Novel contracted pipe hinge

By designing the concentric axis rotation connection of the hollow circular tube, connecting tube and central tube and the sliding connection of the locking pin, the problem of the small application range of the existing shrinking tube hinge is solved, and it is widely used in the fields of doors, windows and movable brackets.

CN223410650UActive Publication Date: 2025-10-03MAO MING SHI LONG WANG KE JI YOU XIAN GONG SI
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Patent Information

Application Number
CN202422843561.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-03
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

The existing shrink tube hinges have a narrow application range and are mainly used for customized applications. They are difficult to be applied to doors, windows and movable brackets at the same time.

Method used

A new type of shrinking tube hinge is designed, which realizes applicability in various application scenarios through the concentric axis rotation connection of the hollow circular tube, connecting tube and central tube, combined with the sliding connection of the locking pin.

Benefits of technology

The application scope of the shrink tube hinge is expanded, so that it can be applied to doors, windows, movable brackets and other fields, and the flexibility and applicability of use are improved.

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Abstract

The utility model belongs to the technical field of contracted pipe hinges, and provides a novel contracted pipe hinge which comprises a hollow circular pipe, a central pipe is rotatably connected to the hollow circular pipe through a connecting shaft, a connecting pipe is rotatably connected to one end, far away from the connecting pipe, of the central pipe through the connecting shaft, and the hollow circular pipe and the connecting pipe are fixedly connected with the same object. According to the contracted pipe hinge, the hollow round pipe and the connecting pipe are fixed to one object, the central pipe is fixed to the other object, the central pipe can enable the fixed object to coaxially rotate on the hollow round pipe and the connecting pipe, and therefore the contracted pipe hinge can be applied to the fields of doors, windows and movable supports, and the use range of the contracted pipe hinge is widened.
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Description

Technical Field

[0001] The utility model relates to the technical field of shrinking tube hinges, in particular to a novel shrinking tube hinge. Background Art

[0002] Hinges, as mechanical devices that connect two solid objects and allow them to rotate relative to each other, are widely used in doors, windows, furniture, and other applications. Their main components are a leaf and a shaft, with the leaf rotating around the shaft to open and close the panel. However, existing shrink-tube hinges are often too narrow to be used in all applications, being mostly custom-made and unsuitable for doors, windows, and movable brackets. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a new type of shrinking tube hinge.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a new type of shrinking tube hinge, including a hollow circular tube, which is rotatably connected to a center tube on the hollow circular tube via a connecting shaft, and one end of the hollow circular tube away from the connecting tube is rotatably connected to the connecting tube via a connecting shaft, and at the same time, the hollow circular tube and the connecting tube are fixed with the same object, a first connecting object is fixed to the hollow circular tube and the connecting tube, a first circular tube is fixed to the first connecting object, and a locking pin is slidably connected to the first circular tube.

[0005] As a further description of the above technical solution:

[0006] The central tube is located between the hollow circular tube and the connecting tube, and the diameter of the central tube is consistent with the diameters of the hollow circular tube and the connecting tube.

[0007] As a further description of the above technical solution:

[0008] A second connecting object is fixedly connected to the central tube, and a second circular tube is fixedly connected to the second connecting object.

[0009] As a further description of the above technical solution:

[0010] One end of the locking pin away from the first circular tube passes through and is slidably connected to the second circular tube.

[0011] As a further description of the above technical solution:

[0012] The hollow circular tube, the connecting tube and the central tube rotate around the same axis.

[0013] The utility model has the following beneficial effects:

[0014] In the utility model, the hollow circular tube and the connecting tube are fixed on one object, and the central tube is fixed on another object. Then, the central tube can make the fixed object rotate coaxially with the hollow circular tube and the connecting tube, so that the shrinkage tube hinge can be applied to doors, windows, and movable brackets, thereby improving the application range of the shrinkage tube hinge. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a diagram of the open state of a new type of shrinking tube hinge proposed by the utility model;

[0016] Figure 2 This is a diagram of the closed state of a new type of shrinking tube hinge proposed by the utility model;

[0017] Figure 3 This is a top perspective view of a novel shrinking tube hinge proposed in the present invention;

[0018] Figure 4 This is a schematic diagram of the local structure of a new type of shrinking hinge proposed by the utility model Figure 1 ;

[0019] Figure 5 This is a schematic diagram of the local structure of a new type of shrinking hinge proposed by the utility model Figure 2 ;

[0020] Figure 6 This is an exploded view of the local structure of a new type of shrinking tube hinge proposed by the utility model;

[0021] Figure 7 This is a schematic diagram of the local structure of a new type of shrinking hinge proposed by the utility model Figure 3 .

