Hinge mechanism

Abstract

The invention discloses a hinge mechanism. The hinge mechanism comprises a hinge cup; the hinge seat is provided with a limiting piece; the two ends of the transmission rod and the two ends of the driven rod are hinged to the hinge cup and the hinge base respectively. Under the guidance of the transmission rod and the driven rod, the hinge cup can move among an opening position, a middle position and a closing position relative to the hinge seat; the power part comprises a pushing part and an elastic part, the pushing part is slidably arranged on the hinge seat, one end of the elastic part is connected to the pushing part, the other end of the elastic part abuts against the limiting part, and the elastic part can stretch out and draw back in the first direction to drive the pushing part to slide in the first direction; when the hinge cup is located in the middle position, sliding limitation of the pushing piece is relieved, the elastic piece can drive the pushing piece to slide, the transmission rod is in transmission connection with the pushing piece, and the transmission rod and the driven rod can swing to drive the hinge cup to move to the closed position under driving of the pushing piece. In this way, the elastic piece which stretches out and draws back linearly is used for replacing a torsional spring, assembling efficiency is improved, and the service life of the hinge mechanism is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of door and window hardware accessories, in particular to a hinge mechanism. Background Art

[0002] European hinges refer to a type of hardware that can connect two objects and allow them to rotate relative to each other. Existing European hinges usually include a hinge cup, a hinge seat, a torsion spring and two connecting rods. The two ends of the two connecting rods are respectively hinged to the hinge cup and the hinge seat. The hinge cup, the hinge seat and the two connecting rods together form a four-link structure. Under the guidance of the two connecting rods, the hinge cup can move between the open position, the middle position and the closed position relative to the hinge seat. When the hinge cup is in the open position, the door and window sashes are opened accordingly, and when the hinge cup is in the closed position, the door and window sashes are closed accordingly. The torsion spring is arranged between the two connecting rods. When the hinge cup is in the open position, it is used to apply pressure to the two connecting rods so that the positions of the two connecting rods remain stable. It is also used to apply rebound force to the two connecting rods when the hinge cup moves from the middle position to the closed position so that the hinge cup automatically resets to the closed position.

[0003] For example, a Chinese patent with publication number CN113802943B discloses a buffer hinge, which includes a hinge cup, a base, a hinge arm and a damper, and also includes: a connecting piece, which is a four-hole connecting piece, including a cover-shaped body and a pair of hinge holes respectively arranged at the front and rear ends of the body, and the pair of hinge holes at the rear end of the four-hole connecting piece are hingedly connected to the pair of connecting holes on the hinge cup; one end of the connecting piece is movably connected to the damper, and the connecting piece is rollingly connected to the hinge arm through a knurled rivet; a connecting rod connecting assembly, the other end of the connecting piece is hingedly connected to one end of the connecting rod connecting assembly, and the other end of the connecting rod connecting assembly is hingedly connected to the hinge cup; the connecting rod The connecting piece is provided with an arc groove, the groove surface of the arc groove is provided with a knurling position, and the knurled rivet is rotatably connected with the knurling position by setting the knurling position; the torsion spring is installed between the four-hole connecting piece and the connecting rod connecting assembly, one end of the torsion spring is hingedly installed in a pair of hinge holes at the front end of the four-hole connecting piece and the axial hole at the front end of the hinge arm through a step rivet, and the other end is arranged between the inner side surface of the four-hole connecting piece and the outer side surface of the connecting rod connecting assembly, so as to make the hinge cup and the connecting rod connecting assembly have closing force; however, in this hinge, it is relatively complicated and difficult to assemble the torsion spring, the four-hole connecting piece and the connecting rod connecting assembly connecting rod into place, so that the hinge as a whole will also have the problem of not being simple and convenient to assemble. Summary of the invention

[0004] In order to overcome at least one of the defects of the prior art described above, the present invention provides a hinge mechanism, which uses a linearly retractable elastic member to replace the traditional torsion spring, thereby not only simplifying the assembly process but also increasing the service life of the hinge mechanism.

[0005] The technical solution adopted by the present invention to solve the problem is:

[0006] A hinge mechanism comprises: a hinge cup; a hinge seat provided with a limiter; a transmission rod and a driven rod, both ends of the transmission rod and the driven rod are respectively hinged to the hinge cup and the hinge seat; under the guidance of the transmission rod and the driven rod, the hinge cup can move between an open position, an intermediate position and a closed position relative to the hinge seat; a power component comprises a pusher and an elastic component, the pusher is slidably arranged on the hinge seat, one end of the elastic component is connected to the pusher, and the other end is abutted against the limiter, and the elastic component can be extended and retracted along a first direction to drive the hinge seat The pushing member slides along a first direction; when the hinge cup is in an open position, the transmission rod is abutted against the pushing member to limit the sliding of the pushing member, and under the action of the elastic member, the pushing member pushes the transmission rod to keep the transmission rod in a current position; when the hinge cup is in an intermediate position, the sliding restriction of the pushing member is released, the elastic member can drive the pushing member to slide, the transmission rod is transmission-connected to the pushing member, and driven by the pushing member, the transmission rod and the driven rod can swing to drive the hinge cup to move to a closed position.

[0007] According to some embodiments of the present invention, the power component also includes a damper, the first end of the damper is connected to the pushing member, and the transmission rod or the driven rod or the hinge seat is provided with a supporting member; when the hinge cup moves from the middle position to the closed position, the second end of the damper is abutted against the supporting member, and driven by the pushing member, the first end of the damper moves toward the second end of the damper, and the damper is pressurized to provide buffering.

[0008] According to some embodiments of the present invention, the pushing member is provided with a first mounting groove, the elastic member is disposed in the first mounting groove, and one end of the elastic member is connected to a groove wall of the first mounting groove.

