CN215255462U

CN215255462U - Hinge structure of side revolving door

Info

Publication number: CN215255462U
Application number: CN202121137602.3U
Authority: CN
Inventors: 杨怡炜; 沈健
Original assignee: Wuxi Xu Feng Door Industry Manufacturing Co ltd
Current assignee: Wuxi Xu Feng Door Industry Manufacturing Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-21
Anticipated expiration: 2031-05-25

Abstract

The utility model belongs to the technical field of side revolving door equipment, and relates to a side revolving door hinge structure, which comprises a male hinge and a female hinge, wherein the male hinge is rotationally connected with the female hinge through a hinge shaft; bearing stations are respectively arranged at two axial ends of an inner hole of the male portion of the male hinge, a first needle bearing is arranged at the upper bearing station of the male portion of the male hinge, a combined bearing assembly is arranged at the lower bearing station of the male portion of the male hinge, the combined bearing assembly comprises a second needle bearing and a plane thrust ball bearing, and the second needle bearing and the plane thrust ball bearing are provided with a shared main shell. The hinge structure can realize free rotation without clamping stagnation of the door leaf and can effectively meet the use requirement.

Description

Hinge structure of side revolving door

Technical Field

The utility model belongs to the technical field of the side revolving door equipment, a side revolving door hinge structure is related to.

Background

The side revolving door has numerous door leaves, the door leaves are connected through hinges, and the performance of the hinges directly influences the operation of the side revolving door. The hinge is stressed in the radial direction and the axial direction when rotating, a male hinge and a female hinge of the conventional hinge are rotationally connected through a hinge shaft, and the hinge is difficult to freely and reliably rotate as required when in work.

Disclosure of Invention

The utility model provides a to above-mentioned problem, a side revolving door hinge structure is provided, and this hinge structure can realize that the door leaf is free not to have the rotation of jamming, can effectively satisfy the use needs.

According to the technical scheme of the utility model: the utility model provides a side revolving door hinge structure which characterized in that: the hinge comprises a male hinge and a female hinge, wherein the male hinge is rotationally connected with the female hinge through a hinge shaft; bearing stations are respectively arranged at two axial ends of an inner hole of the male portion of the male hinge, a first needle bearing is arranged at the upper bearing station of the male portion of the male hinge, a combined bearing assembly is arranged at the lower bearing station of the male portion of the male hinge, the combined bearing assembly comprises a second needle bearing and a plane thrust ball bearing, and the second needle bearing and the plane thrust ball bearing are provided with a shared main shell.

As the utility model discloses a further improvement, the axial one end of hinge axle is provided with the end shield, and the end cover is established to the hinge axle other pot head, and the end cover passes through hexagon bolt to be fixed in on the hinge axle.

As a further improvement of the present invention, the male portion inner hole of the male hinge is provided with a step corresponding to the combined bearing assembly, and the lower end lateral portion of the main housing body is abutted against the bottom surface of the step.

As a further improvement of the present invention, the circumferential surface of the main casing body is provided with an arc groove.

As a further improvement of the utility model, the lower shell of the plane thrust ball bearing is matched with the main shell body.

As the utility model discloses a further improvement, set up direct type pressure filling oil cup on the hinge epaxial corresponding to first bearing department and second bearing and plane thrust ball bearing department respectively.

The technical effects of the utility model reside in that: the product of the utility model has reasonable and ingenious structure, and the free and non-clamping rotation of the door leaf can be realized by arranging the needle bearing and the combined bearing of the needle bearing and the plane thrust ball bearing in the inner hole of the common hinge; when the hinge group works, the bearings are stressed in the axial direction and the radial direction, the hinge group rotates flexibly and has no noise.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the male hinge.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a schematic structural view of the female hinge.

Fig. 5 is a sectional view taken along line a-a of fig. 4.

Fig. 6 is a schematic view of the usage state of the present invention.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In fig. 1 to 6, the hinge comprises a male hinge 1, a female hinge 2, a hinge shaft 3, an end cover 4, a first needle bearing B1, a second needle bearing B2, a straight-through type pressure injection oil cup B3, a hexagon bolt B4, a plane thrust ball bearing B5, a main housing B6, a lower housing B7, a side swing door leaf 5, a lower rail 6, and the like.

