Nylon hinge convenient for adjusting torsion of spring

Abstract

The utility model discloses a nylon hinge convenient for adjusting torsion of a spring. The nylon hinge is characterized by further comprising an adjusting device which is arranged in a first hinge seat and a second hinge seat and enables the first hinge seat and the second hinge seat to be automatically opened or closed by adjusting the torsion; the adjusting device comprises limiting sleeves arranged in the two ends of the first hinge base and the two ends of the second hinge base, a positioning sleeve, a rotating rod penetrating through the limiting sleeves and used for adjusting torsion, and a torsional spring with one end connected with the rotating rod and the other end connected with the positioning sleeve. When the rotating rod rotates, the torsion spring is driven to deform, the larger the rotating rod rotates, the larger the deformation of the torsion spring is, and the larger the torsion between the first hinge seat and the second hinge seat is, so that the larger the opening and closing force of a part which is connected with the first hinge seat and the second hinge seat and needs to rotate is; the requirements on the opening and closing force of the hinge in different use scenes can be met.

Description

Technical Field

[0001] This utility model relates to the field of hinge technology, specifically a nylon hinge that facilitates adjustment of spring torque. Background Technology

[0002] In existing hinge products, traditional nylon hinges are widely used in many fields due to their advantages such as low cost, corrosion resistance, and light weight. However, most existing nylon hinges suffer from problems such as non-adjustable or inconvenient torque adjustment. Nylon hinges with fixed torque are difficult to use for connecting parts in different usage scenarios. For example, when used for lighter cabinet doors, excessive torque can cause the door to close too quickly, generating impact noise or even damaging the door. Conversely, when used for heavier parts, insufficient torque can prevent the part from closing automatically or incompletely. At the same time, in some hinges with spring structures, the spring is prone to displacement during use, affecting the normal use and lifespan of the hinge and reducing the user experience. Therefore, there is an urgent need for a nylon hinge with easily adjustable spring torque and a stable structure. To this end, a nylon hinge with easily adjustable spring torque is proposed. Summary of the Invention

[0003] The purpose of this invention is to solve the above problems by proposing a nylon hinge that facilitates the adjustment of spring torque.

[0004] To achieve the above objectives, the following technical solution is provided: a nylon hinge for easy adjustment of spring torque, comprising a first hinge seat and a second hinge seat rotatably connected to the first hinge seat, characterized in that: it further comprises an adjustment device disposed within the first hinge seat and the second hinge seat, which can automatically open or close by adjusting the torque; the adjustment device comprises a limiting sleeve and a positioning sleeve disposed at both ends of the first hinge seat and the second hinge seat, a rotating rod penetrating the limiting sleeve and used for adjusting the torque, and a torsion spring having one end connected to the rotating rod and the other end connected to the positioning sleeve; the torsion spring has limiting rods at both ends connected to the limiting sleeve and the positioning sleeve and used for limiting the radial displacement of the torsion spring; the rotating rod and the limiting sleeve mesh with vertical teeth disposed on their end faces.

[0005] Preferably, the first hinge seat includes an integrally formed first hinge portion and a first rotating portion; the second hinge seat includes an integrally formed second hinge portion and a second rotating portion; the first rotating portion, the second rotating portion and the adjusting device are arranged on the same axis.

[0006] Preferably, the first hinge portion and the second hinge portion are provided with a plurality of mounting holes.

[0007] Preferably, the positioning sleeve and the rotating rod are cylindrical structures, with several arc-shaped bosses on the inner wall along the axial direction. A limiting groove that matches the limiting rod is formed between the arc-shaped bosses. The end of the rotating rod is also provided with a small cylinder that penetrates the limiting sleeve, and an adjustment hole is provided inside the small cylinder.

[0008] Preferably, the ends of the positioning sleeve and the limiting sleeve are provided with a cylinder connected to the first rotating part or the second rotating part and at least one polygonal limiting platform for limiting, and the limiting sleeve is provided with a through hole adapted to the small cylinder on the rotating rod.

