High-stability self-centering tension spring torsion sleeve

Abstract

The utility model discloses a high-stability self-centering tension spring torsion sleeve, which relates to the technical field of tension springs, and comprises a shell, the two ends of the shell are provided with internal thread ports, the inner sides of the two ends of the shell are movably provided with assembling covers, and the inner sides of the assembling covers are movably provided with connecting screws in a penetrating manner. The shell fixes the internal thread openings in the two ends, the connecting screws are positioned on the inner sides of the internal thread openings through threads, stability of the connecting screws is guaranteed, the connecting screws position the assembling covers, the assembling covers are installed at the two ends of the shell, and a movable cavity formed between the shell and the assembling covers is used for limiting the torsion assembly. A rotating disc in the torsion assembly is movably installed on the inner side of a movable cavity through a bearing ring, the rotating disc can be conveniently twisted, the rotating disc is fixedly connected with a connecting base, the connecting base is fixedly connected with a connecting plate, and a user can conveniently assemble the tension spring torsion sleeve through positioning of a connecting screw.

Description

Technical Field

[0001] The utility model relates to the technical field of tension springs, in particular to a high-stability self-centering tension spring torsion sleeve. Background Art

[0002] A tension spring (also called a tension spring, or simply a tension spring) is a helical spring that bears axial tension. A tension spring is generally made of circular cross-section material. When not under load, the coils of the tension spring are generally tight and have no gaps between them. The torsion sleeve is used to connect to the tension spring to facilitate gripping of the tension spring.

[0003] Patent document CN217682967U discloses "a high-stability self-centering tension spring torsion sleeve, comprising a first steel plate, a second steel plate is arranged on the right side of the first steel plate, a slot is provided inside the first steel plate and the second steel plate, a tension spring body is movably installed inside the first steel plate, and an adjustment mechanism is arranged on the top of the tension spring body".

[0004] The internal structure of the tension spring torsion sleeve is mostly a fixed structure, which is not convenient for users to disassemble flexibly and is not convenient for users to disassemble and assemble the device. Utility Model Content

[0005] The utility model aims to provide a highly stable self-centering tension spring torsion sleeve to solve the technical problem that the internal structure of the tension spring torsion sleeve in the prior art is mostly a fixed structure, which is not convenient for users to disassemble flexibly and is not convenient for users to disassemble and assemble the device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-stability self-centering tension spring torsion sleeve, comprising a shell, two ends of the shell are provided with internal threaded openings, and assembly covers are movably installed on the inner sides of the two ends of the shell, and connecting screws are movably installed through the inner side of the assembly cover, and the connecting screws are installed on the inner side of the internal threaded openings through threads, and an active cavity is formed between the assembly cover and the shell, and a torsion assembly is movably installed on the inner side of the active cavity, and a bearing ring is installed on the inner wall of the active cavity. The torsion assembly includes a rotating disk installed on the inner side of the bearing ring, and the rotating disk rotates in the active cavity. A groove is provided at one end of the rotating disk, and a protrusion is installed inside the active cavity, and the protrusion is embedded in the inner side of the groove. A connecting seat is installed at one end of the rotating disk, and the connecting seat movably passes through the inner side of the assembly cover.

[0007] Preferably, a connecting plate is installed at one end of the connecting seat, and a connecting shaft is installed on the inner side of the connecting plate.

[0008] Preferably, a connecting hook assembly is movably mounted on one end of the connecting plate via a connecting shaft, and the connecting hook assembly includes an assembly installed on the outside of the connecting shaft, and a hook is installed on one side of the assembly.

[0009] Preferably, another group of connecting plates is connected to a tension spring assembly via a connecting shaft.

[0010] Preferably, the tension spring assembly comprises a connecting ring connected to the connecting plate via a connecting shaft, and a spring is installed between two sets of connecting rings.

[0011] Preferably, a limiting ring is installed on the inner side of the assembly cover, and the limiting ring is sleeved on the outer side of the connecting seat.

