Push-opening device

Abstract

This invention proposes a door-opening device comprising a door frame, a door leaf, a cover, and a linkage mechanism. The door frame has a groove located on its bottom side. The door leaf is pivotally mounted on the door frame and can move vertically relative to it. The cover is vertically movable within the groove of the door frame. The linkage mechanism is located on the bottom side of the door frame. The linkage mechanism includes a pivot, a guide, and an actuating plate. The pivot is located on the bottom side of the door frame, and the door leaf is pivotally mounted on the pivot. One end of the guide is mounted on the pivot and can move with the pivot's rotation. The actuating plate is located at the other end of the guide relative to the pivot and can rotate with the guide's movement. The linkage mechanism allows the cover to move upwards until its top surface is flush with the top surface of the groove in the door frame, preventing the user from tripping over the door frame.

Description

Technical Field

[0001] This invention relates to a push-open door. Prior Technology

[0002] Existing sliding doors typically consist of a door frame and a door leaf. One side of the door leaf is pivotally mounted to the door frame, and the door is opened or closed by rotating the door leaf. To make the sliding door waterproof, the bottom side of the existing door frame is installed below ground, and the door frame has a groove. When the door leaf is closed, it locks into the groove in the door frame, preventing water from easily passing through the gap between the door frame and the door leaf. However, because the door frame has a groove, it is exposed when the door leaf is open, which may cause users to fall when passing through the sliding door, or make it difficult for wheelchair users to push the door, endangering user safety.

[0003] In view of this, proposing a better improvement plan is an urgent problem that the industry needs to solve. Summary of the Invention

[0004] The main objective of this invention is to provide a door-opening device that solves the problem that when the door is opened, the groove is exposed, which may cause the user to fall when passing through the door or make it difficult to push when using a wheelchair, thus endangering the user's safety. To achieve the above objectives, the present invention provides a door opening device that has the following features: A door frame, which has: A groove is provided on the bottom side of the door frame; A door leaf is pivotally mounted on the door frame and can move vertically relative to the door frame; when the door leaf is at the lower end of its vertical movement, the door leaf is located within the groove; when the door leaf is at the upper end of its vertical movement, the door leaf moves out of the groove. A cover body, which is movably disposed within the groove of the door frame; A linkage device, which is disposed on the bottom side of the door frame, and has the following features: A pivot is pivotally mounted on the bottom side of the door frame and extends upward from the bottom surface of the groove, and the door leaf is connected to the pivot. A guide element, one end of which is disposed on the pivot and is movable as the pivot rotates; An actuating plate is disposed at the other end of the guide relative to the pivot, and the actuating plate is rotatable as the guide moves. The actuating plate has: A linkage rod is connected to the cover and moves the cover up and down as the actuating plate pivots; When the door leaf pivots to the opening stage, the door leaf will drive the pivot to rotate, causing the guide to move towards the pivot, which in turn drives the actuating plate to rotate, and the linkage will cause the cover to move upward until the top surface of the cover is flush with the top surface of the bottom side of the door frame; when the door leaf pivots to the closing stage, the door leaf will drive the pivot to rotate, causing the guide to move away from the pivot, which in turn drives the actuating plate to rotate in the opposite direction, and the linkage will cause the cover to descend below the top surface of the bottom side of the door frame.

[0005] As described above, the door opening device has an actuating plate pivotally mounted on the bottom side of the door frame, a guide pivotally mounted on the actuating plate, and a cover pivotally mounted on the actuating plate.

[0006] As described above, in the door opening device, the direction of the pivot axis of the actuating plate on the bottom side of the door frame is perpendicular to the normal direction of the door frame.

[0007] As described above, the door-opening device has a fan-shaped actuating plate that has the following characteristics: On both sides, the linkage is adjacent to one side. When the door leaf is pivoted to open and the actuating plate rotates, one side of the actuating plate can abut against the door frame; when the door leaf is pivoted to close and the actuating plate rotates in the opposite direction, the other side of the actuating plate can abut against the door frame.

[0008] As described above, the door opening device has an included angle of 90 to 120 degrees between the two sides of the actuating plate.

[0009] The door opening device as described above, wherein the linkage device further comprises: A plurality of linkage plates are spaced apart along the extension direction of the cover and rotate with the actuating plate, and each linkage plate has: One end, which is pivotally mounted on the door frame; A second end, which is the other end of the linkage plate relative to the first end, and is pivotally mounted on the cover.