[0009] According to some embodiments of the present invention, the pushing member is provided with a second mounting groove, the damper is disposed in the second mounting groove, and the first end of the damper is connected to a groove wall of the second mounting groove.

[0010] According to some embodiments of the present invention, the transmission rod is hinged to the hinge seat through a first hinge shaft, and the driven rod is hinged to the hinge seat through a second hinge shaft. In the extension direction of the elastic member, the first hinge shaft is located behind the second hinge shaft, the pushing member is provided with a transmission groove, and the transmission rod has a transmission arm; when the hinge cup is in an open position, the transmission arm is abutted against the transmission groove to limit the sliding of the pushing member, and under the action of the elastic member, the transmission groove pushes the transmission arm to keep the transmission rod in the current position; when the hinge cup is in an intermediate position, the transmission arm rotates to a position to release the sliding restriction on the pushing member, the elastic member can drive the pushing member to slide, the transmission arm is connected to the transmission groove in transmission, and driven by the transmission groove, the transmission rod and the driven rod can swing to drive the hinge cup to move to a closed position.

[0011] According to some embodiments of the present invention, the transmission rod is hinged to the hinge seat through a first hinge shaft, and the driven rod is hinged to the hinge seat through a second hinge shaft, and in the extension direction of the elastic member, the first hinge shaft is located in front of the second hinge shaft; the pushing member is provided with a transmission protrusion, and the transmission rod has a transmission arm; when the hinge cup is in an open position, the transmission arm is abutted against the transmission protrusion to limit the sliding of the pushing member, and under the action of the elastic member, the transmission protrusion pushes the transmission arm to keep the transmission rod in the current position; when the hinge cup is in an intermediate position, the transmission arm rotates to a position to release the sliding restriction on the pushing member, and the elastic member can drive the pushing member to slide, and the transmission arm is connected to the transmission protrusion in transmission, and driven by the transmission protrusion, the transmission rod and the driven rod can swing to drive the hinge cup to move to a closed position.

[0012] According to some embodiments of the present invention, the hinge mechanism further comprises an adjusting structure, the adjusting structure is movably connected to the damper, and the adjusting structure is used to adjust the damping effect of the damper.

[0013] According to some embodiments of the present invention, the abutment member is slidably provided on the transmission rod or the driven rod, the abutment member can move between a first position and a second position, the adjustment structure includes a first step and a second step, the first step and the second step are provided on the abutment member; when the hinge cup is in the open position, the distance between the first step and the damper in the first direction is greater than the distance between the second step and the damper in the first direction; when the abutment member is in the first position and the hinge cup moves from the middle position to the closed position, the second end of the damper abuts against the first step; when the abutment member is in the second position and the hinge cup moves from the middle position to the closed position, the second end of the damper abuts against the second step.

[0014] According to some embodiments of the present invention, the transmission rod is hinged to the hinge seat via a first hinge shaft, and the driven rod is hinged to the hinge seat via a second hinge shaft; the abutment member is sleeved on the first hinge shaft or the second hinge shaft.

[0015] According to some embodiments of the present invention, the limiting member is a pin, and the pin is inserted into the hinge seat; or, the limiting member is a limiting protrusion, and the limiting protrusion is integrally formed with the hinge seat.

[0016] According to some embodiments of the present invention, the elastic member is a compression spring.

[0017] In summary, the hinge mechanism provided by the present invention has at least the following technical effects:

[0018] A linearly retractable elastic member is used to replace the torsion spring, and the assembly between the elastic member, the pushing member, the transmission rod and the driven rod is relatively simple, thereby improving the assembly efficiency. In addition, the elastic member provides a linear elastic force, and compared with the torsion spring that provides a rotational elastic force, the elastic member has a longer service life, thereby extending the overall service life of the hinge mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Schematic diagram of the top view of the hinge mechanism (the hinge cup is in the open position) of the first embodiment of the present invention;

[0020] Figure 2 It is a schematic diagram of the top view of the hinge mechanism of the first embodiment of the present invention (the hinge cup is in the open position and the hinge seat is not shown);

[0021] Figure 3 It is a front view structural schematic diagram of the hinge mechanism of the first embodiment of the present invention (the hinge cup is in the open position and the hinge seat is not shown);

[0022] Figure 4 It is a side structural schematic diagram of the hinge mechanism (the hinge cup is in the open position) of the first embodiment of the present invention;

[0023] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure along the AA direction;

[0024] Figure 6 Schematic diagram of the top view of the hinge mechanism (the hinge cup is in the middle position) of the first embodiment of the present invention;

[0025] Figure 7 It is a schematic diagram of the top view of the hinge mechanism of the first embodiment of the present invention (the hinge cup is in the middle position and the hinge seat is not shown);

[0026] Figure 8It is a schematic side view of the structure of the hinge mechanism (the hinge cup is in the middle position) of the first embodiment of the present invention;

[0027] Fig. 9 for Figure 8 Schematic diagram of the cross-sectional structure along the BB direction;

[0028] Fig.10 Schematic diagram of the top view of the hinge mechanism (the hinge cup is in a closed position) of the first embodiment of the present invention;

[0029] Fig.11 It is a schematic diagram of the top view of the hinge mechanism of the first embodiment of the present invention (the hinge cup is in a closed position and the hinge seat is not shown);

[0030] Fig.12 It is a side structural schematic diagram of the hinge mechanism (the hinge cup is in a closed position) of the first embodiment of the present invention;

[0031] Fig.13 for Fig.12 Schematic diagram of the cross-sectional structure in the CC direction;

[0032] Fig.14 It is a schematic diagram of the exploded structure of the hinge mechanism of the first embodiment of the present invention;

