Rolling gate piece buffering structure

Abstract

The utility model discloses a rolling gate piece buffer structure, which is characterized in that door pieces are mutually meshed through semicircular hinges to realize hinging, a buffer strip is arranged on a matching surface of two adjacent door pieces, and the buffer strip is arranged in a mounting groove on the upper side or the lower side of each door piece. According to the technical scheme, the buffer structure is designed on the matching surface between the upper door sheet and the lower door sheet of the rolling gate, so that the impact between the door sheets when the rolling gate is unfolded can be greatly reduced, and the brush on the adhesive tape is convenient to replace after being abraded.

Description

Technical Field

[0001] The utility model relates to a door sheet structure of a rolling shutter door. Background Art

[0002] When the rolling shutter door is started, the motor will drive the roller to rotate, and the curtain strips will begin to unfold or reel from the roller. The curtain strips are generally made of metal materials. When the rolling shutter door is unfolded, the mating parts between the door strips will collide with each other, making a loud noise. In particular, users have higher and higher requirements for the speed of rolling shutter doors. High speed will bring greater noise, and the loss caused by collision under high-speed movement will be greater, affecting the lifespan.

[0003] To reduce collisions between door panels, the prior art uses a technique that eliminates the mating surfaces between the panels. For example, the rolling shutter panels and rolling shutter doors disclosed in CN206448752U have trapezoidal panel structures, which prevent the panels from colliding with each other when unfolded. Furthermore, it is mentioned that grooves are added to the hinge connection to accommodate buffering materials. The drawbacks of this prior art are: 1. While trapezoidal panel structures can prevent collisions between panel members, the hinges are exposed, and dust and dirt entering the hinge gaps increase wear and tear, and the appearance is unsightly. 2. If a groove is to be designed at the hinge position, the hinge thickness must meet certain requirements, which increases the overall size of the door panel.

[0004] CN 212837516 U also discloses a sound-absorbing rolling shutter door structure. Its technical solution is to design the mating surface between the two door panels into an arc shape, that is, to use the entire mating surface as part of the hinge. Then, three grooves are designed on the arc-shaped mating surface and a sound-absorbing strip is installed. This structure can achieve a good sound-absorbing effect in the early stage, but because the sound-absorbing strip itself is part of the hinge structure, each opening and closing of the rolling shutter door will cause wear on the sound-absorbing strip. This can cause the hinge center to shift after a period of use, generating more noise. Summary of the Invention

[0005] In order to solve the problems of noise and wear caused by the collision of curtain sheets when a rolling shutter door is unfolded, the utility model provides a door sheet buffer structure.

[0006] The technical solution of this utility model:

[0007] A rolling shutter door panel buffer structure is characterized in that the door panels are hinged to each other through semicircular hinges, and buffer strips are installed on the mating surfaces of two adjacent door panels, and the buffer strips are installed in the installation grooves on the upper side or lower side of the door panels.

[0008] The installation groove is in the shape of a "convex" character.

[0009] The buffer strip is composed of a brush fixed on a rubber strip. The rubber strip is set in a "convex"-shaped installation groove, and the brush is exposed from the groove.

[0010] A semicircular hinge is arranged on the matching surface between the two door panels at a position close to the inner side of the door, and a mounting groove is arranged on the matching surface at a position close to the outer side of the door.

[0011] The mating surfaces between the two door panels are two mutually parallel inclined surfaces, and the cross-section of the door panels is generally a parallelogram.

[0012] The outer surface of the door panel is not a plane, and the cross section of the outer surface of the door panel is a zigzag wavy line, and the matching surfaces on the upper and lower sides of the door panel are located at the trough position of the zigzag wavy line.

[0013] The upper and lower sides of the door sheet are respectively provided with arc-shaped protrusions or recesses that can cooperate with each other.

[0014] The beneficial effects of the utility model are:

[0015] A buffer structure is designed on the mating surface between the upper and lower adjacent door panels of the rolling shutter door, which can greatly reduce the impact between the door panels when the rolling shutter door is unfolded. The brush on the rubber strip is also convenient to replace after it is worn.

[0016] The surface of the door panel is designed as a wave structure with triangular fold lines, which can make the seams between the door panels exactly at the position of the trough. People are not easy to see the gaps in the trough when looking at the rolling shutter door, which improves the overall texture. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a cross-sectional structural diagram of the door.

[0018] Figure 2 It is the noise reduction structure disclosed in CN212837516U. DETAILED DESCRIPTION

[0019] Example 1:

[0020] The shutter door panels are hollow aluminum alloy structures, with the upper and lower panels connected by a semicircular hinge. The present invention incorporates a groove for mounting a brush on the mating surfaces of the two panels. Due to the large internal space of the panels, only an inwardly recessed mounting groove is required to accommodate the brush strip. The brush strip is inserted into the convex mounting groove for securement, with the bristles protruding from the gap. When the two panels are mated, the brush strip acts as a buffer.

[0021] Example 2: Based on Example 1, the front of the door panel is designed to be a triangular wavy surface with an obtuse angle. The door panel is a parallelogram as a whole when viewed from the cross section, wherein the outer side is a triangular wavy line, and the two parallel oblique sides serve as mating surfaces. The positions of the two mating surfaces are exactly at the trough of the wavy line. In addition, an arc-shaped protrusion is designed on the upper mating surface, and an arc-shaped recess is designed on the lower mating surface. When the door panel is unfolded, the two mating surfaces are buffered by a brush, and the protrusion and the recess cooperate with each other.

Claims

1. A rolling shutter door panel buffer structure, characterized by: The door panels are hinged to each other through semicircular hinges. Buffer strips are installed on the mating surfaces of two adjacent door panels. The buffer strips are installed in the mounting grooves on the upper or lower sides of the door panels. The mating surfaces between the two door panels are two parallel inclined surfaces, and the cross-section of the door panels is a parallelogram as a whole.

2. The rolling shutter door sheet buffer structure according to claim 1, characterized in that: The installation groove is in the shape of a "convex" character.

3. The rolling shutter door sheet buffer structure according to claim 2, characterized in that: The buffer strip is composed of a brush fixed on a rubber strip. The rubber strip is set in a "convex" shaped installation groove, and the brush is exposed from the groove.

4. The rolling shutter door buffer structure according to claim 1, characterized in that: A semicircular hinge is arranged on the matching surface between the two door panels at a position close to the inner side of the door, and a mounting groove is arranged on the matching surface at a position close to the outer side of the door.

5. The rolling shutter door sheet buffer structure according to any one of claims 1 to 4, characterized in that: The outer surface of the door panel is not a plane, and the cross section of the outer surface of the door panel is a zigzag wavy line, and the matching surfaces on the upper and lower sides of the door panel are located at the trough position of the zigzag wavy line.

6. The rolling shutter door sheet buffer structure according to claim 5, characterized in that: The upper and lower sides of the door sheet are respectively provided with arc-shaped protrusions or recesses that can cooperate with each other.

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