Damping buffer hinge

Abstract

A damping buffer hinge comprises a fixed seat assembly and a movable seat assembly which are hinged to be opened and closed, the fixed seat assembly comprises a connecting arm, the movable seat assembly comprises a transmission component, a rocker arm component and a hinge cup, a damper is arranged on the fixed seat assembly, one end of the connecting arm is hinged to the rocker arm component, and the rocker arm component is hinged to the hinge cup. The transmission component is hinged to the connecting arm, one end of the transmission component acts on the rocker arm component, the other end of the transmission component acts on the damper, the rocker arm component is in coupling transmission connection with the damper through the transmission component, the rocker arm component acts on the damper through the transmission component in the hinge closing process, and hinge buffering closing is achieved. According to the hinge, the transmission component, the rocker arm component and the damper are arranged, the rocker arm component is in coupling transmission connection with the damper through the transmission component, when the hinge starts to be closed, the rocker arm component transmits force to the damper through the transmission component, and through the coupling transmission connection, the hinge can be closed stably and slowly in the closing process.

Description

Technical Field

[0001] This utility model relates to the field of hinge technology, and in particular to a damping buffer hinge. Background Technology

[0002] Chinese Patent Document No. CN118835892A, published on October 25, 2024, discloses a hinge with adjustable closing speed, comprising a fixed seat assembly and a movable seat assembly hinged together for opening and closing. The movable seat assembly includes an inner rocker arm, an outer rocker arm, and a hinge cup. The inner rocker arm is used to limit the installation of a damping mechanism, with one end of the damping mechanism acting on the inner rocker arm. The fixed seat assembly and the outer rocker arm are respectively hinged to the inner rocker arm. An adjustment mechanism is provided on the outer rocker arm, and the outer rocker arm is hinged to the hinge cup. The adjustment mechanism includes an adjustment element and a movable block acting on the damping mechanism during hinge closing. The outer rocker arm and the movable block are respectively connected to the adjustment element. The adjustment element moves and drives the movable block to move on the outer rocker arm to adjust the installation position of the movable block on the outer rocker arm, thereby adjusting the stroke of the compression damping mechanism during hinge closing. After the position of the movable block acting on the damping mechanism changes during hinge closing, the closing speed of the hinge is ultimately adjusted. This hinge cannot achieve a smooth and slow closing during the closing process and is quite noisy.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of this invention is to provide a storage cabinet with a simple structure, smooth closing, low noise, long service life, and high practicality, which can independently control the temperature and humidity of the storage box, in order to overcome the shortcomings of the prior art.

[0005] A damping buffer hinge designed for this purpose includes a fixed seat assembly and a movable seat assembly that are hinged together for opening and closing. The fixed seat assembly includes a connecting arm, and the movable seat assembly includes a transmission component, a rocker arm component, and a hinge cup. A damper is provided on the fixed seat assembly. One end of the connecting arm is hinged to the rocker arm component, the rocker arm component and the hinge cup are hinged to each other, and the transmission component is hinged to the connecting arm. One end of the transmission component acts on the rocker arm component, and the other end acts on the damper. The rocker arm component is coupled to the damper through the transmission component. During hinge closing, the rocker arm component acts on the damper through the transmission component, achieving buffered hinge closing.

[0006] The fixed base assembly includes a fixed base that mates with the connecting arm. One end of the connecting arm extends downward and mates with the hinge cup. When the hinge is closed, one end face of the fixed base and one end face of the hinge cup are relatively parallel.

[0007] The adjusting member is arranged on the connecting arm and comprises a first adjusting piece and a movable arm, the connecting arm is connected with the first adjusting piece and the movable arm respectively, the movable arm is hingedly connected with the transmission member, the first adjusting piece drives the movable arm to move on the connecting arm when adjusting, and then the force of the transmission member acting on the damper is adjusted, and finally the closing speed of the hinge is adjusted.

[0008] The transmission member is hingedly connected with an acting piece for acting on the damper during the closing process of the hinge, and the distance L between the hinged joint of the movable arm and the transmission member and the rotating joint of the acting piece and the transmission member is adjusted when the movable arm moves, and then the force of the transmission member acting on the damper is adjusted.

