CN220167750U

CN220167750U - Lifting hinge

Info

Publication number: CN220167750U
Application number: CN202321461829.2U
Authority: CN
Inventors: 徐杨; 赵盛干
Original assignee: United Pharma Kunshan Cleaning System Co ltd
Current assignee: United Pharma Kunshan Cleaning System Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-12-12
Anticipated expiration: 2033-06-09

Abstract

The utility model provides a lifting hinge which comprises a first hinge, a first shaft sleeve, a second hinge, a second shaft sleeve and a rotating shaft, wherein the first hinge is connected with the rotating shaft through the first shaft sleeve, the second hinge is rotationally connected with the rotating shaft through the second shaft sleeve, a first curved surface extending in a spiral shape is arranged on the first shaft sleeve, a second curved surface extending in a spiral shape is arranged on the second shaft sleeve, the second curved surface is matched with the first curved surface, and when a door body is closed, the second curved surface is abutted with the first curved surface and wraps the rotating shaft inside the first curved surface and the second curved surface, so that the strength of the rotating shaft is improved, and the bearing capacity of the lifting hinge is improved.

Description

Lifting hinge

Technical Field

The utility model belongs to the technical field of hinges, and particularly relates to a lifting hinge.

Background

The hinge is called a hinge, and a vertical hinged door installed by the traditional hinge can generate a gap with the ground in the use process, so that dust can easily enter a room from the gap. If a sealed vertical hinged door is adopted, the method can result in

When the door is opened, the door automatically rises for a certain distance along with the opening of the door, and the door automatically descends and resets due to the dead weight of the door when the door is closed.

At present, the existing lifting hinge comprises an upper hinge and a lower hinge, the lower hinge is connected with a rotating shaft, a first lifting curved surface which is spiral is arranged on the outer side of the rotating shaft, a hole structure which is rotationally connected with the rotating shaft is arranged on the upper hinge, a second lifting curved surface which is matched with the first lifting curved surface is arranged on the outer side of the hole structure, and when the door body rotates, the door body moves along the extending direction of the first lifting curved surface through the second lifting curved surface, so that the upper hinge drives the door body to move upwards.

By adopting the technical scheme, the problems are as follows: because the error of installation, the hinge can't guarantee when the installation that the extending direction and the vertical direction of pivot are parallel completely, if the mass of the door body is great, when the gravity effect of the door body was in the pivot, the position of being connected between easy damage pivot and the lower hinge to lead to the unable door body that bears the mass great of hinge, consequently, the bearing capacity of current hinge still remains to improve.

Disclosure of Invention

The embodiment of the utility model aims to provide a lifting hinge to solve the technical problem that the bearing capacity of the hinge in the prior art is still to be improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a lifting hinge including:

a rotating shaft extending along a first direction, the rotating shaft having a first end and a second end along the first direction;

the first shaft sleeve is provided with a first accommodating hole, the first accommodating hole extends along the first direction, the first end is installed in the first accommodating hole, the first shaft sleeve is provided with a first curved surface, and the first curved surface extends spirally around the rotating shaft along the first direction;

the first hinge is provided with a second accommodating hole extending along the first direction, the first shaft sleeve is arranged in the first accommodating hole, and the first curved surface is positioned outside the first accommodating hole;

the second sleeve is provided with a third accommodating hole extending in a third direction, the second end is rotationally connected in the third accommodating hole, a second curved surface which is used for being matched with the first curved surface is arranged in the third accommodating hole, and the second curved surface extends spirally along the first direction;

and the second hinge is provided with a fourth accommodating hole extending along the first direction, and the second sleeve is arranged in the fourth accommodating hole.

Optionally, the first shaft sleeve is provided with a first limiting part, the first limiting part is convexly arranged on the outer wall of the first shaft sleeve along the second direction, and the first limiting part is abutted with one side, facing the second hinge, of the first hinge and is used for limiting the positions of the first shaft sleeve and the first hinge;

wherein the second direction is perpendicular to the first direction.

Optionally, the second sleeve is provided with a second limiting part, the second limiting part protrudes from the outer wall of the second sleeve along the second direction, and the second limiting part is abutted with one side, facing the first hinge, of the second hinge, so as to limit the positions of the second sleeve and the second hinge.

