CN220539466U

CN220539466U - Mute hinge for door and window

Info

Publication number: CN220539466U
Application number: CN202322135784.6U
Authority: CN
Inventors: 王宁
Original assignee: Changzhi Yinhai Xinnuo Decoration Materials Co ltd
Current assignee: Changzhi Yinhai Xinnuo Decoration Materials Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-02-27
Anticipated expiration: 2033-08-09

Abstract

The utility model discloses a mute hinge for doors and windows, which relates to the technical field of door and window hinges and comprises a fixed page and a movable page, wherein a key slot is formed in the fixed page, a flange is fixedly connected to the movable page, counter sunk holes are formed in the fixed page and the movable page, a connecting shaft is connected to the inside of the fixed page in a sliding mode, an oil groove is formed in the connecting shaft, an oil conveying hole is formed in the connecting shaft, a connecting key is fixedly connected to the outer side of the connecting shaft, the connecting key is connected with the key slot in a sliding mode, and a sponge rod is connected to the inside of the connecting shaft in a sliding mode. According to the utility model, the fixed page and the connecting shaft are fixed through the connecting key in a sliding manner, the mute bearing is rotationally connected to the outer side of the connecting shaft, the fixed page is separated from the movable page by the mute bearing, so that the movable page is not contacted with the fixed page, and larger friction force is not generated when the door and window are opened or closed, thereby noise is produced, and the mute effect is realized.

Description

Mute hinge for door and window

Technical Field

The utility model relates to the technical field of door and window hinges, in particular to a mute hinge for doors and windows.

Background

The common hinge is widely used as a hinge part of a building door and window, and the common hinge is a traditional folding hinge which has a hinge function and has no buffer function of a door and window. When the door and window are closed, sometimes the door and window collide with the door and window frame by too much force or wind blowing to generate too loud collision sound or generate huge impact of the door and window and the door and window frame, and the service life of the door and window can be reduced. When the hinge is applied to a window, the hinge can freely rotate within a 270-degree range, and a positioning device is additionally needed during positioning (a mechanical or magnetic positioner is mostly used for a door, and a wind hook is mostly used for the window). Along with development of science and technology, people put forward higher requirements on details in life, certain friction sound can be generated when doors and windows are opened and closed, and after the doors and windows are used for a long time, hinge joints can rust, so that the friction sound is increased. Therefore, it is necessary to design a mute hinge for doors and windows.

Disclosure of Invention

The utility model provides a mute hinge for doors and windows, which solves the technical problem that larger noise is generated when the doors and windows are opened.

In order to solve the technical problems, the mute hinge for doors and windows provided by the utility model comprises a fixed page and a movable page, wherein the fixed page is provided with a key slot, the movable page is fixedly connected with a flange, the fixed page and the movable page are provided with countersunk holes, the inside of the fixed page is slidably connected with a connecting shaft, the connecting shaft is provided with an oil groove, the connecting shaft is provided with an oil conveying hole, the outer side of the connecting shaft is fixedly connected with a connecting key, the connecting key is slidably connected with the key slot, and the inside of the connecting shaft is slidably connected with a sponge rod.

Preferably, the connecting shaft is rotatably connected with the movable page, and the connecting shaft is rotatably connected with the flange, and supports the lower end of the movable page by arranging the flange.

Preferably, the number of the oil delivery holes is multiple, the oil delivery holes are uniformly distributed on the connecting shaft, and the oil delivery holes are arranged to enable the lubricating oil cloth to fully lubricate the connecting shaft and the movable page.

Preferably, the outside rotation of connecting axle is connected with silence bearing, silence bearing's lower extreme and fixed page contact, silence bearing's upper end and movable page contact, through setting up silence bearing, make movable page and fixed page contactless.

Preferably, the movable page is connected with a sealing cap in a sliding way, the sealing cap is rotationally connected with the oil groove, and the upper end of the movable page is sealed by arranging the sealing cap.

Preferably, the sealing cap is in contact with the sponge rod, the lower end of the fixing page is fixedly connected with a sealing cover, and lubricating oil in the sponge rod is extruded by arranging the sealing cap.

Compared with the related art, the mute hinge for doors and windows provided by the utility model has the following beneficial effects:

the utility model provides a mute hinge for doors and windows, which is characterized in that a connecting shaft is connected to a fixed page in a sliding manner, the fixed page and the connecting shaft are fixed through a connecting key, a mute bearing is rotationally connected to the outer side of the connecting shaft, the fixed page and a movable page are separated by the mute bearing, the movable page is not contacted with the fixed page, and thus, when the doors and windows are opened and closed, larger friction force is not generated, noise is produced, and thus, the mute effect is realized.

The utility model provides a mute hinge for doors and windows, which is characterized in that an oil groove is formed in a connecting shaft, a sponge rod is placed in the oil groove, an oil transmission hole is formed in the connecting shaft, a sealing cap is connected in the oil groove in a sliding mode, after the hinge is used for a certain time, lubricating oil can be added by opening the sealing cap, when the sealing cap is inserted, the sealing cap presses the sponge rod, and the lubricating oil is extruded into a gap between the connecting shaft and a movable page through the oil transmission hole, so that the hinge is sufficiently lubricated, friction is reduced, and the hinge is more practical.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a perspective rear view of the overall structure of the present utility model;

FIG. 3 is a perspective exploded view of the overall structure of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3;

fig. 5 is an enlarged view of fig. 3 at B in accordance with the present utility model.

