CN103835603A - Hinge capable of limiting opening angle of furniture door - Google Patents

Abstract

A hinge capable of limiting the opening angle of a furniture door, comprising a movable hinge cup, a hinge arm, and an elastic member arranged on the movable hinge cup and acting on the hinge arm. It is characterized in that: the articulated arm is made of metal, and the central part is integrally formed with a cylindrical part, and the supporting part is rotated and arranged on the movable hinge cup through the through hole of the cylindrical part; the two sides of the cylindrical part are integrally formed with an active part with an arc surface, One end of the elastic part acts on the active part; the inner side of the hinge arm is provided with a plastic limiter with certain elasticity, and the plastic limiter is supported on the movable hinge cup through the rotation of the hinge arm to limit the opening angle of the hinge. In the present invention, a plastic limiter is arranged on the hinge arm, and the plastic limiter is supported on the movable hinge cup by rotating the hinge arm, so as to limit the opening angle of the hinge, while the closing angle is not limited, and has strong practicability.

Description

Hinges that limit the opening angle of furniture doors

technical field

The invention relates to a hinge, in particular to a hinge capable of limiting the opening angle of a furniture door.

Background technique

The Chinese patent literature number is CN201339380, which discloses a hinge on January 9, 2009, which includes a door box, a connecting rod, a hinge arm, a shift arm, a base, a buffer, a torsion spring, a link and a lever drive piece, and the link The device is a fan-shaped structure, which has a center hole and 3 peripheral holes, through which the center hole is movably connected to the hinge arm for positioning, and 1 peripheral hole is movably connected to the piston rod end of the buffer, and the remaining 2 peripheral holes are equipped with shafts. The lever driving piece is provided with an end hole and a middle hole, and the other end opposite to the end hole is provided with two fork mouths, and the lever driving piece is movably connected to the hinge arm through the middle hole, so that the two fork mouths are connected with the linker. The shafts on the 2 circumferential holes are meshed and connected, the other end of the lever driving piece is movably connected with the door box through the end hole, the torsion spring is installed on the connecting rod, and the torsion spring compresses the hinge arm, the connecting rod and the door box and provides a door lock. The open/closed state of the box relative to the hinge arm. It is said that the structure is simple, the performance is reliable, and the use is flexible. However, due to the effect of the buffer, this structure requires a large force to open or close the door, which may easily cause damage to the handle on the door or the door cannot be closed properly. And the hinge of this structure is not convenient enough to use, and cannot adjust and limit the opening angle of the furniture door body, and cannot meet the user's needs. Therefore, further improvement is necessary.

Contents of the invention

The object of the present invention is to provide a hinge that can limit the opening angle of furniture doors with simple and reasonable structure, reliable performance, low manufacturing cost, easy production, easy realization, quick and convenient use, smooth opening and closing, low noise and long service life , to overcome the deficiencies in the prior art.

A hinge designed for this purpose that can limit the opening angle of a furniture door includes a movable hinge cup, a hinge arm, and an elastic member that is arranged on the movable hinge cup and acts on the hinge arm. On the hinge cup, it is characterized in that: the hinge arm is made of metal, and the middle part is integrally formed with a cylindrical part, and the supporting part is rotated and arranged on the movable hinge cup through the through hole of the cylindrical part; the two sides of the cylindrical part are integrally formed with circular arcs One end of the elastic part acts on the active part of the surface; the inner side of the hinge arm is provided with a plastic limiter with a certain degree of elasticity, and the plastic limiter is supported on the movable hinge cup through the rotation of the hinge arm to limit the movement of the hinge. Open angle.

The plastic limiting part is provided with a buckling part with certain elasticity and an opening shape, and the plastic limiting part is arranged on the cylindrical part of the articulated arm through the buckling part.

The size of the opening of the fastening part is smaller than the outer diameter of the cylindrical part, and the plastic limiting part is fastened on the cylindrical part through the fastening part and placed between the two active parts.

The end of the action part protrudes from the inner end surface of the hinged arm, and the plastic stopper is fastened on the cylindrical part, and the left and right positioning is realized through the protruding action part.

