Upturning door supporting hinge

Abstract

An upturning door supporting hinge comprises a base, a connecting rod assembly, a spring assembly and an adjusting assembly, the connecting rod assembly and the adjusting assembly are fixed in the base, the outer end of the connecting rod assembly extends out of the base to be fixed to a cabinet door, and the inner end of the connecting rod assembly is in linkage connection with the spring assembly through the adjusting assembly to achieve an unfolding or folding state. The connecting rod assembly is made of metal sheets, the damping assembly is arranged in the base, when the connecting rod assembly is in the storage state, damping buffering is achieved, the size is thin, the damping sense of the buffering assembly is appropriate, the structure is simple, and performance is reliable.

Description

Technical Field

[0001] The utility model relates to the field of support hinges for flip-up cabinet doors, in particular to a support hinge for flip-up doors. Background Art

[0002] The flip-up cabinet doors and cabinet bodies on the market need to be installed with supporting hinges respectively to achieve the functions of flipping up to open and close. The spring is mainly responsible for providing elasticity to close and open the cabinet door to ensure the elasticity of the cabinet door. When the cabinet door is opened, a supporting force is provided to prevent the cabinet door from closing due to gravity. When the cabinet door is closed under the action of the spring, the supporting component is easily damaged during the activity, so a buffer component with a stable structure and appropriate damping is required.

[0003] The existing support hinges are too large, which will require additional consideration of the size and position of the support hinges in the design of the cabinet body and cabinet door. It is also easily affected when users store large objects. Therefore, the market needs a thin support hinge with a simple and stable buffer component.

[0004] After investigation, the patent number is CN202321617173.9, which discloses a cabinet door flip hinge, which includes a base, a connecting rod assembly installed in the base, the outer end of the connecting rod assembly extends out of the base and is connected to the cabinet door, and the inner end is linked to the spring assembly through an adjustment assembly, characterized in that: the adjustment assembly includes an adjustment rod, and an adjustment seat located at the bottom of the adjustment rod and hinged to it, an adjustment slot is set through the adjustment rod, and the sliding rod passes through the adjustment slot and is hinged to the mounting hole of the adjustment seat in turn, and the adjustment rod swings with the sliding rod as a fulcrum; the adjustment assembly also includes an adjustment screw, one end of the adjustment screw is screwed into the mounting plate of the adjustment seat, and the other end is installed at the outer port of the base, and the adjustment screw is rotated to drive the sliding rod to move in and out through the adjustment seat to adjust the position of the adjustment rod in the adjustment slot. However, its damping assembly has a complex structure and is not easy to install, and the product thickness is not described in detail. Installation in a small cabinet is likely to affect space utilization. Summary of the invention

[0005] The utility model mainly aims at the existing technical problems and proposes an upward flip door support hinge, which is not only thin in volume but also has a suitable damping feeling of a buffer component and a simple structure and reliable performance.

[0006] The technical solution of the utility model is: a support hinge for an upward flip door, comprising a base, a connecting rod assembly, a spring assembly, and an adjusting assembly. The connecting rod assembly and the adjusting assembly are fixed in the base, the outer end of the connecting rod assembly extends out of the base and is fixed to the cabinet door, and the inner end of the connecting rod assembly is linked to the spring assembly through the adjusting assembly to achieve an unfolded or stored state. The utility model is characterized in that the connecting rod assembly is made of metal sheets, and a damping assembly is provided in the base, and when the connecting rod assembly is in the stored state, damping buffering is achieved.

[0007] Further improvement: the connecting rod assembly includes a load-bearing arm assembly and a power arm assembly, the load-bearing arm assembly includes a first load-bearing arm and a second load-bearing arm, and the upper ends of the first load-bearing arm and the second load-bearing arm are rotatably fixed on the base.

[0008] Further improvement: the power arm assembly includes a forearm assembly, a rear arm assembly and a forearm connecting plate, the rear part of the forearm assembly can be rotatably fixed on the forearm connecting plate, and the rear part of the forearm connecting plate can be rotatably fixed on the rear arm assembly.

