Compression-resistant structure for roller shutter door
By introducing anti-pressure components into the roller shutter door, the displacement problem of the rotating wheel under strong wind pressure is solved, the wind pressure resistance of the roller shutter door is enhanced, and the stability of the drive wheel and the normal operation of the door are ensured.
Patent Information
- Application Number
- CN202520341777.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing roller shutter doors are prone to shifting under strong wind pressure. The metal parts of the drive wheel may deform, affecting the normal operation of the door. Furthermore, the bolts connecting the drive wheel to the track may loosen, leading to unstable positioning.
A roller shutter door structure including a pressure-resistant component was designed. The pressure-resistant component includes components such as a combination plate, a combination ring, a positioning cylinder, an extension shaft, and a base. Through the cooperation of these components, the displacement of the rotating wheel is restricted, ensuring its stability under strong wind pressure.
It effectively prevents the rotating wheel from shifting under strong wind pressure, enhances the wind pressure resistance of the roller shutter door, and ensures the normal rotation of the drive wheel and the stable operation of the door.
Smart Images
Figure CN223952566U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a wind pressure resisting structure for a roller shutter door. BACKGROUND
[0002] A roller shutter door is a type of door widely used in commercial and residential buildings, commonly used in stores, warehouses, garages and other places. It is composed of multiple parallel arranged metal or plastic material made curtain pieces, which moves up and down along the track by electric or manual way to realize opening and closing.
[0003] Under the condition of strong wind pressure, the wind pressure on the roller shutter door is too large, which may cause the metal parts of the drive wheel to deform due to excessive pressure, affecting the normal operation of the door. The bolts connecting the drive wheel and the track may be loose under the action of wind pressure, causing the drive wheel position to be unstable, further aggravating the failure of the door. Based on this, the application provides a wind pressure resisting structure for a roller shutter door. SUMMARY
[0004] In view of the deficiencies of the prior art, the utility model provides a wind pressure resisting structure for a roller shutter door, which solves the problem that the metal parts of the drive wheel may deform due to excessive pressure under the action of strong wind on the existing roller shutter door, affecting the normal operation of the door.
[0005] The wind pressure resisting structure for a roller shutter door of the utility model, including the storage area for storage roller shutter door and the drive gear group arranged in the storage area one side, the drive gear group drives the roller shutter door to unfold and roll up through the drive;
[0006] The storage area includes a body, the inside of the body is provided with a center shaft, one end of which is matched with the drive gear group;
[0007] The outer side of the center shaft is provided with a pressure resisting assembly, which is arranged on the inside of the storage area and used for resisting the rotating wheel, the rotating wheel is sleeved on one end of the center shaft and matched with the inside of the storage assembly.
[0008] As a further improvement of the utility model, the pressure resisting assembly includes a combination plate, one side of the combination plate is provided with a combination ring, the combination ring is matched with one side of the rotating wheel.
[0009] As a further improvement of the utility model, the side of the combination plate close to the combination ring is provided with two positioning cylinders arranged symmetrically, the positioning cylinders are rotatably connected with the combination plate.
[0010] As a further improvement of the utility model, the inside of the positioning cylinder is provided with an extension shaft, one end of the extension shaft extends to one side of the combination ring.
[0011] As a further improvement of the utility model, the middle part of the combination ring is provided with a through hole, the through hole is matched with the center shaft, and the center shaft is fixed.
[0012] As a further improvement of the utility model, the combination ring is provided with a rotatable annular track on one side of the extension shaft, and the annular track is matched with one end of the extension shaft.
[0013] As a further improvement of the utility model, the bottom of the combination plate is provided with a base, and the base is fixed to the inner bottom of the storage area.
[0014] As a further improvement of the utility model, the inner side of the body is provided with a mounting area, the inner side of the mounting area is provided with a contact plate, and the contact plate is provided with a groove matched with the combination ring and the rotating wheel.