A protruding part is extended on the fastening part, one side of the protruding part acts on the inner end surface of the hinge arm, and the other side of the protruding part is supported on the movable hinge cup when the hinge is opened, so as to limit the opening angle of the hinge.

The plastic limiting part is also provided with an insertion part, and the plastic limiting part acts on the gap between the inner end surface of the articulated arm and the cylindrical part through the positioning of the insertion part.

A damper is arranged on the movable hinge cup, and the outer end surface of the hinge arm acts on the damper at least when the hinge is closed; The damping switch component, when the hinge is opened and/or closed, the damping stroke of the damper is limited and/or restored by rotating or swinging the damping switch component.

The elastic member is a metal torsion spring, and one end is arranged on the movable hinge cup, and the other end is crimped on the action part of the hinge arm; the middle section of the elastic member is provided with a flexible material in the contact area of the movable hinge cup, and the hinge is When opening and/or closing, the force of the middle section of the elastic member pressing down on the movable hinge cup and the noise generated by the longitudinal movement of the elastic member relative to the movable hinge cup are eliminated by means of the flexible material.

The articulated arm is provided with a base, and the base is provided with a plurality of positioning parts, and is positioned on the furniture main body through the positioning parts.

An adjusting component is arranged between the hinged arm and the base, and the relative position between the hinged arm and the base is adjusted through the adjusting component.

Through the improvement of the above-mentioned structure, the present invention is provided with a plastic limiter with certain elasticity on the inner side of the hinged arm. The plastic limiter is arranged on the cylindrical part of the hinged arm and placed between the two action parts. Finally, the plastic limiter is supported on the movable hinge cup to limit the opening angle of the hinge, while the closing angle is not limited. Users can according to actual needs, without changing the original structure of the hinge, through The plastic limiter is set to achieve the effect of changing the opening angle of the hinge, which greatly facilitates the user's use and improves the experience of using the hinge; among them, the movable hinge cup is provided with a damping switch component that can limit the buffer stroke of the damper, and the hinge In the open state, the user rotates or swings the damping switch member to the action position of the gland by hand or tools, so that the buffering stroke of the damper is limited within a certain range, and then rotates or swings the damping switch member to the release position, the buffering of the damper Stroke recovery effectively prolongs the service life of the damper. At the same time, the user can adjust the buffer stroke of the damper according to actual needs, so as to control the speed and strength of the hinge closing, so that the collision between furniture is small and the noise is low; and the elastic parts The area where the middle section of the hinge is in contact with the movable hinge cup is provided with a flexible material piece, and when the hinge is opened and/or closed, the flexible material piece eliminates the force that the middle section of the elastic piece presses down on the movable hinge cup, and the longitudinal direction of the elastic piece relative to the movable hinge cup. The noise generated by the movement effectively reduces the friction between the elastic part and the movable hinge cup when the hinge is opened and closed, thereby reducing the loss of the elastic part, improving the service life, and reducing the friction caused by the elastic part and the movable hinge cup. The noise makes the opening and closing of the hinge smoother and the noise is lower, so as to enhance the user experience. It has the characteristics of simple and reasonable structure, reliable performance, low manufacturing cost, easy production, easy realization, fast and convenient use, smooth opening and closing, low noise and long service life, etc., and has strong practicability.

Description of drawings

Fig. 1 is a schematic diagram of an exploded structure of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Fig. 3 is another structural schematic view (sectional view) of an embodiment of the invention.

Fig. 4 is a schematic diagram of the assembly structure of the hinged arm and the plastic limiter.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Referring to Figure 1-Figure 4, the hinge that can limit the opening angle of the furniture door includes the movable hinge cup 1, the hinge arm 2, and the elastic member 3 that is set on the movable hinge cup 1 and acts on the hinge arm 2, and the hinge arm 2 It is installed on the movable hinge cup 1 through the rotation of the support member 4 . The articulated arm 2 is made of metal, the middle of which is integrally formed with a cylindrical part 2.1, and the supporting member 4 is rotated and arranged on the movable hinge cup 1 through the through hole of the cylindrical part 2.1; The action part 2.2, one end of the elastic part 3 acts on the action part 2.2; the inner side of the articulated arm 2 is provided with a plastic limiter 5 with certain elasticity, and the plastic limiter 5 is supported on the movable hinge cup 1 through the rotation of the articulated arm 2 up to limit the opening angle of the hinge.

