CN213683627U

CN213683627U - Novel two-segment force hinge

Info

Publication number: CN213683627U
Application number: CN202021351454.0U
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: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-07-13
Anticipated expiration: 2030-07-10
Also published as: WO2022007475A1

Abstract

The utility model discloses a new-type two-section power hinge, locate the epaxial first torsional spring of first pivot that the hinge arm front end was equipped with including articulated arm, damping subassembly, pin joint in the interior rocker and the cover of hinge arm front end, the damping subassembly sets up the damping cover on the articulated arm and slides and inlay the attenuator of adorning on the damping cover including directional slip, wherein, the cylinder body tail end of attenuator supports and leans on at first torsional spring, the flexible end of attenuator is touched on the inner chamber afterbody of damping cover and this flexible end and damping cover mutually, supports the structural improvement of portion through supporting damper cover and spring, has reduced the manufacturing degree of difficulty, has improved the rigidity of part, has further improved the reliability of damping hinge.

Description

Novel two-segment force hinge

Technical Field

The utility model belongs to the technical field of the technique of hinge and specifically relates to a new-type two-section power hinge is related to.

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, the actual application scenes of the hinge are very many, different installation conditions differ from each other in terms of the requirement for slowing down, the existing hinge product cannot be effectively adjusted according to the actual conditions, certain limitation exists, and the universality of the hinge product is greatly reduced. In order to solve the above problems, the applicant proposed a damping adjustable two-stage force hinge as described in chinese patent CN 110541639 a, which specifically relates to a hinge with different damping angles during the closing action by screwing an adjusting unit to change the telescopic working stroke of the damping assembly.

However, in the above products, the supporting function of the damping sleeve and the torsion spring is affected by the strength of the parts and the installation process, and there is a possibility that the hinge cannot work normally in the opening and closing process, thereby affecting the normal use of the hinge.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model aims to provide a reliable and stable new-type two-section power hinge.

In order to realize the above-mentioned purpose, the utility model provides a scheme is a new-type two-section power hinge, locate the epaxial first torsional spring of first pivot that the hinge arm front end was equipped with including articulated arm, damping subassembly, pin joint in the interior rocker and the cover of hinge arm front end, the damping subassembly includes that directional slip sets up damping cover on the articulated arm and slip to inlay and adorn the attenuator in the damping cover, wherein, the cylinder body tail end of attenuator supports and leans on at first torsional spring, the flexible end of attenuator pushes up mutually towards the inner chamber afterbody of damping cover and this flexible end and damping cover and touches.

Furthermore, the damping cover top surface is equipped with the adjustment sheet, the pin joint has the regulating element just on the pivoted arm the regulating element shaping has the eccentric part that can contradict with adjustment sheet tail end looks backstop, through twisting the regulating element with the flexible working stroke who changes damping components soon.

Furthermore, at least one guide boss is symmetrically formed on two inner side walls of the hinged arm, a sliding groove position for the damping sleeve to be slidably embedded is formed between the guide boss and the inner top wall of the hinged arm, and the guide boss can be abutted against the front end stop of the damping sleeve.

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

Further, the first portion of leaning on the portion lateral wall shaping has first installation department, the aileron of interior rocker is opened has and supplies the installation department to inlay the first mounting hole of dress complex.

Further, a second mounting hole is formed in the outer side wall of the first abutting portion, and a second mounting portion matched with the second mounting hole in an embedded mode is formed in the aileron of the inner rocker.

Further, the lateral wall of first portion of supporting all opens with the aileron of interior rocker has the third mounting hole of alignment to cooperate with two third mounting holes through the connecting pin that is preset and install to the aileron of interior rocker with the order first portion of supporting.

Further, the first abutting part and the abutting surface of the first leg of the first torsion spring which abuts against and is matched with the first leg of the first torsion spring transversely extend to protrude to the top end position of the aileron.

The front end of the outer rocker arm and the front end of the inner rocker arm are respectively pivoted on the hinge cup through a rotating shaft, and the tail end of the outer rocker arm is pivoted on the front end of the hinged arm through a first rotating shaft; the holding clamping piece is embedded on the hinged arm, a clamping jaw formed at the front end of the holding clamping piece is buckled at the front end of the mounting bottom plate, a latching piece is pivoted at the tail end of the holding clamping piece, and a second torsion spring is arranged between the holding clamping piece and the latching piece; and a hook claw formed at the front end of the latch piece is clamped and matched with the tail end of the mounting bottom plate.

The utility model has the advantages that: the damper is embedded on the damping sleeve in a sliding mode, and the tail end of the cylinder body of the damper abuts against the first torsion spring, so that the manufacturing difficulty is reduced, the rigidity of parts is improved, and the reliability of the damping hinge is further improved through structural improvement of the damping sleeve and the spring abutting part.

