CN215169036U

CN215169036U - Two-stage force hinge

Info

Publication number: CN215169036U
Application number: CN202120166965.3U
Authority: CN
Inventors: 黑学智; 邢望
Original assignee: Guangdong Unihopper Precision Technology Corperation Limmited
Current assignee: Guangdong Unihopper Precision Technology Corperation Limmited
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-12-14
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a two-stage force hinge, including articulated arm, damping subassembly, pin joint in the inner rocker of articulated arm front end and the first torsional spring of cover on locating the first pivot that the articulated arm front end was equipped with, the damping subassembly includes damping fixing base, directional sliding connection damping cover on the damping fixing base, the attenuator fixedly inlayed on the damping fixing base, wherein, the limited fixing in articulated arm and first torsional spring in damping fixing base both ends and the damping fixing base tail end supports and leans on first torsional spring, the flexible end of attenuator is towards the damping cover and this flexible end and the inner chamber afterbody of damping cover are pushed up and is touched; through the structure of improvement damping subassembly, be convenient for more assembly and production and processing have improved damping hinge's reliability.

Description

Two-stage force hinge

Technical Field

The utility model belongs to the technical field of the technique of hinge and specifically relates to a two-stage process 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 two-stage power hinge.

In order to achieve the above object, the utility model provides a scheme is a two-stage-force hinge, locate the epaxial first torsional spring of first pivot that the hinge arm front end was equipped with including hinge arm, damping subassembly, pin joint in the interior rocker and the cover of hinge arm front end, the damping subassembly includes damping fixing base, directional sliding connection damping cover on the damping fixing base, the fixed attenuator of inlaying on the damping fixing base of inlaying, wherein, the limited fixing between hinge arm and first torsional spring just damping fixing base tail end supports and leans on at first torsional spring, the flexible end of attenuator is pushed up mutually towards the damping cover and should stretch out and draw back the inner chamber afterbody of end and damping cover and is touched.

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, the damping fixing seat is formed with an installation chute for the damping sleeve to be slidably embedded.

Furthermore, the two inner side walls of the hinged arm are symmetrically formed with positioning blocks, wherein the two positioning blocks are in abutting contact with the front end of the damping fixing seat in a limiting fit.

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.

The clamping device further comprises a holding clamping piece, wherein the holding clamping piece is embedded on the hinged arm, the tail end of the holding clamping piece is pivoted with a latching piece, and a second torsion spring is arranged between the holding clamping piece and the latching piece.

The adjusting device further comprises an installation bottom plate and an adjusting chassis arranged at the bottom of the installation bottom plate in a sliding mode, wherein an eccentric screw is arranged between the installation bottom plate and the adjusting chassis, and the eccentric screw is screwed to relatively adjust the relative position between the installation bottom plate and the adjusting chassis in the direction perpendicular to the installation bottom plate.

The utility model has the advantages that: the damping fixing seat is fixed between the hinged arm and the first torsion spring in a limited mode, and the damping sleeve is connected to the damping fixing seat in a sliding mode in a directional mode, so that the telescopic end of the damper is matched with the damping sleeve in a propping and contact mode, the damper is enabled to play a buffering function when the hinge is opened and closed, the structure of the damper is further improved, assembly and production and processing are facilitated, and the reliability of the damping hinge is improved.

Drawings

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

Fig. 2-3 are exploded views of the hinge of the embodiment.

Fig. 4 is a schematic view of an embodiment of a hinge arm.

FIG. 5 is a schematic view of a damping assembly of an embodiment.

Fig. 6 is a schematic view of an adjusting unit of an embodiment.

Fig. 7 is a schematic view of the adjusting unit and the hinge arm of the embodiment in a minimum stroke state.

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

FIG. 9 is a schematic view of the inner rocker and the first abutment.

Fig. 10 is a schematic structural view of the mounting baseplate.

