CN201826655U

CN201826655U - Door hinge

Info

Publication number: CN201826655U
Application number: CN201020287974XU
Authority: CN
Inventors: 胡利民
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-08-05
Filing date: 2010-08-05
Publication date: 2011-05-11
Anticipated expiration: 2020-08-05

Abstract

The utility model discloses a door hinge, which comprises a plane four-bar structure, wherein a fixed hinge seat, a long oscillating bar, a movable hinge seat and a short oscillating bar are linked sequentially to form the plane four-bar structure. The ranges of the hole distance sizes of hinge points of the plane four-bar structure are as follows: the hole distance of the hinge point of the fixed hinge seat is in the range of 29a plus and minus 3mm; the hole distance of the hinge point of the movable hinge seat is in the range of 12a plus and minus 2mm; the hole distance of the hinge point of the short oscillating bar is in the range of 69a plus and minus 3mm; and the hole distance of the hinge point of the long oscillating bar is in the range of 85a plus and minus 3mm, wherein a is a common ratio coefficient. By regulating the common ratio coefficient a, the size design of the four-bar structure of the utility model not only can meet the requirement that the cross section of the long oscillating bar or the short oscillating bar is designed according to a non-solid cross structure with an opening, but also can meet the using requirements that a cabinet door is exposed and lapped on a cabinet body frame and the cabinet door is embedded into an embedded refrigerator in a cabinet body when a cabinet door is thick.

Description

A kind of hinge

Technical field

A kind of hinge of the utility model relates to door of refrigerator hinge technical field, specially refers to refrigerator and is placed on the built-in refrigerator door hinge of using in the cabinet.

Background technology

Built-in refrigerator is to be placed on the electric equipment products of using in the cabinet, and the cabinet door and the cabinet fit form of cabinet have two kinds usually: a kind of is that cabinet reveals outdoors and rides on the cabinet frame, and another kind is that the cabinet door is embedded in the cabinet.Different with common cupboard door hinge, the main feature of built-in refrigerator door hinge is when opening cupboard door, and the door body of the door body of refrigerator and cabinet is opened simultaneously.At present, its hinge of the built-in refrigerator that domestic production is used to export mainly depends on import, but the problem that these products exist is: can not satisfy the cabinet door of above-mentioned two kinds of forms and the fit system of cabinet simultaneously when the cabinet thickness gate is thicker.

The utility model content

The purpose of a kind of hinge of the utility model is that the door hinge can satisfy the above-mentioned dual mode that the cabinet door cooperates with cabinet simultaneously when the cabinet door is thicker in order to solve.

For solving the problems of the technologies described above, construct a kind of hinge, comprise the plane four-bar linkage structure of forming by fixed hinge seat, long fork, hinges seat, the adjacent link in twos of short fork, and to have a link pivot pin at least be that tubular rivet is riveted.The hinge point pitch-row size range of described plane four-bar linkage structure is: the pitch-row of the pitch-row of the pitch-row of fixed hinge seat hinge point: 29a ± 3mm, hinges seat hinge point: 12a ± 2mm, short fork hinge point: the pitch-row of 69a ± 3mm, long fork hinge point: 85a ± 3mm; Wherein a is the common ratio coefficient.

In a kind of hinge of above-mentioned utility model, the span of described common ratio coefficient a is 0.7～1.3, by adjusting the span of common ratio coefficient a, can solve built-in refrigerator hinge door hinge when the cabinet door is thicker well and simultaneously can satisfy above-mentioned two kinds of mode of occupation that the cabinet door cooperates with cabinet.

In a kind of hinge of above-mentioned utility model, the cross section of described long fork or short fork is non-cross sectional shape solid, that opening is arranged.The concrete shape of the cross section of long fork or short fork can be C shape, U-shaped, K shape, ε shape, M shape or E shape.

In a kind of hinge of above-mentioned utility model, be provided with a switching servomechanism between long fork and the hinges seat.Door opens and closes servomechanism and is made up of spring support ring, spring, spring base, pressing rocking arm, wherein the spring support ring is connected on the long fork by pivot pin, spring base can slide along the spring support ring, spring is located between spring support ring and the spring base, the pressing rocking arm is fixed on the hinges seat, when the pressing rocking arm rotated with the hinges seat, the pressing rocking arm compressed spring by spring base.The bottom of spring base and sidepiece are respectively equipped with the buckle of projection, are provided with roller at the pressing rocking arm against an end of spring base, are provided with the curved surface adaptive with the roller profile phase in the end of spring base.Being provided with on the long fork, can make limited thrust groove of spring base and thrust breach when open angle during greater than set angle.When roller promotion spring base rotated in the long fork, the buckle on the spring base fell into to thrust groove and thrust breach.

