CN210439842U

CN210439842U - Damping hinge

Info

Publication number: CN210439842U
Application number: CN201920681928.9U
Authority: CN
Inventors: 项文广; 李乾兴; 周燕义
Original assignee: Wenzhou Yeeka Hardware Co ltd
Current assignee: Wenzhou Yeeka Hardware Co ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-05-01
Anticipated expiration: 2029-05-14

Abstract

The utility model relates to a damping hinge, including first hinge seat, second hinge seat, hinge pin and damping subassembly, first hinge seat is equipped with tubulose pin joint portion, is equipped with the pilot hole in tubulose pin joint portion, sets up second hinge seat in tubulose pin joint portion axial one end position, and on articulated shaft one end was fixed in second hinge seat, the articulated shaft other end was worn to locate in the pilot hole and through axial locating part axial restriction in tubulose pin joint portion, and articulated shaft rotary support is in tubulose pin joint portion. The damping hinge with the asymmetric design is suitable for being installed and used at two ends of a door body. The damping hinge realizes the effects of installation, hovering, support and the like of the door body, and the second hinge seat is only located at one end of the tubular pivoting part of the first hinge seat, so that the damping hinge can be installed at two ends of the door body, a larger middle space is reserved, the installation mode that a common hinge needs to be additionally supported in the existing market is replaced, the installation space is saved, the installation flow is simplified, and the cost is reduced.

Description

Damping hinge

Technical Field

The utility model relates to a hinge technical field specifically is damping hinge.

Background

Hinges are mechanical devices used to connect two solid bodies and allow relative rotation between them. The damping hinge is a hinge capable of providing damping force when opening or closing, and is widely applied to industries such as cabinets, communication, rail transit, household appliances and the like in life. The existing damping hinges are designed in a symmetrical structure, for example, as disclosed in patent application No. 201610247566.3, two ends of a hinge shaft of the damping hinge are respectively fixed on two fixing lugs of a fixed hinge seat, a movable hinge seat is in rotating fit on the hinge shaft, so that the installation position of the hinge is limited, the installation position is located in the middle of a door body, and the damping hinge cannot be well adapted to the use of some occasions, such as a luggage compartment door of a bus, without a door frame, and the hinge occupies a middle installation position of the luggage compartment door, which is not beneficial to the installation of other mechanisms of the luggage compartment door.

Disclosure of Invention

The utility model discloses the invention purpose: for overcoming the defect that prior art exists, the utility model provides a damping hinge of asymmetric design adapts to a body both ends position and installs and use.

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

the utility model provides a damping hinge, includes first hinge seat, second hinge seat, hinge pin and damping component, and first hinge seat is equipped with tubulose pin joint portion, is equipped with pilot hole, its characterized in that in the tubulose pin joint portion: and a second hinge seat is arranged at one axial end of the tubular pivoting part, one end of the articulated shaft is fixed on the second hinge seat, the other end of the articulated shaft is arranged in the assembling hole in a penetrating way and is axially limited on the tubular pivoting part through the axial limiting part, and the articulated shaft is rotatably supported on the tubular pivoting part.

By adopting the technical scheme, the damping hinge realizes the effects of mounting, hovering, supporting and the like of the door body, replaces the mounting mode of adding the support to the common hinge in the existing market, saves the mounting space, simplifies the mounting process and reduces the cost, the second hinge seat is arranged at one end of the tubular pivoting part of the first hinge seat, one end of the articulated shaft is fixed on the second hinge seat, and the articulated shaft is supported on the tubular pivoting part and limited on the tubular pivoting part through the axial limiting piece, so that the first hinge seat and the second hinge seat can be relatively rotatably assembled together; therefore, the second hinge seat is only positioned at one end of the tubular pivoting part of the first hinge seat, so that the damping hinge can be installed at two ends of the door body, and a larger middle space is reserved.

Preferably, a rotation supporting mechanism is arranged between one end of the tubular pivoting part axially corresponding to the second hinge seat and the second hinge seat, so that one end of the tubular pivoting part is rotatably supported on the second hinge seat, a shaft seat for rotatably supporting the hinge shaft is arranged at the other end of the tubular pivoting part axially, and the hinge shaft is rotatably supported on the shaft seat. Under the structural design, one end of the tubular pivoting part of the first hinge seat is supported on the second hinge seat through the rotary supporting mechanism, and the other end of the tubular pivoting part of the first hinge seat is supported on the hinge shaft through the shaft seat, so that the first hinge seat and the second hinge seat are matched more stably and reliably.

