Bearing aluminum door hinge

Abstract

The utility model discloses a bearing aluminum door hinge which comprises a base and a hinge and further comprises a base sleeve, a rotating shaft, a hinge sleeve and a pressure-bearing bearing. The base is provided with a base hole, and the hinge is provided with a hinge hole; the base sleeve is inserted into the base hole, a bearing seat is arranged at the end, facing the hinge, of the base sleeve, and the pressure-bearing bearing is embedded in the bearing seat. The hinge sleeve is inserted into the hinge hole, and the rotating shaft is inserted into the hinge sleeve and the base sleeve and rotates flexibly; the end face of the end, away from the base, of the pressure-bearing bearing makes contact with the hinge sleeve. The hinge sleeve and the rotating shaft are limited in the axial direction. According to the hinge, higher stability and supporting force can be provided for the door leaf; the pressure-bearing bearing is added to be matched with the base sleeve, the hinge sleeve and the rotating shaft, so that the door leaf can rotate more flexibly, and the service life is greatly prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of hardware building materials, in particular to a bearing aluminum door hinge. Background Art

[0002] During the installation of the door and door frame, door hinges are needed to connect the two so that the door leaf can be flexibly rotated and opened; traditional door hinges have a short lifespan, and their rotation flexibility deteriorates after a period of use. In addition, due to wear and deformation, friction increases, and abnormal rotation noises occur. In addition, due to deviations in the processing of the door leaf and door frame and deformation during installation, the door leaf needs to be adjusted to a certain extent to achieve perfect matching between the door leaf and door frame for better adaptation. Summary of the invention

[0003] The utility model aims to provide a bearing aluminum door hinge, which is intended to improve the support and rotation flexibility of the door hinge.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows:

[0005] A bearing aluminum door hinge comprises a base and a hinge, and also comprises a base sleeve, a rotating shaft, a hinge sleeve and a pressure bearing; the base is provided with a base hole, and the hinge is provided with a hinge hole; the base sleeve is inserted into the base hole, and a bearing seat is provided at the end facing the hinge, and the pressure bearing is embedded in the bearing seat; the hinge sleeve is inserted into the hinge hole, and the rotating shaft is inserted into the hinge sleeve and the base sleeve, and can rotate flexibly; the end face of the pressure bearing facing away from the base is in contact with the hinge sleeve; the hinge sleeve and the rotating shaft are axially limited.

[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: it also includes an adjusting screw, which is threadedly connected in the base hole, away from the end where the base sleeve is located, and the adjusting screw maintains contact with the base sleeve.

[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: it includes an adjusting screw, a threaded hole is provided on the rotating shaft, and an adjusting screw avoidance hole is provided on the hinge sleeve; the adjusting screw is screwed into the threaded hole, and both ends extend outward through the adjusting screw avoidance hole; limiting grooves are symmetrically provided in the hinge hole, and both ends of the adjusting screw are embedded in the limiting grooves; a toothed groove is provided in the hinge hole, and a toothed protrusion is provided on the outer peripheral surface of the hinge sleeve, and the toothed protrusion is engaged in the toothed groove.

[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: the bearing seat is eccentrically arranged.

[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: a plurality of positioning grooves are centrally symmetrically arranged on the inner circumference of the base hole, and a positioning ridge is arranged on the outer circumference of the base sleeve, and the positioning ridge is embedded in the positioning groove.

[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: a positioning threaded hole is provided on the hinge, a screw is screwed into the positioning threaded hole, and the screw partially penetrates into the hinge hole to axially limit the hinge sleeve.

[0011] On the basis of the above scheme and as a preferred scheme of the above scheme: a decorative cover is provided at one end of the base away from the hinge; and a decorative cover is provided on the outer side of the base and the hinge.

[0012] On the basis of the above scheme and as a preferred scheme of the above scheme: the base, the base sleeve, and the pressure bearing are symmetrically arranged at both ends of the hinge; the two ends of the rotating shaft extend and are respectively inserted into the pressure bearing and the base sleeve located on both sides.

