Speed-adjustable hinge structure

Abstract

The utility model discloses a hinge structure with adjustable speed, which relates to the technical field of hinges, and comprises an adjusting mechanism, a rotating mechanism is arranged in the adjusting mechanism, a speed adjusting mechanism is arranged in the rotating mechanism, the speed adjusting mechanism comprises a second connecting rod, one end of the second connecting rod is provided with a hook, and the other end of the second connecting rod is provided with a connecting rod. An oil cylinder sleeve is in lap joint with the inner wall of the hook, and an oil cylinder is arranged in the oil cylinder sleeve. According to the utility model, through the arrangement of the adjusting mechanism, when the rotating speed of the hinge needs to be adjusted, different surfaces of the adjusting block can be contacted with the end part of the oil cylinder by rotating the adjusting knob, so that the initial compression degree of the oil cylinder is adjusted, and the resistance applied to the opening and closing of the hinge by the oil cylinder is changed when the hinge is opened and closed; the larger the initial compression degree is, the larger the resistance applied by the oil cylinder during hinge opening and closing is, and the slower the rotating speed is, otherwise, the smaller the initial compression degree is, the higher the hinge opening and closing speed is, and the hinge is adjustable in multiple gears and more convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of hinge technology, specifically to an adjustable speed hinge structure. Background Technology

[0002] A hinge is a mechanical device used to connect two solid objects and allow them to rotate relative to each other. It has wide applications in daily life and industrial production, serving as a tool to connect two objects and enable them to rotate relative to each other. For example, after installing a hinge between a door and its frame, the door can rotate around the hinge's pivot pin, thus opening and closing the door. This rotational function requires the hinge to have a certain range of rotation angles. Common hinges typically have rotation angles between 90 and 180 degrees, but some special-purpose hinges can achieve larger angles, even 360 degrees, such as the rotary connection devices in some industrial equipment.

[0003] Currently, different usage scenarios and user habits require different door rotation speeds. For example, in places that require a quiet environment, such as bedrooms and libraries, it is desirable for doors to close slowly. On the other hand, automatic opening and closing devices for stage props and unique movement mechanisms for creative furniture require doors to be able to freely adjust their opening and closing speed as needed. However, existing hinges cannot adjust their rotation speed, and hinges with non-adjustable rotation speeds cannot meet these diverse needs, resulting in certain inconveniences in use. Utility Model Content

[0004] This invention provides an adjustable speed hinge structure to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] An adjustable hinge structure includes an adjustment mechanism, inside which is a rotating mechanism, and inside which is a speed regulating mechanism. The speed regulating mechanism includes a second connecting rod, one end of which is provided with a hook, the inner wall of which is fitted with a cylinder sleeve, the cylinder sleeve containing a cylinder, one end of which is fitted with an adjustment knob, and the bottom of which is provided with an adjustment block.

[0007] A further improvement of the present invention is that the adjustment mechanism includes a base, a fixing screw is inserted into the surface of the base, and an eccentric screw is inserted into one side of the top of the base.

[0008] A further improvement of this utility model is that the rotating mechanism includes a hinge arm, the top of which is threadedly connected to the surface of the fixing screw.

[0009] A further improvement of this utility model is that: one end of the top of the hinge arm is rotatably connected to the surface of the eccentric screw, and the surface of the hinge arm is provided with a positioning symbol.

[0010] A further improvement of this utility model is that a rivet is provided inside one end of the hinge arm, and a hollow tube is sleeved on the surface of the rivet.

[0011] A further improvement of this utility model is that: both ends of the hollow tube are tightly abutted against the two sides of the inner wall of the base, and one end of the hinge arm is rotatably connected to the first connecting rod.

[0012] A further improvement of this utility model is that: a cup head is rotatably connected to the end of the first connecting rod away from the hinge arm, and one side of the cup head is rotatably connected to one end of the second connecting rod.

[0013] A further improvement of this utility model is that the adjusting block is provided with three speed settings, and the speed regulating valve rotates 90 degrees to determine one speed setting.

[0014] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:

[0015] This utility model provides an adjustable speed hinge structure. By setting the adjustment mechanism, when it is necessary to adjust the rotation speed of the hinge, the adjustment knob can be rotated to make different surfaces of the adjustment block contact the end of the hydraulic cylinder, thereby adjusting the initial compression degree of the hydraulic cylinder. This changes the resistance applied by the hydraulic cylinder to the opening and closing of the hinge. The greater the initial compression degree, the greater the resistance applied by the hydraulic cylinder when the hinge opens and closes, and the slower the rotation speed. Conversely, the smaller the initial compression degree, the faster the hinge opens and closes. Multiple adjustable speeds make it easier to use and more suitable for diverse needs. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0017] Figure 2 This is a bottom view of the structure of this utility model;

[0018] Figure 3 This is an exploded structural diagram of the present invention;

[0019] Figure 4 This is a schematic diagram of the adjustment mechanism structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the speed regulating mechanism of this utility model;

[0021] Figure 6 This is a schematic diagram of the adjusting block structure of this utility model;

[0022] Figure 7 This is a schematic diagram of the bottom structure of the adjusting block of this utility model.

