阅读说明：本技术 一种阻尼铰链 (Damping hinge ) 是由 王养成 其他发明人请求不公开姓名 于 2020-07-03 设计创作，主要内容包括：本发明涉及门窗配件技术领域,公开了一种阻尼铰链,包括外壳组件、铰链杯、第一连动件、第二连动件、扭簧、承托座及阻尼器,利用扭簧的复原弹性力,使得铰链杯靠近与外壳组件,实现铰链的关闭,承托座与第一连动件或第二连动件传动相连,将阻尼器直接与第一转轴和承托座相连接,在关闭过程中,第一连动件或第二连动件能够带动承托座滑动,进而推动阻尼器,阻尼器产生的阻尼力反向作用于第一连动件或第二连动件上,以形成对抗扭簧复位的阻力,起到缓慢关闭的效果,大大降低了产生的噪音,阻尼器无需与扭簧相抵接,产品的稳定性得到保障,使用寿命也更长,提高该产品的市场竞争力。(The invention relates to the technical field of door and window accessories, and discloses a damping hinge which comprises a shell component, a hinge cup, a first linkage component, a second linkage component, a torsional spring, a bearing seat and a damper, wherein the hinge cup is close to the shell component by utilizing the restoring elastic force of the torsional spring to realize the closing of the hinge, the bearing seat is in transmission connection with the first linkage component or the second linkage component, the damper is directly connected with a first rotating shaft and the bearing seat, the first linkage component or the second linkage component can drive the bearing seat to slide in the closing process to further push the damper, the damping force generated by the damper reversely acts on the first linkage component or the second linkage component to form the resistance resisting the resetting of the torsional spring, the slow closing effect is achieved, the generated noise is greatly reduced, the damper does not need to be abutted against the torsional spring, the stability of a product is ensured, and the service life is longer, improving the market competitiveness of the product.)

1. A damping hinge is characterized by comprising a shell component, a hinge cup, a first linkage component, a second linkage component, a torsional spring, a bearing seat and a damper, wherein the shell component and the hinge cup are respectively and rotatably connected with the first linkage component;

The bearing seat and the damper are arranged in the shell component, the bearing seat is in transmission connection with the first linkage component or the second linkage component, the damper is connected with the first rotating shaft, when the hinge cup is closed, the first linkage component or the second linkage component drives the bearing seat to slide, and then the damper is pushed, so that the damper generates resistance to resetting of the torsion spring.

2. The damped hinge according to claim 1 wherein the first shaft has a receiving section, the torsion spring has a winding portion mounted offset from the receiving section, and the damper is coupled to the receiving section.

3. The damping hinge according to claim 2, wherein the damper includes a cylinder, an elastic member, a piston, and a piston rod, a main chamber is disposed inside the cylinder, the elastic member and the piston are located inside the main chamber, one end of the elastic member abuts against the cylinder, the other end of the elastic member abuts against the piston, the piston rod is disposed on the piston, and the end of the piston rod extends outward toward the front end of the cylinder, the end of the piston rod is connected to the first rotating shaft, and the cylinder is connected to the bearing seat.

4. The damped hinge according to claim 3 wherein the end of the piston rod is provided with a connecting ring, the connecting ring being disposed on the abutting section.

5. The damped hinge according to claim 3, wherein the end of the piston rod is provided with a receiving block, and the receiving block is provided with a circular arc surface connected with the receiving section.

6. The damped hinge according to claim 3 wherein the distal end of the piston rod is welded to the abutment section.

7. The damping hinge as claimed in any one of claims 3 to 6, wherein the elastic member is a tension spring for limiting the piston rod from being pulled out, the supporting base is provided with a first transmission portion connected to the front end of the cylinder, and the first linkage member or the second linkage member is provided with a second transmission portion abutting against the first transmission portion for pushing the cylinder to move away from the first rotation axis;

or the elastic part is a compression spring for limiting the piston rod to be pressed in, the second linkage part is provided with a hook part, and the bearing seat is provided with a rear side plate connected with the rear end of the cylinder body and a hanging opening part connected with the hook part so as to push the cylinder body to move towards the direction close to the first rotating shaft.

8. The damping hinge according to claim 1, wherein the damper includes a cylinder, an elastic member, a piston, and a piston rod, a main chamber is disposed inside the cylinder, the elastic member and the piston are located inside the main chamber, one end of the elastic member abuts against the cylinder, the other end of the elastic member abuts against the piston, the piston rod is disposed on the piston, and the end of the piston rod extends outward toward the front end of the cylinder, the rear end of the cylinder is connected to the first rotating shaft, and the end of the piston rod is connected to the bearing seat.