[0013] On the basis of the above scheme and as a preferred scheme of the above scheme: it also includes a hinge retaining ring, which is located between the pressure bearing and the hinge sleeve; the two end surfaces of the hinge retaining ring are in contact with the pressure bearing and the hinge sleeve respectively.

[0014] On the basis of the above scheme and as a preferred scheme of the above scheme: a second limit slot is opened in the hinge hole, a second limit boss extends from the hinge retaining ring, and the second limit boss is inserted into the second limit slot.

[0015] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects: the application can provide stronger stability and support for the door leaf; the addition of the pressure bearing, combined with the base sleeve, hinge sleeve and rotating shaft, can make the door leaf rotate more flexibly and greatly extend its service life. In addition, an adjusting screw is arranged in the base hole. Since the base hole is provided with a thread, by rotating the adjusting screw, the adjusting screw can push the base sleeve upward along the base hole, thereby raising the door leaf, or the adjusting screw is moved downward, and the base sleeve is pressed downward under the weight of the door leaf, and continues to maintain contact with the adjusting screw, thereby realizing the downward movement of the door leaf, and then realizing the height adjustment of the door leaf. At the same time, the hinge can be adjusted horizontally by rotating the adjusting screw, thereby adjusting the left and right horizontal positions of the door leaf and the door frame; the bearing seat of the base sleeve is eccentrically arranged, so by rotating the base sleeve, the position of the rotating shaft will be changed through the eccentric action of the bearing seat, thereby realizing the front and rear position adjustment of the door leaf, and adjusting the sealing gap between the door leaf and the door frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall structure disassembly diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the hinge structure;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the overall structure of the utility model;

[0019] Figure 4 It is a top view of the overall structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the utility model after the decorative cover and the decorative hood are removed from the overall structure;

[0021] Figure 6 It is a right view of the overall structure of the utility model;

[0022] Figure 7 This is a schematic diagram of the adjusting screw installation structure;

[0023] Figure 8 yes Figure 7 Enlarged view of point A in the middle;

[0024] Fig. 9 This is a schematic diagram of the overall structure disassembly of the second embodiment;

[0025] Fig.10 It is a three-dimensional diagram of the overall structure of the second embodiment. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of this application clearer, the technical solution in the embodiment will be clearly and completely described below in conjunction with the drawings in the embodiment. Obviously, the described embodiment is only a part of the embodiment of this application, not all embodiments. Based on the given embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0027] In the description of the present application, it should be understood that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0028] In the description of this application, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0029] Embodiment 1

[0030] See Figure 1-8 As shown, the present application discloses a two-stage bearing aluminum door hinge, including a base 1 and a hinge 4, and also including a base sleeve 3, a rotating shaft 8, a hinge sleeve 9 and a pressure bearing 10; the base 1 is provided with a base hole 101, and the hinge 4 is provided with a hinge hole 41; the base sleeve 3 is inserted into the base hole 101, and a bearing seat 31 is provided at one end facing the hinge 4, and the pressure bearing 10 is embedded in the bearing seat 101; the hinge sleeve 9 is inserted into the hinge hole 41, and the rotating shaft 8 is inserted into the hinge The hinge sleeve 9 and the base sleeve 3 are in contact with the hinge sleeve 9; the end face of the pressure bearing 10 facing away from the base 1 is in contact with the hinge sleeve 9; the hinge sleeve 9 and the rotating shaft 8 are axially limited; specifically, a limiter 13 is also included; the hinge sleeve 9 and the rotating shaft 8 are respectively provided with a first limiter hole 91 and a second limiter hole 81, and the limiter 13 is inserted into the first limiter hole 91 and the second limiter hole 81 to limit the rotating shaft 8 axially in the hinge sleeve 9, and the limiter 13 is preferably a set screw. It should be noted that by adaptively selecting the length of the limiter 13, it can limit the hinge sleeve 9 of the rotating shaft while not exceeding the maximum diameter of the hinge sleeve 9 and being exposed outside the outer peripheral surface of the hinge sleeve 9, so that the rotating shaft and the hinge sleeve 9 can still be smoothly installed in the hinge hole after assembly. It is preferred that the hinge 1 and the hinge 4 are made of aluminum alloy, and the base sleeve 3 and the hinge sleeve 9 are made of nylon mixed with glass fiber PA+GF25%, which effectively ensures the strength of the base sleeve 3 and the hinge sleeve 9 and has the self-lubricating property of nylon.