[0009] Preferably, the vertical toothed surfaces are respectively provided with the connection end between the small cylinder and the cylindrical part on the rotating rod and the non-cylindrical surface of the limiting sleeve.

[0010] Preferably, the first rotating part has round holes at both ends that are adapted to the cylinders on the limiting sleeve and the positioning sleeve, and one end is also provided with a polygonal limiting groove that is adapted to the polygonal limiting platform on the limiting sleeve and restricts the axial movement of the limiting sleeve. The other end is provided with a limiting platform that restricts the axial movement of the positioning sleeve.

[0011] Preferably, the second rotating part is a cylindrical structure, and one end of it is provided with a polygonal hole for limiting the axial movement of the rotating rod.

[0012] Preferably, the first hinge portion and the second hinge portion are provided with detachable cover plates.

[0013] The beneficial effects of this utility model are as follows: by rotating the rotating rod, the torsion spring is deformed when the rotating rod rotates. The greater the rotation of the rotating rod, the greater the deformation of the torsion spring, and the greater the torque between the first hinge seat and the second hinge seat. This makes the opening and closing force of the parts that need to rotate connected to the first hinge seat and the second hinge seat greater, which can meet the requirements of hinge opening and closing force in different usage scenarios.

[0014] The combination of the arc boss and the limiting groove prevents the torsion spring from moving radially and also prevents the torsion spring from failing due to deformation. The torque applied to the rotating rod can be directly transmitted to the torsion spring, reducing energy loss.

[0015] By setting up polygonal limiting grooves and limiting platforms, the axial movement of the limiting sleeve and positioning sleeve is restricted. At the same time, the polygonal limiting grooves can also restrict the radial rotation of the rotating rod under applied torque.

[0016] The cover plate ensures that the exposed surfaces of the first and second hinges are flat and smooth, preventing scratches to personnel and enhancing the aesthetics of the hinges. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of this utility model without the cover plate installed;

[0019] Figure 3 This is a cross-sectional view of the adjustment device of this utility model;

[0020] Figure 4 This is a schematic diagram of the limiting sleeve structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the positioning sleeve structure of this utility model;

[0022] Figure 6 This is a cross-sectional view of the rotating rod of this utility model;

[0023] Figure 7 This is a schematic diagram of the torsion spring structure of this utility model;

[0024] Figure 8 This is a schematic diagram of the first hinge seat structure of this utility model;

[0025] Figure 9 This is a schematic diagram of the second hinge seat structure of this utility model.

[0026] Legend: 1. First hinge seat; 11. First hinge part; 111. Round hole; 112. Polygonal limiting groove; 113. Limiting platform; 12. First rotating part; 2. Second hinge seat; 21. Second hinge part; 22. Second rotating part; 221. Polygonal hole; 3. Adjustment device; 31. Limiting sleeve; 311. Cylinder; 312. Polygonal limiting platform; 313. Through hole; 32. Positioning sleeve; 33. Rotating rod; 331. Arc boss; 332. Limiting groove; 333. Small cylinder; 334. Adjustment hole; 34. Torsion spring; 341. Limiting rod; 35. Vertical tooth surface; 4. Mounting hole; 5. Cover plate. Detailed Implementation

[0027] The following description, in conjunction with the accompanying drawings, further illustrates the nylon hinge of this utility model that facilitates the adjustment of spring torque.

[0028] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, etc., are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indication will also change accordingly.

