Noise reduction type automatic lifting door

Abstract

The utility model discloses a noise reduction type automatic lifting door which comprises a door frame and a lifting door plate, the door frame is connected with the lifting door plate in a sliding mode, and the rear end of the door frame is connected with a noise reduction assembly I. According to the technical scheme, the noise reduction assembly I is arranged, and compared with a common block-shaped sliding block, the noise reduction assembly I is provided with a ball; the friction between the ball bearing and the guide rail can be effectively reduced, excessive noise caused by friction is prevented, the sealing plug is unscrewed regularly, lubricating oil is added into the guide rail, and therefore the ball bearing and the guide rail can be lubricated, friction between the ball bearing and the guide rail is further reduced, and the purpose of noise reduction during lifting is achieved. And the oil receiving box at the bottom can collect the flowing-out lubricating oil, so that the problems that the door frame and the door are easily damaged due to the fact that large friction is possibly generated between the door and the door frame in the lifting process of the door, large noise is generated while the door is lifted, and the use comfort is poor are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of overhead doors, especially relates to a noise reduction type automatic overhead door. BACKGROUND

[0002] The overhead door is a kind of door installed at the door of building or garage, and is opened and closed by lifting up and down;

[0003] Application No.: CN202221837659.9, disclose the overhead door and the equipment with the overhead door, drive mechanism drives lifting mechanism to drive door body to slide relative to door frame, it is convenient to operate, save time and labor;

[0004] But door in the process of lifting, it can be with the door frame and produce greater friction, not only easy to cause damage to door frame and door, and also can produce greater noise while lifting door, the comfort of use is poor, for this, we propose a noise reduction type automatic overhead door. UTILITY MODEL CONTENTS

[0005] In order to overcome the deficiencies of the prior art, the utility model discloses a noise reduction type automatic overhead door, compared with the setting of general block-shaped slider, setting ball can effectively reduce the friction with guide rail, prevent generating too much noise because of friction, periodically unscrew the sealing plug, add lubricating oil to the inside of guide rail, so that ball and guide rail can be lubricated, further reduce the friction between ball and guide rail, realize the purpose of noise reduction when lifting, the oil receiving box at the bottom can collect the lubricating oil flowing out.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A noise reduction type automatic overhead door, including door frame and lifting door plate, the door frame is slidably connected with the lifting door plate, the rear end of the door frame is connected with noise reduction assembly one, the noise reduction assembly one is slidably connected with the lifting door plate, the rear end of the door frame is connected with lifting assembly, the outside of the lifting assembly is connected with noise reduction assembly two;

[0008] The noise reduction assembly one includes a pair of guide rails, a pair of guide rails are fixedly connected at the rear end of the door frame, the upper end of a pair of guide rails is fixedly connected with liquid inlet pipe, the upper end of the liquid inlet pipe is threadedly connected with sealing plug, the opposite end surface of a pair of guide rails is provided with sliding groove, the inside of a pair of guide rails is rotatably connected with ball, the outside of the ball is rotatably connected with connecting piece, the lower end of a pair of guide rails is movably connected with oil receiving box.

[0009] By setting up a noise reduction component, compared with the setting of a general block-shaped slider, the setting of a ball can effectively reduce the friction with the guide rail and prevent excessive noise caused by friction. The sealing plug can be unscrewed regularly and lubricating oil can be added to the inside of the guide rail to lubricate both the ball and the guide rail, thereby further reducing the friction between the ball and the guide rail and achieving the purpose of noise reduction during lifting. The oil box at the bottom can collect the flowing lubricating oil.

[0010] Furthermore, the connecting piece passes through the slide groove and is slidably connected to the slide groove, the connecting piece is fixedly connected to the lifting door plate, the left and right ends of the oil receiving box are fixedly connected to fixed plates, the external movably connected to the fixed plate is connected to a pull block, one end of the pull block is fixedly connected to a pull rod, and the end of the pull rod away from the pull block is fixedly connected to a limiting column.

[0011] By setting the limit column and the limit groove, the oil receiving box and the guide rail can be fixed, and the disassembly of the oil receiving box is also convenient, so that the lubricating oil collected in the oil receiving box can be removed.

[0012] Furthermore, the pull rod and the limiting column pass through the fixed plate and are movably connected to the fixed plate. The outer ends of a pair of guide rails are each provided with a limiting groove, and the limiting column is movably connected inside the limiting groove, and the limiting column is adapted to the limiting groove.

[0013] Furthermore, a spring is provided outside the pull rod, one end of the spring is fixedly connected to the pull rod, and the other end of the spring is fixedly connected to the fixing plate.

[0014] Furthermore, the second noise reduction component includes a sound insulation cover, and the inner wall of the sound insulation cover is fixedly connected to a sound absorbing board.

