A stable opening and closing mechanism for furniture hinges

Abstract

A stable opening and closing mechanism for furniture hinges, comprising a connecting arm and a movable cup holder that are mutually hinged and opened and closed through a rocker assembly, a damper and a push piece are arranged on the connecting arm, the damper is positioned and arranged on the connecting arm, a limiting piece is arranged on the push piece, and the push piece is mutually positioned and driven and connected with the rocker assembly through the limiting piece, the push piece is positioned and rotated or swung on the connecting arm through the cooperation of the limiting piece and the rocker assembly, and acts and drives the damper to generate a damping force during the positioning rotation or swinging, so as to realize the mutual damping opening and closing cooperation between the connecting arm and the movable cup holder. The present invention improves the above structure, so that after the push piece is assembled, there will be no displacement on the connecting arm due to the transportation or use of the furniture hinge, thereby ensuring that there will be no interference or jamming problems between the rocker assembly, the connecting rod, the push piece and the damper, ensuring the normal opening and closing of the furniture hinge, and having strong practicality.

Description

Technical Field

[0001] The invention relates to a stable opening and closing mechanism of a furniture hinge. Background Art

[0002] Chinese patent document number CN103306566B disclosed on August 26, 2015 a damper hinge with adjustable door closing speed, comprising a movable cup holder arranged on the furniture door body, a connecting arm arranged on the furniture body, the movable cup holder and the connecting arm are connected by a rocker arm, a damper is arranged in the connecting arm, and an elastic member is arranged in the hinge to at least generate an opening and closing force for the movable cup holder, one end of the damper is arranged on the connecting arm, and the other end is connected to the pendulum block at least during the hinge closing process; an adjusting mechanism is arranged on the connecting arm, the adjusting mechanism includes an eccentric adjusting member and a sliding adjusting member, and the pendulum block at least adjusts the action position through the cooperation of the above two components, so that its transmission force arm changes, so that the force acting on the damper can be adjusted, and the adjustable speed closing of the door body is realized. It is said that when the hinge closing force of the above structure is basically stable, the transmission arm of the swing block is changed through the adjustment mechanism, so that the force acting on the damper can be adjusted, and the door body can be closed at an adjustable speed; however, during transportation or use, the swing block, connecting rod and inner rocker arm are prone to displacement problems, and they are stuck with each other, resulting in the hinge being unable to open and close normally, affecting the hinge's stability and the user's experience. Therefore, further improvements are necessary. Summary of the invention

[0003] The purpose of the present invention is to provide a stable opening and closing mechanism for furniture hinges with a simple and reasonable structure, excellent performance, long service life, compact connection between components, smooth and unimpeded opening and closing process, and safe and reliable, so as to overcome the shortcomings of the prior art.

[0004] A furniture hinge stable opening and closing mechanism designed for this purpose comprises a connecting arm and a movable cup holder which are hinged to each other for opening and closing through a rocker assembly, and is characterized in that a damper and a push piece are arranged on the connecting arm, wherein the damper is positioned on the connecting arm, a limiting piece is arranged on the push piece, and the push piece is positioned and driven to be mutually positioned with the rocker assembly through the limiting piece, the push piece is positioned and rotated or swung on the connecting arm through the cooperation of the limiting piece and the rocker assembly, and acts and drives the damper to generate a damping force when it is positioned, rotated or swung, so as to realize the mutual damping opening and closing cooperation between the connecting arm and the movable cup holder.

[0005] The connecting arm is U-shaped; the left and right sides of the limiting member are respectively matched with the gaps of the left and right side walls of the U-shaped connecting arm; a positioning part is provided on the limiting member, and the positioning part and the push member are mutually positioned and matched.

[0006] The push piece is provided with a positioning and matching portion; the limiting member is positioned and matched with the outer side and / or the inner side of the positioning and matching portion of the push piece through the positioning portion.