[0009] The movable arm and the transmission member are hingedly connected through a first shaft body, and the movable arm and the connecting arm are connected through the first shaft body, the connecting arm is provided with a first movable hole, and the first shaft body is limited to move on the first movable hole when the movable arm moves, and then the movable arm is limited to move on the connecting arm.

[0010] The adjusting structure is arranged between the connecting arm and the fixed seat, the adjusting structure comprises a second adjusting piece arranged on the connecting arm and an adjusting matching part arranged on the fixed seat, the second adjusting piece moves on the adjusting matching part when adjusting, and drives the connecting arm to move on the fixed seat, so as to adjust the gap size between the furniture wall plate and the furniture door plate when the hinge is closed.

[0011] The fixed seat and the connecting arm are connected through a second shaft body, the fixed seat is provided with a second movable hole, and the second shaft body is limited to move on the second movable hole when the connecting arm moves, so as to limit the movement of the connecting arm on the fixed seat.

[0012] The rocker member comprises an inner rocker and an outer rocker, the inner rocker is hingedly connected with the connecting arm and the hinge cup respectively, the outer rocker is hingedly connected with the connecting arm and the hinge cup respectively, the inner rocker is in transmission contact with the transmission member, the outer rocker is provided with an elastic piece, the elastic piece is provided with a first supporting leg and a second supporting leg, the first supporting leg elastically acts on the inner side of the connecting arm, and the second supporting leg elastically acts on the inner rocker, so as to realize the elastic opening and closing of the hinge.

[0013] The inner rocker is provided with a first roller and a second roller, the transmission member is in rolling contact with the first roller and the second roller respectively when the hinge is opened and closed, and transmission is realized.

[0014] The transmission member comprises a first transmission arm, a second transmission arm and an acting piece, the first transmission arm is hingedly connected with the acting piece, the second transmission arm is in transmission contact with the inner rocker, the second transmission arm is provided with a third roller, the first transmission arm is in rolling contact with the third roller when the hinge is opened and closed, and transmission is realized.

[0015] The damping buffer hinge is characterized in that the transmission member, the rocker arm member and the damper are arranged, the rocker arm member is coupled and transmissionally connected with the damper through the transmission member, when the hinge starts to close, the rocker arm member transmits force to the damper through the transmission member, through the coupled transmission connection, the hinge can realize smooth and slow closing in the closing process, sudden impact and noise are avoided, in addition, through the ingenious design of the transmission member and the rocker arm member, the effective coupling of the damper and the hinge is realized, the structure is compact and the function is reliable. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is whole structure schematic view when the hinge closes in the embodiment of the utility model.

[0017] Figure 2 It is whole structure schematic view when the hinge opens in the embodiment of the utility model.

[0018] Figure 3 It is sectional view when the hinge closes in the embodiment of the utility model.

[0019] Figure 4 It is sectional view when the hinge opens in the embodiment of the utility model.

[0020] Figure 5 It is partial structure schematic view of the hinge in the embodiment of the utility model.

[0021] Figure 6 It is partial structure schematic view of the hinge in another orientation in the embodiment of the utility model.

[0022] Figure 7 It is partial structure sectional view of the hinge in the embodiment of the utility model.

[0023] Figure 8 It is exploded structure schematic view of the hinge in the embodiment of the utility model. DETAILED DESCRIPTION

[0024] The utility model will be further described in connection with the drawings and embodiments.

