Hidden damping hinge

Abstract

The utility model relates to the technical field of damping hinges, in particular to a hidden damping hinge. The hinge assembly comprises a hinge; the first mounting arm and the second mounting arm are connected to the outer side of the hinge; the connecting rod is connected with the first mounting arm and the second mounting arm in a penetrating manner; the friction shaft sleeve is arranged at the top end of the connecting rod in a sleeving manner, and the friction shaft sleeve is in interference fit with the connecting rod; the second pin is arranged at the bottom end of the connecting rod; through the arrangement of the connecting rod, the second pin, the friction shaft sleeve, the gasket and the friction plate, constant riveting pressure can be provided, the constant riveting pressure enables the initial torque to be constant, the relative contact area of the friction shaft sleeve can be reduced along with the increase of the opening angle, and therefore the opening angle is increased. And the torque is relatively reduced, so that the opening hand feeling is enhanced.

Description

Technical Field

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

[0002] The damping hinge is a hydraulic damping hinge that uses the buffering properties of liquid and has an ideal buffering effect. The door starts to close slowly at 60 degrees, reducing the impact force and forming a comfortable damping hinge effect when closing.

[0003] The existing damping hinge consists of two mounting parts, two connecting arms, a shaft, a friction plate, a spring, a locking nut, and a plurality of small parts such as connecting rods and washers, and can mainly be easily adjusted for torque;

[0004] However, the adjustment force of the screw is low, and the production efficiency does not meet the high-efficiency standard. When in use, the change in the opening angle will result in a poor hand feel and certain problems with the usability. For this reason, we propose a hidden damping hinge. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the utility model provides a hidden damping hinge, which can provide a constant riveting pressure, and the constant riveting pressure causes the initial torque to be constant. As the opening angle increases, the relative contact area of ​​the friction sleeve will decrease, and the torque will be relatively reduced, which helps to enhance the opening feel.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a hidden damping hinge, comprising:

[0007] hinge;

[0008] A first mounting arm and a second mounting arm, wherein the first mounting arm and the second mounting arm are connected to the outer side of the hinge;

[0009] A connecting rod, the connecting rod penetrates and connects the first mounting arm and the second mounting arm;

[0010] A friction sleeve, wherein the friction sleeve is arranged at the top end of the connecting rod, and an interference fit is formed between the friction sleeve and the connecting rod;

[0011] A second pin, the second pin being disposed at the bottom end of the connecting rod;

[0012] The washer is sleeved on the outside of the second pin and connected to the second pin by riveting.

[0013] As a preferred technical solution of the utility model, a friction plate is tightly provided on the outer side of the connecting rod, and the friction plate is located between the first mounting arm and the second mounting arm.

[0014] As a preferred technical solution of the utility model, the washer has a riveted step.

[0015] As a preferred technical solution of the utility model, the outer diameters of the washer, the friction plate and the friction sleeve are the same.

[0016] As a preferred technical solution of the utility model, a third pin is connected through the connecting portion between the first mounting arm, the second mounting arm and the hinge.

[0017] As a preferred technical solution of the utility model, a first pin is connected through the connecting part of the first mounting arm, the second mounting arm and the hinge, and the number of the first pins is two.

[0018] As a preferred technical solution of the utility model, the first mounting arm and the second mounting arm are cross-complementarily arranged, and lubrication grooves are provided inside the first mounting arm and the second mounting arm.

[0019] As a preferred technical solution of the utility model, an inclined slide groove is provided on the top surface of the hinge, and the number of the inclined slide grooves is four.

[0020] As a preferred technical solution of the utility model, the hinge is provided with four connecting thread grooves in a through-type manner, and lubrication holes are provided inside the four connecting thread grooves.

[0021] As a preferred technical solution of the utility model, lubricating grease is provided inside the lubricating groove and the lubricating hole.

[0022] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0023] 1. The connecting rod, the second pin, the friction sleeve, the washer and the friction plate can provide a constant riveting pressure, and the constant riveting pressure leads to a constant initial torque. As the opening angle increases, the relative contact area of ​​the friction sleeve will decrease, and the torque will decrease relatively, which helps to enhance the opening feel;

[0024] 2. When using the device, the connecting rod, the second pin, the friction sleeve, the washer and the friction plate of the hidden damping hinge are riveted into shape by the first mounting arm, the second mounting arm, the second pin and the torque part of the connecting rod, and then connected with the third pin and the hinge, and finally the first pin is knocked in to complete the assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0026] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0027] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0028] Among them: 1. hinge; 2. connecting rod; 3. first pin; 4. second pin; 5. friction plate; 6. third pin; 7. friction sleeve; 8. washer; 9. inclined slide groove; 10. connecting thread groove; 11. first mounting arm; 12. second mounting arm. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0030] Embodiment 1:

[0031] like Figure 1-Figure 3 As shown, the hidden damping hinge includes 1. The hidden damping hinge is characterized by comprising:

[0032] Hinge 1;

[0033] A first mounting arm 11 and a second mounting arm 12, wherein the first mounting arm 11 and the second mounting arm 12 are connected to the outer side of the hinge 1;

[0034] A connecting rod 2, the connecting rod 2 penetrates and connects the first mounting arm 11 and the second mounting arm 12;

[0035] The friction sleeve 7 is arranged at the top of the connecting rod 2, and there is an interference fit between the friction sleeve 7 and the connecting rod 2;

[0036] A second pin 4, which is disposed at the bottom end of the connecting rod 2;

[0037] The washer 8 is sleeved on the outside of the second pin 4 and connected to the second pin 4 by riveting; a friction plate 5 is tightly provided on the outside of the connecting rod 2, and the friction plate 5 is located between the first mounting arm 11 and the second mounting arm 12; the washer 8 has a riveting step;

[0038] The damping hinge is a hydraulic damping hinge that uses the buffering properties of liquid and has an ideal buffering effect. The door starts to close slowly at 60 degrees, reducing the impact force and forming a comfortable damping hinge effect when closing.

