High-wind-resistance PVC rapid door curtain

By adopting an inverted V-shaped structure and sliding connection design in the PVC fast door curtain, the problem of hard work and poor wind resistance of the curtain plate is solved, and more labor-saving sliding and higher wind resistance are achieved.

CN222863274UActive Publication Date: 2025-05-13YUTIAN GUANYU PLASTIC CO LTD
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Patent Information

Application Number
CN202421625127.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-05-13
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The existing PVC fast door curtains are easily affected by friction when moving, and they are struggling to slide and wear severely. The flat structure of the curtain plate is poor to wind resistance, which reduces the usage rate.

Method used

A high wind resistance PVC fast door curtain is designed, and the first inclined plate and the second inclined plate with an inverted V-shaped structure is used to combine the sliding connection of the strip slide groove and the strip slide. The friction resistance is reduced by using the rolling ball and the rolling groove, and the sealing and movable connection of the curtain plate is ensured through the sealing strip.

Benefits of technology

The inverted V-shaped structure buffers the wind force, dispersing the impact force, and improving the wind resistance of the door curtain; at the same time, the design of the sliding connection reduces friction resistance, reduces wear, and improves the labor-saving and utilization rate of sliding.

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Abstract

The utility model discloses a high-wind-resistance PVC fast door curtain which comprises a first curtain plate, a second curtain plate, a third curtain plate and a fourth curtain plate. The second curtain plate is positioned at the bottom of one end of the first curtain plate and is hermetically connected with the first curtain plate; the connecting assemblies are located on the two sides of the first curtain plate and the second curtain plate. The number of the second curtain plates is six, the six sets of second curtain plates and the six sets of first curtain plates each comprise a first inclined plate and a second inclined plate, and sealing strips are arranged at the bottoms of one ends of the first inclined plates and the bottoms of one ends of the second inclined plates. According to the utility model, the two adjacent groups of curtain plates are always in a serial connection state during sliding, so that the use continuity of the door curtain is ensured, and the first inclined plate and the second inclined plate which are of the inverted V-shaped structure are used for buffering the passing wind impact force, so that the separation is influenced by the inverted V-shaped structure and is dispersed towards the two sides, and the effects of dispersing the impact force and improving the safety of the door curtain are achieved. And the direct influence of strong wind on the door curtain is reduced, so that the wind resistance of the door curtain is improved to a certain extent.
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Description

Technical Field

[0001] The utility model relates to the technical field, in particular to a high-wind-resistant PVC fast door curtain. Background Art

[0002] Fast rolling shutter door is also called fast door, industrial fast door, high-speed door, PVC rolling shutter door, PVC fast door, PVC fast rolling shutter door. The door body is made of industrial base cloth of polyester fiber cloth or fully transparent PVC soft curtain.

[0003] In order to effectively solve the defects of the existing PVC rolling curtain fast door, such as poor wind resistance, high operating noise, hard friction, and inability to open and close manually, a high wind resistance PVC rolling curtain fast door without wind resistance ribs is presented (specifically refer to patent number: 201120328559.9), which involves a soft rolling curtain electric door, which is composed of a driver, a door shaft, a drum, a PVC door curtain, a sprocket and a spring. The door shaft is fixedly connected to the drum, the PVC door curtain is fixedly connected to the drum, the spring is sleeved on the door shaft, the two ends of the spring are respectively fixedly connected to the sprocket and the drum spoke on the same side, and the sprocket is connected to the door shaft through an inner bearing. Since the PVC door curtain is always in a tensioned state, the PVC door curtain can be very tight, and the utility model is evenly stressed and has strong wind resistance.

[0004] However, when the curtain plates on the existing PVC fast door curtain move, the movable end is easily affected by friction, making it more difficult to slide, which causes greater wear over a long period of time. Moreover, when affected by wind, due to the planar structure of the curtain plate, its wind resistance is poor, thereby reducing its utilization rate. Utility Model Content

[0005] The utility model aims to solve the problems that when the curtain plates on the existing PVC fast door curtain are moving, the movable ends are easily affected by friction, making it more difficult to slide, causing greater wear over a long period of time, and when affected by wind, the curtain plates have a planar structure, making them less resistant to wind, thereby reducing the utilization rate, and to provide a highly wind-resistant PVC fast door curtain.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a high wind resistance PVC fast door curtain, comprising:

[0007] The first curtain board is used to cover the door;