[0015] Compared with the prior art, the utility model has the beneficial effects as follows:
[0016] The utility model discloses a compression-resistant assembly, which can limit the displacement of the inner rotating wheel under strong wind pressure, keep it in a proper position, and further limit the position of the rotating wheel through the contact plate when in use, so that the rotating need of the rotating wheel can be better met, and the rotating wheel can be contacted under the limitation of the extension shaft when the combination ring and the combination plate are matched in use, so that the displacement of the rotating wheel caused by excessive pressure can be reduced. DRAWINGS
[0017] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.
[0018] Figure 1 It is a combined three-dimensional structure schematic view of the storage area, the drive gear set and the roller shutter door of the utility model;
[0019] Figure 2 It is a combined front view structure schematic view of the storage area, the drive gear set and the roller shutter door of the utility model;
[0020] Figure 3 It is a combined three-dimensional structure schematic view of the storage area, the drive gear set and the roller shutter door of the utility model; Figure 2 It is a combined three-dimensional structure schematic view of the storage area, the drive gear set and the roller shutter door of the utility model;
[0021] Figure 4 It is another side view structure schematic view of the storage area, the drive gear set and the roller shutter door of the utility model;
[0022] Figure 5 It is another side view structure schematic view of the storage area, the drive gear set and the roller shutter door of the utility model;Figure 4 Cross-sectional structure diagram of middle B-B;
[0023] Figure 6 For the utility model Figure 5 Enlarged structure diagram of middle A;
[0024] Figure 7 For the utility model anti-pressure assembly three-dimensional structure diagram;
[0025] Figure 8 For the utility model anti-pressure assembly another angle three-dimensional structure diagram.
[0026] In the figure: 1, storage area; 2, drive gear set; 3, roller shutter door; 4, center shaft; 5, abutment plate; 6, anti-pressure assembly;
[0027] 11, body; 12, mounting area; 13, rotating wheel;
[0028] 61, combined plate; 62, extension shaft; 63, combined ring; 64, positioning cylinder; 65, base; 66, through hole. DETAILED DESCRIPTION
[0029] The following will be illustrated to disclose the plurality of embodiments of the utility model, for clear description, many details on the real object will be described in the following description. However, it should be appreciated that these details on the real object should not be used to limit the utility model. That is, in some embodiments of the utility model, these details on the real object are unnecessary. In addition, for the purpose of simplifying the illustration, some conventional structures and components will be drawn in a simple schematic way in the drawings.
[0030] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on that a person skilled in the art can realize, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.
[0031] Please refer to Figures 1-8 The roller shutter door 3 is a kind of door type widely used in commercial and residential buildings, usually used in shop, warehouse, garage and other places. It is composed of multiple parallel arranged metal or plastic material made curtain piece, moves up and down along the track by electric or manual way, to realize opening and closing.
[0032] And in the state of strong wind pressure, the wind pressure received by the roller shutter door 3 is too large, which can cause the roller shutter door 3 to deviate, and under the action of strong wind, the metal parts of the driving wheel can be deformed due to excessive pressure, affecting the normal operation of the door. The bolts connecting the driving wheel and the track can be loose under the action of wind pressure, causing the driving wheel to be unstable, further aggravating the failure of the door. Based on this, the application provides an anti-pressure structure for a roller shutter door 3, which comprises a storage area 1 for storing the roller shutter door 3 and a driving gear set 2 arranged on one side of the storage area 1, and the driving gear set 2 drives the roller shutter door 3 to be unfolded and rolled up through a driving member;
[0033] The storage area 1 comprises a body 11, and a center shaft 4 is arranged on the inner side of the body 11, one end of the center shaft 4 being adapted to the driving gear set 2.
[0034] An anti-pressure assembly 6 is installed on the outer side of the center shaft 4, and the anti-pressure assembly 6 is arranged on the inner side of the storage area 1 and used for abutting against a rotating wheel 13.
[0035] The storage area 1 comprises a body 11 for storing the roller shutter door 3. The body 11 is internally provided with a center shaft 4, one end of the center shaft 4 being adapted to the driving gear set 2. An anti-pressure assembly 6 is installed on the outer side of the center shaft 4, and the assembly is arranged on the inner side of the storage area 1.
[0036] The driving gear set 2 drives the roller shutter door 3 to be unfolded and rolled up through a driving member. One end of the driving gear set 2 is adapted to the center shaft 4.
