Non-hinged fan door opener

Abstract

The application relates to the technical field of door openers, and particularly discloses a non-connected type door opener for a hinged door, which comprises a fixing frame and further comprises a rotating frame and a bidirectional control device, the bidirectional control device is installed on the inner side of the fixing frame, the bidirectional control device is connected with the rotating frame, the rotating frame can drive the hinged door to rotate, the bidirectional control device can drive the rotating frame to rotate through power driving or manual pushing, the power rotating mode and the manual rotating mode do not affect each other, the situation that the hinged door is stuck because of power driving problems is avoided, therefore, personnel entering or leaving can select a contact mode or a non-contact power driving mode according to the situation, the stable return device can control the rotating speed of the rotating frame, the rotating frame is prevented from driving the door to rotate rapidly and collide, the hinged door is driven to rotate when the inner side of the door collides with resistance, and a safety protection function is achieved.

Description

Technical Field

[0001] This invention relates to the field of door opener technology, specifically a non-connected fan door opener. Background Technology

[0002] A door opener is a drive consisting of a motor, a speed-changing mechanism, and a clutch device. It is an electromechanical product and is mainly used to realize the electric opening and closing of various doors. Currently, door openers can only realize electric opening and cannot realize both manual and electric opening. Moreover, if the electric door opener malfunctions during use, the door is prone to jamming. Therefore, in many public places such as toilet entrance doors, fire exits, restaurant private room and kitchen entrances and other public areas with high personnel traffic, manual door opening is still used to avoid the situation of the door jamming. Manual door opening does not free up people's hands, making it inconvenient to open the door when they are holding things. In addition, in places with frequent people coming and going, contact-based door opening increases the probability of bacterial infection. Therefore, we propose a non-connected fan door opener. Summary of the Invention

[0003] The purpose of this invention is to provide a non-connected fan door opener to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a non-connected fan door opener, comprising: a fixing frame, and further comprising; A rotating frame is rotatably mounted inside a fixed frame, and the rotating frame drives the fan door to rotate. A two-way control device is installed inside the fixed frame, and the two-way control device drives the rotating frame to rotate. A safety speed limiting device is installed on the top of the rotating frame; A stabilizing return device is installed on the outside of the rotating frame, and the stabilizing return device controls the rotation of the rotating frame.

[0005] The bidirectional control device includes a sector gear rotatably mounted inside the fixed frame, a buffer spring movably mounted on one side of the sector gear, and one end of the buffer spring mounted inside one end of the rotating frame. The sector gear is meshed with a drive gear on its outer side, and a drive motor is mounted on the bottom of the drive gear. The drive motor is mounted on the inner side of the fixed frame via a motor bracket.

[0006] The sector gear has a connecting groove on one side and the rotating frame at one end, and the two connecting grooves are respectively fastened to the two ends of the buffer spring.

[0007] The sector gear is provided with a positioning arc groove, and the fixing frame is provided with a positioning rod inside the positioning arc groove.

[0008] The stable return device includes a first rotating gear installed on the outer side of the top of the rotating frame, a second rotating gear meshing with the outer side of the first rotating gear, and a rotating motor installed at the center of the second rotating gear via a one-way bearing. The rotating motor is installed on the inner side of the fixed frame via a motor frame.

[0009] The safety speed limiting device includes a rotating disk installed on the top of the rotating frame, a fixing device installed on the inner side of the rotating disk, and a plurality of locking blocks that engage with the fixing device on the outer side of the fixing device. Each of the multiple snap-fit ​​blocks has a retaining ring installed on its outer side, and the retaining ring is installed on the inner side of the fixing frame.

[0010] The fixing device includes two buckle plates that are rotatably installed on both sides of the rotating disk, and one end of each buckle plate is provided with a buckle groove that engages with the buckle block. A rotating rod is rotatably mounted between the two buckle plates at their closest points; A reset device is provided between the other ends of the two buckle plates that are close to each other.

[0011] The reset device includes a reset rod installed between two snap plates, one end of which is rotatably connected to the outer side of the top of the rotating disk via a pin. A compression spring is installed on the outer side of one end of the reset rod, and a sliding rod is installed on the other end of the compression spring. One end of the sliding rod is slidably sleeved on the outer side of the reset rod, and the other end of the sliding rod is rotatably connected to the outer side of one end of the buckle plate through a pin.

