Bearing hinge with long service life

Abstract

The utility model discloses a long-life bearing hinge which comprises a hinge body, an electroplated layer is arranged on the surface of the hinge body, a corrosion-resistant layer is arranged on the electroplated layer, an anti-oxidation layer is arranged on the surface of the corrosion-resistant layer, and the corrosion-resistant performance of the hinge body is improved by arranging the corrosion-resistant layer on the hinge body. The hinge body is prevented from being exposed in the air for a long time and being affected by external factors to be corroded, the service life of the hinge is prolonged, the rotating shaft is installed in the first shaft sleeve and the second shaft sleeve through bearings to rotate, abrasion between the rotating shaft and the first shaft sleeve and between the rotating shaft and the second shaft sleeve is avoided, and the service life of the hinge is further prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge technical field, concretely relate to a long life bearing hinge. BACKGROUND

[0002] Hinge is used to connect two solids and allow the relative rotation between two, hinge can be formed by movable components, or by foldable material. The prior art with the publication number "CN215369301U" of "a stainless steel outdoor cabinet door hinge" records: including mounting plate A, cylinder, pivot A, pivot B and mounting plate B, pivot A and pivot B are both slidingly arranged in the inside of cylinder.

[0003] The above-mentioned prior art hinge is directly exposed to the air, affected by moisture, easy to be corroded, in addition, because the pivot responsible for rotation is in direct contact with the cylinder, friction rotation, will cause the wear of the pivot and the cylinder. UTILITY MODEL CONTENT

[0004] In order to solve the above-mentioned prior art in the deficiency, the utility model provides a long life bearing hinge.

[0005] In order to realize the above-mentioned technical effect, the utility model adopts the following scheme:

[0006] A long life bearing hinge, including hinge body, the surface of hinge body is provided with electroplating layer, corrosion resistant layer and antioxidant layer from inside to outside in turn, the hinge body includes pivot and first hinge plate and second hinge plate rotatingly installed on the pivot, the side edge of first hinge plate and second hinge plate is respectively provided with first shaft sleeve and second shaft sleeve rotating on the pivot, two bearings are fixedly arranged in first shaft sleeve and second shaft sleeve, first shaft sleeve and second shaft sleeve are rotatingly installed on the pivot through bearings, first hinge plate is provided with first magnetic attraction piece, second hinge plate is provided with second magnetic attraction piece matched with first magnetic attraction piece.

[0007] Preferably, a high-temperature-resistant layer is arranged between the corrosion-resistant layer and the antioxidant layer, and the high-temperature-resistant layer comprises one of an organic silicon layer, an inorganic coating layer, or a fireproof protective coating layer.

[0008] Preferably, the corrosion-resistant layer is a nano titanium organic corrosion-resistant coating layer.

[0009] Preferably, the surface of the antioxidant layer is provided with a wear-resistant layer, and the wear-resistant layer is an aluminum oxide coating layer.

[0010] Preferably, the antioxidant layer is an organic silicon high-temperature-resistant paint layer.

[0011] Compared with the prior art, the beneficial effects are:

[0012] The hinge body has the corrosion-resistant layer and the oxidation-resistant layer, so that the hinge body is prevented from being corroded by external factors when being exposed to air for a long time, and the practical life of the hinge is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model discloses a section schematic drawing.

[0014] Figure 2 The utility model discloses a hinge body surface coating structure schematic drawing.

[0015] The utility model discloses a section schematic drawing. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0017] A long-life bearing hinge, comprising a hinge body, the surface of the hinge body is provided with an electroplating layer 6, the electroplating layer 6 is a nickel plating layer, nickel has good corrosion resistance, the surface of the electroplating layer 6 is provided with a corrosion-resistant layer 4, the corrosion-resistant layer 4 further improves the corrosion resistance of the hinge body, prevents the hinge body from being corroded by external factors when being exposed to air for a long time, solves the problem of poor corrosion resistance of the hinge in the prior art, the surface of the corrosion-resistant layer 4 is provided with an oxidation-resistant layer 5, the corrosion-resistant layer 4 is a titanium nano organic anticorrosion coating, and the existing technology, for example, the description in a corrosion-resistant hinge with the patent number "CN212614241U" is adopted.