[0031] Further preferably, it further comprises an adjusting screw 6, which is threadedly connected in the base hole 101, away from the end where the base sleeve 3 is located, and the adjusting screw 6 keeps contact with the base sleeve 3. The adjusting screw 6 is arranged in the base hole, and because the base hole 101 is provided with a thread, by rotating the adjusting screw 6, the adjusting screw 6 can push the base sleeve 3 upward along the base hole 101, thereby raising the door leaf, or the adjusting screw 6 moves downward, and the base sleeve 3 is pressed downward under the weight of the door leaf, and continues to keep contact with the adjusting screw 6, thereby realizing the downward movement of the door leaf, and then realizing the adjustment of the door leaf.

[0032] The hinge 4 is provided with a positioning threaded hole 44, a screw 12 is screwed into the positioning threaded hole 44, and the screw 12 partially penetrates into the hinge hole 41, and the hinge sleeve 9 is axially limited. The screw 12 penetrates into the hinge hole 41, and the opening size of the adjusting screw avoidance hole 91 on the hinge sleeve 9 and the position of the positioning threaded hole 44 are adjusted, so that the screw 12 penetrates into the adjusting screw avoidance hole 91, and the hinge sleeve 9 is axially limited, while the hinge sleeve 9 can still rotate around the axis of the hinge hole within a certain range. Preferably, the positioning threaded hole 44 is arranged at an angle, so that it is more convenient for installation, and other parts can be effectively avoided at the same time, and it is also easier to realize that the hinge sleeve 9 is axially limited, while the hinge sleeve 9 can still rotate around the axis of the hinge hole within a certain range. In addition, a positioning hole 43 is provided on the hinge 4, and the positioning screw 14 is screwed into the positioning hole 43, and the head contacts the hinge sleeve 9.

[0033] In addition, as a further preferred embodiment, see Figure 7-8 As shown, it includes an adjusting screw 13, a threaded hole 81 is provided on the rotating shaft 8, and an adjusting screw avoidance hole 91 is provided on the hinge sleeve 9; the adjusting screw 13 is screwed into the threaded hole 81, and both ends extend outward through the adjusting screw avoidance hole 91; limiting grooves 413 are symmetrically provided in the hinge hole 41, and both ends of the adjusting screw 13 are embedded in the limiting grooves 413; a tooth-shaped groove 411 is provided in the hinge hole, and a tooth-shaped protrusion 92 is provided on the outer peripheral surface of the hinge sleeve 9, and the tooth-shaped protrusion 92 is engaged in the tooth-shaped groove 411. The adjusting screw 13 is screwed into this threaded hole, and both ends of the adjusting screw are close to the bottom of the limiting groove 413 of the hinge hole, and then the adjusting screw 13 is axially limited by the limiting grooves 413 provided at both ends of the adjusting screw. It can be set that when the adjusting screw is rotated in the positive direction, the rotating shaft can be driven to move horizontally to the right (facing the right side). Figure 8 , Figure 8 The arrow corresponding to the right-hand direction in the figure points to the right). When the rotating shaft 8 moves to the right, it will push the hinge sleeve 9 to move to the right. However, due to the meshing effect of the toothed protrusion 92 and the toothed groove 411, the hinge sleeve 9 will rotate around the rotating shaft 8 ( Figure 8 At the same time, the toothed protrusion 92 pushes the toothed groove 411 (referring to the movement of the gear rack away, the toothed protrusion 92 is equivalent to the gear, and the toothed groove 411 is equivalent to the rack part), pushing the hinge to deviate to the left; on the contrary, when the adjusting screw 13 is rotated in the opposite direction, the hinge will be pushed to deviate to the right.

