CN111042684A

CN111042684A - Upturning door hinge hovering at any angle

Info

Publication number: CN111042684A
Application number: CN202010053904.6A
Authority: CN
Inventors: 蔡耿锡; 罗积华; 伦锴成
Original assignee: Guangdong Saca Precision Manufacturing Co Ltd
Current assignee: QINGYUAN XINGHUI PRECISION MANUFACTURING Co.,Ltd.
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-04-21

Abstract

The invention discloses an upturning door hinge hovering at any angle, which comprises a connecting rod assembly, a power mechanism, a buffer mechanism and a shell mounting seat, wherein the connecting rod assembly consists of a connecting rod a, a connecting rod b, a connecting rod c, a connecting rod d and a connecting rod e, the connecting rod e is designed into a cam shape, the power mechanism comprises a cam bearing, an adjusting force arm, an upper sleeve, a main spring, a lower sleeve, an adjusting bolt and an adjusting block, the buffer mechanism comprises a door opening buffer mechanism and a door closing buffer mechanism, and the power mechanism is in sliding connection with the contour line of the connecting rod e of the connecting rod assembly through the cam bearing; according to the hinge provided by the invention, by changing the contour line of the cam, a series of products can be developed to meet the requirements of different users on the door opening angle, the door closing angle and the hovering angle, hovering at any angle can be realized, independent buffering is adopted for closing and opening, the switch is softer and more silent, and the hinge of the same type can adapt to a large-range door plate load without influencing the user experience.

Description

Upturning door hinge hovering at any angle

Technical Field

The invention particularly relates to an upturned door hinge, in particular to an upturned door hinge hovering at any angle.

Background

The upturning door hinge is mainly used for installing and connecting a cabinet body and a door panel and generally comprises a connecting rod assembly and a power mechanism for realizing contraction and expansion of the connecting rod, Chinese patent document No. CN105155963B discloses an upturning door hinge device, the original power of the device is provided by a tension spring, the acting force effect is realized by adjusting the position of a spring to realize the length of an arm of force, the acting force direction is realized by the direction of the connecting rod connected with the arm of force when the door panel is closed and opened, and the mechanism can realize automatic opening and closing of the door panel. However, the door plate can be suspended randomly, only temporary suspension can be realized through friction force, arbitrary suspension cannot be realized, and the load range corresponding to the automatic opening or closing function of the hinge of the same type is narrow.

Therefore, in view of the above problems, there is a need for an upturned door hinge assembly that allows the hinge to hover at any angle, be soft to close and open, and be adaptable to a wide range of door panel loads.

Disclosure of Invention

The invention aims to provide an upturned door hinge hovering at any angle so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an upturning door hinge hovering at any angle comprises a connecting rod assembly, a power mechanism, a buffer mechanism and a shell mounting seat, wherein the connecting rod assembly consists of a connecting rod a, a connecting rod b, a connecting rod c, a connecting rod d and a connecting rod e, the connecting rod a is fixed with a door panel, the motion of the connecting rod a is overturned to drive the door panel to move, the connecting rod a is respectively and rotatably connected with the connecting rod b and the connecting rod c, the connecting rod b is rotatably connected with the connecting rod d, the connecting rod c is respectively and rotatably connected with the connecting rod d and the connecting rod e in the middle, the connecting rod d and the connecting rod e are respectively and rotatably mounted on the shell mounting seat through an auxiliary rotating shaft and a cam rotating shaft, the connecting rod e is designed into a cam shape, the power mechanism comprises a cam bearing, an adjusting force arm, an upper sleeve, a main spring, a lower sleeve, an adjusting bolt, the power mechanism is connected with the contour line of the connecting rod e of the connecting rod assembly in a sliding way through the cam bearing.

Further scheme: the adjusting mechanism is characterized in that the upper end and the lower end of the main spring are respectively sleeved in the upper sleeve and the lower sleeve, the top end of the upper sleeve is rotatably fixed on the housing mounting seat, the bottom of the lower sleeve is rotatably fixed on the adjusting block, the front end of the adjusting force arm is rotatably fixed on the cam bearing, the rear end of the adjusting force arm is rotatably fixed on the housing mounting seat, an adjusting groove for slidably clamping the adjusting block is formed in the adjusting force arm, and an adjusting bolt which is supported on the adjusting block and used for adjusting the left position and the right position of the adjusting block is arranged in the adjusting groove in a penetrating.

Further scheme: the door opening buffer mechanism comprises a mounting seat and a door opening damper, the mounting seat is mounted on the upper side of the connecting rod e, and the damping end of the door opening damper faces the top side wall of the connecting rod e.

Further scheme: the door closing buffer mechanism comprises a damper force arm and a door closing damper, the door closing damper is installed below the connecting rod e, the middle of the damper force arm is fixed on the shell installation seat in a rotating mode through a force arm rotating shaft, the bottom end of the damper force arm is connected with the damping end of the door closing damper in a rotating mode, and the top end of the damper force arm is located at the storage position of the connecting rod b when the door plate is closed.

Further scheme: and a buffer plate is arranged at the top end of the damper force arm, which is in contact with the connecting rod b.

