Anti-failure structure for torsion spring of sunshade curtain
By combining the design of limiting rings and torsion springs, the problem of fatigue fracture and reduced elasticity of the torsion springs in sunshades during long-term use is solved, achieving stable opening and closing of sunshades and extending their service life.
Patent Information
- Application Number
- CN202423252935.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing sunshade curtain torsion springs are prone to fatigue breakage and reduced elasticity during long-term use, resulting in insufficient rebound force and affecting the normal service life of the sunshade curtain.
The device employs a combination design of limiting rings, limiting posts, torsion spring bodies, connecting rods, slots, bosses, and hooks. Through their mutual cooperation, the device enhances stability and protection, prevents torsion spring wear and corrosion, and avoids fatigue fracture and weakening of elasticity.
It effectively prevents the failure of the torsion spring in the sunshade curtain, extends its service life, ensures that the sunshade curtain can be smoothly opened and closed, and improves the applicability and durability of the device.
Smart Images
Figure CN223469630U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of sunshade curtain torsion spring, and particularly relates to a sunshade curtain torsion spring anti-failure structure. BACKGROUND
[0002] The sunshade curtain torsion spring is a spring for controlling the opening and closing of a sunshade curtain, usually adopting a torsion spring structure. The torsion spring is a spring capable of generating torque. Its working principle is to generate elastic deformation by applying torque, store energy, and release energy after removing the torque to push the movement of the sunshade curtain.
[0003] At present, the torsion spring will appear failure conditions such as fatigue fracture and elastic weakening in a long-time use process, so that the torsion spring cannot provide sufficient resilience and cannot smoothly expand and retract the sunshade curtain, resulting in a problem of reducing the service life of the sunshade curtain.
[0004] Therefore, the application provides a sunshade curtain torsion spring anti-failure structure to solve the above problems. Content of the utility model
[0005] The application aims to solve the problem in the prior art that the torsion spring will appear failure conditions such as fatigue fracture and elastic weakening in a long-time use process, so that the torsion spring cannot provide sufficient resilience and cannot smoothly expand and retract the sunshade curtain, resulting in a problem of reducing the service life of the sunshade curtain, and provides a sunshade curtain torsion spring anti-failure structure.
[0006] In order to achieve the above object, the utility model adopts the following technical scheme:
[0007] The sunshade curtain torsion spring anti-failure structure comprises a limiting snap ring, the inner wall of the limiting snap ring is fixedly connected with a limiting column, the top end of the limiting column is fixedly connected with a torsion spring main body and a connecting rod, the top end of the connecting rod is fixedly connected with a connecting column, the top end of the connecting column is fixedly connected with a fixed column, one end of the torsion spring main body away from the limiting column is fixedly connected with a hook, the outer surface of the connecting rod is provided with a clamping groove, the inner wall of the clamping groove is fixedly connected with a boss, the inner wall of the fixed column is provided with a first groove, the inner wall of the limiting column is provided with a second groove, the outer surface of the hook is fixedly connected with a protective sleeve, and the outer surface of the protective sleeve is in contact with the inner wall of the clamping groove.
[0008] Preferably, the top end of the limiting snap ring is fixedly connected with a reinforcing ring, and the inner wall of the reinforcing ring is fixedly connected with the outer surface of the limiting column.
[0009] Preferably, the top end of the limiting column is fixedly connected with a limiting shell, and the inner wall of the limiting shell is in contact with the outer surface of the torsion spring main body.
[0010] Preferably, the bottom end of the fixed column is fixedly connected with a fixed ring, and the inner wall of the fixed ring is fixedly connected with the outer surface of the connecting column.
[0011] Preferably, the outer surface of the connecting rod is fixedly connected with a protective sleeve, and the outer surface of the protective sleeve is in contact with the outer surface of the torsion spring body.
[0012] Preferably, the outer surface of the protective sleeve is fixedly connected with a limiting base, and the bottom end of the limiting base is fixedly connected with the top end of the limiting column.