[0034] In addition, considering the adjustment of the sealing gap between the door leaf and the door frame, that is, realizing the forward and backward movement of the door leaf, the bearing seat 31 is preferably set eccentrically in this embodiment, so that by rotating the base sleeve, the position of the rotating shaft will be changed through the eccentric effect of the bearing seat, thereby realizing the forward and backward position adjustment of the door leaf and adjusting the sealing gap between the door leaf and the door frame. Considering that after adjusting the base sleeve, the door leaf needs to maintain the current position, that is, the base sleeve is kept in the current position, for this reason, in this embodiment, it is preferred that a plurality of positioning grooves 1011 are symmetrically arranged on the inner peripheral surface of the base hole 101, and a positioning convex ridge 32 is arranged on the outer peripheral surface of the base sleeve 3, and the positioning convex ridge 32 is embedded in the positioning groove 1011; then, after the base sleeve 3 is rotated by a certain angle, the base sleeve 3 is inserted into the base hole, so that the positioning convex ridge 32 is engaged with the positioning groove 1011, and the positioning of the base sleeve and the door leaf can be realized.

[0035] In order to cover the installed screws and improve their integrity and aesthetics, a decorative cover 7 is provided at one end of the base 1 away from the hinge 4; a decorative cover is provided on the outside of the base 1 and the hinge 4. Figure 1 As shown, a first decorative cover 2 is buckled on the base 1, and a second decorative cover 5 is buckled on the hinge 4. Correspondingly, a bayonet 102 and a semi-circular cylindrical surface are provided on the base 1. The first decorative cover 2 includes a stopper 21 and an arc portion 22. The stopper 21 is snapped into the bayonet 102, and the arc portion 22 is fastened on the cylindrical surface, thereby achieving the installation and fixation of the first decorative cover 2. Similarly, the second decorative cover 5 has the same structure and principle as the first decorative cover 2, and the installation method is also the same, which will not be repeated here. Preferably, the second decorative cover 5 and the first decorative cover 2 are made of aluminum alloy.

[0036] As a result, while achieving flexible rotation of the door leaf, the up and down height adjustment, left and right lateral adjustment, and front and back position adjustment of the door leaf are achieved, which improves the accuracy of door leaf installation and adjustment and improves the door leaf installation quality.

[0037] Embodiment 2

[0038] like Figure 9-10 As shown, this embodiment discloses a three-section bearing aluminum door hinge. On the basis of the first embodiment, the base 1, the base sleeve 3, and the pressure bearing 10 are symmetrically arranged at the two ends of the hinge 4; the rotating shaft 8 is extended so that its two ends are respectively inserted into the base sleeve 3 and the pressure bearing 10 at the two ends of the hinge. Thus, the structure of supporting the hinge 4 by the two bases 1 further improves the bearing capacity, supporting force and stability of the door hinge.

[0039] It also includes a hinge retaining ring 11, which is located between the pressure bearing 10 and the hinge sleeve 9; the two end faces of the hinge retaining ring 11 are in contact with the pressure bearing 10 and the hinge sleeve 9 respectively. The hinge and the base are effectively separated by the hinge retaining ring 11 to avoid friction between the hinge and the base during the rotation process. Improve the flexibility of rotation. Of course, in order to prevent the hinge retaining ring 11 from rotating freely, in this embodiment, a second limiting groove 412 is preferably provided in the hinge hole 41, and a second limiting boss 111 extends from the hinge retaining ring 11, and the second limiting boss 111 is inserted into the second limiting groove 412, thereby limiting the rotation of the hinge retaining ring 11. The hinge retaining ring 11 is preferably made of POM material.