[0018] The hinge body comprises a rotating shaft 1, a first hinge plate 2 and a second hinge plate 3 rotatably installed on the rotating shaft 1, one side of the first hinge plate 2 is fixedly provided with a first shaft sleeve 9, the first shaft sleeve 9 is provided with a first shaft hole 10, one side of the second hinge plate 3 is correspondingly provided with a second shaft sleeve 11, the second shaft sleeve 11 is provided with a second shaft hole 12, the first shaft hole 10 and the second shaft hole 12 are coaxially arranged, the rotating shaft 1 penetrates through the first shaft hole 10 and the second shaft hole 12, the first shaft sleeve 9 and the second shaft sleeve 11 are rotatably connected with the rotating shaft 1 respectively, two bearings 13 are fixedly arranged in the first shaft hole 10 and the second shaft hole 12, the outer wall of the bearing 13 is fixedly connected with the first shaft hole 10 and the second shaft hole 12, the rotating shaft 1 penetrates through the bearing 13 and is fixedly connected with the inner wall of the bearing 13, a first magnetic attraction piece 14 is fixedly installed at the center of the first hinge plate 2, a second magnetic attraction piece 15 is correspondingly installed on the second hinge plate 3, the first magnetic attraction piece 14 and the second magnetic attraction piece 15 are arranged on the non-mounting surface of the first hinge plate 2 and the second hinge plate 3, when the hinge is closed, the first magnetic attraction piece 14 and the second magnetic attraction piece 15 are magnetically attracted to each other, in actual application, some door locks are damaged after long-term use, so that the door cannot be tightly closed, by using the hinge, the first hinge plate 2 and the second hinge plate 3 are attracted together when the door is closed, so that the door is tightly closed.

[0019] Preferably, the corrosion-resistant layer 4 is provided with a high-temperature-resistant layer 7 between the high-temperature-resistant layer 7 and the oxidation-resistant layer 5, the high-temperature-resistant layer 7 can protect the hinge body from deformation or cracking under high temperature conditions, and the high-temperature-resistant layer 7 comprises one of an organic silicon layer, an inorganic coating layer or a refractory protective coating layer.

[0020] Preferably, the surface of the oxidation-resistant layer 5 is provided with a wear-resistant layer 8, and the wear-resistant layer 8 is an aluminum oxide coating layer.

[0021] Preferably, the oxidation-resistant layer 5 is an organic silicon high-temperature paint layer.

[0022] In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0024] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

Claims

1. A long-life bearing hinge, comprising a hinge body, the surface of the hinge body being provided with, in sequence from inside to outside, an electroplating layer (6), a corrosion-resistant layer (4) and an anti-oxidation layer (5), the hinge body comprising a rotating shaft (1) and a first hinge plate (2) and a second hinge plate (3) rotatably mounted on the rotating shaft (1), characterized in that, The side edges of the first hinge plate (2) and the second hinge plate (3) are respectively provided with a first shaft sleeve (9) and a second shaft sleeve (11) sleeved on the rotating shaft (1), two bearings (13) are fixedly arranged in the first shaft sleeve (9) and the second shaft sleeve (11), and the first shaft sleeve (9) and the second shaft sleeve (11) are rotatably mounted on the rotating shaft (1) through the bearings, the first hinge plate (2) is provided with a first magnetic attraction member (14), and the second hinge plate (3) is provided with a second magnetic attraction member (15) matched with the first magnetic attraction member (14).

2. The long-life bearing hinge of claim 1, wherein, The high-temperature-resistant layer (7) is arranged between the corrosion-resistant layer (4) and the oxidation-resistant layer (5), and the high-temperature-resistant layer (7) comprises one of a silicone layer, an inorganic coating layer or a fireproof protective coating layer.

3. The long-life bearing hinge of claim 1, wherein, The corrosion-resistant layer (4) is a nano titanium organic corrosion-resistant coating layer.

4. The long-life bearing hinge of claim 1, wherein, The surface of the oxidation-resistant layer (5) is provided with a wear-resistant layer (8), and the wear-resistant layer (8) is an aluminum oxide coating layer.

5. The long-life bearing hinge of claim 1, wherein, The oxidation-resistant layer (5) is a silicone high-temperature-resistant paint layer.

Images