[0013] To sum up, the technical effects and advantages of the present application are:
[0014] 1. The mutual cooperation between the connecting rod, the limiting column, the torsion spring body, the clamping groove, the boss and the hook can prevent the end hook from moving in the Y direction, enhance the use effect of the device, effectively avoid the failure of the sunshade curtain torsion spring, and reduce the service life of the sunshade curtain.
[0015] 2. The mutual cooperation between the hook, the protective sleeve and the protective sleeve can prevent the torsion spring from being directly contacted and abraded, has a certain anti-rust effect, enhances the applicability of the device, effectively avoids the failure of the torsion spring in the long-term use process, such as fatigue fracture and elastic weakening, makes the torsion spring unable to provide sufficient resilience, and cannot smoothly expand and retract the sunshade curtain. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole three-dimensional structure schematic view of the sunshade curtain torsion spring anti-failure structure of the utility model;
[0017] Figure 2 It is a three-dimensional structure schematic view of the torsion spring body of the utility model;
[0018] Figure 3 It is a three-dimensional structure schematic view of the hook of the utility model;
[0019] Figure 4 It is a three-dimensional structure schematic view of the connecting rod of the utility model;
[0020] Figure 5 It is a three-dimensional structure schematic view of the connecting column of the utility model.
[0021] In the drawing: 1, limiting clasp; 2, limiting column; 3, torsion spring body; 4, connecting rod; 5, connecting column; 6, fixed column; 7, first recess; 8, clamping groove; 9, reinforcing ring; 10, limiting shell; 11, hook; 12, protective sleeve; 13, fixed ring; 14, boss; 15, protective sleeve; 16, limiting base; 17, second recess. DETAILED DESCRIPTION
[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments.
[0023] With reference to Figures 1-5 The torsion spring anti-failure structure of the sunshade curtain comprises a limiting snap ring 1, the inner wall of the limiting snap ring 1 is fixedly connected with a limiting column 2, the top end of the limiting column 2 is fixedly connected with a torsion spring main body 3 and a connecting rod 4, the top end of the limiting snap ring 1 is fixedly connected with a reinforcing ring 9, the inner wall of the reinforcing ring 9 is fixedly connected with the outer surface of the limiting column 2, the limiting snap ring 1 and the limiting column 2 can be reinforced through the reinforcing ring 9, and the stability of the device is enhanced.
[0024] The top end of the connecting rod 4 is fixedly connected with a connecting column 5, the top end of the connecting column 5 is fixedly connected with a fixed column 6, the top end of the limiting column 2 is fixedly connected with a limiting shell 10, the inner wall of the limiting shell 10 is in contact with the outer surface of the torsion spring main body 3, the position of the torsion spring main body 3 can be limited through the limiting shell 10, and the function of fixed limiting is achieved.
[0025] The end, away from the limiting column 2, of the torsion spring main body 3 is fixedly connected with a hook 11, the outer surface of the connecting rod 4 is provided with a clamping groove 8, the bottom end of the fixed column 6 is fixedly connected with a fixed ring 13, the inner wall of the fixed ring 13 is fixedly connected with the outer surface of the connecting column 5, the fixed column 6 and the connecting column 5 can be fixed through the fixed ring 13, and the problem of instability due to deviation during use is prevented.
[0026] The inner wall of the clamping groove 8 is fixedly connected with a boss 14, the inner wall of the fixed column 6 is provided with a first groove 7, the inner wall of the limiting column 2 is provided with a second groove 17, the outer surface of the connecting rod 4 is fixedly connected with a protective sleeve 15, the outer surface of the protective sleeve 15 is in contact with the outer surface of the torsion spring main body 3, the connecting rod 4 can be protected through the protective sleeve 15, and external interference is prevented.