[0033] Fig.15 This is a schematic diagram of the structure of a power component according to Embodiment 1 of the present invention;

[0034] Fig.16 It is a schematic diagram of the exploded structure of the power component of the first embodiment of the present invention from one viewing angle;

[0035] Fig.17 It is a schematic diagram of the exploded structure of the power component of the first embodiment of the present invention from another perspective;

[0036] Fig.18 Schematic diagram of the top view of the hinge mechanism (the hinge cup is in the open position) of the second embodiment of the present invention;

[0037] Fig.19 It is a schematic diagram of the three-dimensional structure of the hinge mechanism of the second embodiment of the present invention (the hinge cup is in the open position and the hinge seat is not shown);

[0038] Fig. 20 It is a side structural schematic diagram of the hinge mechanism (the hinge cup is in the open position) of the second embodiment of the present invention;

[0039] Fig.21 for Fig. 20 Schematic diagram of the cross-sectional structure in the middle DD direction;

[0040] Fig. 22 Schematic diagram of the top view of the hinge mechanism (the hinge cup is in the middle position) of the second embodiment of the present invention;

[0041] Fig.23 It is a side structural schematic diagram of the hinge mechanism (the hinge cup is in the middle position) of the second embodiment of the present invention;

[0042] Fig.24 for Fig.23 Schematic diagram of the cross-sectional structure in the EE direction;

[0043] Fig.25 Schematic diagram of the top view of the hinge mechanism (the hinge cup is in a closed position) of the second embodiment of the present invention;

[0044] Fig.26 It is a side structural schematic diagram of the hinge mechanism (the hinge cup is in a closed position) of the second embodiment of the present invention;

[0045] Fig. 27 for Fig.26 Schematic diagram of the cross-sectional structure in the FF direction;

[0046] Fig.28 It is a schematic diagram of the three-dimensional structure of the power component of the second embodiment of the present invention from one viewing angle;

[0047] Fig.29 It is a schematic diagram of the three-dimensional structure of the power component of the second embodiment of the present invention from another viewing angle;

[0048] Fig.30 It is a schematic diagram of the three-dimensional structure of the hinge seat according to the third embodiment of the present invention.

[0049] The meanings of the reference numerals are as follows:

[0050] 1. Hinge cup; 2. Articulated seat; 21. Limiting member; 3. Transmission rod; 31. First hinge shaft; 32. Transmission arm; 4. Follower rod; 41. Second hinge shaft; 5. Power component; 51. Pushing member; 511. First mounting groove; 512. Second mounting groove; 513. Transmission groove; 514. Transmission protrusion; 5141. Guide slope; 52. Elastic member; 521. Connecting block; 5211. Connecting groove; 53. Damper; 6. Abutment member; 61. First step; 62. Second step. DETAILED DESCRIPTION

[0051] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0052] In the description of the present invention, it should be noted that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0053] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0054] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0055] Embodiment 1

[0056] See also Figures 1 to 17 , this embodiment discloses a hinge mechanism, including a hinge cup 1, an articulated seat 2, a transmission rod 3, a driven rod 4 and a power component 5; the articulated seat 2 is provided with a fixed limiter 21; one end of the transmission rod 3 is hinged to the hinge cup 1, and the other end is hinged to the articulated seat 2; one end of the driven rod 4 is hinged to the hinge cup 1, and the other end is hinged to the articulated seat 2; under the guidance of the transmission rod 3 and the driven rod 4, the hinge cup 1 can move in sequence between an open position, an intermediate position and a closed position relative to the articulated seat 2; the power component 5 includes a pushing member 51 and an elastic member 52, the pushing member 51 is slidably arranged on the articulated seat 2, one end of the elastic member 52 is connected to the pushing member 51, and the other end is abutted against the limiter 21, the elastic member 52 can be extended and retracted along a first direction to drive the pushing member 51 to slide along the first direction; Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, when the hinge cup 1 is in the open position, the transmission rod 3 is abutted against the push member 51 to limit the sliding of the push member 51, and under the action of the elastic member 52, the push member 51 pushes the transmission rod 3 to keep the transmission rod 3 in the current position; Figure 6 , Figure 7 and Fig. 9 As shown, when the hinge cup 1 is in the middle position, the transmission rod 3 rotates to the position to release the sliding restriction on the pusher 51, the elastic member 52 can drive the pusher 51 to slide, and the transmission rod 3 is connected to the pusher 51. Driven by the pusher 51, the transmission rod 3 and the driven rod 4 can swing to drive the hinge cup 1 to move to the closed position. The state of the hinge cup 1 in the closed position can be specifically referred to Fig.10 , Fig.11 and Fig.13 .

[0057] Specifically, the first direction can refer to Figure 2 and Figure 3 The e1 direction in .

[0058] Specifically, the hinge cup 1 is used for fixed connection with the door and window sash, the hinge seat 2 is used for fixed connection with the door and window frame, and the connecting rod capable of forming a transmission connection with the pushing member 51 is defined as the transmission rod 3.

[0059] It is understandable that when the hinge cup 1 is in the open position, the user needs to apply external force to overcome the force of the elastic member 52 so as to rotate the hinge cup 1 to the middle position. The hinge cup 1 in the middle position can automatically return to the closed position under the force of the elastic member 52.