[0008] A second curtain plate is located at the bottom of one end of the first curtain plate and is sealed to the first curtain plate;

[0009] A connecting assembly is located on both sides of the first curtain plate and the second curtain plate;

[0010] The number of the second curtain plates is six groups, and the six groups of the second curtain plates and the first curtain plates all include a first inclined plate and a second inclined plate, the bottoms of one end of the first inclined plate and the second inclined plate are both provided with sealing strips, the connecting components all include a flat plate, a side of one end of the flat plate away from the first inclined plate is provided with a strip slide groove, the bottom end of the other side of the flat plate and the end away from the first inclined plate is provided with a strip slider matching the strip slide groove, and the top and bottom of the end of the strip slider away from the flat plate are both embedded with rolling balls.

[0011] As a further solution of the utility model: the top and bottom of the strip slider away from the flat plate are both provided with rolling grooves matching the rolling balls, the rolling balls are located inside the rolling grooves, and one group of the flat plates is slidably connected to one group of the flat plates through the mutual cooperation of the strip slider, the rolling grooves, the rolling balls and the strip slide grooves.

[0012] As a further solution of the utility model: the end surface of the first curtain plate and the second curtain plate of one column adjacent to each other and the end surfaces of two adjacent groups of the second curtain plates adjacent to each other are all sealed and movably connected by a sealing strip.

[0013] As a further solution of the present invention: the first inclined plate and the second inclined plate are in an inverted V-shaped structure.

[0014] As a further solution of the present invention: the inclination angle of the first inclined plate toward the left rear is 10°, and the inclination angle of the second inclined plate toward the right rear is 10°.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. By setting the first curtain plate, the second curtain plate and the connecting assembly, when in use, the two adjacent groups of curtain plates are connected in series by means of the strip sliding groove and the strip sliding block, so that the two adjacent groups of curtain plates are always in a series state when sliding, thereby ensuring the continuity of the use of the door curtain. At the same time, a rolling ball and a rolling groove are set at the sliding connection end, and the inertia and rolling property of the rolling ball are used to reduce the friction resistance of the movable end, thereby reducing the degree of wear, making it more labor-saving to slide, and improving the utilization rate;

[0017] 2. By setting the first curtain plate and the second curtain plate, when in use, the first inclined plate and the second inclined plate of the inverted V-shaped structure are used to buffer the impact force of the wind passing through, so that the separation is dispersed to both sides under the influence of the inverted V-shaped structure, which plays a role in dispersing the impact force and reducing the direct impact of strong wind on the door curtain, thereby improving the wind resistance of the door curtain to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2It is a schematic diagram of the structure of the utility model;

[0020] Figure 3 It is a partial structural schematic diagram of the utility model;

[0021] Figure 4 For the utility model Figure 3 A is an enlarged view of the middle image.

[0022] In the figure: 1, first curtain plate; 2, first curtain plate; 201, first inclined plate; 202, second inclined plate; 203, sealing strip; 3, connecting component; 301, flat plate; 302, strip slide groove; 303, strip slider; 304, rolling groove; 305, rolling ball. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0025] See also Figures 1 to 4 In the embodiment of the utility model, a high wind resistance PVC fast door curtain comprises:

[0026] The first curtain plate 1 is used to cover the door;

[0027] The second curtain plate 2 is located at the bottom of one end of the first curtain plate 1 and is sealed and connected to the first curtain plate 1;

[0028] A connecting assembly 3 is located on both sides of the first curtain plate 1 and the second curtain plate 2;

[0029] The number of the second curtain plates 2 is six groups, and the six groups of second curtain plates 2 and the first curtain plates 1 all include a first inclined plate 201 and a second inclined plate 202, the bottom of one end of the first inclined plate 201 and the second inclined plate 202 are both provided with a sealing strip 203, the connecting components 3 all include a flat plate 301, one end of the flat plate 301 away from the first inclined plate 201 is provided with a strip slide groove 302, the bottom end of the other side of the flat plate 301 and away from the first inclined plate 201 is provided with a strip slider 303 matching the strip slide groove 302, and the top and bottom of the end of the strip slider 303 away from the flat plate 301 are both rolled and embedded with rolling balls 305.

[0030] Please refer to Figure 1 , 2 , 3 and 4, the top and bottom of the end of the strip slider 303 away from the flat plate 301 are both provided with rolling grooves 304 matching with the rolling balls 305, and the rolling balls 305 are located inside the rolling grooves 304. One group of flat plates 301 is slidably connected with one group of flat plates 301 through the cooperation of the strip slider 303, the rolling grooves 304, the rolling balls 305 and the strip slide grooves 302, so as to reduce the friction resistance of the movable end, thereby playing a role in noise reduction to a certain extent.