The damping device comprises a hinge arm 1, an adjusting round hole 11, a positioning block 12, a limiting part 13, a damping component 2, a damping sleeve 21, a damper 22, a damping fixing seat 24, a mounting sliding groove 241, an inner rocker 3, a bent hook part 31, an auxiliary wing 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 mounting bottom plate 9, a retaining fastener 10, a latch part 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 10, in the present embodiment, a 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 through a second rotating shaft, and a first torsion spring 4 sleeved on the first rotating shaft disposed at the front end of the hinge arm 1. The damping component 2 of this embodiment includes damping fixing base 24, directional sliding connection damping cover 21 on damping fixing base 24, the fixed attenuator 22 of inlaying on damping fixing base 24 of inlaying, and wherein, damping fixing base 24 shaping has the slot position that supplies the fixed embedding of attenuator 22 cylinder body. Next, the two outer side walls of the damping fixing seat 24 are formed with mounting sliding grooves 241 for the damping sleeve 21 to be slidably inserted, specifically, the damping sleeve 21 of this embodiment is U-shaped, and the damping sleeve 21 performs a directional sliding motion in the mounting sliding grooves 241. The telescopic end of the damper 22 is located in the inner cavity of the damping sleeve 21 and faces the tail end direction of the damping sleeve 21, so that the telescopic end of the damper is in contact with the tail end of the inner cavity of the damping sleeve 21.

In the present embodiment, the two ends of the damping mount 24 are fixed between the hinge arm 1 and the first torsion spring 4 in a limited manner, specifically, the positioning blocks 12 are symmetrically formed on the two inner side walls of the hinge arm 1, wherein the two positioning blocks 12 are in abutting and limiting fit with the damping mount 24, and secondly, the damping mount 24 is further explained below in combination with two different installation situations: 1) the first condition is as follows: the tail end of the damping permanent seat 24 abuts against the first torsion spring 4, and the damping permanent seat 24 is limited by the positioning block 12 and the first torsion spring 4 together. 2) Case two: the damping fixing seat 24 is abutted against the second rotating shaft, and the damping fixing seat 24 is limited by the positioning block 12 and the second rotating shaft together, so that the stress load on the first torsion spring 4 is reduced, and the opening and closing action of the hinge is facilitated. The assembly of the damping mount 24 is thus achieved by the different mounting conditions described above.

In this embodiment, the tail end of the inner rocker 3 is pivotally connected to the front end of the hinge arm 1 through the second rotating shaft, 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 tail 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 formed at the rear end of the inner rocker 3, and a first abutting portion 33 is mounted on the flap 32.

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 telescopic end of the damper 22 of the present embodiment is located in the inner cavity of the damping sleeve 21 and faces the tail end direction of the damping sleeve 21, so that the telescopic end of the damper is in contact with the tail end of the inner cavity of the damping sleeve 21.

In the present embodiment, the damping sleeve 21 is provided with an integral or separate adjusting piece 23 on the top surface, that is, for the separate adjusting piece 23: a clamping strip for clamping and matching clamping grooves preformed at the two ends of the adjusting sheet 23 is formed on the top surface of the damping sleeve 21, so that the damping sleeve 21 and the adjusting sheet 23 are independent, and the damping sleeve 21 and the adjusting sheet 23 are more convenient to process; it is also possible to use an adjusting blade 23 which is integrally formed on the damping sleeve 21.

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 around the adjusting circular hole 11 along with the adjusting unit 5. The outer contour of the eccentric portion 51 is abutted against the end face of the adjusting piece 23, so that the eccentric distance of the contact position of the eccentric portion 51 and the adjusting piece 23 is changed by screwing the eccentric portion 51, the sliding stroke of the damping sleeve 21 in the mounting sliding groove 241 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 it is defined that the first stop gear 511 corresponds to a condition of a minimum working stroke, and the second stop gear 512 corresponds to a condition of 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 sheet 23 at the moment is a position with a maximum eccentric distance, so that the damper 22 at the moment is 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 adjusting piece 23 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; 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.