[0060] The hinge mechanism provided in this embodiment comprises a hinge cup 1, a hinge seat 2, a transmission rod 3 and a driven rod 4 which together form a four-bar linkage mechanism; when the hinge cup 1 is in an open position, the transmission rod 3 is abutted against a pusher 51 to limit the sliding of the pusher 51, and under the elastic force of the elastic member 52, the pusher 51 pushes the transmission rod 3 to keep the transmission rod 3 and the hinge cup 1 stable in the current position; when the hinge cup 1 moves from the middle position to the closed position, the restriction between the transmission rod 3 and the pusher 51 is released, and the elastic member 52 releases energy to drive the pusher 51 to slide along the first direction, At this time, the transmission rod 3 and the pushing member 51 form a transmission connection, and the pushing member 51 drives the transmission rod 3 and the driven rod 4 to swing, thereby driving the hinge cup 1 and the connected door and window sashes to move smoothly to the closed position; in this way, a linearly telescopic elastic member 52 is used to replace the torsion spring, and the assembly between the elastic member 52, the pushing member 51, the transmission rod 3 and the driven rod 4 is relatively simple, thereby improving the assembly efficiency, and the elastic member 52 provides a linear elastic force, and compared with the torsion spring that provides a rotational elastic force, the elastic member 52 has a longer service life, thereby extending the overall service life of the hinge mechanism.

[0061] like Figure 2 , Figure 7 , Fig.13 , Fig.14 , Fig.15 , Fig.16 and Fig.17 As shown, further, in this embodiment, the power component 5 also includes a damper 53, the first end of the damper 53 is connected to the pusher 51, and the driven rod 4 is provided with a supporting member 6; when the hinge cup 1 moves from the middle position to the closed position, the second end of the damper 53 is abutted against the supporting member 6, and driven by the pusher 51, the first end of the damper 53 moves toward the second end of the damper 53, and the damper 53 is compressed to provide buffering. In this way, by installing the elastic member 52 and the damper 53 together on the pusher 51, this embodiment realizes the modular design of the power component 5, and importantly:

[0062] First, the modular power component 5 can be installed as a whole to the articulated seat 2. During installation, the elastic member 52 and the damper 53 can be installed to the pushing member 51 first, and then the entire power component 5 can be installed as a whole to the articulated seat 2. It is only necessary to make one end of the elastic member 52 rest against the limit member 21. This feature makes the overall assembly process of the hinge mechanism simpler and more stable, improves the stability and reliability of the hinge mechanism, which is not only conducive to improving production efficiency and service life, but also brings convenience to later maintenance and replacement.

[0063] Secondly, the modular design greatly simplifies the assembly process of the power component 5. The traditional assembly method requires the torsion spring and the damper 53 to be installed separately, which is not only cumbersome but also increases the risk of error. The modular design allows the power component 5 to be installed as a whole, greatly reducing the assembly steps and time, reducing the assembly difficulty, and improving production efficiency.

[0064] Furthermore, the modular design makes the structure of the power component 5 more compact and reasonable. By integrating the elastic member 52, the damper 53 and the pusher 51 into one module, the gaps and connection points between the components are reduced, thereby improving the overall compactness and rationality of the structure, which not only optimizes the space utilization, but also enhances the synergy between the components and improves the efficiency of power transmission.

[0065] In addition, during the movement of the hinge cup 1 from the middle position to the closed position, the second end of the damper 53 is abutted against the abutment member 6. Driven by the push member 51, the first end of the damper 53 moves toward the second end. The damper 53 is compressed to provide an effective buffering effect. This design can significantly reduce the impact and noise of the hinge cup 1 during the closing process, thereby improving the user experience. At the same time, the buffering effect can also protect the power component 5 and the hinge cup 1 from damage and extend their service life. In addition, the combined action of the elastic member 52 and the damper 53 enables the power component 5 to provide sufficient driving force while achieving precise control of the movement speed of the hinge cup 1, thereby avoiding too fast or too violent closing actions, thereby ensuring that the hinge cup 1 can reach the closed position smoothly and accurately.

[0066] It should be noted that, in some other embodiments, the abutment member 6 may also be disposed on the transmission rod 3 or the hinge seat 2 , which can be selected according to actual needs and is not limited here.

[0067] like Figure 2 and Figure 7As shown, specifically, in this embodiment, the transmission rod 3 is hinged to the hinge seat 2 through the first hinge shaft 31, and the driven rod 4 is hinged to the hinge seat 2 through the second hinge shaft 41. Preferably, in this embodiment, in the extension direction of the elastic member 52, the first hinge shaft 31 is located behind the second hinge shaft 41, the pusher 51 is provided with a transmission groove 513, the transmission rod 3 has a transmission arm 32, and the transmission arm 32 and the transmission rod 3 move synchronously; when the hinge cup 1 is in the open position, the transmission arm 32 abuts against the transmission arm 32. The movable groove 513 is used to limit the sliding of the pushing member 51, and under the action of the elastic member 52, the transmission groove 513 pushes the transmission arm 32 to keep the transmission rod 3 in the current position; when the hinge cup 1 is in the middle position, the transmission arm 32 rotates to the position to release the sliding restriction on the pushing member 51, the elastic member 52 can drive the pushing member 51 to slide, and the transmission arm 32 is connected to the transmission groove 513. Driven by the transmission groove 513, the transmission rod 3 and the driven rod 4 can swing to drive the hinge cup 1 to move to the closed position. In this way, when the hinge cup 1 is in the open position, the transmission arm 32 can be stably pressed against the transmission groove 513 to limit the sliding of the pusher 51. At the same time, under the action of the elastic member 52, the transmission groove 513 can push the transmission arm 32, thereby ensuring that the hinge cup 1, the transmission rod 3 and the driven rod 4 maintain their current positions when not subjected to external force; when the hinge cup 1 is in the middle position, the transmission arm 32 releases the restriction on the pusher 51, and the elastic member 52 can drive the pusher 51 to slide. At this time, the transmission arm 32 is connected to the transmission groove 513. Through the driving action of the transmission groove 513, the transmission rod 3 and the driven rod 4 can swing accurately, thereby driving the hinge cup 1 to move to the closed position. This design ensures the efficiency and accuracy of the transmission.