[0029] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] Participation Figure 1-2 As shown, this embodiment of a nylon hinge that facilitates adjustment of spring torque includes a first hinge seat 1 and a second hinge seat 2 rotatably connected to the first hinge seat 1. Its characteristic is that it further includes an adjustment device 3 disposed within the first hinge seat 1 and the second hinge seat 2, which can automatically open or close by adjusting the torque. The adjustment device 3 includes a limiting sleeve 31 disposed at both ends of the first hinge seat 1 and the second hinge seat 2, a positioning sleeve 32, a rotating rod 33 penetrating the limiting sleeve 31 and used for adjusting torque, and a torsion spring 34 with one end connected to the rotating rod 33 and the other end connected to the positioning sleeve 32. The torsion spring 34... 4. Limiting rods 341 are provided at both ends, which are connected to the limiting sleeves 31 and the positioning sleeves 32 and are used to limit the radial displacement of the torsion spring 34. The rotating rod 33 and the limiting sleeve 31 are engaged by the vertical tooth surface 35 provided on their end faces. When the rotating rod 33 is rotated, the torsion spring 34 is deformed. The greater the rotation of the rotating rod 33, the greater the deformation of the torsion spring 34, and the greater the torque between the first hinge seat 1 and the second hinge seat 2. This makes the opening and closing force of the components that need to be rotated and connected to the first hinge seat 1 and the second hinge seat 2 greater, which can meet the requirements of hinge opening and closing force in different usage scenarios.

[0031] In one embodiment, the first hinge seat 1 includes an integrally formed first hinge portion 11 and a first rotating portion 12; the second hinge seat 2 includes an integrally formed second hinge portion 21 and a second rotating portion 22; the first rotating portion 12, the second rotating portion 22 and the adjusting device 3 are arranged on the same axis, and the first rotating portion 12 and the second rotating portion 22 can be more stable when rotating.

[0032] In one embodiment, the first hinge portion 11 and the second hinge portion 21 are provided with a plurality of mounting holes 4, and the first hinge portion 11 and the second hinge portion 21 are mounted on the component that needs to be rotated by passing screws through the mounting holes 4.

[0033] In one embodiment, the positioning sleeve 32 and the rotating rod 33 are cylindrical structures, with a plurality of arc-shaped bosses 331 on the inner wall along the axial direction. A limiting groove 332, adapted to the limiting rod 341, is formed between the arc-shaped bosses 331. The end of the rotating rod 33 is also provided with a small cylinder 333 penetrating the limiting sleeve 31, and an adjustment hole 334 is provided inside the small cylinder 333. The ends of the positioning sleeve 32 and the limiting sleeve 31 are each provided with a cylinder 311 connected to the first rotating part 12 or the second rotating part 22, and at least one... The polygonal limiting platform 312 is used for positioning, and the limiting sleeve 31 is provided with a through hole 313 that matches the small cylinder 333 on the rotating rod 33; the vertical tooth surface 35 is respectively provided with the connection end of the small cylinder 333 on the rotating rod 33 and the cylinder 321 and the non-cylindrical surface 311 of the limiting sleeve 31; through the cooperation of the arc boss 331 and the limiting groove 332, the radial movement of the torsion spring 34 is prevented, and the torsion spring 34 can also be prevented from failing due to deformation torque. The torque applied to the rotating rod 33 can be directly transmitted to the torsion spring 34, reducing energy loss.

[0034] In one embodiment, the first rotating part 12 has circular holes 111 at both ends that are adapted to the cylinders 311 on the limiting sleeve 31 and the positioning sleeve 32, and one end is also provided with a polygonal limiting groove 112 that is adapted to the polygonal limiting platform 312 on the limiting sleeve 31 and restricts the axial movement of the limiting sleeve 31. The other end is provided with a limiting platform 113 that restricts the axial movement of the positioning sleeve 32. The second rotating part 22 is a cylindrical structure, and one end is provided with a polygonal hole 221 for limiting the axial movement of the rotating rod 33. By setting the polygonal limiting groove 112 and the limiting platform 113, the axial movement of the limiting sleeve 31 and the positioning sleeve 32 is restricted, and at the same time, the polygonal limiting groove 112 can also restrict the radial rotation of the rotating rod 33 that is subjected to torque.

