Double-shaft buffering hinge

Abstract

The utility model discloses a double-shaft buffering hinge, and belongs to the technical field of buffering hinges. A double-shaft buffer hinge comprises a fixed swing leaf, a hinge body and a hinge body. The movable swing leaf is rotationally connected to the fixed swing leaf; the rotating sleeve is fixedly connected to the movable swing leaf; the cam is fixedly connected to the fixed swing leaf; the hydraulic oil cylinder is fixedly connected in the cam; the first positioning pin is fixedly connected to the driving end of the hydraulic oil cylinder; the first positioning pin is matched with a limiting sliding groove in the cam. The hydraulic oil cylinder and the compression spring which are arranged in the device are matched for use, so that the first positioning pin and the second positioning pin can synchronously move on the cam, the stroke of the hydraulic oil cylinder can be effectively increased, and the buffering effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to buffer hinge technical field especially relates to a double -shaft buffer hinge. BACKGROUND

[0002] At present, ordinary hinge is widely used as the hinging piece of building door and window, the existing door and window mainly use traditional folding hinge, but this hinge only has the hinging effect, and the user usually needs to push one side of the door to move to the door frame when closing the door, which can easily cause the door and the door frame to collide with each other, resulting in a large impact sound or a large impact between the door and the door frame, which can reduce the service life of the door, and there are hydraulic buffer hinges on the market.

[0003] But the hydraulic buffer hinge in the prior art generally uses hydraulic oil cylinder and rotating sleeve in cooperation, but due to the small size of the hinge, the stroke of the small size hydraulic oil cylinder is limited, and the buffering effect can be further improved. UTILITY MODEL CONTENT

[0004] The utility model discloses a double -shaft buffer hinge to solve the problems in the background art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A double -shaft buffer hinge, comprising:

[0007] Fixed swing page;

[0008] Movable swing page, rotationally connected on the fixed swing page;

[0009] Rotating sleeve, fixedly connected on the movable swing page;

[0010] Cam, fixedly connected on the fixed swing page;

[0011] Hydraulic oil cylinder, fixedly connected in the cam;

[0012] First positioning pin, fixedly connected on the driving end of the hydraulic oil cylinder;

[0013] The first positioning pin is matched with the limiting sliding slot on the cam.

[0014] Preferably, the fixed swing page is fixedly connected with a spring sleeve, the spring sleeve is fixedly connected with a compression spring, the compression spring is fixedly connected with a second positioning pin, and the second positioning pin is matched with the limiting sliding slot on the cam.

[0015] Further, the rotating sleeve is provided with a limiting slot, and the first positioning pin and the second positioning pin are slidably connected in the limiting slot.

[0016] Preferably, the fixed swing page is fixedly connected with a first connecting sleeve, and the two groups of first connecting sleeves are symmetrically arranged.

[0017] Further, the movable swing page is fixedly connected with a second connecting sleeve, and the second connecting sleeve is symmetrically connected with bearings, and the bearings are rotationally connected with the first connecting sleeve.

[0018] Compared with the prior art, the double-shaft buffer hinge has the following beneficial effects:

[0019] The parts not involved in the device are the same as or can be realized by the prior art, and the hydraulic oil cylinder in the device can effectively buffer the force when the door is closed, thereby driving the movable swing page to slowly rotate, thereby driving the hinge to slowly close as a whole, reducing the problem that the force is too large when the door is closed and noise is easily generated, and improving the safety of the hinge when closing.

[0020] The hydraulic oil cylinder and the compression spring in the device are used in cooperation, thereby enabling the first positioning pin and the second positioning pin to move on the cam synchronously, thereby effectively improving the stroke of the hydraulic oil cylinder, and further improving the buffering effect. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The structure of the double-shaft buffer hinge is shown in the figure Figure 1 ;

[0022] Figure 2 The cross-sectional view of the double-shaft buffer hinge is shown in the figure

[0023] Figure 3 The exploded view of the double-shaft buffer hinge is shown in the figure.

[0024] In the figure: 1, fixed swing page; 101, first connecting sleeve; 102, decorative cover; 2, movable swing page; 201, second connecting sleeve; 3, hydraulic oil cylinder; 301, first positioning pin; 4, compression spring; 401, second positioning pin; 5, tail plug; 6, rotating sleeve; 7, cam; 8, spring sleeve; 9, bearing. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0026] Embodiment:

[0027] Reference Figures 1-3A double-shaft buffer hinge comprises:

[0028] A fixed swing leaf 1;

[0029] A movable swing leaf 2 is rotationally connected to the fixed swing leaf 1;

[0030] A rotating sleeve 6 is fixedly connected to the movable swing leaf 2;

[0031] A cam 7 is fixedly connected to the fixed swing leaf 1;

[0032] A hydraulic cylinder 3 is fixedly connected in the cam 7;

[0033] A first positioning pin 301 is fixedly connected to a driving end of the hydraulic cylinder 3;

[0034] The first positioning pin 301 is matched with a limiting sliding groove on the cam 7.

[0035] A spring sleeve 8 is fixedly connected in the fixed swing leaf 1, a compression spring 4 is fixedly connected in the spring sleeve 8, a second positioning pin 401 is fixedly connected to the compression spring 4, and the second positioning pin 401 is matched with the limiting sliding groove on the cam 7.

[0036] The rotating sleeve 6 is provided with a limiting groove, and the first positioning pin 301 and the second positioning pin 401 are both slidingly connected in the limiting groove.

