CN213015886U

CN213015886U - Door and window hinge capable of preventing looseness

Info

Publication number: CN213015886U
Application number: CN202021329510.0U
Authority: CN
Inventors: 郑李平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-04-20
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a door and window hinge preventing looseness, including first hinge piece, second hinge piece and axle sleeve, one side of first hinge piece is provided with first sleeve, one side of second hinge piece is provided with the second sleeve, the bottom center of first sleeve is provided with the loose axle, the top center of second sleeve has seted up the activity groove, the axle sleeve is pegged graft in the activity groove, the loose axle rotates to be installed in the axle sleeve, through being provided with the axle sleeve between the loose axle on the first sleeve and the activity groove on the second sleeve, can avoid loose axle and activity groove friction like this, make the bearing capacity big, the side direction is not become flexible during the use, and the axial is not sunken, and is very stable, long service life, is suitable for the heavy door use of various structures; the self-lubricating composite material is coated on the inner side of the shaft sleeve, so that the heavy metal door and the heavy wooden door can be smoothly opened and detached without sagging, and the noise is reduced.

Description

Door and window hinge capable of preventing looseness

Technical Field

The utility model relates to a door and window technical field especially relates to a prevent not hard up door and window hinge.

Background

A hinge is a device for attachment or rotation by which a door, lid or other swinging member can be rotated to open or close, and is typically comprised of a pair of metal leaf bushings that are pivotally connected. At present, the hinge traditionally used in the market generally consists of two fixed hinge pieces, a pin shaft and a gasket, and the hinge is installed on a door leaf and a door frame through screws. However, for a heavy metal door with a large door leaf size and large mass, when the heavy metal door needs to be used for a long time, due to the fact that the door leaf size and the weight are large, and a traditional hinge metal assembly does not have a good lubricating system, in the using process, the movable shaft rotates and rubs in the sleeve back and forth, the hinge is easy to wear, and finally the door is damaged, so that the door cannot be used continuously and normally.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent not hard up hinge for doors and windows has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent not hard up door and window hinge, includes first hinge piece, second hinge piece and axle sleeve, one side of first hinge piece is provided with first sleeve, one side of second hinge piece is provided with the second sleeve, first telescopic bottom center is provided with the loose axle, the movable groove has been seted up at the telescopic top center of second, the axle sleeve is pegged graft in the movable groove, the loose axle rotates to be installed in the axle sleeve, just self-lubricating composite has been paintd on the inboard surface of axle sleeve.

Furthermore, the first sleeve is fixed on one side of the first hinge sheet through welding, and the second sleeve is fixed on one side of the second hinge sheet through welding.

Furthermore, a plurality of mounting holes are formed in the first hinge piece and the second hinge piece.

Further, the shaft sleeve comprises a hollow sleeve body and a sleeve ring fixed at the upper end of the sleeve body, the diameter of the sleeve ring is larger than that of the sleeve body, and the diameter of the movable groove is consistent with the outer diameter of the shaft sleeve.

Further, the movable shaft is a cylindrical solid rod body.

Further, the movable shaft and the first sleeve are of an integral structure.

Furthermore, a circular truncated cone is arranged at one end, away from the first sleeve, of the movable shaft, and the outer wall of the circular truncated cone is arc-shaped.

Compared with the prior art, the beneficial effects of the utility model are that: the shaft sleeve is arranged between the movable shaft on the first sleeve and the movable groove on the second sleeve, so that the movable shaft and the movable groove can be prevented from being rubbed, the bearing capacity is large, the side direction is not loosened during use, the axial direction is not sunk, the stability is high, the service life is long, and the heavy door is suitable for heavy doors with various structures; the self-lubricating composite material is coated on the inner side of the shaft sleeve, so that the heavy metal door and the heavy wooden door can be smoothly opened and detached without sagging, and the noise is reduced.

Drawings

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

Fig. 2 is a schematic diagram of the explosion structure of the present invention.

Fig. 3 is a schematic cross-sectional view at a-a in fig. 2.

Fig. 4 is a schematic structural view of the middle shaft sleeve of the present invention.

In the figure: the hinge comprises a first hinge sheet 1, a first sleeve 11, a movable shaft 12, a circular truncated cone 13, a second hinge sheet 2, a second sleeve 21, a movable groove 22, a shaft sleeve 3, a sleeve body 31, a lantern ring 32 and a mounting hole 100.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

in the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention; furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, the definitions "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly including one or more of such features.