[0007] The push piece is U-shaped, and a positioning and matching portion is extended from its U-shaped left side wall and / or right side wall; the limiting piece is positioned and matched with the outer side and / or inner side of the positioning and matching portion of the U-shaped left side wall of the push piece through the positioning portion, and / or is positioned and matched with the outer side and / or inner side of the positioning and matching portion of the U-shaped right side wall of the push piece.

[0008] A limiting step is arranged on the limiting member; a limiting matching portion is also arranged between the left and right U-shaped side walls of the pushing member; the limiting member is mutually limitedly matched with the limiting matching portion of the pushing member through the limiting step.

[0009] The U-shaped left and right side walls of the connecting arm are provided with connecting arm holes, the U-shaped left and right side walls of the pushing member are provided with pushing hole portions, and the limiting member is provided with a limiting hole portion; wherein the connecting arm hole portions, the pushing hole portions and the limiting hole portions are arranged corresponding to each other, and a connecting shaft is passed through each other; the pushing member is rotated or swung on the connecting arm through the cooperation of the connecting shaft and the rocker arm assembly; when the pushing member rotates or swings to a certain position, the limiting member rotates or swings together with the pushing member through the cooperation of the limiting step and the limiting cooperation portion.

[0010] A certain distance is formed between the connecting shaft and the limiting fitting portion; the limiting step extends into the distance and is mutually limitedly fitted with the limiting fitting portion when the push member rotates or swings to a certain position.

[0011] The limiting member is also provided with a wrapping portion, and at least a portion of the connecting shaft is covered by the wrapping portion.

[0012] A base is arranged between the connecting arm and the damper, one end of the damper is positioned on the base or the connecting arm, and the other end interacts with the push piece; the rocker arm assembly comprises an outer rocker arm and an inner rocker arm, and the two ends of the outer and inner rocker arms are respectively hinged to the connecting arm and the movable cup holder; the movable cup holder is opened and closed on the connecting arm by the coordinated hinge of the outer and inner rocker arms, and at least when the hinge is closed, the inner rocker arm acts and drives the push piece to rotate or swing on the connecting arm, and the push piece acts and drives the damper to generate a damping force when it rotates or swings, so as to realize the mutual damping closure between the connecting arm and the movable cup holder.

[0013] The inner rocker arm is located below the outer rocker arm, and its outer end and middle are hinged to the movable cup holder and the connecting arm respectively. A connecting rod is arranged between the inner end and the push piece. The middle part of the connecting rod rotates or swings on the connecting arm, and one end is drivingly connected to the push piece, and the other end is drivingly connected to the inner end of the inner rocker arm. The outer end of the outer rocker arm is hinged to the movable cup holder, and an elastic part is arranged between the inner end and the connecting arm. The outer rocker arm and the connecting arm are elastically hinged through the elastic part to realize the mutual elastic hinged opening and closing cooperation between the connecting arm and the movable cup holder.

[0014] The present invention improves the above structure, and a limiting member is provided on the push member. The limiting member is gap-matched with the left and right side walls of the U-shaped connecting arm, so that the limiting member can be well positioned between the left and right side walls of the U-shaped connecting arm after assembly; and the limiting member can be mutually positioned and matched with the outer side and / or inner side of the positioning matching portion of the push member through the positioning portion arranged thereon, so that the assembly position of the push member can be effectively positioned, so that after the push member is assembled, there will be no displacement on the connecting arm due to the transportation or use of the furniture hinge, thereby ensuring that there will be no interference or jamming problems between the rocker arm assembly, the connecting rod, the push member and the damper, and ensuring the normal opening and closing of the furniture hinge; and the limiting member can be mutually limited and matched with the limiting matching portion of the push member through the limiting step arranged thereon, so that the limiting member can be moved when the push member rotates or swings to When the furniture hinge is in a certain position, it rotates or swings with the pushing piece, which can not only further ensure that the pushing piece will not be displaced after assembly, but also improve the force transmission efficiency of the furniture hinge during the opening and closing process, and avoid the problem that the force generated by the furniture hinge during opening and closing can only be transmitted through a very small number of components in the prior art, resulting in poor opening and closing stability of the furniture hinge and easy damage to the components, so that the opening and closing process of the furniture hinge is more stable and smooth; at the same time, the limiting piece can also cover at least part of the connecting shaft through the wrapping part arranged thereon, which can effectively reduce the bending of the connecting shaft or the jamming caused by the entry of foreign objects during the use of the furniture hinge, so as to improve the use stability of the connecting shaft, and the limiting step can also extend into the spacing formed between the connecting shaft and the limiting matching part, thereby improving the compactness of the connection between the components.

