Roller shutter type rapid stacking door
By setting a combination of clamping parts and torsion springs inside the reel, the problem of replacing flexible stacked door curtains is solved, and rapid installation and stable fixation are achieved, labor intensity is reduced, and installation efficiency and sealing performance are improved.
Patent Information
- Application Number
- CN202421699540.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-07-18
AI Technical Summary
The curtains of existing flexible stacking doors will be damaged for a long time. They are inconvenient to disassemble and install when they need to be replaced and labor-intensive. The bolt fixation leads to trouble replacement.
The combination of clamping member and torsion spring is adopted. The clamping member is arranged in the plug groove inside the reel. The clamping force is provided by the torsion spring to realize automatic clamping and fixing of the door curtain, cancel bolt fixing, and simplify the installation process.
It realizes rapid installation and stable fixation of door curtains, reduces labor intensity, improves installation efficiency and sealing performance, and simplifies the replacement process.
Smart Images

Figure CN223136023U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of cold storage doors, and more specifically, relates to a rolling fast stacking door. Background Art
[0002] At present, the flexible stacking door is a new type of industrial door derived from the traditional rolling door. This product is generally applied to the door openings of cold storage workshops, factories or warehouses. It has the advantages of good heat preservation performance, strong sealing performance, stability and reliability, easy operation, easy maintenance, etc. The main production raw materials of the flexible stacking door are composed of a polyester mesh belt coated with polyvinyl chloride and a streamlined fiberglass-reinforced polyester board. Among them, the streamlined polyester mesh belt or fiberglass curtain sheet with a PVC coating is composed of a combination block with a thickness of 1 mm, and each large door is controlled by an electric control system;
[0003] The above-mentioned existing technical solutions have the following defects: the door curtain will be damaged after long-term use and needs to be replaced. Since the upper end of the door curtain is fixed on the surface of the upper reel through bolts or fasteners, it is not only inconvenient to disassemble and assemble, but also has a large labor intensity and is troublesome to replace. Summary of the Utility Model
[0004] To solve the defects existing in the above technologies, the utility model provides a rolling fast stacking door, aiming to improve the problem of troublesome replacement of the door curtain.
[0005] To achieve the above purpose, the technical solution of the utility model is as follows:
[0006] A rolling fast stacking door includes a door frame fixedly connected to the wall door opening, a driving device, and a clamping member arranged inside the reel;
[0007] Sliding channels are oppositely arranged on two side walls of the door frame, a door curtain is arranged inside the door frame, and the side edge of the door curtain is slidably clamped in the sliding channels;
[0008] The driving device includes a motor and a reel. The reel is rotatably installed at the upper end of the door frame, and the motor is in transmission connection with the reel; a plugging groove is arranged on the surface of the reel along the length direction, and the clamping member is used for clamping and fixing the upper end of the door curtain inserted into the plugging groove. One end of the clamping member is provided with a torsion spring for pushing the clamping member to act.
[0009] In an embodiment of the utility model, the door curtain includes curtain sheets and connecting bands. A plurality of curtain sheets are provided, the head and tail of adjacent curtain sheets are butted, and the plurality of curtain sheets are connected by the connecting bands.
[0010] In one embodiment of the utility model, the door frame is made of aluminum alloy material with anodized surface, the curtain piece is made of high-strength polyester fiber material with wear-resistant coating on the surface; the connecting belt is made of high-temperature resistant and corrosion-resistant rubber material.
[0011] In one embodiment of the utility model, a control system is also included, and the control system is used to control the operation of the motor to achieve automatic opening and closing of the door curtain; the motor adopts a variable frequency speed regulation motor, which can achieve smooth lifting and precise control of the door curtain.
[0012] In one embodiment of the utility model, the control system includes a controller and a sensor, the controller and the sensor are respectively installed on both sides of the door frame, and the sensor is used to detect the position and operating state of the door curtain;
[0013] A remote controller is also included, and the remote controller is used for remotely controlling the opening and closing of the stacking door.
[0014] In one embodiment of the utility model, a sealing device is also included. The sealing device is arranged between the door frame and the door curtain to improve the sealing performance of the stacking door.
[0015] In an embodiment of the utility model, the sealing device includes a sealing brush and a sealing strip, the sealing brush is arranged on the top and both sides of the door frame, and the sealing strip is arranged on the bottom of the door curtain.
[0016] In an embodiment of the utility model, the motor is fixedly connected to the door frame, a transmission shaft is coaxially fixed to one end of the reel, and one end of the transmission shaft is transmission-connected to the drive shaft of the motor via a gear.
