CN216008169U

CN216008169U - Adjustable heaven and earth shaft hinge structure

Info

Publication number: CN216008169U
Application number: CN202121128518.5U
Authority: CN
Inventors: 李宙平; 姜伟伟
Original assignee: Maars Partitioning Systems Suzhou Co ltd
Current assignee: Maars Partitioning Systems Suzhou Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-03-11
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses an adjustable heaven and earth shaft hinge structure which comprises a top rotating shaft and a bottom rotating shaft, wherein the top rotating shaft comprises an upper base arranged on a doorframe crossbeam and a fixing piece arranged on a door piece transverse head, and the rotating end of the upper base is rotatably connected with the rotating end of the fixing piece through an upper shaft core; the bottom rotating shaft comprises a lower base arranged on the ground, a supporting frame arranged on the lower part of the door leaf and a lower shaft core assembly, the lower shaft core assembly is vertically arranged on the lower base, and the rotating end of the supporting frame is sleeved on the upper part of the lower shaft core assembly; wherein, the lower shaft core subassembly includes main lower shaft core, lift adjustment mechanism, and lift adjustment mechanism's upper end and the rotatory end threaded connection of support frame, lift adjustment mechanism lower extreme and the rotatable conflict of main lower shaft core are connected. The lifting adjusting mechanism is rotated to enable the supporting frame to move upwards or downwards relative to the main lower shaft core. Therefore, the purpose of flexibly adjusting the height of the bottom of the door sheet from the ground is achieved, and the height error in the actual installation process is better absorbed.

Description

Adjustable heaven and earth shaft hinge structure

Technical Field

The utility model relates to the technical field of building indoor doors, in particular to an adjustable heaven and earth shaft hinge structure used in an open-mounted heaven and earth shaft door system.

Background

In the construction sector, doors are used in a large number of applications, including the variety, in particular aesthetic and functional, and the zenith-axis doors are also commonly used as access ways to rooms, and more customers wish to use the zenith-axis doors embedded in spaces, which has advantages over the hinge-type doors: firstly, the stress is more reasonable, the door sheet is not easy to deform, and the size of the door sheet can be larger; secondly, the rotating shafts are arranged only on the top and the ground, so that the appearance is more attractive; so it is widely used.

At present, the existing heaven and earth shaft hinge structure generally has the following defects: firstly, the heaven and earth shaft has no self-adjusting function, and if the door opening height is deviated from the door produced and processed during field installation, the deviation can be solved only in a mode similar to that of adding a gasket outside; secondly, during installation, the installation is difficult due to insufficient installation space; thirdly, the stress is unreasonable, which causes the service life to be hard to guarantee.

The defects are difficult to install and short in service life in actual use, and can influence the use feeling of customers. Therefore, how to provide a top and bottom axle structure which can be installed quickly, is simple, has a long service life, is comfortable to use, and is beautiful becomes a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable heaven and earth shaft hinge structure, which aims to solve the technical problem that the heaven and earth shaft hinge structure in the prior art cannot be flexibly adjusted to cause inconvenient installation and provide an obviously installed heaven and earth shaft hinge structure which is rapid in installation, simple, long in service life, good in use feeling and attractive.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model discloses an adjustable heaven and earth shaft hinge structure, which comprises:

the top rotating shaft comprises an upper base arranged on the doorframe crossbeam and a fixing sheet arranged on the transverse head of the door sheet, and the rotating end of the upper base is rotatably connected with the rotating end of the fixing sheet through an upper shaft core;

the bottom rotating shaft comprises a lower base arranged on the ground, a supporting frame arranged on the lower part of the door leaf and a lower shaft core assembly, the lower shaft core assembly is vertically arranged on the lower base, and the rotating end of the supporting frame is sleeved on the upper part of the lower shaft core assembly;

the lower shaft core assembly comprises a main lower shaft core and a lifting adjusting mechanism, the upper end of the lifting adjusting mechanism is in threaded connection with the rotating end of the supporting frame, and the lower end of the lifting adjusting mechanism is in rotatable abutting connection with the main lower shaft core; and rotating the lifting adjusting mechanism to enable the supporting frame to move upwards or downwards relative to the main lower shaft core.

