CN211144127U

CN211144127U - Damping-adjustable two-stage force hinge

Info

Publication number: CN211144127U
Application number: CN201921605612.8U
Authority: CN
Inventors: 黑学智; 邢望
Original assignee: Guangdong Kubo Precision Technology Co ltd
Current assignee: Guangdong Kubo Precision Technology Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-07-31
Anticipated expiration: 2029-09-25

Abstract

The utility model provides a two-section power hinge that damping is adjustable, locate the torsional spring on the first pivot that the hinge arm front end was equipped with including hinge arm, directional slip set up damping subassembly, pin joint on the hinge arm in the interior rocker and the cover of hinge arm front end, damping subassembly's flexible end supports and leans on the torsional spring the pin joint has can push up the complex regulating unit with damping subassembly mutually on the hinge arm, through twisting the flexible working stroke of twisting this regulating unit in order to change damping subassembly, makes the hinge when closing the action through above-mentioned mode, has the not cushioning angle of equidimension, and convenient operation is simple swift.

Description

Damping-adjustable two-stage force hinge

Technical Field

The utility model belongs to the technical field of furniture hinge's technique and specifically relates to indicate a damping adjustable two-stage power hinge.

Background

The hinge is widely used in the field of furniture, the types of the hinge comprise a first-stage force hinge, a second-stage force hinge and a third-stage force hinge, in the hinge structures such as a door hinge structure with three-stage force in Chinese patent CN109854107A, a CN109667508A second-stage force damping hinge and the like, the hinge only simply applies the two-stage force or the three-stage force to play a role in slowing down the closing action of the hinge, the actual application scenes of the hinge are very many, different installation conditions have differences on the slowing down requirements, effective adjustment cannot be carried out according to the actual conditions, certain limitation exists, and the universality of the hinge product is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, provide a damping adjustable two-stage power hinge wide in application, easily adjust.

In order to realize foretell purpose, the utility model provides a damping adjustable two-stage power hinge, including articulated arm, directional slip set up damping subassembly on the articulated arm, pin joint locate the torsional spring on the first pivot that the articulated arm front end was equipped with in the interior rocker and the cover of articulated arm front end, damping subassembly's flexible end supports and leans on the torsional spring the pin joint has can push up to touch complex adjusting unit with damping subassembly mutually on the articulated arm, through revolving the flexible working stroke who twists this adjusting unit in order to change damping subassembly.

Furthermore, the damping component comprises a damping fixing sleeve and a damper embedded on the damping fixing sleeve, wherein an eccentric part is formed on the adjusting unit, and the outer contour of the front end of the eccentric part can be abutted against a step surface preset at the top end of the damping fixing sleeve by screwing the adjusting unit.

Furthermore, the tail end of the inner rocker is formed with at least one bent hook part which can be abutted and matched with a shifting block preformed on the damping fixing sleeve so as to drive the damping component to move towards the front end direction of the hinged arm.

Furthermore, at least two straight edges with different eccentric distances are formed on the outer contour of the eccentric part, wherein any one straight edge is rotated to the front end position of the eccentric part and is abutted against the step surface of the damping fixing sleeve by screwing the adjusting unit.

Furthermore, at least one limiting part for limiting and stopping the outer contour of the eccentric part is formed on the inner top wall of the hinged arm.

Further, the tail end of interior rocker is equipped with the first portion of leaning on that leans on that supplies the first stabilizer blade counterbalance of torsional spring to lean on, the second stabilizer blade of torsional spring supports and leans on the interior roof in the hinge arm.

Further, the first abutting part is a roller which is pivoted on a flap preformed at the tail end of the inner rocker.

The utility model adopts the above technical scheme, its beneficial effect lies in: at first through with the regulating unit pin joint on the hinge arm, utilize regulating unit and damping component's conflict effect afterwards to realize revolving to twist the regulating unit and just change damping component's flexible working stroke, and then realize having not equidimension buffering angle when closing the action to the hinge, let the hinge can adjust the operation according to actual installation demand, convenient operation is simple swift.

