Door opening pneumatic supporting structure

Abstract

The utility model discloses a door opening pneumatic supporting structure which comprises an installation box, an air cylinder, a main arm, an auxiliary arm, a connecting rod, an installation shaft, a first connecting shaft and a second connecting shaft, the installation shaft, the first connecting shaft and the second connecting shaft are all arranged in the installation box, one end of the air cylinder is installed on the installation shaft, and a piston rod of the air cylinder is connected with the main arm. One end of the main arm is sleeved on the first connecting shaft, one end of the auxiliary arm is sleeved on the second connecting shaft, and two ends of the connecting rod are respectively connected with the main arm and the auxiliary arm. Through the air cylinder, interaction with the main arm can be carried out, the cabinet door connected with the main arm and the auxiliary arm is supported, buffering is carried out in the opening and closing process, and the overall structure is simple; meanwhile, buffering of existing structures such as springs is replaced by the air cylinder, the effect is more stable, and the overall service life can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to a cabinet door accessory, in particular to a door opening pneumatic support structure. BACKGROUND

[0002] At present, many cabinet doors adopt cabinet door stay devices to realize the upturn opening function, such as the application number 202120331995.5 discloses a bidirectional buffer upturn door hinge with linkage mechanism, which supports and buffers the cabinet door by being provided with multiple springs and multiple dampers. When this kind of structure is used, the spring is prone to fatigue, which affects the elastic performance, and the connecting rod structure and the overall structure are relatively complex, and only the upturn function of the cabinet door can be realized. SUMMARY

[0003] The utility model aims at providing a door opening pneumatic support structure which can solve at least one of the above problems.

[0004] According to one aspect of the utility model, a door opening pneumatic support structure is provided, which comprises a mounting box, a cylinder, a main arm, an auxiliary arm, a connecting rod, a mounting shaft, a first connecting shaft and a second connecting shaft. The mounting shaft, the first connecting shaft and the second connecting shaft are all arranged in the mounting box. One end of the cylinder is mounted on the mounting shaft. The piston rod of the cylinder is connected with the main arm. One end of the main arm is sleeved on the first connecting shaft. One end of the auxiliary arm is sleeved on the second connecting shaft. The two ends of the connecting rod are connected with the main arm and the auxiliary arm respectively.

[0005] The utility model has the advantages that: through the cylinder, the main arm can be interacted to support the cabinet door connected with the main arm and the auxiliary arm, and to buffer during the opening and closing process. The overall structure is simple. Meanwhile, the cylinder replaces the buffer structure of the existing spring and the like, which is more stable in effect and beneficial to improving the overall service life.

[0006] In some embodiments, the door opening pneumatic support structure further comprises a buffer. One end of the buffer is fixed on the mounting box. The main arm is provided with a first bending part. The first bending part is located between the first connecting shaft and the connecting rod. The first bending part can abut against the other end of the buffer. Thus, the buffer is arranged. Therefore, during the closing process of the cabinet door, the buffer acts on the first bending part, so that the main arm rotates slowly and buffers the closing of the cabinet door.

[0007] In some embodiments, the first mounting hole and the second mounting hole are arranged on the main arm, and the first mounting hole and the second mounting hole are respectively arranged on opposite sides of the first connecting shaft; the piston rod of the cylinder is connected with the first mounting hole or the second mounting hole; and the first mounting hole and the second mounting hole are arranged on the same side of the connecting rod. Thus, the first mounting hole and the second mounting hole are arranged, so that the piston rod of the cylinder can be connected with mounting holes in different positions, and the upward or downward turning of the cabinet door can be realized, and the versatility is improved.

[0008] In some embodiments, the door opening pneumatic support structure further comprises a fixing box fixed on the cabinet door, and the other ends of the main arm and the auxiliary arm are connected with the fixing box. Thus, the fixing box is arranged, so that the main arm and the auxiliary arm are conveniently connected with the cabinet door.

[0009] In some embodiments, the fixing box comprises a base and a shell, the main arm and the auxiliary arm are connected with the shell, the shell is provided with an adjusting groove, and the shell is connected with the base through a screw penetrating through the adjusting groove. Thus, the adjusting groove is arranged on the shell, so that the shell can be finely adjusted up and down relative to the base, and the normal and stable rotation of the main arm and the auxiliary arm is facilitated.

