CN209742578U

CN209742578U - Improved buffering hinge

Info

Publication number: CN209742578U
Application number: CN201821679998.2U
Authority: CN
Inventors: 苏树鹏; 黄榕新
Original assignee: Guangdong Xingpeng Industry Co Ltd
Current assignee: Guangdong Xingpeng Industry Co Ltd
Priority date: 2018-10-17
Filing date: 2018-10-17
Publication date: 2019-12-06
Anticipated expiration: 2028-10-17

Abstract

The utility model relates to a hinge research and development designs technical field, especially relates to an improvement buffering hinge, the utility model discloses a following technical scheme: an improved buffering hinge comprises a shell, a first rotating shaft, a U-shaped pin shaft, a hinge cup and a first linkage part, wherein the hinge cup is fixed on a door plate; second pivot, torque spring, second interlock spare, the attenuator guide is including arranging the direction frame between second interlock spare and the shell in, and the shell is enclosed by left and right sides board and upside board and establishes and form, sets up attenuator and attenuator guide, and the output direction of the piston rod of attenuator is up to the curb plate direction setting, the utility model has the advantages of: the production cost is effectively reduced, the noise generated by the friction of parts and the integral rotation smoothness of the product are overcome on the basis of reducing the production cost, and the integral quality and market competitiveness of the product are improved.

Description

Improved buffering hinge

The technical field is as follows:

the invention relates to the technical field of hinge research and development design, in particular to an improved buffering hinge.

Background art: hinges are mechanical devices used to connect two solid bodies and allow relative rotation between them. The hinge may be constructed of a movable component or may be constructed of a foldable material. The hinges are mainly arranged on doors and windows, and more hinges are arranged on cabinets and furniture door plates and are mainly classified into stainless steel hinges and iron hinges according to materials; the hydraulic hinge (also called damping hinge) is also provided for people to enjoy better, and is characterized in that the hydraulic hinge has a buffering function when the cabinet door is closed, and the noise generated by collision between the cabinet door and the cabinet body when the cabinet door is closed is reduced to the greatest extent.

the invention patent disclosed by the Chinese patent office: CN207660429U, announcement date is: 2018.12.27 which discloses a door hinge with a cushioning function that can be positioned in a housing by a damper, the damper having guide grooves on its front and rear sides; the front side and the rear side of the guide sleeve are respectively provided with a guide block and a second tooth group, the guide sleeve is sleeved on the damper, the guide blocks are inserted into corresponding guide grooves, so that the guide sleeve can directionally move on the damper, the second tooth group is meshed with the first tooth group in a matching manner, and a piston rod of the damper is arranged on the guide sleeve, so that the damper has a buffering effect.

The invention content is as follows:

One objective of the present invention is to provide an improved damping hinge, especially a damping hinge with simple structure and lower production cost.

In order to achieve the purpose, the invention adopts the following technical scheme: an improved buffering hinge comprises a shell, a first rotating shaft, a U-shaped pin shaft, a hinge cup and a first linkage part, wherein one end of the first linkage part is rotatably arranged on the shell through the first rotating shaft, the other end of the first linkage part is rotatably connected with the hinge cup through one shaft of the U-shaped pin shaft, and the hinge cup is fixed on a door plate;

A second rotating shaft, a torsion spring and a second linkage piece, wherein one end of the second linkage piece is rotatably arranged in the shell through the second rotating shaft, the other end of the second linkage piece is rotatably connected with the hinge cup through the other shaft of the U-shaped pin shaft, the elastic component is sleeved on the first rotating shaft,

the elastic assembly comprises a torsion spring, a first linkage piece, a second linkage piece and a third linkage piece, wherein the torsion spring is sleeved on the first rotating shaft, a first torsion arm of the torsion spring is connected with the shell in a butting manner, and a second torsion arm of the torsion spring is connected with the second linkage piece in a butting manner; or a first torsion arm of the torsion spring is fixed on the U-shaped pin shaft, and a second torsion arm of the torsion spring is abutted against the first linkage member or the shell.

The shell is formed by enclosing a left side plate, a right side plate and an upper side plate, a damper and a damper guide piece are arranged, the output direction of a piston rod of the damper is arranged towards the upper side plate,

The damper is arranged between the damper guide piece and the shell, one end of the second linkage piece drives the damper guide piece to drive the damper to move in the shell, and the stop piece is arranged in the movement axial direction of the damper to stop the piston rod so as to increase the reset resistance of the torsion spring.

