A mute type automatic rolling device of a full-box electric sunshade canopy

Abstract

The utility model discloses a kind of mute formula rolling shutter automatic telescopic device of full-box electric sunshade, it is related to electric sunshade technical field, including box frame, the inside of the box frame is provided with automatic telescopic mechanism for attenuating the sound when telescoping, and automatic telescopic mechanism includes: drive unit and moving unit, moving unit is arranged in the inside of box frame, including five groups of fixed seat fixedly installed in the inside of box frame, and a group of rolling grooves is set in the top of fixed seat, rubber pad is fixedly installed in the inside of rolling groove, secondary sliding frame and main sliding frame are slidably installed on the surface of fixed seat, by being provided with moving unit, rolling wheel rolls in the inside of rubber pad, traditional rigid sliding friction is converted into rolling friction, and the elasticity and sound-absorbing characteristics of rubber pad are utilized, effectively reduce the noise in the process of movement, make sunshade stretch quietly and stably, improve the degree of use comfort.

Description

Technical Field

[0001] This utility model relates to the field of electric sunshade technology, specifically to a silent automatic retractable roller blind device for a fully enclosed electric sunshade. Background Technology

[0002] The all-box electric awning is an outdoor shading device that combines aesthetics, practicality, and intelligent control, and is designed specifically for villa courtyards, balconies, terraces, and commercial spaces.

[0003] According to the patent titled "Electric Sunshade" (patent publication number: CN219029248U, patent publication date: 2023-05-16), it includes a box body, a canopy, and a support rod. One end of the canopy is mounted inside the box body via an electric rotating shaft, which is used to unfold and close the canopy. An outer baffle is provided at the end of the canopy away from the box body. One end of the support rod is hinged to the outer baffle, and the other end of the support rod is hinged to the vehicle body. The support rod is located below the outer baffle. The support rod is telescopic and self-locking when extended. When the canopy is unfolded outward, the support rod extends and self-locks. The support rod of this electric sunshade effectively supports the edge of the canopy, providing firm support and effectively preventing the canopy from sagging and swaying. Furthermore, the support rod can automatically extend, lock, and unlock without adding to the operation of existing electric sunshades, making it very convenient to use.

[0004] Based on the aforementioned existing technology, the current silent automatic retractable roller blind devices for fully enclosed electric awnings still have the following problems: traditional devices mostly use metal awning arms that slide directly within metal or plastic guide channels. This rigid sliding friction generates continuous and harsh friction noise. Therefore, this utility model provides a silent automatic retractable roller blind device for fully enclosed electric awnings. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a silent automatic retractable roller blind device for a fully enclosed electric awning. This solves the following problems with existing silent automatic retractable roller blind devices for fully enclosed electric awnings: traditional devices often use metal awning arms that slide directly within metal or plastic guide channels. This rigid sliding friction generates continuous, harsh friction noise.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a silent automatic retractable roller blind device for a fully enclosed electric sunshade, comprising a frame, wherein an automatic retractable mechanism is provided inside the frame to reduce the noise during retraction and extension, and the automatic retractable mechanism includes:

[0007] The drive unit is located inside the housing frame and is used to drive the moving unit;

[0008] The moving unit, located inside the box frame, includes five sets of fixed seats fixedly installed inside the box frame. A set of rolling grooves is opened on the top of the fixed seats. A rubber pad is fixedly installed inside the rolling grooves. A secondary slide frame and a main slide frame are slidably installed on the surface of the fixed seats. A set of shafts is fixedly installed inside the secondary slide frame and the main slide frame. A set of rollers is fixedly installed on the surface of the shafts. The rollers roll inside the rubber pads to achieve silent movement when the main slide frame and the secondary slide frame move.

[0009] Preferably, a folding sunshade is fixedly installed on the top of the main slide frame and the secondary slide frame, and the rear end of the folding sunshade is fixedly installed on the top rear side of the box frame.

[0010] Preferably, the drive unit includes four rear bearing seats fixedly installed inside the rear side of the box frame, a rear rotating shaft is rotatably installed inside the rear bearing seats, five active synchronous pulleys are fixedly installed on the surface of the rear rotating shaft, and a servo motor is fixedly installed on the right side of the box frame, with the output end of the servo motor passing through the box frame and fixedly connected to the rear rotating shaft.

[0011] Preferably, four sets of front bearing seats are fixedly installed inside the front side of the box frame, and a front rotating shaft is rotatably installed inside the front bearing seats. Five secondary synchronous pulleys are fixedly installed on the surface of the front rotating shaft, and a synchronous belt is fitted between the active synchronous pulley and the secondary synchronous pulleys.

[0012] Preferably, a fixing block is fixedly installed at the bottom of the inner cavity of the main slide frame, and the fixing block is fixedly installed on the surface of the timing belt. The timing belt is driven to rotate by the rotation of the active timing wheel and the secondary timing wheel, so that the fixing block drives the main slide frame to move.

[0013] Preferably, the front side of the box frame is provided with a drainage groove, and the drainage groove is connected to the inside of the rolling groove to realize drainage of the inside of the rolling groove.