[0010] As described above, the door opening device, wherein... The pivot has: A plurality of teeth are arranged around the outer surface of the pivot and protrude outward; The guide has: A plurality of perforations, the spacing between each plurality of perforations being the same as the spacing between each plurality of teeth, wherein when the pivot rotates, one of the teeth can be positioned in one of the perforations.

[0011] As described above, the door opening device further has the following features: A pushing device, which is disposed on the door leaf, and has: The handle is located on the door leaf; A push rod is movably mounted on the door leaf and adjacent to the pivot, and is connected to the handle. When the handle is rotated, the push rod can move downward to push against the door frame and support the door leaf.

[0012] The door opening device as described above, wherein the pushing device further has: Two corner brackets are located on the upper side of the door leaf and are connected to each other. The two corner brackets are respectively connected to the handle and the push rod, so that the handle can be set on the door leaf and away from the pivot.

[0013] The advantage of this invention lies in the fact that, by setting an actuating plate connected to a pivot via a guide, and during the process of the door leaf pivoting and opening, the door leaf drives the pivot to rotate, causing the guide to move towards the pivot, thereby driving the actuating plate to rotate, and causing the linkage rod to move the cover upward until the top surface of the cover is flush with the top surface of the door frame groove. Therefore, when a user passes through the door opening device, the unevenness of the door frame will not cause the user to trip, nor will it cause wheelchair wheels to get stuck in the door frame groove. Simple Explanation of the Diagram

[0014] Figure 1 is a front view of a door of the present invention when it is closed; Figure 2 is a front view of the door of the present invention when it is opened; Figure 3 is a side view of the door of the present invention when it is closed; Figure 4 is a side view of the door of the present invention when it is open; Figure 5 is an enlarged front view of the door of the present invention when it is closed; Figure 6 is an enlarged front view of the door of the present invention when it is opened; Figure 7 is a side enlarged view of the door of the present invention when it is closed; Figure 8 is a side enlarged view of the door leaf of the present invention when it is opened; Figure 9 is a top cross-sectional view of the door of the present invention when it is closed. Implementation

[0015] Please refer to Figures 1 and 2. This invention proposes a door-opening device, comprising a door frame 10, a door leaf 20, a cover 30, a linkage device 40, and a pushing device 50. The door frame 10 has a groove 11 disposed on the bottom side of the door frame 10. Specifically, the groove 11 extends laterally along the bottom side of the door frame 10.

[0016] Please refer to Figures 3 and 4. The door leaf 20 is pivotally mounted on the door frame 10 and can move vertically relative to the door frame 10. When the door leaf 20 is at the lower end of its vertical movement, it is located within the recess 11. When the door leaf 20 is at the upper end of its vertical movement, it moves out of the recess 11 and can pivot on the door frame 10. The cover 30 is vertically movably mounted within the recess 11 of the door frame 10.

[0017] Please refer to Figures 5 to 8. The linkage device 40 is disposed on the bottom side of the door frame 10 and includes a pivot 41, a guide 42, an actuating plate 43, and a plurality of linkage plates 44. The pivot 41 is pivotally mounted on the bottom side of the door frame 10 and extends upward from the bottom surface of the groove 11. The door leaf 20 is connected to the pivot 41, thereby pivotally mounting the door leaf 20 on the door frame 10. The pivot 41 has a plurality of teeth 411 surrounding its outer surface and protruding outward. One end of the guide 42 is disposed on the pivot 41 and can move with the rotation of the pivot 41. The guide 42 has a plurality of through holes 421, the spacing between the through holes 421 being the same as the spacing between the teeth 411. When the pivot 41 rotates, one of the teeth 411 can be positioned in one of the through holes 421. In this way, when the pivot 41 rotates, the guide 42 can be moved by the engagement of the teeth 411 and the through hole 421.