Drawings

Fig. 1 is an assembly view of the hinge according to the first embodiment.

Fig. 2 is an exploded view of the hinge of the first embodiment.

Fig. 3 is a schematic view showing an opened state of the hinge of the embodiment.

Fig. 4 is a schematic view of a closed state of the hinge of the embodiment.

Fig. 5 is a schematic view of an embodiment of a hinge arm.

FIG. 6 is a schematic view of a damping assembly of an embodiment.

FIG. 7 is a schematic view of an inner rocker according to the first embodiment.

Fig. 8 is a schematic view of a torsion spring of an embodiment.

Fig. 9 is a schematic view of an adjusting unit of the embodiment.

Fig. 10 is a schematic view of the adjusting unit and the hinge arm of the embodiment in a state of maximum damping.

Fig. 11 is a schematic view of the adjusting unit and the hinge arm of the embodiment in a state of minimum damping.

FIG. 12 is a schematic view of the adjusting unit and the damping assembly of the embodiment in a maximum damping state.

FIG. 13 is a schematic view of an embodiment of an adjustment unit and a damping assembly in a state of minimum damping.

FIG. 14 is a schematic view of the inner rocker of the second embodiment.

Fig. 15 is a schematic view of a first abutting portion in the second embodiment.

The damping device comprises a hinge arm 1, a mounting hole 11, a guide boss 12, a guide boss 131, a first limiting part 132, a second limiting part 2, a damping component 21, a damping fixing sleeve 22, a damper 3, an inner rocker 3, a bent hook part 31, an aileron 32, a first abutting part 33, a torsion spring 4, a first support leg 41, a second support leg 42, an adjusting unit 5, an eccentric part 51, a straight edge 52, a limiting notch 53, a hinge cup 6, an outer rocker arm 7, a first rotating shaft 8 and a second rotating shaft 9.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete. It should be noted that the terms "first" and "second" in the present invention do not denote any particular quantity or order, but rather are used for distinguishing names.

The first embodiment is as follows:

referring to fig. 1 to 13, in this embodiment, a damping-adjustable two-stage force hinge includes a hinged arm 1, a damping assembly 2, an inner rocker 3, an adjusting unit 5, a torsion spring 4, an outer rocker 7 and a hinge cup 6, where the front end of the outer rocker 7 and the front end of the inner rocker are respectively pivoted to the hinge cup 6 through a rotating shaft, and the tail end of the outer rocker 7 is pivoted to the front end of the hinged arm 1 through a first rotating shaft 8. The damping component 2 of the embodiment includes a damping fixing sleeve 21 and a damper 22 embedded on the damping fixing sleeve 21, wherein the damper 22 is in interference fit with the damping fixing sleeve 21, and an inner step which is always in contact with an outer step formed on a housing of the damper 22 is arranged on an inner hole wall of the damping fixing sleeve 21, so that the housing of the damper 22 and the damping fixing sleeve 21 are relatively in an integrated structure.

Referring to fig. 5, the longitudinal section of the hinge arm 1 of the present embodiment is "∩" shaped, so that at least one guide boss 12 is symmetrically formed on two inner side walls of the hinge arm 1, and a sliding slot for slidably guiding and matching the damping component 2 is formed between the guide boss 12 and the inner top wall of the hinge arm 1, that is, insertion blocks slidably matching the sliding slot are formed on two sides of the damping fixing sleeve 21, and the guide boss 12 can abut against the front end stop of the damping fixing sleeve 21, thereby achieving the functions of slidably guiding the damping fixing sleeve 21 and limiting and stopping the distal end in the sliding direction.

