A hinge structure with stable connection

Abstract

The utility model discloses a hinge structure with stable connection, which relates to the technical field of hinges, including a connecting arm and a hinge cup, the connecting arm being connected with a mounting seat by bolts, the mounting seat being used to be mounted on a hinged body, axle rod one and axle rod two being mounted on one end of the connecting arm, and a U-shaped rod being mounted on the hinge cup; an external connecting arm is rotatably mounted on the axle rod one; the other end of the external connecting arm is rotatably connected to a rod arm at one end of the U-shaped rod, an internal connecting arm is rotatably mounted on the axle rod two, and the other end of the internal connecting arm is rotatably connected to a rod arm at the other end of the U-shaped rod, a hinge torsion spring is sleeved on the outer periphery of the axle rod one, one end of the hinge torsion spring is abutted against the connecting arm, and the other end of the hinge torsion spring is connected to the internal connecting arm; a damper is mounted in the hinge cup; the utility model improves the stability of the connection between the connecting arm and the mounting seat by arranging a reinforcing pad, and can effectively control the production cost and improve the service life of the hinge.

Description

Technical Field

[0001] The utility model relates to the technical field of hinges, in particular to a hinge structure with stable connection. Background Art

[0002] A hinge is a common component used to connect two objects so that they can rotate relative to each other. Generally speaking, this type of hinge consists of a cup-shaped component (hinge cup) mounted on the door and a hinge body mounted on the cup-shaped component via a folded connecting rod component (or arm component). The hinge body is mounted on the inner wall surface of a frame for storing objects such as furniture, and the connecting rod component is embedded in the cup-shaped component when the door is closed.

[0003] Traditional hinges have no buffering force when opening or closing, which can easily damage the connection between the cabinet door and the cabinet. Later, a method of adding a hydraulic cylinder to the hinge was designed to give the hinge a preliminary buffering force. This is called a one-stage force connection structure. The disadvantage of the one-stage force connection structure is that when the cabinet door is opened to the end, it will swing back many times, and long-term use can also easily damage the connection between the cabinet door and the cabinet.

[0004] In the production process of the hinge, the thickness of the connecting arm cannot be too thick because of the need to control costs, which results in a smaller connection contact area between the connecting arm and the mounting seat, resulting in poor connection stability. The hinge is easily damaged during use, affecting its service life. Utility Model Content

[0005] The utility model aims to provide a hinge structure with stable connection, so as to solve the technical problem that the connection stability is poor due to the small connection contact area between the connection arm and the mounting seat.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A hinge structure with stable connection comprises a connecting arm and a hinge cup, wherein the connecting arm is connected to a mounting seat by bolts, and the mounting seat is used to be installed on a hinge body, one end of the connecting arm is mounted with shaft rod one and shaft rod two, and a U-shaped rod is mounted on the hinge cup; an external connecting arm is rotatably mounted on the shaft rod one; the other end of the external connecting arm is rotatably connected to a rod arm at one end of the U-shaped rod, an internal connecting arm is rotatably mounted on the shaft rod two, and the other end of the internal connecting arm is rotatably connected to a rod arm at the other end of the U-shaped rod, a hinge torsion spring is sleeved on the outer periphery of the shaft rod one, one end of the hinge torsion spring is abutted against the connecting arm, and the other end of the hinge torsion spring is connected to the internal connecting arm; a damper is mounted in the hinge cup.

[0008] As a further solution of the utility model: the connecting arm is provided with a bolt hole for installing a bolt and a waist adjustment hole.

[0009] As a further solution of the utility model: a reinforcing pad is arranged on the inner side of the connecting arm at the bolt hole and the adjusting waist hole.

[0010] As a further solution of the utility model: the mounting seat includes a connecting protrusion connected to the connecting arm, and both sides of the lower end of the connecting protrusion are fixedly connected to a mounting base, and the mounting base is provided with a base waist hole and a base countersunk hole.

[0011] As a further solution of the utility model: the connecting protrusion is provided with a threaded hole and an open waist hole matching with the bolt hole and the adjusting waist hole, and the side wall of the connecting protrusion is provided with a limiting groove.

[0012] As a further solution of the utility model: the hinge cup includes a cup seat, the cup seat is provided with a cup groove for installing a damper, the upper end of the cup seat is provided with a mounting plate, the mounting plate is provided with a mounting hole, and the side wall of the cup seat is provided with an avoidance groove for avoiding the inner connecting arm.

[0013] As a further solution of the utility model: the damper includes a damping base and a sliding sleeve, the damping base is fixedly provided with a guide sleeve, the sliding sleeve is slidably connected to the guide sleeve, a damping piston is provided in the sliding sleeve, and the piston rod of the damping piston is connected to the guide sleeve.

[0014] As a further solution of the utility model: a connecting inclined plate is arranged on the damping base, and the connecting inclined plate is provided with two groups respectively located on both sides of the guide sleeve, and limiting convex plates are evenly arranged on the connecting inclined plates.

