CN102199967B

CN102199967B - Door hinge

Info

Publication number: CN102199967B
Application number: CN 201110135399
Authority: CN
Inventors: 李启良; 郝培霖; 胡剑平
Original assignee: Sunward Intelligent Equipment Co Ltd
Current assignee: Sunward Intelligent Equipment Co Ltd; Hunan Sunward Intelligent Machinery Co Ltd
Priority date: 2011-05-24
Filing date: 2011-05-24
Publication date: 2013-07-31
Anticipated expiration: 2031-05-24
Also published as: CN102199967A

Abstract

The invention discloses a door hinge comprising a fixed hinge fixedly connected with a vehicle body, a movable hinge fixedly connected with a door body, a U-shaped hinge connection piece, an expansion torsional spring, and a self-locking slider mechanism. By adopting a double pivot structure, a vehicle door is opened to a certain angle around a rotation center; the locking state of the other rotation center is opened, so as to lead the clearance between the vehicle door and the vehicle body to be increased, thus avoiding the interference between the vehicle door and the vehicle body; when the door is closed, the fixed hinge and the hinge connection piece are in a locking state through the self-locking slider mechanism; the displacement generated between the vehicle door and the vehicle body under the action of the external force is reduced; the clearance between the vehicle door and the vehicle body is reduced; the vehicle body is more beautiful; and the vibration in the moving process is slighter, thus playing the action of protecting the vehicle door.

Description

A kind of door hinge

Technical field

The present invention relates to a kind of door hinge, especially relate to a kind of hinge with two pivots.

Background technology

Automobile and engineering machinery body hinge generally comprise active page and fixed page two parts, active page directly is rigidly attached on the inner plate of car door, fixed page directly is rigidly attached on the body structure, connects by articulating between fixed page and the active page, fixed page and active page can be fastening by the realization of methods such as welding, riveted joint, bolt.In the board-like hinge that the car door of engineering machinery uses, the overwhelming majority has only a pivot knot centre of gyration, when the car door opening angle is big, car door often interferes with front of the car, generally solve this technical problem, thereby limited the topology layout and the aesthetic property of equipment by the gap of strengthening between car door and the vehicle body.

CN101748947A discloses a kind of automobile door hinge, comprise fixed page, active page and connector, wherein fixed page and active page link together by connector, fixed page comprises installed part and tumbler, installed part is used to be installed in body structure, tumbler is connected with installed part by rivet, can in the mounting plane of rivet, rotate at installed part, thus the rotation of adjusting hinge.The hinge means of this invention can be adjusted hinge axiality up and down automatically, overcome the car door bounce, can effectively reduce abnormal sound and vibration appear in car door when switch possibility, reduce the door closing force significantly, guarantee the easy switch of car door, can alleviate the wearing and tearing of hinge, in the application life of corresponding prolongation hinge, save manufacturing cost.

CN201447983U discloses a kind of door hinge, comprise the hinge back seat of fixedlying connected, the hinge front stall of fixedlying connected with the door body with housing, also comprise a linkage, a torsion spring, linkage and hinge back seat, hinge front stall articulate, and torsion spring cooperates with linkage, hinge back seat.

Above-mentioned disclosed door hinge technical scheme still can not solve when the car door opening angle is big, the technical barrier that car door often interferes with front of the car.

Summary of the invention

At the problems referred to above, the purpose of this invention is to provide a kind of door hinge, eliminating is car door and vehicle body generation interference in the car door opening process, and the assemblage gap of car door and vehicle body is less, make back vehicle and car door good looking appearance are installed, when closing of the door, the fixed effect of door hinge is better, can reduce between car door and the vehicle body to do the displacement that the time spent produces being subjected to external force.