The further improvement is that the rotating end of the support frame is of a cylindrical structure with a through hole, the upper end of the inner wall of the through hole of the rotating end of the support frame is provided with an internal thread section, the internal thread section is provided with a limiting plug, and the lower end of the inner wall of the through hole of the rotating end of the support frame is embedded with a roller bearing; the bottom of the limiting plug is rotatably abutted and connected with the top of the main lower shaft core.

The further improvement lies in that the bottom surface of the limiting plug and the top surface of the main lower shaft core are respectively provided with hemispherical concave holes with the depth smaller than the radius, and steel balls are arranged between the hemispherical concave holes.

The improved structure is characterized in that a lower shaft cap is covered on the barrel body at the rotating end of the supporting frame and is in threaded connection with the barrel body.

The further improvement lies in that the lower end of the main lower shaft core is detachably connected with the lower base through screws.

The improved structure is characterized in that a counter bore is formed in the bottom of the lower base, a threaded hole is formed in the bottom of the main lower shaft core, and a fastening screw penetrates through the counter bore and is in threaded connection with the main lower shaft core.

The top rotating shaft further comprises a fastening screw and an upper shaft cap, the fastening screw is used for locking the upper shaft core and the fixing piece, the fastening screw is screwed on the cylinder wall of the rotating end of the fixing piece, the end part of the screw is tightly propped against the side wall of the upper shaft core, so that the upper shaft core and the fixing piece are connected into a whole, and the upper shaft cap is covered on the cylinder body of the fixing piece and is in threaded connection with the cylinder body; and a roller bearing is arranged between the upper end of the upper shaft core and the upper base.

The further improvement is that the upper base and the doorframe crossbeam are fixedly connected through screws; the fixing piece is fixedly connected with the transverse head of the door piece through a screw; the lower base is fixedly connected with the ground through screws; the support frame is fixedly connected with the lower part of the door sheet through screws.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

according to the adjustable heaven and earth shaft hinge structure, the lifting adjusting mechanism of the lower shaft core assembly is in threaded connection with the rotating end of the supporting frame of the rotating shaft at the bottom, and the lifting adjusting mechanism is rotated, so that the supporting frame can move upwards or downwards relative to the main lower shaft core, the purpose of flexibly adjusting the height of the bottom of the door leaf from the ground is achieved, and the height error in the actual installation process is better absorbed; the modular production and assembly of each component structure make the adjustment operation more simple and convenient; the upper shaft core is installed after the door sheet is installed in place, so that small-space quick installation can be realized, the installation height of the door sheet can be adjusted even after installation, and the door sheet installation device has good market popularization and application values.

Drawings

FIG. 1 is a schematic structural view of a top-bottom shaft door system of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A in FIG. 1;

FIG. 3 is a schematic view of the top rotating shaft;

FIG. 4 is a schematic cross-sectional view of B-B in FIG. 3;

FIG. 5 is a schematic view of the structure of the bottom rotating shaft;

fig. 6 is a schematic cross-sectional view of C-C in fig. 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 2, the present invention discloses a surface-mounted door system with a top-bottom shaft, which adopts an adjustable hinge structure of the top-bottom shaft to mount a door leaf 30 on a door frame 50 of a wall.

As shown in fig. 3 to 6, the adjustable heaven and earth axis hinge structure includes a top rotating shaft 10 and a bottom rotating shaft 20; the top rotating shaft 10 comprises an upper base 102 arranged on a doorframe crossbeam and a fixing sheet 101 arranged on the transverse head of the door sheet 30, and the rotating end of the upper base 102 is rotatably connected with the rotating end of the fixing sheet 101 through an upper shaft core 103; the bottom rotating shaft 20 comprises a lower base 202 installed on the ground 40, a support frame 201 installed on the lower portion of the door sheet 30, and a lower shaft core assembly 203, wherein the lower shaft core assembly 203 is vertically arranged on the lower base 202, and the rotating end of the support frame 201 is sleeved on the upper portion of the lower shaft core assembly 203.

The lower shaft core assembly 203 comprises a main lower shaft core 2031 and a lifting adjusting mechanism 2032, wherein the upper end of the lifting adjusting mechanism 2032 is in threaded connection with the rotating end of the support frame 201, and the lower end of the lifting adjusting mechanism 2032 is in rotatable interference connection with the main lower shaft core 2031; the lifting adjustment mechanism 2032 is rotated to move the supporting frame 201 upward or downward relative to the main lower shaft core 2031.