[0015] Beneficial effects of the utility model:

[0016] The connection stability between the connecting arm and the mounting seat is ensured by setting the bolt hole and the adjusting waist hole, and the setting of the adjusting waist hole can effectively avoid processing errors, thereby improving the connection adaptability between the connecting arm and the mounting seat.

[0017] The connecting arm and the mounting seat need to be fixedly connected by bolts. The bolts pass through the bolt holes and the adjustment waist holes to thread and lock the connecting arm and the mounting seat. Since the hinge needs to control costs, the thickness of the connecting arm cannot be too thick. Therefore, a reinforcing pad is provided to improve the stability of the connection between the connecting arm and the mounting seat. At the same time, it can effectively control production costs and increase the service life of the hinge.

[0018] The guide sleeve guides and limits the sliding of the sliding sleeve, thereby orienting the installation of the damping piston. The setting of the damper acts as a damping limiter for the hinge, which can effectively ensure that the hinge remains stable in the unfolded and retracted states. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the structure of the hinge of the utility model when it is unfolded;

[0021] Figure 2 This is a schematic diagram of the structure of the hinge contraction of the utility model;

[0022] Figure 3 It is a cross-sectional structural schematic diagram of the unfolded hinge of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the connecting arm of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the mounting seat of the utility model;

[0025] Figure 6 It is a structural schematic diagram of the hinge cup of the utility model;

[0026] Figure 7 It is a structural schematic diagram of the damper of the utility model.

[0027] In the figure: 1. connecting arm; 101. bolt hole; 102. adjusting waist hole; 103. reinforcing pad; 2. mounting seat; 21. mounting base; 22. base waist hole; 23. base countersunk hole; 24. connecting protrusion; 25. opening waist hole; 26. threaded hole; 27. limiting groove; 3. shaft rod one; 4. shaft rod two; 5. external connecting arm; 6. internal connecting arm; 7. hinge torsion spring; 8. hinge cup; 81. cup seat; 82. mounting plate; 83. mounting hole; 84. cup groove; 85. avoidance groove; 9. damper; 91. damping base; 92. guide sleeve; 93. connecting inclined plate; 94. limiting convex plate; 95. sliding sleeve; 96. damping piston; 10. bolt; 11. U-shaped rod. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 7As shown, the utility model is a hinge structure with stable connection, including a connecting arm 1 and a hinge cup 8, the connecting arm 1 is connected to a mounting seat 2 by a bolt 10, the mounting seat 2 is used to be installed on a hinged body, one end of the connecting arm 1 is installed with an axle rod 1 3 and an axle rod 2 4, a U-shaped rod 11 is installed on the hinge cup 8; an external connecting arm 5 is rotatably installed on the axle rod 1 3; the other end of the external connecting arm 5 is rotatably connected to one end arm of the U-shaped rod 11, an internal connecting arm 6 is rotatably installed on the axle rod 2 4, the other end of the internal connecting arm 6 is rotatably connected to the other end arm of the U-shaped rod 11, a hinge torsion spring 7 is sleeved on the outer periphery of the axle rod 1 3, one end of the hinge torsion spring 7 is abutted against the connecting arm 1, and the other end of the hinge torsion spring 7 is connected to the internal connecting arm 6; a damper 9 is installed in the hinge cup 8.

[0030] The connecting arm 1 is provided with a bolt hole 101 and an adjustment waist hole 102 for installing the bolt 10. The bolt hole 101 and the adjustment waist hole 102 are provided to ensure the connection stability between the connecting arm 1 and the mounting seat 2, and the setting of the adjustment waist hole 102 can effectively avoid processing errors, thereby improving the connection adaptability between the connecting arm 1 and the mounting seat 2.

[0031] A reinforcing pad 103 is provided on the inner side of the connecting arm 1 at the bolt hole 101 and the adjusting waist hole 102. Since the connecting arm 1 and the mounting seat 2 need to be fixedly connected by bolts 10, the bolts 10 pass through the bolt holes 101 and the adjusting waist holes 102 to thread-lock the connecting arm 1 and the mounting seat 2. Since the hinge needs to control costs, the thickness of the connecting arm 1 cannot be too thick. Therefore, the reinforcing pad 103 is provided to improve the stability of the connection between the connecting arm 1 and the mounting seat 2, and at the same time, the production cost can be effectively controlled.

[0032] The mounting seat 2 includes a connecting protrusion 24 connected to the connecting arm 1, and both sides of the lower end of the connecting protrusion 24 are fixedly connected to a mounting base 21. The mounting base 21 is provided with a base waist hole 22 and a base countersunk hole 23. The setting of the connecting protrusion 24 facilitates the mounting seat 2 to be plugged into the connecting arm 1, thereby increasing the connection area between the connecting arm 1 and the mounting seat 2, thereby improving the connection stability between the two. The setting of the base waist hole 22 and the base countersunk hole 23 facilitates the mounting seat 2 to be fixedly installed on the hinge.

[0033] The connecting protrusion 24 is provided with a threaded hole 26 and an open waist hole 25 that match the bolt hole 101 and the adjustment waist hole 102. The side wall of the connecting protrusion 24 is provided with a limiting groove 27. The setting of the threaded hole 26 and the open waist hole 25 facilitates the installation connection between the connecting arm 1 and the mounting seat 2. The setting of the limiting groove 27 can limit the installation of the mounting seat 2 and ensure the accuracy of the installation position.

