling, it is locked by a countersunk bolt, and to prevent the safety cane from being pulled down and detached from the coupling, a barb is provided at the end of the insertion part to improve the connection strength between the safety cane and the coupling.

[0022] 2. In this utility model, the inner shell is provided with a number of buckle plates arranged in a circumferential direction, and the side wall of the outer shell is provided with buckle holes corresponding to the buckle plates, so as to realize the detachable installation of the outer shell and facilitate the disassembly of the outer shell to quickly disassemble the safety cane. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of a roller shutter controlled by a safety cane.

[0025] Figure 2 This is a structural breakdown diagram of a roller blind controlled by a safety cane.

[0026] Figure 3 A schematic diagram of the installation of a safety cane in a roller shutter controlled by a safety cane. Figure 1 .

[0027] Figure 4 A schematic diagram of the installation of a safety cane in a roller shutter controlled by a safety cane. Figure 2 .

[0028] Figure 5 for Figure 4 A magnified view of a portion of point A in the middle.

[0029] Figure 6 This is a cross-sectional view of a safety cane in a roller shutter controlled by a safety cane.

[0030] Legend:

[0031] 1. Coupling; 11. Roller blind shaft; 12. Inner housing; 121. Connecting seat; 122. Buckle plate; 123. Strip-shaped rib; 13. Outer housing; 131. Fastening hole;

[0032] 2. Safety cane; 21. Mounting base; 211. Plug-in part; 212. Barb; 213. Snap-fit ​​groove; 22. Inner tube; 23. Outer tube; 24. Rubber grip handle. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0034] Example 1

[0035] Please see Figure 1-6 This utility model provides a technical solution: a roller blind controlled by a safety cane, comprising:

[0036] Coupling 1 is used to drive the roller shutter shaft 11 to rotate;

[0037] Safety cane 2, which is detachably mounted on coupling 1;

[0038] The coupling 1 includes an inner housing 12 and an outer housing 13. The outer housing 13 is detachably mounted on the inner housing 12, and a connecting seat 121 is provided on the inner housing 12.

[0039] The safety cane 2 has a mounting base 21 at one end. The mounting base 21 has a plug-in part 211 that is narrower at the top and wider at the bottom. The plug-in part 211 has a countersunk hole. The plug-in part 211 is fixedly installed on the connecting base 121 by bolts. The bolts are set in the countersunk hole. The end of the plug-in part 211 has a barb 212. The inner shell 12 has a first slot corresponding to the position of the barb 212.

[0040] The safety cane 2 has a rubber grip handle 24 at the bottom for easy operation.

[0041] Working principle: The safety cane 2 and the coupling 1 use a detachable structure. To avoid accidental operation, the safety cane 2 can be disassembled. When the safety cane 2 is connected to the coupling 1, it is locked by a countersunk bolt. In addition, to prevent the safety cane 2 from being pulled down and detached from the coupling 1, a barb 212 is provided at the end of the insertion part 211 to improve the connection strength between the safety cane 2 and the coupling 1.

[0042] Example 2

[0043] Based on the above embodiments, this embodiment further improves upon the following technical solutions: the inner housing 12 is provided with a plurality of circumferentially arranged buckle plates 122, and the side wall of the outer housing 13 is provided with buckle holes 131 corresponding to the buckle plates 122, so as to realize the detachable installation of the outer housing 13 and facilitate the disassembly of the outer housing 13 to quickly disassemble the safety cane 2.

[0044] Example 3

[0045] Based on the above embodiments, this embodiment further improves upon the following technical solution: a strip-shaped rib 123 is provided on the inner shell 12, and a matching groove 213 with a matching shape to the strip-shaped rib 123 is provided on the insertion part 211.

[0046] When the safety cane 2 is connected to the coupling 1, the strip-shaped protrusion 123 on the inner shell 12 cooperates with the snap-fit ​​groove 213 on the insertion part 211, further preventing the safety cane 2 from being pulled down and detached from the coupling 1, and improving the connection strength.

[0047] In addition, symmetrically arranged snap-fit ​​grooves 213 are provided on one opposite side wall of the plug part 211, so that the safety cane 2 can be installed without distinguishing between the front and back, reducing the difficulty of installation.

[0048] Example 4

[0049] This embodiment further improves upon the above embodiments by providing the following technical solution: the safety cane 2 includes an inner tube 22 and an outer tube 23, with the inner tube 22 disposed within the outer tube 23. The outer tube 23 may be made of plastic, while the inner tube 22 may be made of metal to enhance the deformation resistance of the safety cane 2.

[0050] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A security-wand-controlled roller shutter, characterized in that, The utility model relates to a safety walking stick with a drive shaft for driving a roller blind shaft to rotate, comprising: a joint for driving a roller blind shaft to rotate; a safety walking stick detachably mounted on the joint; wherein the joint comprises an inner casing and an outer casing, the outer casing being detachably mounted on the inner casing, the inner casing being provided with a connecting seat; the safety walking stick is provided at one end with a mounting seat, the mounting seat being provided with an upper narrow and lower wide insertion part, the insertion part being provided with a countersunk hole, the insertion part being fixedly mounted on the connecting seat by a bolt, the bolt being arranged in the countersunk hole, the insertion part being provided at the end with a barb, the inner casing being provided with a first clamping groove corresponding to the barb in position.

2. A security walking stick controlled roller blind according to claim 1, characterised in that, the inner casing is provided with a plurality of clamping plates arranged circumferentially, the side wall of the outer casing being provided with a clamping hole corresponding to the clamping plates in position.

3. A security walking stick controlled roller blind according to claim 1, wherein, the inner casing is provided with a strip-shaped convex rib, the insertion part being provided with a clamping groove matched in shape with the strip-shaped convex rib.

4. A security walking stick controlled roller blind according to claim 3, wherein, the opposite side wall of the insertion part is provided with the clamping groove arranged symmetrically.

5. A security walking stick controlled roller shutter according to claim 1, characterized in that, the safety walking stick comprises an inner tube and an outer tube, the inner tube being arranged in the outer tube.

6. A security walking stick controlled roller shutter according to claim 1, characterized in that, the safety walking stick is provided at the bottom with a rubber holding handle.

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