Wherein the damper guide piece comprises a guide frame, a positioning block is arranged between the guide frame and the shell, the damper is arranged between the guide frame and the positioning block,

The guide rack comprises two side plates and a clamping opening shape formed by connecting the bottoms of the two side plates, and the positioning block is arranged between the two side plates of the guide rack.

and the positioning block is provided with sliding grooves corresponding to the two side plates of the guide rack so as to guide and slide the two side plates of the guide rack.

Wherein, the second linkage part is arranged at two sides of the guide frame and is provided with a transmission rod part, two sides of the guide frame are provided with a first notch part or a through hole for the transmission rod part to be inserted or penetrated, and the transmission rod part is transmitted to the first notch part or the through hole at two sides of the guide frame

Wherein, the drive rod spare includes: the second linkage part is positioned at two sides of the guide rack and is respectively provided with a pull shaft, and the pull shafts at the two sides are inserted in the first notch parts or the through holes at the two sides of the guide rack.

Wherein, the drive rod spare includes: the second linkage part is arranged on two sides of the guide rack and provided with transmission shafts, and the transmission shafts penetrate through the first notch parts or the through holes on two sides of the guide rack.

Wherein, the one end of second interlock spare sets up the transmission portion that extends towards its direction frame both sides, and transmission portion is articulated with the drive rod spare.

The positioning block is provided with a positioning hole corresponding to the second rotating shaft and through which the second rotating shaft passes, and the second rotating shaft of the second linkage part passes through the positioning hole.

The positioning block is provided with an outer arc-shaped protruding part at a position close to the second linkage part, and the positioning hole is arranged at a position close to the outer arc-shaped protruding part.

The piston rod of the damper is arranged towards the upper side plate of the shell, the positioning block is provided with a through hole for the piston rod to pass through corresponding to the piston rod, and the upper side plate of the shell stops the piston rod to increase the reset resistance of the torsion spring.

The piston rod of the damper is arranged towards the direction of the bottom plate of the guide rack, the positioning block is provided with a fixing shaft hole for fixing the damper, and the bottom plate of the guide rack stops the piston rod to increase the reset resistance of the torsion spring.

The invention has the advantages that: the production cost of the damper is effectively reduced, on the basis of reducing the production cost, the noise generated by friction of parts and the integral rotation smoothness of a product are overcome, the integral quality and the market competitiveness of the product are improved, the damper which is vertically arranged is adopted, the damper is easy to install, and the cost is saved.

description of the drawings:

FIG. 1 is a schematic top view showing a cushion hinge according to embodiment 1;

fig. 2 is a front view schematically showing the structure of the damper hinge according to embodiment 1;

FIG. 3 is a schematic structural view of a section 1 of a damper hinge according to embodiment 1 or 2;

FIG. 4 is a schematic structural view of a section 2 of a damper hinge according to embodiment 1 or 2;

Fig. 5 is an exploded view of the damper hinge according to embodiment 1 or 2;

FIG. 6 is a schematic view showing a damper guide transmission of the cushion hinge according to embodiment 1 or 2;

FIG. 7 is an exploded view showing a damper guide transmission of the cushion hinge according to embodiment 1 or 2;

FIG. 8 is a schematic structural view of a section 1 of a damper hinge according to embodiment 1 or 3;

FIG. 9 is a schematic structural view of a section 2 of a damper hinge according to embodiment 1 or 3;

fig. 10 is an exploded view of the damper hinge according to embodiment 1 or 3;

FIG. 11 is a schematic view showing a damper guide transmission of the cushion hinge according to embodiment 1 or 3;

Fig. 12 is an exploded view showing the damping guide transmission of the cushion hinge according to embodiment 1 or 3.

The specific implementation mode is as follows:

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the description of the present invention, unless otherwise specified, the terms "upper, lower, inner, outer" and the like are included in the terms in an orientation that represents only an orientation of the term in a conventional use state or is colloquially understood by those skilled in the art, and should not be construed as limiting the term.

in the description of the present invention, in the different embodiments, the different technical features and the different technical solutions, there is no conflict between the technical features and the technical solutions, and the technical features and the technical solutions may be used in combination with each other.