[0014] This utility model provides a silent automatic retractable roller blind device for a fully electric sunshade. Compared with the prior art, it has the following advantages:

[0015] 1. The silent roller blind automatic retraction device of this fully electric sunshade has a moving unit. The rollers roll inside the rubber pad, which transforms the traditional hard sliding friction into rolling friction. By utilizing the elasticity and sound absorption properties of the rubber pad, the noise during the movement is effectively reduced, making the sunshade quiet and stable when retracting and extending, thus improving the comfort of use.

[0016] 2. The silent automatic retractable roller blind device of this fully electric sunshade features a drive unit. A servo motor drives the rear shaft, and the active synchronous pulley on the rear shaft is linked to the secondary synchronous pulley via a synchronous belt. The synchronous belt drives the fixed block, causing the main sliding frame to move, achieving efficient and stable drive. Simultaneously, the drainage channel on the front of the frame connects to the inside of the rolling groove, allowing rainwater or accumulated water to drain promptly, preventing the rubber pads and rollers from aging or corroding due to moisture. This ensures the device operates normally in harsh environments and extends its service life. Attached Figure Description

[0017] Figure 1 This is a right-side perspective view of the structure of this utility model;

[0018] Figure 2 This is a three-dimensional structural diagram of the box frame of this utility model;

[0019] Figure 3 This is a bottom perspective view of the automatic telescopic mechanism of this utility model.

[0020] Figure 4 This is a partial three-dimensional structural diagram of the mobile unit of this utility model;

[0021] Figure 5 This is a top-view perspective structural diagram of the automatic telescopic mechanism of this utility model.

[0022] In the diagram: 1-Box frame, 2-Automatic telescopic mechanism, 21-Drive unit, 211-Rear bearing seat, 212-Rear rotating shaft, 213-Active synchronous pulley, 214-Front bearing seat, 215-Secondary synchronous pulley, 216-Servo motor, 217-Synchronous belt, 218-Front rotating shaft, 22-Moving unit, 221-Fixed seat, 222-Rolling groove, 223-Rubber pad, 224-Secondary slide frame, 225-Shaft column, 226-Roller, 227-Main slide frame, 228-Fixed block, 229-Folding sunshade, 3-Drainage groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5 This utility model provides a technical solution:

[0025] A silent automatic retractable roller blind device for a fully enclosed electric sunshade includes a frame 1. An automatic retractable mechanism 2 is installed inside the frame 1 to reduce noise during retraction and extension. The automatic retractable mechanism 2 includes:

[0026] The drive unit 21 is disposed inside the box frame 1 and is used to drive the moving unit 22;

[0027] The moving unit 22 is located inside the box frame 1 and includes five sets of fixed seats 221 fixedly installed inside the box frame 1. A set of rolling grooves 222 is opened on the top of the fixed seats 221. A rubber pad 223 is fixedly installed inside the rolling grooves 222. A secondary slide frame 224 and a main slide frame 227 are slidably installed on the surface of the fixed seats 221. A set of shaft columns 225 is fixedly installed inside the secondary slide frame 224 and the main slide frame 227. A set of rollers 226 is fixedly installed on the surface of the shaft columns 225. The rollers 226 roll inside the rubber pads 223 to achieve silent movement when the main slide frame 227 and the secondary slide frame 224 move.

[0028] In this embodiment, a folding sunshade 229 is fixedly installed on the top of the main slide frame 227 and the secondary slide frame 224, and the rear end of the folding sunshade 229 is fixedly installed on the top rear side of the box frame 1.

[0029] This allows the folding awning 229 to unfold and retract smoothly when the main sliding frame 227 and the secondary sliding frame 224 move under the drive of the automatic telescopic mechanism 2, providing stable and reliable sunshade coverage.

[0030] In this embodiment, the drive unit 21 includes four rear bearing seats 211 fixedly installed inside the rear side of the box frame 1. A rear rotating shaft 212 is rotatably installed inside the rear bearing seat 211. Five active synchronous wheels 213 are fixedly installed on the surface of the rear rotating shaft 212. A servo motor 216 is fixedly installed on the right side of the box frame 1. The output end of the servo motor 216 passes through the box frame 1 and is fixedly connected to the rear rotating shaft 212.

[0031] The servo motor 216, model KV3SF-8521F-WR, is electrically connected to an external power supply and is operated by a human-controlled control panel. Power is provided by the servo motor 216, and torque is transmitted by the rear shaft 212 and the active synchronous pulley 213, realizing the drive source for automatic extension and retraction, with smooth operation and precise control.

[0032] In this embodiment, four sets of front bearing seats 214 are fixedly installed on the front side inside the box frame 1, and a front rotating shaft 218 is rotatably installed inside the front bearing seat 214. Five secondary synchronous pulleys 215 are fixedly installed on the surface of the front rotating shaft 218, and a synchronous belt 217 is fitted between the active synchronous pulley 213 and the secondary synchronous pulleys 215.