[0037] The anti-pressure assembly 6 is installed on the outer side of the center shaft 4 and used for abutting against the rotating wheel 13. The rotating wheel 13 is sleeved on one end of the center shaft 4 and adapted to the inner side of the storage area 1.
[0038] The anti-pressure assembly 6 comprises a combination plate 61 fixed on the inner side wall of the storage area 1. The position of the combination plate 61 is opposite to that of the rotating wheel 13, and a combination ring 63 is used for abutting against the rotating wheel 13 to prevent displacement of the rotating wheel 13 under strong wind pressure.
[0039] The rotating wheel 13 comprises a wheel body sleeved on one end of the center shaft 4. The outer side of the wheel body is adapted to the driving gear set 2, so as to ensure normal unfolding and rolling up of the roller shutter door 3.
[0040] A bearing is arranged on the inner side of the wheel body, so as to ensure smooth rotation of the rotating wheel 13. The bearing is tightly matched with the center shaft 4, so as to prevent the rotating wheel 13 from deviating under strong wind pressure.
[0041] The anti-pressure assembly 6 can effectively abut against the rotating wheel 13 to prevent displacement of the rotating wheel 13 due to strong wind pressure, and significantly enhance the wind pressure resistance of the roller shutter door 3.
[0042] The pressure-resistant component 6 includes a combination plate 61, and a combination ring 63 is provided on one side of the combination plate 61. The combination ring 63 is adapted to one side of the rotating wheel 13.
[0043] Two symmetrically arranged positioning cylinders 64 are provided on the side of the combination plate 61 near the combination ring 63, and the positioning cylinders 64 are rotatably connected to the combination plate 61.
[0044] An extension shaft 62 is installed on the inner side of the positioning cylinder 64, and one end of the extension shaft 62 extends to one side of the combination ring 63.
[0045] The combination plate 61 is one of the core components of the pressure-resistant assembly 6. It is fixed to the inner wall of the storage area 1 so that it can effectively resist the rotating wheel 13 and prevent it from shifting under strong wind pressure.
[0046] A combination ring 63 is provided on one side of the combination plate 61. The combination ring 63 is adapted to one side of the rotating wheel 13 so that it can fit tightly with the rotating wheel 13 to ensure stability during rotation.
[0047] Two symmetrically arranged positioning cylinders 64 are provided on the side of the combined plate 61 near the combined ring 63. These two positioning cylinders 64 are rotatably connected to the combined plate 61 to ensure its stability under strong wind pressure.
[0048] An extension shaft 62 is installed on the inner side of the positioning cylinder 64. One end of the extension shaft 62 extends to one side of the combination ring 63, which can further restrict the position of the rotating wheel 13 and prevent it from shifting under strong wind pressure.
[0049] The wheel body of the rotating wheel 13 fits tightly with the combination ring 63 to ensure smoothness and stability during rotation. The adaptive design of the combination ring 63 and the rotating wheel 13 enables it to remain stable under strong wind pressure, and the design of the extension shaft 62 allows it to effectively resist the rotating wheel 13, reducing its displacement due to excessive pressure.
[0050] The tight fit between the combination ring 63 and the rotating wheel 13 ensures the stability of the rotating wheel 13 under strong wind pressure and prevents it from shifting due to excessive pressure.
[0051] The extension shaft 62 can further restrict the position of the rotating wheel 13, effectively reducing its displacement under strong wind pressure and enhancing the wind pressure resistance of the roller shutter door 3.
[0052] Two symmetrically arranged positioning cylinders 64 are rotatably connected to the combination plate 61 to ensure its stability under strong wind pressure and prevent the rotating wheel 13 from shifting.
[0053] One end of the extension shaft 62 extends to one side of the combination ring 63, which can effectively resist the rotating wheel 13, reduce its displacement due to excessive pressure, and maintain the normal rotation of the rotating wheel 13.
[0054] The middle part of the combination ring 63 is provided with a through hole 66 matched with the center shaft 4 for fixing the center shaft 4.
[0055] The side of the combination ring 63 located at the extension shaft 62 is provided with a rotatable annular track matched with one end of the extension shaft 62.