[0037] Referring to Figure 2 , Figure 3 When the buffer hinge is opened, a worker rotates the movable swing leaf 2, the movable swing leaf 2 drives the second connecting sleeve 201 to rotate, the second connecting sleeve 201 drives the rotating sleeve 6 to rotate, the rotating sleeve 6 drives the first positioning pin 301 and the second positioning pin 401 to synchronously rotate, at this time, the first positioning pin 301 and the second positioning pin 401 slide upward in the limiting sliding groove on the cam 7, and at this time, the driving end of the hydraulic cylinder 3 synchronously extends.

[0038] Referring to Figure 2 , Figure 3 When the buffer hinge is closed, the worker reversely rotates the movable swing leaf 2, the movable swing leaf 2 reversely drives the second connecting sleeve 201 to rotate, the second connecting sleeve 201 drives the rotating sleeve 6 to synchronously rotate, at this time, the first positioning pin 301 and the second positioning pin 401 synchronously slide downward in the limiting sliding groove of the cam 7, at this time, the hydraulic cylinder 3 can play a buffering effect, thereby realizing the effect of slowly closing the hinge.

[0039] The hydraulic cylinder 3 in the device can effectively buffer the force when the door is closed, thereby driving the movable swing leaf 2 to slowly rotate, thereby driving the hinge to slowly close as a whole, reducing the problem that the force is too large when the door is closed and noise is easily generated, and improving the safety when the hinge is closed.

[0040] Need to explain, through the device set by the hydraulic cylinder 3 and compression spring 4 cooperation, and then can make the first positioning pin 301 and the second positioning pin 401 on the cam 7 move in synchronization, and then can effectively improve the stroke of hydraulic cylinder 3, and further improve the buffering effect.

[0041] Referring to Figure 1 , need to further explain, this buffer hinge can be opened 175 degrees, and randomly stop between 90 degrees-175 degrees, when 85 degrees-0 degrees, can buffer close.

[0042] The first connecting sleeve 101 is fixedly connected to the fixed swing hinge 1, and the two groups of first connecting sleeves 101 are symmetrically arranged. The decorative cover 102 is fixedly connected to the first connecting sleeve 101.

[0043] The tail plug 5 is fixedly connected in the first connecting sleeve 101. The tail plug 5 in the upper end of the first connecting sleeve 101 is fixedly connected with the compression spring 4, and the tail plug 5 in the lower end of the first connecting sleeve 101 is fixedly connected with the hydraulic cylinder 3.

[0044] Referring to Figure 3 , the first connecting sleeve 101 is provided with a track groove, and the cam 7 and the spring sleeve 8 are provided with installation limiting surfaces matched with the track groove;

[0045] The installation limiting surfaces on the cam 7 and the spring sleeve 8 are matched with the track groove in the first connecting sleeve 101, so that the problem of easy slippage and idling between the cam 7, the spring sleeve 8 and the first connecting sleeve 101 when the hinge is opened and closed is reduced, and the stability of the hinge when being opened and closed is improved.

[0046] The second connecting sleeve 201 is fixedly connected to the movable swing hinge 2, and the bearing 9 is symmetrically connected to the second connecting sleeve 201. The bearing 9 is rotatably connected to the first connecting sleeve 101.

[0047] Referring to Figure 3 , the second connecting sleeve 201 is provided with a track groove, and the rotating sleeve 6 is provided with an installation limiting surface matched with the track groove;

[0048] The installation limiting surface on the rotating sleeve 6 is matched with the track groove, so that after installation, the problem of easy slippage and idling between the rotating sleeve 6 and the second connecting sleeve 201 when the hinge is opened and closed is reduced, and the stability of the hinge when being opened and closed is further improved.

[0049] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A biaxial buffer hinge, characterized in that: include: Fixed swing page (1); A movable swing leaf (2) is rotatably connected to the fixed swing leaf (1); A rotating sleeve (6) is fixedly connected to the movable swing leaf (2); A cam (7) is fixedly connected to the fixed swing leaf (1); A hydraulic cylinder (3) is fixedly connected to the cam (7); A first positioning pin (301) is fixedly connected to the driving end of the hydraulic cylinder (3); The first positioning pin (301) matches the limiting sliding groove on the cam (7).

2. A double-axis buffer hinge according to claim 1, characterized in that: A spring sleeve (8) is fixedly connected to the fixed swing leaf (1), a compression spring (4) is fixedly connected to the spring sleeve (8), a second positioning pin (401) is fixedly connected to the compression spring (4), and the second positioning pin (401) matches the limiting sliding groove on the cam (7).

3. The double-axis buffer hinge according to claim 2, characterized in that: A limiting groove is provided on the rotating sleeve (6), and the first positioning pin (301) and the second positioning pin (401) are both slidably connected in the limiting groove.

4. The double-axis buffer hinge according to claim 1, characterized in that: A first connecting sleeve (101) is fixedly connected to the fixed swing leaf (1), two groups of the first connecting sleeves (101) are symmetrically arranged, and a decorative cover (102) is fixedly connected to the first connecting sleeve (101).

5. The double-axis buffer hinge according to claim 4, characterized in that: A second connecting sleeve (201) is fixedly connected to the movable swing leaf (2), a bearing (9) is symmetrically connected to the second connecting sleeve (201), and the bearing (9) is rotatably connected to the first connecting sleeve (101).

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