Preferably, the rotary supporting mechanism comprises a convex ring extending along the axial direction of the hinge shaft of the second hinge seat, one end port of the assembly hole of the tubular pivoting part is provided with a rotary positioning supporting hole, and the convex ring is inserted into the rotary positioning supporting hole and rotatably supported in the rotary positioning supporting hole. Under this structural design, the bulge loop stretches out on the second hinge seat, and the bulge loop inserts the rotatory location supporting hole that the pilot hole port formed and realizes rotary support, and simple structure is compact, convenient assembling.

Preferably, the protruding ring axially protrudes to form a limiting protruding finger, the rotating positioning support hole is internally provided with a limiting boss, correspondingly, a movable groove cavity for the limiting protruding finger to extend into is arranged in the rotating positioning support hole corresponding to the limiting boss, and the limiting protruding finger moves in the movable groove cavity and is in limiting fit with the limiting boss. Under this structural design, the rotation angle restriction of first hinge seat and second hinge seat is realized to spacing protruding finger and spacing boss cooperation, utilizes rotation supporting mechanism department design angle limit structure, has the advantage that simple structure is compact.

Preferably, an assembly opening is formed in one end, far away from the second hinge seat, of the assembly hole of the tubular pivoting portion, and the shaft seat is fixedly covered on the assembly opening. Under this structural design, the axle bed realizes the location and the supporting of hinge pin, realizes closing the assembly opening of pilot hole simultaneously, makes things convenient for damping component to assemble in the pilot hole.

Preferably, one end of the hinge shaft extends out of the shaft hole of the shaft seat and is provided with a clamp spring groove, the axial limiting part is a clamp spring, the clamp spring is arranged in the clamp spring groove, and the clamp spring is in limiting fit with the shaft seat. Under this structural design, the hinge shaft tip realizes through the jump ring that the first hinge seat restriction is fixed, and the hinge shaft installation is simple.

Preferably, the second hinge seat comprises a hinge shaft fixing seat for fixing the hinge shaft and a mounting arm plate fixedly connected with the hinge shaft fixing seat, the mounting arm plate is perpendicular to the hinge shaft, the first hinge seat comprises a first hinge arm plate protruding from one radial side of the tubular pivot part, and the first hinge arm plate is perpendicular to the mounting arm plate. Under this structural design, make things convenient for the hinge mount to use.

Preferably, the damping component comprises a hook-shaped damping piece and an inserting pin, the inserting pin is inserted into the assembling hole and arranged in the same axial direction with the hinge shaft, the hook-shaped damping piece comprises a buckling part and a tail vertebra, the buckling part is sleeved on the hinge shaft in an interference fit mode, and the tail vertebra is clamped on the inserting pin. Under this structural design, damping subassembly simple structure, convenient assembling.

Preferably, the insertion pin is a spring pin formed by winding a sheet material and having radial elastic deformation capacity. Under this structural design, the round pin of inserting has better supporting role to the hook-shaped damping piece, and when local hook-shaped damping piece atress was great, the spring catch provided elastic deformation buffering effect for damping hinge is along the balanced atress of hinge pin axial.

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

Drawings

FIG. 1 is a perspective view of a damping hinge according to an embodiment of the present invention;

FIG. 2 is a schematic view of a damping hinge according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

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

fig. 5 is a schematic view of the structure of the insertion pin according to the embodiment of the present invention.

Detailed Description

Referring to the accompanying drawings 1-5, the utility model discloses a damping hinge, including first hinge seat 1, second hinge seat 2, hinge pin 3 and damping subassembly, first hinge seat 1 is equipped with tubulose pin joint portion 11, is equipped with pilot hole 111 on the tubulose pin joint portion 11 axial one end position of tubulose pin joint portion sets up

second hinge seat

2, and 3 one ends of articulated shaft are fixed in on second hinge seat 2, are equipped with the installation shaft hole on second hinge seat 2, and the one end that articulated shaft 3 inserted the installation shaft hole is equipped with the annular knurl, and the articulated shaft 3 other end is worn to locate in pilot hole 111 and through the restriction of 4 axial of axial locating parts on tubulose