Optionally, the lifting hinge further comprises:

a first positioning member;

the outer wall of the first shaft sleeve is provided with a first positioning groove, the inner wall of the second accommodating hole is provided with a second positioning groove, along the second direction, the first positioning piece is partially accommodated in the first positioning groove, and the other part of the first positioning piece is accommodated in the second positioning groove.

Optionally, the lifting hinge further comprises:

a second positioning member;

the outer wall of the second sleeve is provided with a third positioning groove, the inner wall of the fourth accommodating hole is provided with a fourth positioning groove, along the second direction, the second positioning piece is partially accommodated in the third positioning groove, and the other part of the second positioning piece is accommodated in the fourth positioning groove.

Optionally, the lifting hinge further comprises:

the first end cover is connected to one end of the second accommodating hole, which is away from the second hinge, and the second accommodating hole penetrates through the first hinge along the first direction.

The second end cover, the fourth accommodation hole runs through along first direction the second hinge, first end cover connect in the fourth accommodation hole deviate from the one end of first hinge.

Optionally, a first connecting rod is arranged on the first end cover;

a fifth positioning groove is formed on the outer wall of the first shaft sleeve, and a sixth positioning groove is formed on the inner wall of the second accommodating hole;

along the second direction, the first connecting rod part is accommodated in the fifth positioning groove, and the first connecting rod part is accommodated in the sixth positioning groove.

Optionally, a second connecting rod is arranged on the second end cover;

a seventh positioning groove is formed on the outer wall of the second sleeve, and an eighth positioning groove is formed on the inner wall of the fourth accommodating hole;

along the second direction, the second connecting rod part is accommodated in the seventh positioning groove, and the second connecting rod part is accommodated in the eighth positioning groove.

Optionally, the lifting hinge further comprises:

the first cover plate is connected to the first hinge;

and the second cover plate is connected with the second hinge.

The lifting hinge provided by the utility model has the beneficial effects that: compared with the prior art, the lifting hinge comprises a first hinge, a first shaft sleeve, a second hinge, a second shaft sleeve and a rotating shaft, wherein the first hinge is connected with the rotating shaft through the first shaft sleeve, the second hinge is rotationally connected with the rotating shaft through the second shaft sleeve, a first curved surface extending in a spiral shape is arranged on the first shaft sleeve, a second curved surface extending in a spiral shape is arranged on the second shaft sleeve, the second curved surface is matched with the first curved surface, and when the door body is closed, the second curved surface is abutted with the first curved surface and wraps the rotating shaft inside the first curved surface and the second curved surface, so that the strength of the rotating shaft is improved, and the bearing capacity of the lifting hinge is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a lifting hinge according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a lifting hinge according to a second embodiment of the present utility model;

FIG. 3 is an exploded view of a lifting hinge according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a first hinge according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a first hinge according to an embodiment of the present utility model;

FIG. 6 is a schematic structural diagram of a spindle according to an embodiment of the present utility model;

FIG. 7 is a schematic structural view of a first sleeve and a second sleeve according to an embodiment of the present utility model;

fig. 8 is a schematic structural view of a second hinge according to an embodiment of the present utility model;

fig. 9 is a schematic structural diagram of a second hinge according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

10. a rotating shaft; 11. a first end; 12. a second end; 20. a first sleeve; 21. a first accommodation hole; 22. a first curved surface; 23. a first limit part; 24. a first positioning groove; 25. a fifth positioning groove; 30. a first hinge; 31. a second accommodation hole; 32. a sixth positioning groove; 33. a first cover plate; 34. a first socket head cap screw; 40. a second sleeve; 41. a third accommodation hole; 42. a second curved surface; 43. a second limit part; 44. a third positioning groove; 45. a seventh positioning groove; 50. a second hinge; 51. a fourth accommodation hole; 52. an eighth positioning groove; 53. a second cover plate; 54. a second socket head cap screw; 60. a first positioning member; 70. a second positioning member; 80. a first end cap; 81. a first connecting rod; 90. a second end cap; 91. and a second connecting rod.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 9, a lifting hinge according to an embodiment of the utility model will be described.

A lifting hinge comprises a rotating shaft 10, a first shaft sleeve 20, a first hinge 30, a second shaft sleeve 40 and a second hinge 50.

Specifically, in the present utility model, the rotation shaft 10 extends in a first direction, and the rotation shaft 10 has a first end and a second end in the first direction. Wherein the first direction is the vertical direction in fig. 2.

