Simple shaftless hinge structure

Abstract

The utility model discloses a simple shaftless hinge structure, which relates to the technical field of hinge structures, and comprises a left single piece 1 and a right single piece 2, a square hole 101 is formed in the left single sheet 1 and is used for rotating the convex part of the right single sheet; a convex edge 201 is arranged on the left side of the right single sheet 2 and is rolled into a large cylinder (the inner diameter of the convex edge 201 is larger than the outer diameter of the small cylinder, a gap is formed in a joint and is used for inserting the assembled left single sheet 1, one part of the large cylinder and the other part of the small cylinder serve as a shaft, and the other part of the large cylinder and the other part of the small cylinder serve as a shaft sleeve); when the square opening 101 and the convex edge 201 are completely overlapped, the left single piece and the right single piece are rotated to form the hinge; the shaftless hinge is simple in integral processing and installation, omits an independent shaft manufacturing process, saves materials, reduces working hours, and is suitable for processing and manufacturing various shaftless hinges.

Description

Technical Field

[0001] This utility model belongs to the field of hinge structure technology, specifically, it relates to a simple shaftless hinge structure. Background Technology

[0002] A hinge, also known as a door hinge, is a component that connects two parts of an object and allows them to move. Common hinges are used for cabinet doors, windows, and other doors, replacing the traditional door hinge. In modern technology, new types of hinges have also emerged to improve certain aspects of functionality.

[0003] Chinese patent CN218029686U discloses a hinge, including a hinge fixing piece, a rubber sleeve, and a connecting shaft. The hinge fixing piece has a mounting groove, the rubber sleeve is fixedly disposed in the mounting groove, and the connecting shaft is rotatably inserted through the rubber sleeve. The hinge provided in this application places the connecting shaft in the mounting groove and fits the rubber sleeve onto the connecting shaft. However, this type of hinge has a complex manufacturing process, high cost, and long production time, making it unsuitable for low-cost mass production, and its installation and disassembly are cumbersome.

[0004] In view of this, this utility model is proposed. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the lack of innovation in the existing technology and provide a simple shaftless hinge structure, which solves the problems mentioned in the background technology.

[0006] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0007] A simple shaftless hinge structure includes: a left single piece 1 and a right single piece 2.

[0008] Optionally, the left single piece has a square opening through it near the right side, the right side of the directional window has a rotating piece, and the left side of the right single piece has a protruding edge. The rotating piece and the protruding edge are rolled into a cylinder.

[0009] Optionally, the dimensions of the square opening and the rotating piece of the left single piece are related, and the dimensions of the convex edge of the right single piece are related.

[0010] Optionally, mounting holes are provided through the surfaces of the left and right single pieces.

[0011] Optionally, the rotating piece is rolled into a cylinder and its end is attached to the edge of the left single piece, and the convex edge is rolled into a cylinder and a gap is left near the right single piece.

[0012] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all of the following advantages at the same time:

[0013] 1. This simple shaftless hinge is made by inserting the left single piece into the right single piece until the opening of the left single piece and the protrusion of the right single piece are aligned. Rotating the left and right pieces forms a hinge. It is easy to install and disassemble. There is no front or back, and it can rotate 360 ​​degrees without dead angles, making it more flexible.

[0014] 2. This simple shaftless hinge is made by stamping metal sheets into blanks, which are then rolled and inserted at the corresponding edges. The entire hinge consists of only two metal sheets. The shaftless design optimizes and simplifies the production process, saves materials, reduces labor time, is suitable for mass production, and has a lower cost.

[0015] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0016] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings:

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the left single piece of the structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the right single piece of the structure of this utility model;

[0020] Figure 4 This is a structural disassembly diagram of the present invention;

[0021] Figure 5 This is a structural installation diagram of the present utility model;

[0022] Figure 6 This is a top view of the structure of this utility model.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] Left single piece 1, square opening 101, rotating piece 201, right single piece 2, protruding edge 201, mounting hole 3.

[0025] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings.

[0027] Please see Figure 1-4 As shown, this embodiment provides a simple shaftless hinge structure, including a left single piece 1 and a right single piece 2. The left single piece 1 has a square opening 101 through it near the right side. A rotating piece 102 is provided on the right side of the square opening 101. A protruding edge 201 is provided on the left side of the right single piece 2. The rotating piece 102 and the protruding edge 201 are rolled into a cylinder by rolling.