pin joint portion

11, and 3 rotary support of articulated shaft is on tubulose pin joint portion 11. The damping hinge realizes the effects of installation, hovering, supporting and the like of the door body, a second hinge seat is arranged at one end of a tubular pivoting part of the first hinge seat, one end of a hinge shaft is fixed on the second hinge seat, the hinge shaft is supported on the tubular pivoting part and limited on the tubular pivoting part through an axial limiting piece, and therefore the first hinge seat and the second hinge seat can be assembled together in a relatively rotating mode; therefore, the second hinge seat is only positioned at one end of the tubular pivoting part of the first hinge seat, so that the damping hinges can be arranged at two ends of the door body, and a larger middle space is reserved; the installation method of replacing common hinges on the existing market to add supports when in installation and use saves installation space, simplifies installation process and reduces cost.

The second hinge base 2 comprises a hinge shaft fixing base 21 for fixing the hinge shaft 3 and a mounting arm plate 22 fixedly connected with the hinge shaft fixing base 21, the mounting arm plate 22 is perpendicular to the hinge shaft 3, the first hinge base 1 comprises a first hinge arm plate 12 protruding from one radial side of the tubular pivot part 11, and the first hinge arm plate 12 is perpendicular to the mounting arm plate 22. Under the design, the damping hinge is more favorably applied to a frameless door body, and the hinge is convenient to mount and use. The installation orientation of the installation arm plate and the first hinge arm plate can be adjusted according to the requirement.

In this embodiment, a rotation supporting mechanism is disposed between the end of the tubular pivot portion 11 axially corresponding to the second hinge base 2 and the second hinge base 2 to form one end of the tubular pivot portion 11 rotatably supported on the second hinge base 2, an axle seat 5 for rotatably supporting the hinge axle 3 is disposed at the other end of the tubular pivot portion 11 axially, and the hinge axle 3 is rotatably supported on the axle seat 5. One end of the tubular pivoting part of the first hinge seat is supported on the second hinge seat through the rotary supporting mechanism, and the other end of the tubular pivoting part of the first hinge seat is supported on the hinge shaft through the shaft seat, so that the first hinge seat and the second hinge seat are matched more stably and reliably.

Further, the rotary supporting mechanism comprises a convex ring 23 extending along the axial direction of the hinge shaft 3 of the second hinge base 2, one end of the assembly hole 111 of the tubular pivoting part 11 is provided with a rotary positioning supporting hole 11-1, and the convex ring 23 is inserted into the rotary positioning supporting hole 11-1 and is rotatably supported in the rotary positioning supporting hole 11-1. The convex ring extends out of the second hinge seat and is inserted into a rotary positioning supporting hole formed by the port of the assembling hole to realize rotary supporting, and the hinge is simple and compact in structure and convenient to assemble.

And a limit convex finger 231 is axially protruded on the convex ring 23, a limit boss 11-2 is arranged in the rotary positioning supporting hole 11-1, correspondingly, a movable groove cavity 11-11 for the limit convex finger 231 to extend into is arranged in the rotary positioning supporting hole 11-1 corresponding to the limit boss 11-2, and the limit convex finger 231 moves in the movable groove cavity 11-11 and is in limit fit with the limit boss 11-2. The limit convex finger has an active stroke in the active groove cavity corresponding to the rotary opening and closing stroke of the first hinge seat and the second hinge seat, and an angle limit structure is designed at the position of the rotary support mechanism, so that the limit convex finger has the advantage of simple and compact structure.

In addition, the damping component comprises a hook-shaped damping piece 7 and an insertion pin 6, the insertion pin 6 is inserted into the assembling hole 111, the insertion pin 6 and the hinge shaft 3 are arranged in the same axial direction, the hook-shaped damping piece 7 comprises a buckling part 71 and a tail vertebra 72, the buckling part 71 is sleeved on the hinge shaft 3 in an interference fit mode, and the tail vertebra 72 is clamped on the insertion pin 6. In practical application, the number of the hook-shaped damping pieces is set according to requirements, and the damping assembly is simple in structure and convenient to assemble. Certainly as the feasible scheme of the utility model, the damping component can also adopt other structural forms, such as rubber damping sleeve, and this specific embodiment is not listed again. The inserting pin 6 is a spring pin formed by winding a sheet material and having radial elastic deformation capacity. The inserted pin has a better supporting effect on the hook-shaped damping piece, and meanwhile, when the local hook-shaped damping piece is stressed greatly, the spring pin provides an elastic deformation buffering effect, so that the damping hinge is stressed uniformly along the axial direction of the hinge shaft.