[0009] Further improvement: The lower end of the first load-bearing arm is rotatably fixed to the rear end of the forearm connecting plate and the front end of the rear arm assembly respectively, so as to realize load-bearing support in the unfolded state.

[0010] Further improvement: The lower end of the second load-bearing arm is rotatably fixedly connected to the rear end of the rear arm assembly and the front end of the rear arm connecting plate respectively, so as to realize load-bearing support in the unfolded state.

[0011] Further improvement: the adjustment assembly includes a rear arm connecting plate and a power arm assembly, and the rear arm connecting plate and the power arm assembly are rotatably fixedly connected.

[0012] Further improvement: an adjustment fixture is provided at the front lower end of the base, a first spring buckle is fixed on the adjustment fixture, and a second spring buckle is fixed at the connection between the rear arm connecting plate and the power arm assembly, and multiple springs are fixed between the first spring buckle and the second spring buckle to maintain the tension in the unfolded state.

[0013] Further improvement: The adjustment fixture comprises a fixing column, on the outer wall of which a U-shaped fixing buckle that can move left and right is fixed, and a clamping end is provided on the top of the U-shaped fixing buckle to cooperate with the fixing hole of the first spring buckle to achieve clamping fixation.

[0014] Further improvement: The damping assembly is a base with a damping rod fixed on the upper rear part, and a pressure plate assembly is rotatably arranged on the base. The front end of the pressure plate assembly is in contact with the rear arm connecting plate below, and the rear end of the pressure plate assembly is pressed on the movable end of the damping rod, thereby preventing the rear arm assembly from being damaged when it is stored.

[0015] Finally: the base is composed of two metal plates of the same size stacked together, a fixed hollow column is provided on one side of the first metal plate, and correspondingly, a fixed groove is provided at a corresponding position on the matching side of the second metal plate, and the connection is fixed by a connecting piece.

[0016] Compared with the existing technology, the advantages of this product are: the base, connecting rod assembly, and adjustment assembly are metal sheets, with a low overall thickness, a reasonable and thin structure, and the damping assembly helps the adjustment assembly to buffer the force during the closing process of the cabinet door, thereby preventing the rear arm assembly from being damaged when stored. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the utility model.

[0019] Figure 3 is a schematic diagram of the structure of the second metal plate,

[0020] Figure 4 This is a schematic diagram of the explosion structure of the utility model.

[0021] Figure 5 This is a schematic diagram of the installation of the utility model.

[0022] In the figure, 1, base, 2, connecting rod assembly, 3, spring assembly, 4, adjustment assembly, 5, damping assembly, 6, load-bearing arm assembly, 7, power arm assembly, 8, first load-bearing arm, 9, second load-bearing arm, 10, forearm assembly, 11, rear arm assembly, 12, forearm connecting plate, 13, rear arm connecting plate, 14, adjustment fixture, 15, first spring buckle, 16, second spring buckle, 17, spring, 18, fixing column, 19, U-shaped fixing buckle, 20, card end, 21, fixing hole, 22, pressure plate assembly, 23, first metal plate, 24, second metal plate, 25, fixed hollow column, 26, fixing groove, 27, damping rod. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation methods of the utility model patent in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the utility model patent, but cannot be used to limit the scope of the utility model patent. In the description of the utility model patent, unless otherwise specified, the meaning of "multiple" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model patent 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 cannot be understood as a limitation on the utility model patent. In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of this utility model patent, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this utility model patent can be understood according to specific circumstances.

[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0026] according to Figures 1 to 4 A flip door support hinge includes a base 1, a connecting rod assembly 2, a spring assembly 3, and an adjusting assembly 4. The connecting rod assembly 2 and the adjusting assembly 4 are fixed in the base 1. The outer end of the connecting rod assembly 2 extends out of the base 1 and is fixed to the cabinet door. The inner end of the connecting rod assembly 2 is linked to the spring assembly 3 through the adjusting assembly 4 to achieve an unfolded or stored state. The improvement is that the connecting rod assembly 2 is made of metal sheet, and a damping assembly 5 is provided in the base 1. When the connecting rod assembly 2 is in the stored state, it cooperates to achieve damping buffering.