[0068] like Fig.15 and Fig.16As shown, preferably, in this embodiment, the pushing member 51 is provided with a first installation groove 511 , the elastic member 52 is provided in the first installation groove 511 , and one end of the elastic member 52 is connected to the groove wall of the first installation groove 511 . Thus, on the one hand, the elastic member 52 is cleverly placed in the first mounting groove 511 provided on the push member 51. This design not only makes the overall structure more compact and effectively utilizes the limited space, but also avoids the interference and damage that the elastic member 52 may receive in the external environment. At the same time, the compact structure helps to reduce the overall size of the product, improve the space utilization rate, and meet the requirements of modern product design for miniaturization and lightness. On the other hand, one end of the elastic member 52 is connected to the groove wall of the first mounting groove 511. This installation method not only simplifies the assembly process and improves production efficiency, but also makes the elastic member 52 more stable and not easy to fall off or loosen, thereby ensuring the stability and reliability of the product. On the other hand, the design of the first mounting groove 511 makes the replacement and maintenance of the elastic member 52 more convenient. When the elastic member 52 is worn or fails due to long-term use, it is only necessary to simply disassemble and replace the new elastic member 52 without replacing the entire push member 51. In addition, this design also provides convenience for product upgrades and modifications. By replacing elastic members 52 with different performance or sizes, the product performance can be adjusted and optimized.

[0069] like Fig.15 and Fig.17As shown, preferably, in this embodiment, the pusher 51 is provided with a second mounting groove 512, the damper 53 is provided in the second mounting groove 512, and the first end of the damper 53 is connected to the groove wall of the second mounting groove 512. In this way, on the one hand, by providing the second mounting groove 512 on the pusher 51 and cleverly placing the damper 53 therein, a high degree of structural integration is achieved. This design not only effectively utilizes the space on the pusher 51 and avoids possible interference and damage to the damper 53 in the external environment, but also makes the overall structure more compact and beautiful. At the same time, the integrated design helps to reduce the number of parts, reduce assembly complexity, and improve production efficiency; on the other hand, the first end of the damper 53 is connected to the groove wall of the second mounting groove 512. This installation method ensures the stability of the damper 53 on the pusher 51, which can make the damper 53 less likely to fall off or loosen, thereby greatly improving the stability and reliability of the product; on the other hand, the design of the second mounting groove 512 makes the damper The maintenance and replacement of the damper 53 becomes more convenient. When the damper 53 is worn or fails due to long-term use, it is only necessary to simply disassemble and replace it with a new damper 53 without disassembling or replacing the entire pusher 51. This design not only reduces maintenance costs, but also improves the maintainability and service life of the product. In addition, since the structure is more compact and the required materials are reduced, it helps to further reduce production costs. In addition, the integrated design also provides potential for product upgrades and modifications. With the continuous advancement of technology and the continuous expansion of application scenarios, users may need to adjust and optimize the performance of the product according to actual needs. The design of the second mounting groove 512 in this embodiment allows users to easily replace dampers 53 of different performance or sizes, thereby achieving flexible adjustment of product performance.

[0070] In this arrangement, the first mounting groove 511 and the second mounting groove 512 are used to install the elastic member 52 and the damper 53, respectively. The compact structure helps to reduce the total space required for the power component 5, making the overall design more concise and efficient, which is conducive to improving the degree of modularization. In addition, the elastic member 52, the damper 53 and the push member 51 can be quickly assembled into a complete module, thereby making the assembly process of the power component 5 simpler and faster. In addition, the first mounting groove 511 and the second mounting groove 512 provide independent installation space for the elastic member 52 and the damper 53, reducing mutual interference between them, helping to maintain the stability and consistency of the power component 5 during operation, and improving the overall performance.

[0071] It should be noted that, in some other embodiments, a first clip and a second clip may be provided on the pushing member 51 but are not limited to, the first clip is used to connect the elastic member 52, and the second clip is used to connect the damper 53; or, a first threaded hole or a second threaded hole may be provided on the pushing member 51 but are not limited to, the first threaded hole is used to be threadedly connected to one end of the elastic member 52, and the second threaded hole is used to be threadedly connected to one end of the damper 53.

[0072] Preferably, in this embodiment, the hinge mechanism further includes an adjustment structure, which is movably connected to the damper 53, and the adjustment structure is used to adjust the damping effect of the damper 53 to meet the needs of different users or different application scenarios.

[0073] like Figure 3 and Fig.14As shown, more preferably, in this embodiment, the abutment member 6 is slidably arranged on the driven rod 4, and the abutment member 6 can move between the first position and the second position. The adjustment structure includes a first step 61 and a second step 62, and the first step 61 and the second step 62 are fixedly arranged on the abutment member 6. After the position adjustment is completed, the abutment member 6 is relatively fixed to the driven rod 4 to follow the synchronous movement of the driven rod 4; when the hinge cup 1 is in the open position, the distance between the first step 61 and the damper 53 in the first direction is greater than the distance between the second step 62 and the damper 53 in the first direction; the abutment member 6 is in the first position and the hinge cup 1 is moved from the middle When the supporting member 6 is in the second position and the hinge cup 1 moves from the middle position to the closed position, the second end of the damper 53 is against the first step 61; when the supporting member 6 is in the second position and the hinge cup 1 moves from the middle position to the closed position, the second end of the damper 53 is against the second step 62; specifically, in this embodiment, when the supporting member 6 is in the first position, the damper 53 provides a partial damping effect during the movement of the hinge cup 1 from the middle position to the closed position; when the supporting member 6 is in the second position, the damper 53 provides a full damping effect during the movement of the hinge cup 1 from the middle position to the closed position. In this way, on the one hand, by introducing the abutment 6 and allowing it to move between the first position and the second position, the user can adjust the contact point between the damper 53 and the abutment 6 (i.e., the first step 61 and the second step 62) according to actual needs, thereby adjusting the damping effect. This design increases the flexibility and applicability of the product, so that the same hinge mechanism can meet the needs of different users or different application scenarios. Specifically, when the abutment 6 is moved to the first position, the stroke of the damper 53 can be reduced, and when the abutment 6 is moved to the second position, the stroke of the damper 53 can be increased. The user only needs to slide the abutment 6 to change its relative position with the damper 53 to easily adjust the damping effect. This design avoids complicated installation steps and additional tool requirements, making the installation and adjustment process simpler and faster; on the other hand, the abutment 6 and the adjustment structure (i.e., the first step 61 and the second step 62) are located outside the articulated seat 2, which can save the usable space on the articulated seat 2, thereby reserving more installation space for the modular installation of the power component 5.