Compared with the prior art, the invention has the beneficial effects that: according to the hinge provided by the invention, by changing the contour line of the cam, a plurality of series of products can be developed to meet the requirements of different users on the door opening angle, the door closing angle and the hovering angle, hovering at any angle can be realized, the closing and opening are soft, the hinge of the same type can adapt to a large-range door plate load without influencing the user experience, and the switch panels respectively adopt independent buffer mechanisms, so that the buffer effect and the mute property are improved.

Drawings

Fig. 1 is a schematic structural diagram of an upturned door hinge hovering at any angle.

Fig. 2 is a schematic structural view of the case mounting seat mounted on the cabinet body and the connecting rod a fixing the door panel in the upturned door hinge hovering at any angle.

FIG. 3 is a schematic structural diagram of a connecting rod assembly in an upturned door hinge hovering at any angle.

FIG. 4 is a schematic structural diagram of a side view of an adjusting force arm in an upturned door hinge hovering at any angle.

FIG. 5 is a schematic structural diagram of a door closing buffer mechanism in an upturned door hinge hovering at any angle.

In the figure: the door opening damper comprises a connecting rod a1, a connecting rod b2, a connecting rod c3, a connecting rod d4, a connecting rod e5, a cam bearing 6, an adjusting arm of force 7, an upper sleeve 8, a main spring 9, a lower sleeve 10, an adjusting bolt 11, an adjusting block 12, a mounting seat 13, a door opening damper 14, a damper arm of force 15, a door closing damper 16, an auxiliary rotating shaft a, a cam rotating shaft b and an arm of force rotating shaft e.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 5, in an embodiment of the present invention, an upturning door hinge hovering at any angle includes a connecting rod assembly, a power mechanism, a buffer mechanism and a housing mounting seat, where the connecting rod assembly includes a connecting rod a1, a connecting rod b2, a connecting rod c3, a connecting rod d4 and a connecting rod e5, the connecting rod a1 is fixed to a door panel, the movement of the connecting rod a1 is turned to drive the door panel to move, the connecting rod a1 is respectively rotatably connected to the connecting rod b2 and the connecting rod c3, the connecting rod b2 is rotatably connected to the connecting rod d4, the connecting rod c3 is respectively rotatably connected to the connecting rod d4 and the connecting rod e5, the connecting rod c3 and the connecting rod d4 are respectively rotatably connected to the middle portions of the connecting rod d4 and the connecting rod e5, the connecting rod e5 is designed to a cam shape, the power mechanism includes a cam bearing 6, an adjusting arm 7, an upper sleeve 8, a main spring 9, a lower sleeve 10, an, the buffering structure comprises a door opening buffering mechanism and a door closing buffering mechanism, the power mechanism is in sliding connection with the contour line of a connecting rod e5 of the connecting rod assembly through the cam bearing 6, the connecting rod a1 is fixed with the door panel, the door panel moves to drive the whole connecting rod assembly to move, the connecting rod e5 rotates around a cam shaft b in a motion state, and the corresponding connecting rod e5 also drives the door panel to move in an opening and closing mode.

The upper end and the lower end of the main spring 9 are respectively sleeved in the upper sleeve 8 and the lower sleeve 10, the top end of the upper sleeve 8 is rotationally fixed on the mounting seat of the shell, the bottom of the lower sleeve 10 is rotationally fixed on the adjusting block 12, the front end of the adjusting force arm 7 is rotationally fixed with a cam bearing 6, the rear end of the adjusting force arm 7 is rotationally fixed on the shell mounting seat, an adjusting groove for slidably clamping the adjusting block 12 is arranged in the adjusting arm of force 7, an adjusting bolt 11 which is propped against the adjusting block 12 and is used for adjusting the left and right positions of the adjusting block 12 is arranged in the adjusting groove in a penetrating way, when the connecting rod a1 is used for installing door panels with different weights, the position of the whole door panel 9 acting on the adjusting arm 7 is changed by the adjusting bolt 11, therefore, the stress of the adjusting force arm 7 is changed, the cam bearing 6 can generate acting forces with different force to the connecting rod e5, and the same hinge can meet the requirements of different door weights.

The door opening buffer mechanism comprises a mounting seat 13 and a door opening damper 14, the mounting seat 13 is mounted on the upper side of the connecting rod e5, the damping end of the door opening damper 14 faces the top side wall of the connecting rod e5, and when the door plate is opened to a certain angle, the connecting rod e5 is in contact with the damping end of the door opening damper 14 of the door opening buffer mechanism to generate damping, so that the door plate is prevented from being closed too fast.

The door closing buffer mechanism comprises a damper force arm 15 and a door closing damper 16, the door closing damper 16 is installed below a connecting rod e5, the middle part of the damper force arm 15 is rotationally fixed on a shell installation seat through a force arm rotating shaft e, the bottom end of the damper force arm 15 is rotationally connected with a damping end of the door closing damper 16, the top end of the damper force arm 15 is located at a containing position of a connecting rod b2 when the door plate is closed, the connecting rod b2 is in contact with the damper force arm 15 when the door plate is closed to a certain angle, the connecting rod b2 pushes the damper force arm 15 to rotate around the rotating shaft e due to the door closing trend, the door closing damper 16 is pushed to work to generate damping, and the door plate is prevented from being closed too fast to impact.

