CN202081754U

CN202081754U - Door hinge

Info

Publication number: CN202081754U
Application number: CN2010206878144U
Authority: CN
Inventors: 胡利民
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-22
Filing date: 2010-12-22
Publication date: 2011-12-21
Anticipated expiration: 2020-12-22

Abstract

A door hinge of the utility model utilizes a planar four-connecting-rod mechanism and is designed according to one group of mutually associated size data groups of hinge points; the door hinge comprises the planar four-connecting-rod mechanism in which a fixed base, a long oscillating bar, a movable base, a short oscillating bar and an axle pin are mutually connected, wherein size G of an installing screw hole on the fixed base is not larger than size H of the hinge point on the long oscillating rod. The installation size of the door hinge is reduced by installation of a notch 18 on the long oscillating rod 2; a support rib 19 is installed on the fixed base 1 and supports an inner structure of the fixed base so as to improve rigidity of the door hinge; then the utility model preferably meets requirements for usage function of the embedded refrigerator door hinge and appearance and shape designs of refrigerator.

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 different with common cupboard door hinge, the main feature of built-in refrigerator door hinge is when opening cupboard door, and the door of refrigerator and the door of cabinet are opened simultaneously.At present, the built-in refrigerator door hinge of domestic production mainly depends on import, yet built-in refrigerator is when design, usually with 2 screws door being cut with scissors holder fixedlys connected with refrigerator body, with 2 screws door is cut with scissors sliding seat and fixedly connected with refrigerator door, with 6-10 screw that the door body of the Men Tiyu cabinet of refrigerator is fixedly connected.For generally bigger display screen of design or appearance ornamental pieces in the close refrigerator medial region of door hinge handsome in appearance.But the problem that has part door hinge product to exist is: it is bigger that door hinge installation dimension occupies the space of refrigerator, wherein exceeded the size range of long fork hinge point near the door hinge screw installation dimension of refrigerator inboard, influences the modeling effect of refrigerator outward appearance.

The utility model content

The purpose of a kind of hinge of the utility model is bigger in order to solve the position that takes up space when a hinge is installed on refrigerator, and the door hinge mounting screw size of close refrigerator inboard has exceeded the size positions of long fork hinge point, influences the problem of refrigerator appearance and modeling.

For solving the problems of the technologies described above, construct a kind of hinge, comprise the lanar four rod mechanism of forming by holder, long fork, sliding seat, short fork, pivot pin, be tubular rivet for the facility of riveting has a pivot pin at least.The hinge point pitch-row size range of described lanar four rod mechanism is: the pitch-row of the pitch-row of the pitch-row of holder hinge point: 29 ± 5mm, seat hinge point: 12 ± 5mm, short fork hinge point: the pitch-row of 69 ± 5mm, long fork hinge point: 85 ± 5mm.

In above-mentioned door hinge, breach that instrument can pass of design on long fork, door hinge of design is installed the trip bolt hole on the holder of breach same position, pass this gap position of long fork with instrument, be easy to the door hinge is fastened on the refrigerator body, thereby the mounting screw size that makes refrigerator inboard on the holder is apart from shortening, and is less than or equal to the size of long fork refrigerator inboard hinge point.The mounting screw size of refrigerator inboard distance is on the holder: the size of cutting with scissors trip bolt from the lugs position of holder refrigerator outer edge side to the refrigerator inner door; The size of long fork refrigerator inboard hinge point is: the size of the long fork hinge point on from the lugs position of holder refrigerator outer edge side to holder.

A kind of above-mentioned hinge, forms by holder, long fork, sliding seat, short fork, the interconnective lanar four rod mechanism of pivot pin, it is characterized in that: the size of the long fork hinge point on the size of cutting with scissors trip bolt from lugs position to the refrigerator inner door of holder refrigerator outer edge side is less than or equal to from the lugs position of holder refrigerator outer edge side to holder.

In above-mentioned door hinge, because the installation dimension scope of trip bolt reduces,, near the long fork hinge point on the holder, designed a brace rod in order to increase the rigidity of holder, described brace rod item is against the internal construction of holder.Brace rod and holder are one, and it is the effect of playing the supporting holder after bending forms.

In above-mentioned door hinge, the cross section of described long fork or short fork is non-solid and be provided with the cross sectional shape of opening, so that improve intensity.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 the above-mentioned door hinge, be provided with a switching servomechanism between long fork and the sliding 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 sliding seat, when the pressing rocking arm rotated with sliding 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 lanar four rod mechanism design, it is simple in structure, the pitch-row length of 4 connecting rod link points is one group and is made up of 4 data that are mutually related, quadric chain with this group design data can satisfy the trip bolt installation dimension that reduces the door hinge, the cross section that satisfies long fork or short fork again is by non-solid and be provided with the high strength cross sectional shape design of opening, thereby not only satisfied the function of use requirement of built-in refrigerator door hinge but also can satisfy the designing requirement of the appearance and modeling of refrigerator.