[0012] Preferably, a slide groove is provided on the inner side of the hook, a slide rod is movably installed on the inner side of the slide groove, a handle is installed on the front side of the slide rod, a guide groove is provided on the inner wall of the hook, and the handle passes through the inner side of the guide groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model uses a sleeve-type connection structure, the shell fixes the internal threaded openings at both ends, the inner side of the internal threaded opening positions the connecting screws through threads to ensure the stability of the connecting screws, the connecting screws position the assembly cover, the assembly cover is installed at both ends of the shell, the movable cavity formed between the shell and the assembly cover is used to limit the torsion assembly to ensure the smooth rotation of the torsion assembly, the rotating disk in the torsion assembly is movably installed on the inner side of the movable cavity through the bearing ring, which is convenient for the rotating disk to twist, the rotating disk is fixedly connected to the connecting seat, the connecting seat is fixedly connected to the connecting plate, and the positioning of the connecting screws facilitates the user to assemble the tension spring torsion sleeve;

[0015] 2. The utility model is equipped with a hook and a slide bar, and the handle passes through the inner side of the guide groove. The hook limits the inner slide groove, and the slide groove guides the inner slide bar to prevent the slide bar from shifting when moving. The slide bar and the hook form a complete circle to ensure a tight connection and avoid looseness. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the housing structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the hook structure of the utility model.

[0020] In the figure: 1. shell; 2. assembly cover; 3. connecting screw; 4. bump; 5. rotating disk; 6. connecting seat; 7. connecting plate; 8. assembly part; 9. hook; 10. connecting ring; 11. spring; 12. bearing ring; 13. limiting ring; 14. slide groove; 15. slide rod; 16. handle. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides an embodiment: a high-stability self-centering tension spring torsion sleeve, comprising a shell 1, wherein both ends of the shell 1 are provided with internal threaded openings, and assembly covers 2 are movably installed on the inner sides of both ends of the shell 1, and connecting screws 3 are movably installed through the inner side of the assembly cover 2, and the connecting screws 3 are installed on the inner side of the internal threaded openings through threads, and an active cavity is formed between the assembly cover 2 and the shell 1, and a torsion assembly is movably installed on the inner side of the active cavity, and a bearing ring 12 is installed on the inner wall of the active cavity, and the torsion assembly includes a rotating disk 5 installed on the inner side of the bearing ring 12, and the rotating disk 5 rotates in the active cavity, and a groove is opened at one end of the rotating disk 5, and a convex block 4 is installed inside the active cavity, and the convex block 4 is embedded in the inner side of the groove, and a connecting seat 6 is installed at one end of the rotating disk 5, and the connecting seat 6 movably penetrates the inner side of the assembly cover 2;

[0024] The shell 1 fixes the internal threaded openings at both ends, and the inner side of the internal threaded opening positions the connecting screw 3 through a thread to ensure the stability of the connecting screw 3. The connecting screw 3 positions the assembly cover 2, and the assembly cover 2 is installed at both ends of the shell 1. The movable cavity formed between the shell 1 and the assembly cover 2 is used to limit the torsion component to ensure smooth rotation of the torsion component. The rotating disk 5 in the torsion component is movably installed on the inner side of the movable cavity through the bearing ring 12 to facilitate the torsion of the rotating disk 5. The rotating disk 5 is fixedly connected to the connecting seat 6, and the connecting seat 6 is fixedly connected to the connecting plate 7. The positioning of the connecting screw 3 facilitates the user to assemble the structure. A limiting ring 13 is installed on the inner side of the assembly cover 2, and the limiting ring 13 is sleeved on the outer side of the connecting seat 6.

[0025] A connecting plate 7 is installed at one end of the connecting seat 6, and a connecting shaft is installed on the inner side of the connecting plate 7. A connecting hook assembly is movably installed at one end of the connecting plate 7 through the connecting shaft. The connecting hook assembly includes an assembly 8 installed on the outer side of the connecting shaft, and a hook 9 is installed on one side of the assembly 8. The connecting seat 6 fixes the connecting plate 7 at one end to ensure the stability of the connecting plate 7. The connecting plate 7 is connected to the assembly 8 through the connecting shaft to facilitate users to assemble the device. The assembly 8 is fixedly connected to the hook 9, and the hook 9 is used to connect to an external structure.