[0034] The hinge cup 8 includes a cup seat 81, on which a cup groove 84 for mounting a damper 9 is provided. A mounting plate 82 is provided at the upper end of the cup seat 81, on which a mounting hole 83 is provided. The side wall of the cup seat 81 is provided with an avoidance groove 85 for avoiding the inner connecting arm 6.

[0035] The damper 9 includes a damping base 91 and a sliding sleeve 95 . A guide sleeve 92 is fixedly provided on the damping base 91 . The sliding sleeve 95 is slidably connected to the guide sleeve 92 . A damping piston 96 is provided in the sliding sleeve 95 . The piston rod of the damping piston 96 is connected to the guide sleeve 92 .

[0036] The damping base 91 is provided with connecting inclined plates 93 . The connecting inclined plates 93 are provided with two groups respectively located at two sides of the guide sleeve 92 . The connecting inclined plates 93 are evenly provided with limiting convex plates 94 .

[0037] The guide sleeve 92 guides and limits the sliding of the sliding sleeve 95, thereby orienting the installation of the damping piston 96. The setting of the damper 9 acts as a damping limiter for the hinge, which can effectively ensure that the hinge remains stable in the unfolded and retracted states.

[0038] The working principle of the utility model is as follows: the mounting seat 2 is fixedly mounted on one of the hinged parts by screws, the hinge cup 8 is fixedly mounted on the other set of hinged parts by screws, the connecting arm 1 is fixedly mounted on the mounting seat 2 by bolts 10, and the upper shaft rod 3 and the shaft rod 2 4 are installed on the connecting arm 1, the hinge cup 8 and the connecting arm 1 are connected by the outer arm 5 and the inner arm 6, and the hinge torsion spring 7 provides torque to the hinge connection.

[0039] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A hinge structure with stable connection, characterized in that: The hinge comprises a connecting arm (1) and a hinge cup (8), wherein the connecting arm (1) is connected to a mounting seat (2) via a bolt (10), and the mounting seat (2) is used to be mounted on a hinged body. A shaft rod (3) and a shaft rod (4) are mounted on one end of the connecting arm (1), and a U-shaped rod (11) is mounted on the hinge cup (8); an external connecting arm (5) is rotatably mounted on the shaft rod (3); the other end of the external connecting arm (5) is rotatably connected to a rod arm at one end of the U-shaped rod (11), an internal connecting arm (6) is rotatably mounted on the shaft rod (4), and the other end of the internal connecting arm (6) is rotatably connected to a rod arm at the other end of the U-shaped rod (11); a hinge torsion spring (7) is sleeved on the outer periphery of the shaft rod (3), one end of the hinge torsion spring (7) is against the connecting arm (1), and the other end of the hinge torsion spring (7) is connected to the internal connecting arm (6); and a damper (9) is mounted inside the hinge cup (8).

2. A hinge structure with stable connection according to claim 1, characterized in that: The connecting arm (1) is provided with a bolt hole (101) for installing a bolt (10) and an adjustment waist hole (102).

3. A hinge structure with stable connection according to claim 2, characterized in that: A reinforcement pad (103) is provided on the inner side of the connecting arm (1) at the bolt hole (101) and the adjustment waist hole (102).

4. The hinge structure with stable connection according to claim 2, characterized in that: The mounting seat (2) comprises a connecting protrusion (24) connected to the connecting arm (1), and both sides of the lower end of the connecting protrusion (24) are fixedly connected to a mounting base (21), and the mounting base (21) is provided with a base waist hole (22) and a base countersunk hole (23).

5. A hinge structure with stable connection according to claim 4, characterized in that: The connecting protrusion (24) is provided with a threaded hole (26) and an open waist hole (25) that match the bolt hole (101) and the adjusting waist hole (102), and a limiting groove (27) is provided on the side wall of the connecting protrusion (24).

6. The hinge structure with stable connection according to claim 1, characterized in that: The hinge cup (8) comprises a cup seat (81), the cup seat (81) being provided with a cup groove (84) for mounting a damper (9), a mounting plate (82) being provided at the upper end of the cup seat (81), a mounting hole (83) being provided on the mounting plate (82), and a side wall of the cup seat (81) being provided with an avoidance groove (85) for avoiding an inner connecting arm (6).

7. The hinge structure with stable connection according to claim 1, characterized in that: The damper (9) comprises a damping base (91) and a sliding sleeve (95); a guide sleeve (92) is fixedly arranged on the damping base (91); the sliding sleeve (95) is slidably connected to the guide sleeve (92); a damping piston (96) is arranged in the sliding sleeve (95); and a piston rod of the damping piston (96) is connected to the guide sleeve (92).

8. The hinge structure with stable connection according to claim 7, characterized in that: The damping base (91) is provided with a connecting inclined plate (93), and the connecting inclined plate (93) is provided with two groups respectively located on two sides of the guide sleeve (92), and the connecting inclined plate (93) is evenly provided with limiting convex plates (94).

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