CN219910431U

CN219910431U - Hinge with buffer

Info

Publication number: CN219910431U
Application number: CN202321629631.0U
Authority: CN
Inventors: 王小宝
Original assignee: Zhejiang Zide Technology Co ltd
Current assignee: Zhejiang Zide Technology Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-10-27
Anticipated expiration: 2033-06-25

Abstract

The utility model discloses a hinge with buffer, which has the technical scheme that the hinge comprises a pair of fixing frames respectively arranged in a door leaf and a door frame, and a crank arm assembly connected with the fixing frames, wherein a buffer mechanism is arranged on the fixing frames and comprises a damper and a return spring, one end of the damper is provided with a butt plate, the crank arm assembly is provided with a groove, the butt plate is matched with the groove, and two ends of the return spring are respectively abutted on the damper and the butt plate; when the door leaf is closed, the abutting plate is clamped into the groove, and when the door leaf is opened, the abutting plate is separated from the groove. The buffer mechanism is hidden inside, so that the appearance is more attractive, the structure is simple, and the production and the assembly are convenient; meanwhile, the buffer mechanism does not influence the opening of the cabinet door, and the cabinet door is more flexible to open.

Description

Hinge with buffer

Technical Field

The utility model relates to the technical field of hinges, in particular to a hinge with a buffer.

Background

The hinge is also called a hinge, and the formal name is a hinge. The hinge is mainly arranged on household appliances such as doors and windows, cabinets, refrigerators and the like; the novel cabinet door is characterized in that a buffer function is brought when the cabinet door is closed, noise generated by collision with the cabinet body when the cabinet door is closed is reduced to the greatest extent, and the protection door page and the door frame are not easy to be damaged by collision.

At present, although the existing hydraulic hinge has a hydraulic buffering function, a hydraulic part is designed in a shaft, the hinge shaft is thicker, the attractive performance is poor, and the structure is complex, so that the difficulty in production and assembly is high. Meanwhile, the existing hydraulic buffer hinge is provided with a hydraulic buffer, in general, a piston cavity is formed in the hydraulic buffer, a piston plate is arranged in the piston cavity, a throttle small hole is formed in the piston plate, a buffer function is achieved through resistance when hydraulic oil flows through the small hole, the mode can play a role in buffering when a cabinet door is closed, but the opening speed of the cabinet door can be influenced when the cabinet door is opened, and the cabinet door can be opened inflexibly. Therefore, the utility model provides a hinge with a novel structure to solve the problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides the hinge with the buffer, which is characterized in that the buffer mechanism is hidden inside, the appearance is more attractive, the structure is simple, and the production and the assembly are convenient; meanwhile, the buffer mechanism does not influence the opening of the cabinet door, and the cabinet door is more flexible to open.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take hinge of buffering, includes a pair of mount that sets up respectively in door leaf and door frame to and connect the turning arm subassembly of mount, its characterized in that: the damping device comprises a fixing frame, a connecting lever assembly and a return spring, wherein the fixing frame is provided with a damping mechanism, the damping mechanism comprises a damper and the return spring, one end of the damper is provided with an abutting plate, the connecting lever assembly is provided with a groove, the abutting plate is matched with the groove, and two ends of the return spring are respectively abutted on the damper and the abutting plate; when the door leaf is closed, the abutting plate is clamped into the groove, and when the door leaf is opened, the abutting plate is separated from the groove.

The utility model is further provided with: the crank arm assembly comprises a group of crank arms which are hinged with each other, one end of each crank arm is rotatably provided with a sliding rod, the other end of each crank arm is provided with a rotating shaft, a sliding groove and a rotating shaft hole are formed in the fixing frame, the sliding rods are in sliding fit with the sliding grooves, and the rotating shafts are in rotating fit with the rotating shaft holes.

The utility model is further provided with: one side of the crank arm, which is close to the sliding rod, is provided with a stop block, the groove is positioned on the stop block, one end of the groove is provided with an opening, and the abutting plate enters the groove from one end of the opening.

The utility model is further provided with: the pair of fixing frames are respectively provided with a magnet A and a magnet B, and opposite poles of the magnet A and the magnet B are arranged opposite to each other.

The utility model is further provided with: the damper is a small-sized air spring damper or a small-sized hydraulic damper.

The utility model is further provided with: a flexible buffer layer is arranged in the groove, and the flexible buffer layer is made of sponge materials.

The utility model is further provided with: the abutting plate is of an isosceles trapezoid structure, and the larger bottom edge is matched with the groove.

In summary, the utility model has the following beneficial effects:

compared with the prior art, the buffer mechanism is arranged on the fixing frame, and the fixing frame is arranged inside the door frame or the door leaf, so that the buffer mechanism is not exposed outside, and the attractive appearance is better. And the buffer mechanism is relatively independent, the internal structure and the matching relation are simple, and the production and the assembly are more convenient.

Meanwhile, the buffer mechanism is provided with the abutting plate, the crank arm assembly is provided with the groove, the groove and the abutting plate are abutted when the hinge is closed, and are separated when the hinge is opened, so that the buffer mechanism is arranged to buffer the door leaf when the hinge is closed, collision between the door leaf and the door frame is avoided, and meanwhile, the door leaf is opened without being influenced by the buffer mechanism, so that the hinge is more flexible and sensitive to open.

Drawings

FIG. 1 is a schematic view of the whole structure of the hinge of the present embodiment;

FIG. 2 is a schematic view of the whole structure of the hinge according to the present embodiment when the hinge is opened;

FIG. 3 is a schematic view of the internal structure of the hinge according to the present embodiment when the hinge is opened;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;

FIG. 5 is a schematic view of the internal structure of the hinge according to the present embodiment when the hinge is closed;

fig. 6 is a schematic view of the whole structure of the abutting plate of the present embodiment.

Reference numerals: 1. a fixing frame; 101. a magnet A; 102. a magnet B; 3. a crank arm assembly; 301. a crank arm; 4. a buffer mechanism; 401. a damper; 402. a return spring; 5. an abutting plate; 6. a groove; 7. a slide bar; 8. a rotating shaft; 9. a sliding groove; 10. a rotation shaft hole; 11. a stop block; 13. a flexible buffer layer; 14. a door frame; 15. and a door leaf.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a hinge with buffer, as shown in fig. 1-6, which comprises a pair of fixing frames 1 respectively arranged in a door leaf 15 and a door frame 14, and a crank arm assembly 3 connected with the fixing frames 1, wherein the relative rotation of the two fixing frames 1 is realized through the crank arm assembly 3, so that the door leaf and the door frame relatively rotate, and the opening and closing of the door leaf are realized. Further, a buffer mechanism 4 is arranged on the fixing frame 1 of the embodiment, the buffer mechanism 4 comprises a damper 401 and a return spring 402, an abutting plate 5 is arranged at one end of the damper 401, a groove 6 is arranged on the crank arm assembly 3, the abutting plate 5 is matched with the groove 6, and two ends of the return spring 402 are respectively abutted on the damper 401 and the abutting plate 5; through the structure, when the door leaf is closed, the abutting plate 5 is clamped into the groove 6, so that the crank arm assembly 3 is blocked by the abutting plate 5 and the damper 401 connected with the abutting plate, and the moving speed of the crank arm assembly 3 is slowed down, and the slow closing of the hinge, namely the slow closing of the door leaf, is realized; meanwhile, when the door leaf is opened, the abutting plate 5 can be separated from the groove 6, and the buffer mechanism 4 is not active, so that the hinge and the door leaf are opened more rapidly and sensitively; the abutting plate 5 on the damper 401 automatically stretches out under the action of the return spring 402 to provide buffering when the hinge is closed next time.

Further, referring to fig. 3 and 5 for the specific structure of the crank arm assembly 3, the crank arm assembly 3 includes a group of hinged crank arms 301, one end of each crank arm 301 is rotatably provided with a sliding rod 7, the other end is provided with a rotating shaft 8, a sliding groove 9 and a rotating shaft hole 10 are provided in the fixed frame 1, the sliding rod 7 is in sliding fit with the sliding groove 9, and the rotating shaft 8 is in rotating fit with the rotating shaft hole 10.

Further, a stop block 11 is arranged on one side of the crank arm 301 close to the sliding rod 7, the groove 6 is located on the baffle 11, an opening is formed in one end of the groove 6, and the abutting plate 5 enters the groove 6 from one end of the opening.

Further, be equipped with magnet A101 and magnet B102 on the mount 1 of a pair of respectively, magnet A101 and magnet B102's heteropolar just set up, through setting up the magnet of looks attraction on mount 1 for two mounts are approaching when coming to laminate, and the hinge can be under the effect of magnet A and magnet B and buffer gear 4's effect slow closure, and magnet A and magnet B also can play spacing effect, prevent that the door page from opening by oneself.

Further, the damper 401 may be a small air spring damper or a small hydraulic damper, and the damper is a prior art in the field, and the damper may be selected to be suitable for damping and size according to actual requirements, which is not limited to a specific model of the damper in this embodiment.

Further, be provided with flexible buffer layer 13 in the recess 6, flexible buffer layer is made for the sponge material, because recess 6 is constantly contacted with butt plate 5, in order to reduce the wearing and tearing of both when contacting and reduce the effort of back shake, set up the flexible buffer layer that sponge material made and cushion to protection recess and butt plate.

Further, the abutting plate 5 is of an isosceles trapezoid structure, the larger bottom edge is matched with the groove 6, the abutting plate 5 of the trapezoid structure is used for increasing the contact area with the groove, so that the pressure received in the groove is balanced, and the stability of the whole structure is better.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a take hinge of buffering, includes a pair of mount (1) that set up respectively in door page or leaf and door frame to and connect turning arm subassembly (3) of mount (1), its characterized in that: the novel damping device is characterized in that a buffer mechanism (4) is arranged on the fixing frame (1), the buffer mechanism (4) comprises a damper (401) and a return spring (402), an abutting plate (5) is arranged at one end of the damper (401), a groove (6) is formed in the crank arm assembly (3), the abutting plate (5) is matched with the groove (6), and two ends of the return spring (402) are respectively abutted to the damper (401) and the abutting plate (5); when the door leaf is closed, the abutting plate (5) is clamped into the groove (6), and when the door leaf is opened, the abutting plate (5) is separated from the groove (6).

2. The cushioned hinge of claim 1, wherein: the crank arm assembly (3) comprises a group of crank arms (301) which are hinged with each other, one end of each crank arm (301) is rotatably provided with a sliding rod (7), the other end of each crank arm is provided with a rotating shaft (8), a sliding groove (9) and a rotating shaft hole (10) are formed in the fixing frame (1), the sliding rods (7) are in sliding fit with the sliding grooves (9), and the rotating shafts (8) are in rotating fit with the rotating shaft holes (10).

3. The cushioned hinge of claim 2, wherein: one side of the crank arm (301) close to the sliding rod (7) is provided with a stop block (11), the groove (6) is positioned on the stop block (11), one end of the groove (6) is provided with an opening, and the abutting plate (5) enters the groove (6) from one end of the opening.

4. The cushioned hinge of claim 1, wherein: a pair of fixing frames (1) are respectively provided with a magnet A (101) and a magnet B (102), and opposite poles of the magnet A (101) and the magnet B (102) are arranged in a right opposite way.

5. The cushioned hinge of claim 1, wherein: the damper (401) is a small-sized gas spring damper or a small-sized hydraulic damper.

6. The cushioned hinge of claim 1, wherein: a flexible buffer layer (13) is arranged in the groove (6), and the flexible buffer layer is made of sponge materials.

7. The cushioned hinge of claim 1, wherein: the abutting plate (5) is of an isosceles trapezoid structure, and the larger bottom edge is matched with the groove (6).