[0031] Please refer to Figure 1 , 2 And 3, the end surface of the first curtain plate 1 adjacent to the second curtain plate 2 of one column and the end surfaces of two adjacent groups of second curtain plates 2 are all sealed and movably connected by the sealing strip 203, ensuring the sealing between each group of door curtain plates and achieving better forehead shielding effect.

[0032] Please refer to Figure 1 , 2 And 3, the first inclined plate 201 and the second inclined plate 202 are in an inverted V-shaped structure, and the first inclined plate 201 and the second inclined plate 202 with the inverted V-shaped structure are used to buffer the impact force of the wind passing through, so that the separation is affected by the inverted V-shaped structure and dispersed to both sides, thereby dispersing the impact force and reducing the direct impact of strong wind on the door curtain.

[0033] Please refer to Figure 1 , 2 and 3, the first inclined plate 201 has an inclination angle of 10° toward the left rear, and the second inclined plate 202 has an inclination angle of 10° toward the right rear.

[0034] The working principle of the utility model is as follows: when in use, strip grooves 302 and strip sliders 303 are used between two adjacent groups of curtain plates, so that the two adjacent groups of curtain plates are always in a series state when sliding, thereby ensuring the continuity of the use of the door curtain. At the same time, a rolling ball 305 and a rolling groove 304 are arranged at the sliding connection end, and the inertia and rolling property of the rolling ball 305 are used to reduce the friction resistance on the movable end, thereby reducing the degree of wear, making it more labor-saving to slide, and improving the utilization rate. The first inclined plate 201 and the second inclined plate 202 of the inverted V-shaped structure are used to buffer the impact force of the passing wind, so that the separation is dispersed to both sides by the influence of the inverted V-shaped structure, thereby dispersing the impact force and reducing the direct impact of strong wind on the door curtain, thereby improving the wind resistance of the door curtain to a certain extent.

[0035] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high wind resistance PVC fast door curtain, characterized in that: include: A first curtain plate (1) is used to cover the door; A second curtain plate (2) is located at the bottom of one end of the first curtain plate (1) and is sealed and connected to the first curtain plate (1); A connecting assembly (3) is located on both sides of the first curtain plate (1) and the second curtain plate (2); The number of the second curtain plates (2) is six, and the six groups of the second curtain plates (2) and the first curtain plates (1) all include a first inclined plate (201) and a second inclined plate (202), the bottom of one end of the first inclined plate (201) and the second inclined plate (202) are both provided with a sealing strip (203), the connecting components (3) all include a flat plate (301), one end of the flat plate (301) away from the first inclined plate (201) is provided with a strip slide groove (302), the bottom of the other side of the flat plate (301) and away from the first inclined plate (201) is provided with a strip slide groove (303) matching the strip slide groove (302), and the top and bottom of the end of the strip slide groove (303) away from the flat plate (301) are both embedded with rolling balls (305).

2. The high wind resistance PVC fast door curtain according to claim 1, characterized in that: The top and bottom of the strip-shaped slider (303) at one end away from the flat plate (301) are both provided with rolling grooves (304) matching with the rolling balls (305), and the rolling balls (305) are located inside the rolling grooves (304). One group of the flat plates (301) is slidably connected to one group of the flat plates (301) through the mutual cooperation of the strip-shaped slider (303), the rolling grooves (304), the rolling balls (305) and the strip-shaped sliding grooves (302).

3. The high wind resistance PVC fast door curtain according to claim 1, characterized in that: The end surface of the first curtain plate (1) and one of the columns of the second curtain plate (2) and the end surfaces of two adjacent groups of the second curtain plates (2) are sealed and movably connected via a sealing strip (203).

4. The high wind resistance PVC fast door curtain according to claim 1, characterized in that: The first inclined plate (201) and the second inclined plate (202) are in an inverted V-shaped structure.

5. The high wind resistance PVC fast door curtain according to claim 1, characterized in that: The first inclined plate (201) has an inclination angle of 10° toward the left rear, and the second inclined plate (202) has an inclination angle of 10° toward the right rear.

Citation Information

Patent Citations

  • High wind resistance polyvinyl chloride (PVC) fast shutter door without wind resistance ribs

    CN202325168U