[0035] In one embodiment, the first hinge portion 11 and the second hinge portion 21 are provided with a detachable cover plate 5; the first hinge seat 1, the second hinge seat 2, the limiting sleeve 31, the positioning sleeve 32 and the rotating rod 33 are all made of nylon; by setting the cover plate 5, the exposed surfaces of the first hinge portion 11 and the second hinge portion 21 are flat and smooth, avoiding scratches to personnel from the exposed surfaces, and also increasing the aesthetics of the hinge.

[0036] In using this utility model: First, assemble the adjusting device 3. First, fit both ends of the torsion spring 34 onto the arcuate bosses 331 of the rotating rod 33 and the positioning sleeve 32. The limiting rod 341 on the torsion spring 34 needs to be engaged in the limiting grooves 332 on the rotating rod 33 and the positioning sleeve 32. Then, insert the small cylinder 333 of the rotating rod 33 into the through hole 313 on the limiting sleeve 31. The vertical tooth surface 35 on the rotating rod 33 and the limiting sleeve 31 meshes, thus completing the assembly of the adjusting device 3. Then, fit the assembled adjusting device 3 into the second rotating part 22 on the second hinge seat 2 along the end of the limiting sleeve 31. The vertical tooth surface 35 on the rotating rod 33 abuts against one end of the polygonal hole on the second rotating part 22.

[0037] Next, press the positioning sleeve 32 and the limiting sleeve 31 into the second rotating part 22 via the torsion spring 34. At the same time, align the two ends of the first rotating part 12 parallel to the second rotating part 22. Then, insert the positioning sleeve 32, the limiting sleeve 31, and the second rotating part 22 into the second rotating part 22 to engage the two ends of the first rotating part 12 of the first hinge seat 1, so that the first rotating part 12, the second rotating part 22, and the adjusting device 3 are on the same axis. At this time, the torsion spring 34 returns to its original position, and the limiting sleeve 31 and the positioning sleeve 32 engage into the first rotating part 12. The cylinders on the limiting sleeve 31 and the positioning sleeve 32 are aligned with the first rotating part 22. The circular hole 111 on the rotating part 12 is connected, and the polygonal limiting platform 312 on the positioning sleeve 32 abuts against the limiting platform 113 on the first rotating part 12. The polygonal limiting platform on the limiting sleeve 31 is inserted into the polygonal limiting groove on the first rotating part 12. Finally, the first hinge seat 1 and the second hinge seat 2 are installed on furniture cabinet doors, windows, equipment boxes and other parts that need to achieve rotational connection by passing screws through the mounting holes 4 on the first hinge seat 1 and the second hinge seat 2. After installation, the cover plate 5 is clamped on the first hinge part 11 and the second hinge part 21 to cover the exposed mounting holes 4.

[0038] When adjusting the spring torque, insert a tool compatible with the adjustment hole 334 into the adjustment hole 334 at the end of the rotating rod 33. Rotate the rotating rod 33. Since the rotating rod 33 and the limiting sleeve 31 are engaged through the vertical tooth surface 35, the rotating rod 33 needs to be pressed inward simultaneously during rotation to separate the two vertical tooth surfaces 35. The rotation of the rotating rod 33 will cause the torsion spring 34 to deform, thereby adjusting the torque of the torsion spring 34. The limiting rods 341 at both ends of the torsion spring 34 are compatible with the limiting grooves 332 on the positioning sleeve 32 and the limiting sleeve 31, which can effectively limit the radial offset of the torsion spring 34. After adjustment, due to the action of the vertical tooth surface 35, the rotating rod 33 will not easily rotate, ensuring the stability of torque adjustment. When the first hinge seat 1 and the second hinge seat 2 are subjected to external force, the torsion spring 34 will generate corresponding torque, thereby realizing the first hinge seat 1 and the second hinge seat 2 The hinge automatically opens or closes; when the hinge does not require torque, a tool with a diameter smaller than the adjustment hole 334 is inserted into the adjustment hole 334 and pressed inward, so that the vertical tooth surface 35 on the rotating rod 33 separates from the vertical tooth surface 35 on the limiting sleeve 31. The torsion spring 34 drives the rotating rod 33 to automatically reset and release the torque, so there is no torque between the first hinge seat 1 and the second hinge seat 2.