[0074] It should be noted that, in some other embodiments, the adjustment structure may be an adjustment oil valve provided on the damper 53, or may be an adjustment rod provided on the articulated seat 2, which can be selected according to actual needs.

[0075] like Figure 3 and Fig.14As shown, preferably, in this embodiment, the abutment member 6 is sleeved on the second hinge shaft 41, and the abutment member 6 can slide along the axial direction of the second hinge shaft 41. In this way, on the one hand, by sleeved the abutment member 6 on the second hinge shaft 41, not only the overall compactness of the hinge mechanism is maintained, but also the stability of the structure is effectively enhanced. This design reduces the need for additional connecting parts, reduces the complexity of assembly, and ensures the stability and accuracy of the abutment member 6 during movement; on the other hand, the abutment member 6 sleeved on the second hinge shaft 41 can be more easily slid and adjusted within a predetermined range, and the user or installer only needs to simply push or pull the abutment member 6 to adjust the position. In addition, due to the close fit between the abutment member 6 and the hinge shaft, the positioning is more accurate, reducing the risk of functional failure or performance degradation caused by position deviation.

[0076] It should be noted that, in some other embodiments, when the hinge cup 1 moves from the middle position to the closed position, the second end of the damper 53 may also be against the transmission rod 3 instead of the driven rod 4. Preferably, in some other embodiments, the abutment 6 is slidably disposed on the transmission rod 3, and the abutment 6 is fixed in a relative position to the transmission rod 3 after the position adjustment is completed so as to move synchronously with the transmission rod 3. More preferably, in some other embodiments, the abutment 6 is sleeved on the first hinge shaft 31, and the abutment 6 can slide along the axial direction of the first hinge shaft 31.

[0077] like Fig.16 As shown, preferably, in this embodiment, one end of the elastic member 52 is provided with a connecting block 521, and the connecting block 521 is abutted against the limiting member 21; more preferably, the connecting block 521 is provided with a connecting groove 5211, and the connecting block 521 abuts against the limiting member 21 through the connecting groove 5211. In this way, the design of the connecting block 521 provides a stable connection point between the elastic member 52 and the limiting member 21, and the close abutment between the connecting groove 5211 and the limiting member 21 ensures that the elastic member 52 can maintain a stable position when subjected to force, and is not prone to displacement or falling off, thereby enhancing the connection stability and reliability of the entire hinge mechanism.

[0078] Preferably, in this embodiment, the elastic member 52 is a compression spring. In this way, on the one hand, the compression spring has a stable elastic force characteristic and can provide a uniform rebound force when compressed by an external force. This characteristic enables the hinge mechanism to maintain a smooth motion trajectory during the opening and closing process, reducing the jamming or abnormal noise caused by uneven elastic force; on the other hand, the shape and size of the compression spring can be customized according to specific needs to adapt to different hinge mechanisms and installation environments; on the other hand, the compression spring is made of high-quality spring steel and has high strength and durability. During long-term use, even if it is frequently compressed and released, the compression spring can maintain good elastic performance and shape stability, extending the service life of the hinge mechanism; on the other hand, the production cost of the compression spring is relatively low, and it is easy to purchase and process, which makes the hinge mechanism using the compression spring as the elastic member 52 more competitive in price and helps to reduce the overall cost.

[0079] like Fig.13 and Fig.14 As shown, preferably, in this embodiment, the limiting member 21 is a pin, and the pin is inserted into the hinge seat 2; thus, on the one hand, the pin, as a commonly used fastener, has a precise size and shape, which can ensure stable insertion in the hinge seat 2. This design not only realizes the precise positioning between the hinge components, but also effectively prevents the relative movement or misalignment between the components, thereby ensuring the stability and reliability of the hinge mechanism; on the other hand, the installation process of the pin is relatively simple, and usually it only needs to be inserted into a predetermined hole and fixed. This design makes the assembly and disassembly of the hinge mechanism easier, reducing the installation and maintenance. On the other hand, the pin is inserted into the hinge seat 2 to form a close fit with the hinge seat 2, thereby enhancing the overall structural strength of the hinge mechanism. This design enables the hinge mechanism to withstand greater loads and impact forces, thereby improving its durability and service life. On the other hand, compared with other complex limit member 21 designs, the use of pins as limit members 21 not only simplifies the structure, but also reduces production costs. This design enables the hinge mechanism to have a higher cost-effectiveness while maintaining high performance, which helps to enhance the market competitiveness of the product.

[0080] Preferably, in this embodiment, the pusher 51 is made of plastic. Of course, in some other embodiments, the pusher 51 can also be made of, but not limited to, metal, which can be selected according to actual needs and is not limited to this.