Compared with prior art, the utlity model has following advantage:

1) the utility model is taked the design of Typical Planar quadric chain, the pitch-row length of 4 connecting rod link points can be done suitably to adjust by the common ratio coefficient, make cross section that the four-bar linkage structure size design can satisfy long fork or short fork by non-solid, cross sectional shape design that opening is arranged, can work as door body and the also unlatching synchronously of cupboard door body that the cabinet door can make built-in refrigerator when thicker again.

2) cross sectional shape of the long fork of a kind of hinge of the utility model or short fork specifically can be shapes such as " C ", " U ", " K ", " ε ", " E " or " M " shape, and it is simple in structure, component strength is high, cost is low.

3) the utility model: the shutter door servomechanism uniqueness of a kind of hinge, reliable in structure is durable, its spacing unhook design functional good, spring stable working state, life-span are long.

Description of drawings:

Fig. 1 is a kind of hinge of a utility model structural representation;

Fig. 2 is the structure cut-away view of a kind of hinge of the utility model at the state of closing the door;

Fig. 3 is the work partial schematic diagram of a kind of hinge of the utility model in door opening state;

Fig. 4 be a kind of hinge of the utility model servomechanism, and the pivot pin part split schematic diagram (the pressing rocking arm is not shown);

Fig. 5 is the long fork partial structurtes schematic diagram of a kind of hinge of the utility model.

The specific embodiment:

In the utility model, each label of Figure of description is represented respectively:

1 fixed hinge seat, 2 long fork 3 short fork 4 hinges seats

5 spring support rings, 6 springs, 7 spring bases, 8 pressing rocking arms

9 rollers, 10 spring base thrust grooves, 11 spring base thrust breach

12 support pin-and-holes, 13 rocking arm pivot pins (tubular rivet), 14 buckles

A fixed hinge seat hinge point pitch-row B hinges seat hinge point pitch-row

X1 ° of door opening angle of the short fork hinge point pitch-row D long fork hinge point pitch-row of C

Referring to Fig. 1～5, a kind of hinge of the utility model adopts plane four-bar linkage structure design, and it is made up of members such as fixed hinge seat 1, long fork 2, short fork 3, hinges seat 4, flexible shutter door servomechanisms.The cross section of long fork 2 or short fork 3 specifically can be the cross section of shapes such as " C ", " U ", " K ", " ε ", " M ", " E ".See Fig. 1, on the hinge node of fixed hinge seat 1, long fork 2, short fork 3, hinges seat 4, be respectively equipped with the link hole, the order of pressing fixed hinge seat 1, long fork 2, hinges seat 4, short fork 3 links to each other, four-bar linkage structure is formed in link in twos, in this four-bar linkage structure and its shutter door servomechanism, and to have a hinge pivot pin at least be the tubular rivet riveted joint.Four connecting rod link spot sizes of a kind of hinge of the utility model are: fixed hinge seat hinge point pitch-row A:29a ± 3mm, hinges seat hinge point pitch-row B:12a ± 2mm, short fork hinge point pitch-row 69a ± 3mm, long fork hinge point pitch-row D:85a ± 3mm.Wherein a represents the common ratio coefficient, and the span of a is 0.7～1.3.The size of the hinge point pitch-row A of four connecting rods, B, C, D can increase according to the common ratio coefficient according to the needs that reality is used or dwindle, for example the common ratio coefficient is 0.9 o'clock, and then the size of A, B, C, D is respectively 26.1 ± 3mm, 10.8 ± 2mm, 62.1 ± 3mm, 76.5 ± 3mm; For example the common ratio coefficient is 1.1 o'clock, fixed hinge seat hinge point pitch-row A then, hinges seat hinge point pitch-row B, short fork hinge point pitch-row C, the size of long fork hinge point pitch-row D is respectively 31.9 ± 3mm, 13.2 ± 2mm, 75.9 ± 3mm, 93.5 ± 3mm, those skilled in the art can be according to the criterion that the utility model proposes, to A, B, C, the size of D is made suitable adjustment, thereby make fixed hinge seat hinge point pitch-row A, hinges seat hinge point pitch-row B has structure that enough spaces make long fork 2 or short fork 3 by required non-solid, the cross sectional shape design of opening is arranged and satisfy cabinet door when the cabinet door is thicker, the requirement that refrigerator doors is opened simultaneously, thus reach simple in structure, the intensity height, the technique effect of good endurance.