The terms "first," "second," "third," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

example 1: referring to fig. 1-12, an improved buffering hinge comprises a housing 1, a first rotating shaft 51, a U-shaped pin 21, a hinge cup 2, and a first linkage member 3, wherein one end of the first linkage member 3 is rotatably mounted on the housing 1 through the first rotating shaft 51, the other end of the first linkage member 3 is rotatably connected with the hinge cup 2 through a shaft of the U-shaped pin 21, and the hinge cup 2 is fixed on a door panel;

a second rotating shaft 52, a torsion spring 4, a second linkage 5, wherein one end of the second linkage 5 is rotatably installed in the housing 1 through the second rotating shaft 52, the other end of the second linkage 5 is rotatably connected with the hinge cup 2 through the other shaft of the U-shaped pin 21, the elastic component is sleeved on the first rotating shaft 51,

the elastic component comprises:

Structure 1: the torsion spring 4 is sleeved on the first rotating shaft 51, a first torsion arm of the torsion spring 4 is abutted against the shell 1, and a second torsion arm of the torsion spring 4 is abutted against the second linkage piece 5;

Structure 2: the torsion spring 4 is sleeved on the first rotating shaft 51, a first torsion arm of the torsion spring 4 is fixed on the U-shaped pin shaft 21, and a second torsion arm of the torsion spring 4 is abutted against the first linkage member 3 or the shell 1;

structure 3: the torsion spring 4 is composed of a first torsion arm and second torsion arms symmetrically arranged on two sides of the first torsion arm, the first torsion arm of the torsion spring is abutted against the outer shell close to the first connecting piece, and the two groups of second torsion arms are respectively abutted against the second linkage piece.

Wherein, the shell 1 is formed by enclosing a left side plate, a right side plate and an upper side plate, and is provided with a damper 8 and a damper guide piece.

The damper 8 is disposed between the damper guide and the housing 1, one end of the second linking member 5 drives the damper guide to drive the damper 8 to move in the housing 1, and a stopper is disposed in the axial direction of the movement of the damper 8 to stop the piston rod 82 so as to increase the resistance of the torsion spring to return.

The damper guide part includes a guide frame 6, a positioning block 7 is disposed between the guide frame 6 and the housing 1, and the damper 8 is disposed between the guide frame 6 and the positioning block 8, specifically, the damper 8 may be fixedly disposed on the bottom plate 60 of the guide frame 6 or fixedly disposed on the positioning block 7, or only disposed between the positioning block 7 and the guide frame 6 and the damper is accommodated in a fixed shaft hole of the guide frame 6 in which the damper 8 is disposed, specifically, different structures of the damper guide part are matched with different applications in the embodiment 3 and the embodiment 4.

the guide frame 6 comprises two side plates 61 and a clamping opening shape formed by a bottom plate 60 connecting the two side plates 61, the positioning block 7 is arranged between the two side plates 61 of the guide frame 6, the guide frame 6 can be U-shaped, and a gap formed between the two side plates 61 is matched with the diameter of the positioning block 7.

the positioning block 7 is provided with sliding grooves 72 corresponding to the two side plates 61 of the guide frame 6 for guiding and sliding the two side plates 61 of the guide frame 6, and preferably, a stop portion is provided at a top position of the sliding groove 72, and the sliding groove 72 may extend from a bottom surface of the positioning block 7 at one side of the guide frame 6 to a top surface of the positioning block 7.

Wherein, two side plates 61 at the bottom of the guide frame 6 are provided with notches or shaft holes 62, and pull shafts are arranged at two sides of the second connecting piece 6 through matching with the notches or shaft holes 62, the second linkage piece 5 drives the guide frame 6 to move through the pull shaft 55, and when the hinge cup 2 and the shell 1 move relatively, the guide frame 6 is driven by the second linkage piece 5 to move relatively to the positioning block 7 or the shell 1.

The second linkage 5 is provided with a transmission rod at two sides of the guide frame, two sides of the guide frame 6 are provided with a first notch or through hole 62 for the transmission rod to be inserted or passed through, and the transmission rod is transmitted at the first notch or through hole 62 at two sides of the guide frame 6.

