Automatic resetting device for PVC (polyvinyl chloride) quick door
Through the design of track plate and synchronous motor drive, a single drive and rapid reset of PVC fast door is achieved, solving the complex problems of synchronous drive in the prior art, and improving operating efficiency and equipment life.
Patent Information
- Application Number
- CN202422678082.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-11-04
AI Technical Summary
The closing and reset operations of existing PVC fast doors require synchronous unwinding and pulling drives, resulting in complex control and limited speed, affecting closing efficiency.
The design of track plate, track block, traction rope and synchronous motor drive is adopted. The sliding of the door cloth is achieved through a single winding wheel rotation, which is simplified into a single pulling drive, achieving rapid reset and closure.
It simplifies the operation process, improves the reset and closing speed of the door cloth, reduces equipment wear, and extends service life.
Smart Images
Figure CN223256680U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PVC fast doors, in particular to an automatic resetting device for PVC fast doors. Background Art
[0002] PVC fast door is a fast rolling door that uses PVC material (polyvinyl chloride) as the door curtain. The opening and closing speed of PVC fast door is usually much faster than traditional rolling door, which can reach a speed of several meters per second, which helps to improve work efficiency, reduce indoor and outdoor temperature exchange and save energy.
[0003] In actual use, to open the rapid door, it is only necessary to rotate the shaft at the end to reel in the door cloth. To close the rapid door, it is first necessary to unwind the shaft and then pull the bottom of the door cloth. These are not the same driving methods, and the two drives need to be kept synchronized. The control operation is relatively slow, and there is also a certain impact on the speed of resetting and closing. Therefore, it is necessary to design a rapid door that can perform single-way control resetting and closing. Utility Model Content
[0004] The purpose of the utility model is to provide an automatic resetting device for a PVC fast door to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: it includes track plates installed on both sides of the door hole, a door cloth is installed between the track plates, the track plates are composed of a vertical section, a horizontal section and an arc section, and the arc section is arranged between the horizontal section and the vertical section, a track groove is provided on the side close to the track plate, track blocks are fixed on both sides of the door cloth, the track blocks are slidably connected in the track groove, a wire groove is provided on the back of the track plate, the two ends of the wire on the track block are connected by a traction rope, the traction rope passes through the wire groove, a wire drum is fixed on the back of the track block, a winding wheel is rotatably connected in the wire drum, the middle position of the traction rope passes through the wire drum and is wound around the winding wheel.
[0006] Preferably, a synchronous motor for driving the wire drum to rotate is fixed on the outside of the wire drum, and a reducer is installed between the synchronous motor and the wire drum.
[0007] Preferably, mounting grooves are provided at both ends of the track plate, and end guide wheels are rotatably connected in the mounting grooves, and both sides of the end guide wheels are aligned with the track groove and the wire groove.
[0008] Preferably, an observation window is provided in the middle of the door cloth, and the door cloth is made of PVC material.
[0009] Preferably, the openings at both ends of the inner wall of the wire drum are rotatably connected to built-in guide wheels, the traction rope passes around the built-in guide wheels, and a non-slip and wear-resistant pad is fixed to the outside of the winding wheel.
[0010] Preferably, a mounting bracket is fixed to the upper end of the track plate.
[0011] Compared with the existing technology, the beneficial effect of the present invention is that when the door cloth is reset and closed, the original two drives of unwinding and pulling down are set to a single pulling drive. It is only necessary to drive the rotation of the winding wheel to drive the door cloth to slide between the track plates. There is no need to rewind the door cloth. The operation is simple and the automatic closing and resetting can be performed faster. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a side cross-sectional structural diagram of an automatic reset device for PVC fast door according to the present utility model;
[0013] Figure 2 This is a schematic diagram of the cross-sectional structure of the track plate end portion of a PVC fast door automatic reset device of the utility model;
[0014] Figure 3 This is a schematic diagram of the internal cross-sectional structure of a wire drum of an automatic reset device for a PVC fast door according to the present invention;
[0015] Figure 4 This is a schematic diagram of the combined structure of a winding wheel and a traction rope of an automatic resetting device for a PVC fast door of the utility model;
[0016] Figure 5 This is a schematic diagram of the appearance and structure of the door cloth of an automatic resetting device for a PVC fast door of the utility model.