Drawings

Fig. 1 is an assembly view of a hinge of the embodiment.

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

Fig. 3 is a schematic view of an embodiment of a hinge arm.

FIG. 4 is a schematic view of a damping assembly of an embodiment.

Fig. 5 is a schematic view of an adjusting unit of an embodiment.

Fig. 6 is a schematic view showing an opened state of the hinge of the embodiment.

Fig. 7 is a schematic view of a closed state of the hinge of the embodiment.

Fig. 8 is a schematic view of the adjusting unit and the hinge arm of the embodiment in a minimum stroke state.

Fig. 9 is a schematic view of the adjusting unit and the hinge arm of the embodiment in a maximum stroke state.

FIG. 10 is a schematic view of an embodiment of an adjustment unit and a damping assembly in a minimum stroke state.

FIG. 11 is a schematic view of an embodiment of an adjustment unit and a damping assembly in a maximum stroke state.

Fig. 12 is a schematic view of the inner rocker and the first abutting portion of the first embodiment.

Fig. 13 is a schematic view of the inner rocker and the first abutting portion of the second embodiment.

Fig. 14 is a schematic view of an inner rocker and a first abutting portion of the third embodiment.

Fig. 15 is another schematic structural view of the first abutting portion.

The damping device comprises a hinge arm 1, an adjusting round hole 11, a guide boss 12, a limiting part 13, a damping component 2, a damping sleeve 21, a damper 22, an inner rocker 3, a curved hook part 31, an aileron 32, a first abutting part 33, a torsion spring 4, an adjusting unit 5, an eccentric part 51, a first stop 511, a second stop 512, a hinge cup 6, an outer rocker 7, a first rotating shaft 81, a second rotating shaft 82, a mounting bottom plate 9, a retaining fastener 10, a latch member 101 and a second torsion spring 102.

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.

Referring to fig. 1 to 15, in the present embodiment, a novel two-stage force hinge includes a hinge arm 1, a damping assembly 2, an inner rocker 3 pivotally connected to a front end of the hinge arm 1, and a first torsion spring 4 sleeved on a first rotating shaft 81 disposed at a front end of the hinge arm 1. The damping assembly 2 of the embodiment comprises a damping sleeve 21 which is directionally and slidably arranged on the hinged arm 1, and a damper 22 which is slidably embedded in the damping sleeve 21, wherein a cylinder body of the damper 22 is in sliding fit with an inner cavity of the damping sleeve 21. Secondly, at least one guide boss 12 is symmetrically formed on two inner side walls of the hinge arm 1, and a sliding slot position for sliding guide matching of the damping sleeve 21 is formed between the guide boss 12 and the inner top wall of the hinge arm 1, that is, insertion blocks in sliding matching with the sliding slot position are formed on two sides of the damping sleeve 21, and the guide boss 12 can be abutted against the front end of the damping sleeve 21, so that the functions of sliding guide of the damping sleeve 21 and far-end limit stopping in the sliding direction are realized.

In this embodiment, the rear end of the inner rocker 3 is pivotally connected to the front end of the hinge arm 1 through the second rotating shaft 82, and two hook portions 31 respectively abutting against and matching with the shift blocks preformed at the front ends of the two side arms of the damping sleeve 21 are formed at the rear end of the inner rocker (the front ends of the hook portions 31 may abut against the back surfaces of the shift blocks), so as to drive the damping sleeve 21 to move toward the front end of the hinge arm 1 along the sliding slot. In addition, a flap 32 is further formed at the tail end of the inner rocker 3, a first abutting part 33 is installed on the flap 32, and the specific structural form of the first abutting part 33 includes the following embodiments:

referring to fig. 12, in the first embodiment: the outer side wall of the first abutting part 33 is formed with a first mounting part, the flap 32 of the inner rocker 3 is provided with a first mounting hole for the mounting part to be embedded and matched, and therefore the first abutting part 33 is embedded on the flap 32 through the first mounting part in the first mounting hole.

Referring to fig. 13, the second embodiment: the outer side wall of the first abutting part 33 is formed with a second mounting hole, and the flap 32 of the inner rocker 3 is formed with a second mounting part which is in embedded fit with the second mounting hole, so that the first abutting part 33 is embedded on the flap 32 through the second mounting part which is embedded in the second mounting hole.

Referring to fig. 14, the third embodiment: the outer side wall of the first abutting part 33 and the flap 32 of the inner rocker 3 are provided with aligned upper mounting holes, and the first abutting part 33 is mounted on the flap 32 of the inner rocker 3 by matching with two third mounting holes through a preset connecting pin.

Further, as shown in fig. 15, in the first embodiment, the abutting surface at the top end of the first abutting portion 33 extends and protrudes laterally to the top end of the flap 32, so that the abutting surface is enlarged, and the situation that the abutting surface is not easily displaced when abutting and matching with the first leg of the first torsion spring 4 is achieved.

