CN217735186U

CN217735186U - Damping hinge

Info

Publication number: CN217735186U
Application number: CN202220484505.XU
Authority: CN
Inventors: 项文广; 李乾兴; 周燕义
Original assignee: Wenzhou Yika Lock Technology Co ltd
Current assignee: Wenzhou Yika Lock Technology Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-11-04
Anticipated expiration: 2032-03-07

Abstract

The utility model relates to a damping hinge, including moving hinge plate, quiet hinge plate and hinge pin, it is articulated through the hinge pin to move hinge plate and quiet hinge plate, moves the damping fin that is equipped with interference suit on the hinge pin in the hinge pin of hinge plate in order to form frictional damping power, but install elastic deformation's elastic rod on the quiet hinge plate, elastic rod one end is fixed on quiet hinge plate, and the elastic rod other end can be followed elastic rod deformation and swing, and the elastic rod swing end is equipped with and lies in the rotatory horizontal backstop portion of opening the stroke of moving hinge plate along horizontal extension, and horizontal backstop portion links up has vertical guide portion along longitudinal extension, moves the hinge plate and can push up horizontal backstop portion in order to order about to move thereby elastic rod elastic deformation swing and break through horizontal backstop portion restriction, moves the hinge plate and can rotate to crossing horizontal backstop portion along closing direction under vertical guide portion guide. The hinge plate can be positioned, and a larger opening angle can be ensured.

Description

Damping hinge

Technical Field

The utility model relates to a hardware fitting, damping hinge exactly says so.

Background

A hinge, also known as a hinge, is a mechanical device used to connect two solid bodies and allow rotation between them. The existing damping hinge has the advantage of balanced damping force by the friction force generated by interference fit between the damping fins and the rotating shaft, so that the damping force exists in the rotation between the movable hinge and the fixed hinge. But current damping hinge does not have locate function to make the cabinet door opening degree of installation and use can not controlled, this causes the damping hinge can't satisfy some user demands. If for guaranteeing electric power cabinet's safety in utilization, the automatic design of popping out of cabinet door adoption is usually, and the cabinet door also is equipped with the damping hinge in order to guarantee the automatic security of popping out of cabinet door, but the automatic bullet of cabinet door is opened power, the self of cabinet door assembles the retardation that forms etc. and is different for the degree of opening of the automatic door of popping out of cabinet can not guarantee unanimously, thereby has the cabinet door in disorder when making a plurality of electric power cabinets use, not aesthetic defect.

Disclosure of Invention

The utility model discloses the invention purpose: for overcoming the defect that prior art exists, the utility model provides a can realize moving the damping hinge of hinge plate location, can guarantee great opening angle simultaneously.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a damping hinge, is including moving hinge plate, quiet hinge plate and hinge pin, moves hinge plate and quiet hinge plate and hinges through the hinge pin, moves the damping fin that is equipped with the interference suit on the hinge pin in the hinge pin of hinge plate in order to form frictional damping power, its characterized in that: but install elastic deformation's elastic rod on the quiet hinged plate, elastic rod one end is fixed on the quiet hinged plate, the elastic rod other end can swing along with the elastic rod deformation, the elastic rod swing end is equipped with and lies in moving the horizontal backstop portion on the hinged plate rotation opening stroke along horizontal extension, horizontal backstop portion links up has along the vertical guide portion of longitudinal extension, thereby it can push away horizontal backstop portion along opening the direction to move the elastic rod elastic deformation swing breakthrough horizontal backstop portion restriction to move the hinged plate, it can rotate to crossing horizontal backstop portion along closing the direction under the guide of vertical guide portion to move the hinged plate.

By adopting the technical scheme, after the movable hinge plate is opened in a rotating mode, the movable hinge plate is stopped by the transverse stopping part of the elastic rod, so that the limit of the opening position is reached, and therefore, when the movable hinge plate is applied, the rotating opening angle of the movable hinge plate under the driving of the automatic springing opening force can be determined by combining the self-springing opening stroke of the cabinet door, the opening of the cabinet door is effectively limited, and a plurality of cabinet doors are located at the same opening position after being opened automatically; because the elastic rod has the elastic deformation capacity, after enough force is applied to the movable hinge plate, the movable hinge plate can break through the limitation of the transverse stopping part to form a larger opening angle, and after the movable hinge plate enters the larger opening angle, when the movable hinge plate rotates towards the closing direction, the longitudinal guide part of the elastic rod guides the movable hinge plate, so that the movable hinge plate can smoothly cross the transverse stopping part.