The first shaft sleeve 20 is formed with a first accommodating hole 21, the first accommodating hole 21 extends along a first direction, a first end is mounted in the first accommodating hole 21, the first shaft sleeve 20 is provided with a first curved surface 22, and the first curved surface 22 extends spirally around the rotating shaft 10 along the first direction.

The first hinge 30 is formed with a second receiving hole 31 extending in the first direction, the first boss 20 is installed in the first receiving hole 21, and the first curved surface 22 is located outside the first receiving hole 21.

The second sleeve 40 is formed with a third accommodating hole 41 extending in the first direction, the second end is rotatably connected in the third accommodating hole 41, and a second curved surface 42 adapted to the first curved surface 22 is disposed in the third accommodating hole 41, and the second curved surface 42 extends spirally along the first direction.

The second hinge 50 is formed with a fourth receiving hole 51 extending in the first direction, and the second bushing 40 is mounted in the fourth receiving hole 51.

When the lifting hinge is used to connect the door body and the door frame, the second hinge 50 is positioned above the first hinge 30, the first hinge 30 is mounted to the door frame by a bolt, and the second hinge 50 is mounted to the door body by a bolt. Of course, the first hinge 30 may be mounted to the door body by a bolt, and the second hinge 50 may be mounted to the door frame by a bolt. For convenience of explanation, the present utility model will be described by taking an example in which the first hinge 30 is mounted to the door frame by a bolt and the second hinge 50 is mounted to the door body by a bolt.

When the door body is closed, the second curved surface 42 abuts against the first curved surface 22 and wraps part of the shaft body of the rotating shaft 10 inside the first curved surface 22 and the second curved surface 42. During the process of opening the door, when the second curved surface 42 rotates relative to the first curved surface 22, the second curved surface 42 moves along the extending direction of the first curved surface 22, so that the second sleeve 40 drives the second hinge 50 to move in a direction away from the first hinge 30, and the second hinge 50 drives the door to move upwards.

Compared with the prior art, when the door body is closed, the second curved surface 42 is abutted with the first curved surface 22, and part of the shaft body of the rotating shaft 10 is wrapped inside the first curved surface 22 and the second curved surface 42, so that the strength of the rotating shaft 10 is improved, and the bearing capacity of the lifting hinge is improved.

In the present utility model, the first sleeve 20 is provided with an annular first limiting portion 23, the first limiting portion 23 is protruded on the outer wall of the first sleeve 20 along the second direction, the first limiting portion 23 is abutted against one side of the first hinge 30 facing the second hinge 50, and the first limiting portion 23 is used for limiting the positions of the first sleeve 20 and the first hinge 30 when the first sleeve 20 is mounted in the second accommodating hole 31. The second direction is perpendicular to the first direction, and the second direction is a radial direction of the rotating shaft 10.

The second sleeve 40 is provided with an annular second limiting portion 43, the second limiting portion 43 is protruding on the outer wall of the second sleeve 40 along the second direction, the second limiting portion 43 is abutted against one side of the second hinge 50 facing the first hinge 30, and when the second sleeve 40 is mounted in the fourth accommodating hole 51, the second limiting portion 43 is used for limiting positions of the second sleeve 40 and the second hinge 50.

In the present utility model, the lifting hinge further includes a rod-shaped first positioning member 60 and a second positioning member 70.

The outer wall of the first shaft sleeve 20 is formed with a first positioning groove 24 extending along a first direction, the inner wall of the second accommodating hole 31 is formed with a second positioning groove extending along the first direction, the first positioning member 60 is partially accommodated in the first positioning groove 24 along the second direction, and the other part of the first positioning member 60 is accommodated in the second positioning groove, and the first positioning member 60 is arranged between the first shaft sleeve 20 and the first hinge 30 to limit the relative position between the first shaft sleeve 20 and the first hinge 30, so that the first shaft sleeve 20 is prevented from rotating relative to the first hinge 30.

The outer wall of the second sleeve 40 is formed with a third positioning groove 44 extending along the first direction, the inner wall of the fourth receiving hole 51 is formed with a fourth positioning groove extending along the first direction, the second positioning member 70 is partially received in the third positioning groove 44 along the second direction, and the other part of the second positioning member 70 is received in the fourth positioning groove, so that the relative position between the second sleeve 40 and the second hinge 50 is limited by providing the second positioning member 70 between the second sleeve 40 and the second hinge 50, thereby preventing the second sleeve 40 from rotating relative to the second hinge 50.