[0018] Please refer to Figures 5 and 6. The actuating plate 43 is located at the other end of the guide 42 relative to the pivot 41, and the actuating plate 43 can rotate as the guide 42 moves. Specifically, the actuating plate 43 is pivotally mounted on the bottom side of the door frame 10, and the direction of the pivot axis of the actuating plate 43 on the bottom side of the door frame 10 is perpendicular to the normal direction of the door frame 10. In other words, the direction of the pivot axis of the actuating plate 43 on the bottom side of the door frame 10 is through the door leaf 20. The guide 42 is pivotally mounted on the actuating plate 43, and the cover 30 is pivotally mounted on the actuating plate 43. Thus, the actuating plate 43 can form an effect similar to a linkage structure. When the guide 42 moves due to the rotation of the pivot 41, it can drive the actuating plate 43 to rotate about the pivot axis pivotally mounted on the bottom side of the door frame 10. At this time, the cover 30 connected to the actuating plate 43 will also rotate, thereby producing vertical movement. In this embodiment, the cover 30 moves in an arc shape as the actuating plate 43 rotates, and the end of the cover 30 away from the actuating plate 43 can abut against the door frame 10 to fix and support the cover 30.

[0019] Please refer to Figures 5 to 8. In this embodiment, the actuating plate 43 is fan-shaped and has a connecting rod 431 and two side edges 432. The connecting rod 431 is disposed on the actuating plate 43 and connected to the cover 30, and moves the cover 30 up and down with the pivoting of the actuating plate 43. The connecting rod 431 is adjacent to one of the side edges 432. When the door leaf 20 pivots to open and the actuating plate 43 rotates, one side edge 432 of the actuating plate 43 can abut against the door frame 10 and restrict the actuating plate 43 from continuing to rotate. When the door leaf 20 pivots to close and the actuating plate 43 rotates in the opposite direction, the other side edge 432 of the actuating plate 43 can abut against the door frame 10 and restrict the actuating plate 43 from continuing to rotate. In this embodiment, the included angle between the two side edges 432 of the actuating plate 43 is 90 degrees to 120 degrees. In other embodiments, the shape and angle of the actuating plate 43 are not limited to this.

[0020] Please refer to Figures 1, 2, 7, and 8. The connecting plates 44 are located on both sides of the cover 30 and rotate with the actuating plate 43. In this embodiment, the connecting plates 44 are evenly distributed at equal intervals along the long side of the cover 30. Each connecting plate 44 has a first end 441 and a second end 442. The first end 441 is pivotally mounted on the door frame 10, and the second end 442 is the other end of the connecting plate 44 relative to the first end 441, and is also pivotally mounted on the cover 30. When the cover 30 moves upward until its top surface is flush with the top surface of the bottom side of the door frame 10, one end of the cover 30 abuts against one side of the door frame 10. The first end 441 of each connecting plate 44 rotates to the top surface near the bottom side of the door frame 10, and crosses the vertical line towards that side of the door frame 10 against which the cover 30 abuts. In this way, each linkage plate 44 can push the cover 30 against the side of the door frame 10, thereby assisting the linkage rod 431 in stabilizing the cover 30 at a position where its top surface is flush with the top surface of the bottom side of the door frame 10. Furthermore, by offsetting across the vertical line, each linkage plate 44 prevents the cover 30 from rotating in the opposite direction and descending. In addition, because the linkage plates 44 are distributed along the long side of the cover 30, even if the actuating plate 43 is located at one end of the cover 30, the synchronous movement of the linkage plates 44 ensures that the other end of the cover 30, away from the actuating plate 43, can also move up and down with the actuating plate 43.

[0021] Please refer to Figures 1, 2, and 9. A pushing device 50 is mounted on the door leaf 20 and includes a handle 51, a pushing rod 52, and two corner brackets 53. The handle 51 is mounted on the door leaf 20, and the pushing rod 52 is movably mounted on the door leaf 20 adjacent to the pivot 41 and connected to the handle 51. When the handle 51 is rotated, the pushing rod 52 moves downwards to push against the door frame 10, supporting the door leaf 20 and causing it to move upwards.

