Hidden damping hinge

Abstract

The utility model discloses a hidden damping hinge which comprises a hidden damping hinge shaft, two groups of connecting arm rods and two groups of lug plates, the two connecting arm rods are connected between the hidden damping hinge shaft and the lug plates, and the connecting arm rods are rotationally connected with the hidden damping hinge shaft. The connecting arm rod is fixedly connected with the lug plate, mounting holes are formed in the upper end and the lower end of the outer surface of one side of the lug plate, and a reinforcing assembly is mounted in the middle of the outer surface of one side of the lug plate. According to the hidden damping hinge, the reinforcing assemblies are arranged, after the lug plates are connected with the outside through the bolts, the reinforcing assemblies can eliminate looseness of the lug plates after the lug plates are connected through the bolts, the stability is improved, and the stability can be further improved through the anti-skid pads; and noise caused by contact between the movable column and an external frame during use is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hidden damping hinges, in particular to a hidden damping hinge. Background Art

[0002] Damping hinges, also known as hydraulic hinges, are generally used for cabinet door connections of various cabinet furniture such as wardrobes, bookcases, floor cabinets, TV cabinets, and cupboards. They are a hardware product that utilizes the buffering properties of liquids; while hidden damping hinges are hinges that are placed completely flush inside the door and door frame.

[0003] In the prior art, when installing hidden damping hinges, they are generally connected by bolts, but the hinges may become loose. Loose hinges are also a common type of fire door hinge failure. This failure may be caused by loose hinge screws. For this reason, we propose hidden damping hinges. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a hidden damping hinge, which can eliminate the looseness of the hidden damping hinge after installation, improve the stability of installation, etc., and can effectively solve the problems in the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a hidden damping hinge, including a hidden damping hinge shaft, a connecting arm and an ear plate, the number of the shrinkable connecting arm and the ear plate are two groups, the two connecting arms are connected between the hidden damping hinge shaft and the ear plate, the connecting arm and the hidden damping hinge shaft are rotatably connected, the connecting arm and the ear plate are fixedly connected, mounting holes are provided at the upper and lower ends of the outer surface of one side of the ear plate, a reinforcement component is installed in the middle of the outer surface of one side of the ear plate, the reinforcement component includes a sliding hole, a movable column, an anti-slip pad, a limit groove, a protective cover, a compression spring, a limit block and a guide rod, and the sliding hole is provided in the middle of the outer surface of one side of the ear plate.

[0008] Preferably, the movable column passes through the sliding hole, the protective cover is fixedly mounted on the outer surface of one side of the ear plate, the number of the limit blocks and compression springs in a group of the reinforcement components is two, and the compression springs and the limit blocks are both located inside the protective cover.

[0009] Preferably, the anti-slip pad is bonded to the outer surface of one end of the movable column, the limiting groove is opened on the outer surface of the other end of the movable column, one end of the guide rod extends into the limiting groove, and the outer surface of the other end of the guide rod is fixedly connected to the middle part of one end of the inner cavity of the protective cover.

[0010] Preferably, the two groups of limit blocks are fixedly installed on one end of the outer surfaces of both sides of the movable column, the two groups of compression springs are located on the left and right sides of the inner cavity of the protective cover, and the outer surface of one end of the compression spring is fixedly connected to the outer surface of one side of the limit block, and the outer surface of the other end of the compression spring is fixedly connected to one side of one end of the inner cavity of the protective cover.

[0011] Preferably, an outer surface of one side of the limit block is elastically connected to one end of the inner cavity of the protective cover through a compression spring.

[0012] Preferably, the movable column is slidably connected to the outer wall of the guide rod via a limiting groove, and the outer wall of the movable column is slidably connected to the sliding hole.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a hidden damping hinge, which has the following beneficial effects:

[0015] 1. The hidden damping hinge is provided with a reinforcement component. After the ear plate is connected to the outside through bolts, the reinforcement component can eliminate the looseness of the ear plate after being connected through bolts, thereby improving stability.

[0016] 2. The hidden damping hinge can further improve stability by providing an anti-skid pad, and avoid noise caused by contact between the movable column and the external frame during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the hidden damping hinge of the utility model.

[0018] Figure 2 It is the back view of the hidden damping hinge of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the middle ear plate of the hidden damping hinge of the utility model.

[0020] Figure 4 The utility model is a hidden damping hinge Figure 3 Top cross-sectional view of .

[0021] In the figure: 1. Hidden damping hinge shaft; 2. Connecting arm rod; 3. Ear plate; 4. Mounting hole; 5. Reinforcement component; 6. Sliding hole; 7. Movable column; 8. Anti-slip pad; 9. Limiting groove; 10. Protective cover; 11. Compression spring; 12. Limiting block; 13. Guide rod. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] This embodiment is a hidden damping hinge.

[0024] like Figure 1-4 As shown, it includes a hidden damping hinge shaft 1, a connecting arm rod 2 and an ear plate 3. The number of the retracted connecting arm rods 2 and the ear plates 3 are both two groups. The two connecting arms 2 are connected between the hidden damping hinge shaft 1 and the ear plate 3. The connecting arm rod 2 and the hidden damping hinge shaft 1 are rotationally connected, and the connecting arm rod 2 and the ear plate 3 are fixedly connected. Mounting holes 4 are provided at the upper and lower ends of the outer surface of one side of the ear plate 3. A reinforcement component 5 is installed in the middle of the outer surface of one side of the ear plate 3. The reinforcement component 5 includes a sliding hole 6, a movable column 7, an anti-slip pad 8, a limiting groove 9, a protective cover 10, a compression spring 11, a limiting block 12 and a guide rod 13. The sliding hole 6 is provided in the middle of the outer surface of one side of the ear plate 3.