[0017] Compared with the prior art, the utility model has the following advantages:
[0018] It is set inside the drum and is used to automatically clamp and fix the door curtain. The plug-in grooves on the drum surface along the length direction cooperate with the clamping piece to clamp and fix the upper end of the inserted door curtain. A torsion spring is provided at one end of the clamping piece to provide clamping force to ensure that the door curtain is clamped and fixed stably. Through the cooperation of the clamping piece and the torsion spring, the door curtain is automatically clamped. It is simple and quick to install without bolts, which improves installation efficiency and reduces labor intensity. At the same time, the clamping force is uniform, the door curtain fixing effect is good, and the door curtain can be quickly installed. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the rolling shutter type rapid stacking door in the embodiment of the utility model;
[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the reel in the embodiment of the utility model;
[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the side portion of the door frame in the embodiment of the utility model;
[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the interior of the reel in the embodiment of the utility model;
[0023] Figure 5 In the embodiment of the utility model Figure 4 Schematic diagram of the three-dimensional structure at A in the middle;
[0024] Figure 6 This is a schematic diagram of the three-dimensional structure of the clamping member in the embodiment of the utility model;
[0025] Figure 7 It is a schematic diagram of the cutaway structure of the reel in the embodiment of the utility model from the side.
[0026] In the figure: 10, door frame; 20, door curtain; 21, curtain piece; 22, connecting belt; 30, driving device; 31, motor; 32, transmission shaft; 33, reel; 34, clamping member; 40, control system; 41, controller; 42, sensor; 51, sealing brush; 52, sealing strip; 331, plug-in slot; 332, worm; 333, hexagonal groove; 341, rotating rod; 342, torsion spring; 343, docking slot; 344, tooth portion; 345, worm wheel. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments.
[0028] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0029] In the examples, unless otherwise specified, all the means used are conventional means in the art.
[0030] See also Figures 1-7 , the present application provides a rolling shutter type rapid stacking door, comprising a door frame 10 fixedly connected to a wall door opening, a driving device 30 and a clamping member 34 arranged inside the rolling drum 33;
[0031] Slideways are disposed on both side walls of the door frame 10, and a door curtain 20 is disposed inside the door frame 10. The side edges of the door curtain 20 are slidably engaged in the slideways.
[0032] The driving device 30 includes a motor 31 and a drum 33, the drum 33 is rotatably mounted on the upper end of the door frame 10, and the motor 31 is transmission-connected to the drum 33; a plug-in groove 331 is provided on the surface of the drum 33 along the length direction, and the clamping member 34 is used to clamp and fix the upper end of the door curtain 20 inserted into the plug-in groove 331, and one end of the clamping member 34 is provided with a torsion spring 342 for pushing the clamping member 34 to move.
[0033] It is arranged inside the drum 33 and is used to automatically clamp and fix the door curtain 20. The insertion groove 331 arranged along the length direction on the surface of the drum 33 cooperates with the clamping member 34 to clamp and fix the upper end of the inserted door curtain 20. A torsion spring 342 is arranged at one end of the clamping member 34 to provide clamping force to ensure that the door curtain 20 is clamped and fixed stably. Through the cooperation of the clamping member 34 and the torsion spring 342, the door curtain 20 is automatically clamped, and the installation is simple and fast without bolt fixing, which improves the installation efficiency and reduces the labor intensity. At the same time, the clamping force is uniform, the door curtain 20 is fixed effectively, and the door curtain 20 is quickly installed.
[0034] The door frame 10 is made of aluminum alloy material, and the surface is anodized, which has the advantages of high strength, corrosion resistance, and beautiful appearance. The door curtain 20 is formed by a plurality of flexible curtain pieces 21 connected to each other, and the curtain pieces 21 are connected by a connecting belt 22. The curtain pieces 21 are made of high-strength polyester fiber material, and the surface is coated with a wear-resistant coating, which has the advantages of high strength, wear resistance, and corrosion resistance. The connecting belt 22 is made of high-temperature resistant and corrosion-resistant rubber material, and has good flexibility and durability.
[0035] The driving device 30 includes a motor 31, a transmission shaft 32 and a reel 33. The motor 31 is a variable frequency speed regulating motor, and drives the reel 33 to rotate through the transmission shaft 32. The door curtain 20 is wound on the reel 33. When the motor 31 rotates, the reel 33 rotates accordingly, thereby realizing the lifting and lowering of the door curtain 20.
[0036] In an embodiment of the present invention, the door curtain 20 includes a curtain piece 21 and a connecting belt 22 . A plurality of curtain pieces 21 are provided, and adjacent curtain pieces 21 are butted end to end. The plurality of curtain pieces 21 are connected by the connecting belt 22 .