Reference numerals in the drawings: 1. a fixed page; 11. a key slot; 12. a movable page; 13. a flange; 14. a countersunk hole; 3. a connecting shaft; 31. an oil groove; 32. an oil delivery hole; 33. a connecting key; 4. a mute bearing; 5. a sponge rod; 6. a sealing cap; 7. sealing cover.

Detailed Description

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a mute hinge for doors and windows comprises a fixed page 1 and a movable page 12, wherein a key slot 11 is formed in the fixed page 1, a flange 13 is fixedly connected to the movable page 12, counter sunk holes 14 are formed in the fixed page 1 and the movable page 12, a connecting shaft 3 is slidingly connected to the inside of the fixed page 1, an oil groove 31 is formed in the connecting shaft 3, an oil conveying hole 32 is formed in the connecting shaft 3, a connecting key 33 is fixedly connected to the outer side of the connecting shaft 3, the connecting key 33 is slidingly connected with the key slot 11, and a sponge rod 5 is slidingly connected to the inside of the connecting shaft 3.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the connecting shaft 3 is rotatably connected with the movable page 12, the connecting shaft 3 is rotatably connected with the flange 13, the flange 13 is arranged to support the lower end of the movable page 12, the oil delivery holes 32 are multiple, the oil delivery holes 32 are uniformly distributed on the connecting shaft 3, the connecting shaft 3 and the movable page 12 are fully lubricated by the lubricating oil cloth through the oil delivery holes 32, the mute bearing 4 is rotatably connected to the outer side of the connecting shaft 3, the lower end of the mute bearing 4 is contacted with the fixed page 1, the upper end of the mute bearing 4 is contacted with the movable page 12, the movable page 12 is not contacted with the fixed page 1 through the mute bearing 4, the seal cap 6 is slidably connected on the movable page 12, the seal cap 6 is rotatably connected with the oil groove 31, the upper end of the movable page 12 is sealed through the seal cap 6, the seal cap 6 is contacted with the sponge rod 5, the seal cap 7 is fixedly connected to the lower end of the fixed page 1, and the lubricating oil in the sponge rod 5 is extruded through the seal cap 6.

Working principle: during installation, the fixed page 1 is fixed on a door and window frame through the counter bore 14, the connecting key 33 on the connecting shaft 3 is aligned with the key groove 11, the connecting shaft 3 is inserted into the fixed page 1 to be fixed, the mute bearing 4 is sleeved on the outer side of the connecting shaft 3, the lower end of the mute bearing 4 is contacted with the fixed page 1, the upper end of the mute bearing 4 is contacted with the movable page 12, the flange 13 at the lower end of the movable page 12 is inserted into the connecting shaft 3 to support the lower end of the movable page 12, the mute bearing 4 separates the fixed page 1 from the movable page 12, the fixed page 1 is not contacted with the movable page 12, and large friction force is not generated when the door and window is opened or closed, noise is manufactured, and therefore the mute effect is achieved.

After the hinge is used for a certain time, the sealing cap 6 can be opened to add lubricating oil, the lubricating oil is dripped into the oil groove 31, when the sealing cap 6 is inserted after the sponge rod 5 fully absorbs the lubricating oil, the sealing cap 6 presses the sponge rod 5, and the lubricating oil is squeezed into the gap between the connecting shaft 3 and the movable page 12 through the oil conveying hole 32 to fully lubricate, so that friction is reduced, and the hinge is more practical.

Claims

1. The utility model provides a mute hinge for door and window, includes fixed page (1) and fly leaf (12), its characterized in that, set up keyway (11) on fixed page (1), fixedly connected with flange (13) on fly leaf (12), counter sunk hole (14) have all been seted up on fixed page (1) and fly leaf (12), the inside sliding connection of fixed page (1) has connecting axle (3), oil groove (31) have been seted up on connecting axle (3), oil hole (32) have been seted up on connecting axle (3), the outside fixedly connected with connecting key (33) of connecting axle (3), connecting key (33) and keyway (11) sliding connection, the inside sliding connection of connecting axle (3) has sponge stick (5).

2. The mute hinge for doors and windows according to claim 1, characterized in that said connecting shaft (3) is rotatably connected to the movable leaf (12), said connecting shaft (3) being rotatably connected to the flange (13).

3. The mute hinge for doors and windows according to claim 1, wherein the number of the oil delivery holes (32) is plural, and the plurality of the oil delivery holes (32) are uniformly distributed on the connecting shaft (3).

4. The mute hinge for doors and windows according to claim 1, wherein the outer side of the connecting shaft (3) is rotatably connected with a mute bearing (4), the lower end of the mute bearing (4) is in contact with the fixed page (1), and the upper end of the mute bearing (4) is in contact with the movable page (12).

5. The mute hinge for doors and windows according to claim 1, wherein the movable hinge (12) is slidably connected with a sealing cap (6), and the sealing cap (6) is rotatably connected with the oil groove (31).

6. The mute hinge for doors and windows according to claim 5, wherein the sealing cap (6) is in contact with the sponge rod (5), and the lower end of the fixing page (1) is fixedly connected with the sealing cover (7).