In order to facilitate the installation of the damping assembly, an assembly opening 11-3 is formed in one end, away from the second hinge seat 2, of the assembly hole 111 of the tubular pivoting part 11, and the shaft seat is fixedly covered on the assembly opening 11-3. The shaft seat realizes the positioning and supporting of the hinge shaft, and simultaneously realizes the sealing of the assembly opening of the assembly hole, thereby facilitating the assembly of the damping component in the assembly hole.

One end of the hinge shaft 3 extends out of the shaft hole of the shaft seat 5 and is provided with a clamp spring groove 31, the axial limiting piece 4 is a clamp spring, the clamp spring is arranged in the clamp spring groove 31, and the clamp spring is in limiting fit with the shaft seat 5. The end part of the hinge shaft realizes the limitation and fixation of the first hinge seat through the clamp spring, and the hinge shaft is simple to mount.

Claims

1. The utility model provides a damping hinge, includes first hinge seat, second hinge seat, hinge pin and damping component, and first hinge seat is equipped with tubulose pin joint portion, is equipped with pilot hole, its characterized in that in the tubulose pin joint portion: and a second hinge seat is arranged at one axial end of the tubular pivoting part, one end of the articulated shaft is fixed on the second hinge seat, the other end of the articulated shaft is arranged in the assembling hole in a penetrating way and is axially limited on the tubular pivoting part through the axial limiting part, and the articulated shaft is rotatably supported on the tubular pivoting part.

2. The damped hinge according to claim 1 wherein: a rotary supporting mechanism which forms that one end of the tubular pivoting part is rotatably supported on the second hinge seat is arranged between one end of the tubular pivoting part axially corresponding to the second hinge seat and the second hinge seat, a shaft seat for rotatably supporting the articulated shaft is arranged at the other end of the tubular pivoting part axially, and the articulated shaft is rotatably supported on the shaft seat.

3. The damped hinge according to claim 2 wherein: the rotary supporting mechanism comprises a convex ring extending along the axial direction of the hinge shaft of the second hinge seat, a rotary positioning supporting hole is formed in one end port of the assembling hole of the tubular pivoting part, and the convex ring is inserted into the rotary positioning supporting hole and rotatably supported in the rotary positioning supporting hole.

4. The damped hinge according to claim 3 wherein: the protruding ring is axially protruded with a limiting protruding finger, a limiting boss is arranged in the rotary positioning supporting hole, correspondingly, a movable groove cavity for the limiting protruding finger to extend into is arranged in the rotary positioning supporting hole corresponding to the limiting boss, and the limiting protruding finger moves in the movable groove cavity and is in limiting fit with the limiting boss.

5. The damped hinge according to claim 2 wherein: one end of the assembly hole of the tubular pivoting part, which is far away from the second hinge seat, is provided with an assembly opening, and the shaft seat is fixedly covered on the assembly opening.

6. The damped hinge according to claim 5 wherein: one end of the hinge shaft extends out of the shaft hole of the shaft seat and is provided with a clamp spring groove, the axial limiting piece is a clamp spring, the clamp spring is arranged in the clamp spring groove, and the clamp spring is in limiting fit with the shaft seat.

7. The damped hinge according to claim 1 wherein: the second hinge seat comprises a hinge shaft fixing seat for fixing the hinge shaft and an installation arm plate fixedly connected with the hinge shaft fixing seat, the installation arm plate is perpendicular to the hinge shaft, the first hinge seat comprises a first hinge arm plate protruding from one radial side of the tubular pivot part, and the first hinge arm plate is perpendicular to the installation arm plate.

8. The damped hinge according to claim 1 wherein: the damping component comprises a hook-shaped damping piece and an inserting pin, the inserting pin is inserted into the assembling hole and arranged in the same axial direction with the hinged shaft, the hook-shaped damping piece comprises a buckling part and a tail vertebra, the buckling part is sleeved on the hinged shaft in an interference fit mode, and the tail vertebra is clamped on the inserting pin.

9. The damped hinge according to claim 8 wherein: the inserting pin is a spring pin which is formed by winding sheets and has radial elastic deformation capacity.