Preferably, after the movable hinge plate breaks through the limitation of the transverse stopping portion, the longitudinal guide portion is driven by the elastic deformation energy storage force of the elastic rod to abut against the movable hinge plate. Under this structural design, be convenient for move the hinge plate counter rotation and cross horizontal backstop.

Preferably, the elastic rod is obliquely arranged on the static hinge plate from the fixed end to the swinging end in the direction close to the hinge shaft and the movable hinge plate. Under this structural design, the elastic deformation swing of elastic rod is more smooth and more reliable.

Preferably, a spiral ring is wound at the fixed end of the elastic rod, a fixed arm extends from the spiral ring and is fixed on the static hinged plate, and the static hinged plate is provided with a positioning screw which is inserted into the spiral ring and limited on the static hinged plate. Under this structural design, elastic rod simple to operate is reliable, and the spiral ring inserts set screw and realizes supporting, and the spiral ring makes the deformation of elastic rod more smooth and easy.

Preferably, a hinge shaft sleeve of the static hinge plate is provided with a screw hole, a locking screw is locked in the screw hole, the fixed arm is wound to form a limiting ring, and the locking screw is inserted into the limiting ring and limited on the static hinge plate. Under this structural design, realize the restriction location of fixed arm, have simple structure, simple to operate's advantage.

The utility model discloses still disclose one kind and can realize moving the damping hinge of hinge plate location, can guarantee great opening angle simultaneously.

The utility model provides a damping hinge, is including moving hinge plate, quiet hinge plate and hinge pin, moves hinge plate and quiet hinge plate and hinges through the hinge pin, moves the damping fin that is equipped with the interference suit on the hinge pin in the hinge pin of hinge plate in order to form frictional damping power, its characterized in that: the positioning swing arm is provided with a transverse stopping part which transversely protrudes towards one side of the movable hinge plate and is pivoted on the fixed hinge plate at one end, the transverse stopping part is linked with a longitudinal guiding part which extends along the longitudinal direction, the positioning swing arm is provided with a stopping position at which the transverse stopping part rotates and swings around a pivoting fulcrum to one side of the movable hinge plate on a rotating stroke of the movable hinge plate, the positioning swing arm is matched with an elastic energy storage resetting part which provides the positioning swing arm to rotate and reset to the stopping position, the movable hinge plate can push the transverse stopping part along the opening direction to drive the positioning swing arm to swing so as to break through the limitation of the transverse stopping part, and the movable hinge plate can rotate along the closing direction under the guiding of the longitudinal guiding part to cross the transverse stopping part.

By adopting the technical scheme, the positioning swing arm is driven to swing to the stopping position through the elastic energy storage resetting piece, and after the movable hinge plate is rotated and opened, the movable hinge plate is stopped by the transverse stopping part, so that the limitation of the opening position is reached; after enough force is applied to the movable hinge plate, the movable hinge plate can break through the limitation of the transverse stopping portion, the pushing positioning swing arm swings to form a larger opening angle, and after the movable hinge plate enters the larger opening angle, when the movable hinge plate rotates towards the closing direction, the longitudinal guide portion guides the movable hinge plate, so that the movable hinge plate can smoothly cross the transverse stopping portion.

The present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the damping hinge of the present invention;

fig. 2 is an exploded view of a first embodiment of the damping hinge of the present invention;

fig. 3 is a schematic structural view of a second embodiment of the damping hinge of the present invention;

fig. 4 is an exploded view of a second embodiment of the damping hinge according to the present invention.