[0015] Furthermore, the lifting assembly includes a connecting plate 1, which is fixedly connected to the rear end of the door frame, the outer end of the connecting plate 1 is fixedly connected to a servo motor, the sound insulation cover is fixedly connected to the outer end of the connecting plate 1, and the servo motor is fixedly connected to the inside of the sound insulation cover.

[0016] Furthermore, the right end of the servo motor output end is fixedly connected to a transmission shaft, the transmission shaft is rotationally connected to the connecting plate, and the outside of the transmission shaft is fixedly connected to a connecting rod.

[0017] Furthermore, the rear end of the lifting door panel is fixedly connected to the connecting plate 2, the outer end of the connecting plate 2 is rotatably connected to the rotating shaft, the outside of the rotating shaft is fixedly connected to the bracket, and the bracket is rotatably connected to the connecting rod.

[0018] In summary, the present invention has the following beneficial effects:

[0019] 1、By setting the noise reduction assembly one, compared to the general block-shaped slider setting, setting the ball, can effectively reduce the friction with the guide rail, prevent the generation of too much noise due to friction, regularly unscrew the sealing plug, add lubricating oil to the inside of the guide rail, so that the ball and the guide rail can be lubricated, and the friction between the ball and the guide rail is further reduced, so that the purpose of noise reduction during lifting is achieved, and the oil collecting box at the bottom can collect the flowing lubricating oil;

[0020] 2、By setting the limiting column and the limiting groove, the oil collecting box and the guide rail can be fixed, and the oil collecting box can be easily disassembled, so that the collected lubricating oil in the oil collecting box can be easily removed. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic view of the rear view structure in the embodiment;

[0022] Figure 2 is a schematic view of the three-dimensional structure of the door frame and the lifting door plate in the embodiment;

[0023] Figure 3 is a schematic view of the planar structure of the noise reduction assembly one in the embodiment;

[0024] Figure 4 is a schematic view of the structure at A in the embodiment; Figure 1

[0025] Figure 5 is a schematic view of the planar structure of the noise reduction assembly two in the embodiment;

[0026] Figure 6 is a schematic view of the three-dimensional structure of the lifting assembly in the embodiment.

[0027] In the drawing, 1, door frame; 2, lifting door plate; 3, noise reduction assembly one; 301, guide rail; 302, liquid inlet pipe; 303, sealing plug; 304, sliding groove; 305, ball; 306, connecting piece; 307, oil collecting box; 308, fixed plate; 309, pull block; 310, pull rod; 311, limiting column; 312, limiting groove; 313, spring; 4, lifting assembly; 401, connecting plate one; 402, servo motor; 403, transmission shaft; 404, connecting rod; 405, connecting plate two; 406, rotating shaft; 407, support; 5, noise reduction assembly two; 501, sound insulation cover; 502, sound absorption plate. DETAILED DESCRIPTION

[0028] The utility model will be further explained in detail in combination with the drawings.

[0029] ​Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom," "top," "inner," and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

[0030] Reference Figure 1 As shown, a noise reduction automatic lifting door in a preferred embodiment of the present invention includes a door frame 1 and a lifting door panel 2. The door frame 1 is slidably connected to the lifting door panel 2. The rear end of the door frame 1 is connected to a noise reduction component 1 3. The noise reduction component 1 3 is slidably connected to the lifting door panel 2. The rear end of the door frame 1 is connected to a lifting component 4. The outside of the lifting component 4 is connected to a noise reduction component 2 5.

[0031] Reference Figure 1-Figure 3 As shown, the noise reduction component 3 includes a pair of guide rails 301, which are fixedly connected to the rear end of the door frame 1, and the upper ends of the pair of guide rails 301 are fixedly connected to the liquid inlet pipe 302, and the upper end of the liquid inlet pipe 302 is threadedly connected to the sealing plug 303, and the opposite end faces of the pair of guide rails 301 are provided with a slide groove 304, the interior of the pair of guide rails 301 is rotatably connected to the ball 305, the outside of the ball 305 is rotatably connected to the connecting piece 306, and the lower ends of the pair of guide rails 301 are movably connected to the oil receiving box 307.

[0032] By setting up a noise reduction component 3, compared with the setting of a general block-shaped slider, the setting of the ball 305 can effectively reduce the friction with the guide rail 301 and prevent excessive noise caused by friction. The sealing plug 303 can be unscrewed regularly to add lubricating oil to the inside of the guide rail 301, so that both the ball 305 and the guide rail 301 can be lubricated, thereby further reducing the friction between the ball 305 and the guide rail 301, thereby achieving the purpose of noise reduction during lifting and lowering. The oil box 307 at the bottom can collect the lubricating oil that flows out.

