Novel stretching type spring
By introducing hooks, rotating seats and limiting structures into the stretched spring, the problem of fixed spring length and easy hook falling off is solved, the splicability and stability of the spring is achieved, and the efficiency and safety of use are improved.
Patent Information
- Application Number
- CN202421123827.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-22
AI Technical Summary
The existing stretch springs have fixed lengths, are difficult to splice, the hooks are easy to fall off, and are less safe.
A new type of stretch spring is designed, adopting a hook, rotating seat, rotating rod, torsion spring and limiting groove structure. Through the coordination of threaded columns and threaded holes, the splicing and fixed connection between the springs is achieved to ensure the hooking. stability.
The splicability and difficulty of falling off of springs are achieved, and the efficiency and safety of use are improved, allowing the free combination of springs according to different environments to simplify operation and reduce the risk of decoupling.
Smart Images

Figure CN222296826U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of general lighting technology or auxiliary lighting technology, in particular to a novel tension spring. Background Art
[0002] Extension springs (also called tension springs, or extension springs for short) are helical springs that bear axial tension. Extension springs are generally made of circular cross-section materials. When not bearing load, the coils of the extension spring are generally tight and there is no gap between them.
[0003] However, the currently used tension springs have a fixed length and are difficult to splice, and the spring hooks are easily detached from the hanging position, which results in low safety.
[0004] In view of this, research and improvements are conducted on the existing problems, and a new type of tension spring is provided, which has a reasonable structural design, is splicable, not easy to fall off, and has a wide range of applications. It reduces manpower and material resources and greatly improves work efficiency. The purpose is to solve the problem and improve the practical value through this technology. Utility Model Content
[0005] The utility model aims to solve the shortcomings in the prior art and proposes a novel tension spring.
[0006] In order to achieve the above-mentioned objectives, the utility model adopts the following technical scheme: a new type of tension spring, including a hook, a first spring fixedly connected to the bottom of the hook, a first docking plate fixedly connected to the bottom of the first spring, a second fixed plate movably connected to the bottom of the first docking plate, a second spring fixedly connected to the bottom of the second fixed plate, a second spring fixedly connected to the second docking plate at the bottom, a third fixed plate movably connected to the bottom of the second docking plate, a third spring fixedly connected to the bottom of the third fixed plate, a first threaded column fixedly connected to the bottom of the first docking plate, a second threaded hole is provided inside the second fixed plate, a second threaded column is fixedly connected to the bottom of the second docking plate, a third threaded hole is provided inside the third fixed plate, the outer wall of the first spring is fixedly connected to a rotating seat, a rotating rod is provided inside the rotating seat, and a limiting groove is provided on the inner wall of the hook.
[0007] As a further description of the above technical solution:
[0008] The rotating seat and the rotating rod form a limiting structure. A torsion spring is arranged inside the rotating seat, and the rotating rod cooperates with the limiting groove.
[0009] As a further description of the above technical solution:
[0010] The first threaded column is only located at the bottom of the first docking plate, and the outer diameter of the first threaded column matches the inner diameter of the second threaded hole. The second threaded column is only located at the bottom of the second docking plate, and the outer diameter of the second threaded column matches the inner diameter of the third threaded hole.
[0011] As a further description of the above technical solution:
[0012] The second fixing plate, the second spring and the second docking plate constitute a main docking structure, and the main docking structure is respectively connected to the first spring and the third spring.
[0013] As a further description of the above technical solution:
[0014] The upper and lower ends of the third spring are fixedly connected with a third fixing plate, and the third fixing plate and the third spring form a secondary docking structure.
[0015] As a further description of the above technical solution:
[0016] The first docking plate, the second fixing plate, the second docking plate, and the third fixing plate are all circular in appearance, and the first threaded column and the second threaded column are of the same size.
[0017] The utility model has the following beneficial effects:
[0018] In the utility model, by combining the features of being splicable, not easy to fall off, and having a wide range of applications, the use effect of the novel tension spring is greatly improved. By splicing the springs, the springs can be freely combined according to different use environments, the splicing speed is effectively improved, and the operation is relatively simple. In addition, by the mutual cooperation of the torsion spring and the rotating rod, the hook can be effectively fixed to reduce the possibility of unhooking. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the overall structure of a novel tension spring proposed by the utility model;
[0020] Figure 2 This is a schematic diagram of the first spring structure of a novel tension spring proposed by the utility model;
[0021] Figure 3 A schematic diagram of the second spring structure of a novel tension spring proposed by the utility model;
[0022] Figure 4 This is a schematic diagram of the third spring structure of a novel tension spring proposed by the utility model;
[0023] Figure 5 This is a schematic structural diagram of part A of a novel tension spring proposed by the utility model.
