CN221256452U

CN221256452U - Novel hinge structure of steel section door

Info

Publication number: CN221256452U
Application number: CN202323257527.6U
Authority: CN
Inventors: 徐跃进; 倪晓波; 王川川; 黄博; 胡敏
Original assignee: Zhejiang Xingyue Security Technology Co ltd
Current assignee: Zhejiang Xingyue Security Technology Co ltd
Priority date: 2023-11-30
Filing date: 2023-11-30
Publication date: 2024-07-02
Anticipated expiration: 2033-11-30

Abstract

The utility model discloses a novel hinge structure of a steel section door, and aims to provide a hinge structure of the steel section door, which is reasonable in structure, adjustable in hinge, good in wear resistance and free from welding of an upper hinge of the hinge.

Description

Novel hinge structure of steel section door

Technical Field

The utility model relates to the technical field of entrance doors, in particular to a novel hinge structure of a steel section door.

Background

Steel profiles are objects with certain geometry made of materials with certain strength and toughness through rolling, extrusion, casting and other processes. The material has a certain appearance size, a certain shape of section and certain mechanical and physical properties. The steel section can be used alone or further processed into other products, and is commonly used for door entry and manufacturing installation.

The hinge of steel section door that can purchase on the market at present is welding hinge, traditional welding hinge includes hinge pin, hinge upper hinge and hinge lower hinge, wherein hinge pin and door leaf welding, hinge lower hinge and door frame welding on the hinge, this kind of hinge has several shortcoming, 1, the problem of the infirm easy fracture of hinge welding on the hinge, 2, hinge pin and door leaf panel have to interfere, lead to steel section system to need to cut, reduce the bulk strength of section bar, 3, the hinge can't be adjusted, require the welding very accurate, 4, the hinge wear-resisting difference appears abnormal sound easily after the door leaf opens and shuts repeatedly, consequently, need do further optimization to traditional hinge.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a hinge structure of a steel section door, which has the advantages of reasonable structure, adjustable hinge, good wear resistance and no need of welding a hinge on the hinge.

In order to solve the technical problems, the utility model provides the following technical scheme:

The utility model provides a novel hinge structure of steel section door, includes door frame, door leaf and hinge subassembly, hinge subassembly includes hinge pin, cooperation under hinge pin lower extreme and door frame welded hinge and cooperation on hinge pin upper end and with door leaf spiro union hinge, the hinge pin both ends are inlayed respectively and are equipped with the roll steel ball, hinge bottom is provided with adjusting screw under the hinge, this adjusting screw one end wear to establish in hinge under the hinge and with hinge pin looks butt.

Preferably, the hinge comprises an upper hinge main body and hinge plates welded on the upper hinge main body, threaded holes are uniformly formed in the hinge plates, and upper hinge shaft holes for assembling the hinge shafts are symmetrically formed in the upper side and the lower side of the upper hinge main body.

Preferably, the hinge lower hinge comprises a lower hinge main body and a hinge table used for welding a door frame, and a lower hinge shaft hole for assembling the hinge shaft is formed in the lower hinge main body.

Preferably, the lower hinge shaft hole is internally matched with a wear-resistant copper sleeve.

Preferably, the upper hinge main body is provided with a groove for welding a hinge plate, and the hinge plate is connected to the door leaf through a screw.

Preferably, the bottom of the adjusting screw is provided with a propping part for controlling the rotation of the adjusting screw.

Compared with the prior art, the utility model has the beneficial effects that:

1. The utility model discloses novel hinge structure of steel section door, hinge adoption screw connection on the hinge, hinge adoption welded connection's mode under the hinge can effectually avoid the hinge to lead to the problem of fracture because of the welding is infirm on the hinge, have avoided the interference between the AND gate sector board, need not to cut steel section door plant, the effectual bulk strength who guarantees the section bar.

2. The utility model discloses novel hinge structure of steel section door inlays respectively through the hinge pin both ends and is equipped with the design of rolling steel ball for sliding friction between hinge pin and the hinge upper hinge and the hinge lower hinge becomes rolling friction, has effectively avoided because of the wearing and tearing that lead to of opening and close for a long time, has guaranteed that the door leaf is opened and close smoothly and no abnormal sound.

3. The utility model discloses novel hinge structure of steel section door is provided with adjusting screw's design through hinge bottom under the hinge, and the hinge reciprocates and then convenient assembly has also avoided the very accurate requirement of hinge welding position under the hinge on the adjustable control hinge, great convenience installer.