[0012] The present invention has at least the following beneficial effects: The bidirectional control device is connected to the rotating frame, which can drive the door to rotate. The bidirectional control device can drive the frame to rotate electrically or manually, and the two methods of rotation are independent of each other, preventing the door from getting stuck due to problems with the electric drive. Therefore, people entering and exiting can choose to open the door by contact or by electric drive, depending on the situation. The stabilizing return device can control the rotation speed of the rotating frame to prevent the rotating frame from driving the door to rotate too quickly and causing a collision. At the same time, when the door encounters resistance on the inside, it will rotate the door back, providing a safety protection function. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the main structure of the present invention; Figure 2This is a rear view schematic diagram of the structure of the present invention; Figure 3 This is a top view of the structure of the present invention; Figure 4 This is a cross-sectional view of the structure of the present invention; Figure 5 This is a partial side view of the structure of the present invention; Figure 6 This is a schematic diagram of the structure of the present invention; Figure 7 This is a top view schematic diagram of the structural safety speed limiting device of the present invention.

[0014] In the diagram: 1. Fixed frame; 2. Rotating frame; 3. Two-way control device; 4. Safety speed limiting device; 5. Stable return device; 30. Sector gear; 31. Drive gear; 32. Drive motor; 33. Buffer spring; 34. Connecting groove; 35. Positioning arc groove; 36. Positioning rod; 50. First rotating gear; 51. Second rotating gear; 52. Rotary motor; 40. Rotating disk; 41. Fixed device; 42. Clip block; 43. Fixed ring; 44. Clip plate; 45. Clip groove; 46. Rotating rod; 47. Reset device; 48. Reset rod; 49. Compression spring; 490. Sliding rod. Detailed Implementation

[0015] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example 1

[0016] Please see Figures 1 to 7 The present invention provides a technical solution: a non-connected fan door opener, comprising: a fixing frame 1, and further comprising; Rotating frame 2 is rotatably mounted on the inner side of fixed frame 1 via bearings, and rotating frame 2 drives the fan door to rotate; The bidirectional control device 3 is installed on the inner side of the fixed frame 1, and the bidirectional control device 3 drives the rotating frame 2 to rotate. Safety speed limiting device 4 is installed on the top of the rotating frame 2; The stabilizing return device 5 is installed on the outside of the rotating frame 2 and controls the rotation of the rotating frame 2. When in use, fix the entire door opener in the installation position, fix the door on the rotating frame 2, and install a controller at the bottom of the door that is easy for people to touch with their feet. When people gently press the controller with their feet, they can control the two-way control to rotate and open. The two-way control device 3 opens and drives the rotating frame 2 to rotate, thereby driving the door to open. In this way, when people enter and exit, even if they have something in their hands and it is inconvenient to open the door, or if they do not want to directly touch the door in public places, they can still control the door to open and enter. Alternatively, people can push the door open directly, or they can manually open the door to enter. When the door closes, the stabilizing return device 5 will automatically open, and the auxiliary two-way control device 3 will drive the rotating frame 2 and the door to rotate in a stable return position. When the door is suddenly opened by an impact and the opening speed is relatively fast, the safety speed limiting device 4 will restrict the rotation of the rotating frame 2 and the door. When it is only a single sudden impact, the safety speed limiting device 4 will release the jamming of the door, and the door can continue to open.

[0017] Therefore, this door opener uses a non-contact method to open the door, which can avoid contact with the door in places where people frequently enter and exit, reduce the chance of bacterial infection, free up your hands, and you can open and close the door simply by starting the controller, but it does not lose the function of manual opening and closing. It can be turned on and off for extended periods of time, making it more than sufficient for use in places with high public traffic. Its lifespan is up to 800,000 times, and with 500 turns on per day, it can last for 4.4 years, meeting market demand. The opening speed is 1.8 to 2.5 seconds, which varies slightly depending on the weight of the door.