[0024] Legend:
[0025] 1. Hook; 2. First spring; 3. First docking plate; 4. Second fixed plate; 5. Second spring; 6. Second docking plate; 7. Third fixed plate; 8. Third spring; 9. First threaded column; 10. Second threaded hole; 11. Second threaded column; 12. Third threaded hole; 13. Rotating seat; 14. Rotating rod; 15. Limiting groove. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0028] Reference Figure 1-5, an embodiment provided by the utility model: a novel tension spring comprises a hook 1, a first spring 2 is fixedly connected to the bottom of the hook 1, a first docking plate 3 is fixedly connected to the bottom of the first spring 2, a second fixed plate 4 is movably connected to the bottom of the first docking plate 3, so as to facilitate docking of the first spring 2 with the second spring 5, a second spring 5 is fixedly connected to the bottom of the second fixed plate 4, a second docking plate 6 is fixedly connected to the bottom of the second spring 5, a third fixed plate 7 is movably connected to the bottom of the second docking plate 6, so as to facilitate docking of the second spring 5 with the third spring 8, a third spring 8 is fixedly connected to the bottom of the third fixed plate 7, a first threaded column 9 is fixedly connected to the bottom of the first docking plate 3, a second threaded hole 10 is arranged inside the second fixed plate 4, a second threaded column 11 is fixedly connected to the bottom of the second docking plate 6, a third threaded hole 12 is arranged inside the third fixed plate 7, a rotating seat 13 is fixedly connected to the outer wall of the first spring 2, a rotating rod 14 is arranged inside the rotating seat 13, a limiting groove 15 is arranged on the inner wall of the hook 1 to limit the position and prevent the hook 1 from falling off.
[0029] Specifically, the rotating seat 13 and the rotating rod 14 form a limiting structure. A torsion spring is arranged inside the rotating seat 13. The rotating rod 14 cooperates with the limiting groove 15 to effectively ensure the stability of the position of the hook 1 and prevent it from falling off.
[0030] Specifically, the first threaded column 9 is only located at the bottom of the first docking plate 3, and the outer diameter of the first threaded column 9 matches the inner diameter of the second threaded hole 10. The second threaded column 11 is only located at the bottom of the second docking plate 6, and the outer diameter of the second threaded column 11 matches the inner diameter of the third threaded hole 12, which is convenient for subsequent docking or disassembly by users.
[0031] Specifically, the second fixing plate 4, the second spring 5, and the second docking plate 6 constitute a main docking structure, and the main docking structure is respectively connected to the first spring 2 and the third spring 8, so that the docking length can be freely selected according to actual conditions.
[0032] Specifically, the third spring 8 is fixedly connected to the third fixing plate 7 at both ends, and the third fixing plate 7 and the third spring 8 form a secondary docking structure, which facilitates docking of the springs at both ends to form a whole.
[0033] Specifically, the first docking plate 3, the second fixing plate 4, the second docking plate 6, and the third fixing plate 7 are all circular in appearance, and the first threaded column 9 and the second threaded column 11 are of the same size.
[0034] Working principle: When in use, the user takes the first docking plate 3 and aligns the first threaded column 9 at the bottom of the first docking plate 3 with the second threaded hole 10 at the top of the second fixing plate 4 to connect them together, and then aligns the second threaded column 11 at the bottom of the second docking plate 6 with the third threaded hole 12 at the top of the third fixing plate 7 to connect them. After the upper part is connected, the lower part can be docked according to the above steps. The user can also freely choose the number of second springs 5 according to actual conditions. If the required length is longer, one group of second threaded holes 10 is docked with another group of second threaded columns 11 to increase the length. After the length is increased, the lower part can be docked according to the above steps.
[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A novel tension spring, comprising a hook (1), characterized in that: The bottom of the hook (1) is fixedly connected to a first spring (2), the bottom of the first spring (2) is fixedly connected to a first docking plate (3), the bottom of the first docking plate (3) is movably connected to a second fixed plate (4), the bottom of the second fixed plate (4) is fixedly connected to a second spring (5), the bottom of the second spring (5) is fixedly connected to a second docking plate (6), the bottom of the second docking plate (6) is movably connected to a third fixed plate (7), the bottom of the third fixed plate (7) is fixedly connected to a third spring (8), the bottom of the first docking plate (3) is fixedly connected to a first threaded column (9), the second fixed plate (4) is provided with a second threaded hole (10), the bottom of the second docking plate (6) is fixedly connected to a second threaded column (11), the third fixed plate (7) is provided with a third threaded hole (12), the outer wall of the first spring (2) is fixedly connected to a rotating seat (13), the rotating seat (13) is provided with a rotating rod (14), and the inner wall of the hook (1) is provided with a limiting groove (15).
2. A novel tension spring according to claim 1, characterized in that: The rotating seat (13) and the rotating rod (14) form a limiting structure; a torsion spring is arranged inside the rotating seat (13); and the rotating rod (14) cooperates with the limiting groove (15).
3. A novel tension spring according to claim 1, characterized in that: The first threaded column (9) is only located at the bottom of the first docking plate (3), and the outer diameter of the first threaded column (9) matches the inner diameter of the second threaded hole (10). The second threaded column (11) is only located at the bottom of the second docking plate (6), and the outer diameter of the second threaded column (11) matches the inner diameter of the third threaded hole (12).
4. A novel tension spring according to claim 1, characterized in that: The second fixing plate (4), the second spring (5) and the second docking plate (6) form a main docking structure, and the main docking structure is respectively connected to the first spring (2) and the third spring (8).
5. A novel tension spring according to claim 1, characterized in that: The third spring (8) is fixedly connected to a third fixing plate (7) at both upper and lower ends, and the third fixing plate (7) and the third spring (8) form a secondary docking structure.
6. A novel tension spring according to claim 1, characterized in that: The first docking plate (3), the second fixing plate (4), the second docking plate (6), and the third fixing plate (7) are all circular in appearance, and the first threaded column (9) and the second threaded column (11) are of the same size.