A kind of hinge of the utility model is provided with flexible shutter door servomechanism between long fork 2 and hinges seat 4, the convenience when realizing opening door is with dexterous.

Referring to Fig. 1～5, flexible shutter door servomechanism is arranged between long fork 2 and the hinges seat 4, comprising: spring support ring 5, spring 6, spring base 7 and pressing rocking arm 8.End at pressing rocking arm 8 is provided with roller 9, and pressing rocking arm 8 usefulness pivot pins are riveted in the hole of two hinge points of hinges seat 4, and pivot pin 13 is the tubular rivet riveted joint.Wherein long fork 2 also is the hole of the rocking arm pivot pin 13 of pressing rocking arm 8 with the hole of the hinge point of hinges seat 4.

See Fig. 5, on long fork 2, be provided with the pin-and-hole 12 of spring support ring, the spring support pin is installed on the pin-and-hole 12.Spring support ring 5 can rotate around the spring support pin.In a segment distance of switch door process, roller 9 will contact with the outer end curved surface of spring base 7, and the outer face curve form of the outline of roller 9 and spring base 7 is suitable.See Fig. 4, spring base 7 is slidingly connected with spring support ring 5, in establish spring 6, under the pressure effect of the elastic force of spring 6 and roller 9, spring base 7 slides in spring support ring 5.See Fig. 3, Fig. 5, on the sidepiece of long fork 2, be provided with spring base thrust groove 10, be provided with thrust breach 11 in the bottom of long fork 2.The buckle 14 that is respectively equipped with protrusion in the side and the bottom surface of spring base 7, in the process of opening the door, spring support ring 5 is around 12 rotations of the spring support pin-and-hole on the long fork, drive spring 6 with spring base 7 rotations, when opening after X1 ° of door angle reach certain angle, the buckle 14 of spring base 7 sidepieces and bottom drops into respectively in thrust groove 10 and the thrust breach 11 under the effect of rocking arm 8 and roller 9.When rocking arm 8 continues when rocking arm pivot pin 13 rotates counterclockwise, because of spring base 7 is subjected to the restriction of thrust groove 10 and thrust breach 11, pressing rocking arm 8 and spring base 7 are broken off relations, spring force no longer acts on the roller 9; the power-assisted effect of rocking arm 8 disappears, thereby forms intermittently assist function.After refrigerator doors was driven to the unhook state, the door body was in free movement state; Otherwise, in the process of closing the door; rocking arm 8 clockwise rotates around rocking arm pivot pin 13; roller 9 enters on the outer end curved surface of spring base 7 and goring push spring seat 7 rotates around spring support pin-and-hole 12; make buckle 14 leave thrust groove 10 and thrust breach 11,, spring 6 promotes door auto-closings thereby discharging the elastic force energy.

Help the suction principle to be described in detail as follows:

The process of opening the door: open when reaching an opening angle X1 ° when door, the member direction of rotation that door opens and closes its each several part of servomechanism is: hinges seat 4 is

To, long fork 2 be

To, pressing rocking arm 8 is

To; Around 12 rotations of the spring support pin-and-hole on the long fork 2, rotation direction is under roller 9 thrust of pressing rocking arm 8 for spring support ring 5, spring 6, spring base 7 When roller 9 axle center went to the line of centres of spring support pin-and-hole 12 and rocking arm pivot pin 13, it is maximum that the decrement of spring 6 reaches; When roller 9 axle center had turned over the line of centres of spring support pin-and-hole 12 and rocking arm pivot pin 13, spring 6 began to discharge elastic energy, made roller 9 produce the tangential elasticity component that points to the direction of opening the door, and promotes pressing rocking arm 8 drive hinges seats 4 door is opened.After door continues to be opened to certain angle, buckle 14 on spring base 7 sidepieces and the bottom is under the effect of roller 9, drop in thrust groove 10 on the long fork, the thrust breach 11 around spring support pin-and-hole 12 rotation, roller 9 and spring base 7 are broken off relations, spring force no longer acts on the roller 9, thereby form intermittently assist function, realize that after door was driven to the unhook state, door can be in free movement state.