The working principle of the invention is as follows: the connecting rod e5 is designed into a cam, the cam bearing 6 of the power mechanism rolls on the cam when moving, the power provided by the power mechanism is transmitted to the connecting rod e5 through the cam bearing 6 and acts on a contact point, and the direction is the normal direction of the tangent line of the contact point of the bearing and the cam, as shown in the figure, when the normal direction is on the left side of the rotating shaft b, the acting force provided by the power mechanism is that the door panel tends to open, when the normal direction is on the right side of the rotating shaft b, the acting force provided by the power mechanism is that the door panel tends to close, the gravity tendency of the door panel and the connecting rod assembly is that; when the sum of the moments is anticlockwise rotation, the door panel is automatically opened, when the sum of the moments is clockwise rotation, the door panel is automatically closed, and when the sum of the moments is zero, the door panel is suspended; the motion characteristics of the door panel required by people can be realized by adjusting the profile of the cam and changing the normal direction and the distance from the rotating shaft b, so that the door panel can be closed, opened or suspended at any angle.

Example 2

This example differs from example 1 in that:

be equipped with the roll breach that is used for accepting connecting rod e5 top on the mount pad 13, the roll breach is located open door damper 14 right side, and the roll breach is located connecting rod e5 top, the roll breach comprises two vertical fixed pivots of rotating, can move roll breach department when connecting rod e5 anticlockwise upward movement, and connecting rod e 5's top can be in the smooth entering roll breach that rolls under the pivot effect of roll breach both sides, can not bump the shell mount pad top and also guarantee connecting rod e5 also can not the horizontal hunting simultaneously.

The top that the attenuator arm of force 15 is used for contacting with connecting rod b2 sets up the buffer board, and the buffer board that sets up can prevent attenuator arm of force 15 and connecting rod b2 mechanical collision, reduces mechanical wear, improves the holistic silence nature of hinge.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An upturning door hinge hovering at any angle comprises a connecting rod assembly, a power mechanism, a buffer mechanism and a shell mounting seat, and is characterized in that the connecting rod assembly consists of a connecting rod a (1), a connecting rod b (2), a connecting rod c (3), a connecting rod d (4) and a connecting rod e (5), the connecting rod a (1) is fixed with a door panel, the connecting rod a (1) moves and overturns to drive the door panel to move, the connecting rod a (1) is respectively and rotatably connected with the connecting rod b (2) and the connecting rod c (3), the connecting rod b (2) is rotatably connected with the connecting rod d (4), the connecting rod c (3) is respectively and rotatably connected with the connecting rod d (4) and the connecting rod e (5) in the middle part, the connecting rod d (4) and the connecting rod e (5) are respectively and rotatably mounted on the shell mounting seat through an auxiliary rotating shaft (a) and a cam rotating shaft (b), the connecting rod e (5) is designed to be in a cam shape, the power mechanism comprises a cam bearing (6), an adjusting force arm (7), an upper sleeve (8), a main spring (9), a lower sleeve (10), an adjusting bolt (11) and an adjusting block (12), the buffering structure comprises a door opening buffering mechanism and a door closing buffering mechanism, and the power mechanism is in sliding connection with the contour line of the connecting rod e (5) of the connecting rod assembly through the cam bearing (6).

2. The upward hinged door hinge capable of hovering at any angle according to claim 1, wherein the upper end and the lower end of the main spring (9) are respectively sleeved in an upper sleeve (8) and a lower sleeve (10), the top end of the upper sleeve (8) is rotationally fixed on the housing mounting seat, the bottom of the lower sleeve (10) is rotationally fixed on the adjusting block (12), the front end of the adjusting arm (7) is rotationally fixed with the cam bearing (6), the rear end of the adjusting arm (7) is rotationally fixed on the housing mounting seat, an adjusting groove of the adjusting block (12) in sliding clamping connection is formed in the adjusting arm (7), and an adjusting bolt (11) which abuts against the adjusting block (12) and is used for adjusting the left position and the right position of the adjusting block (12) is arranged in the adjusting groove in a penetrating manner.

3. The flip-up door hinge hovering at any angle according to claim 1, wherein the door opening buffer mechanism comprises a mounting seat (13) and a door opening damper (14), the mounting seat (13) is mounted on the upper side of the link e (5), and the damping end of the door opening damper (14) is opposite to the top side wall of the link e (5).

4. The upturning door hinge hovering at any angle according to claim 1, wherein the door closing buffer mechanism comprises a damper force arm (15) and a door closing damper (16), the door closing damper (16) is installed below the connecting rod e (5), the middle part of the damper force arm (15) is rotationally fixed on the housing mounting seat through a force arm rotating shaft (e), the bottom end of the damper force arm (15) is rotationally connected with the damping end of the door closing damper (16), and the top end of the damper force arm (15) is located at the storage position of the connecting rod b (2) when the door panel is closed.

5. The hinged.