[0015] In general, it has the characteristics of simple and reasonable structure, excellent performance, long service life, compact connection between components, smooth and smooth opening and closing process, no interference, no jamming, safe and reliable, and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 FIG. 1 is a schematic diagram of the exploded structure of the first embodiment of the present invention.

[0017] Figure 2 It is a schematic diagram of the assembly structure of the first embodiment of the present invention.

[0018] Figure 3 It is another schematic diagram of a half-section structure of the first embodiment of the present invention.

[0019] Figure 4 It is a schematic cross-sectional structural diagram of the open state of the first embodiment of the present invention.

[0020] Figure 5 It is a schematic cross-sectional structural diagram of the closed state of the first embodiment of the present invention.

[0021] Figure 6 It is another cross-sectional structural schematic diagram of the first embodiment of the present invention.

[0022] Figure 7 , Figure 8 Schematic diagram of the limiting member structure of the first embodiment of the present invention. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0024] See also Figure 1-Figure 8 The furniture hinge stable opening and closing mechanism comprises a connecting arm 1 and a movable cup holder 2 which are hinged to each other for opening and closing through a rocker assembly. A damper 3 and a push piece 4 are arranged on the connecting arm 1, wherein the damper 3 is positioned on the connecting arm 1, a limiting member 5 is arranged on the push piece 4, and the push piece 4 is mutually positioned and driven with the rocker assembly through the limiting member 5. The push piece 4 is positioned and rotated or swung on the connecting arm 1 through the cooperation of the limiting member 5 and the rocker assembly, and acts and drives the damper 3 to generate a damping force when it is positioned, rotated or swung, so as to realize the mutual damping opening and closing cooperation between the connecting arm 1 and the movable cup holder 2.

[0025] The connecting arm 1 is U-shaped; the limiting member 5 is made of plastic, and its left and right sides are respectively matched with the gaps of the left and right side walls of the U-shape of the connecting arm 1, and a positioning portion 6 is provided on the limiting member 5, and the positioning portion 6 is mutually positioned and matched with the push member 4.

[0026] The push member 4 is provided with a positioning and matching portion 7 ; the limiting member 5 is positioned and matched with the outer side and / or the inner side of the positioning and matching portion 7 of the push member 4 through the positioning portion 6 .

[0027] The push piece 4 is U-shaped, and a positioning and fitting portion 7 is extended from its U-shaped left side wall and / or right side wall; the limiting piece 5 is positioned and fitted with the outer side and / or inner side of the positioning and fitting portion 7 of the U-shaped left side wall of the push piece 4 through the positioning portion 6, and / or is positioned and fitted with the outer side and / or inner side of the positioning and fitting portion 7 of the U-shaped right side wall of the push piece 4.

[0028] A limiting step 8 is provided on the limiting member 5; a limiting matching portion 9 is also provided between the left and right side walls of the U-shaped push member 4; the limiting member 5 is mutually limitedly matched with the limiting matching portion 9 of the push member 4 through the limiting step 8.