[0033] Reference Figure 1-Figure 4 As shown, the connecting piece 306 passes through the slide groove 304 and is slidably connected to the slide groove 304, the connecting piece 306 is fixedly connected to the lifting door panel 2, the left and right ends of the oil receiving box 307 are fixedly connected to the fixed plate 308, the external movably connected to the fixed plate 308 is connected to the pull block 309, one end of the pull block 309 is fixedly connected to the pull rod 310, and the end of the pull rod 310 away from the pull block 309 is fixedly connected to the limiting column 311.

[0034] By providing the limiting column 311 and the limiting groove 312, the oil receiving box 307 and the guide rail 301 can be fixed, and the disassembly of the oil receiving box 307 is also convenient, so that the lubricating oil collected in the oil receiving box 307 can be removed easily.

[0035] Reference Figure 1-Figure 4As shown, the pull rod 310 and the limiting column 311 pass through the fixed plate 308 and are movably connected with the fixed plate 308, the outer ends of the pair of guide rails 301 are provided with limiting grooves 312, and the limiting column 311 is movably connected in the limiting grooves 312, and the limiting column 311 is matched with the limiting grooves 312.

[0036] Referring to Figure 1-Figure 4 As shown, the outer part of the pull rod 310 is provided with a spring 313, one end of the spring 313 is fixedly connected with the pull rod 310, and the other end of the spring 313 is fixedly connected with the fixed plate 308.

[0037] When the oil receiving box 307 is taken out, the pull block 309 is pulled outward, the pull rod 310 is driven to move outward, and the spring 313 is compressed, so that the limiting column 311 is separated from the limiting groove 312, the oil receiving box 307 is taken down, and after the lubricating oil is removed, it is put back to the original position, the pull block 309 is released, and under the reset action of the spring 313, the limiting column 311 is inserted into the limiting groove 312, so that the oil receiving box 307 and the guide rail 301 are fixed together.

[0038] Referring to Figure 1 , Figure 5 and Figure 6 As shown, the noise reduction assembly two 5 comprises a sound insulation cover 501, and the inner wall of the sound insulation cover 501 is fixedly connected with a sound absorption plate 502.

[0039] By arranging the noise reduction assembly two 5, the sound insulation cover 501 and the sound absorption plate 502 can absorb and isolate the noise generated by the servo motor 402, and further improve the noise reduction performance of the device.

[0040] Referring to Figure 1 and Figure 6 As shown, the lifting assembly 4 comprises a connecting plate one 401, the connecting plate one 401 is fixedly connected to the rear end of the door frame 1, the outer end of the connecting plate one 401 is fixedly connected with a servo motor 402, the sound insulation cover 501 is fixedly connected to the outer end of the connecting plate one 401, and the servo motor 402 is fixedly connected to the inside of the sound insulation cover 501.

[0041] Referring to Figure 1 and Figure 6 As shown, the outer end of the connecting plate two 405 is rotatably connected with a rotating shaft 406, the outer part of the rotating shaft 406 is fixedly connected with a support 407, and the support 407 is rotatably connected with the connecting rod 404.

[0042] Referring to Figure 1 and Figure 6 As shown, the rear end of the lifting door plate 2 is fixedly connected with a connecting plate two 405, the outer end of the connecting plate two 405 is rotatably connected with a rotating shaft 406, the outer part of the rotating shaft 406 is fixedly connected with a support 407, and the support 407 is rotatably connected with the connecting rod 404.

[0043] By setting up the lifting component 4, a PLC controller is installed at the front end of the door frame 1. The PLC controller controls the servo motor 402 to drive the transmission shaft 403 and the connecting rod 404 to rotate, thereby driving the bracket 407 to rotate. When the connecting rod 404 drives the bracket 407 to rotate upward, it can drive the lifting door panel 2 to move upward. When the connecting rod 404 drives the bracket 407 to move downward, it can drive the lifting door panel 2 to move downward, completing the automatic lifting of the lifting door panel 2.

[0044] Specific implementation process: A PLC controller is installed at the front end of the door frame 1. The PLC controller controls the servo motor 402 to drive the transmission shaft 403 and the connecting rod 404 to rotate, thereby driving the bracket 407 to rotate. When the connecting rod 404 drives the bracket 407 to rotate upward, it can drive the lifting door panel 2 to move upward. When the connecting rod 404 drives the bracket 407 to move downward, it can drive the lifting door panel 2 to move downward, completing the automatic lifting of the lifting door panel 2. In addition, the sound insulation cover 501 and the sound absorbing panel 502 can absorb and isolate the noise generated by the servo motor 402, further improving the noise reduction performance of the device.