In the present embodiment, both legs of the first torsion spring 4 face the tail end of the hinge arm 1, the first leg of the first torsion spring 4 is in abutting fit with the first abutting portion 33, and the second leg of the first torsion spring 4 is in abutting fit with the inner top wall of the hinge arm 1. Secondly, the rear end of the cylinder of the damper 22 of the present embodiment abuts against the first torsion spring 4, and the telescopic end of the damper 22 is located in the inner cavity of the damping sleeve 21 and faces the rear end direction of the damping sleeve 21, so that the telescopic end thereof is in contact with the rear end of the inner cavity of the damping sleeve 21.

In this embodiment, the damping sleeve 21 is provided with an adjusting piece on the top surface, that is, a clamping strip is formed on the top surface of the damping sleeve 21 for the pre-formed clamping grooves at the two ends of the adjusting piece to be clamped and matched. The damping sleeve 21 and the adjusting sheet are independent, so that the damping sleeve and the adjusting sheet are more convenient to process.

In this embodiment, an adjusting circular hole 11 extending upward is formed in the inner top wall of the hinge arm 1, the upper end of the adjusting unit 5 is columnar, vertically penetrates through the adjusting circular hole 11, and the rear part of the adjusting unit 5 is exposed out of the top wall of the hinge arm 1, and the exposed part of the adjusting unit 5 at this time serves as a screwing part. In addition, the lower end of the adjusting unit 5 is integrally formed with an eccentric part 51, wherein the profile of the eccentric part 51 is larger than that of the adjusting circular hole 11, the eccentric part 51 is arranged between the top surface of the damping sleeve 21 and the inner top wall of the hinge arm 1, and the eccentric part 51 can rotate axially around the adjusting circular hole 11 along with the adjusting unit 5. The outer contour of the eccentric part 51 is abutted against the tail end face of the adjusting sheet, so that the eccentric distance of the contact position of the adjusting sheet and the eccentric part 51 is changed by screwing the eccentric part 51, the sliding stroke of the damping sleeve 21 is changed, and the function of adjusting the working stroke of the telescopic end of the damper 22 is realized.

In this embodiment, a limiting portion 13 for limiting the outer contour of the eccentric portion 51 is formed on the inner top wall of the hinge arm 1, and the limiting stop function of the limiting portion 13 is utilized to limit the rotation angle range of the eccentric portion 51, so as to correspondingly limit the maximum working stroke and the minimum working stroke of the adjusting damper 22, specifically, the limiting portion 13 is located in the tail end direction of the adjusting circular hole 11. A first stop gear 511 and a second stop gear 512 which can be matched with the limit part 13 in an abutting mode are formed on the outer contour of the eccentric part 51, and the first stop gear 511 and the second stop gear 512 are defined as corresponding conditions of a minimum working stroke and a maximum working stroke, wherein when the eccentric part 51 is screwed to enable the first stop gear 511 of the eccentric part 51 to be in abutting contact with the limit part 13, the position where the outer contour of the eccentric part 51 is in contact with the adjusting piece at the moment is the position where the eccentric distance is maximum, and therefore the damper 22 at the moment is enabled to be in the minimum working stroke; on the contrary, when the eccentric portion 51 is screwed to make the second stop position 512 of the eccentric portion 51 contact with the limit portion 13, the position where the outer contour of the eccentric portion 51 contacts with the adjustment piece is the position with the minimum eccentricity, so that the damper 22 is in the maximum working stroke.

Furthermore, the top surface of the hinged arm 1 at the periphery of the adjusting round hole 11 is provided with annularly arranged scale marks, and the scale marks are arranged corresponding to the working stroke of the damper 22.

In this embodiment, the hinge cup 6, the outer rocker arm 7, the mounting base plate 9 and the retaining clip 10 are further included, wherein the front end of the outer rocker arm 7 and the front end of the inner rocker arm are respectively pivoted on the hinge cup 6 through a rotating shaft, and the tail end of the outer rocker arm 7 is pivoted on the front end of the hinge arm 1 through a first rotating shaft 81; the retaining clamp 10 is embedded in the hinged arm 1, the clamping jaws formed at the front end of the retaining clamp 10 are buckled at the front end of the mounting bottom plate 9, the tail end of the retaining clamp 10 is pivoted with a latch piece 101 through a rotating shaft, a second torsion spring 102 is sleeved on the rotating shaft, two support legs of the second torsion spring 102 are respectively abutted against the retaining clamp 10 and the rotating clamp, and the hook jaws formed at the front end of the latch piece 101 are in clamping fit with the tail end of the mounting bottom plate 9.

The working principle of the two-segment force hinge described above will be further explained with reference to fig. 6 and 7.