[0022] Legend:

[0023] 1. Hollow circular tube; 2. Connecting tube; 3. Center tube; 4. First circular tube; 5. Second circular tube; 6. Locking pin; 7. First connecting object; 8. Second connecting object. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example: See Figure 1-7The utility model provides an embodiment: a new type of shrinking tube hinge, including a hollow circular tube 1, a center tube 3 is rotatably connected to the hollow circular tube 1 through a connecting shaft, and the end of the hollow circular tube 1 away from the connecting tube 2 is rotatably connected to the connecting tube 2 through a connecting shaft, and at the same time, the hollow circular tube 1 and the connecting tube 2 are fixed with the same object.

[0026] Working principle: First, shrink one end of the hollow circular tube 1 and the connecting tube 2 to connect the shaft so that they can be installed in the center tube 3, and then fix the hollow circular tube 1 and the connecting tube 2 on one object, and fix the center tube 3 on another object. Then, the center tube 3 can make the fixed object rotate coaxially with the hollow circular tube 1 and the connecting tube 2, and then the first connecting object 7 and the second connecting object 8 can be connected to the two objects. By inserting the locking pin 6 on the first circular tube 4 into the second circular tube 5, the connection between the two groups of objects can be locked.

[0027] As a preferred embodiment, the central tube 3 is located between the hollow circular tube 1 and the connecting tube 2 , and the diameter of the central tube 3 is consistent with the diameters of the hollow circular tube 1 and the connecting tube 2 .

[0028] like Figure 1-3 As shown: the hollow circular tube 1 and the connecting tube 2 are respectively located at the upper and lower ends of the central tube 3.

[0029] As a preferred embodiment, a first connecting object 7 is fixedly connected to the hollow circular tube 1 and the connecting tube 2 , a first circular tube 4 is fixedly connected to the first connecting object 7 , and a locking pin 6 is slidably connected to the first circular tube 4 .

[0030] like Figure 4-5 As shown: the first round tube 4 and the locking pin 6 are made of stainless steel, and the locking pin 6 is in the shape of a hook.

[0031] As a preferred embodiment, the central tube 3 is fixedly connected to a second connection object 8 , and the second connection object 8 is fixedly connected to the second circular tube 5 .

[0032] like Figure 1-7 As shown, the second round tube 5 and the first round tube 4 are symmetrical to each other on the central tube 3 and are made of the same material as the first round tube 4 .

[0033] As a preferred embodiment, the end of the locking pin 6 away from the first circular tube 4 penetrates and is slidably connected to the second circular tube 5 .

[0034] As a preferred embodiment, the hollow circular tube 1, the connecting tube 2 and the central tube 3 rotate coaxially.

[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 replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A novel shrink tube hinge, comprising a hollow circular tube (1), characterized in that: The hollow circular tube (1) is rotatably connected to a center tube (3) via a connecting shaft, and one end of the hollow circular tube (1) of the center tube (3) away from the connecting tube (2) is rotatably connected to the connecting tube (2) via a connecting shaft. At the same time, the hollow circular tube (1) and the connecting tube (2) are fixedly connected to the same object. A first connecting object (7) is fixedly connected to the hollow circular tube (1) and the connecting tube (2). The first connecting object (7) is fixedly connected to a first circular tube (4), and a locking pin (6) is slidably connected to the first circular tube (4).

2. The novel shrink tube hinge according to claim 1, characterized in that: The central tube (3) is located between the hollow circular tube (1) and the connecting tube (2), and the diameter of the central tube (3) is consistent with the diameters of the hollow circular tube (1) and the connecting tube (2).

3. The novel shrink tube hinge according to claim 2, characterized in that: A second connecting object (8) is fixedly connected to the central tube (3), and a second circular tube (5) is fixedly connected to the second connecting object (8).

4. The novel shrinking tube hinge according to claim 3, characterized in that: The end of the locking pin (6) away from the first circular tube (4) penetrates and is slidably connected to the second circular tube (5).

5. The novel shrink tube hinge according to claim 4, characterized in that: The hollow circular tube (1), the connecting tube (2) and the central tube (3) rotate coaxially.