As shown in fig. 1 to 5, the utility model relates to a hinge structure of a side revolving door, which comprises a male hinge 1 and a female hinge 2, wherein the male hinge 1 is rotatably connected with the female hinge 2 through a hinge shaft 3; bearing stations are respectively arranged at two axial ends of an inner hole of the male part of the male hinge 1, wherein a first needle bearing B1 is arranged at the upper bearing station of the male part of the male hinge 1, a combined bearing assembly is arranged at the lower bearing station of the male part of the male hinge 1, the combined bearing assembly comprises a second needle bearing B2 and a plane thrust ball bearing B5, and the second needle bearing B2 and the plane thrust ball bearing B5 are provided with a common main shell B6.

An end stop is arranged at one axial end of the hinge shaft 3, and the outer diameter of the end stop is larger than the diameter of an inner hole of the female hinge 2. The other end of the hinge shaft 3 is sleeved with an end cover 4, and the end cover 4 is fixed on the hinge shaft 3 through a hexagon bolt B4.

It can be understood that, for the effective cooperation of public hinge 1 and female hinge 2, female hinge 2's middle part is equipped with female portion recess, and public hinge 1's public portion cooperatees with female hinge 2's female portion recess, for effectively improving the location of the connecting hole portion of female hinge 2 female portion recess both sides, female hinge 2's the interior terminal surface of connecting hole portion sets up radial bulge, and radial bulge and female hinge 2's the coaxial setting of connecting hole portion.

The male portion inner hole of the male hinge 1 is provided with a step corresponding to the combined bearing assembly, and the lower end transverse portion of the main housing B6 abuts against the bottom surface of the step.

The circumferential surface of the main housing B6 is provided with a circular arc groove, and the lower housing B7 of the flat thrust ball bearing B5 is fitted with the main housing B6.

The hinge shaft 3 is provided with a straight-through type pressure filling oil cup B3 corresponding to the first needle bearing B1 and the second needle bearing B2 and the plane thrust ball bearing B5 respectively.

As shown in figures 2-5, the male hinge 1 and the female hinge 2 are respectively provided with a mounting hole, so that the utility model discloses installation when the product is used.

As shown in figure 6, the utility model discloses the user state of product, side revolving door leaf 5 is numerous, links to each other through the hinge between 5 door leaves, and the performance direct influence side revolving door's of hinge operation. The utility model discloses a hinge is by public hinge 1, female hinge 2, hinge axle 3, end cover 4, first bearing B1, second bearing B2, plane thrust ball bearing B5 etc. constitute, the axial and the radial atress of hinge group all have the bearing, rotate in a flexible way, do not have the abnormal sound, the hinge is pour the preparation of cast steel water by the touch of customization and is formed, the hole on the hinge is the finish machining on the lathe, hot-galvanize after that, final assembly has advantages such as simple manufacture, with low costs, the atress is big.

Claims

1. The utility model provides a side revolving door hinge structure which characterized in that: the hinge comprises a male hinge (1) and a female hinge (2), wherein the male hinge (1) is rotatably connected with the female hinge (2) through a hinge shaft (3); the axial two ends of a male part inner hole of the male hinge (1) are respectively provided with a bearing station, wherein the upper bearing station of the male part of the male hinge (1) is provided with a first needle bearing (B1), the lower bearing station of the male part of the male hinge (1) is provided with a combined bearing assembly, the combined bearing assembly comprises a second needle bearing (B2) and a plane thrust ball bearing (B5), and the second needle bearing (B2) and the plane thrust ball bearing (B5) are provided with a shared main shell (B6).

2. The side-swinging door hinge structure of claim 1, wherein: an end stop is arranged at one axial end of the hinge shaft (3), an end cover (4) is sleeved at the other end of the hinge shaft (3), and the end cover (4) is fixed on the hinge shaft (3) through a hexagon bolt (B4).

3. The side-swinging door hinge structure of claim 1, wherein: the inner hole of the male part of the male hinge (1) is provided with a step corresponding to the combined bearing assembly, and the lower end transverse part of the main shell (B6) abuts against the bottom surface of the step.

4. The side-swinging door hinge structure of claim 1, wherein: the circumferential surface of the main shell (B6) is provided with a circular arc groove.

5. The side-swinging door hinge structure of claim 1, wherein: the lower shell (B7) of the plane thrust ball bearing (B5) is matched with the main shell (B6).

6. The side-swinging door hinge structure of claim 1, wherein: the hinge shaft (3) is provided with a straight-through type pressure oil injection cup (B3) at the position corresponding to the first needle bearing (B1) and the second needle bearing (B2) and the plane thrust ball bearing (B5).