[0018] The bidirectional control device 3 includes a sector gear 30 that is rotatably mounted inside the fixed frame 1 via a rotating shaft. A buffer spring 33 is movably mounted on one side of the sector gear 30, and one end of the buffer spring 33 is movably mounted inside one end of the rotating frame 2. A drive gear 31 is meshed with the outer side of the sector gear 30. A drive motor 32 is fixedly installed at the bottom of the drive gear 31. The drive motor 32 is fixedly installed inside the fixed frame 1 through the motor frame. A connecting groove 34 is provided on one side of the sector gear 30 and one end of the rotating frame 2, and the two connecting grooves 34 are respectively fastened to the two ends of the buffer spring 33.

[0019] The sector gear 30 is provided with a positioning arc groove 35, and a positioning rod 36 is fixedly provided inside the fixing frame 1. The positioning rod 36 slides inside the positioning arc groove 35. When a person's foot touches the controller at the bottom of the fan door, the drive motor 32 is turned on, the drive motor 32 drives the drive gear 31 to rotate, the drive gear 31 drives the sector gear 30 to rotate, and the buffer spring 33 of the sector gear 30 pulls the rotating frame 2 to rotate, so the rotating frame 2 drives the fan door to open. When a person walks by, the drive motor 32 rotates in reverse and the stabilizing return device 5 is activated. The drive motor 32 drives the drive gear 31 and the sector gear 30 to rotate in the opposite direction, thereby driving the rotating frame 2 to rotate through the compression spring 49, and the rotating frame 2 returns to its initial position.

[0020] When a person manually pushes open the door, the door rotates, causing the rotating frame 2 to rotate, and the buffer spring 33 is compressed, so people can also manually push the door open to enter. When the door returns to its original position under the action of the buffer spring 33, the stabilizing return device 5 opens, causing the rotating frame 2 and the door to rotate evenly back to their initial position, thus preventing the door from closing too quickly due to excessive compression and rebound force, which could cause injury to people.

[0021] The stable return device 5 includes a first rotating gear 50 fixedly installed on the outer side of the top of the rotating frame 2, a second rotating gear 51 meshing with the outer side of the first rotating gear 50, and a rotating motor 52 fixedly installed at the center of the second rotating gear 51 via a one-way bearing. The rotating motor 52 is fixedly installed on the inner side of the fixed frame 1 via a motor frame. When the door is opened, the rotating frame 2 rotates, which drives the first rotating gear 50 to rotate. Because the second rotating gear 51 is connected to the rotary motor 52 through a one-way bearing, the first rotating gear 50 can rotate freely when the door is opened, without being restricted by the second rotating gear 51. When the door is closed, the rotating frame 2 rotates in the opposite direction, the rotating motor 52 turns on and drives the second rotating gear 51 to rotate, and the second rotating gear 51 drives the first rotating gear 50 to rotate steadily. Therefore, the rotating frame 2 and the door can be driven to close steadily, avoiding rapid closing under the action of the buffer spring 33, which could easily cause injury to others.

[0022] The safety speed limiting device 4 includes a rotating disk 40 fixedly installed on the top of the rotating frame 2, a fixing device 41 installed on the inner side of the rotating disk 40, and a plurality of locking blocks 42 that engage with the fixing device 41 on the outer side of the fixing device 41. Multiple snap-fit ​​blocks 42 are fixedly installed with fixing rings 43 on their outer sides, and the fixing rings 43 are fixedly installed on the inner side of the fixing frame 1; The fixing device 41 includes two buckle plates 44 that are rotatably mounted on both sides of the rotating disk 40 via pins. One end of the buckle plate 44 is provided with a buckle groove 45 that engages with the buckle block 42. A rotating rod 46 is rotatably mounted between the two snap plates 44 at their close ends; A reset device 47 is provided between the other ends of the two snap plates 44 that are close to each other; The reset device 47 includes a reset rod 48 installed between two snap plates 44, one end of which is rotatably connected to the outer top of the rotating disk 40 via a pin. A compression spring 49 is fixedly installed on the outer side of one end of the reset rod 48, and a sliding rod 490 is fixedly installed on the other end of the compression spring 49. One end of the sliding rod 490 is slidably sleeved on the outer side of the reset rod 48, and the other end of the sliding rod 490 is rotatably connected to the outer side of one end of the buckle plate 44 through a pin. When the door is opened and the rotating frame 2 rotates at a relatively fast speed, the rotating frame 2 drives the rotating disk 40 to rotate rapidly. As the rotating disk 40 rotates rapidly, the two latch plates 44 rotate and both latch plates 44 tilt outwards. The reset rod 48 rotates, and the sliding rod 490 slides on the reset rod 48. The compression spring 49 is compressed, so the latch groove 45 at one end of the two latch plates 44 engages with the latching block 42, which can limit the rotation of the rotating disk 40 and restrict the rotation of the rotating frame 2 and the door. The door provides resistance to the sudden push, preventing the door from being suddenly opened due to impact and causing injury. When the compression spring 49 rebounds, the sliding rod 490 drives the two latch plates 44 to reset, releasing the engagement with the latching block 42, and the door can continue to be opened. Example 2