[0040] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bearing aluminum door hinge, comprising a base (1) and a hinge (4), characterized in that: It also comprises a base sleeve (3), a rotating shaft (8), a hinge sleeve (9) and a pressure bearing (10); the base (1) is provided with a base hole (101), and the hinge (4) is provided with a hinge hole (41); the base sleeve (3) is inserted into the base hole (101), and a bearing seat (31) is provided at one end facing the hinge (4), and the pressure bearing (10) is embedded in the bearing seat (31); the hinge sleeve (9) is inserted into the hinge hole (41), and the rotating shaft (8) is inserted into the hinge sleeve (9) and the base sleeve (3), and can rotate flexibly; the end face of the pressure bearing (10) facing away from the base (1) contacts the hinge sleeve (9); the hinge sleeve (9) and the rotating shaft (8) are axially limited.

2. The bearing aluminum door hinge according to claim 1, characterized in that: It also includes an adjusting screw (6), which is threadedly connected in the base hole (101) and is away from the end where the base sleeve (3) is located, and the adjusting screw (6) maintains contact with the base sleeve (3).

3. The bearing aluminum door hinge according to claim 1, characterized in that: The invention comprises an adjusting screw (13), a threaded hole (81) is provided on the rotating shaft (8), and an adjusting screw avoidance hole (91) is provided on the hinge sleeve (9); the adjusting screw (13) is screwed into the threaded hole (81), and both ends extend outward through the adjusting screw avoidance hole (91); limiting grooves (413) are symmetrically provided in the hinge hole (41), and both ends of the adjusting screw (13) are embedded in the limiting grooves (413); a toothed groove (411) is provided in the hinge hole, and a toothed protrusion (92) is provided on the outer peripheral surface of the hinge sleeve (9), and the toothed protrusion (92) is engaged in the toothed groove (411).

4. The bearing aluminum door hinge according to claim 1, characterized in that: The bearing seat (31) is eccentrically arranged.

5. The bearing aluminum door hinge according to claim 4, characterized in that: The inner circumference of the base hole (101) is centrally symmetrically provided with a plurality of positioning grooves (1011), and the outer circumference of the base sleeve (3) is provided with positioning ridges (32), and the positioning ridges (32) are embedded in the positioning grooves (1011).

6. The bearing aluminum door hinge according to claim 1, characterized in that: The hinge (4) is provided with a positioning threaded hole (44), a screw (12) is screwed into the positioning threaded hole (44), and the screw (12) partially penetrates into the hinge hole (41), thereby limiting the axial position of the hinge sleeve (9).

7. A bearing aluminum door hinge according to any one of claims 1 to 6, characterized in that: A decorative cover (7) is provided at one end of the base (1) away from the hinge (4); and a decorative cover is provided on the outside of the base (1) and the hinge (4).

8. The bearing aluminum door hinge according to claim 7, characterized in that: The base (1), the base sleeve (3), and the pressure bearing (10) are symmetrically arranged at the two ends of the hinge (4); the two ends of the rotating shaft (8) extend and are respectively inserted into the pressure bearing (10) and the base sleeve (3) located on both sides.

9. The bearing aluminum door hinge according to claim 8, characterized in that: It also includes a hinge retaining ring (11), which is located between the pressure bearing (10) and the hinge sleeve (9); the two end surfaces of the hinge retaining ring (11) are in contact with the pressure bearing (10) and the hinge sleeve (9) respectively.

10. The bearing aluminum door hinge according to claim 9, characterized in that: A second limiting slot (412) is provided in the hinge hole (41), a second limiting boss (111) extends from the hinge retaining ring (11), and the second limiting boss (111) is inserted into the second limiting slot (412).

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