[0025] Reference Figures 1-8The damping buffer hinge comprises a fixed seat assembly 1 and a movable seat assembly 2 which are hingedly opened and closed, the fixed seat assembly 1 comprises a connecting arm 3, the movable seat assembly 2 comprises a transmission member 4, a rocker arm member 5 and a hinge cup 6, the fixed seat assembly 1 is provided with a damper 7, one end of the connecting arm 3 is hingedly connected with the rocker arm member 5, the rocker arm member 5 and the hinge cup 6 are hingedly connected with each other, the transmission member 4 is hingedly connected with the connecting arm 3, one end of the transmission member 4 acts on the rocker arm member 5, the other end of the transmission member 4 acts on the damper 7, the rocker arm member 5 is coupled and transmissionally connected with the damper 7 through the transmission member 4, the rocker arm member 5 acts on the damper 7 through the transmission member 4 in the process of closing the hinge, so that the hinge is closed in a buffer mode; when the hinge starts to be closed, the rocker arm member 5 transmits the force to the damper 7 through the transmission member 4, the damper 7 generates a damping force, so as to slow down the movement speed of the rocker arm member 5, thereby slowing down the closing speed of the hinge; through the coupled transmission connection, the hinge can be closed in a smooth and slow mode in the closing process, sudden impact and noise are avoided, the existence of the damper 7 enables the hinge to be slowly closed when being closed, impact and noise are reduced, the service life of the hinge is prolonged, and the hinge is particularly suitable for application scenes which need to be closed in a mute and soft mode.

[0026] The fixed seat assembly 1 comprises a fixed seat 8 which is connected with the connecting arm 3, one end of the connecting arm 3 extends downward and is connected with the hinge cup 6, in the closed state of the hinge, one end surface 31 of the fixed seat 8 and one end surface 32 of the hinge cup 6 are relatively parallel; the fixed seat 8 is fixed on a furniture wall plate 9, the hinge cup 6 is connected with a furniture door plate 10, when the hinge is closed (i.e. when the door is closed), the furniture wall plate 9 and the furniture door plate 10 are parallel to each other, when the hinge is opened (i.e. when the door is opened), there is an angle between the furniture wall plate 9 and the furniture door plate 10.

[0027] The connecting arm 3 is provided with an adjusting member, the adjusting member comprises a first adjusting piece 11 and a movable arm 12, the connecting arm 3 is connected with the first adjusting piece 11 and the movable arm 12, the movable arm 12 is hingedly connected with the transmission member 4, when the first adjusting piece 11 is adjusted, the movable arm 12 and the transmission member 4 (a first transmission arm 24) are driven to move on the connecting arm 3, thereby adjusting the force of the transmission member 4 acting on the damper 7, and finally adjusting the closing speed of the hinge.

[0028] The transmission member 4 (the first transmission arm 24) is rotationally connected with an acting piece 29 which is used for acting on the damper 7 in the process of closing the hinge, the acting piece 29 is connected with a piston rod 34 of the damper 7, when the movable arm 12 moves, the distance L between the hinged joint of the movable arm 12 and the transmission member 4 (the first transmission arm 24) and the rotating joint of the acting piece 29 and the transmission member 4 (the first transmission arm 24) is adjusted, thereby adjusting the force of the transmission member 4 acting on the damper 7.

[0029] The first adjusting component 11 can be an eccentric adjusting screw or an adjusting plate. In this embodiment, the first adjusting component 11 is an eccentric adjusting screw. The bottom of the screw head of the first adjusting component 9 is provided with an annular limiting boss that limits the slot of the connecting arm 3. The eccentric shaft of the first adjusting component 11 is inserted into the shaft hole of the movable arm 12. The eccentric adjusting screw rotates steplessly between the connecting arm 3 and the movable arm 12.

[0030] The movable arm 12 and the transmission component 4 (first transmission arm 24) are hinged to each other through the first shaft 30, and the movable arm 12 and the connecting arm 3 are connected through the first shaft 30. The connecting arm 3 is provided with a first movable hole 13. When the movable arm 12 moves, the first shaft 30 is limited to move in the first movable hole 13, thereby limiting the movable arm 12 to move in the connecting arm 3.

[0031] An adjustment structure is provided between the connecting arm 3 and the fixed seat 8. The adjustment structure includes a second adjustment member 14 provided on the connecting arm 3 and an adjustment mating part 15 provided on the fixed seat 8. When the second adjustment member 14 is adjusted, it moves on the adjustment mating part 15 and drives the connecting arm 3 to move back and forth on the fixed seat 8 to adjust the size of the gap 16 between the furniture wall panel 9 and the furniture door panel 10 when the hinge is closed.