[0029] The connecting arm 1 is provided with connecting arm holes 10 on the left and right side walls of the U-shape, the pushing member 4 is provided with pushing hole 11 on the left and right side walls of the U-shape, and the limiting member 5 is provided with a limiting hole 12; wherein, the connecting arm hole 10, the pushing hole 11 and the limiting hole 12 are provided corresponding to each other, and a connecting shaft 13 is passed through each other; the pushing member 4 is rotated or swung on the connecting arm 1 through the cooperation of the connecting shaft 13 and the rocker arm assembly; when the pushing member 4 is rotated or swung to a certain position, the limiting member 5 rotates or swings together with the pushing member 4 through the cooperation of the limiting step 8 and the limiting matching portion 9.

[0030] A certain distance is formed between the connecting shaft 13 and the limiting fitting portion 9; the limiting step 8 extends into the distance and is mutually limitedly fitted with the limiting fitting portion 9 when the pusher 4 rotates or swings to a certain position.

[0031] A wrapping portion 14 is also provided on the limiting member 5 , and at least a portion of the connecting shaft 13 is covered by the wrapping portion 14 .

[0032] A base 15 is provided between the connecting arm 1 and the damper 3, one end of the damper 3 is positioned on the base 15 or the connecting arm 1, and the other end interacts with the push piece 4; the rocker arm assembly comprises an outer rocker arm 16 and an inner rocker arm 17, and the two ends of the outer and inner rockers are respectively hinged to the connecting arm 1 and the movable cup holder 2; the movable cup holder 2 is opened and closed on the connecting arm 1 by the coordinated hinge of the outer and inner rockers, and at least when the hinge is closed, the push piece 4 is driven by the inner rocker arm 17 to rotate or swing on the connecting arm 1, and the push piece 4 acts and drives the damper 3 to generate a damping force when rotating or swinging, so as to realize the mutual damping closure between the connecting arm 1 and the movable cup holder 2.

[0033] The inner rocker arm 17 is located below the outer rocker arm 16, and its outer end and middle are hinged to the movable cup holder 2 and the connecting arm 1 respectively. A connecting rod 18 is arranged between the inner end and the push piece 4. The middle part of the connecting rod 18 rotates or swings on the connecting arm 1, and one end is drivingly connected to the push piece 4, and the other end is drivingly connected to the inner end of the inner rocker arm 17; the outer end of the outer rocker arm 16 is hinged to the movable cup holder 2, and an elastic member 19 is arranged between the inner end and the connecting arm 1. The outer rocker arm 16 and the connecting arm 1 are elastically hinged through the elastic member 19 to realize the mutual elastic hinged opening and closing cooperation between the connecting arm 1 and the movable cup holder 2.

[0034] The accompanying drawings are only for illustrative purposes and are schematic diagrams rather than actual drawings, and should not be construed as limitations on this patent. In order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. It is understandable to those skilled in the art that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0035] Moreover, the same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "lateral", "longitudinal", "top", "bottom", "inside", "outside" and the like indicating orientations or positional relationships, they are all based on the orientations or positional relationships shown in the drawings, which 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 orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent.

Claims

1. A furniture hinge stable opening and closing mechanism, comprising a connecting arm (1) and a movable cup holder (2) which are mutually hingedly opened and closed through a rocker assembly, characterized in that: The connecting arm (1) is provided with a damper (3) and a pusher (4), wherein the damper (3) is positioned and arranged on the connecting arm (1), and the pusher (4) is provided with a limiting member (5), and is mutually positioned and driven to be connected with the rocker assembly through the limiting member (5); the pusher (4) is positioned and rotated or swung on the connecting arm (1) through the cooperation of the limiting member (5) and the rocker assembly, and acts and drives the damper (3) to generate a damping force during the positioning rotation or swinging, so as to realize the mutual damping opening and closing cooperation between the connecting arm (1) and the movable cup holder (2); The connecting arm (1) is U-shaped; the left and right sides of the limiting member (5) are respectively clearance-matched with the left and right side walls of the U-shape of the connecting arm (1); a positioning portion (6) is provided on the limiting member (5), and the positioning portion (6) and the push member (4) are mutually positioned and matched; The push member (4) is provided with a positioning and matching portion (7); the limiting member (5) is positioned and matched with the outer side and / or the inner side of the positioning and matching portion (7) of the push member (4) through the positioning portion (6); The push member (4) is U-shaped, and a positioning matching portion (7) is extended from the left side wall and / or the right side wall of the U-shape; the limiting member (5) is mutually positioned and matched with the outer side and / or the inner side of the positioning matching portion (7) of the left side wall of the U-shape of the push member (4) through the positioning portion (6), and / or mutually positioned and matched with the outer side and / or the inner side of the positioning matching portion (7) of the right side wall of the U-shape of the push member (4); The limiting member (5) is provided with a limiting step (8); a limiting matching portion (9) is also provided between the left and right U-shaped side walls of the pushing member (4); the limiting member (5) is mutually limitedly matched with the limiting matching portion (9) of the pushing member (4) through the limiting step (8); The limiting member (5) is also provided with a wrapping portion (14), and at least a portion of the connecting shaft (13) is wrapped by the wrapping portion (14).

