CN215520478U - Damping hinge - Google Patents

Abstract

The utility model discloses a damping hinge which comprises a connecting assembly, a seat body, a damping piece, a torsion spring, a door fixing piece, a fixing seat and a hinge arm, wherein the seat body is provided with a base; the connecting assembly comprises a second connecting piece, a first connecting piece, a third connecting piece and a fourth connecting piece; the seat body is provided with a first U-shaped groove which is used for accommodating and fixing first shaft pins at two sides of the fourth connecting piece; the base body is also provided with a cavity with the extending direction vertical to the first axis pin, and the cavity is used for movably accommodating the damping piece; one end of the damping piece, which is far away from the door fixing piece, abuts against the first shaft pin; one end of the damping piece, which is close to the door fixing piece, extends out of the fourth connecting piece and is used for abutting against the door fixing piece when the riveting angle between the fourth connecting piece and the door fixing piece is smaller than a preset angle so as to receive external extrusion; according to the damping hinge provided by the embodiment of the utility model, the damping piece is movably arranged in the cavity on the seat body, so that the damping hinge is convenient to disassemble and assemble, and the damping force generated by the damping piece slows down the speed of the door fixing piece when the door is closed.

Description

Damping hinge

Technical Field

The embodiment of the utility model relates to the field of movable connecting pieces, in particular to a damping hinge.

Background

The damping hinge is generally composed of a hinge cup, a connecting plate, a hinge arm, a base, a damping part, a fastening screw, an adjusting screw and the like. The damping hinge is used as common furniture hardware and is installed between the light cabinet door and the door frame, so that the door can rotate relative to the door frame. The mounting structure between the damping piece and the hinge in the existing damping hinge is complex, when the damping force of the damping piece fails, the damping piece is inconvenient to replace, and the damping piece is easy to block when sliding, so that the damping effect is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the embodiments of the present invention is to provide a damping hinge, which solves the problem that a damping member in the damping hinge is complex in installation structure and is easily locked during sliding.

A damping hinge comprises a connecting assembly, a seat body, a damping piece, a torsion spring, a door fixing piece, a fixing seat and a hinge arm;

the connecting assembly is movably connected between the hinged arm and the door fixing piece; the connecting assembly comprises a first connecting piece, a second connecting piece, a third connecting piece and a fourth connecting piece; one end of the second connecting piece is riveted with the hinged arm, and the other end of the second connecting piece is riveted with the second connecting piece; one end of the first connecting piece is riveted with the hinged arm, and the other end of the first connecting piece is riveted with the second connecting piece; the second connecting piece is bent, one end of the second connecting piece is riveted with the first connecting piece, and the other end of the second connecting piece is riveted with the door fixing piece; one end of the third connecting piece is riveted with the bent part in the middle of the second connecting piece; one end of the fourth connecting piece is riveted with the third connecting piece, and the other end of the fourth connecting piece is riveted with the door fixing piece.

Optionally, the fourth connecting piece is further configured to accommodate the seat body; the seat body is provided with a first U-shaped groove which is used for accommodating a first shaft pin fixed on two sides of the fourth connecting piece; the base body is also provided with a cavity with the extending direction vertical to the first axis pin, and the cavity is used for movably accommodating the damping piece; one end of the damping piece far away from the door fixing piece is abutted against the first shaft pin.

Optionally, one end of the damping member, which is close to the door fastener, extends out of the fourth connector, and is used for abutting against the door fastener when a riveting angle between the fourth connector and the door fastener is smaller than a preset angle so as to receive external extrusion.

Optionally, a slope surface is arranged on the door fixing piece, the damping piece is divided into a main body and a movable rod connected with the main body, the movable rod can extend and retract along the axial direction of the main body, the end portion of the main body abuts against the slope surface under the condition of swinging, and the end portion of the movable rod abuts against the first axis pin.

Optionally, the two sides of the main body are provided with lugs, the two sides of the cavity are further provided with grooves, and the lugs are mounted on the grooves and can slide back and forth along the grooves.

Optionally, a second symmetrical round hole is further formed in the fourth connecting piece, a second U-shaped groove is formed in the second side of the seat body, and the second symmetrical round hole and the second U-shaped groove are riveted through a second shaft pin.