[0023] In the diagram: 11. Base; 12. Fixing screw; 13. Eccentric screw; 21. Hinge arm; 22. Positioning symbol; 23. Rivet; 24. Hollow tube; 25. First connecting rod; 26. Cup head; 31. Second connecting rod; 32. Hook; 33. Cylinder liner; 34. Cylinder; 35. Adjusting knob; 36. Adjusting block. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to embodiments:

[0025] Example 1

[0026] like Figure 1-7 As shown, this utility model provides an adjustable speed hinge structure, including an adjustment mechanism. The adjustment mechanism has a rotating mechanism inside, and the rotating mechanism has a speed adjustment mechanism inside. The speed adjustment mechanism includes a second connecting rod 31. One end of the second connecting rod 31 is provided with a hook 32. The inner wall of the hook 32 is connected to a cylinder sleeve 33. The cylinder sleeve 33 is provided with a cylinder 34 inside. One end of the cylinder 34 is connected to an adjustment knob 35. The bottom of the adjustment knob 35 is provided with an adjustment block 36.

[0027] In this embodiment, when the hinge rotation speed needs to be adjusted during use, the adjustment knob 35 is rotated to change the contact surface between the adjustment block 36 and the oil cylinder 34, thereby changing the abutment position between the adjustment block 36 and the oil cylinder 34 and adjusting the initial compression degree of the adjustment block 36 on the oil cylinder 34. When the cup head 26 rotates, the second connecting rod 31 pulls the oil cylinder sleeve 33 through the hook 32 to perform secondary compression on the oil cylinder 34. Through the reaction force of the oil cylinder 34, the hinge rotation speed is slowed down. The greater the initial compression degree, the greater the reaction force of the oil cylinder 34 during secondary compression, and the slower the hinge rotation speed. Conversely, the smaller the initial compression degree, the smaller the reaction force of the oil cylinder 34 during secondary compression, and the faster the hinge rotation speed. Each 90-degree rotation of the adjustment block 36 corresponds to one speed setting, and three speed settings are adjustable, making it more adaptable.

[0028] Example 2

[0029] like Figure 1-7As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, the adjusting mechanism is provided with a rotating mechanism inside, and the rotating mechanism is provided with a speed regulating mechanism inside. The speed regulating mechanism includes a second connecting rod 31, one end of the second connecting rod 31 is provided with a hook 32, the inner wall of the hook 32 is connected to a cylinder sleeve 33, the cylinder sleeve 33 is provided with a cylinder 34 inside, one end of the cylinder 34 is connected to an adjusting knob 35, the bottom of the adjusting knob 35 is provided with an adjusting block 36, the adjusting mechanism includes a base 11, the surface of the base 11 is inserted with a fixing screw 12, and one side of the top of the base 11 is inserted with an eccentric screw 13.

[0030] In this embodiment, when adjusting the position of the base 11, the fixing screw 12 is loosened and the eccentric screw 13 is rotated. Under the action of the rotation of the eccentric screw 13, the eccentric block below the eccentric screw 13 pushes the base to move within the hinge arm 21. After moving to the appropriate position, the fixing screw 12 is tightened again. The base 11 is fixed by the tight contact between the fixing screw 12 and the base 11, making it easier to use. At the same time, during the adjustment process, the two ends of the hollow tube 24 rub against the base 11, generating a certain resistance during adjustment, enhancing the stability of the adjustment and making it easier to use.

[0031] Example 3

[0032] like Figure 1-7 As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, the adjusting mechanism has a rotating mechanism inside, and the rotating mechanism has a speed regulating mechanism inside. The speed regulating mechanism includes a second connecting rod 31, one end of which is provided with a hook 32. A cylinder sleeve 33 is attached to the inner wall of the hook 32. A cylinder 34 is provided inside the cylinder sleeve 33. One end of the cylinder 34 is attached with an adjusting knob 35. An adjusting block 36 is provided at the bottom of the adjusting knob 35. The rotating mechanism includes a hinge arm 21. The top of the hinge arm 21 is threadedly connected to the surface of the fixing screw 12. One end of the top of the hinge arm 21 is rotatably connected to the surface of the eccentric screw 13. The surface of the hinge arm 21 is provided with a positioning symbol 22. A rivet 23 is provided inside one end of the hinge arm 21. A hollow tube 24 is sleeved on the surface of the rivet 23. The two ends of the hollow tube 24 are tightly abutted against the two sides of the inner wall of the base 11. One end of the hinge arm 21 is rotatably connected to the first connecting rod 25. The end of the first connecting rod 25 away from the hinge arm 21 is rotatably connected to the cup head 26. One side of the cup head 26 is rotatably connected to one end of the second connecting rod 31. The adjusting block 36 is provided with three speed positions. Each 90-degree rotation of the speed regulating valve is one speed position.