Drawings

FIG. 1 is an assembled schematic view of a novel hinge structure of a steel section door of the present utility model;

FIG. 2 is a schematic structural view of a novel hinge structure of a steel section door according to the present utility model;

FIG. 3 is a schematic view of the front view of the hinge of the present utility model;

FIG. 4 is a schematic top view of the hinge of the present utility model;

FIG. 5 is a schematic view of the front view of the lower hinge of the present utility model;

Fig. 6 is a schematic top view of the lower hinge of the present utility model.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, a novel hinge structure of steel section door, including door frame 1, door leaf 2 and hinge subassembly 3, hinge subassembly 3 includes hinge pin 31, the cooperation is at hinge pin 31 lower extreme and with door frame 1 welded hinge down hinge 32 and cooperation is at hinge pin 31 upper end and with door leaf 2 spiro union hinge up hinge 33, hinge up hinge 33 adopts the screw rod to be connected with the door leaf, hinge down hinge 32 welds with the door frame, the mode that both combine to be connected, can effectually avoid hinge up hinge because of welding infirm leads to the problem of fracture, interference between the door leaf panel has been avoided, need not to cut steel section door plant, the effectual bulk strength of having guaranteed the section bar, the rolling steel ball 4 has been inlayed respectively at hinge pin 31 both ends, rolling steel ball 4 makes the sliding friction between hinge pin and the hinge down hinge on the hinge become rolling friction, effectively avoided because of the wearing and tearing that open and close smoothly and do not have abnormal sound for a long time, hinge down hinge 32 bottom is provided with adjusting screw 5, this adjusting screw 5 one end wears to establish under the hinge 32 and offsets with hinge pin 31, adjusting screw 5 can control hinge up and down hinge down movement has also been controlled and has been changed the requirement of the hinge down hinge is very big and convenient to install the hinge greatly.

The hinge upper hinge 33 comprises an upper hinge main body 331 and a hinge plate 332 welded on the upper hinge main body 331, wherein threaded holes 333 are uniformly formed in the hinge plate 332, the threaded holes 333 are used for threading and fixing screws so as to ensure the fixing of the hinge upper hinge 33, upper hinge shaft holes 334 for assembling the hinge shaft 31 are symmetrically formed in the upper side and the lower side of the upper hinge main body 331, and the upper hinge shaft holes 334 can be matched with the hinge shaft 31 up and down so as to change the direction of the hinge plate 332 and adapt to left side and right side processing respectively.

The hinge lower hinge 32 includes lower hinge main part 321 and is used for door frame welded hinge stand 322, is provided with the lower hinge shaft hole 323 that supplies hinge pin 31 assembly on the lower hinge main part 321, and lower hinge shaft hole 323 internal fit has wear-resisting copper bush 6, and wear-resisting copper bush 6 guarantees that hinge shaft hole and hinge pin cooperation are accurate, do not appear rocking.

The upper hinge body 331 is provided with a groove 335 for welding the hinge piece 332, the hinge piece 332 is connected to the door leaf 2 through a screw, and the groove 335 ensures that the hinge piece 332 is stably welded on the upper hinge body 331.

The bottom of the adjusting screw 5 is provided with a butt part 51 for controlling the rotation of the adjusting screw 5, and the butt part 51 facilitates the adjusting operation of the adjusting screw 5.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel hinge structure of steel section bar door, includes door frame, door leaf and hinge assembly, its characterized in that: the hinge assembly comprises a hinge shaft, a lower hinge which is matched with the lower end of the hinge shaft and welded with the door frame, and an upper hinge which is matched with the upper end of the hinge shaft and connected with the door leaf in a screwed mode, rolling steel balls are respectively embedded at two ends of the hinge shaft, an adjusting screw is arranged at the bottom of the lower hinge of the hinge, and one end of the adjusting screw is arranged in the lower hinge of the hinge in a penetrating mode and is abutted to the hinge shaft.

2. A novel hinge structure of a steel profile door according to claim 1, wherein: the upper hinge comprises an upper hinge main body and hinge plates welded on the upper hinge main body, threaded holes are uniformly formed in the hinge plates, and upper hinge shaft holes for assembling the hinge shafts are symmetrically formed in the upper side and the lower side of the upper hinge main body.

3. A novel hinge structure of a steel profile door according to claim 1, wherein: the hinge lower hinge comprises a lower hinge main body and a hinge table used for welding a door frame, wherein a lower hinge shaft hole for assembling a hinge shaft is formed in the lower hinge main body.

4. A novel hinge structure of a steel profile door according to claim 3, wherein: and a wear-resistant copper sleeve is matched in the lower hinge shaft hole.

5. A novel hinge structure of steel sectional material door as claimed in claim 2, wherein: the upper hinge body is provided with a groove for welding a hinge plate, and the hinge plate is connected to the door leaf through a screw.

6. A novel hinge structure of a steel profile door according to any one of claims 1 to 5, characterized in that: the bottom of the adjusting screw is provided with a propping part for controlling the rotation of the adjusting screw.