In the present utility model, the lifting hinge further includes a first end cap 80 and a second end cap 90.

The second accommodating hole 31 penetrates the first hinge 30 along the first direction, and the first end cover 80 is connected to an end of the second accommodating hole 31 facing away from the second hinge 50. The first end cover 80 is provided with a rod-shaped first connecting rod 81, a fifth positioning groove 25 extending along the first direction is formed on the outer wall of the first shaft sleeve 20, and the position of the fifth positioning groove 25 corresponds to the position of the first positioning groove 24 and is communicated with the first positioning groove 24. A sixth positioning groove 32 extending along the first direction is formed on the inner wall of the second accommodating hole 31, the position of the sixth positioning groove corresponds to the position of the second positioning groove, and the sixth positioning groove 32 is communicated with the second positioning groove. In the second direction, the first connecting rod 81 is partially received in the fifth positioning groove 25, and the first connecting rod 81 is received in the sixth positioning groove 32. The first end cap 80 is connected to the first shaft housing 20 and the first hinge 30 through a first connection rod 81 for closing an end of the second receiving hole 31 facing away from the second hinge 50 to prevent dust from entering into the second receiving hole 31.

The fourth receiving hole 51 penetrates the second hinge 50 in the first direction, and the first end cap 80 is connected to an end of the fourth receiving hole 51 facing away from the first hinge 30. The second end cover 90 is provided with a rod-shaped second connecting rod 91; a seventh positioning groove 45 is formed on the outer wall of the second sleeve 40, the position of the seventh positioning groove 45 corresponds to the position of the third positioning groove 44, and the seventh positioning groove 45 communicates with the third positioning groove 44. An eighth positioning groove 52 extending along the first direction is formed on the inner wall of the fourth accommodating hole 51, the position of the eighth positioning groove 52 corresponds to the position of the fourth positioning groove, and the eighth positioning groove 52 is communicated with the fourth positioning groove; along the second direction, the second connecting rod 91 is partially accommodated in the seventh positioning groove 45, the second connecting rod 91 is partially accommodated in the eighth positioning groove 52, and the second end cover 90 is connected with the second sleeve 40 and the second hinge 50 through the second connecting rod 91 and is used for closing one end of the fourth accommodating hole 51 facing away from the first hinge 30 so as to prevent dust from entering the fourth accommodating hole 51.

Optionally, the lifting hinge further includes a first cover plate 33 and a second cover plate 53, where the first cover plate 33 is used to cover the connection portion between the first hinge 30 and the door frame by using the first socket head cap bolt 34 and the first hinge 30. The second cover plate 53 is connected to the second hinge 50 by a second socket head cap bolt 54, and is used for shielding a connection portion between the second hinge 50 and the door body.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A lifting hinge, comprising:

2. The lifting hinge of claim 1, wherein the lifting hinge comprises a hinge body,

the first shaft sleeve is provided with a first limiting part, the first limiting part is convexly arranged on the outer wall of the first shaft sleeve along a second direction, and the first limiting part is abutted with one side, facing the second hinge, of the first hinge and is used for limiting the positions of the first shaft sleeve and the first hinge;

wherein the second direction is perpendicular to the first direction.

3. The lifting hinge of claim 2, wherein the lifting hinge comprises a hinge body,

the second shaft sleeve is provided with a second limiting part, the second limiting part is convexly arranged on the outer wall of the second shaft sleeve along the second direction, and the second limiting part is abutted with one side, facing the first hinge, of the second hinge and used for limiting the positions of the second shaft sleeve and the second hinge.

4. The lifting hinge of claim 3, further comprising:

a first positioning member;

5. The lifting hinge of claim 4, further comprising:

a second positioning member;

6. The lifting hinge of claim 5, further comprising:

a first end cap, the second receiving hole extending through the first hinge in the first direction, the first end cap being connected to an end of the second receiving hole facing away from the second hinge;

7. The lifting hinge of claim 6, wherein the lifting hinge comprises a hinge body,

a first connecting rod is arranged on the first end cover;

8. The lifting hinge of claim 7, wherein the lifting hinge comprises a hinge body,

a second connecting rod is arranged on the second end cover;

9. The lifting hinge according to any one of claims 1-8, further comprising:

the first cover plate is connected to the first hinge;

and the second cover plate is connected with the second hinge.