2. The furniture hinge stable opening and closing mechanism according to claim 1, characterized in that: The U-shaped left and right side walls of the connecting arm (1) are provided with connecting arm holes (10), the U-shaped left and right side walls of the push member (4) are provided with push hole portions (11), and the limiting member (5) is provided with a limiting hole portion (12); wherein the connecting arm hole portion (10), the push hole portion (11) and the limiting hole portion (12) are arranged corresponding to each other, and a connecting shaft (13) is inserted between them; the pushing member (4) is rotated or swung on the connecting arm (1) through the cooperation of the connecting shaft (13) and the rocker arm assembly; when the pushing member (4) is rotated or swung to a certain position, the limiting member (5) is rotated or swung together with the pushing member (4) through the cooperation of the limiting step (8) and the limiting matching portion (9).

3. The furniture hinge stable opening and closing mechanism according to claim 1, characterized in that: A certain distance is formed between the connecting shaft (13) and the limiting fitting portion (9); the limiting step (8) extends into the distance and is mutually limitedly fitted with the limiting fitting portion (9) when the push member (4) rotates or swings to a certain position.

4. The furniture hinge stable opening and closing mechanism according to any one of claims 1 to 3, characterized in that: A base (15) is arranged between the connecting arm (1) and the damper (3), one end of the damper (3) is positioned on the base (15) or the connecting arm (1), and the other end interacts with the push piece (4); the rocker arm assembly comprises an outer rocker arm (16) and an inner rocker arm (17), and the two ends of the outer rocker arm and the inner rocker arm are respectively hinged to the connecting arm (1) and the movable cup holder (2); the movable cup holder (2) is opened and closed on the connecting arm (1) through the coordinated hinge connection of the outer rocker arm and the inner rocker arm, and at least when the hinge is closed, the inner rocker arm (17) acts and drives the push piece (4) to rotate or swing on the connecting arm (1); when the push piece (4) rotates or swings, the push piece (4) acts and drives the damper (3) to generate a damping force, so as to realize the mutual damping closure between the connecting arm (1) and the movable cup holder (2).

5. The furniture hinge stable opening and closing mechanism according to claim 4, characterized in that: The inner rocker arm (17) is located below the outer rocker arm (16), and its outer end and middle part are respectively hinged to the movable cup holder (2) and the connecting arm (1). A connecting rod (18) is arranged between the inner end and the pusher (4). The middle part of the connecting rod (18) rotates or swings on the connecting arm (1), and one end of the connecting rod (18) is drivingly connected to the pusher (4), and the other end is drivingly connected to the inner end of the inner rocker arm (17). The outer end of the outer rocker arm (16) is hinged to the movable cup holder (2), and an elastic member (19) is arranged between the inner end and the connecting arm (1). The outer rocker arm (16) and the connecting arm (1) are elastically hinged through the elastic member (19) to realize the mutual elastic hinged opening and closing cooperation between the connecting arm (1) and the movable cup holder (2).

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