Wherein, structure 4: the transmission rod piece comprises a second linkage piece 5, wherein the second linkage piece is positioned on two sides of the guide rack 6 and is respectively provided with a pull shaft 55, two sides of the guide rack 6 are provided with a first notch part or a through hole 62 for the pull shaft 55 to be inserted, the pull shafts 55 on two sides are inserted into the first notch parts or the through holes 62 on two sides of the guide rack 6, specifically, the pull shafts 62 are not limited to pull circular shafts or pull shafts with other shapes, and can also adopt oval circular shafts to solve the technical problem, so detailed description is not needed here, and the skilled person can reasonably select the type.

Wherein, structure 5: the transmission member includes that the second interlock spare is located the both sides of direction frame and sets up the transmission shaft, and direction frame both sides set up a first notch part or the through-hole that supplies the transmission shaft to pass, and the transmission shaft wears to locate the first notch part or the through-hole department of direction frame both sides, and is specific, and the transmission shaft is located the lateral part of damping cylinder body or corresponds the passing position setting of transmission shaft and lets the position mouth.

wherein, one end of the second linkage piece 5 is provided with a transmission part 54 extending to the two sides of the guide frame 6, the transmission part 54 is hinged with the pulling shaft 55, the transmission part 54 extends downwards and slantways towards the direction of the guide frame 6,

The positioning hole 73 is formed in the positioning block 7 corresponding to the second rotating shaft 52 and is used for the second rotating shaft 52 to pass through, the second rotating shaft 52 of the second linking member 5 passes through the positioning hole 73, and the positioning hole 73 is further used for fixedly arranging the positioning block 7 in cooperation with the second rotating shaft 52, so that the second linking member 5 drives the guide frame 6 to move directionally in the housing, and the positioning block 7 and the guide frame 6 move relatively.

The positioning block 7 is disposed near the second linking member 5 and has an outer arc-shaped protrusion, and the positioning hole 73 is disposed near the outer arc-shaped protrusion.

Example 2: referring to fig. 3 to 7, on the basis of any structure of embodiment 1, the stopper is the upper side plate 10 of the housing 1, the piston rod 82 of the damper 8 is disposed toward the upper side plate 10 of the housing, the positioning block 7 is provided with a through hole corresponding to the piston rod 82 for the piston rod 82 to pass through, and the upper side plate 10 of the housing 1 stops the piston rod 82 to increase the resistance of the torsion spring to return.

the output direction of the piston rod 82 of the damper 8 is set toward the upper side plate 10, and the damper 8 includes a damping cylinder 81 and the piston rod 82 provided on the damping cylinder 81.

In the embodiment, in the process of resetting the torsion spring 4, the second linking member 5 rotates to make the second linking member 5 drive the guide frame 6 to slide and make the guide frame 6 slide toward the side of the upper side plate 10 of the housing 1, because the piston rod 82 of the damper 8 abuts against the upper side plate 10 of the housing 1, the mutual abutment of the piston rod 82 and the upper side plate 10 of the housing 1 further reduces the resetting torsion of the torsion spring 4, correspondingly, the closing force of the door panel on which the door is mounted is reduced, a buffering action force is provided in the process of closing the door, and the door panel can be closed slowly, and in the process of opening the door panel, the transmission part 54 of the second linking member 5 is pressed downwards to drive the guide frame 5 to move in the opposite direction and make the guide frame 5 reset to the initial position.

example 3: referring to fig. 8-11, based on any structure of embodiment 1, the stopping member is the bottom plate 60 of the guiding frame 6, the piston rod 82 of the damper 8 is disposed toward the bottom plate 60 of the guiding frame 6, the positioning block 7 is provided with a fixing shaft hole 71 for fixing the damper 8, and the bottom plate 60 of the guiding frame 6 stops the piston rod 82 to increase the resistance of the return of the torsion spring.

