CN217269548U

CN217269548U - Heavy hinge

Info

Publication number: CN217269548U
Application number: CN202220109939.1U
Authority: CN
Inventors: 齐祥春
Original assignee: Foshan Baianbao Intelligent Hardware Technology Co ltd
Current assignee: Foshan Baianbao Intelligent Hardware Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-08-23
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a heavy hinge belongs to the hinge field, a heavy hinge, including the extension board, the top of extension board is rotated and is connected with first link rod, the extension board is kept away from one of first link rod is served and is installed the fixed plate, it is connected with the forearm to rotate on the fixed plate, one side at forearm top is rotated and is connected with the second link rod, first link rod is kept away from the one end of extension board with the rotation of second link rod is connected, it is connected with the third link rod still to rotate on the first link rod, be provided with on the extension board with the sliding assembly that the extension board cooperation was used, sliding assembly includes sliding plate, installation piece and fixed block, the sliding plate is located the top of extension board. The hinge can be opened and closed at an angle larger than ninety degrees, is more convenient to use, has higher support stability as a whole, and can limit the opening and closing angle of the hinge to be too large, so that the condition of inconvenient pull-back is prevented.

Description

Heavy hinge

Technical Field

The utility model relates to a hinge field, more specifically say, relate to a heavy hinge.

Background

The heavy hinge of casement is the part that is used for the casement to fix a position on the window frame, can make the casement overturn on the window frame, also need provide the support effect for the casement, and the angle of opening and shutting of current heavy hinge is generally controlled below ninety degrees, because the current heavy hinge once will open and shut and exceed ninety degrees self bearing support nature and will descend, just the easy pause of crossing when pulling back and restoring, the unable normal motion of structure, this application scope that has just reduced heavy hinge.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a heavy hinge, it can realize that the hinge has the angle of opening and shutting that is greater than ninety degrees, and is more convenient during the use, and wholly has higher support stability, still can restrict the hinge angle of opening and shutting and too big, prevents that the inconvenient circumstances of pullback from appearing.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The heavy hinge comprises a support plate, wherein the top of the support plate is rotatably connected with a first link rod, one end of the support plate, which is far away from the first link rod, is provided with a fixed plate, the fixed plate is rotatably connected with a short arm, one side of the top of the short arm is rotatably connected with a second link rod, one end of the first link rod, which is far away from the support plate, is rotatably connected with the second link rod, the first link rod is further rotatably connected with a third link rod, and the support plate is provided with a sliding assembly which is matched with the support plate for use.

Furthermore, the sliding assembly comprises a sliding plate, an installation block and a fixed block, the sliding plate is located at the top of the support plate, the installation block is fixedly installed on one side of the sliding plate, the fixed block is arranged at the bottom of the support plate, the installation block and the fixed block are fixed through a bolt, a movable groove matched with the bolt for use is formed in the support plate, and one end of the third link rod is located above the sliding plate and is rotatably connected with the fixed block through a pin shaft.

Further, a pin is installed between the fixing plate and the support plate, and a protruding part at the upper end of the pin is located on one side of the short arm.

Further, the width of the movable groove is the same as the diameter of the middle end part of the bolt.

Further, the short arm can rotate around the fixing plate connecting shaft by more than ninety degrees.

Furthermore, the third link rod and the connecting shaft of the fixed block are inserted in the movable groove and are positioned at the limit position of one end of the movable groove.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

this scheme is when having guaranteed the whole bearing capacity of hinge and stability, realizes the bigger angle that opens and shuts of hinge through setting up short arm and sliding assembly, and can restrict the biggest angle that opens and shuts of hinge, avoids the user to open the condition appearance that the casement angle is too big not convenient for pull-back.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a schematic structural view of the sliding assembly of the present invention;

fig. 3 is a front view of the present invention.

The numbering in the figures illustrates:

1. a support plate; 2. a first link; 3. a fixing plate; 4. a short arm; 5. a second link; 6. a third link; 7. a sliding plate; 8. mounting a block; 9. a fixed block; 10. a bolt; 11. a movable groove; 12. A pin.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example 1:

referring to fig. 1-3, a heavy hinge includes a supporting plate 1, a first link 2 is rotatably connected to the top of the supporting plate 1, a fixing plate 3 is installed at one end of the supporting plate 1 far away from the first link 2, a short arm 4 is rotatably connected to the fixing plate 3, a second link 5 is rotatably connected to one side of the top of the short arm 4, one end of the first link 2 far away from the supporting plate 1 is rotatably connected to the second link 5, a third link 6 is further rotatably connected to the first link 2, a sliding assembly used in cooperation with the supporting plate 1 is arranged on the supporting plate 1, the second link 5 is fixed to a window sash when the hinge is installed, the opening and closing angle of the second link 5 can be larger through the cooperation of the sliding assembly and the short arm 4, the stable firmness of the whole structure is higher, and the hinge provided by the present scheme can be simultaneously suitable for a C-shaped groove and a K-shaped groove profile.