Optionally, the second connecting piece and the first connecting piece are riveted through a third shaft pin, and a fourth shaft pin is further riveted on the first connecting piece.

Optionally, the torsion spring comprises a body, a torsion input end, and a torsion output end; the torque input end is connected to the fourth shaft pin in a lap joint mode, and the torque output end abuts against the end face of the second connecting piece; riveting the body with the second connector by a fifth shaft pin.

Optionally, the hinge arm is riveted with the first connecting piece through a sixth shaft pin, and the second connecting piece is riveted with the third connecting piece through a seventh shaft pin.

Optionally, the third connecting piece and the fourth connecting piece are riveted through an eighth shaft pin, the second connecting piece and the door fastener are riveted through a ninth shaft pin, and the fourth connecting piece and the door fastener are riveted through a tenth shaft pin.

Optionally, a tail buckle protrudes from one end of the hinged arm, and an adjusting screw protrudes from an end surface of the hinged arm.

Optionally, the fixing seat is installed at one end of the hinged arm, and mounting holes are opened at two sides of the fixing seat.

According to the damping hinge provided by the embodiment of the utility model, the damping piece is internally buckled in the cavity of the seat body, so that the damping hinge is convenient to assemble and disassemble, one end of the damping piece is abutted against the shaft pin, the door fixing piece is driven to swing through the transmission of the multiple groups of connecting pieces, the other end of the damping piece is directly abutted against the door fixing piece under the condition that the door fixing piece swings, when the door is closed, the damping piece stretches in the cavity, the damping force generated by stretching of the damping piece reduces the speed of the door fixing piece, and the cavity of the seat body adopts a semi-closed structure, so that the damping piece cannot be clamped in the seat body when sliding.

Drawings

FIG. 1 is a schematic view of the damping hinge of the present invention in a first state;

FIG. 2 is a schematic view of the damping hinge of the present invention in a second state;

FIG. 3 is a perspective view of the damped hinge of the present invention;

FIG. 4 is a schematic structural view of a second connector according to the present invention;

FIG. 5 is a schematic structural view of a first connecting member of the present invention;

FIG. 6 is a schematic structural view of a third connector according to the present invention;

FIG. 7 is a schematic structural view of a fourth connecting member according to the present invention;

FIG. 8 is a schematic structural diagram of the door fastener of the present invention;

FIG. 9 is a schematic view of the construction of the hinge arm of the present invention;

FIG. 10 is a schematic view of the damper of the present invention;

FIG. 11 is a schematic structural view of the fixing base of the present invention;

fig. 12 is a structural schematic view of the seat body of the utility model in a first direction;

fig. 13 is a structural schematic view of the seat body of the utility model in a second direction;

fig. 14 is a structural schematic view of the seat body of the utility model in a third direction;

fig. 15 is a structural schematic view of the seat body of the utility model in a fourth direction;

fig. 16 is a schematic structural diagram of the torsion spring of the present invention.

The list of elements is as follows:

1. a second connecting member;

2. a first connecting member;

3. a third connecting member;

4. a fourth connecting member;

5. a base body;

6. a damping member;

7. a torsion spring;

8. a door fastener;

9. a hinged arm;

10. a fixed seat;

11. a second shaft pin;

12. a first shaft pin;

13. an eighth shaft pin;

14. a tenth shaft pin;

15. a ninth shaft pin;

16. a seventh axle pin;

17. a fifth shaft pin;

18. a third shaft pin;

19. a fourth shaft pin;

20. an eleventh axle pin;

21. a sixth shaft pin;

101. a third symmetrical round hole;

102. a fourth symmetrical round hole;

103. a fifth symmetrical round hole;

104. a sixth symmetrical round hole;

201. a seventh symmetric round hole;

202. an eighth symmetrical round hole;

203. a ninth symmetric round hole;

301. a tenth symmetric round hole;

302. an eleventh symmetric circular aperture;

303. a twelfth symmetrical circular hole;

401. a thirteenth symmetrical circular hole;

402. a first symmetrical round hole;

403. a second symmetrical round hole;

404. a fourteenth symmetric circular hole;

501. a groove;

502. a cavity;

503. a first U-shaped groove;

504. a second U-shaped groove;

601. a main body;

602. a lug;

603. a movable rod;

701. a body;

702. a torque output end;

703. a torque input end;

801. a slope surface;

802. a fifteenth symmetric circular aperture;

803. a sixteenth symmetric round hole;

901. a seventeenth symmetric round hole;

902. an eighteenth symmetrical round hole;

903. a tail buckle;

904. adjusting screws;

1001. and (7) installing holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. 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.