[0010] In some embodiments, the door opening pneumatic support structure further comprises a positioning block fixed on the mounting box, and one end of the buffer is fixed on the positioning block. Thus, the positioning block is arranged, so that the buffer is conveniently mounted. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a structure schematic diagram of the door opening pneumatic support structure when driving the cabinet door to be upward turned;

[0012] Figure 2 is Figure 1 is a structure schematic diagram of the door opening pneumatic support structure when the mounting box is opened;

[0013] Figure 3 is a structure schematic diagram of the door opening pneumatic support structure when driving the cabinet door to be downward turned and closed;

[0014] Figure 4 is Figure 3 is a structure schematic diagram of the door opening pneumatic support structure when the mounting box is opened. DETAILED DESCRIPTION

[0015] The utility model will be further explained in detail in combination with the drawings.

[0016] Refer to Figures 1-4A door opening pneumatic support structure, comprising a mounting box 1, a cylinder 2, a main arm 3, a sub-arm 4, a connecting rod 5, a mounting shaft 6, a first connecting shaft 7 and a second connecting shaft 8, the mounting shaft 6, the first connecting shaft 7 and the second connecting shaft 8 are all arranged in the mounting box 1, one end of the cylinder 2 is mounted on the mounting shaft 6, a piston rod of the cylinder 2 is connected with the main arm 3, one end of the main arm 3 is sleeved on the first connecting shaft 7, one end of the sub-arm 4 is sleeved on the second connecting shaft 8, and two ends of the connecting rod 5 are connected with the main arm 3 and the sub-arm 4 respectively.

[0017] In actual use, the mounting box 1 is fixed on the side wall of a cabinet, and the other end of the main arm 3 and the other end of the sub-arm 4 are both connected with a cabinet door 30. When the structure is used for the cabinet door to be opened upward, when an external force acts on the cabinet door 30, the cabinet door pulls the main arm 3 to rotate around the first connecting shaft 7, and the sub-arm 4 rotates around the second connecting shaft 8; when the cabinet door is opened, the main arm 3 acts on the piston rod of the cylinder 2 to gradually pull the piston rod out; under the action of the cylinder 2, the rotation of the main arm 3 can be slowed down, at this time, the main arm 3 acts on the sub-arm 4 through the connecting rod 5, so that the rotation speed of the sub-arm 4 is also reduced accordingly, so that the cabinet door can be slowly opened upward or downward, and the opening speed is prevented from being too fast.

[0018] Similarly, when the cabinet door needs to be closed, the cabinet door acts on the main arm 3, the main arm 3 pushes the piston rod of the cylinder 2 to retract, and under the action of the cylinder, the rotation speed of the main arm 3 can be reduced, so that the closing speed of the cabinet door is prevented from being too fast.

[0019] The door opening pneumatic support structure also comprises a buffer 9, one end of the buffer 9 is fixed on the mounting box 1, a first bending part 31 is arranged on the main arm 3, the first bending part 31 is located between the first connecting shaft 7 and the connecting rod 5, and the first bending part 31 can abut against the other end of the buffer 9. The first bending part 31 is bent to one side of the sub-arm 4. When the cabinet door is in the closing process, the main arm 3 rotates, and when the first bending part 31 rotates to the buffer 9, the buffer 9 acts on the first bending part 31, that is, acts on the main arm 3, so as to buffer the main arm 3, thereby slowing down the closing speed and playing a role of closing buffer.

[0020] By arranging one buffer 9, the rotation speed of the main arm 3 can be buffered, and then the connecting rod acts on the sub-arm 4, so that the rotation speeds of the main arm 3 and the sub-arm 4 are both slowed down, and the overall structure is greatly simplified.

[0021] The main arm 3 is provided with a first mounting hole 32 and a second mounting hole 33, the first mounting hole 32 and the second mounting hole 33 are located at opposite sides of the first connecting shaft 7 respectively, the piston rod of the cylinder 2 is connected with the first mounting hole 32 or the second mounting hole 33, and the first mounting hole 32 and the second mounting hole 33 are located at the same side of the connecting rod 5.

[0022] When the piston rod of the cylinder 2 is connected with the first mounting hole 32, when the piston rod of the cylinder 2 is outward, that is, the cabinet door is opened, the main arm 3 is rotated downward, the cabinet door is pushed to be turned downward, and the downward turning function of the cabinet door is realized; when the piston rod of the cylinder 2 is connected with the second mounting hole 33, when the piston rod of the cylinder 2 is outward, the main arm 3 is pushed to be rotated upward, so that the upward turning of the cabinet door can be realized (as shown in Figure 1 and 2 shown), and different installation and use requirements are met.