[0033] In this embodiment, when the cup head 26 rotates, the second connecting rod 31 pulls the cylinder sleeve 33 through the hook 32, thereby compressing the cylinder 34 a second time. The reaction force of the cylinder 34 slows down the rotation speed of the hinge. The greater the initial degree of compression, the greater the reaction force of the cylinder 34 during the second compression, and the slower the hinge rotation speed. Conversely, the smaller the initial degree of compression, the smaller the reaction force of the cylinder 34 during the second compression, and the faster the hinge rotation speed.

[0034] The working principle of this adjustable speed hinge structure will be explained in detail below.

[0035] like Figure 1-7 As shown, during use, when it is necessary to adjust the hinge rotation speed, rotate the adjustment knob 35 to change the contact surface between the adjustment block 36 and the hydraulic cylinder 34, thereby changing the abutting position of the adjustment block 36 and the hydraulic cylinder 34, and adjusting the initial compression degree of the adjustment block 36 on the hydraulic cylinder 34. When the cup head 26 rotates, the second connecting rod 31 pulls the hydraulic cylinder sleeve 33 through the hook 32, performing secondary compression on the hydraulic cylinder 34. Through the reaction force of the hydraulic cylinder 34, the hinge rotation speed is slowed down. The greater the initial compression degree, the greater the reaction force of the hydraulic cylinder 34 during secondary compression, and the slower the hinge rotation speed. Conversely, the smaller the initial compression degree, the smaller the reaction force of the hydraulic cylinder 34 during secondary compression, and the slower the hinge rotation speed. The faster the rotation speed, the more adjustable the speed. Each 90-degree rotation of the adjusting block 36 corresponds to one speed setting, with three speed settings available for greater adaptability. When adjusting the position of the base 11, loosen the fixing screw 12 and rotate the eccentric screw 13. Under the action of the rotation of the eccentric screw 13, the eccentric block below the eccentric screw 13 pushes the base to move within the hinge arm 21. After moving to the appropriate position, tighten the fixing screw 12 again. The base 11 is then fixed by the tight contact between the fixing screw 12 and the base 11, making it easier to use. At the same time, during the adjustment process, the two ends of the hollow tube 24 rub against the base 11, generating a certain resistance during adjustment and enhancing the stability of the adjustment, making it easier to use.

[0036] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A speed-adjustable hinge structure comprising an adjustment mechanism, characterised in that: The inside of the adjusting mechanism is provided with a rotating mechanism, the inside of the rotating mechanism is provided with a speed regulating mechanism, the speed regulating mechanism comprises a second connecting rod (31), one end of the second connecting rod (31) is provided with a hook (32), the inner wall of the hook (32) is overlapped with an oil cylinder sleeve (33), the inside of the oil cylinder sleeve (33) is provided with an oil cylinder (34), one end of the oil cylinder (34) is overlapped with an adjusting knob (35), the bottom of the adjusting knob (35) is provided with an adjusting block (36).

2. The speed-adjustable hinge structure according to claim 1, characterized in that: The adjusting mechanism comprises a base (11), the surface of the base (11) is inserted with a fixing screw (12), one side of the top of the base (11) is inserted with an eccentric screw (13).

3. The speed-adjustable hinge structure according to claim 1, characterized in that: The top of the hinge arm (21) is threadedly connected with the surface of the fixing screw (12).

4. A speed-adjustable hinge structure according to claim 3, characterized in that: One end of the top of the hinge arm (21) is rotationally connected with the surface of the eccentric screw (13), the surface of the hinge arm (21) is provided with a positioning symbol (22).

5. A speed-adjustable hinge structure according to claim 4, characterized in that: The inside of one end of the hinge arm (21) is provided with a rivet (23), the surface of the rivet (23) is sleeved with a hollow tube (24).

6. A speed-adjustable hinge structure according to claim 5, characterized in that: Both ends of the hollow tube (24) are tightly abutted with both sides of the inner wall of the base (11), one end of the hinge arm (21) is rotationally connected with a first connecting rod (25).

7. A speed-adjustable hinge structure according to claim 6, characterized in that: One end of the first connecting rod (25) is rotationally connected with a cup head (26) away from the hinge arm (21), one side of the cup head (26) is rotationally connected with one end of the second connecting rod (31).

8. The speed-adjustable hinge structure according to claim 1, characterized in that: The adjusting block (36) is provided with three gears, and each ninety degrees of the speed regulating valve is a speed gear.

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