Specifically, the plastic limiting member 5 is provided with a buckling portion 5 . The size of the opening of the fastening part 5.1 is smaller than the outer diameter of the cylindrical part 2.1, and the plastic stopper 5 is fastened on the cylindrical part 2.1 through the fastening part 5.1 and placed between the two active parts 2.2. The end of the acting part 2.2 protrudes from the inner end surface of the articulated arm 2, and the plastic stopper 5 is fastened to the cylindrical part 2.1, and the left and right positioning is realized through the protruding acting part 2.2. A convex portion 5.2 is extended on the fastening portion 5.1, one side of the convex portion 5.2 acts on the inner end surface of the hinge arm 2, and the other side is supported on the movable hinge cup 1 when the hinge is opened to limit the opening angle of the hinge. In order to make the assembly between the hinged arm 2 and the plastic limiter 5 more firm, the plastic limiter 5 is also provided with an insertion part 5.3, and the plastic limiter 5 acts on the inner end surface of the hinged arm 2 and the cylinder through the positioning of the insertion part 5.3. on the gap between section 2.1.

In the above structure, the movable hinge cup 1 is provided with a damper 6, and the outer end surface of the hinge arm 2 acts on the damper 6 at least when the hinge is closed; the movable hinge cup 1 is also provided with a gland 7, and the gland 7 is arranged on the damper A damper switch member 8 is arranged on the hinge 6 and rotated or oscillated. When the hinge is opened and/or closed, the buffer stroke of the damper 6 is limited and/or restored by rotating or swinging the damper switch member 8.

Specifically, when the hinge is in the open state, the user rotates or swings the damping switch member 8 to the locked position manually or with a tool, the hinge is gradually closed, and the hinge arm 2 acts on the damper 6, so that the buffer stroke of the damper 6 is gradually reduced At this time, the locking position of the damper 6 and the locking part of the damping switch member 8 are interlocked, so that the buffer stroke of the damper 6 is limited within a certain range, that is, when the hinge is opened, the damper 6 is locked by the damping switch member 8 The fastening function of the damper 6 is no longer extended, and the damper 6 no longer works; then turn or swing the damper switch member 8 to the release position, the locking part is disengaged from the locked position, the buffer stroke of the damper 6 is restored, and the damper 6 continues to work .

The elastic part 3 is a metal torsion spring, and one end is set on the movable hinge cup 1, and the other end is crimped on the action part 2.2 of the hinge arm 2, and the middle part of the elastic part 3 is provided with a flexible material in the contact area of the movable hinge cup 1 Part 9, when the hinge is opened and/or closed, the flexible material part 9 eliminates the force of the middle section of the elastic part 3 pressing down on the movable hinge cup 1 and the noise generated by the longitudinal movement of the elastic part 3 relative to the movable hinge cup 1.

Specifically, the flexible material part 9 is made of plastic or rubber, and is positioned on the elastic part 3 or the movable hinge cup 1 . The elastic part 3 is arranged on the movable hinge cup 1, and one end is positioned to act on the side wall of the movable hinge cup 1, and the other end is flexibly connected to the hinge arm 2 through the flexible material part 4 when the hinge is opened and/or closed. Section 2.2 above.

The articulated arm 2 is provided with a base 10, and the base 10 is provided with a plurality of positioning parts 10.1, and is positioned on the main body of the furniture by the positioning parts 10.1. An adjustment assembly is provided between the hinged arm 2 and the base 10 , and the relative position between the hinged arm 2 and the base 10 is adjusted through the adjustment assembly.

The above is the preferred solution of the present invention, and any simple modification or modification thereof by those skilled in the art falls within the protection scope of the present invention.