[0045] When the door panel 2 moves up and down, it drives the ball bearing 305 to roll and rise and fall. Compared with the setting of a general block-shaped slider, the setting of the ball bearing 305 can effectively reduce the friction with the guide rail 301, preventing excessive noise caused by friction. The sealing plug 303 is regularly unscrewed to add lubricating oil to the inside of the guide rail 301, so that both the ball bearing 305 and the guide rail 301 can be lubricated, thereby further reducing the friction between the ball bearing 305 and the guide rail 301, achieving the purpose of reducing noise during lifting. The oil collecting box 307 at the bottom can collect the flowing lubricating oil.

[0046] When removing the oil receiving box 307, pull the pull block 309 outward, drive the pull rod 310 to move outward, and compress the spring 313, so that the limit column 311 can be disengaged from the limit groove 312. Remove the oil receiving box 307, clean the lubricating oil, and then put it back in place, release the pull block 309, and under the resetting action of the spring 313, allow the limit column 311 to be inserted into the limit groove 312, so that the oil receiving box 307 can be fixed together with the guide rail 301.

[0047] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A noise-reducing automatic lift door, characterized by: The invention comprises a door frame (1) and a lifting door panel (2), wherein the door frame (1) is slidably connected to the lifting door panel (2), the rear end of the door frame (1) is connected to a noise reduction component (3), the noise reduction component (3) is slidably connected to the lifting door panel (2), the rear end of the door frame (1) is connected to a lifting component (4), and the outside of the lifting component (4) is connected to a noise reduction component (5); The noise reduction component (3) comprises a pair of guide rails (301), the pair of guide rails (301) are fixedly connected to the rear end of the door frame (1), the upper ends of the pair of guide rails (301) are fixedly connected to a liquid inlet pipe (302), the upper end of the liquid inlet pipe (302) is threadedly connected to a sealing plug (303), the opposite end surfaces of the pair of guide rails (301) are provided with a sliding groove (304), the interior of the pair of guide rails (301) is rotatably connected to a ball bearing (305), the exterior of the ball bearing (305) is rotatably connected to a connecting piece (306), and the lower ends of the pair of guide rails (301) are movably connected to an oil receiving box (307).

2. The noise reduction automatic lifting door according to claim 1, characterized in that: The connecting piece (306) passes through the slide groove (304) and is slidably connected to the slide groove (304). The connecting piece (306) is fixedly connected to the lifting door plate (2). The left and right ends of the oil receiving box (307) are fixedly connected to the fixed plate (308). The outside of the fixed plate (308) is movably connected to a pull block (309). One end of the pull block (309) is fixedly connected to a pull rod (310). The end of the pull rod (310) away from the pull block (309) is fixedly connected to a limiting column (311).

3. The noise reduction automatic lifting door according to claim 2, characterized in that: The pull rod (310) and the limiting column (311) pass through the fixed plate (308) and are movably connected to the fixed plate (308); a pair of outer ends of the guide rails (301) are provided with limiting grooves (312); the limiting column (311) is movably connected inside the limiting grooves (312); and the limiting column (311) is adapted to the limiting grooves (312).

4. The noise reduction automatic lifting door according to claim 3, characterized in that: A spring (313) is provided outside the pull rod (310), one end of the spring (313) is fixedly connected to the pull rod (310), and the other end of the spring (313) is fixedly connected to the fixing plate (308).

5. The noise reduction automatic lifting door according to claim 1, characterized in that: The second noise reduction component (5) comprises a soundproof cover (501), and a sound absorbing board (502) is fixedly connected to the inner wall of the soundproof cover (501).

6. The noise reduction automatic lifting door according to claim 5, characterized in that: The lifting assembly (4) comprises a connecting plate (401), the connecting plate (401) being fixedly connected to the rear end of the door frame (1), the outer end of the connecting plate (401) being fixedly connected to a servo motor (402), the soundproof cover (501) being fixedly connected to the outer end of the connecting plate (401), and the servo motor (402) being fixedly connected to the interior of the soundproof cover (501).

7. The noise reduction automatic lifting door according to claim 6, characterized in that: The right end of the output end of the servo motor (402) is fixedly connected to a transmission shaft (403), the transmission shaft (403) is rotationally connected to the connecting plate (401), and the outside of the transmission shaft (403) is fixedly connected to a connecting rod (404).

8. The noise reduction automatic lifting door according to claim 7, characterized in that: The rear end of the lifting door panel (2) is fixedly connected to a second connecting plate (405), the outer end of the second connecting plate (405) is rotatably connected to a rotating shaft (406), the outer portion of the rotating shaft (406) is fixedly connected to a bracket (407), and the bracket (407) is rotatably connected to the connecting rod (404).

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