9. The damped hinge according to claim 8, wherein the outer wall of the rear end of the cylinder body is formed with a groove along an edge thereof so that a boss portion having a reduced outer diameter is formed at the rear end of the cylinder body, and the boss portion is connected to the first rotating shaft.

10. The damped hinge according to claim 9, wherein the outer wall of the rear end of the cylinder body is formed with a groove along an edge thereof, the groove being provided with a stopper spacer, and the stopper spacer being connected to the first rotating shaft.

11. The damped hinge according to any one of claims 8 to 10, wherein the elastic member is an extension spring for limiting the piston rod from being pulled out, the first linking member or the second linking member is provided with a second transmission portion, the bearing seat is provided with a rear side plate connected to a distal end of the piston rod and a first transmission portion abutting against the second transmission portion, so as to push the piston rod to move away from the first rotation axis;

Or the elastic part is a compression spring for limiting the piston rod to be pressed in, the second linkage part is provided with a hook part, and the bearing seat is provided with a rear side plate connected with the tail end of the piston rod and a hanging opening part connected with the hook part so as to push the piston rod to move towards the direction close to the first rotating shaft.

12. The damped hinge according to claim 1 wherein the holder includes a left side plate, a right side plate and a top plate, the left side plate is disposed on one side of the top plate and the right side plate is disposed on the other side of the top plate, such that the left side plate, the right side plate and the top plate form a mounting cavity for mounting the damper.

13. The damped hinge according to claim 12 wherein the housing assembly includes a stop bar for limiting the back and forth sliding movement of the retainer, the top plate abutting the stop bar.

14. The damped hinge according to claim 13 wherein said top plate defines a sliding surface projecting away from said mounting cavity, said sliding surface abutting said stop bar.

15. The damped hinge of claim 1 wherein one end of the first linkage member is rotatably connected to the housing assembly via the first rotating shaft, the other end of the first linkage member is rotatably connected to the hinge cup via a third rotating shaft, the second linkage member is rotatably connected to the housing assembly via a second rotating shaft, and the second linkage member is rotatably connected to the hinge cup via a fourth rotating shaft.

16. The damped hinge according to claim 15 wherein the first drive arm of the torsion spring is in contact with the housing assembly via the second pivot and the second drive arm of the torsion spring is in contact with the first linkage via the third pivot.

17. The damped hinge according to claim 1 wherein the receptacle is integrally formed with the damper.

Technical Field

The invention relates to the technical field of door and window accessories, in particular to a damping hinge.

Background

The hinges are mainly arranged on doors and windows, and more hinges are arranged on cabinets and furniture door plates and are mainly classified into stainless steel hinges and iron hinges according to materials; the damping hinge (also called a buffering hinge) is also provided for people to obtain better enjoyment, and is characterized in that the damping hinge has a buffering function when the cabinet door is closed, so that the noise generated by collision between the cabinet door and the cabinet body when the cabinet door is closed is reduced to the greatest extent.

In the existing hinge, in order to further reduce the noise of the hinge, a damper is adopted by a part of the hinge to overcome the resistance of a torsion spring, so that the noise reduction effect is realized. The damper has two conventional mounting modes, one mode is that a piston rod of the damper is abutted against a torsion spring, but when the damper is used and a hinge is opened or closed, the torsion spring needs to rotate, so that friction is generated at the position where the damper is abutted against the torsion spring, and the stability and the service life of the hinge are greatly reduced; the other type is that the shell component is provided with the backstop damper of the bent top plate, the structure is complex, and the bent top plate is damaged due to the fact that the torsion spring and the damper generate large force when the backstop damper is used, so that the integral use of the backstop damper is influenced, and the market requirements cannot be met.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the damping hinge can protect a damper and is simple in structure, production cost is effectively reduced, and stability of the damping hinge is improved.