[0039] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.

Claims

1. A nylon hinge facilitating adjustment of spring torque, comprising a first hinge seat (1) and a second hinge seat (2) rotatably connected with the first hinge seat (1), characterized in that: It also includes an adjustment device (3) disposed in the first hinge seat (1) and the second hinge seat (2) and capable of automatically opening or closing by adjusting the torque; the adjustment device (3) includes a limiting sleeve (31) and a positioning sleeve (32) disposed in both ends of the first hinge seat (1) and the second hinge seat (2), a rotating rod (33) passing through the limiting sleeve (31) and used for adjusting the torque, and a torsion spring (34) with one end connected to the rotating rod (33) and the other end connected to the positioning sleeve (32); the torsion spring (34) is provided with limiting rods (341) at both ends connected to the limiting sleeve (31) and the positioning sleeve (32) and used to limit the radial displacement of the torsion spring (34); the rotating rod (33) and the limiting sleeve (31) mesh with each other through vertical tooth surfaces (35) provided on their end faces.

2. The nylon hinge with ease-adjusting spring torque according to claim 1, wherein: The first hinge seat (1) includes an integrally formed first hinge part (11) and a first rotating part (12); the second hinge seat (2) includes an integrally formed second hinge part (21) and a second rotating part (22); the first rotating part (12), the second rotating part (22) and the adjustment device (3) are arranged on the same axis.

3. The nylon hinge with ease of adjustment of spring torque as claimed in claim 2 wherein: The first hinge portion (11) and the second hinge portion (21) are provided with a plurality of mounting holes (4).

4. The nylon hinge with ease of adjustment of spring torque as claimed in claim 1 wherein: The positioning sleeve (32) and the rotating rod (33) are cylindrical structures, and the inner wall is provided with several arc bosses (331) along the axial direction. The arc bosses (331) form a limiting groove (332) that is adapted to the limiting rod (341) between them. The end of the rotating rod (33) is also provided with a small cylinder (333) that penetrates the limiting sleeve (31), and the small cylinder (333) is provided with an adjustment hole (334).

5. The nylon hinge with ease of adjustment of spring torque as claimed in claim 1 wherein: The ends of the positioning sleeve (32) and the limiting sleeve (31) are provided with a cylinder (311) connected to the first rotating part (12) or the second rotating part (22) and at least one polygonal limiting platform (312) for limiting. The limiting sleeve (31) is provided with a through hole (313) adapted to the small cylinder (333) on the rotating rod (33).

6. The nylon hinge for facilitating adjustment of spring torque as defined in claim 1, wherein: The vertical tooth surface (35) is respectively provided with the connection end of the small cylinder (333) on the rotating rod (33) and the cylinder (321) and the non-cylindrical (311) surface of the limiting sleeve (31).

7. The nylon hinge with ease of adjustment of spring torque as claimed in claim 2 wherein: The first rotating part (12) has round holes (111) at both ends that are adapted to the cylinders (311) on the limiting sleeve (31) and the positioning sleeve (32), and one end is also provided with a polygonal limiting groove (112) that is adapted to the polygonal limiting platform (312) on the limiting sleeve (31) and restricts the axial movement of the limiting sleeve (31). The other end is provided with a limiting platform (113) that restricts the axial movement of the positioning sleeve (32).

8. The nylon hinge with ease of adjustment of spring torque as claimed in claim 2 wherein: The second rotating part (22) is a cylindrical structure, and one end of it is provided with a polygonal hole (221) for limiting the axial movement of the rotating rod (33).

9. The nylon hinge for facilitating adjustment of spring torque as defined in claim 2, wherein: The first hinge (11) and the second hinge (21) are provided with removable cover plates (5).

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