Claims (10)

1. one kind can be limited the hinge of furniture door open angle, comprise moveable hinge cup (1), articulated jib (2), and be arranged at moveable hinge cup (1) and act on the elastic component (3) on articulated jib (2), articulated jib (2) is rotated and is arranged on moveable hinge cup (1) by supporting member (4), it is characterized in that: articulated jib (2) is made for metal, middle part is one-body molded a cylindrical portion (2.1) for it, and supporting member (4) is arranged on moveable hinge cup (1) by the through hole rotation of cylindrical portion (2.1); The one-body molded service portion (2.2) having with arc surface in both sides of cylindrical portion (2.1), one end of elastic component (3) acts on service portion (2.2); The inner side of articulated jib (2) is provided with is with certain flexible plastic cement locating part (5), and plastic cement locating part (5) is upper in moveable hinge cup (1) by the rotating support of articulated jib (2), to limit the open angle of hinge.

2. can limit according to claim 1 the hinge of furniture door open angle, it is characterized in that being provided with certain elasticity and opening-like buckling parts (5.1) on described plastic cement locating part (5), plastic cement locating part (5) is arranged in the cylindrical portion (2.1) of articulated jib (2) by buckling parts (5.1).

3. can limit according to claim 2 the hinge of furniture door open angle, it is characterized in that the size of described buckling parts (5.1) opening is less than the external diameter of cylindrical portion (2.1), plastic cement locating part (5) is fastened on cylindrical portion (2.1) above and is placed between two service portions (2.2) by buckling parts (5.1).

4. can limit according to claim 3 the hinge of furniture door open angle, it is characterized in that the end of described service portion (2.2) stretches out in the inner face of articulated jib (2), plastic cement locating part (5) is fastened on cylindrical portion (2.1) above and realizes location, left and right by this service portion stretching out (2.2).

5. can limit according to claim 4 the hinge of furniture door open angle, it is characterized in that upper extension of described buckling parts (5.1) is provided with a protuberance (5.2), one side of protuberance (5.2) acts on the inner face of articulated jib (2), it is upper that opposite side is supported on moveable hinge cup (1) in the time that hinge is opened, to limit the open angle of hinge.

6. can limit according to claim 5 the hinge of furniture door open angle, it is characterized in that being also provided with insertion section (5.3) on described plastic cement locating part (5), plastic cement locating part (5) passes through insertion section (5.3) positioning action on the gap between articulated jib (2) inner face and cylindrical portion (2.1).

7. according to the hinge that can limit furniture door open angle described in claim 1-6 any one, it is characterized in that being provided with damper (6) on described moveable hinge cup (1), the outer face of articulated jib (2) at least acts on damper (6) in the time that hinge is closed; Gland (7) is also set on moveable hinge cup (1), gland (7) is arranged on damper (6) above and rotates or swing and is provided with a damper switch member (8), hinge by rotating or damping of oscillations switching member (8), is realized the cushion stroke of restriction and/or recovery damper (6) in the time of open and/or closed.

8. can limit according to claim 7 the hinge of furniture door open angle, it is characterized in that described elastic component (3) is that metal torsion spring and one end are arranged on moveable hinge cup (1) above, the other end is crimped on the service portion (2.2) of articulated jib (2); The region division that the stage casing of elastic component (3) contacts with moveable hinge cup (1) has flexible material piece (9), and hinge is eliminated elastic component (3) stage casing by flexible material piece (9) and pressed down the power of moveable hinge cup (1) and the noise that elastic component (3) produces with respect to moveable hinge cup (1) lengthwise movement in the time of open and/or closed.

9. can limit according to claim 8 the hinge of furniture door open angle, it is characterized in that being provided with base (10) on described articulated jib (2), on base (10), be provided with some location divisions (10.1) and be arranged in furniture main body by location division (10.1) location.

10. can limit according to claim 9 the hinge of furniture door open angle, it is characterized in that being provided with adjusting part between described articulated jib (2) and base (10), articulated jib (2) regulates the relative position between base (10) by adjusting part.

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