[0027] The connecting rod assembly 2 includes a load-bearing arm assembly 6 and a power arm assembly 7. The load-bearing arm assembly 6 includes a first load-bearing arm 8 and a second load-bearing arm 9. The upper ends of the first load-bearing arm 8 and the second load-bearing arm 9 are rotatably fixed on the base 1. The power arm assembly 7 includes a forearm assembly 10, a rear arm assembly 11 and a forearm connecting plate 12. The rear part of the forearm assembly 10 is rotatably fixed on the forearm connecting plate 12, and the rear part of the forearm connecting plate 12 is rotatably fixed on the rear arm assembly 11, so as to realize the rotatable connection between the load-bearing arm assembly 6 and the power arm assembly 7.

[0028] The lower end of the first load-bearing arm 8 is rotatably fixed to the rear end of the front arm connecting plate 12 and the front end of the rear arm assembly 10, respectively, and the lower end of the second load-bearing arm 9 is rotatably fixedly connected to the rear end of the rear arm assembly 11 and the front end of the rear arm connecting plate 12, respectively, to achieve load-bearing support for the cabinet door in the unfolded state. The adjustment assembly 4 includes a rear arm connecting plate 13 and a power arm assembly 7, and the rear arm connecting plate 13 is rotatably fixedly connected to the power arm assembly 7, so that when switching between the unfolded and stored states, the connecting rod assembly and the adjustment assembly are linked to each other.

[0029] An adjustment fixture 14 is provided at the front lower end of the base 1, a first spring buckle 15 is fixed on the adjustment fixture 14, and a second spring buckle 16 is fixed at the connection between the rear arm connecting plate 13 and the power arm assembly 7, and multiple springs 17 are fixed between the first spring buckle 15 and the second spring buckle 16, so as to maintain the tension in the unfolded state, thereby reducing the force required by the user when unfolding and closing the cabinet door.

[0030] The adjustment fixture 14 includes a fixing column 18, on the outer wall of which a U-shaped fixing buckle 19 is fixed and can be appropriately moved left and right for adjustment. A clamping end 20 is provided on the top of the U-shaped fixing buckle 19 to cooperate with the fixing hole 21 of the first spring buckle 15 to achieve clamping fixation.

[0031] The damping assembly 5 is a base 1 with a damping rod 27 fixed to the upper rear portion, and a pressure plate assembly 22 is rotatably arranged on the base 1. The front end of the pressure plate assembly 22 is in contact with the rear arm connecting plate 13 below, and the rear end of the pressure plate assembly 22 is pressed on the movable end of the damping rod 27, thereby preventing the rear arm assembly 11 from being damaged when being stored.

[0032] The base 1 is composed of two metal plates of the same size stacked together. The inner side of the first metal plate 23 is provided with a fixed hollow column 25. Correspondingly, the second metal plate 24 is provided with a fixing groove 26 at the position of the corresponding inner side surface to match the size thereof, and is fixedly connected by a connecting piece.

[0033] When the user needs to fix the product on the cabinet and the cabinet door, he only needs to pass the screws through the fixed hollow column 25, fix the base on the inner wall of the cabinet, and then fix the forearm assembly and the cabinet door together with screws to complete the installation.

[0034] When the user unfolds the cabinet door, the front arm assembly 10 and the rear arm assembly 11 will translate toward the outward end, and drive the first load-bearing arm assembly 8 and the second load-bearing arm assembly 9 to rotate outward, the rear arm connecting plate 13 and the power arm assembly 7 will rotate outward due to mutual linkage, and the first spring buckle 15 and the second spring buckle 16 will be pulled open and maintain a certain force when they are linked with each other between the connecting rod assembly 2 and the adjustment assembly 4.