Referring to fig. 7, the tail end of the inner rocker of this embodiment is pivotally connected to the front end of the hinge arm 1 through the second rotating shaft 9, and two hook portions 31 are formed at the tail end of the inner rocker 3 and can respectively abut against and cooperate with the shifting blocks preformed at the front ends of the two side walls of the damping fixing sleeve 21 (the front ends of the hook portions 31 can abut against the back surfaces of the shifting blocks), so as to drive the damping fixing sleeve 21 and the damper 22 to move together along the sliding slot toward the front end of the hinge arm 1. In addition, a flap 32 is formed at the tail end of the inner rocker in this embodiment, and a roller is pivoted on the flap 32, that is, the roller is pivoted on a through hole pre-opened on the flap 32 through a preset rotating shaft, and the roller here is used as a first abutting portion 33 arranged at the tail end of the inner rocker 3.

Referring to fig. 9, in the present embodiment, an upward extending mounting hole 11 is formed in the inner top wall of the hinge arm 1, the upper end of the adjusting unit 5 is columnar and vertically penetrates through the mounting hole 11, and the rear portion of the adjusting unit 5 is exposed out of the top surface of the hinge arm 1, and the exposed portion of the adjusting unit 5 serves as a screwing portion, so that the adjusting unit 5 and the hinge arm 1 are in pivot interference fit. In addition, the lower end of the adjusting unit 5 is integrally formed with an eccentric portion 51, specifically, the profile of the eccentric portion 51 is larger than that of the mounting hole 11 and the bottom surface of the eccentric portion 51 contacts with the damping fixing sleeve 21, that is, the eccentric portion 51 is interposed between the top surface of the damping fixing sleeve 21 and the inner top wall of the hinge arm 1, and the eccentric portion 51 can only rotate around the mounting hole 11 in the axial direction. In the embodiment, two or more than two straight edges 52 with different eccentric distances are formed on the outer contour of the eccentric portion 51, a step surface capable of abutting against the eccentric portion 51 is formed on the damping fixing sleeve 21, each straight edge 52 corresponds to a gear of a different working stroke of the damper 22, specifically, by screwing the adjusting unit 5, any one straight edge 52 can rotate to the front end position of the eccentric portion 51 to abut against the step surface of the damping fixing sleeve 21, so that the sliding stroke of the damping fixing sleeve 21 in the sliding direction of the damping fixing sleeve towards the tail end of the hinge arm 1 is limited, and the function of adjusting the working stroke of the telescopic end of the damper 22 is realized.

Referring to fig. 8, the torsion spring 4 of this embodiment is sleeved on the first rotating shaft 8 (the torsion spring 4 and the outer rocker arm 7 share the first rotating shaft 8) disposed at the front end of the hinged arm 1, wherein two legs of the torsion spring 4 both face the tail end direction of the hinged arm 1, the first leg 41 of the torsion spring 4 abuts against the first abutting portion 33 (in this embodiment, a roller), and the second leg 42 of the torsion spring 4 abuts against the inner top wall of the hinged arm 1. Secondly, the telescopic end of the damper 22 of the embodiment extends and retracts toward the front end of the hinged arm 1, so that the end surface of the telescopic end abuts against the torsion spring 4, the telescopic end of the damper 22 abuts against the outer cylindrical surface of the torsion spring 4 as a support, and the hinge has a two-stage force transmission function.

Referring to fig. 5, in the present embodiment, two position-limiting parts for limiting and stopping the outer contour of the eccentric part 51 are formed on the inner top wall of the hinge arm 1, and the rotation angle range of the eccentric part 51 is limited by the limit-stopping function of the two position-limiting parts, the two position-limiting parts of the present embodiment are composed of a first position-limiting part 131 and a second position-limiting part 132 arranged in front and back, wherein the present embodiment defines that the first position-limiting part 131 corresponds to a position as a minimum damping state, and the second position-limiting part corresponds to a position as a maximum damping state, that is, when the eccentric part 51 of the outer contour is screwed to make the eccentric part 51 of the outer contour abut against the first position-limiting part 131, the straight edge 52 of the outer contour abutting against the step surface of the damping fixing sleeve 21 is the straight edge 52 with the maximum; on the contrary, when the eccentric portion 51 is screwed so that the eccentric portion 51 of the outer contour thereof is abutted against the second position-limiting portion 132, the straight side 52 of the outer contour thereof abutted against the stepped surface of the damping fixing sleeve 21 is the straight side 52 with the smallest eccentricity. In addition, in order to facilitate the intuitive understanding of the user, scales or marks for indicating the adjustment size of the damping can be arranged around the mounting hole 11 on the top surface of the hinge arm 1.

