Air support and automatic door closing hinge

Abstract

The utility model discloses an air support and an automatic door closing hinge, and belongs to the technical field of hinge devices. The air support comprises a shell, an air inlet and an air outlet, the axis is fixedly connected to the shell; the driving part is fixedly connected in the shell; the rotating sleeve is rotationally connected to the axis; the driving end of the driving part is connected with the rotating sleeve; the rotary sleeve is driven by the air support to rotate, so that the movable part can be driven to rotate slowly, the whole hinge can be driven to be closed slowly, on one hand, the problem that door closing is too loud due to the fact that the hinge is closed too fast can be solved, and on the other hand, the rotary sleeve is driven by the air support to rotate. The problem that in the prior art, hydraulic drive is high in cost is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of hinge devices, in particular to a gas support and automatic door closing hinge. Background Art

[0002] Currently, conventional hinges are widely used as hinges for building doors and windows. Existing doors and windows primarily open and close using two methods. The first utilizes traditional folding hinges. However, these hinges only function as hinges, requiring users to forcefully push one side of the door toward the doorframe when closing it. This can result in excessive force, causing loud clashing noises and significant impacts between the door and the frame, shortening the door's lifespan. The second method utilizes a combination of conventional hinges, door catches, and door closers, a method that is widely used in the building hardware industry. First, a door catch is installed at a specific location on the floor or wall. When the door is opened, it is secured by the catch when it reaches a specific angle (usually 90°). A door closer is then installed at the top of the doorframe, allowing the door to automatically close within this specific angle. This combination is complex to install, requires a large amount of space, and requires a large amount of material. Furthermore, the door closer has a short lifespan, requires a large amount of force to open the door, and can leak oil, making it a less user-friendly design.

[0003] The hydraulic hinge, disclosed on June 15, 2016, with publication number CN205314750U, comprises a fixed door frame hinge and a rotating hinge. The fixed door frame hinge is fixed to the door frame, while the rotating hinge is fixed to the door. The fixed door frame hinge and the rotating hinge each have a lower accommodating barrel and an upper accommodating barrel, separated by a plane bearing. The top of the upper accommodating barrel is sealed by an upper end cap, which has multiple columns. The upper accommodating barrel has a core shaft and a coupling sleeve inside. The core shaft has multiple arc-shaped holes, through which the columns pass. The upper end cap and the core shaft are connected together by a first speed regulating screw, and the upper accommodating barrel and the core shaft are fixed by a fixing pin. The hydraulic hinge of this utility model uses hydraulic pressure to provide damping, allowing the door to close and open slowly without making loud noises. Internal positioning pins also provide positioning when the door is opened.

[0004] However, hydraulic hinges still have certain deficiencies during use. After a period of time, hydraulic hinges are prone to oil leakage, which affects the use effect. At the same time, the overall manufacturing cost of hydraulic hinges is relatively high. Utility Model Content

[0005] The purpose of the present invention is to solve the problems raised in the above background technology and to propose a gas support and automatic door closing hinge.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] Gas struts, including:

[0008] shell;

[0009] An axis, fixedly connected to the housing;

[0010] A driving part, fixedly connected to the housing;

[0011] A rotating sleeve, rotatably connected to the axis;

[0012] The driving end of the driving part is connected to the rotating sleeve.

[0013] Preferably, a slideway is provided on the rotating sleeve, a driving rod is connected to the driving portion, a connecting buckle is fixedly connected to the driving rod, a sliding rod is fixedly connected to the connecting buckle, and the sliding rod matches the slideway;

[0014] The driving part drives the driving rod, the connecting buckle and the sliding rod to extend, and the sliding rod slides and squeezes in the slideway to push the rotating sleeve to rotate.

[0015] Furthermore, a limiting groove is provided on the axis, and the sliding rod matches the limiting groove.

[0016] The automatic door closing hinge comprises the gas strut, a fixed portion and a movable portion, wherein the movable portion is fixedly connected to the rotating sleeve.

[0017] Furthermore, two groups of tail plugs are fixedly connected to the fixing portion, one group of tail plugs is fixedly connected to the driving portion, and the other group of tail plugs is fixedly connected to the axis.

[0018] Furthermore, a bearing is connected to the movable part, and the bearing is connected to the fixed part.

[0019] Furthermore, a decorative cover is connected to the fixing portion.

[0020] Compared with the prior art, the present invention provides a gas support and automatic door closing hinge, which has the following beneficial effects:

[0021] The parts not involved in this device are the same as the existing technology or can be implemented by using the existing technology. The utility model uses the gas support to drive the rotating sleeve to rotate, which can drive the movable part to rotate slowly, and then drive the hinge to close slowly as a whole. On the one hand, it can reduce the problem that the hinge may close too quickly and make too much noise when closing. On the other hand, by using the gas support to drive the rotating sleeve to rotate, the problem of high hydraulic drive cost in the existing technology is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the gas support proposed in the utility model;

[0023] Figure 2This is an exploded view of the gas strut proposed in the present utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the automatic door closing hinge proposed by the utility model;

[0025] Figure 4 This is a cross-sectional view of the automatic door closing hinge proposed by the present invention.