The terms of the present invention are explained:

the damping hinge is generally composed of a hinge cup, a connecting plate, a hinge arm, a base, a damping part, a fastening screw, an adjusting screw and the like, is used as common furniture hardware and is installed between a light furniture cabinet door and a door frame, so that the door can rotate relative to the door frame. Its characteristics realize certain buffer function through damping piece, can the at utmost reduce the cabinet door when closing with the striking noise of door frame. It should be noted that the damping hinge protected by the utility model can refer to a Cup-shaped blind hinge (Cup hinges) with a damper, and meets and is superior to the relevant definitions, requirements and test standards of the light industry standards QB/T1242-1991 and QBT2189-2013 of the people's republic of China, and simultaneously meets and is superior to the relevant definitions, requirements and test standards in European Union standard 15570-2008.

Riveting: the rivet connection is a method for connecting a plurality of parts by upsetting a rivet rod in a rivet hole of the part and forming a rivet head by using axial force; the riveting adopted in the embodiment adopts movable riveting, namely, the combined parts can rotate mutually.

A damping hinge as shown in fig. 1 to 3 comprises a connecting assembly, a base 5, a damping member 6, a torsion spring 7, a door fixing member 8, a fixing base 10 and a hinge arm 9;

preferably, the connecting assembly includes a first connecting member 2, a second connecting member 1, a third connecting member 3, and a fourth connecting member 4.

Specifically, as shown in fig. 4, in the second connecting member 1, four groups of symmetrical round holes penetrate through two sides of the second connecting member 1, and the four groups of symmetrical round holes are divided into a third symmetrical round hole 101, a fourth symmetrical round hole 102, a fifth symmetrical round hole 103 and a sixth symmetrical round hole 104;

preferably, as shown in fig. 5, in the first connecting member 2, a seventh symmetrical circular hole 201, an eighth symmetrical circular hole 202, and a ninth symmetrical circular hole 203 are formed on both sides of the first connecting member 2.

Preferably, as shown in fig. 6, in the third connecting member 3, a tenth symmetric circular hole 301, an eleventh symmetric circular hole 302 and a twelfth symmetric circular hole 303 are formed on both sides of the third connecting member 3.

Preferably, as shown in fig. 7, in the fourth connecting member 4, a first symmetrical circular hole 402, a second symmetrical circular hole 403, a thirteenth symmetrical circular hole 401 and a fourteenth symmetrical circular hole 404 are formed on the fourth connecting member 4.

Preferably, as shown in fig. 8, the door fixing member 8 is provided with a fifteenth symmetrical round hole 802 and a sixteenth symmetrical round hole 803 on both sides of the door fixing member 8.

Preferably, as shown in fig. 9, the hinge arm 9 is provided with seventeenth symmetrical circular holes 901 and eighteenth symmetrical circular holes 902 on two sides of the hinge arm 9.

Preferably, the ninth symmetrical round hole 203 and the third symmetrical round hole 101 are riveted through a third shaft pin 18, so as to rivet the first connecting piece 2 and the second connecting piece 1; the fifth symmetrical round hole 103 and the eleventh symmetrical round hole 302 are riveted through a seventh shaft pin 16 to rivet the second connecting piece 1 and the third connecting piece 3; the tenth symmetrical round hole 301 and the second symmetrical round hole 403 are riveted through an eighth shaft pin 13, so that the third connecting piece 3 and the fourth connecting piece 4 are riveted; the fourteenth symmetrical round hole 404 and the fifteenth symmetrical round hole 802 are riveted through a tenth shaft pin 14 to rivet the fourth connecting piece 4 with the door fastener 8, and the sixth symmetrical round hole 104 and the sixteenth symmetrical round hole 803 are riveted through a ninth shaft pin 15 to rivet the second connecting piece 1 with the door fastener 8; the twelfth symmetrical circular hole 303 and the seventeenth symmetrical circular hole 901 are riveted by an eleventh shaft pin 20 to rivet the third connector 3 with the hinge arm 9.