[0023] When the door is opened, the sensor installed on the inside of the door can detect the force applied to the inside of the door. The sensor installed on the inside of the door can be a pressure sensor or other similar technology, which is not specifically shown in this existing solution. In this way, the drive motor 32 can drive the second rotating gear 51 and the first rotating gear 50 to rotate in opposite directions, control the door to close, and prevent the resistance on the inside of the door from being damaged.

[0024] 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.

[0025] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. Non-connected leaf door openers, including: The fixing frame (1) is characterized in that it further includes; Rotating frame (2), the rotating frame (2) is rotatably installed on the inner side of the fixed frame (1), the rotating frame (2) drives the fan door to rotate; A two-way control device (3) is installed on the inner side of the fixed frame (1), and the two-way control device (3) drives the rotating frame (2) to rotate. Safety speed limiting device (4), which is installed on the top of the rotating frame (2); A stabilizing return device (5) is installed on the outside of the rotating frame (2) and controls the rotation of the rotating frame (2). The bidirectional control device (3) includes a sector gear (30) rotatably mounted inside the fixed frame (1), and a buffer spring (33) is movably mounted on one side of the sector gear (30), with one end of the buffer spring (33) mounted inside one end of the rotating frame (2). The sector gear (30) is meshed with a drive gear (31) on its outer side. A drive motor (32) is installed at the bottom of the drive gear (31). The drive motor (32) is installed inside the fixed frame (1) through a motor frame. The safety speed limiting device (4) includes a rotating disk (40) installed on the top of the rotating frame (2), a fixing device (41) is installed on the inner side of the rotating disk (40), and a plurality of locking blocks (42) that are locked to the fixing device (41) are provided on the outer side of the fixing device (41). Each of the multiple snap-fit ​​blocks (42) is equipped with a fixing ring (43) on its outer side, and the fixing ring (43) is installed on the inner side of the fixing frame (1); The fixing device (41) includes two buckle plates (44) respectively rotatably installed on both sides of the rotating disk (40), and one end of the buckle plate (44) is provided with a buckle groove (45) that engages with the buckle block (42). A rotating rod (46) is rotatably mounted between the two buckle plates (44) at their close ends. A reset device (47) is provided between the other ends of the two buckle plates (44) that are close to each other. The reset device (47) includes a reset rod (48) installed between two snap plates (44), one end of which is rotatably connected to the outer top of the rotating disk (40) via a pin. A compression spring (49) is installed on the outer side of one end of the reset rod (48), and a sliding rod (490) is installed on the other end of the compression spring (49). One end of the sliding rod (490) is slidably sleeved on the outer side of the reset rod (48), and the other end of the sliding rod (490) is rotatably connected to the outer side of one end of the buckle plate (44) through a pin.

2. The non-connected fan door opener according to claim 1, characterized in that: The sector gear (30) is provided with a connecting groove (34) on one side and the rotating frame (2) at one end, and the two connecting grooves (34) are respectively fastened to the two ends of the buffer spring (33).

3. The non-connected fan door opener according to claim 1, characterized in that: The sector gear (30) is provided with a positioning arc groove (35), and the fixing frame (1) is provided with a positioning rod (36) inside the positioning arc groove (35).

4. The non-connected fan door opener according to claim 1, characterized in that: The stable return device (5) includes a first rotating gear (50) installed on the outer side of the top of the rotating frame (2), a second rotating gear (51) meshing with the outer side of the first rotating gear (50), and a rotating motor (52) installed at the center of the second rotating gear (51) through a one-way bearing. The rotating motor (52) is installed on the inner side of the fixed frame (1) through a motor frame.

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