Detailed Description

As shown in fig. 1 and 2, the first embodiment; the utility model discloses a damping hinge, including moving hinge plate 1, quiet hinge plate 2 and hinge pin 3, moving hinge plate 1 and quiet hinge plate 2 are articulated through hinge pin 3, are equipped with the damping fin 4 that interference suit formed the frictional damping power on hinge pin 3 in the hinge pin cover of moving hinge plate 1, and wherein the result of damping fin 4 and cooperation structure are the conventional technique in this field, and therefore no longer describe for it, but install elastic deformation's elastic rod 5 on quiet hinge plate 2, elastic rod 5 one end is fixed on quiet hinge plate 2, and the other end of elastic rod 5 can be followed elastic rod 5 deformation and swung, the swing end of the elastic rod 5 is provided with a transverse stop part 51 which extends along the transverse direction (the direction of the plane where the vertical hinge plate rotates is the transverse direction) and is positioned on the rotation opening stroke of the movable hinge plate 1, the transverse stop part 51 is connected with a longitudinal guide part 52 which extends along the longitudinal direction (the direction vertical to the transverse direction and the hinge shaft direction are the longitudinal direction at the same time), the transverse stop part 51 and the longitudinal guide part 52 are formed by bending spring wires preferentially, the movable hinge plate 1 can push the transverse stop part 51 along the opening direction to drive the movable elastic rod 5 to swing in an elastic deformation mode so as to break through the limitation of the transverse stop part 51, and the movable hinge plate 1 can rotate along the closing direction under the guide of the longitudinal guide part 52 until the transverse stop part 51 is crossed. After the movable hinge plate 1 is rotated and opened, the movable hinge plate is stopped by a transverse stopping part 51 of the elastic rod 5, so that the limitation of the opening position is reached, and therefore, when the movable hinge plate is applied, the rotation opening angle of the movable hinge plate 1 driven by the automatic springing opening force can be determined by combining the self-springing opening stroke of the cabinet door, so that the opening of the cabinet door is effectively limited, and a plurality of cabinet doors are in the same opening position after being automatically sprung open; because the elastic rod 5 has the elastic deformation capacity, after enough force is applied to the movable hinge plate 1, the movable hinge plate 1 can break through the limitation of the transverse stopping portion 51 to form a larger opening angle, and after the movable hinge plate 1 enters the larger opening angle, when the movable hinge plate 1 rotates towards the closing direction, the longitudinal guide portion 52 of the elastic rod 5 guides the movable hinge plate 1, so that the movable hinge plate 1 can smoothly cross the transverse stopping portion 51.

In order to facilitate the closing operation of the hinge plate 1, after the hinge plate 1 breaks through the limitation of the transverse stopper 51, the elastic rod 5 elastically deforms and the energy storage force drives the longitudinal guide 52 to abut against the hinge plate 1. After the moving hinge plate 1 goes beyond the position, the moving hinge plate 1 does not separate from the longitudinal guide part 52, so that the moving hinge plate 1 can rotate reversely to pass over the transverse stopping part 51. Of course, the moving hinge plate 1 is released from the longitudinal guide 52, and the longitudinal guide 52 is designed to be inclined so that the moving hinge plate 1 pushes the elastic rod 5 to go over the lateral stopper 51.

In order to make the elastic rod 5 have stronger swinging deformation performance, the elastic rod 5 is obliquely arranged on the static hinge plate 2 from the fixed end to the swinging end and close to the hinge shaft and the movable hinge plate 1. The elastic rod 5 can swing more smoothly and reliably through elastic deformation.

In order to further facilitate the installation of the elastic rod 5 and improve the elastic deformation performance, the fixed end of the elastic rod 5 is wound with a spiral ring 53, the spiral ring 53 extends to form a fixed arm 54, the fixed arm 54 is fixed on the static hinge plate 2, the static hinge plate 2 is provided with a positioning screw 6, and the positioning screw 6 is inserted into the spiral ring 53 and limited on the static hinge plate 2. The elastic rod 5 is convenient and reliable to install, the spiral ring 53 is inserted into the positioning screw 6 to realize supporting, and the spiral ring 53 enables the deformation of the elastic rod 5 to be smoother. Furthermore, the end of the fixed arm 54 is bent to form a limit ring 541, and a locking screw is fixed on the static hinge plate 2 and inserted into the limit ring to limit the limit ring 541 on the static hinge plate 2; and, be equipped with the constant head tank on the articulated shaft, the articulated shaft cover of quiet hinge plate 2 is equipped with the screw hole, lock the position screw in the screw hole, the tip of lock the position screw inserts in the constant head tank and constitutes and the articulated shaft axial backstop cooperation. The connection of the articulated shaft and the static articulated plate 2 is realized, and the limiting and positioning of the fixing arm 54 are realized, so that the device has the advantages of simple structure and convenience in installation.