In order to solve the problems of the technologies described above, basic design of the present invention: a kind of body hinge, comprise the fixed page of fixedlying connected, the active page of fixedlying connected with the door body with body shell, be the U type the hinge-coupled part, open torsion spring, self-locking slide block mechanism, fixed page articulates by first hinge axis (3) and hinge-coupled part one end, active page articulates by second hinge axis and the hinge-coupled part other end, and the spring body that opens torsion spring is enclosed within on first hinge axis, turns round arm and acts on fixed page and hinge-coupled part; The self-locking slide block mechanism comprises from lock slide, slide block return spring, first from lock slide limited block, second from the lock slide limited block, insert the U type groove of hinge-coupled part from lock slide, first is individually fixed on the hinge-coupled part of lock slide both sides from the lock slide limited block from lock slide limited block, second, track and distance that restriction is slided along U type groove from lock slide, the hinge-coupled part is provided with link stopper near U type bottom land place, and return spring is between the U of lock slide type bottom land one end and link stopper; Fixed page is provided with convex away from an end of hinge, convex is provided with self-locking hole, an end that is positioned at U type groove notch from lock slide is provided with the dead bolt that mates with self-locking hole, dead bolt inserts in the self-locking hole and carries out locking when hinge tightens up, active page is provided with convex at an end of hinge, the convex of active page promotes to realize the automatic unlocking of dead bolt from the moving of lock slide when car door opening.

Further, described first from the lock slide limited block, second from the lock slide limited block by screw on the hinge-coupled part.

Further, described fixed page and/or active page are provided with the riveted holes that is used for fixing.

Further, be provided with one of at least the insertion Baltimore groove of return spring from lock slide U type bottom land one end and link stopper, return spring inserts in the Baltimore groove.

Further, fixed page, active page and/or hinge-coupled part are ductile iron.

Further, described first hinge axis, second hinge axis are for connecting bearing pin.

The beneficial effect that the present invention brings: because of adopting two pivot junction structures, car door is after a centre of gyration is opened to certain angle, the lockup state of another centre of gyration is opened, car door produces a displacement in external-open, make the gap between car door and the vehicle body increase, avoided when the car door opening angle is big, interfering between car door and the vehicle body; When car door in off position the time; by the self-locking slide block mechanism; be in lockup state between fixed page and the hinge-coupled part; reduce between car door and the vehicle body to do the displacement that the time spent produces being subjected to external force; reduce the gap between car door and the vehicle body; make car body more attractive in appearance, in the motion process vibration littler, play the protection car door effect.

Description of drawings

Fig. 1 is the hinge front view;

Fig. 2 is the hinge left view;

Fig. 3 is the hinge axis mapping;

Fig. 4 is a hinge-coupled part axonometric drawing;

Fig. 5 is from the lock slide axonometric drawing.

The specific embodiment

The present invention is further detailed explanation below in conjunction with accompanying drawing.

In Fig. 1 to Fig. 5, body hinge comprises the fixed page 1 of fixedlying connected with body shell, the active page 9 of fixedlying connected with the door body, the hinge-coupled part 4 that is the U type, open torsion spring 2, fixed page 1 articulates by first hinge axis 3 and hinge-coupled part 4 one ends, active page 9 articulates by second hinge axis 10 and hinge-coupled part 4 other ends, fixed page 1 and/or active page 9 are provided with the riveted holes that is used for fixing, fixed page 1, active page 9 and hinge-coupled part 4 are ductile iron, the spring body that opens torsion spring 2 is enclosed within on first hinge axis 3, turn round arm and act on fixed page 1 and hinge-coupled part 4, the self-locking slide block mechanism comprises from lock slide 5, slide block return spring 6, first from lock slide limited block 801, second from lock slide limited block 802, insert the U type groove of hinge-coupled part 4 from lock slide 5, first from lock slide limited block 801, second is fixed in by bolt 7 on lock slide both sides hinge-coupled part 4 respectively from lock slide limited block 802, track and distance that restriction is slided along U type groove from lock slide 5, hinge-coupled part 4 is provided with link stopper 401 near U type bottom land place, and return spring 6 is between the U of lock slide 5 type bottom land one end and link stopper 401; Be positioned at U type bottom land one end and link stopper 401 from lock slide are provided with return spring 6 and insert Baltimore grooves, and return spring 6 inserts in the Baltimore grooves.Fixed page 1 is provided with convex 101 away from an end of hinge, convex 101 is provided with self-locking hole 102, an end that is positioned at U type groove notch from lock slide 5 is provided with the dead bolt 501 that mates with self-locking hole 102, dead bolt 501 inserts in the self-locking hole 102 and carries out locking when hinge tightens up, active page 9 is provided with convex 901 at an end of hinge axis, when car door opening, promote to move to U type bottom land end, realize the automatic unlocking of dead bolt 501 from lock slide 5.First hinge axis 3, second hinge axis 10 are for connecting bearing pin.