The process of closing the door: the door body that promotes to be in opening, dodge gate free bearing 4 is towards the direction rotation of closing the door, roller 9 enter on the outer end curved surface of spring base 7 and goring push spring seat 7 around 12 rotations of spring support pin-and-hole, make buckle 14 leave thrust groove 10 and thrust breach 11, when roller 9 axle center went to the line of centres of spring support pin-and-hole 12 and rocking arm pivot pin 13, it is maximum that the decrement of spring 6 reaches; When roller 9 turned over the line of centres of spring support pin-and-hole 12 and rocking arm pivot pin 13, spring 6 discharges elastic force made roller 9 produce the tangential elasticity component that points to the direction of closing the door, and spring 6 discharges elastic energies promotion pressing rocking arm 8 and drives hinges seats 4 with the door auto-closing.

A kind of hinge of the utility model is owing to adopted the above-mentioned structure and the size design of hinge point, by adjusting common ratio coefficient a, the door hinge can be solved when the cabinet door is thicker and built-in refrigerator can be satisfied simultaneously in two kinds of different cabinet doors and the instructions for use under the cabinet fit system, can satisfy cabinet and reveal outdoors to ride on the cabinet body frame and use, can satisfy the cabinet door again and be bumped into instructions for use in the cabinet.

Claims

1. a door cuts with scissors, comprise by fixed hinge seat (1), long fork (2), hinges seat (4), the adjacent plane four-bar linkage structure of link in twos of short fork (3) and forming that it is characterized in that: the hinge point pitch-row size range of described plane four-bar linkage structure is: the pitch-row of the pitch-row of the pitch-row of fixed hinge seat hinge point: 29a ± 3mm, hinges seat hinge point: 12a ± 2mm, short fork hinge point: the pitch-row of 69a ± 3mm, long fork hinge point: 85a ± 3mm; A is the common ratio coefficient.

2. a kind of hinge according to claim 1 is characterized in that: the span of described common ratio coefficient a is 0.7～1.3.

3. a kind of hinge according to claim 1 and 2 is characterized in that: the fork cross section right and wrong of described long fork (2) or short fork (3) are solid and be provided with the cross sectional shape of opening.

4. a kind of hinge according to claim 3 is characterized in that: the fork shape of cross section of described long fork (2) or short fork (3) can be C shape or U-shaped or K shape or ε shape or M shape or E shape.

5. a kind of hinge according to claim 4 is characterized in that: be provided with a switching servomechanism between described long fork (2) and the hinges seat (4).

6. a kind of hinge according to claim 5, it is characterized in that: described door opens and closes servomechanism by spring support ring (5), spring (6), spring base (7), pressing rocking arm (8) is formed, described spring support ring (5) is linked in the long fork (2), spring base (7) can slide along spring support ring (5), spring is located between spring support ring (5) and the spring base (7), pressing rocking arm (8) is fixed on the hinges seat (4), when pressing rocking arm (8) rotated with hinges seat (4), pressing rocking arm (8) can push described spring by spring base (7).

7. a kind of hinge according to claim 6, it is characterized in that: the buckle (14) that is provided with projection in the bottom of spring base (7), establish roller (9) at pressing rocking arm (8) against an end of spring base (7), be provided with and the adaptive curved surface of roller (9) profile phase in the end of spring base (7), can make spring base (7) at door angle of release degree limited thrust breach (11) when setting open angle being provided with on the long fork (2), when roller (9) promotion spring base (7) rotated in the long fork (2), the buckle (14) of spring base (7) screwed in the thrust breach (11).

8. a kind of hinge according to claim 6, it is characterized in that: the buckle (14) that is provided with projection at the sidepiece of spring base (7), establish roller (9) at pressing rocking arm (8) against an end of spring base (7), be provided with and the adaptive curved surface of roller (9) profile phase in the end of spring base (7), can make spring base (7) at door angle of release degree limited thrust groove (10) when setting open angle being provided with on the long fork (2), when roller (9) promotion spring base (7) rotated in the long fork (2), the buckle (14) of spring base (7) screwed in the thrust groove (10).

9. a kind of hinge according to claim 7, it is characterized in that: the buckle (14) that is provided with projection at the sidepiece of spring base (7), establish roller (9) at pressing rocking arm (8) against an end of spring base (7), be provided with and the adaptive curved surface of roller (9) profile phase in the end of spring base (7), can make spring base (7) at door angle of release degree limited thrust groove (10) when setting open angle being provided with on the long fork (2), when roller (9) promotion spring base (7) rotated in the long fork (2), the buckle (14) of spring base (7) screwed in the thrust groove (10).

10. a kind of hinge according to claim 1 or 5 is characterized in that: in the middle of the hinge point of plane four-bar linkage structure and door opened and closed servomechanism hinge point pivot pin, having a pivot pin at least was tubular rivet.