As shown in fig. 3 and 4, the second embodiment; the hinge damping structure in the second embodiment is the same as that in the first embodiment, and the difference is that the elastic rod 5 is structurally replaced by a positioning swing arm 5' and an elastic energy storage resetting piece 7, specifically: a damping hinge comprises a movable hinge plate 1, a fixed hinge plate 2 and a hinge shaft 3, wherein the movable hinge plate 1 and the fixed hinge plate 2 are hinged through the hinge shaft 3, a damping sheet 4 which is sleeved on the hinge shaft 3 in an interference mode to form friction damping force is arranged in a hinge sleeve of the movable hinge plate 1, a positioning swing arm 5 ' is installed on the fixed hinge plate 2, one end of a 5 ' 7 positioning swing arm is pivotally installed on the fixed hinge plate 2 in a positioning mode, a pivot of the positioning swing arm 5 ' can adopt a screw, a transverse stopping portion 51 ' protruding towards one side of the movable hinge plate 1 in the transverse direction is arranged at the swinging end of the positioning swing arm 5 ', a longitudinal guiding portion 52 ' extending in the longitudinal direction is connected with the transverse stopping portion 51 ', the positioning swing arm 5 ' is provided with an elastic energy storage resetting piece 7 enabling the positioning swing arm 5 ' to reset to a stopping position in the rotating stroke of the movable hinge plate 1 in a rotating mode around a pivoting fulcrum, the transverse stopping portion 51 ' can drive the positioning swing arm 5 to push the transverse stopping portion in the rotating stroke, the transverse stopping portion, the positioning swing arm 5 ' can rotate to exceed the transverse guiding portion in the direction, and the lower portion 52, and the movable hinge plate 1 can be limited to rotate in the longitudinal direction. The positioning swing arm 5' is driven by the elastic energy storage reset piece 7 to swing to a stopping position, after the movable hinge plate 1 is rotated and opened, the movable hinge plate 1 is stopped by the transverse stopping piece 51, so that the limitation of the opening position is achieved, and therefore, when the cabinet door is applied, the rotation opening angle of the movable hinge plate 1 driven by the automatic spring opening force can be determined by combining the self-spring opening stroke of the cabinet door, the opening of the cabinet door is effectively limited, and a plurality of cabinet doors are ensured to be in the same opening position after being automatically sprung open; because the positioning swing arm 5 ' can swing, after enough force is applied to the movable hinge plate 1, the movable hinge plate 1 can break through the limitation of the transverse stopping part 51 ', the pushing positioning swing arm 5 ' swings to form a larger opening angle, after the movable hinge plate 1 enters the larger opening angle, when the movable hinge plate 1 rotates towards the closing direction, the longitudinal guide part 52 ' guides the movable hinge plate 1, and the movable hinge plate 1 can smoothly cross the transverse stopping part 51 '.

After the movable hinge plate 1 breaks through the limitation of the transverse stopper 51 ', the longitudinal guide part 52' is pressed against the movable hinge plate 1 under the driving of the energy storage force of the elastic energy storage resetting piece 7. After the movable hinge plate 1 is over, the movable hinge plate 1 is not separated from the longitudinal guide part 52 ', so that the movable hinge plate 1 can conveniently rotate reversely to cross the transverse stopping part 51'.

In order to make the structure more simple and compact, the positioning swing arm 5' is kept at the stop position through the elastic energy storage reset piece 7. Of course, a stopping protrusion may be provided on the stationary hinge plate 2, and the elastic energy storage reset member 7 drives the positioning swing arm 5 'to swing and stop on the stopping protrusion, so that the positioning swing arm 5' is kept at the stopping position. But has a complicated structure.

Furthermore, the elastic energy storage reset part 7 includes a V-shaped spring arm 71, one end of the V-shaped spring arm 71 is bent to form a holding elbow 72, a bent portion of the middle portion of the V-shaped spring arm 71 corresponds to a pivot point of the positioning swing arm 5 ', the other end of the V-shaped spring arm 71 is fixed on the fixed hinge plate 2, the V-shaped spring arm 71 is wound to form a fixing ring 73, the fixing ring is limited on the fixed hinge plate by a screw, the positioning swing arm 5' is provided with a positioning groove 55 ', and the holding elbow 72 extends into the positioning groove 55'. In the natural state of the V-shaped spring arm 71, the positioning swing arm 5 'is hooked to hold the positioning swing arm 5' at the stop position. The V-shaped spring arm 71 is designed, so that the structure is simple, and the installation is convenient. Of course, a spiral spring design can also be adopted, one end of the spiral spring is hung on the positioning swing arm 5', and the other end of the spiral spring is fixed on the static hinge plate 2.