[0037] In one embodiment of the utility model, the door frame 10 is made of aluminum alloy material and the surface is anodized; the curtain piece 21 is made of high-strength polyester fiber material and the surface is coated with a wear-resistant coating; the connecting belt 22 is made of high-temperature resistant and corrosion-resistant rubber material.
[0038] In one embodiment of the utility model, a control system 40 is further included, and the control system 40 is used to control the operation of the motor 31 to achieve automatic opening and closing of the door curtain 20; the motor 31 adopts a variable frequency speed regulation motor, which can achieve smooth lifting and precise control of the door curtain 20.
[0039] In one embodiment of the utility model, the control system 40 includes a controller 41 and a sensor 42, which are respectively installed on both sides of the door frame 10, and the sensor 42 is used to detect the position and operating state of the door curtain 20; the sensor 42 is used to detect the position and operating state of the door curtain 20, and transmit the detection signal to the controller 41. The controller 41 controls the operation of the motor 31 according to the detection signal of the sensor 42 to realize the automatic opening and closing of the stacking door. The remote controller is used to remotely control the opening and closing of the stacking door, which is convenient for users to operate.
[0040] A remote controller is also included, and the remote controller is used for remotely controlling the opening and closing of the stacking door.
[0041] In one embodiment of the present invention, a sealing device is further included. The sealing device is arranged between the door frame 10 and the door curtain 20 to improve the sealing performance of the stacking door.
[0042] In one embodiment of the utility model, the sealing device includes a sealing brush 51 and a sealing strip 52, the sealing brush 51 is arranged on the top and both sides of the door frame 10, and the sealing strip 52 is arranged at the bottom of the door curtain 20. In order to improve the sealing performance of the stacking door, the present invention is also provided with a sealing device. The sealing device includes a sealing brush 51 and a sealing strip 52. The sealing brush 51 is arranged on the top and both sides of the door frame 10, and the sealing brush 51 contacts the door curtain 20 to play a sealing role. The sealing strip 52 is arranged at the bottom of the door curtain 20, and when the door curtain 20 is closed, the sealing strip 52 contacts the ground to further improve the sealing performance.
[0043] In an embodiment of the present invention, the motor 31 is fixedly connected to the door frame 10, a transmission shaft 32 is coaxially fixed to one end of the reel 33, and one end of the transmission shaft 32 is transmission-connected to the drive shaft of the motor 31 via a gear.
[0044] The motor 31 is fixedly connected to the door frame 10 by means of bolts or welding to ensure its stability and durability. One end of the drum 33 is coaxially and fixedly connected to the transmission shaft 32 through a spline or a coupling to ensure efficient and smooth transmission. One end of the transmission shaft 32 is provided with a gear that matches the drive shaft of the motor 31, and the power is transmitted through the meshing of the gears. This not only improves the transmission efficiency, but also ensures that the power generated by the motor 31 can be accurately transmitted to the drum 33 through the precise cooperation of the gears, thereby driving the opening and closing of the curtain 20. The whole device has a compact structure and is easy to install, providing users with a convenient and safe door opening experience.
[0045] In an embodiment of the present invention, the clamping member 34 is a rotating cylinder, and a docking groove 343 is provided on the surface of the rotating cylinder along the length direction. The docking groove 343 is correspondingly arranged with the insertion groove 331, and a tooth portion 344 is provided on one side edge of the docking groove 343 along the length direction.
[0046] The clamping member 34 is designed in the shape of a rotating cylinder, and a docking groove 343 is provided on its surface along the length direction. The docking groove 343 is correspondingly arranged with the insertion groove 331 in the device. This design enables the clamping member 34 to be clamped and docked through the cooperation of the insertion groove 331 and the docking groove 343, thereby enhancing the stability of the overall structure and the convenience of operation. In addition, a tooth portion 344 is provided on one side edge of the docking groove 343 along the length direction, further enhancing the firmness of clamping, preventing slippage, and ensuring a stable biting state during clamping.
[0047] In an embodiment of the present invention, the drum 33 is connected to a rotating rod 341. One end of the rotating cylinder is coaxially and rotatably connected to the rotating rod 341. The torsion spring 342 is sleeved on the surface of the rotating rod 341. The first leg of the torsion spring 342 is fixed to the rotating cylinder, and the second leg of the torsion spring 342 is fixed to the rotating rod 341.