As a preferable scheme, as shown in the seat body shown in fig. 12 to 15, a first U-shaped groove 503 is formed on a first side of the seat body 5; the first U-shaped groove 503 is used for accommodating and fixing the first axis pin 12 at two sides of the first symmetrical round hole 402; the base body 5 further has a cavity 502 extending in a direction perpendicular to the first shaft pin 12, and the cavity 502 is used for movably accommodating the damping element 6; the end of the damping element 6 remote from the door fastening element 8 abuts against the first pivot pin 12; one end of the damping piece 6, which is close to the door fixing piece 8, extends out of the fourth connecting piece 4, and is used for abutting against the door fixing piece 8 when the riveting angle between the fourth connecting piece 4 and the door fixing piece 8 is smaller than a preset angle so as to receive external extrusion.

Preferably, the door fastener 8 is provided with a slope surface 801, as shown in the damping member 6 shown in fig. 10, the damping member 6 is divided into a main body 601 and a movable rod 603 connected to the main body 601, the movable rod 603 is capable of extending and contracting along the axial direction of the main body 601, an end of the main body 601 abuts against the slope surface 801 in a swinging state, and an end of the movable rod 603 abuts against the first shaft pin 12; specifically, the second link 1 drives the door fastener 8 to rotate, so that the door fastener 8 swings clockwise until the end of the main body 601 touches the door fastener 8, and the speed of swinging the door fastener 8 can be reduced by compressing the movable rod 603, wherein the movable rod 603 may preferably be a hydraulic rod.

Preferably, two sides of the main body 601 are provided with lugs 602, two sides of the cavity 502 are further provided with grooves 501, and the lugs 602 are mounted on the grooves 501 and can slide back and forth along the grooves 501, so that the damping member 6 is movably mounted on the grooves 501.

Preferably, a second U-shaped groove 504 is formed in a second side of the seat body 5, and the second symmetrical round hole 403 is riveted with the second U-shaped groove 504 through a second axis pin 11.

Preferably, a fourth shaft pin 19 is riveted on the first connecting piece 2, and the fourth shaft pin 19 is arranged in the second connecting piece 1.

Preferably, as shown in fig. 16, the torsion spring 7 includes a body 701, a torsion input end 702, and a torsion output end 703; the torque force output by the torque output end 703 drives the connecting assembly to further drive the door fixing member 8 to swing.

The torque input end 702 is overlapped on the fourth shaft pin 19, and the torque output end 703 abuts on the end surface of the second connecting piece 1;

preferably, the round hole of the body 701 is riveted with the second connector 1 by a fifth shaft pin 17.

Preferably, the hinge arm 9 and the first connecting member 2 are riveted together by a sixth shaft pin 21.

Preferably, a tail buckle 903 protrudes from one end of the hinge arm 9, and an adjusting screw 904 protrudes from an end surface of the hinge arm 9.

Preferably, the fixing base 10 is installed at one end of the hinge arm 9, as shown in fig. 11, mounting holes 1001 are opened at both sides of the fixing base 10, and the mounting holes 1001 are used for being installed on a door frame by bolts.