Further, a limit notch 53 is formed at the position of the eccentric portion 51 of the outer contour of the eccentric portion 51, and the limit notch 53 is used for the eccentric portion 51 to rotate to the maximum damping state and to be in contact fit with the second limit portion 132, so as to limit the rotation limit position of the eccentric portion 51.

Further, clearance notches for respectively accommodating or avoiding the first support leg 41 and the second support leg 42 of the torsion spring 4 are formed on both sides of the front end surface of the damping fixing sleeve 21.

The following explains the working principle of the two-stage force of the hinge product obtained by integrally assembling the respective parts in advance.

1) The hinge closing action: when the hinge cup 6 rotates towards the closing direction, the torsion force of the torsion spring 4 is transmitted to the first abutting part 33 through the first leg 41, so as to drive the inner rocker 3 and the outer rocker 7 to rotate around the second rotating shaft 9 and the first rotating shaft 8 respectively; when the inner rocker 3 rotates around the second rotating shaft 9 towards the direction close to the hinged arm 1, the hook part 31 of the inner rocker drives the damping fixing sleeve 21 to move towards the front end direction of the hinged arm 1 along with the top contact, in the process, the damper 22 is supported by the end face of the telescopic end of the damper 22 abutting against the torsion spring 4, so that the damping fixing sleeve 21 is subjected to damping slowing in the moving process, the damping force for slowing down the moving speed of the damping fixing sleeve 21 correspondingly acts on the hinge cup 6 through the inner rocker 3, the torsion spring 4 and the outer rocker 7, the rotating speed of the hinge cup 6 is slowed down, meanwhile, the damping fixing sleeve 21 is separated from the eccentric part 51 of the adjusting unit 5, and finally the hinge is completely closed, so that the hinge can be slowly closed and the impact sound is eliminated when being installed on a cabinet body with a door plate.

2) Hinge opening action: when hinge cup 6 is rotatory to opening the direction, interior rocker 3 is around the rotatory action of second pivot 9 orientation of keeping away from hinge arm 1, its crotch portion 31 is along with towards keeping away from the fixed cover 21 orientation swing of damping, attenuator 22 is supported with the flexible end terminal surface that supports on torsional spring 4 because of its self telescopic action this moment, drive the fixed cover 21 of damping and remove towards hinge arm 1 tail end direction, adjust through preceding adjusting element 5, in order to carry out the backstop conflict through eccentric part 51 to the step face of the fixed cover 21 of damping, play the flexible working stroke of the flexible end of restriction attenuator 22, finally hinge cup 6 opens completely.