Specifically, referring to fig. 6, the rotating end of the supporting frame 201 is a cylindrical structure with a through hole, an internal thread section 2012 is arranged at the upper end of the through hole inner wall of the rotating end of the supporting frame 201, a limiting plug 205 is arranged on the internal thread section 2012, and a roller bearing 207 is embedded at the lower end of the through hole inner wall of the rotating end of the supporting frame 201; the bottom of the limiting plug 205 is rotatably abutted against the top of the main lower shaft core 2031.

As a preferable embodiment of the present invention, the further improvement is that the bottom surface of the limiting stopper 205 and the top surface of the main lower shaft core 2031 are respectively provided with hemispherical concave holes with a depth smaller than the radius, and steel balls 206 are arranged between the hemispherical concave holes.

Preferably, a cylinder 2011 at the rotating end of the supporting frame 201 is covered with a lower shaft cap 204, and the lower shaft cap 204 is in threaded connection with the periphery of the cylinder 2011.

In a preferred embodiment of the present invention, the lower end of the main lower shaft core 2031 is detachably connected to the lower base 202 by screws 208.

In a further improvement, a counter bore is formed in the bottom of the lower base 202, a threaded hole is formed in the bottom of the main lower shaft core 2031, and a fastening screw 208 penetrates through the counter bore and is in threaded connection with the main lower shaft core 2031.

As a preferred embodiment of the present invention, referring to fig. 3 and 4, the further improvement is that the top rotary shaft 10 further includes a fastening screw 105 and an upper shaft cap 104 for locking the upper shaft core 103 and the fixing piece 101, the fastening screw 105 is screwed on the cylinder wall of the rotary end of the fixing piece 101, the end of the screw 105 is pressed against the sidewall of the upper shaft core 103, so that the upper shaft core 103 and the fixing piece 101 are connected into a whole, and the upper shaft cap 104 is covered on the cylinder 1011 of the fixing piece 101 and is in threaded connection with the cylinder 1011; a roller bearing 106 is arranged between the upper end of the upper shaft core 103 and the upper base 102.

Preferably, the upper base 102 is fixed to the cross beam of the door frame 50 by screws; the fixing piece 101 and the transverse head of the door piece 30 are fixedly connected through screws; the lower base 202 is fixedly connected with the ground 40 through screws; the support frame 201 is fixed to the lower portion of the door leaf 30 by screws. After the installation is finished, the cylinder 1011 of the fixing piece 101 and the cylinder 2011 of the support frame 201 are located on the same side of the door sheet 30, and the axes of the cylinders coincide.

The installation of the adjustable hinge structure for the heaven and earth shaft of the present invention requires the installation of the rotating shaft after the installation of the door frame 50 on site is completed.

The installation steps include:

s1, positioning the lower base 202 of the bottom rotating shaft 20 according to the position of the door frame 50, and punching a hole on the ground 40; installing a plastic expansion pipe, connecting the lower base 202 of the bottom rotating shaft 20 and the lower shaft core assembly which is fixed on the lower base 202 through the screw 208 and plays a role of connecting and rotating with the ground by using a stainless steel self-tapping screw, and then installing a steel ball 206 in the hemispherical concave hole of the main lower shaft core 2031.

S2, placing the upper base 102 in a groove which is processed in advance on a beam of the door frame 50, and fixing the upper base by using self-tapping screws; placing the fixing piece 101 in a groove pre-processed at the upper transverse end of the door piece 30, and fixing by using a self-tapping screw; placing the support frame 201 in a groove which is processed in advance at the bottom of the door sheet 30, and fixing by using a self-tapping screw; the limiting plug 205 is screwed into the threaded hole at the rotating end of the support frame 201.

S3, the door 30 with the fixing piece 101 and the supporting frame 201 attached thereto is lifted, and the rotating end of the supporting frame 201 is fitted over the main lower shaft core 2031 with the steel ball 206 attached thereto, thereby adjusting the door to a vertical state.

S4, after the door sheet is adjusted to the correct position, the rotating centers of the rotating ends of the fixing sheet 101 and the upper base 102 are on the same line, the upper shaft core 103 is inserted into the shaft holes of the rotating ends of the fixing sheet 101 and the upper base 102 from bottom to top, and the fastening screw 105 is screwed down, so that the upper shaft core 103 and the fixing sheet 101 are connected into a whole.