In order to solve the technical problems, the invention provides a damping hinge, which comprises a shell component, a hinge cup, a first linkage component, a second linkage component, a torsional spring, a bearing seat and a damper, wherein the shell component and the hinge cup are respectively connected with the first linkage component in a rotating manner, the shell component and the hinge cup are respectively connected with the second linkage component in a rotating manner, a first rotating shaft is installed on the shell component, the torsional spring is sleeved on the first rotating shaft, and is connected with the first linkage component and the shell component for pre-tensioning the first linkage component and the shell component, or is connected with the second linkage component and the shell component for pre-tensioning the second linkage component and the shell component;

The bearing seat and the damper are arranged in the shell component, the bearing seat is in transmission connection with the first linkage component or the second linkage component, the damper is connected with the first rotating shaft, when the hinge cup is closed, the first linkage component or the second linkage component drives the bearing seat to slide, and then the damper is pushed, so that the damper generates resistance to resetting of the torsion spring.

Preferably, the first rotating shaft is provided with a butting section, the winding part of the torsion spring is installed in a staggered manner with the butting section, and the damper is connected with the butting section.

Preferably, the damper includes a cylinder body, an elastic member, a piston and a piston rod, a main chamber is disposed inside the cylinder body, the elastic member and the piston are located inside the main chamber, one end of the elastic member abuts against the cylinder body, the other end of the elastic member abuts against the piston, the piston rod is disposed on the piston, the tail end of the piston rod extends outwards from the front end of the cylinder body, the tail end of the piston rod is connected with the first rotating shaft, and the cylinder body is connected with the bearing seat.

Preferably, the end of the piston rod is provided with a connecting ring, and the connecting ring is arranged on the abutting section.

Preferably, the end of the piston rod is provided with a butting block, and the butting block is provided with an arc surface connected with the butting section.

Preferably, the end of the piston rod is welded to the abutting section.

Preferably, the elastic member is an extension spring for limiting the piston rod to be pulled out, the support base is provided with a first transmission part connected with the front end of the cylinder body, and the first linkage member or the second linkage member is provided with a second transmission part abutted against the first transmission part so as to push the cylinder body to move in a direction away from the first rotating shaft;

or the elastic part is a compression spring for limiting the piston rod to be pressed in, the second linkage part is provided with a hook part, and the bearing seat is provided with a rear side plate connected with the rear end of the cylinder body and a hanging opening part connected with the hook part so as to push the cylinder body to move towards the direction close to the first rotating shaft.

Preferably, the damper includes a cylinder body, an elastic member, a piston and a piston rod, a main chamber is provided inside the cylinder body, the elastic member and the piston are located in the main chamber, one end of the elastic member is abutted against the cylinder body, the other end of the elastic member is abutted against the piston, the piston rod is disposed on the piston, the tail end of the piston rod extends outwards from the front end of the cylinder body, the rear end of the cylinder body is connected with the first rotating shaft, and the tail end of the piston rod is connected with the bearing seat.

Preferably, the outer wall of the rear end of the cylinder body is provided with a groove along the edge thereof, so that a boss with a reduced outer diameter is formed at the rear end of the cylinder body, and the boss is connected with the first rotating shaft.

Preferably, the outer wall of the rear end of the cylinder body is provided with a groove along the edge thereof, the groove is provided with a blocking and spacing member, and the blocking and spacing member is connected with the first rotating shaft.

Preferably, the elastic member is an extension spring for limiting the piston rod to be pulled out, the first linkage member or the second linkage member is provided with a second transmission part, and the bearing seat is provided with a rear side plate connected with the tail end of the piston rod and a first transmission part abutted against the second transmission part so as to push the piston rod to move in a direction away from the first rotating shaft;

or the elastic part is a compression spring for limiting the piston rod to be pressed in, the second linkage part is provided with a hook part, and the bearing seat is provided with a rear side plate connected with the tail end of the piston rod and a hanging opening part connected with the hook part so as to push the piston rod to move towards the direction close to the first rotating shaft.

Preferably, the supporting seat comprises a left side plate, a right side plate and a top plate, the left side plate is arranged on one side of the top plate, and the right side plate is arranged on the other side of the top plate, so that the left side plate, the right side plate and the top plate form an installation cavity for installing the damper.

Preferably, the housing component is provided with a limiting rod for limiting the front and back sliding of the bearing seat, and the top plate is abutted to the limiting rod.

Preferably, the top plate is provided with a sliding surface protruding in the direction away from the installation cavity, and the sliding surface is abutted to the limiting rod.

Preferably, one end of the first linkage member is rotatably connected with the housing assembly through the first rotating shaft, the other end of the first linkage member is rotatably connected with the hinge cup through the third rotating shaft, the second linkage member is rotatably connected with the housing assembly through the second rotating shaft, and the second linkage member is rotatably connected with the hinge cup through the fourth rotating shaft.