[0023] In actual use, in order to further improve the stable opening and closing of the cabinet door, the door opening pneumatic supporting structure is installed on both sides of the cabinet body, the two structures are connected through a connecting rod, the connecting rod is connected with the main arms 3 on both sides, and synchronous action of the door opening pneumatic supporting structures on both sides is facilitated, and the force acting on the single-side structure is reduced.

[0024] The door opening pneumatic supporting structure also comprises a fixing box 10, the fixing box 10 is fixed on the cabinet door, and the other ends of the main arms 3 and the auxiliary arms 4 are connected with the fixing box 10.

[0025] The fixing box 10 comprises a base 101 and a shell 102, the main arms 3 and the auxiliary arms 4 are connected with the shell 102, the shell 102 is provided with an adjusting groove 103, and the shell 102 is connected with the base 101 through screws penetrating through the adjusting groove 103. The base 101 is fixed on the cabinet door through screws, and then the shell 102 is installed and fixed with the base 101. The adjusting groove 103 is arranged along the vertical direction, so that the up-down position of the shell 102 relative to the base 101 can be finely adjusted, when the shell 102 is adjusted to a suitable position, the screw penetrating through the adjusting groove 103 is locked, and the shell 102 is fixed on the base 101.

[0026] The other end of the main arm 3 and the other end of the auxiliary arm 4 are connected with the side wall of the shell 102 through a pin shaft, so that the main arm 3 and the auxiliary arm 4 can act on the cabinet door through the fixing box 10, the opening and closing of the cabinet door are realized, and the buffering effect of opening and closing the door is realized.

[0027] The door opening pneumatic supporting structure further comprises a positioning block 20, the positioning block 20 is fixed on the mounting box 1, and one end of the buffer 9 is fixed on the positioning block 20.

[0028] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the art, without departing from the creative concept of the utility model, a plurality of deformations and improvements can be made, and these all belong to the protection scope of the utility model.

Claims

1. An open door pneumatic support structure, characterized by, The device comprises a mounting box (1), a cylinder (2), a main arm (3), a sub-arm (4), a connecting rod (5), a mounting shaft (6), a first connecting shaft (7) and a second connecting shaft (8), the mounting shaft (6), the first connecting shaft (7) and the second connecting shaft (8) are all arranged in the mounting box (1), one end of the cylinder (2) is mounted on the mounting shaft (6), a piston rod of the cylinder (2) is connected with the main arm (3), one end of the main arm (3) is sleeved on the first connecting shaft (7), one end of the sub-arm (4) is sleeved on the second connecting shaft (8), and two ends of the connecting rod (5) are connected with the main arm (3) and the sub-arm (4) respectively.

2. The open door pneumatic support structure according to claim 1, wherein, The device further comprises a buffer (9), one end of the buffer (9) is fixed on the mounting box (1), a first bending part (31) is arranged on the main arm (3), the first bending part (31) is located between the first connecting shaft (7) and the connecting rod (5), and the first bending part (31) can abut against the other end of the buffer (9).

3. A door opening pneumatic support structure according to claim 2, wherein The main arm (3) is provided with a first mounting hole (32) and a second mounting hole (33), the first mounting hole (32) and the second mounting hole (33) are located on opposite sides of the first connecting shaft (7) respectively, the piston rod of the cylinder (2) is connected with the first mounting hole (32) or the second mounting hole (33), and the first mounting hole (32) and the second mounting hole (33) are located on the same side of the connecting rod (5).

4. A door-opening pneumatic support structure according to any one of claims 1 to 3, characterized in that The device further comprises a fixing box (10), the fixing box (10) is fixed on a cabinet door, and the other ends of the main arm (3) and the sub-arm (4) are connected with the fixing box (10).

5. A door opening pneumatic support structure according to claim 4, wherein The fixing box (10) comprises a base (101) and a shell (102), the main arm (3) and the sub-arm (4) are connected with the shell (102), the shell (102) is provided with an adjusting groove (103), and the shell (102) is connected with the base (101) through a screw passing through the adjusting groove (103).

6. The open door pneumatic support structure according to claim 3, wherein, The device further comprises a positioning block (20), the positioning block (20) is fixed on the mounting box (1), and one end of the buffer (9) is fixed on the positioning block (20).

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