Stainless steel hinge
By incorporating bushings and stainless steel washers into the stainless steel hinges, the problem of hinge fit precision is solved, enabling smooth hinge rotation and stable connection, preventing door sagging, and improving the service life and functional stability of doors and windows.
Patent Information
- Application Number
- CN202520229270.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing stainless steel hinges suffer from internal hole size deviations during manufacturing, resulting in low fitting precision between the hinge and the shaft. This causes doors and windows to loosen and experience uneven stress during frequent opening and closing, leading to door sagging and affecting aesthetics and normal function.
A first bushing and a second bushing are provided at the top and bottom of the stainless steel shaft, and a stainless steel shim is provided on the hinge plate. By fitting the bushings onto the shaft surface, rotational flexibility is improved and stress is evenly distributed. The stainless steel shim also reduces friction.
It improves the smoothness of hinge rotation, reduces friction and wear, maintains a stable connection between the hinge and the shaft, prevents the door from sagging, and ensures the long-term stable condition of doors and windows.
Smart Images

Figure CN223608364U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to hinge technical field, concretely relates to a stainless steel hinge. BACKGROUND
[0002] In the field of building hardware, as a key component of movable connecting parts of doors and windows, the performance of stainless steel hinge plays a vital role in the normal use and service life of doors and windows.
[0003] The existing, due to the wear and tear of the die, uneven stress distribution in the stamping process and other factors when the hinge is manufactured by stamping, all will lead to the deviation of the inner hole size, and the roundness is also difficult to reach the ideal state, the inaccuracy of such inner hole directly affects the matching accuracy of the hinge and the shaft, and when the hinge is installed, the door is frequently opened and closed, due to the loose and uneven stress between the hinge and the shaft, the installation angle of the door will gradually change, the most common phenomenon is the door subsidence. The door subsidence not only affects the appearance and normal closing of the door, but also increases the friction between the door and the ground, further damages the bottom edge of the door and the ground material, and also may cause the misplacement of the door lock and other components, affecting its normal function. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a stainless steel hinge to solve the problems in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: a stainless steel hinge, comprising:
[0006] The first hinge piece is rotatably connected with the second hinge piece through a stainless steel rotating shaft, and the first hinge piece and the second hinge piece are arranged horizontally, the top and bottom of the stainless steel rotating shaft are provided with first shaft sleeves and second shaft sleeves, the first hinge piece and the second hinge piece are respectively sleeved on the surfaces of the first shaft sleeves and the second shaft sleeves, and the first shaft sleeves and the second shaft sleeves are rotatably sleeved on the surface of the stainless steel rotating shaft, so that the first hinge piece and the second hinge piece are more flexible and smooth when rotating.
[0007] Preferably, a stainless steel gasket is sleeved on the surface of the stainless steel rotating shaft and located at the rotating position of the first shaft sleeve and the second shaft sleeve.
[0008] Preferably, a sleeve is connected to one side of each of the first hinge piece and the second hinge piece, and a sleeve groove is arranged in the sleeve.
[0009] Preferably, the first hinge piece and the second hinge piece are respectively sleeved on the surfaces of the first shaft sleeve and the second shaft sleeve through the sleeve groove in the sleeve.
[0010] Preferably, a fixing cover for fixing the sleeve is inserted into the sleeve groove at the top of the first shaft sleeve and the bottom of the second shaft sleeve.
[0011] Preferably, the first hinge piece and the second hinge piece are both provided with a plurality of mounting holes.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] (1) the first shaft sleeve and the second shaft sleeve are arranged on the top and bottom of the stainless steel rotating shaft, and the first hinge piece and the second hinge piece are respectively sleeved on the surface of the shaft sleeve, so that the rotating effect is greatly improved; the shaft sleeve is machined together with the stainless steel hinge on an injection molding machine, has high dimensional accuracy, and is well matched with the gap of the stainless steel rotating shaft, so that the friction between the shaft and the shaft sleeve is greatly reduced when the hinge rotates, the rotating is more flexible and smooth, the shaft sleeve can uniformly disperse stress during the rotating of the hinge, the hinge and the shaft always maintain a good connection state, the door can maintain a stable installation angle during long-term use, and the phenomenon of door falling is avoided.
[0014] (2) the stainless steel gasket between the first shaft sleeve and the second shaft sleeve further optimizes the performance of the hinge; the stainless steel gasket has excellent wear resistance and a low friction coefficient, and can effectively reduce the friction between the shaft sleeve and the rotating shaft when the hinge rotates, and reduce the heat and wear generated by the friction of the components. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a structural schematic view of the utility model;
[0016] Fig. 2 It is an explosion view of the utility model;
[0017] Fig. 3 It is a front view of the utility model.