[0033] The timing belt 217 is supported by the front rotating shaft 218 and the secondary synchronous pulley 215, ensuring that the timing belt 217 remains stable during operation, reducing slippage and offset, and improving the efficiency and reliability of transmission.

[0034] In this embodiment, a fixing block 228 is fixedly installed at the bottom of the inner cavity of the main slide frame 227, and the fixing block 228 is fixedly installed on the surface of the synchronous belt 217. The synchronous belt 217 is driven to rotate by the rotation of the active synchronous wheel 213 and the secondary synchronous wheel 215, so that the fixing block 228 drives the main slide frame 227 to move.

[0035] The linear motion of the synchronous belt 217 is directly transmitted to the main slide frame 227, making the movement more precise and synchronized, avoiding the jamming problem in traditional drives, and improving the smoothness and response speed of extension and retraction.

[0036] In this embodiment, a drainage groove 3 is provided on the front side of the box frame 1, and the drainage groove 3 is connected to the inside of the rolling groove 222 to realize drainage of the inside of the rolling groove 222.

[0037] It can promptly drain rainwater or condensate, prevent moisture from accumulating in the rolling groove 222, protect the rubber pad 223 and roller 226 from moisture corrosion, extend the service life of the device, and ensure normal operation in humid environments, thus improving the adaptability and reliability of the device.

[0038] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0039] During operation, firstly, the servo motor 216 drives the rear shaft 212 to rotate, the rear shaft 212 drives the active synchronous wheel 213 to rotate, the active synchronous wheel 213 drives the synchronous belt 217 to rotate through the front shaft 218 and the secondary synchronous wheel 215, the synchronous belt 217 drives the fixed block 228 to move, and the fixed block 228 drives the main slide frame 227 to move.

[0040] Then, when the main slide frame 227 moves, the roller 226 rolls inside the rolling groove 222 and the rubber pad 223. The main slide frame 227 pulls the folding sunshade 229 and drives the secondary slide frame 224 to move synchronously, so that the folding sunshade 229 can provide flat sunshade.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A silent automatic retractable roller blind device for a fully enclosed electric sunshade, comprising a frame (1), characterized in that: The box frame (1) is equipped with an automatic telescopic mechanism (2) to reduce the noise during telescopic movement. The automatic telescopic mechanism (2) includes: A drive unit (21) is disposed inside the frame (1) and is used to drive the moving unit (22); The moving unit (22) is located inside the box frame (1) and includes five sets of fixed seats (221) fixedly installed inside the box frame (1). A set of rolling grooves (222) is opened on the top of the fixed seats (221). A rubber pad (223) is fixedly installed inside the rolling grooves (222). A secondary slide frame (224) and a main slide frame (227) are slidably installed on the surface of the fixed seats (221). A set of shafts (225) are fixedly installed inside the secondary slide frame (224) and the main slide frame (227). A set of rollers (226) are fixedly installed on the surface of the shafts (225). The rollers (226) roll inside the rubber pads (223) to achieve silent movement when the main slide frame (227) and the secondary slide frame (224) move.

2. The silent automatic retractable roller blind device for a fully electric sunshade according to claim 1, characterized in that: The main slide frame (227) and the secondary slide frame (224) are fixedly installed with folding sunshade (229), and the rear end of the folding sunshade (229) is fixedly installed on the rear side of the top of the box frame (1).

3. The silent automatic retractable roller blind device for a fully electric sunshade according to claim 1, characterized in that: The drive unit (21) includes four rear bearing seats (211) fixedly installed inside the rear side of the box frame (1). A rear rotating shaft (212) is rotatably installed inside the rear bearing seat (211). Five active synchronous pulleys (213) are fixedly installed on the surface of the rear rotating shaft (212). A servo motor (216) is fixedly installed on the right side of the box frame (1). The output end of the servo motor (216) passes through the box frame (1) and is fixedly connected to the rear rotating shaft (212).

4. The silent automatic retractable roller blind device for a fully electric sunshade according to claim 3, characterized in that: The box frame (1) has four sets of front bearing seats (214) fixedly installed on the front side inside, and a front rotating shaft (218) is rotatably installed inside the front bearing seat (214), and five secondary synchronous pulleys (215) are fixedly installed on the surface of the front rotating shaft (218), and a synchronous belt (217) is fitted between the active synchronous pulley (213) and the secondary synchronous pulleys (215).

5. The silent automatic retractable roller blind device for a fully electric sunshade according to claim 4, characterized in that: A fixing block (228) is fixedly installed at the bottom of the inner cavity of the main slide frame (227), and the fixing block (228) is fixedly installed on the surface of the synchronous belt (217). The synchronous belt (217) is driven to rotate by the rotation of the active synchronous wheel (213) and the secondary synchronous wheel (215), so that the fixing block (228) drives the main slide frame (227) to move.

6. The silent automatic retractable roller blind device for a fully electric sunshade according to claim 1, characterized in that: The front side of the box frame (1) is provided with a drainage groove (3), and the drainage groove (3) is connected to the inside of the rolling groove (222) to realize drainage of the inside of the rolling groove (222).

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