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 screw installation drawing of the utility model holder and long fork part when closing the door state

Fig. 4 is the work partial schematic diagram of a kind of hinge of the utility model in door opening state;

Fig. 5 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. 6 is the long fork partial structurtes schematic diagram of a kind of hinge of the utility model.

Fig. 7 is the tubular rivet schematic diagram.

The specific embodiment:

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

1 holder, 2 long fork 3 short fork 4 sliding seat

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 bracket pins, 13 rocking arm pivot pins (tubular rivet), 14 buckles

15 support shaft pin-and-holes, 16 trip bolts, 17 trip bolts, 18 long fork breach

19 holder brace rods, 20 refrigerator bodies, 21 cabinet inside walls

The flange 23 refrigerator door trip bolts 24 cupboard door bodies of 22 holder refrigerator outer edge sides

25 refrigerator doors, 26 refrigerator doors and cupboard door body trip bolt

A holder hinge point pitch-row B seat hinge point pitch-row

The long fork hinge point of the short fork hinge point pitch-row D of C pitch-row

The long fork hinge point of G fastening screw installation dimension H pitch-row size

X1 ° of door opening angle

Referring to Fig. 1～6, a kind of hinge of the utility model adopts the lanar four rod mechanism design, and it is made up of members such as holder 1, long fork 2, short fork 3, sliding seat 4, flexible shutter door servomechanisms.Described door hinge is fastenedly connected the casing 20 that door cuts with scissors holder 1 and refrigerator with trip bolt 16, trip bolt 17, with refrigerator door trip bolt 23 door is cut with scissors sliding seat 4 refrigerator doors and be fastenedly connected, refrigerator door 25 and cupboard door body 24 are fastenedly connected with refrigerator door and cupboard door body trip bolt 26.Be provided with the long fork breach 18 that can realize that trip bolt 16 is installed on long fork 2, and long fork (2) hinge point side is provided with the brace rod 19 that increases rigidity on holder, described brace rod 19 is leaning the internal construction of holder 1.Brace rod 19 is an one with holder 1, and it is that bending forms the effect that the supporting holder reaches the raising rigidity of playing.The cross section of the long fork 2 of a kind of hinge of the utility model or short fork 3 is non-solid and be provided with the shaped design of opening, and its structure specifically can be the cross section of shapes such as " C ", " U ", " K ", " ε ", " M ", " E ".See Fig. 1, be provided with the shutter door servomechanism on the quadric chain of described door hinge, to have a pivot pin in convenient its pivot pin at least be the tubular rivet riveted joint in order to rivet, and the form of structure of tubular rivet is seen Fig. 7.Four connecting rod link spot sizes of a kind of hinge of the utility model are: holder hinge point pitch-row A:29 ± 5mm, seat hinge point pitch-row B:12 ± 5mm, short fork hinge point pitch-row C:69 ± 5mm, long fork hinge point pitch-row D:85 ± 5mm.The size of the hinge point pitch-row A of four connecting rods, B, C, D is one group of data group that is mutually related, they have certain span and keep corresponding regular collocation relation, and described fixing collocation relation is: (A, B, C, D)=(29 ± 5mm, 12 ± 5mm, 69 ± 5mm, 85 ± 5mm).The corresponding relation of this data group specifies as follows: the span of size A is that 24mm～34mm, B size span are that 7mm～17mm, C size span are 64mm～74mm, and D size span is 80mm～90mm.Illustrate: size A, B, C, D is value in its corresponding span respectively, as: size A=24.2, size B=9, size C=65.2, dimension D=87 o'clock, the hinge point pitch-row A that forms four connecting rods, B, C, the size of D is that one group of data group that is mutually related is (24.2,9,65.2,87), as size A=32, size B=11, size C=66, dimension D=88 o'clock, the hinge point pitch-row A that forms four connecting rods, B, C, another group of the size of D data group that is mutually related is (32,11,66,88), those skilled in the art can be according to the A that the utility model proposes, B, C, the value criterion of D size, to A, B, C, the size of D is made suitable adjustment, make holder hinge point pitch-row A, seat hinge point pitch-row B has structure that enough spaces satisfy long fork 2 or short fork 3 to design by required non-solid and cross sectional shape that be provided with opening, and can be implemented in design shutter door servomechanism on described the quadric chain that cuts with scissors, on near the position of the long fork 2 hinge point sides of holder, design the breach 18 that instrument can pass, trip bolt 16 makes hinge 1 holder be connected fastening with refrigerator body 20 by the breach 18 of long fork, make the position dimension of screw 16 installation dimensions, occupied spatial dimension is installed on refrigerator thereby reduce door hinge less than long fork 2 hinge points on the holder.