[0018] In the drawing: 1, first hinge piece; 2, second hinge piece; 3, stainless steel rotating shaft; 4, first shaft sleeve; 5, second shaft sleeve; 6, stainless steel gasket; 7, sleeve; 8, sleeve groove; 9, fixed cover; 10, mounting hole. DETAILED DESCRIPTION
[0019] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0020] The utility model provides a stainless steel hinge as shown in Figs. 1-3 The utility model discloses a stainless steel hinge, which comprises:
[0021] First hinge piece 1, the first hinge piece 1 is rotatably connected with second hinge piece 2 by stainless steel rotating shaft 3, and the first hinge piece 1 and the second hinge piece 2 are arranged horizontally, the top and bottom of the stainless steel rotating shaft 3 are respectively provided with first shaft sleeve 4 and second shaft sleeve 5, the first hinge piece 1 and the second hinge piece 2 are respectively sleeved on the surface of the first shaft sleeve 4 and the second shaft sleeve 5, the first shaft sleeve 4 and the second shaft sleeve 5 are rotatably sleeved on the surface of the stainless steel rotating shaft 3, so that the first hinge piece 1 and the second hinge piece 2 are more flexible and smooth when rotating.
[0022] The surface of the stainless steel rotating shaft 3 and the rotating position of the first shaft sleeve 4 and the second shaft sleeve 5 are sleeved with stainless steel gasket 6.
[0023] One side of the first hinge piece 1 and the second hinge piece 2 is connected with sleeve 7, and sleeve groove 8 is arranged in the sleeve 7.
[0024] The first hinge piece 1 and the second hinge piece 2 are respectively sleeved on the surface of the first shaft sleeve 4 and the second shaft sleeve 5 through the sleeve groove 8 in the sleeve 7.
[0025] The fixing cover 9 for fixing the sleeve 7 is inserted into the sleeve groove 8 of the first shaft sleeve 4 and the second shaft sleeve 5, the fixing cover 9 is tightly inserted into the sleeve groove 8 of the shaft sleeve and is fixed with the sleeve 7, so that the first hinge piece 1 and the second hinge piece 2 form a stable connection structure with the first shaft sleeve 4 and the second shaft sleeve 5.
[0026] A plurality of mounting holes 10 are arranged on the surface of the first hinge piece 1 and the second hinge piece 2, and the first hinge piece 1 and the second hinge piece 2 can be fixed on the corresponding position of the door and window and door frame through the screws penetrating the mounting holes 10.
[0027] During the installation of the door and window, the first hinge piece 1 and the second hinge piece 2 of the stainless steel hinge are first fixed on the corresponding position of the door and window and door frame through the mounting holes 10 on the surface thereof, at this time, the stainless steel rotating shaft 3 penetrates the first shaft sleeve 4 and the second shaft sleeve 5, the first hinge piece 1 and the second hinge piece 2 are tightly sleeved on the surface of the first shaft sleeve 4 and the second shaft sleeve 5 by means of the sleeve 7, and are fixed by the fixing cover 9, so as to ensure that the hinge parts are connected firmly.
[0028] When the door and window need to be opened and closed, external force acts on the door and window, the door and window drive the first shaft sleeve 4 and the second shaft sleeve 5 to rotate flexibly around the stainless steel rotating shaft 3, and due to the high-precision size of the shaft sleeve and the good gap fit, the hinge rotates smoothly, effectively reducing the rotating resistance, at the same time, the stainless steel gasket 6 at the rotating position of the shaft sleeve plays a role, the low friction coefficient characteristic thereof reduces the friction between the shaft sleeve and the rotating shaft, further guarantees the smooth rotation of the hinge, and reduces the wear of the parts.
[0029] During long-term use, the first shaft sleeve 4 and the second shaft sleeve 5 can evenly disperse the stress generated when the hinge rotates, maintain the stable matching relationship between the first hinge leaf 1 and the second hinge leaf 2 and the first shaft sleeve 4 and the second shaft sleeve 5, prevent the occurrence of the door falling phenomenon due to uneven stress, and ensure that the door and window always maintain a good use state.
[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A stainless steel hinge, characterized in that, include: The first hinge piece (1) is rotatably connected to the second hinge piece (2) via a stainless steel rotating shaft (3), and the first hinge piece (1) and the second hinge piece (2) are arranged horizontally. The stainless steel rotating shaft (3) is provided with a first bushing (4) and a second bushing (5) at the top and bottom. The first hinge piece (1) and the second hinge piece (2) are respectively fitted onto the surfaces of the first bushing (4) and the second bushing (5). By rotating the first bushing (4) and the second bushing (5) onto the surface of the stainless steel rotating shaft (3), the first hinge piece (1) and the second hinge piece (2) can rotate more flexibly and smoothly.
2. A stainless steel hinge according to claim 1, characterized in that: A stainless steel washer (6) is fitted on the surface of the stainless steel shaft (3) and at the rotation point of the first bushing (4) and the second bushing (5).
3. A stainless steel hinge according to claim 1, characterized in that: The first hinge piece (1) and the second hinge piece (2) are each connected to a sleeve (7) on one side, and the sleeve (7) is provided with a groove (8).
4. A stainless steel hinge according to claim 3, characterized in that: The first hinge piece (1) and the second hinge piece (2) are respectively fitted onto the surfaces of the first bushing (4) and the second bushing (5) through the groove (8) inside the sleeve (7).
5. A stainless steel hinge according to claim 3, characterized in that: A fixing cap (9) for fixing to the sleeve (7) is inserted into the groove (8) at the top of the first bushing (4) and the bottom of the second bushing (5).
6. A stainless steel hinge according to claim 1, characterized in that: The first hinge piece (1) and the second hinge piece (2) are each provided with a plurality of mounting holes (10).