[0048] The drum 33 is designed as a rotatable member, and a rotating rod 341 is fixedly connected to the central position inside it. The rotating rod 341 is coaxially arranged with the drum 33 and the clamping member 34 to ensure relative rotation among the drum 33, the clamping member 34, and the rotating rod 341. A torsion spring 342 is sleeved outside the rotating rod 341. One end of the torsion spring 342 is fixed to the drum 33, and the other end is fixed to the rotating rod 341. The design of this structure enables the torsion spring 342 to apply a torque between the rotating rod 341 and the drum 33. When the drum 33 rotates, the torsion spring 342 can store and release energy, thereby providing a function of automatic return torque. This design not only increases the flexibility and response speed of the mechanical device, but also improves its durability and reliability to a certain extent.
[0049] In an embodiment of the present utility model, the outer surface of the rotating cylinder is in sliding contact with the inner surface of the winding drum 33. The winding drum 33 is rotatably installed with a worm 332. A worm wheel 345 is coaxially fixed to the rotating rod 341. The worm 332 meshes with the worm wheel 345. An internal hexagonal groove 333 is formed at the end of the worm 332, and the internal hexagonal groove 333 is arranged on the outer surface of the winding drum 33.
[0050] The outer surface of the rotating cylinder is in sliding contact with the inner surface of the winding drum 33, reducing friction and improving the rotation efficiency. The winding drum 33 is rotatably installed with a worm 332 that meshes with the worm wheel 345. Since the worm wheel 345 is coaxially fixed to the rotating rod 341. An internal hexagonal groove 333 is formed at the end of the worm 332 to facilitate the rotation operation using tools such as an internal hexagonal wrench, thereby controlling the rotation of the rotating rod 341. At the same time, with the cooperation of the torsion spring 342, the clamping member 34 is indirectly driven to rotate, thereby adjusting the clamping force of the clamping member 34 on the curtain 20 and whether to clamp the curtain 20.
[0051] The above embodiments only represent several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the utility model patent.
[0052] It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.
Claims
1. A rolling fast stacking door, characterized in that, including a door frame (10) fixedly connected to a wall opening. Slideways are oppositely arranged on two side walls of the door frame (10). A curtain (20) is arranged inside the door frame (10), and the side edge of the curtain (20) is slidably clamped in the slideways; a driving device (30), the driving device (30) includes a motor (31) and a winding drum (33). The winding drum (33) is rotatably installed at the upper end of the door frame (10), and the motor (31) is in transmission connection with the winding drum (33); a clamping member (34) arranged inside the winding drum (33). A plugging groove (331) is formed in the surface of the winding drum (33) along the length direction. The clamping member (34) is used for clamping and fixing the upper end of the curtain (20) inserted into the plugging groove (331). One end of the clamping member (34) is provided with a torsion spring (342) for pushing the clamping member (34) to act; 2. The rolling rapid stacking door according to claim 1, characterized in that the curtain (20) includes curtain sheets (21) and connecting bands (22). A plurality of curtain sheets (21) are provided. Adjacent curtain sheets (21) are butt-jointed at the head and tail, and the plurality of curtain sheets (21) are connected by the connecting bands (22); 3. The rolling shutter type rapid stacking door according to claim 2, wherein the door frame (10) is made of aluminum alloy material and is subjected to anodic oxidation treatment on the surface. The curtain sheets (21) are made of high-strength polyester fiber material and are coated with a wear-resistant coating on the surface; the connecting bands (22) are made of rubber material with high temperature resistance and corrosion resistance; 4. The rolling rapid stacking door according to claim 1, wherein further comprising a control system (40), the control system (40) is used for controlling the operation of the motor (31); 5. The rolling shutter type rapid stacking door according to claim 4, characterized in that, the control system (40) includes a controller (41) and a sensor (42). The controller (41) and the sensor (42) are respectively installed on two sides of the door frame (10); further comprising a remote controller, the remote controller is used for remotely controlling the opening and closing of the stacking door; 6. The rolling fast stacking door according to claim 1, characterized in that further comprising a sealing device, the sealing device is arranged between the door frame (10) and the curtain (20) and is used for improving the sealing performance of the stacking door; 7. The rolling rapid stacking door according to claim 6, wherein, the sealing device includes a sealing brush (51) and a sealing strip (52). The sealing brush (51) is arranged at the top and two sides of the door frame (10), and the sealing strip (52) is arranged at the bottom of the curtain (20); 8. The rolling shutter type rapid stacking door according to claim 1, characterized in that, the motor (31) is fixedly connected to the door frame (10). One end of the winding drum (33) is coaxially fixed with a transmission shaft (32), and one end of the transmission shaft (32) is in transmission connection with the driving shaft of the motor (31) through a gear;