[0025] The movable column 7 passes through the sliding hole 6, and the protective cover 10 is fixedly installed on the outer surface of one side of the ear plate 3. There are two groups of limit blocks 12 and compression springs 11 in a set of reinforcement components 5. The compression spring 11 and the limit blocks 12 are both located inside the protective cover 10; the anti-slip pad 8 is bonded to the outer surface of one end of the movable column 7, and the limit groove 9 is opened on the outer surface of the other end of the movable column 7. One end of the guide rod 13 extends into the limit groove 9, and the outer surface of the other end of the guide rod 13 is fixedly connected to the middle of one end of the inner cavity of the protective cover 10; the two groups of limit blocks 12 are fixedly installed Installed on one end of the outer surface of both sides of the movable column 7, two groups of compression springs 11 are located on the left and right sides of the inner cavity of the protective cover 10, and the outer surface of one end of the compression spring 11 is fixedly connected to the outer surface of one side of the limit block 12, and the outer surface of the other end of the compression spring 11 is fixedly connected to one side of one end of the inner cavity of the protective cover 10; the outer surface of one side of the limit block 12 is elastically connected to one end of the inner cavity of the protective cover 10 through the compression spring 11; the movable column 7 is slidably connected to the outer wall of the guide rod 13 through the limit groove 9, and the outer wall of the movable column 7 and the sliding hole 6 are slidably connected.

[0026] It should be noted that the utility model is a hidden damping hinge, and the hidden damping hinge shaft 1, connecting arm rod 2, ear plate 3 and mounting hole 4 recorded in the text belong to the prior art, which can be effectively known to the technicians in the relevant technical field, and the details are not repeated here; the reinforcement component 5 is set, after the ear plate 3 is connected to the external frame by bolts, the anti-skid pad 8 is in contact and squeezed with the frame to avoid friction noise generated after the movable column 7 contacts with the frame, and the anti-skid pad 8 can improve the stability of the ear plate 3 after being installed by bolts, the anti-skid pad 8 is squeezed to drive the movable column 7 to slide along the sliding hole 6, and the movable column 7 drives the limit block 12 to squeeze the compression spring 11 inside the protective cover 10, when the ear plate 3 is connected to the external frame by bolts, the anti-skid pad 8 and the compression spring 11 are both in a compressed state, which can eliminate the looseness after the bolt connection and improve the stability of the ear plate 3 after installation.

[0027] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A hidden damping hinge, comprising a hidden damping hinge shaft (1), a connecting arm (2) and an ear plate (3), wherein the number of the shrinkable connecting arm (2) and the ear plate (3) is two sets, the two connecting arms (2) are connected between the hidden damping hinge shaft (1) and the ear plate (3), the connecting arm (2) and the hidden damping hinge shaft (1) are rotatably connected, the connecting arm (2) and the ear plate (3) are fixedly connected, and the upper and lower ends of the outer surface of one side of the ear plate (3) are provided with mounting holes (4), characterized in that: A reinforcement component (5) is installed in the middle of the outer surface of one side of the ear plate (3), and the reinforcement component (5) comprises a sliding hole (6), a movable column (7), an anti-slip pad (8), a limiting groove (9), a protective cover (10), a compression spring (11), a limiting block (12) and a guide rod (13), and the sliding hole (6) is opened in the middle of the outer surface of one side of the ear plate (3).

2. The hidden damping hinge according to claim 1, characterized in that: The movable column (7) passes through the sliding hole (6), and the protective cover (10) is fixedly mounted on the outer surface of one side of the ear plate (3). The number of the limit blocks (12) and the compression springs (11) in a group of the reinforcement components (5) is two, and the compression springs (11) and the limit blocks (12) are both located inside the protective cover (10).

3. The hidden damping hinge according to claim 2, characterized in that: The anti-slip pad (8) is bonded to the outer surface of one end of the movable column (7), the limiting groove (9) is opened on the outer surface of the other end of the movable column (7), one end of the guide rod (13) extends into the limiting groove (9), and the outer surface of the other end of the guide rod (13) is fixedly connected to the middle part of one end of the inner cavity of the protective cover (10).

4. The hidden damping hinge according to claim 3, characterized in that: The two groups of limit blocks (12) are fixedly mounted on one end of the outer surfaces of both sides of the movable column (7), and the two groups of compression springs (11) are located on the left and right sides of the inner cavity of the protective cover (10), and the outer surface of one end of the compression spring (11) is fixedly connected to the outer surface of one side of the limit block (12), and the outer surface of the other end of the compression spring (11) is fixedly connected to one side of one end of the inner cavity of the protective cover (10).

5. The hidden damping hinge according to claim 4, characterized in that: One side outer surface of the limit block (12) is elastically connected to one end of the inner cavity of the protective cover (10) via a compression spring (11).

6. The hidden damping hinge according to claim 5, characterized in that: The movable column (7) is slidably connected to the outer wall of the guide rod (13) via a limiting groove (9), and the outer wall of the movable column (7) is slidably connected to the sliding hole (6).

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