[0026] Another group of connecting plates 7 is connected to a tension spring assembly via a connecting shaft, and the tension spring assembly includes a connecting ring 10 connected to the connecting plate 7 via a connecting shaft, and a spring 11 is installed between the two groups of connecting rings 10. The connecting plate 7 at the other end is fixedly connected to the connecting shaft, the connecting shaft is connected to the tension spring assembly, the connecting shaft is connected to the connecting ring 10, and the connecting ring 10 is fixedly connected to the spring 11 to ensure the stability of the connecting structure.

[0027] A slide groove 14 is provided on the inner side of the hook 9, a slide rod 15 is movably installed on the inner side of the slide groove 14, a handle 16 is installed on the front side of the slide rod 15, a guide groove is provided on the inner wall of the hook 9, the handle 16 passes through the inner side of the guide groove, the hook 9 limits the inner slide groove 14, the slide groove 14 guides the inner slide rod 15 to prevent the slide rod 15 from shifting when moving, the slide rod 15 and the hook 9 form a complete circle to ensure a tight connection and avoid looseness.

[0028] Working principle: The connecting screws 3 are used to position the assembly cover 2, and the assembly cover 2 is installed at both ends of the shell 1. The movable cavity formed between the shell 1 and the assembly cover 2 is used to limit the torsion component to ensure the smooth rotation of the torsion component. The rotating disk 5 in the torsion component is movably installed on the inner side of the movable cavity through the bearing ring 12, which is convenient for the rotating disk 5 to twist. The rotating disk 5 is fixedly connected to the connecting seat 6, and the connecting seat 6 is fixedly connected to the connecting plate 7. The limiting ring 13 is sleeved on the outer side of the connecting seat 6 to ensure the rotation of the connecting seat 6, which is convenient for users to assemble and maintain the components.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A high-stability self-centering tension spring torsion sleeve, comprising a housing (1), characterized in that: Internal threaded openings are provided at both ends of the shell (1), and assembly covers (2) are movably installed on the inner sides of both ends of the shell (1). A connecting screw (3) is movably installed through the inner side of the assembly cover (2), and the connecting screw (3) is installed on the inner side of the internal threaded opening through a thread. An active cavity is formed between the assembly cover (2) and the shell (1), and a torsion assembly is movably installed on the inner side of the active cavity. A bearing ring (12) is installed on the inner wall of the active cavity. The torsion assembly comprises a rotating disk (5) installed on the inner side of the bearing ring (12), and the rotating disk (5) rotates in the active cavity. A groove is provided at one end of the rotating disk (5), and a protrusion (4) is installed inside the active cavity. The protrusion (4) is embedded in the inner side of the groove. A connecting seat (6) is installed at one end of the rotating disk (5), and the connecting seat (6) movably passes through the inner side of the assembly cover (2).

2. The high stability self-centering tension spring torsion sleeve according to claim 1, characterized in that: A connecting plate (7) is mounted on one end of the connecting seat (6), and a connecting shaft is mounted on the inner side of the connecting plate (7).

3. The high stability self-centering tension spring torsion sleeve according to claim 2, characterized in that: A connecting hook assembly is movably mounted on one end of the connecting plate (7) via a connecting shaft, and the connecting hook assembly comprises an assembly (8) mounted on the outside of the connecting shaft, and a hook (9) is mounted on one side of the assembly (8).

4. The high stability self-centering tension spring torsion sleeve according to claim 2, characterized in that: Another group of connecting plates (7) is connected to a tension spring assembly via a connecting shaft.

5. The high-stability self-centering tension spring torsion sleeve according to claim 4, characterized in that: The tension spring assembly comprises a connecting ring (10) connected to a connecting plate (7) via a connecting shaft, and a spring (11) is installed between two groups of connecting rings (10).

6. The high stability self-centering tension spring torsion sleeve according to claim 1, characterized in that: A limiting ring (13) is installed on the inner side of the assembly cover (2), and the limiting ring (13) is sleeved on the outer side of the connecting seat (6).

7. The high stability self-centering tension spring torsion sleeve according to claim 3, characterized in that: A slide groove (14) is provided on the inner side of the hook (9), a slide rod (15) is movably mounted on the inner side of the slide groove (14), a handle (16) is mounted on the front side of the slide rod (15), a guide groove is provided on the inner wall of the hook (9), and the handle (16) passes through the inner side of the guide groove.

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