When closing of the door, contact the back with the convex 101 of fixed page 1 from lock slide dead bolt 501 under external force and produce reaction force, move to the U of hinge-coupled part 4 type bottom land extreme direction from lock slide 5, after entering self-locking hole 102 from lock slide dead bolt 501, under the effect of return spring 6, in entering self-locking hole 102 on the fixed page 1 automatically, realizes lock slide dead bolt 501 locking, hinge-coupled part 4 can not rotate around first hinge axis 3 more at this moment, and car door continues to rotate up to closing lock-out state around hinge second hinge axis 10.When car door opening, convex 901 on the active page 9 is with the rotation of car door, promotion is moved to U type bottom land extreme direction from lock slide 5, dead bolt 501 from lock slide 5 is spun off from the self-locking hole 102 of fixed page 1, this moment, hinge-coupled part 4 opened automatically under the twisting force that opens torsion spring 2, and car door produces a displacement in external-open, make the gap between car door and the vehicle body increase, thereby ensure that the vehicle body of also getting along well interferes when the car door opening angle is big; Car door can continue to rotate around second hinge axis 10, until opening.

The above is the preferred embodiments of the present invention only, and does not limit the present invention in any way, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. body hinge, comprise the fixed page (1) of fixedlying connected with body shell, the active page (9) of fixedlying connected with the door body, it is characterized in that: also comprise the hinge-coupled part (4) that is the U type, open torsion spring (2), the self-locking slide block mechanism, fixed page (1) articulates by first hinge axis (3) and hinge-coupled part (4) one ends, active page (9) articulates by second hinge axis (10) and hinge-coupled part (4) other end, the spring body that opens torsion spring (2) is enclosed within on first hinge axis (3), turn round arm and act on fixed page (1) and hinge-coupled part (4), the self-locking slide block mechanism comprises from lock slide (5), slide block return spring (6), first from lock slide limited block (801), second from lock slide limited block (802), insert the U type groove of hinge-coupled part (4) from lock slide (5), be individually fixed on lock slide (5) both sides hinge-coupled parts (4) from the lock slide limited block, restriction is from the sliding trace and the distance of lock slide (5), hinge-coupled part (4) is provided with link stopper (401) near U type bottom land place, return spring (6) is positioned between U type bottom land one end and link stopper (401) of lock slide (5), fixed page (1) is provided with convex (101) away from an end of hinge, convex (101) is provided with self-locking hole (102), an end that is positioned at U type groove notch from lock slide (5) is provided with the dead bolt (501) that mates with self-locking hole (102), dead bolt when hinge tightens up (501) inserts in the self-locking hole (102) and carries out locking, active page (9) is provided with convex (901) at an end of hinge, the convex of active page (901) promotes to move from lock slide (5) when car door opening, realizes dead bolt (501) automatic unlocking.

2. body hinge according to claim 1 is characterized in that: described first from lock slide limited block (801), second from lock slide limited block (802) by screw on hinge-coupled part (4).

3. body hinge according to claim 1 is characterized in that: described fixed page (1) and/or active page (9) are provided with the riveted holes that is used for fixing.

4. body hinge according to claim 1 is characterized in that: describedly be provided with the insertion Baltimore groove of return spring (6) from lock slide (5) U type bottom land one end and/or link stopper (401), spring (6) inserts in the Baltimore groove.

5. body hinge according to claim 1 is characterized in that: fixed page (1), active page (9) and/or hinge-coupled part (4) are ductile iron.

6. body hinge according to claim 1 is characterized in that: described first hinge axis (3), second hinge axis (10) are for connecting bearing pin.