S5, according to the height of the floor on the site and the size of the gap at the top of the door sheet, rotating the limiting plug 205 to adjust the height of the bottom of the door sheet from the ground, adjusting the door sheet to a proper position and limiting; the upper shaft cap 104 and the lower shaft cap 204 are respectively screwed on and cover the fixing piece 101 and the cylinder body of the supporting frame 201.

It should be understood that the directional terms are set forth in conjunction with the operator's and user's routine operational practices and the drawings accompanying this description, and their presence should not affect the scope of the present invention.

While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the utility model is to be determined by the appended claims.

Claims

1. An adjustable world axis hinge structure, comprising:

the top rotating shaft (10) comprises an upper base (102) arranged on a doorframe beam and a fixing sheet (101) arranged on the transverse head of a door sheet (30), and the rotating end of the upper base (102) is rotatably connected with the rotating end of the fixing sheet (101) through an upper shaft core (103);

the bottom rotating shaft (20) comprises a lower base (202) arranged on the ground (40), a supporting frame (201) arranged on the lower portion of the door sheet (30) and a lower shaft core assembly (203), the lower shaft core assembly (203) is vertically arranged on the lower base (202), and the rotating end of the supporting frame (201) is sleeved on the upper portion of the lower shaft core assembly (203); it is characterized in that the preparation method is characterized in that,

the lower shaft core assembly (203) comprises a main lower shaft core (2031) and a lifting adjusting mechanism (2032), wherein the upper end of the lifting adjusting mechanism (2032) is in threaded connection with the rotating end of the support frame (201), and the lower end of the lifting adjusting mechanism (2032) is in rotatable interference connection with the main lower shaft core (2031); and rotating the lifting adjusting mechanism to enable the supporting frame (201) to move upwards or downwards relative to the main lower shaft core (2031).

2. The adjustable type heaven and earth shaft hinge structure as claimed in claim 1, wherein the rotating end of the support frame (201) is a cylindrical structure with a through hole, an internal thread section (2012) is arranged at the upper end of the inner wall of the through hole of the rotating end of the support frame (201), a limiting choke plug (205) is arranged on the internal thread section, and a roller bearing (207) is embedded at the lower end of the inner wall of the through hole of the rotating end of the support frame (201); the bottom of the limiting plug (205) is rotatably abutted and connected with the top of the main lower shaft core (2031).

3. The adjustable type heaven and earth shaft hinge structure as claimed in claim 2, wherein the bottom surface of the limiting choke plug (205) and the surface of the top (2031) of the main lower shaft core are respectively provided with hemispherical concave holes with the depth smaller than the radius, and steel balls (206) are arranged between the hemispherical concave holes.

4. The adjustable type heaven and earth shaft hinge structure as claimed in claim 2, wherein a cylinder body (2011) at the rotating end of the supporting frame (201) is covered with a lower shaft cap (204), and the lower shaft cap (204) is in threaded connection with the cylinder body.

5. The adjustable type heaven-earth shaft hinge structure as claimed in claim 1, wherein the lower end of the main lower shaft core (2031) is detachably connected with the lower base (202) through screws.

6. The adjustable type heaven and earth shaft hinge structure as claimed in claim 5, wherein a counter bore is formed in the bottom of the lower base (202), a threaded hole is formed in the bottom of the main lower shaft core (2031), and a fastening screw (208) penetrates through the counter bore to be in threaded connection with the main lower shaft core (2031).

7. The adjustable type heaven and earth shaft hinge structure as claimed in claim 1, wherein the top rotating shaft (10) further comprises a fastening screw (105) and an upper shaft cap (104) for locking the upper shaft core (103) and a fixing plate (101), the fastening screw (105) is screwed on the cylinder wall of the rotating end of the fixing plate (101), the end of the screw is tightly pressed against the side wall of the upper shaft core (103) to connect the upper shaft core (103) and the fixing plate (101) into a whole, and the upper shaft cap (104) covers the cylinder body of the fixing plate and is in threaded connection with the cylinder body; a roller bearing is arranged between the upper end of the upper shaft core (103) and the upper base (102).

8. The adjustable type heaven-earth shaft hinge structure as claimed in claim 1, wherein the upper base (102) is fixedly connected with the door frame cross beam through screws; the fixing piece (101) is fixedly connected with the transverse head of the door piece through a screw; the lower base (202) is fixedly connected with the ground through screws; the support frame (201) is fixedly connected with the lower part of the door sheet through screws.