Further, the mounting base plate 9 of the present embodiment is further configured with an adjusting base plate 91, wherein the adjusting base plate 91 is slidably mounted at the bottom of the mounting base plate 9 along the length direction of the mounting base plate 9 through a fixing pin, and an eccentric screw 92 is further disposed between the mounting base plate 9 and the adjusting base plate 91, specifically, an eccentric screw of the eccentric screw 92 penetrates through the mounting base plate 9 and is connected to the adjusting base plate 91, and the adjusting base plate 91 reciprocates along the fixing pin by screwing the eccentric screw 92, thereby realizing relative adjustment of the relative position between the mounting base plate 9 and the adjusting base plate 91 in the direction perpendicular to the mounting base plate 9.

The working principle of the two-segment force hinge described above is explained further below.

The hinge closing action: hinge cup 6 is when rotatory to the direction of closing, the torsion of torsional spring passes through its first foot and transmits to first support portion 33, thereby it is rotatory around second pivot and first pivot respectively with outer rocking arm 7 to drive in the rocker 3, crotch portion 31 top at this moment touches and drives damping cover 21 and remove towards the 1 front end direction of hinge arm, in this process, as supporting through damping fixing base 24, make the telescopic link of attenuator 22 exert the damping to damping cover 21 and slow down the effect, and then play the slew velocity who slows down hinge cup 6, and simultaneously, damping cover 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 slowly soft, 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 groove and moves away from the hinge arm 1, the hook part 31 swings towards the direction away from the damping sleeve 21, at the moment, the damping fixing seat 24 serves as a support, the telescopic end of the damper 22 is pushed against the damping sleeve 21 to move towards the tail end of the hinge arm 1, the eccentric part 51 of the adjusting unit 5 which is arranged in advance is abutted against the stop of the adjusting piece 23, 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 two-section power hinge, includes articulated arm (1), damping subassembly (2), locates first torsional spring (4) on the first pivot that articulated arm (1) front end was equipped with through second pivot pin joint in the interior rocker (3) and the cover of articulated arm (1) front end, its characterized in that: damping subassembly (2) include damping fixing base (24), directional sliding connection damping cover (21) on damping fixing base (24), fixed damper (22) of inlaying on damping fixing base (24), wherein, the limited fixing in damping fixing base (24) both ends is between articulated arm (1) and first torsional spring (4), the flexible end of damper (22) is held up with the inner chamber tail portion of damping cover (21) towards damping cover (21) and should stretch out and draw back the end and touch.

2. The two-stage force hinge of claim 1, wherein: damping cover (21) top surface is equipped with adjustment sheet (23), 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 (23) tail end face looks backstop, through twisting the flexible working stroke of adjusting element (5) in order to change damping subassembly (2).

3. The two-stage force hinge of claim 1, wherein: the damping fixing seat (24) is formed with an installation sliding groove (241) for the damping sleeve (21) to be embedded in a sliding mode.

4. The two-stage force hinge of claim 1, wherein: positioning blocks (12) are symmetrically formed on two inner side walls of the hinged arm (1), wherein the two positioning blocks (12) are in abutting limit fit with the front side of the damping fixing seat (24).

5. The two-stage force hinge of claim 4, wherein: the tail end of the damping fixing seat (24) is abutted against the first torsion spring (4), and the damping fixing seat (24) is limited jointly by the positioning block (12) and the first torsion spring (4).

6. The two-stage force hinge of claim 4, wherein: the damping fixing seat (24) abuts against the second rotating shaft, and the damping fixing seat (24) is limited by the positioning block (12) and the second rotating shaft together.

7. The two-stage 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).

8. The two-stage 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).

9. The two-stage force hinge of claim 1, wherein: the adjustable installation base plate is characterized by further comprising an installation base plate (9) and an adjusting base plate (91) arranged at the bottom of the installation base plate (9) in a sliding mode, wherein an eccentric screw (92) is arranged between the installation base plate (9) and the adjusting base plate (91), and the eccentric screw (92) is screwed to relatively adjust the relative position between the installation base plate (9) and the adjusting base plate (91) in the direction perpendicular to the installation base plate (9).