Referring to fig. 12 and 13, the stop function of the adjusting unit 5 is explained further below: when the hinge is opened, the damping fixing sleeve 21 moves towards the tail end of the hinge arm 1 under the self-expansion action of the damper 22 until the damping fixing sleeve is abutted by the backstop of the adjusting unit 5, wherein if the adjusting unit 5 is screwed to enable the eccentric part 51 to be abutted against the second limiting part 132, so that the straight edge 52 of the minimum eccentric distance of the eccentric part 51 is abutted against the damping fixing sleeve 21, the expansion working stroke of the expansion end of the damper 22 is represented as the maximum value, and further, when the hinge is closed, the hook part 31 rotates with the inner rocker 3 by a small angle to be in interference fit with the damping fixing sleeve 21, and the buffer angle range of the damping component 2 is the maximum value at the moment; on the contrary, if the eccentric portion 51 is abutted against the first limiting portion 131 by screwing the adjusting unit 5, so that the straight edge 52 of the maximum eccentric distance of the eccentric portion 51 is abutted against the damping fixing sleeve 21, it indicates that the telescopic working stroke of the telescopic end of the damper 22 is the minimum value, the hook portion 31 can be abutted against the damping fixing sleeve 21 only when rotating with the inner rocker 3 by a large angle, and the buffering angle range of the damping assembly 2 is the minimum value at this time. Based on the above, the working stroke of the damping assembly 2 changes gradually between the minimum value and the maximum value of the telescopic working stroke.

Example two:

referring to fig. 14 and 15, the difference feature compared with the first embodiment is that: a different configuration of the first abutting portion 33 is adopted. The first portion 33 that supports of this embodiment is a fixed block, through with fixed block direct mount to interior rocker 3 on, it has the perforation with second pivot 9 through connection to open on the fixed block, still the shaping have on the fixed block with the aileron 32 on the hole site looks embedded fitting's that is equipped with the boss, utilize the boss to play the effect of location installation, utilize the first stabilizer blade 41 of torsional spring 4 and the inconsistent cooperation of fixed block. By adopting the mode, the structure is simpler, and the manufacturing cost is lower.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make many changes, modifications, and equivalents of the embodiments of the invention without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims

1. The utility model provides a damping adjustable two-section power hinge, includes articulated arm (1), directional slip set up damping subassembly (2) on articulated arm (1), pin joint locate torsional spring (4) on first pivot (8) that articulated arm (1) front end was equipped with in the interior rocker (3) and the cover of articulated arm (1) front end, the flexible end of damping subassembly (2) supports and leans on torsional spring (4), its characterized in that: an adjusting unit (5) which can be in contact fit with the damping component (2) is pivoted on the hinged arm (1), and the telescopic working stroke of the damping component (2) is changed by screwing the adjusting unit (5).

2. The adjustable damping two-stage force hinge of claim 1, wherein: the damping assembly (2) comprises a damping fixing sleeve (21) and a damper (22) embedded on the damping fixing sleeve (21), wherein an eccentric part (51) is formed on the adjusting unit (5), and the adjusting unit (5) is screwed to enable the outer contour of the front end of the eccentric part (51) to be capable of being abutted against the stop of a step surface preset at the top end of the damping fixing sleeve (21).

3. The adjustable damping two-stage force hinge of claim 2, wherein: the tail end of the inner rocker (3) is provided with at least one hook part (31) which can abut against and match with a shifting block preformed on the damping fixing sleeve (21) so as to drive the damping component (2) to move towards the front end direction of the hinge arm (1).

4. The adjustable damping two-stage force hinge of claim 2, wherein: at least two straight edges (52) with different eccentric distances are formed on the outer contour of the eccentric part (51), wherein any one straight edge (52) is rotated to the front end position of the eccentric part (51) and is abutted against the step surface of the damping fixing sleeve (21) by screwing the adjusting unit (5).

5. The adjustable damping two-stage force hinge of claim 2, wherein: and at least one limiting part for limiting and stopping the outer contour of the eccentric part (51) is formed on the inner top wall of the hinged arm (1).

6. The adjustable damping two-stage force hinge of claim 1, wherein: the tail end of the inner rocker (3) is provided with a first abutting part (33) for abutting against a first supporting leg (41) of the torsion spring (4), and a second supporting leg (42) of the torsion spring (4) abuts against the inner top wall of the hinged arm (1).

7. The adjustable damping two-stage force hinge of claim 6, wherein: the first abutting part (33) is a roller which is pivoted on a flap (32) preformed at the tail end of the inner rocker (3).