[0056] The bottom of the combination plate 61 is provided with a base 65 fixed with the inner bottom of the storage area 1.
[0057] The inner side of the body 11 is provided with a mounting area 12, and the inner side of the mounting area 12 is provided with a resisting plate 5 with a groove matched with the combination ring 63 and the rotating wheel 13.
[0058] The middle part of the combination ring 63 is provided with a through hole 66 matched with the center shaft 4 for fixing the center shaft 4, so that the combination ring 63 can be firmly fixed on the center shaft 4 and displacement under strong wind pressure is prevented.
[0059] The side of the combination ring 63 located at the extension shaft 62 is provided with a rotatable annular track matched with one end of the extension shaft 62, so that the extension shaft 62 can rotate smoothly in the annular track and the position of the rotating wheel 13 is limited.
[0060] The bottom of the combination plate 61 is provided with a base 65 fixed with the inner bottom of the storage area 1. The base 65 is designed to be firmly fixed to the inner side of the storage area 1, so that the stability of the combination plate 61 under strong wind pressure is ensured.
[0061] The inner side of the combination plate 61 is provided with a mounting area 12, and the inner side of the mounting area 12 is provided with a resisting plate 5. The resisting plate 5 further resists the rotating wheel 13 to prevent displacement under strong wind pressure.
[0062] The resisting plate 5 is provided with a groove matched with the combination ring 63 and the rotating wheel 13. The groove is designed to enable the combination ring 63 and the rotating wheel 13 to move smoothly in the groove, so that the stability of the rotating wheel 13 during rotation is ensured.
[0063] The above is only an embodiment of the present application and is not used to limit the present application. The present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the scope of the claims of the present application.
Claims
1. A compression-resistant structure for a roller shutter door, comprising a receiving area (1) for receiving a roller shutter door (3) and a drive gear set (2) arranged on one side of the receiving area (1), the drive gear set (2) being configured to drive the roller shutter door (3) to be unfolded and rolled up; characterized in that: the receiving area (1) comprises a body (11), an inner side of the body (11) being provided with a central shaft (4), one end of the central shaft (4) being adapted to the drive gear set (2); an outer side of the central shaft (4) is provided with a compression-resistant assembly (6), the compression-resistant assembly (6) being arranged on an inner side of the receiving area (1) and configured to abut against a rotating wheel (13), the rotating wheel (13) being sleeved on one end of the central shaft (4) and adapted to an inner side of the receiving assembly. The compression-resistant assembly (6) comprises a combination plate (61), one side of the combination plate (61) being provided with a combination ring (63), the combination ring (63) being adapted to one side of the rotating wheel (13). An inner side of the combination plate (61) is provided with two positioning cylinders (64) arranged symmetrically, the positioning cylinders (64) being rotatably connected to the combination plate (61). An inner side of the positioning cylinder (64) is provided with an extension shaft (62), one end of the extension shaft (62) extending to one side of the combination ring (63).
2. The compression-resistant structure for a roller shutter door according to claim 1, characterized in that: A middle part of the combination ring (63) is provided with a through hole (66), the through hole (66) being adapted to the central shaft (4) and configured to fix the central shaft (4).
3. A compression-resistant structure for a roller shutter door according to claim 2, characterized in that: One side of the combination ring (63) is provided with a rotatable annular track, the annular track being adapted to one end of the extension shaft (62).
4. The compression-resistant structure for a roller shutter door according to claim 3, characterized in that: A bottom of the combination plate (61) is provided with a base (65), the base (65) being fixed to an inner bottom of the receiving area (1).
5. The compression-resistant structure for a roller shutter door according to claim 2, characterized in that: An inner side of the body is provided with a mounting area (12), an inner side of the mounting area (12) is provided with an abutting plate (5), the abutting plate (5) being provided with grooves adapted to the combination ring (63) and the rotating wheel (13).
6. The compression-resistant structure for a roller shutter door according to claim 3, characterized in that: 7. The compression-resistant structure for a roller shutter door according to claim 3, characterized in that: 8. The compression-resistant structure for a roller shutter door according to claim 1, characterized in that: