CN110593700A - Buffering hinge - Google Patents

Abstract

The invention provides a buffer hinge, which includes a hinge cup, a rocker arm, a fixed arm, a connecting arm, a telescopic cylinder, an elastic part, and a telescopic cylinder fixing part. The hinge cup is rotatably connected to one end of the rocker arm and one end of the connecting arm respectively. The other end of the rocker arm is rotatably connected with one end of the fixed arm. The connecting arm is rotatably installed on the fixed arm. The elastic member and the telescopic cylinder are installed in the fixed arm. The arm and the fixed arm are connected, the first telescopic end of the telescopic cylinder is connected or abutted against the spring, the second telescopic end of the telescopic cylinder is connected with the fixed part of the telescopic cylinder, and the fixed part of the telescopic cylinder is installed in the fixed arm; The arm is connected to the fixed part of the telescopic cylinder through transmission, and the connecting arm drives the fixed part of the telescopic cylinder to approach or move away from the first telescopic end of the telescopic cylinder during the rotation process. The invention solves the problems of complex clamping structure and high production cost of the telescopic cylinder.

Description

buffer hinge

technical field

The invention relates to a buffer hinge, in particular to a buffer hinge with a simple telescopic cylinder structure.

Background technique

The buffer hinge adopts the damper and the spring to form a damping structure, realize the slow closing effect of the door, and avoid the collision between the door of the furniture product and the cabinet during the opening and closing process. Even if the user closes the door forcefully, the buffer hinge will not It can ensure that the cabinet door closes softly, ensuring a quiet and comfortable home environment, and is widely used in modern furniture. However, the damper used in the existing buffer hinges is mainly a telescopic cylinder structure. During the installation process, a clamping structure needs to be provided on the telescopic cylinder to ensure that the telescopic cylinder and the rest of the buffer hinge can be clamped to realize linkage. However, the clamping structure of the telescopic cylinder makes its overall appearance complex, and whether it is made of metal or plasticized, it has a relatively high production cost.

Contents of the invention

The invention provides a buffer hinge to at least solve the problems in the prior art that the clamping structure of the telescopic cylinder is complicated and the production cost is high.

The invention provides a buffer hinge, which includes a hinge cup, a rocker arm, a fixed arm, a connecting arm, a telescopic cylinder, an elastic part, and a telescopic cylinder fixing part, and the hinge cup is rotatable with one end of the rocker arm and one end of the connecting arm respectively. The other end of the rocker arm is rotatably connected to one end of the fixed arm, the connecting arm is rotatably mounted on the fixed arm, the elastic member and the telescopic cylinder are installed in the fixed arm, and the elastic member includes a first Elastic end, second elastic end, the first elastic end and the second elastic end of the elastic member are respectively connected with the rocker arm and the fixed arm, the telescopic cylinder includes a first telescopic end and a second telescopic end, and the telescopic cylinder includes a first telescopic end and a second telescopic end. The first telescopic end of the cylinder is connected to or against the spring, the second telescopic end of the telescopic cylinder is connected to the fixed part of the telescopic cylinder, and the fixed part of the telescopic cylinder is installed in the fixed arm; the connecting arm and the telescopic cylinder The fixing part is connected by transmission, and the connecting arm drives the fixing part of the telescopic cylinder to approach or move away from the first telescopic end of the telescopic cylinder during the rotation process.

Further, the telescopic cylinder is selected from one of an oil cylinder, an air cylinder, and a gas-hydraulic damping cylinder.

Furthermore, the telescopic cylinder includes a piston rod, and the first telescopic end is a piston rod or the second telescopic end is a piston rod.

Further, the elastic member is a torsion spring or a compression spring.

Furthermore, the elastic member is a torsion spring, and the buffer hinge further includes a pin shaft, the rocker arm and the fixed arm are rotationally connected through the pin shaft, and the torsion spring is mounted on the pin shaft.

Further, the fixed part of the telescopic cylinder is slidably installed on the fixed arm, the connecting arm and the fixed part of the telescopic cylinder are provided with a first gear, and the fixed part of the telescopic cylinder is provided with a second gear, so The first gear is in transmission connection with the second gear.

Further, the buffer hinge also includes a fixed base, and the fixed base is connected with the fixed arm.

Compared with the prior art, the present invention simplifies the structure of the telescopic cylinder and reduces the production cost by adopting the telescopic cylinder fixing part to fix the telescopic cylinder. Simultaneously, because the telescopic cylinder of the present invention has a simple structure, it can be made of metal, which increases the bearing pressure of the telescopic cylinder on the one hand, and improves the durability of the telescopic cylinder on the other hand.

Description of drawings

Fig. 1 is a schematic diagram of a midline sectional structure of an embodiment of the present invention;

Fig. 2 is a schematic diagram of a midline cross-sectional structure of an embodiment of the present invention;

Fig. 3 is the telescopic cylinder of the embodiment of the present invention, the schematic diagram of telescopic cylinder fixing part;

Fig. 4 is a bottom view of an embodiment of the present invention;

Fig. 5 is a top view of the embodiment of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence.

The present invention provides a buffer hinge, as shown in Figures 1-4, comprising a hinge cup 1, a rocker arm 2, a fixed arm 4, a connecting arm 3, a telescopic cylinder 7, an elastic member, and a telescopic cylinder fixing member 5. The hinge cup 1 is rotatably connected with one end of the rocker arm 2 and one end of the connecting arm 3 respectively, and the other end of the rocker arm 2 is rotatably connected with one end of the fixed arm 4, and the connecting arm 3 is rotatably mounted on the fixed arm 4 Above, the elastic member and the telescopic cylinder 7 are installed in the fixed arm 4, the elastic member includes a first elastic end and a second elastic end, and the first elastic end and the second elastic end of the elastic member are connected with the rocker arm respectively. 2. The fixed arm 4 is connected, and the telescopic cylinder 7 includes a first telescopic end and a second telescopic end, and the first telescopic end of the telescopic cylinder 7 is in contact with or against a spring (in this embodiment, the The second telescopic end of the telescopic cylinder 7 is connected with the telescopic cylinder fixing part 5, and the telescopic cylinder fixing part 5 is installed in the fixed arm 4; the connecting arm 3 and the telescopic cylinder fixing part 5 are connected by transmission, and the connecting arm 4 drives the telescopic cylinder fixing part 5 to approach or move away from the first telescopic end of the telescopic cylinder 7 during the rotation process.

Optionally, the telescopic cylinder 7 is selected from one of an oil cylinder, an air cylinder, and a gas-hydraulic damping cylinder.

Optionally, as shown in Figures 1-4, the telescopic cylinder fixing part 5 is slidably installed on the fixed arm 4, and the connecting arm 3 is provided with a first gear 31 at the junction of the telescopic cylinder fixing part 5, The telescopic cylinder fixing member 5 is provided with a second gear member 51 , and the first gear member 31 and the second gear member 51 are in transmission connection.

Among them, as shown in Figure 1-4, the rocker arm 2, the connecting arm 3 and the fixed arm 4 are all rotatably connected to each other through the pin shaft, and the hinge cup 1 is formed by the rocker arm 2, the connecting arm 3 and the fixed arm 4. . The telescopic cylinder fixing part 5 is slidably installed on the fixed arm 4, and one end of the telescopic cylinder 7 is slidably inserted into the telescopic cylinder fixing part 5. During the telescopic cylinder 7 telescopic process, the telescopic cylinder 7 pushes the telescopic cylinder fixing part 5 and the fixed arm 4 Relative sliding occurs. As shown in Figure 3, the telescopic cylinder 7 is a cylindrical cylinder body, the telescopic cylinder fixing part 5 has a groove for fixing the telescopic cylinder 7, and the telescopic cylinder 7 and the telescopic cylinder fixing part 5 are made of metal. The fixed arm 4 is also provided with a fixed pin shaft 8, so that a channel is formed between the fixed pin shaft 8 and the fixed arm 4, so that the telescopic cylinder 7 and the telescopic cylinder fixing part 5 can be fixed in the channel, and the telescopic cylinder 7 and the telescopic cylinder are limited. The sliding direction of the fixture 5.

When buffering, the elastic member exerts pressure on the rocker arm 2 and the fixed arm 4; the connecting arm 3 is engaged with the second gear member 51 through the first gear member 31 to realize linkage with the telescopic cylinder fixing member 5, so that the telescopic cylinder 7 The connecting arm 3 and the fixed arm 4 can be respectively exerted pressure through the telescopic cylinder fixing part 5; the rocker arm 2 and the connecting arm 3, under the action of the elastic part and the telescopic cylinder 7, drive the hinge cup 1 and the fixed arm 4 from the stretched state of the hinge (Hinge is in stretched state among Fig. 1) enters the retracted state of hinge, realizes buffering process.

In the embodiment of the present invention, the telescopic cylinder is fixed by using the telescopic cylinder fixing member, which simplifies the structure of the telescopic cylinder and reduces the production cost. At the same time, because the structure of the telescopic cylinder in the embodiment of the present invention is simple, it can be produced by using metal, which increases the bearing pressure of the telescopic cylinder on the one hand, and improves the durability of the telescopic cylinder on the other hand.

Specifically, as shown in FIG. 3 , the telescopic cylinder 7 includes a piston rod 71 , and the first telescopic end is the piston rod 71 or the second telescopic end is the piston rod 71 .

Optionally, the elastic member is a torsion spring or a compression spring.

In particular, the elastic member is a torsion spring, and the buffer hinge further includes a pin shaft 6 through which the rocker arm 2 and the fixed arm 4 are rotationally connected, and the torsion spring is mounted on the pin shaft 6 . The first elastic end and the second elastic end of the torsion spring abut against the rocker arm 2 and the fixed arm 4 respectively, and the relative rotation between the rocker arm 2 and the fixed arm 4 will cause elastic deformation of the torsion spring.

Wherein, as shown in FIG. 3 , the end of the piston rod 71 of the telescopic cylinder 7 can be inserted into the fixed part 5 of the telescopic cylinder and fixed, or fixedly connected with the pin shaft 6 .

Optionally, as shown in FIG. 5 , the buffer hinge further includes a fixed base 9 connected to the fixed arm 4 .

Wherein, the fixed arm 4 and the fixed base 9 are fixed by screws, and the fixed base 9 is provided with a through hole for fixedly connecting the fixed arm 4 with the door panel.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that after reading this After the description of the application, the specific implementation mode of the present invention can still be modified or equivalently replaced, but none of these modifications or changes departs from the protection scope of the pending claims of the present application.

Claims (7)

1. A buffer hinge, including a hinge cup, a rocker arm, a fixed arm, a connecting arm, a telescopic cylinder, an elastic member, and a telescopic cylinder fixing member. The hinge cup is rotatably connected to one end of the rocker arm and one end of the connecting arm respectively. The other end of the rocker arm is rotatably connected to one end of the fixed arm. The connecting arm is rotatably mounted on the fixed arm. The elastic member and the telescopic cylinder are installed in the fixed arm. The elastic member includes a first elastic end, a second Two elastic ends, the first elastic end and the second elastic end of the elastic member are connected to the rocker arm and the fixed arm respectively, the telescopic cylinder includes a first telescopic end and a second telescopic end, the first telescopic cylinder of the telescopic cylinder The telescopic end connects or leans against the spring, the second telescopic end of the telescopic cylinder connects with the telescopic cylinder fixing part, and the telescopic cylinder fixing part is installed in the fixed arm; it is characterized in that, The connecting arm is connected to the fixed part of the telescopic cylinder by transmission, and the connecting arm drives the fixed part of the telescopic cylinder to approach or move away from the first telescopic end of the telescopic cylinder during the rotation process. 2. The buffer hinge according to claim 1, wherein the telescopic cylinder is selected from one of an oil cylinder, an air cylinder, and a gas-hydraulic damping cylinder. 3. The buffer hinge according to claim 2, wherein the telescopic cylinder comprises a piston rod, the first telescopic end is a piston rod or the second telescopic end is a piston rod. 4. The buffer hinge according to claim 1, wherein the elastic member is a torsion spring or a compression spring. 5. The buffer hinge according to claim 3, characterized in that, the elastic member is a torsion spring, and the buffer hinge further includes a pin shaft, the rocker arm and the fixed arm are rotationally connected through a pin shaft, and the torsion spring mounted on pins. 6. The buffer hinge according to claim 1, characterized in that, the fixed part of the telescopic cylinder is slidably installed on the fixed arm, and a first gear is provided at the junction of the connecting arm and the fixed part of the telescopic cylinder, and the The telescopic cylinder fixing part is provided with a second gear, and the first gear is in transmission connection with the second gear. 7. The buffer hinge according to claim 1, characterized in that, the buffer hinge further comprises a fixed base, and the fixed base is connected with the fixed arm.