[0081] It should be noted that, in some other embodiments, the elastic member 52 may also be, but is not limited to, a rubber spring, a polyester spring, a fiberglass spring, a gas spring, a leaf spring, etc., which can be selected according to actual needs and is not limited here.

[0082] It should be noted that, in some other embodiments, the limiting member 21 may also be, but is not limited to, a rubber pad or a metal sheet, etc., which can be selected according to actual needs and is not limited here.

[0083] Embodiment 2

[0084] See also Figures 18 to 29 The main difference between this embodiment and the first embodiment is that: in the extension direction of the elastic member 52, the first hinge shaft 31 is located in front of the second hinge shaft 41, the pusher 51 is provided with a transmission protrusion 514, the transmission rod 3 has a transmission arm 32, the transmission protrusion 514 and the pusher 51 move synchronously, and the transmission arm 32 and the transmission rod 3 move synchronously; Fig.18 , Fig.19 and Fig.21 As shown, when the hinge cup 1 is in the open position, the transmission arm 32 is abutted against the transmission protrusion 514 to limit the sliding of the pusher 51, and under the action of the elastic member 52, the transmission protrusion 514 pushes the transmission arm 32 to keep the transmission rod 3 in the current position; Fig. 22 and Fig.24 As shown, when the hinge cup 1 is in the middle position, the transmission arm 32 rotates to the position to release the sliding restriction on the pusher 51, the elastic member 52 can drive the pusher 51 to slide, and the transmission arm 32 is connected to the transmission protrusion 514. Driven by the transmission protrusion 514, the transmission rod 3 and the driven rod 4 can swing to drive the hinge cup 1 to move to the closed position. The state of the hinge cup 1 moving to the closed position can be specifically referred to Fig.25 and Fig.26 .

[0085] like Fig.21 and Fig.28 As shown, preferably, in the present embodiment, the transmission protrusion 514 is provided with a guide bevel 5141; when the hinge cup 1 is in the open position, the transmission arm 32 is abutted against the guide bevel 5141 to limit the sliding of the pusher 51, and under the action of the elastic member 52, the guide bevel 5141 pushes the transmission arm 32 to keep the transmission rod 3 in the current position; when the hinge cup 1 is in the middle position, the transmission arm 32 releases the sliding restriction on the pusher 51, the elastic member 52 can drive the pusher 51 to slide, the transmission arm 32 is connected to the guide bevel 5141 for transmission, the movement of the transmission protrusion 514 can make the guide bevel 5141 move relative to the transmission arm 32, and driven by the guide bevel 5141 of the transmission protrusion 514, the transmission arm 32 moves along the guide bevel 5141 and then drives the transmission rod 3 to rotate, so that the transmission rod 3 and the driven rod 4 swing to drive the hinge cup 1 to move to the closed position.

[0086] like Fig.19 As shown, preferably, in this embodiment, when the hinge cup 1 moves from the middle position to the closed position, the second end of the damper 53 is disposed against the first hinge shaft 31 of the transmission rod 3 .

[0087] Embodiment 3

[0088] like Fig.30 As shown, the main difference between this embodiment and the second and third embodiments is that the limiting member 21 is a limiting protrusion integrally formed on the articulated seat 2. With such a configuration, on the one hand, the integral forming of the limiting protrusion and the articulated seat 2 avoids the assembly gap between the traditional limiting member 21 and the articulated seat 2, thereby significantly improving the compactness and stability of the overall structure. This design reduces the risk of loosening due to improper assembly or long-term use, and ensures the reliable realization of the limiting function; on the other hand, since the limiting protrusion is directly integrally formed with the articulated seat 2, no additional assembly steps are required, which greatly simplifies the assembly process in the production process, and at the same time, reduces the manpower, material and time costs required for assembly, and improves production efficiency; on the other hand, the integrally formed design makes the connection between the limiting protrusion and the articulated seat 2 more firm and able to withstand greater forces. This design not only improves the durability of the product, but also extends the service life and reduces maintenance costs.

[0089] In summary, the hinge mechanism disclosed in the present invention can at least bring the following beneficial technical effects:

[0090] 1) A linearly retractable elastic member 52 is used to replace the torsion spring, and the assembly between the elastic member 52, the pushing member 51, the transmission rod 3 and the driven rod 4 is relatively simple, thereby improving the assembly efficiency;

[0091] 2) The elastic member 52 provides a linear elastic force. Compared with a torsion spring that provides a rotational elastic force, the elastic member 52 has a longer service life, thereby extending the overall service life of the hinge mechanism;

[0092] 3) By installing the elastic member 52 and the damper 53 together on the pusher 51, a modular design of the power component 5 is achieved. The modular design makes the structure of the power component 5 more compact and reasonable, and simplifies the assembly process of the power component 5;

[0093] 4) The modular power component 5 can be integrally installed to the articulated seat 2. This feature makes the overall assembly process of the hinge mechanism simpler and more stable, improves the stability and reliability of the hinge mechanism, and is not only conducive to improving production efficiency and service life, but also brings convenience to later maintenance and replacement.

[0094] The technical means disclosed in the scheme of the present invention are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical schemes composed of any combination of the above-mentioned technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications are also regarded as the protection scope of the present invention.