The hinge closing action: hinge cup 6 is when closing the direction rotation, the torsion of torsional spring passes through its first foot and transmits to first support portion 33, thereby it is rotatory around second pivot 82 and first pivot 81 respectively to drive interior rocker 3 and outer rocking arm 7, crotch portion 31 top at this moment touches and drives damping sleeve 21 and remove towards the hinge arm 1 front end direction, at this in-process, attenuator 22 uses the cylinder body tail end terminal surface that supports on the torsional spring as the support, make attenuator 22's telescopic link exert the damping to damping sleeve 21 and slow down the effect, and then play the slew velocity who slows down hinge cup 6, and simultaneously, damping sleeve 21 breaks away from mutually with the eccentric portion 51 of adjusting element 5, the complete closure of hinge has finally been accomplished, make the hinge when installing in the cabinet body of taking the door plant, closure that can be soft slowly, eliminate the impact sound.

Hinge opening action: the hinge cup 6 rotates towards the opening direction, the inner rocker 3 rotates around the second rotating shaft 82 groove and moves away from the hinge arm 1 direction, the hook part 31 swings towards the direction away from the damping sleeve 21, the damper 22 at the moment is supported by the end face of the tail end of the cylinder body supported on the torsion spring due to the self telescopic action, the telescopic end is pushed against the damping sleeve 21 to move towards the tail end direction of the hinge arm 1, the eccentric part 51 of the adjusting unit 5 is abutted against the stop of the adjusting piece in advance, the sliding distance of the damping sleeve 21 and the working stroke of the damper 22 are limited, and finally the hinge cup 6 is completely opened.

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 new-type two-section power hinge, includes articulated arm (1), damping subassembly (2), pin joint in the first torsional spring (4) on first pivot (81) that articulated arm (1) front end was equipped with are located to interior rocker (3) and the cover of articulated arm (1) front end, its characterized in that: damping subassembly (2) including directional slip set up damping cover (21) on articulated arm (1) and slip inlay damper (22) on damping cover (21), wherein, the cylinder body tail end of damper (22) supports and leans on at first torsional spring (4), the flexible end of damper (22) is held up with the inner chamber tail portion top of damping cover (21) towards damping cover (21) and this flexible end and is touched.

2. The novel two-segment force hinge of claim 1, wherein: damping cover (21) top surface is equipped with the adjustment sheet, the pin joint has adjusting element (5) just on articulated arm (1) adjusting element (5) shaping has eccentric portion (51) that can contradict with adjustment sheet tail end face looks backstop, through twisting the flexible working stroke of adjusting element (5) in order to change damping subassembly (2) soon.

3. The novel two-segment force hinge of claim 1, wherein: at least one guide boss (12) is symmetrically formed on two inner side walls of the hinged arm (1), a sliding groove position for the damping sleeve (21) to be slidably embedded is formed between the guide boss (12) and the inner top wall of the hinged arm (1), and the guide boss (12) can be abutted against the front end of the damping sleeve (21) in a stopping manner.

4. The novel two-segment force hinge of claim 1, wherein: the tail end of interior rocker (3) is equipped with the first portion (33) of leaning on that leans on that supports of the first stabilizer blade that supplies first torsional spring (4), the second stabilizer blade of first torsional spring (4) supports and leans on the interior roof in hinge arm (1).

5. The novel two-segment force hinge of claim 4, wherein: the outer side wall of the first abutting portion (33) is formed with a first mounting portion, and the aileron (32) of the inner rocker (3) is provided with a first mounting hole for the mounting portion to be embedded and matched.

6. The novel two-segment force hinge of claim 4, wherein: and a second mounting hole is formed in the outer side wall of the first abutting part (33), and a second mounting part which is matched with the second mounting hole in an embedded mode is formed in the aileron (32) of the inner rocker (3).

7. The novel two-segment force hinge of claim 4, wherein: the outer side wall of the first abutting portion (33) and the flap (32) of the inner rocker (3) are provided with aligned third mounting holes, and the first abutting portion (33) is mounted on the flap (32) of the inner rocker (3) through a preset connecting pin and the two third mounting holes in a matched mode.

8. A novel two-stage force hinge according to claim 5 or 6 or 7, characterized in that: the first abutting part (33) and the abutting surface of the first leg of the first torsion spring (4) in abutting fit transversely extend and protrude to the top end position of the flap (32).

9. The novel two-segment force hinge of claim 1, wherein: the hinge arm is characterized by further comprising a retaining clamp piece (10), wherein the retaining clamp piece (10) is embedded on the hinge arm (1), a latch piece (101) is pivoted at the tail end of the retaining clamp piece (10), and a second torsion spring (102) is arranged between the retaining clamp piece (10) and the latch piece (101).

10. The novel two-segment force hinge of claim 9, wherein: at least two salient points are formed on the outer side surface of the tail end of the latch piece (101).