[0027] The outer surface of the hook 11 is fixedly connected with a protective sleeve 12, the outer surface of the protective sleeve 12 is in contact with the inner wall of the clamping groove 8, the outer surface of the protective sleeve 15 is fixedly connected with a limiting base 16, the bottom end of the limiting base 16 is fixedly connected with the top end of the limiting column 2, the protective sleeve 15 and the limiting column 2 can be reinforced through the limiting base 16, and the problem of shaking deviation during work is avoided.
[0028] The working principle of the utility model is: in use, firstly, when the sunshade curtain is unfolded, the torsional spring main body 3 is twisted, the elastic potential is increased, the protective sleeve 12 and the protective sleeve 15 in the anti-failure structure protect the torsional spring main body 3 from external interference, the clamping groove 8 and the boss 14 ensure that the torsional angle of the torsional spring main body 3 is within a safe range, when the sunshade curtain needs to be retracted, the torsional spring main body 3 releases the elastic potential, drives the sunshade curtain reel to rotate, makes the sunshade curtain retract, in this process, the anti-failure structure continuously plays a role, guarantees the normal function of the torsional spring main body 3, and the protective sleeve 12 can be a sleeve of plastic or rubber material, is wrapped in the partial outer surface of the torsional spring, its role is to prevent the torsional spring from directly contacting the inside of the clamping groove 8 and causing abrasion, at the same time, can also play a certain anti-rust effect, can effectively avoid the failure conditions such as fatigue fracture and elastic weakening of the torsional spring in the long-time use process, make the torsional spring unable to provide sufficient resilience, unable to make the sunshade curtain smoothly unfold and retract, cause the service life of the sunshade curtain to reduce.
[0029] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0030] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0031] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A sunshade curtain torsion spring anti-failure structure comprising a limiting snap ring (1), characterized in that: The inner wall of the limiting snap ring (1) is fixedly connected with a limiting column (2), the top end of the limiting column (2) is fixedly connected with a torsion spring body (3) and a connecting rod (4), the top end of the connecting rod (4) is fixedly connected with a connecting column (5), the top end of the connecting column (5) is fixedly connected with a fixed column (6), one end of the torsion spring body (3) away from the limiting column (2) is fixedly connected with a hook (11), the outer surface of the connecting rod (4) is provided with a clamping groove (8), the inner wall of the clamping groove (8) is fixedly connected with a boss (14), the inner wall of the fixed column (6) is provided with a first groove (7), the inner wall of the limiting column (2) is provided with a second groove (17), the outer surface of the hook (11) is fixedly connected with a protective sleeve (12), and the outer surface of the protective sleeve (12) is in contact with the inner wall of the clamping groove (8). 2. The torsion spring anti-loss structure of the sunshade curtain according to claim 1, characterized in that: The top end of the limiting snap ring (1) is fixedly connected with a reinforcing ring (9), and the inner wall of the reinforcing ring (9) is fixedly connected with the outer surface of the limiting column (2).
3. The torsion spring anti-loss structure of the sunshade curtain according to claim 1, characterized in that: The top end of the limiting column (2) is fixedly connected with a limiting shell (10), and the inner wall of the limiting shell (10) is in contact with the outer surface of the torsion spring body (3).
4. The torsion spring anti-loss structure of the sunshade curtain according to claim 1, characterized in that: The bottom end of the fixed column (6) is fixedly connected with a fixed ring (13), and the inner wall of the fixed ring (13) is fixedly connected with the outer surface of the connecting column (5).
5. The torsion spring anti-loss structure of the sunshade curtain according to claim 1, characterized in that: The outer surface of the connecting rod (4) is fixedly connected with a protective sleeve (15), and the outer surface of the protective sleeve (15) is in contact with the outer surface of the torsion spring body (3).
6. The torsion spring anti-loss structure of a sunshade curtain according to claim 5, characterized in that: The outer surface of the protective sleeve (15) is fixedly connected with a limiting base (16), and the bottom end of the limiting base (16) is fixedly connected with the top end of the limiting column (2).