[0035] When the user closes the cabinet door, the front arm assembly 10 and the rear arm assembly 11 will translate toward the inner end, and drive the first load-bearing arm assembly 8 and the second load-bearing arm assembly 9 to rotate inward, the rear arm connecting plate 13 and the power arm assembly 7 will rotate inward due to mutual linkage, the first spring buckle 15 and the second spring buckle 16 will drive the connecting rod assembly 2 and the adjusting assembly 4 to be linked with each other, when the connecting rod assembly 2 is stored into the cabinet, the front end of the pressure plate assembly 22 on the base 1 will be in conflict with the rear arm connecting plate 13, and the rear end of the pressure plate assembly 22 will be pressed on the movable end of the damping rod 27, so as to achieve buffering and anti-collision, and prevent the rear arm assembly 11 from being damaged by impact.

Claims

1. A hinge for supporting an upwardly-opened door, comprising a base, a connecting rod assembly, a spring assembly, and an adjusting assembly, wherein the connecting rod assembly and the adjusting assembly are fixed inside the base, the outer end of the connecting rod assembly extends out of the base and is fixed to the cabinet door, and the inner end of the connecting rod assembly is linked to the spring assembly through the adjusting assembly to realize an unfolded or retracted state, characterized in that: The connecting rod assembly is made of metal sheets, and a damping assembly is arranged in the base. When the connecting rod assemblies are in the storage state, they cooperate to achieve damping and buffering.

2. The support hinge for an upward-flipping door according to claim 1, characterized in that The connecting rod assembly comprises a load-bearing arm assembly and a power arm assembly. The load-bearing arm assembly comprises a first load-bearing arm and a second load-bearing arm. The upper ends of the first load-bearing arm and the second load-bearing arm are rotatably fixed on the base.

3. The support hinge for an upward flip door according to claim 2, characterized in that The power arm assembly comprises a forearm assembly, a rear arm assembly and a forearm connecting plate. The rear part of the forearm assembly is rotatably fixed on the forearm connecting plate, and the rear part of the forearm connecting plate is rotatably fixed on the rear arm assembly.

4. The support hinge for an upward flip door according to claim 2, characterized in that The lower end of the first load-bearing arm is rotatably fixed to the rear end of the forearm connecting plate and the front end of the rear arm assembly respectively, so as to realize load-bearing support in the unfolded state.

5. The support hinge for an upward flip door according to claim 2, characterized in that The lower end of the second load-bearing arm is rotatably fixedly connected to the rear end of the rear arm assembly and the front end of the rear arm connecting plate respectively, so as to realize load-bearing support in the unfolded state.

6. The support hinge for an upward flip door according to claim 1, characterized in that The adjusting assembly comprises a rear arm connecting plate and a power arm assembly, and the rear arm connecting plate and the power arm assembly are rotatably fixedly connected.

7. The support hinge for an upward-flipping door according to claim 6, characterized in that An adjustment fixture is provided at the front lower end of the base, a first spring buckle is fixed on the adjustment fixture, and a second spring buckle is fixed at the connection between the rear arm connecting plate and the power arm assembly, and multiple springs are fixed between the first spring buckle and the second spring buckle to achieve maintaining tension in the unfolded state.

8. The support hinge for an upwardly-flipped door according to claim 7, characterized in that The adjustment fixture comprises a fixing column, on the outer wall of which a U-shaped fixing buckle which can move left and right is fixed, and a clamping end is provided on the top of the U-shaped fixing buckle to cooperate with the fixing hole of the first spring buckle to achieve clamping fixation.

9. The support hinge for an upward flip door according to claim 1, characterized in that The damping assembly is a damping rod fixed to the upper rear part of the base, and a pressure plate assembly is rotatably arranged on the base. The front end of the pressure plate assembly is in contact with the rear arm connecting plate below, and the rear end of the pressure plate assembly is pressed on the movable end of the damping rod.

10. The support hinge for an upward flip door according to claim 1, characterized in that The base is composed of two metal plates of the same size stacked together. A fixed hollow column is provided on one side of the first metal plate, and correspondingly, a fixed groove is provided at a corresponding position on the matching side of the second metal plate, which is fixedly connected by a connecting piece.

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