As shown in fig. 1 to 4, a door and window hinge capable of preventing looseness includes a first hinge piece 1, a second hinge piece 2 and a shaft sleeve 3, a first sleeve 11 is arranged on one side of the first hinge piece 1, a second sleeve 21 is arranged on one side of the second hinge piece 2, a movable shaft 12 is arranged at the center of the bottom of the first sleeve 11, a movable groove 22 is formed in the center of the top of the second sleeve 21, the shaft sleeve 3 is inserted into the movable groove 22, the movable shaft 12 is rotatably installed in the shaft sleeve 3, and a self-lubricating composite material is smeared on the surface of the inner side of the shaft sleeve 3.

In this embodiment, the first sleeve 11 is fixed to one side of the first hinge plate 1 by welding, and the second sleeve 21 is fixed to one side of the second hinge plate 2 by welding.

In this embodiment, the first hinge plate 1 and the second hinge plate 2 are both provided with a plurality of mounting holes 100.

In this embodiment, the shaft sleeve 3 includes a hollow sleeve body 31 and a sleeve ring 32 fixed on the upper end of the sleeve body 31, the diameter of the sleeve ring 32 is larger than that of the sleeve body 31, and the diameter of the movable groove 22 is the same as the outer diameter of the shaft sleeve 3.

In this embodiment, the movable shaft 12 is a cylindrical solid rod.

In this embodiment, the movable shaft 12 and the first sleeve 11 are an integral structure.

In this embodiment, a circular truncated cone 13 is disposed at an end of the movable shaft 12 away from the first sleeve 11, and an outer wall of the circular truncated cone 13 is arc-shaped.

The utility model discloses a leading principle: the shaft sleeve 3 is arranged between the movable shaft 12 on the first sleeve 11 and the movable groove 22 on the second sleeve 21, so that the movable shaft 12 and the movable groove 22 can be prevented from being rubbed, the bearing capacity is large, the lateral direction is not loosened, the axial direction is not sunk when the door is used, the door is very stable, the service life is long, and the door is suitable for heavy doors with various structures; the self-lubricating composite material is coated on the inner side of the shaft sleeve, so that the heavy metal door and the heavy wooden door can be smoothly opened and detached without sagging, and the noise is reduced.

In addition, the self-lubricating composite material is a novel anti-extrusion solid lubricating material, and in the relative movement process of the two hinges, the self-lubricating composite material bears most of the coincidence in the friction process of the movable shaft 12 and the shaft sleeve 3; the self-lubricating composite material on the inner side of the shaft sleeve 3 forms a fixed transfer film which is good in lubrication, firmly attached and uniformly covered on a friction surface after friction, so that the friction and the abrasion are greatly reduced; along with the friction, the self-lubricating composite material coated on the inner side of the shaft sleeve 3 is continuously provided on the friction surface, so that good lubrication during long-term operation is ensured.

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

Claims

1. The utility model provides a prevent not hard up door and window hinge which characterized in that: the hinge comprises a first hinge piece (1), a second hinge piece (2) and a shaft sleeve (3), wherein a first sleeve (11) is arranged on one side of the first hinge piece (1), a second sleeve (21) is arranged on one side of the second hinge piece (2), a movable shaft (12) is arranged at the center of the bottom of the first sleeve (11), a movable groove (22) is formed in the center of the top of the second sleeve (21), the shaft sleeve (3) is inserted into the movable groove (22), the movable shaft (12) is rotatably installed in the shaft sleeve (3), and a self-lubricating composite material is coated on the inner side surface of the shaft sleeve (3).

2. The anti-loosening hinges for windows and doors according to claim 1, wherein: the first sleeve (11) is fixed on one side of the first hinge sheet (1) through welding, and the second sleeve (21) is fixed on one side of the second hinge sheet (2) through welding.

3. A loosening prevention hinge for windows and doors according to any one of claims 1 or 2, wherein: a plurality of mounting holes (100) are formed in the first hinge sheet (1) and the second hinge sheet (2).

4. The anti-loosening hinges for windows and doors according to claim 1, wherein: the shaft sleeve (3) comprises a hollow sleeve body (31) and a sleeve ring (32) fixed at the upper end of the sleeve body (31), the diameter of the sleeve ring (32) is larger than that of the sleeve body (31), and the diameter of the movable groove (22) is consistent with the outer diameter of the shaft sleeve (3).

5. The anti-loosening hinges for windows and doors according to claim 1, wherein: the movable shaft (12) is a cylindrical solid rod body.

6. The anti-loosening hinge for doors and windows according to any one of claims 1 or 5, wherein: the movable shaft (12) and the first sleeve (11) are of an integral structure.

7. The anti-loosening hinges for windows and doors according to claim 1, wherein: one end of the movable shaft (12) far away from the first sleeve (11) is provided with a circular truncated cone (13), and the outer wall of the circular truncated cone (13) is arc-shaped.