Claims

1. A hinge mechanism, characterized in that: include: Hinge cup (1); The hinged seat (2) is provided with a limiting member (21); A transmission rod (3) and a driven rod (4), wherein both ends of the transmission rod (3) and the driven rod (4) are respectively hinged to the hinge cup (1) and the hinge seat (2); under the guidance of the transmission rod (3) and the driven rod (4), the hinge cup (1) can move relative to the hinge seat (2) between an open position, an intermediate position and a closed position; The power component (5) comprises a pushing member (51) and an elastic member (52), wherein the pushing member (51) is slidably disposed on the hinge seat (2), one end of the elastic member (52) is connected to the pushing member (51), and the other end is abutted against the limiting member (21), and the elastic member (52) can be extended and retracted along a first direction to drive the pushing member (51) to slide along the first direction; When the hinge cup (1) is in the open position, the transmission rod (3) is abutted against the pushing member (51) to limit the sliding of the pushing member (51), and under the action of the elastic member (52), the pushing member (51) pushes against the transmission rod (3) to keep the transmission rod (3) in the current position; when the hinge cup (1) is in the middle position, the sliding restriction of the pushing member (51) is released, the elastic member (52) can drive the pushing member (51) to slide, the transmission rod (3) is in transmission connection with the pushing member (51), and under the drive of the pushing member (51), the transmission rod (3) and the driven rod (4) can swing to drive the hinge cup (1) to move to the closed position.

2. The hinge mechanism according to claim 1, characterized in that: The power component (5) further comprises a damper (53), a first end of which is connected to the pushing member (51), and the transmission rod (3) or the driven rod (4) or the hinge seat (2) is provided with a supporting member (6); when the hinge cup (1) moves from the middle position to the closed position, the second end of the damper (53) is abutted against the supporting member (6), and driven by the pushing member (51), the first end of the damper (53) moves toward the second end of the damper (53), and the damper (53) is compressed.

3. The hinge mechanism according to claim 1, characterized in that: The pushing member (51) is provided with a first installation groove (511), the elastic member (52) is arranged in the first installation groove (511), and one end of the elastic member (52) is connected to the groove wall of the first installation groove (511).

4. The hinge mechanism according to claim 2, characterized in that: The pushing member (51) is provided with a second installation groove (512), the damper (53) is arranged in the second installation groove (512), and the first end of the damper (53) is connected to the groove wall of the second installation groove (512).

5. The hinge mechanism according to any one of claims 1 to 4, characterized in that: The transmission rod (3) is hinged to the hinge seat (2) via a first hinge shaft (31), the driven rod (4) is hinged to the hinge seat (2) via a second hinge shaft (41), in the extension direction of the elastic member (52), the first hinge shaft (31) is located behind the second hinge shaft (41), the pushing member (51) is provided with a transmission groove (513), and the transmission rod (3) has a transmission arm (32); When the hinge cup (1) is in the open position, the transmission arm (32) is abutted against the transmission groove (513) to limit the sliding of the pushing member (51), and under the action of the elastic member (52), the transmission groove (513) pushes against the transmission arm (32) to keep the transmission rod (3) in the current position; when the hinge cup (1) is in the middle position, the transmission arm (32) rotates to a position where the sliding restriction on the pushing member (51) is released, the elastic member (52) can drive the pushing member (51) to slide, the transmission arm (32) is in transmission connection with the transmission groove (513), and under the drive of the transmission groove (513), the transmission rod (3) and the driven rod (4) can swing to drive the hinge cup (1) to move to the closed position.

6. The hinge mechanism according to any one of claims 1 to 4, characterized in that: The transmission rod (3) is hinged to the hinge seat (2) via a first hinge shaft (31), and the driven rod (4) is hinged to the hinge seat (2) via a second hinge shaft (41). In the extension direction of the elastic member (52), the first hinge shaft (31) is located in front of the second hinge shaft (41); the pushing member (51) is provided with a transmission protrusion (514), and the transmission rod (3) has a transmission arm (32); When the hinge cup (1) is in the open position, the transmission arm (32) is abutted against the transmission protrusion (514) to limit the sliding of the pushing member (51), and under the action of the elastic member (52), the transmission protrusion (514) pushes the transmission arm (32) to keep the transmission rod (3) in the current position; when the hinge cup (1) is in the middle position, the transmission arm (32) rotates to a position where the sliding restriction on the pushing member (51) is released, the elastic member (52) can drive the pushing member (51) to slide, the transmission arm (32) is in transmission connection with the transmission protrusion (514), and under the drive of the transmission protrusion (514), the transmission rod (3) and the driven rod (4) can swing to drive the hinge cup (1) to move to the closed position.

7. The hinge mechanism according to claim 2, characterized in that: The hinge mechanism further comprises an adjustment structure, the adjustment structure being movably connected to the damper (53), and the adjustment structure being used to adjust the damping effect of the damper (53).

8. The hinge mechanism according to claim 7, characterized in that: The abutting member (6) is slidably arranged on the transmission rod (3) or the driven rod (4) or the hinge seat (2); the abutting member (6) can move between a first position and a second position; the adjusting structure (6) comprises a first step (61) and a second step (62); the first step (61) and the second step (62) are arranged on the abutting member (6); When the hinge cup (1) is in an open position, the distance between the first step (61) and the damper (53) in the first direction is greater than the distance between the second step (62) and the damper (53) in the first direction; When the abutment member (6) is in the first position and the hinge cup (1) moves from the middle position to the closed position, the second end of the damper (53) abuts against the first step (61); when the abutment member (6) is in the second position and the hinge cup (1) moves from the middle position to the closed position, the second end of the damper (53) abuts against the second step (62).

9. The hinge mechanism according to claim 1 or 2 or 3 or 4 or 7 or 8, characterized in that: The limiting member (21) is a pin, and the pin is inserted into the hinge seat (2); or, the limiting member (21) is a limiting protrusion, and the limiting protrusion is integrally formed on the hinge seat (2).

10. The hinge mechanism according to claim 1 or 2 or 3 or 4 or 7 or 8, characterized in that: The elastic member (52) is a compression spring.

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