[0039] The existing damping hinge consists of two mounting parts, two connecting arms, a shaft, a friction plate, a spring, a locking nut, and a plurality of small parts such as connecting rods and washers, and can mainly be easily adjusted for torque;

[0040] However, the adjustment force of the screw is low, and the production efficiency does not meet the high efficiency standard. When in use, due to the change in the opening angle, the hand feel will be poor, and there are also certain problems with the feel of use;

[0041] When using the device, the first mounting arm 11, the second mounting arm 12, the second pin 4, and the torque portion of the connecting rod 2 are riveted and formed, and then these are connected with the third pin 6 and the hinge 1, and finally the first pin 3 is knocked in, and the device can be combined and assembled;

[0042] It can provide a constant riveting pressure, and the constant riveting pressure leads to a constant initial torque. As the opening angle increases, the relative contact area of ​​the friction sleeve 7 will decrease, and the torque will be relatively reduced, which helps to enhance the opening feel.

[0043] In other embodiments, the present embodiment discloses, please Figure 1-Figure 3 As shown, the outer diameters of the washer 8, the friction plate 5 and the friction sleeve 7 are the same; through this design, the diameters of the various components arranged on the connecting rod 2 are the same, and the aesthetics are effectively guaranteed.

[0044] In other embodiments, the present embodiment discloses, please Figure 1-Figure 3 As shown, the connection between the first mounting arm 11, the second mounting arm 12 and the hinge 1 is penetrated by a third pin 6; the connection between the first mounting arm 11, the second mounting arm 12 and the hinge 1 is penetrated by a first pin 3, and the number of the first pins 3 is two; through this design, the number of connecting rods can be reduced, the assembly efficiency can be improved, and at the same time, the gasket can be eliminated, the matching clearance and this component can be reduced, and the assembly efficiency and load-bearing capacity can be improved.

[0045] In other embodiments, the present embodiment discloses, please Figure 1-Figure 3 As shown, the first mounting arm 11 and the second mounting arm 12 are cross-complementarily matched, and lubrication grooves are provided inside the first mounting arm 11 and the second mounting arm 12; this design can effectively improve the effective life of the first mounting arm 11 and the second mounting arm 12.

[0046] In other embodiments, the present embodiment discloses, please Figure 1-Figure 3 As shown, the top surface of the hinge 1 is provided with an inclined slide groove 9, and the number of the inclined slide grooves 9 is four; through this design, a slide groove track can be provided, and the inclined slide groove track can reduce the hinge height and enhance the universal range.

[0047] In other embodiments, the present embodiment discloses, please Figure 1-Figure 3As shown, the hinge 1 is provided with four connecting thread grooves 10 in a through-type manner, and lubrication holes are provided inside the four connecting thread grooves 10. Through this design, the hinge 1 has more connection points with other objects, and the installation is more stable.

[0048] In other embodiments, the present embodiment discloses, please Figure 1-Figure 3 As shown, lubricating grease is provided inside the lubricating groove and the lubricating hole; through this design, effective and durable lubricants can be added to the lubricating groove and the lubricating hole.

[0049] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. Hidden damping hinge, characterized in that: include: Hinge (1); A first mounting arm (11) and a second mounting arm (12), wherein the first mounting arm (11) and the second mounting arm (12) are connected to the outside of the hinge (1); A connecting rod (2), wherein the connecting rod (2) penetrates and connects the first mounting arm (11) and the second mounting arm (12); A friction sleeve (7), wherein the friction sleeve (7) is arranged at the top end of the connecting rod (2), and an interference fit is formed between the friction sleeve (7) and the connecting rod (2); A second pin (4), the second pin (4) being arranged at the bottom end of the connecting rod (2); A washer (8) is sleeved on the outside of the second pin (4) and is connected to the second pin (4) by riveting.

2. The hidden damping hinge according to claim 1, characterized in that: A friction plate (5) is tightly provided on the outer side of the connecting rod (2), and the friction plate (5) is located between the first mounting arm (11) and the second mounting arm (12).

3. The hidden damping hinge according to claim 1, characterized in that: The washer (8) is provided with a riveting step.

4. The hidden damping hinge according to claim 2, characterized in that: The outer diameters of the washer (8), the friction plate (5) and the friction sleeve (7) are the same.

5. The hidden damping hinge according to claim 1, characterized in that: A third pin (6) is connected through the connection between the first mounting arm (11), the second mounting arm (12) and the hinge (1).

6. The hidden damping hinge according to claim 1, characterized in that: A first pin (3) is connected through the connecting point between the first mounting arm (11), the second mounting arm (12) and the hinge (1), and the number of the first pins (3) is two.

7. The hidden damping hinge according to claim 1, characterized in that: The first mounting arm (11) and the second mounting arm (12) are arranged in a cross-complementary manner, and lubrication grooves are provided inside the first mounting arm (11) and the second mounting arm (12).

8. The hidden damping hinge according to claim 1, characterized in that: The top surface of the hinge (1) is provided with an inclined slide groove (9), and the number of the inclined slide grooves (9) is four.

9. The hidden damping hinge according to claim 7, characterized in that: The hinge (1) is provided with four connecting thread grooves (10) in a through-type manner, and lubrication holes are provided inside the four connecting thread grooves (10).

10. The hidden damping hinge according to claim 9, characterized in that: Lubricating grease is provided inside the lubricating groove and the lubricating hole.

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