Referring to fig. 2 and 3, the sliding assembly includes a sliding plate 7, an installation block 8 and a fixed block 9, the sliding plate 7 is located at the top of the support plate 1, the installation block 8 is fixedly installed at one side of the sliding plate 7, the fixed block 9 is arranged at the bottom of the support plate 1, the installation block 8 and the fixed block 9 are fixed through a bolt 10, a movable groove 11 matched with the bolt 10 for use is formed in the support plate 1, one end of the third link 6 is located above the sliding plate 7 and is rotatably connected with the fixed block 9 through a pin shaft, when the first link 2 and the third link 6 are overturned, the sliding assembly can provide a moving space for the second link 5, the position is changed along with the overturning of the third link 6, and a supporting effect is provided.

Referring to fig. 1, a pin 12 is installed between the fixing plate 3 and the support plate 1, and a protruding portion of an upper end of the pin 12 is located at one side of the short arm 4, and the pin 12 is provided to limit a rotation angle of the short arm 4, so as to prevent a user from opening the window sash at an excessively large angle, which is inconvenient to close the window sash.

Referring to fig. 2, the width of the movable slot 11 is the same as the diameter of the middle end portion of the bolt 10, so that the bolt 10 can be prevented from shifting and shaking when sliding in the movable slot 11, and the sliding assembly can move more stably.

Referring to fig. 1, the rotation angle of the short arm 4 around the connecting shaft of the fixed plate 3 is more than ninety degrees, and the rotation angle of the second link 5 can be more than ninety degrees through the short arm 4, so that the opening angle of the window sash is higher and the selectivity is wider.

Referring to fig. 1 and 3, the connecting shaft of the third link 6 and the fixed block 9 is inserted into the movable slot 11 and is located at the limit position of one end of the movable slot 11, so that when the pin 12 limits the rotation of the short arm 4, the movable slot 11 can also limit the rotation angle of the second link 5 through the connecting shaft of the third link 6 and the fixed block 9, thereby improving the limiting effect and the limiting firmness, and preventing the pin 12 from being broken due to the over-exertion of force by a user.

The working principle is as follows: when the window sash is closed, the window sash can drive the second link 5 to rotate, the second link 5 drives the short arm 4 to rotate anticlockwise around the connecting shaft of the second link 5 and the support plate 1, the second link 5 is closed by a certain angle through changing the position of the connecting shaft of the second link 5 and the short arm 4, the second link 5 can drive the first link 2 to rotate anticlockwise around the connecting shaft of the support plate 1 and merge with the support plate 1 when rotating, the first link 2 can drive the fixing block 9 and the sliding block to slide to one side through the third link 6 when rotating, so that the third link 6, the support plate 1 and the first link 2 are closed, and the second link 5 also rotates clockwise and is closed with the support plate 1 at the moment, so that the window sash is closed.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.

Claims

1. A heavy hinge comprising a plate (1), characterized in that: the top of the support plate (1) is rotatably connected with a first link rod (2), one end, far away from the first link rod (2), of the support plate (1) is provided with a fixed plate (3), the fixed plate (3) is rotatably connected with a short arm (4), one side of the top of the short arm (4) is rotatably connected with a second link rod (5), one end, far away from the support plate (1), of the first link rod (2) is rotatably connected with the second link rod (5), the first link rod (2) is further rotatably connected with a third link rod (6), the support plate (1) is provided with a sliding assembly matched with the support plate (1) for use, the sliding assembly comprises a sliding plate (7), an installation block (8) and a fixed block (9), the sliding plate (7) is positioned at the top of the support plate (1), and the installation block (8) is fixedly installed on one side of the sliding plate (7), the fixing block (9) is arranged at the bottom of the support plate (1), the mounting block (8) is fixed to the fixing block (9) through a bolt (10), a movable groove (11) matched with the bolt (10) in use is formed in the support plate (1), and one end of the third link rod (6) is located above the sliding plate (7) and is rotationally connected with the fixing block (9) through a pin shaft.

2. A heavy duty hinge according to claim 1, wherein: a pin (12) is installed between the fixing plate (3) and the support plate (1), and a protruding part of the upper end of the pin (12) is located on one side of the short arm (4).

3. A heavy duty hinge according to claim 2, wherein: the width of the movable groove (11) is the same as the diameter of the middle end part of the bolt (10).

4. A heavy duty hinge according to claim 1, wherein: the short arm (4) can rotate around the connecting shaft of the fixing plate (3) by more than ninety degrees.

5. A heavy duty hinge according to claim 1, wherein: and the connecting shaft of the third connecting rod (6) and the fixed block (9) is inserted in the movable groove (11) and is positioned at the limit position of one end of the movable groove (11).