A kind of hinge of the utility model, form by holder 1, long fork 2, sliding seat 4, short fork 3, pivot pin 13 interconnective lanar four rod mechanisms, it is characterized in that: the trip bolt 16 installation dimension G on the holder 1 are less than or equal to the size H of long fork 2 upper hinge points, and fastening screw installation dimension G is: from the size of refrigerator outer edge side flange 22 positions to trip bolt 16 positions on the holder 1; Long fork hinge point pitch-row size H is: the size of the long fork hinge point on from refrigerator outer edge side flange 22 positions on the holder to holder.Flange 22 on the holder 1 is fitted mutually with cabinet inwall 21, and the gap is very little usually; And the door hinge is provided with long fork breach 18 on long fork 2, trip bolt 16 makes a hinge holder 1 be connected fastening with refrigerator body 20 by long fork breach 18.

A kind of hinge of the utility model be by above-mentioned design, thereby satisfy the function of use and the appearance and modeling designing requirement of built-in refrigerator door hinge, thereby reach simple in structure, compact, intensity is high, the technique effect of good endurance.

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

Shutter door servomechanism principle: see also Fig. 1～6, flexible shutter door servomechanism is arranged between long fork 2 and the sliding 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 sliding seat 4, and pivot pin 13 sees Fig. 7 for details for 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 sliding seat 4.

See Fig. 6, on long fork 2, be provided with the pin hole 15 of spring support ring, spring support pin 12 is installed on the pin hole 15.Spring support ring 5 can rotate around spring support pin 12.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. 5, 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. 4, Fig. 6, 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 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, and roller 9 enters on the outer end curved surface of spring base 7 and goring push spring seat 7 rotates around spring support pin 12, make buckle 14 leave thrust groove 10 and thrust breach 11, promote the door auto-closing thereby spring 6 discharges the elastic force energy.

Help and inhale being described in detail as follows that principle rotatablely moves and realize:

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: sliding seat 4 is

To, long fork 2 be

To, pressing rocking arm 8 is

To; Around 12 rotations of the spring support pin 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 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 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 sliding seat 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 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, sliding seat 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, 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 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 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 sliding seat 4 with the door auto-closing.

A kind of hinge of the utility model is owing to adopted above-mentioned lanar four rod mechanism and one group of hinge point sized data group design that is mutually related, by gap 18 on long fork 2, realized reducing of door hinge installation dimension, and on holder 1, be provided with brace rod 19, described brace rod 19 is leaning the internal construction of holder 1, improve the rigidity of door hinge, thereby satisfy the function of use of built-in refrigerator door hinge and the appearance and modeling designing requirement of refrigerator preferably.

Claims

1. a door cuts with scissors, form by holder (1), long fork (2), sliding seat (4), short fork (3), the interconnective lanar four rod mechanism of pivot pin (13), it is characterized in that: trip bolt (16) the installation dimension G on the holder (1) is less than or equal to the size H of long fork (2) upper hinge point, and described trip bolt (16) installation dimension G is to the size of cutting with scissors trip bolt (16) installation site from refrigerator outer edge side flange (22) position on the holder (1); Described long fork (2) hinge point pitch-row size H is the size of the long fork hinge point on from refrigerator outer edge side flange (22) position on the holder (1) to holder (1).

2. a kind of hinge according to claim 1, it is characterized in that: the hinge point pitch-row size of described lanar four rod mechanism is made up of the one group of data that is mutually related, these group data have certain span, and the fixing collocation relation of formation, the span of described hinge point pitch-row size is: the pitch-row A=29 of holder hinge point ± 5mm, the pitch-row B=12 of seat hinge point ± 5mm, pitch-row C=69 ± the 5mm of short fork hinge point, the pitch-row D=85 of long fork hinge point ± 5mm forms described fixing collocation relation and is: by A=29 ± 5mm, B=12 ± 5mm, C=69 ± 5mm, the array that D=85 ± 5mm forms; Constitute the pitch-row size of 4 connecting rod link points.

3. a kind of hinge according to claim 1 is characterized in that: go up long fork (2) hinge point side at holder (1) and be provided with brace rod (19), described brace rod (19) is leaning the internal construction of holder (1).

4. a kind of hinge according to claim 1 is characterized in that: be provided with long fork breach (18) on long fork (2), trip bolt (16) makes a hinge holder (1) be connected fastening with refrigerator body (20) by long fork breach (18).

5. a kind of hinge according to claim 1 is characterized in that: the 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.

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

7. a kind of hinge according to claim 6, 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 connected in the long fork (2) by pivot pin (12), 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 sliding seat (4), when pressing rocking arm (8) rotated with sliding seat (4), pressing rocking arm (8) can push described spring by spring base (7).

8. a kind of hinge according to claim 7, 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).

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. according to claim 1 or a kind of hinge according to claim 6, it is characterized in that: in described door hinge, having a pivot pin at least is tubular rivet (13).