[0032] In this embodiment, the second adjusting member 14 is an adjusting plate with a spiral groove. The adjusting mating part 15 consists of three arc-shaped protrusions arranged at intervals. When the adjusting plate rotates, the arc-shaped protrusions are at different positions in the spiral groove, forming a stepped positioning rotation of the adjusting plate between the connecting arm 3 and the fixed seat 8. The outer side of the adjusting plate can be limited to the slot hole of the fixed seat 8.

[0033] The fixed base 8 and the connecting arm 3 are connected by a second shaft 27. The fixed base 8 is provided with a second movable hole 28. When the connecting arm 3 moves, the second shaft 27 is limited to move in the second movable hole 28, so that the connecting arm 3 is limited to move in the fixed base 8.

[0034] The rocker arm component 5 includes an inner rocker arm 17 and an outer rocker arm 18. The inner rocker arm 17 is hinged to the connecting arm 3 and the hinge cup 6, respectively. The outer rocker arm 18 is hinged to the connecting arm 3 and the hinge cup 6, respectively. The inner rocker arm 17 is in transmission contact with the transmission component 4. An elastic element 19 is installed at the upper limit of the outer rocker arm 18. The elastic element 19 is a torsion spring. The elastic element 19 is provided with a first support leg 20 and a second support leg 21. The first support leg 20 elastically acts on the inner side of the connecting arm 3, and the second support leg 21 elastically acts on the third shaft 33 of the inner rocker arm 17 to realize the elastic opening and closing of the hinge.

[0035] The inner rocker arm 17 is provided with a first roller 22 and a second roller 23. When the hinge is open or closed, the transmission component 4 rolls into contact with the first roller 22 and the second roller 23 respectively to realize transmission. When the hinge is open, the second transmission arm 25 rolls into contact with the first roller 22 and the second roller 23 in sequence. When the hinge is closed, the second transmission arm 25 rolls into contact with the second roller 23 and the first roller 22 in sequence.

[0036] The transmission component 4 includes a first transmission arm 24, a second transmission arm 25, and an actuating element 29. The first transmission arm 24 is hinged to the actuating element 29. The second transmission arm 25 is in transmission (rolling) contact with the inner rocker arm 17. A third roller 26 is provided on the second transmission arm 25. When the hinge is opened and closed, the first transmission arm 24 and the third roller 26 are in rolling contact to realize transmission.

[0037] The fixed base 8 includes a base plate 35 and a connector 36 that are connected to each other. The base plate 35 is fixed to the furniture wall panel 9, the connector 36 is connected to the connecting arm 3, and the damper 7 is installed on the connector 36.

[0038] The above describes the preferred embodiments of this utility model, illustrating and describing its basic principles, main features, and advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made without departing from the spirit and scope of this utility model, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A damping buffer hinge comprising a fixed seat assembly (1) and a movable seat assembly (2) hingedly open to each other, characterized in that: The fixed seat assembly (1) comprises a connecting arm (3), the movable seat assembly (2) comprises a transmission member (4), a rocker arm member (5) and a hinge cup (6), the fixed seat assembly (1) is provided with a damper (7), one end of the connecting arm (3) is hingedly connected with the rocker arm member (5), the rocker arm member (5) and the hinge cup (6) are hingedly connected with each other, the transmission member (4) is hingedly connected with the connecting arm (3), one end of the transmission member (4) acts on the rocker arm member (5), the other end of the transmission member (4) acts on the damper (7), the rocker arm member (5) is coupled and transmissionally connected with the damper (7) through the transmission member (4), the rocker arm member (5) acts on the damper (7) through the transmission member (4) in the hinge closing process, and the hinge buffer closing is realized.

2. The damper bumping hinge according to claim 1, wherein: The fixed seat assembly (1) comprises a fixed seat (8) which is connected with the connecting arm (3), one end of the connecting arm (3) extends downward and is connected with the hinge cup (6), and the fixed seat (8) is in a hinge closing state, and the relative parallelism is formed between one end surface (31) of the fixed seat (8) and one end surface (32) of the hinge cup (6).