Claims

1. The utility model provides a damping hinge, is including moving hinge plate, quiet hinge plate and hinge pin, moves hinge plate and quiet hinge plate and hinges through the hinge pin, moves the damping fin that is equipped with the interference suit on the hinge pin in the hinge pin of hinge plate in order to form frictional damping power, its characterized in that: the elastic hinge plate is characterized in that an elastic rod capable of elastically deforming is installed on the static hinge plate, one end of the elastic rod is fixed on the static hinge plate, the other end of the elastic rod can swing along with the deformation of the elastic rod, a transverse stopping portion which is located on the rotary opening stroke of the movable hinge plate along the transverse extension is arranged at the swinging end of the elastic rod, the transverse stopping portion is linked with a longitudinal guiding portion which extends along the longitudinal direction, the movable hinge plate can push the transverse stopping portion along the opening direction to drive the movable elastic rod to elastically deform to swing so as to break through the limitation of the transverse stopping portion, and the movable hinge plate can rotate along the closing direction under the guiding of the longitudinal guiding portion until the transverse stopping portion is crossed.

2. The damped hinge according to claim 1 wherein: after the movable hinge plate breaks through the limitation of the transverse stopping part, the longitudinal guide part is pushed against the movable hinge plate under the driving of the elastic deformation energy storage force of the elastic rod.

3. The damped hinge according to claim 1 or 2, wherein: the elastic rod is obliquely arranged on the static hinge plate from the fixed end to the swinging end in a direction close to the hinge shaft and the movable hinge plate.

4. The damped hinge according to claim 1 or 2, wherein: the fixed end of the elastic rod is wound with a spiral ring, the spiral ring extends to form a fixed arm, the fixed arm is fixed on the static hinge plate, the static hinge plate is provided with a positioning screw, and the positioning screw is inserted into the spiral ring and limited on the static hinge plate.

5. The damped hinge according to claim 4, wherein: the hinge shaft sleeve of the static hinge plate is provided with a screw hole, a locking screw is locked in the screw hole, the fixed arm is wound to form a limiting ring, and the locking screw is inserted into the limiting ring and limited on the static hinge plate.

6. The utility model provides a damping hinge, is including moving hinge plate, quiet hinge plate and hinge pin, moves hinge plate and quiet hinge plate and hinges through the hinge pin, moves the damping fin that is equipped with the interference suit on the hinge pin in the hinge pin of hinge plate in order to form frictional damping power, its characterized in that: the positioning swing arm is provided with a transverse stopping part which transversely protrudes towards one side of the movable hinge plate and is pivoted on the fixed hinge plate at one end, the transverse stopping part is linked with a longitudinal guiding part which extends along the longitudinal direction, the positioning swing arm is provided with a stopping position at which the transverse stopping part rotates and swings around a pivoting fulcrum to one side of the movable hinge plate on a rotating stroke of the movable hinge plate, the positioning swing arm is matched with an elastic energy storage resetting part which provides the positioning swing arm to rotate and reset to the stopping position, the movable hinge plate can push the transverse stopping part along the opening direction to drive the positioning swing arm to swing so as to break through the limitation of the transverse stopping part, and the movable hinge plate can rotate along the closing direction under the guiding of the longitudinal guiding part to cross the transverse stopping part.

7. The damped hinge according to claim 6 wherein: after the movable hinge plate breaks through the limitation of the transverse stopping part, the longitudinal guide part is pressed against the movable hinge plate under the driving of the energy storage force of the elastic energy storage resetting piece.

8. The damped hinge according to claim 6 wherein: the positioning swing arm is kept at the stop position through the elastic energy storage reset piece.

9. The damped hinge according to claim 8 wherein: the elastic energy storage reset piece comprises a V-shaped spring arm, one end of the V-shaped spring arm is bent to form a drag elbow, the middle bending part of the V-shaped spring arm corresponds to a pivot fulcrum of the positioning swing arm, the other end of the V-shaped spring arm is fixed on the static hinge plate, a positioning groove is formed in the positioning swing arm, and the drag elbow extends into the positioning groove.