[0028] like Figure 2 , 3 As shown, in this embodiment, the left single piece 1 and the right single piece 2 are both made of metal plates by stamping or cutting. The square opening 101 and the protruding edge 201 are both symmetrical on the corresponding single pieces. The rotating piece 102 and the protruding edge 201 are rolled into a circle. Finally, the left single piece 1 is inserted into the right single piece 2 until the opening of the left single piece 1 and the protrusion of the right single piece 2 coincide. Rotating the left and right pieces forms a hinge.

[0029] like Figure 2 , 3 As shown, in this embodiment, the distance from the rightmost side of the square opening 101 to the rightmost side of the left single piece 1, i.e. the width of the rotating piece 102, is set to A. Based on the material thickness, the length required to roll into the minimum cylinder is d. After the rotating piece 102 is rolled into a cylinder, the outer diameter is d, so d = A / π. The convex edge 201 is made by cutting the left side of the complete right single piece 2. Note that its position is symmetrical to the square opening 101, and the length of the convex edge 201 is less than the length of the square opening 101 to facilitate subsequent insertion and splicing. The width of the convex edge 201 is B. The convex edge 201 also needs to be rolled into a cylinder with an inner diameter of r. It must be ensured that r > d so that the convex edge 201 can wrap the cylinder rolled into the rotating piece 102.

[0030] like Figure 4 As shown, in this embodiment, the protruding edge 201 and the rotating piece 102 are rolled into a cylinder. The closer the inner diameter r of the protruding edge 201 and the outer diameter d of the rotating piece 102 are, the tighter the finished hinge will be. The gap can be adjusted according to actual needs.

[0031] like Figure 4 As shown, in this embodiment, the left single piece 1 and the right single piece 2 are two rolled hinges. One side of the left single piece 1 is the shaft of the smallest circle rolled by the rotating piece 102, and the other side of the right single piece 2 is the large shaft rolled by the convex edge 201. Its inner diameter is the outer diameter of the smallest circle shaft, but the interface of the large shaft cannot be connected and a gap must be left, which is generally about 1.2 times the thickness of the material, so that the small circle shaft can be inserted. After it is inserted, the protruding part of the large circle shaft is aligned with the square opening 101 of the small circle, and the two pieces are rotated to form a hinge.

[0032] like Figure 1As shown, the mounting holes 3 on the left single piece 1 and the right single piece 2 in this embodiment are used to pass through the mounting screws to install the hinge at the contact point of the rotating body.

[0033] Example 1:

[0034] In this embodiment, a metal plate is stamped or cut to form a left single piece 1 and a right single piece 2. A mold is used to cut out a square opening 101, a protruding edge 201, and a corresponding mounting hole 3. Both are aligned vertically. The rotating piece 102 and the protruding edge 201 are rolled into a cylinder. Finally, the center lines of the cylindrical rotating piece 102 and the cylindrical protruding edge 201 are aligned. The rotating piece 102, carrying the left single piece 1, is inserted into the protruding edge 201, i.e., the right single piece 2, from above until the two are flush. The protruding edge 201 is aligned with the square opening 101 and overlaps. Rotating the left and right pieces forms a hinge. The finished hinge is fixed to the rotating body by passing through the mounting hole and the fixing screw.

[0035] Example 2:

[0036] In this embodiment, when the convex edge 201 and the rotating piece 102 are rolled into a cylinder according to different material thicknesses, the closer the inner diameter r of the convex edge 201 and the outer diameter d of the rotating piece are, the tighter the finished hinge will be. The gap can be adjusted according to actual needs to ensure the precision of both.

[0037] This utility model is not limited to the above-described embodiments. Anyone should know that structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model. Technical aspects, shapes, and structures not described in detail in this utility model are all publicly known technologies.

Claims

1. A simple shaftless hinge structure, characterized in that, include: The left single piece (1) and the right single piece (2) are provided. The left single piece (1) has a square opening (101) through it near the right side. A rotating piece (102) is provided on the right side of the square opening (101). A protruding edge (201) is provided on the left side of the right single piece (2). The rotating piece (102) and the protruding edge (201) are rolled into a cylinder by rolling.

2. The simplified shaftless hinge structure according to claim 1, characterized in that, The dimensions of the left single piece (1) corresponding to the square opening (101) and the rotating piece (102) are related to each other, and the dimensions of the right single piece (2) corresponding to the convex edge (201) are related to each other.

3. The simplified shaftless hinge structure according to claim 1, characterized in that, Mounting holes (3) are provided through the surfaces of the left single piece (1) and the right single piece (2).

4. The simplified shaftless hinge structure according to claim 1, characterized in that, The rotating piece is rolled into a cylinder and its end is attached to the edge of the left single piece (1). The convex edge (201) is rolled into a cylinder and a gap needs to be left near the right single piece (2).

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