As the working principle of this embodiment, when the door is closed, the damping hinge of this embodiment is compressed, the damping hinge is folded, the fourth shaft pin 19 pressed by the torsion spring 7 drives the first connecting member 2 to rotate counterclockwise around the sixth shaft pin 21 as an axis, meanwhile, the rotating torsion generated by the first connecting member 2 pulls the second connecting member 1 through the third shaft pin 18, the second connecting member 1 drives the third connecting member 3 through the seventh shaft pin 16, the third connecting member 3 drives the fourth connecting member 4 to swing rotationally through the eighth shaft pin 13, the fourth connecting member 4 drives the door fixing member 8 to swing rotationally in reverse direction through the tenth shaft pin 14, during the swinging in reverse direction of the door fixing member 8, the end of the main body 601 of the damping member 6 directly abuts against the slope surface 801 of the door fixing member 8, the damping force generated by the damping member 6 slowly stretches out and draws back on the main body 601 through the movable rod 603, thereby reducing the speed of the swinging in reverse direction of the door fixing member 8, the unique circular cavity design of the seat body 5 can effectively prevent the damping piece 6 from being blocked in the seat body 5, so that the door fixing piece 8 is slowly and softly closed.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A damping hinge is characterized by comprising a connecting assembly, a seat body, a damping piece, a door fixing piece and a hinge arm;

the connecting assembly is movably connected between the hinged arm and the door fixing piece;

the connecting assembly comprises a first connecting piece, a second connecting piece, a third connecting piece and a fourth connecting piece;

one end of the first connecting piece is riveted with the hinged arm, and the other end of the first connecting piece is riveted with the second connecting piece;

the second connecting piece is bent, one end of the second connecting piece is riveted with the first connecting piece, and the other end of the second connecting piece is riveted with the door fixing piece;

one end of the third connecting piece is riveted with the bent part positioned in the middle of the second connecting piece, and the other end of the third connecting piece is riveted with the hinged arm;

one end of the fourth connecting piece is riveted with the third connecting piece, and the other end of the fourth connecting piece is riveted with the door fixing piece;

the fourth connecting piece is also used for accommodating the seat body;

the seat body is provided with a first U-shaped groove, and the first U-shaped groove is used for accommodating and fixing first shaft pins on two sides of the fourth connecting piece;

the base body is also provided with a cavity with the extending direction vertical to the first axis pin, and the cavity is used for movably accommodating the damping piece;

one end of the damping piece far away from the door fixing piece abuts against the first shaft pin;

one end of the damping piece, which is close to the door fixing piece, extends out of the fourth connecting piece and is used for abutting against the door fixing piece when the riveting angle between the fourth connecting piece and the door fixing piece is smaller than a preset angle so as to receive external extrusion.

2. The damped hinge according to claim 1, wherein the door fastener is provided with a slope, the damping member is divided into a main body and a movable rod connected to the main body, the movable rod is capable of extending and retracting along an axial direction of the main body, an end of the main body abuts against the slope in a swinging condition, and an end of the movable rod abuts against the first axis pin.

3. The damped hinge according to claim 2 wherein the body has lugs disposed on opposite sides thereof, and the cavity has recesses disposed on opposite sides thereof, the lugs being mounted on the recesses and slidable back and forth along the recesses.

4. The damped hinge of claim 1, wherein the fourth connecting member further defines a second symmetrical circular hole, the second side of the base defines a second U-shaped groove, and the second symmetrical circular hole is riveted to the second U-shaped groove by a second shaft pin.

5. The damped hinge according to claim 4 wherein the second link is riveted to the first link with a third pivot pin and the first link is riveted with a fourth pivot pin.

6. The damped hinge according to claim 5 further comprising a torsion spring, said torsion spring comprising a body, a torsion input, a torsion output; the torque input end is connected to the fourth shaft pin in a lap joint mode, and the torque output end abuts against the end face of the second connecting piece; riveting the body with the second connector by a fifth shaft pin.

7. The damped hinge according to claim 4 wherein the hinge arm is riveted to the first link by a sixth pivot pin and the second link is riveted to the third link by a seventh pivot pin.

8. The damped hinge according to claim 4 wherein the third connector is riveted to the fourth connector by an eighth pivot pin, the second connector is riveted to the door fastener by a ninth pivot pin, and the fourth connector is riveted to the door fastener by a tenth pivot pin.

9. The damped hinge according to claim 1, wherein a tail buckle protrudes from one end of the hinge arm, and an adjusting screw protrudes from an end surface of the hinge arm.

10. The damped hinge according to claim 1, further comprising a fixing seat mounted at one end of the hinge arm, wherein mounting holes are formed at both sides of the fixing seat.

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