In the embodiment, in the process of resetting the torsion spring 4, the second linking member 5 rotates to make the second linking member 5 drive the guide frame 6 to slide and make the guide frame 6 slide toward the side of the upper side plate 10 of the housing 1, because the piston rod 82 of the damper 8 abuts against the bottom plate 60 of the guide frame 6, the mutual abutment of the piston rod 82 and the bottom plate 60 of the guide frame 6 further reduces the torsion of resetting the torsion spring 4, correspondingly, the force of closing the door panel on which the door is mounted is reduced, a buffering action force is provided in the process of closing the door, and the door panel can be closed slowly, and in the process of opening the door panel, the transmission part 54 of the second linking member 5 is pressed downwards to drive the guide frame 6 to move in the opposite direction and reset the guide frame 6 to the initial position.

it should be understood that the above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the invention, therefore, all equivalent changes in the principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An improved buffering hinge comprises a shell, a first rotating shaft, a U-shaped pin shaft, a hinge cup and a first linkage part, wherein one end of the first linkage part is rotatably arranged on the shell through the first rotating shaft, the other end of the first linkage part is rotatably connected with the hinge cup through one shaft of the U-shaped pin shaft, and the hinge cup is fixed on a door plate;

The elastic assembly comprises a torsion spring, a first linkage piece, a second linkage piece and a third linkage piece, wherein the torsion spring is sleeved on the first rotating shaft, a first torsion arm of the torsion spring is connected with the shell in a butting manner, and a second torsion arm of the torsion spring is connected with the second linkage piece in a butting manner; or a first torsion arm of the torsion spring is fixed on the U-shaped pin shaft, a second torsion arm of the torsion spring is abutted against the first linkage part or the shell,

the method is characterized in that: the damper is arranged between the damper guide piece and the shell, one end of the second linkage piece drives the damper guide piece to drive the damper to move in the shell, and the stop piece is arranged in the movement axial direction of the damper to stop the piston rod so as to increase the reset resistance of the torsion spring.

2. the improved cushioned hinge of claim 1, wherein: the damper guide piece comprises a guide rack, a positioning block is arranged between the guide rack and the shell, and the damper is arranged between the guide rack and the positioning block.

3. The improved cushioned hinge of claim 2, wherein: the guide frame comprises two side plates and a clamping opening shape formed by connecting the bottoms of the two side plates, and the positioning block is arranged between the two side plates of the guide frame.

4. The improved cushioned hinge of claim 3, wherein: the positioning block is provided with sliding grooves corresponding to the two side plates of the guide rack so as to guide and slide the two side plates of the guide rack.

5. the improved cushioned hinge of claim 1, wherein: the second linkage part is arranged at two sides of the guide frame and is provided with a transmission rod part, two sides of the guide frame are provided with a first notch part or a through hole for the transmission rod part to be inserted or passed through, and the transmission rod part is transmitted at the first notch part or the through hole at two sides of the guide frame.

6. the improved damping hinge according to claim 5, wherein: the drive link includes: the second linkage part is positioned at two sides of the guide rack and is respectively provided with a pull shaft, and the pull shafts at the two sides are inserted in the first notch parts or the through holes at the two sides of the guide rack.

7. The improved damping hinge according to claim 5, wherein: the drive link includes: the second linkage part is arranged on two sides of the guide rack and provided with transmission shafts, and the transmission shafts penetrate through the first notch parts or the through holes on two sides of the guide rack.

8. The improved damping hinge according to claim 5, wherein: one end of the second linkage piece is provided with a transmission part extending towards the two sides of the guide rack, and the transmission part is hinged with the transmission rod piece.

9. The improved cushioned hinge of claim 2, wherein: the positioning block is provided with a positioning hole corresponding to the second rotating shaft and through which the second rotating shaft passes, and the second rotating shaft of the second linkage part passes through the positioning hole.

10. the improved cushioned hinge of claim 9, wherein: the positioning block is provided with an outer arc-shaped protruding part at a position close to the second linkage part, and the positioning hole is arranged at a position close to the outer arc-shaped protruding part.

11. an improved damped hinge according to any one of claims 1-10 wherein: the piston rod of the damper is arranged towards the upper side plate of the shell, the positioning block is provided with a through hole for the piston rod to pass through corresponding to the piston rod, and the upper side plate of the shell stops the piston rod to increase the reset resistance of the torsion spring.

12. An improved damped hinge according to any one of claims 1-10 wherein: the piston rod of the damper is arranged towards the direction of the bottom plate of the guide rack, the positioning block is provided with a fixing shaft hole for fixing the damper, and the bottom plate of the guide rack stops the piston rod to increase the reset resistance of the torsion spring.