[0026] In the figure: 1. Fixed part; 2. Movable part; 3. Driving part; 301. Driving rod; 3011. Connecting buckle; 3012. Sliding rod; 4. Tail plug; 5. Decorative cover; 6. Bearing; 7. Axis; 701. Limiting groove; 8. Housing; 9. Rotating sleeve; 901. Slideway. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] Example 1:

[0029] Reference Figure 1-Figure 2 , gas support, including:

[0030] Housing 8;

[0031] The shaft 7 is fixedly connected to the housing 8;

[0032] The driving part 3 is fixedly connected to the housing 8;

[0033] The rotating sleeve 9 is rotatably connected to the shaft 7;

[0034] The driving end of the driving part 3 is connected to the rotating sleeve 9.

[0035] It should be noted that the driving part 3 is a commercially available gas strut, and the driving source of the gas strut is helium.

[0036] The rotating sleeve 9 is provided with a slideway 901, the driving part 3 is connected to the driving rod 301, the driving rod 301 is fixedly connected to the connecting buckle 3011, the connecting buckle 3011 is fixedly connected to the sliding rod 3012, and the sliding rod 3012 matches the slideway 901;

[0037] The driving part 3 drives the driving rod 301 , the connecting buckle 3011 and the sliding rod 3012 to extend, and the sliding rod 3012 slides and squeezes in the slideway 901 to push the rotating sleeve 9 to rotate.

[0038] A limiting groove 701 is provided on the axis 7 , and the sliding rod 3012 matches the limiting groove 701 .

[0039] Reference Figure 3-Figure 4The automatic door closing hinge includes a gas support, a fixed portion 1 and a movable portion 2, and the movable portion 2 and the rotating sleeve 9 are fixedly connected.

[0040] Two groups of tail plugs 4 are fixedly connected to the fixing portion 1 , one group of tail plugs 4 is fixedly connected to the driving portion 3 , and the other group of tail plugs 4 is fixedly connected to the shaft 7 .

[0041] The movable part 2 is connected to a bearing 6 , and the bearing 6 is connected to the fixed part 1 .

[0042] The fixing portion 1 is connected to a decorative cover 5 .

[0043] Reference Figure 3 By providing a decorative cover 5 on the fixing portion 1, the overall aesthetics of the hinge is improved.

[0044] Reference Figures 1-4 During use, when opening, the rotation of the movable part 2 will drive the rotating sleeve 9 to rotate, and the rotation of the rotating sleeve 9 will squeeze the sliding rod 3012 in the slide 901 to slide down. The sliding of the sliding rod 3012 will simultaneously push the connecting buckle 3011 and the driving rod 301 to slide down. When the movable part 2 rotates a certain angle, the hinge is opened as a whole;

[0045] When closing, release the force applied to the movable part 2. At this time, the driving part 3 will push the driving rod 301 to slide up. The sliding of the driving rod 301 will synchronously push the connecting buckle 3011 and the sliding rod 3012 to slide up. The sliding of the sliding rod 3012 will slide in the slideway 901 and squeeze the rotating sleeve 9 to rotate and reset. The rotation and reset of the rotating sleeve 9 will drive the movable part 2 to rotate and reset. When the movable part 2 is reset and rotated to a certain angle, the hinge is closed as a whole.

[0046] The utility model utilizes a gas support to drive the rotating sleeve 9 to rotate, which can drive the movable part 2 to rotate slowly, and then drive the hinge as a whole to close slowly. On the one hand, it can reduce the problem that the hinge may close too quickly and make too loud a sound. On the other hand, by using a gas support to drive the rotating sleeve 9 to rotate, the problem of high hydraulic drive cost in the prior art is solved.

[0047] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. Gas strut, characterized in that: include: housing (8); A shaft (7) is fixedly connected to the housing (8); A driving unit (3) is fixedly connected to the housing (8); A rotating sleeve (9) is rotatably connected to the shaft (7); The driving end of the driving portion (3) is connected to the rotating sleeve (9).

2. The gas strut according to claim 1, characterized in that: The rotating sleeve (9) is provided with a slideway (901), the driving portion (3) is connected to a driving rod (301), the driving rod (301) is fixedly connected to a connecting buckle (3011), the connecting buckle (3011) is fixedly connected to a sliding rod (3012), and the sliding rod (3012) matches the slideway (901); The driving portion (3) drives the driving rod (301), the connecting buckle (3011) and the sliding rod (3012) to extend, and the sliding rod (3012) slides and squeezes in the slideway (901) to push the rotating sleeve (9) to rotate.

3. The gas strut according to claim 2, characterized in that: A limiting groove (701) is provided on the axis (7), and the sliding rod (3012) matches the limiting groove (701).

4. An automatic door closing hinge comprising the gas strut according to claim 3, characterized in that: It also comprises a fixed part (1) and a movable part (2), wherein the movable part (2) and the rotating sleeve (9) are fixedly connected.

5. The automatic door closing hinge according to claim 4, characterized in that: Two groups of tail plugs (4) are fixedly connected in the fixing portion (1), one group of tail plugs (4) is fixedly connected to the driving portion (3), and the other group of tail plugs (4) is fixedly connected to the axis (7).

6. The automatic door closing hinge according to claim 5, characterized in that: A bearing (6) is connected to the movable part (2), and the bearing (6) is connected to the fixed part (1).

7. The automatic door closing hinge according to claim 5, characterized in that: A decorative cover (5) is connected to the fixing portion (1).

Images