[0017] In the figure: 1. Door hole; 2. Track plate; 21. Mounting frame; 22. Mounting slot; 23. Track slot; 24. Wire slot; 25. End guide wheel; 3. Door cloth; 31. Track block; 32. Traction rope; 33. Observation window; 4. Wire reel; 41. Synchronous motor; 42. Reducer; 43. Winding wheel; 44. Anti-slip and wear-resistant pad; 45. Built-in guide wheel. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0019] See also Figure 1-5The utility model provides a technical solution: it includes a track plate 2 installed on both sides of the door hole 1, and a door cloth 3 is installed between the track plates 2. The track plate 2 is composed of a vertical section, a horizontal section and an arc section, and the arc section is arranged between the horizontal section and the vertical section. A track groove 23 is opened on the side close to the track plate 2, and track blocks 31 are fixed on both sides of the door cloth 3. The track blocks 31 are slidably connected in the track groove 23. A wire groove 24 is opened on the back of the track plate 2. The two ends of the wire on the track block 31 are connected by a traction rope 32. The traction rope 32 passes through the wire groove 24. A wire drum 4 is fixed on the back of the track block 31. A winding wheel 43 is rotatably connected in the wire drum 4. The middle position of the traction rope 32 passes through the wire drum 4 and is wound around the winding wheel 43. A mounting frame 21 is fixed to the upper end of the track plate 2.
[0020] A synchronous motor 41 is fixed to the outside of the wire drum 4 to drive the wire drum 4 to rotate, and a reducer 42 is installed between the synchronous motor 41 and the wire drum 4. Installation grooves 22 are provided at both ends of the track plate 2. The end guide wheels 25 are rotatably connected in the installation grooves 22. The two sides of the end guide wheels 25 are aligned with the track grooves 23 and the wire grooves 24. An observation window 33 is provided in the middle position of the door cloth 3. The door cloth 3 is made of PVC material. The openings at both ends of the inner wall of the wire drum 4 are rotatably connected with built-in guide wheels 45. The traction rope 32 passes around the built-in guide wheel 45, and a non-slip and wear-resistant pad 44 is fixed to the outside of the winding wheel 43.
[0021] Working principle: First, connect the entire device to an external power source, and use the synchronous drive of the synchronous motor 41 to drive the winding wheel 43 to rotate. At this time, one end of the traction rope 32 will pull the track block 31, and the other point will be protected to ensure that the track slides along the track groove 23, thereby driving the track door cloth 3 to slide. When the door cloth 3 slides to the horizontal section and the arc section and is stuck, the door can be opened quickly. When resetting, only the reverse rotation of the output end of the synchronous motor 41 is required to complete the rapid composite closing operation of the door cloth 3. The entire composite closing operation does not require two drives for rewinding and pulling the door cloth 3. Only a single traction rope 32 is required to pull it. The operation is simpler and the resetting and closing speed is improved. The door cloth 3 does not need to be frequently rewound during the opening and closing process, which will also reduce the damage caused by rewinding and extend the service life.
[0022] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A PVC fast door automatic reset device, comprising track plates (2) mounted on both sides of a door opening (1), characterized in that: A door cloth (3) is installed between the track plates (2). The track plates (2) are composed of a vertical section, a horizontal section and an arc section, and the arc section is arranged between the horizontal section and the vertical section. A track groove (23) is provided on one side of the track plates (2) close to each other. Track blocks (31) are fixed on both sides of the door cloth (3). The track blocks (31) are slidably connected in the track groove (23). A wire groove (24) is provided on the back of the track plates (2). The two ends of the wire on the track block (31) are connected by a traction rope (32). The traction rope (32) passes through the wire groove (24). A wire drum (4) is fixed on the back of the track block (31). A winding wheel (43) is rotatably connected in the wire drum (4). The middle position of the traction rope (32) passes through the wire drum (4) and is wound around the winding wheel (43).
2. The automatic reset device for a PVC fast door according to claim 1, characterized in that: A synchronous motor (41) is fixed on the outside of the wire drum (4) to drive the wire drum (4) to rotate, and a speed reducer (42) is installed between the synchronous motor (41) and the wire drum (4).
3. The automatic reset device for a PVC fast door according to claim 1, characterized in that: The track plate (2) is provided with mounting grooves (22) at both ends. End guide wheels (25) are rotatably connected in the mounting grooves (22). Both sides of the end guide wheels (25) are aligned with the track grooves (23) and the wire grooves (24).
4. The automatic reset device for a PVC fast door according to claim 1, characterized in that: An observation window (33) is provided in the middle of the door cloth (3), and the door cloth (3) is made of PVC material.
5. The automatic reset device for a PVC fast door according to claim 1, characterized in that: The openings at both ends of the inner wall of the wire drum (4) are rotatably connected to built-in guide wheels (45), the traction rope (32) passes around the built-in guide wheels (45), and an anti-skid and wear-resistant pad (44) is fixed on the outside of the winding wheel (43).
6. The automatic reset device for a PVC fast door according to claim 1, characterized in that: A mounting frame (21) is fixed to the upper end of the track plate (2).