Preferably, the first transmission arm of the torsion spring is abutted against the housing assembly through the second rotating shaft, and the second transmission arm of the torsion spring is abutted against the first linkage member through the third rotating shaft.

Preferably, the support base is integrally formed with the damper.

Compared with the prior art, the damping hinge provided by the invention has the beneficial effects that:

in the invention, the restoring elastic force of the torsion spring acts between the first linkage part and the shell component or between the second linkage part and the shell component, so that the hinge cup is close to the shell component to close the hinge, wherein the damper is directly connected with the first rotating shaft and the bearing seat, the first linkage part or the second linkage part can drive the bearing seat to slide in the closing process to further push the damper, the damping force generated by the damper acts on the first linkage part or the second linkage part in a reverse direction to form resistance for resisting the resetting of the torsion spring, the slow closing effect is achieved, the generated noise is greatly reduced, the damper does not need to be abutted against the torsion spring, the internal structure is more compact, and the stability of a product is ensured, the service life is longer, and the market competitiveness of the product is greatly improved.

Drawings

Fig. 1 is a schematic structural view of an open state of a damping hinge according to a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a damping hinge according to a first embodiment of the invention in a closed state.

Fig. 3 is a schematic structural view of the damping hinge according to the first embodiment of the present invention without the first linking member.

Fig. 4 is a schematic structural diagram of the damping hinge according to the first embodiment of the invention, with the second linking member removed.

Fig. 5 is an exploded view of a damping hinge according to a first embodiment of the present invention.

Fig. 6 is a schematic view of an assembly structure of the damper and the first rotating shaft in the damping hinge according to the first embodiment of the present invention.

Fig. 7 is a schematic view showing another assembling structure of the damper and the first rotating shaft in the damping hinge according to the first embodiment of the present invention.

Fig. 8 is a schematic structural view of a support seat in the damping hinge according to the first embodiment of the present invention.

Fig. 9 is a schematic view of another perspective structure of fig. 8.

Fig. 10 is a schematic structural diagram of a second linking member in the damping hinge according to the first embodiment of the invention.

Fig. 11 is a schematic structural diagram of an open state of the damping hinge according to the second embodiment of the present invention.

Fig. 12 is a schematic view of an internal structure of a damping hinge according to a second embodiment of the present invention.

Fig. 13 is a schematic view of another open-state structure of the damping hinge according to the second embodiment of the present invention.

Fig. 14 is a schematic structural view of another closed state of the damping hinge according to the second embodiment of the present invention.

Fig. 15 is a schematic view of the internal structure of a damping hinge according to a third embodiment of the present invention.

Fig. 16 is a schematic structural view of a damper in a damping hinge according to a third embodiment of the present invention.

Fig. 17 is a schematic structural view of a spacer in a damping hinge according to a third embodiment of the present invention.

Fig. 18 is a structural diagram of a damping hinge according to a fourth embodiment of the present invention in an open state.

Fig. 19 is a structural diagram of a damping hinge according to a fourth embodiment of the present invention in a closed state.

Fig. 20 is a structural view of another opened state of the damper hinge according to the fourth embodiment of the present invention.

Fig. 21 is a schematic view of another closed state structure of the damper hinge according to the fourth embodiment of the present invention.

In the figure: 1. a housing assembly; 2. a hinge cup; 3. a first linkage member; 31. a second transmission part; 4. a second linkage member; 41. a hook portion; 5. a torsion spring; 6. a bearing seat; 61. a rear side plate; 61a. a positioning section; 62. a hanging opening part; 63. a left side plate; 64. a right side plate; 65. a top plate; 65a sliding surface; 66. a mounting cavity; 67. a tube receiving section; 68. a first transmission unit; 7. a damper; 71. a cylinder body; 71a, a groove; 71b. a boss; 72. an elastic member; 73. a piston; 74. a piston rod; 74a, a connecting ring; 74b, a butting block; 75. a main chamber; 76. dividing a chamber; 8. a first rotating shaft; 8a, a butting section; 9. a second rotating shaft; 10. a third rotating shaft; 11. a fourth rotating shaft; 12. a limiting rod; 13. a baffle member.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "connected," "fixed," and the like are used in a broad sense, and for example, the terms "connected," "connected," and "fixed" may be fixed, detachable, or integrated; the connection can be mechanical connection or welding connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.