3. The damper bumping hinge according to claim 1, wherein: The connecting arm (3) is provided with an adjusting member, the adjusting member comprises a first adjusting piece (11) and a movable arm (12), the connecting arm (3) is connected with the first adjusting piece (11) and the movable arm (12) in a matched mode, the movable arm (12) is hingedly connected with the transmission member (4), the first adjusting piece (11) drives the movable arm (12) to move on the connecting arm (3) when the first adjusting piece (11) is adjusted, and then the force of the transmission member (4) acting on the damper (7) is adjusted, and finally the closing speed of the hinge is adjusted.

4. The damper bumping hinge according to claim 3, wherein: The transmission member (4) is rotationally connected with an acting piece (29) for acting on the damper (7) in the hinge closing process, the distance L between the hinged joint of the movable arm (12) and the transmission member (4) and the rotating joint of the acting piece (29) and the transmission member (4) is adjusted when the movable arm (12) moves, and then the force of the transmission member (4) acting on the damper (7) is adjusted.

5. The damper bumping hinge according to claim 3, wherein: The movable arm (12) and the transmission member (4) are hingedly connected through a first shaft body (30), the movable arm (12) and the connecting arm (3) are connected through the first shaft body (30) in a matched mode, the connecting arm (3) is provided with a first movable hole (13), the first shaft body (30) is limited to move on the first movable hole (13) when the movable arm (12) moves, and then the movable arm (12) is limited to move on the connecting arm (3).

6. The damped bumping hinge according to claim 2, wherein: The connecting arm (3) and the fixed seat (8) are provided with an adjusting structure, the adjusting structure comprises a second adjusting piece (14) arranged on the connecting arm (3) and an adjusting matching part (15) arranged on the fixed seat (8), the second adjusting piece (14) moves on the adjusting matching part (15) when the second adjusting piece (14) is adjusted, and drives the connecting arm (3) to move on the fixed seat (8), so that the gap (16) between the furniture wall plate (9) and the furniture door plate (10) when the hinge is closed is adjusted.

7. The damper bumping hinge of claim 2, wherein: The fixed seat (8) is connected with the connecting arm (3) through the second shaft body (27), and the second active hole (28) is arranged on the fixed seat (8), the second shaft body (27) is limited to move on the second active hole (28) when the connecting arm (3) moves, so that the connecting arm (3) is limited to move on the fixed seat (8).

8. The damper bumping hinge of claim 1, wherein: The rocker member (5) comprises an inner rocker (17) and an outer rocker (18), the inner rocker (17) is hinged with the connecting arm (3) and the hinge cup (6) respectively, the outer rocker (18) is hinged with the connecting arm (3) and the hinge cup (6) respectively, the inner rocker (17) is in transmission contact with the transmission member (4), the elastic member (19) is limited to be installed on the outer rocker (18), the first supporting leg (20) and the second supporting leg (21) are arranged on the elastic member (19), the first supporting leg (20) is elastically acted on the inner side of the connecting arm (3), and the second supporting leg (21) is elastically acted on the inner rocker (17), so that the hinge is elastically opened and closed.

9. The damper bumping hinge according to claim 8, wherein: The first roller shaft (22) and the second roller shaft (23) are arranged on the inner rocker (17), the transmission member (4) is in rolling contact with the first roller shaft (22) and the second roller shaft (23) when the hinge is opened and closed, and transmission is realized.

10. The damper bumping hinge according to claim 9, wherein: The transmission member (4) comprises the first transmission arm (24), the second transmission arm (25) and the acting member (29), the first transmission arm (24) is hinged with the acting member (29), the second transmission arm (25) is in transmission contact with the inner rocker (17), the third roller shaft (26) is arranged on the second transmission arm (25), the first transmission arm (24) is in rolling contact with the third roller shaft (26) when the hinge is opened and closed, and transmission is realized.

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