[0022] Two corner actuators 53 are disposed on the upper side of the door leaf 20, specifically at two corners of the door leaf 20 in this embodiment. Each corner actuator 53 is a device that converts power in one direction into power in another, such as converting the power provided by a vertically movable push rod 52 into a horizontally movable power output. The two corner actuators 53 are connected to each other, and each corner actuator 53 is connected to a handle 51 and a push rod 52, allowing the handle 51 to be disposed on the door leaf 20 away from the pivot 41. Specifically, when the handle 51 rotates, it pulls one corner actuator 53 to generate vertical power, and simultaneously, this corner actuator 53 converts to generating horizontal power. The horizontal power of this corner actuator 53 then drives the other corner actuator 53 to generate horizontal power, causing the push rod 52 connected to the other corner actuator 53 to move vertically. This achieves the function of allowing the handle 51 and push rod 52, respectively disposed on both sides of the door leaf 20, to rotate. In other embodiments, the handle 51 and the push rod 52 can also be set on the same side of the door leaf 20. The push rod 52 does not need to be connected to the corner bracket 53 but is directly connected to the handle 51, so that the push rod 52 moves up and down by rotating the handle 51 and at the same time supports the door leaf 20 to move upward.

[0023] Please refer to Figures 5 to 8. During the opening process of door 20, door 20 drives pivot 41 to rotate, causing guide 42 to move towards pivot 41. This, in turn, causes actuator 43 to rotate, and linkage 431 causes cover 30 to move upwards until its top surface is flush with the top surface of the bottom side of door frame 10. During the closing process of door 20, door 20 drives pivot 41 to rotate, causing guide 42 to move away from pivot 41. This, in turn, causes actuator 43 to rotate in the opposite direction, and linkage 431 causes cover 30 to descend below the top surface of the bottom side of door frame 10.

[0024] The advantage of this invention is that, by setting the actuating plate 43 to be connected to the pivot 41 via the guide 42, and during the process of the door leaf 20 pivoting to open, the door leaf 20 will drive the pivot 41 to rotate, causing the guide 42 to move towards the pivot 41, thereby driving the actuating plate 43 to rotate, and causing the connecting rod 431 to drive the cover 30 to move upward until the top surface of the cover 30 is flush with the top surface of the groove 11 of the door frame 10. Therefore, when a user passes through the door opening device, the unevenness of the door frame 10 will not cause the user to trip, or the wheels of a wheelchair will not get stuck in the groove 11 of the door frame 10.

[0025] 10: Door frame 11: Groove 20: Door leaf 30: Cover 40: Linkage device 41: Pivot 411: Teeth 42: Guide 421: Perforation 43: Actuator 431: Linkage rod 432: Side 44: Linkage Plate 441: First end 442: Second end 50: Propulsion device 51: Handle 52: Push rod 53: Corner

Claims

1. A door opening device comprising: a door frame having: a groove disposed on the bottom side of the door frame; a door leaf pivotally disposed on the door frame and capable of vertical movement relative to the door frame; when the door leaf is at the lower end of its vertical movement stroke, the door leaf is located within the groove; when the door leaf is at the upper end of its vertical movement stroke, the door leaf moves out of the groove; a cover movably disposed in the groove of the door frame; a linkage device disposed on the bottom side of the door frame and having: a pivot pivotally disposed on the bottom side of the door frame and extending upward from the bottom surface of the groove, and the door leaf being connected to the pivot; and a guide member having one end disposed on the pivot and capable of moving with rotation of the pivot. An actuating plate is disposed at the other end of the guide relative to the pivot, and the actuating plate can rotate as the guide moves. The actuating plate has: a linkage rod connected to the cover, which moves the cover up and down as the actuating plate pivots; when the door leaf pivots to the point of opening, the door leaf will drive the pivot to rotate, causing the guide to move towards the pivot, thereby driving the actuating plate to rotate, and causing the linkage rod to drive the cover to move upward until the top surface of the cover is flush with the top surface of the bottom side of the door frame; when the door leaf pivots to the point of closing, the door leaf will drive the pivot to rotate, causing the guide to move away from the pivot, thereby driving the actuating plate to rotate in the opposite direction, and causing the linkage rod to drive the cover to descend below the top surface of the bottom side of the door frame.

2. The door opening device as described in claim 1, wherein, The actuating plate is pivotally mounted on the bottom side of the door frame, the guide is pivotally mounted on the actuating plate, and the cover is pivotally mounted on the actuating plate.

3. The door opening device as described in claim 2, wherein, The direction of the pivot axis of the actuator plate, which is pivotally mounted on the bottom side of the door frame, is perpendicular to the normal direction of the door frame.

4. The door opening device as described in any one of claims 1 to 3, wherein, The actuating plate is fan-shaped and has two sides. The linkage rod is adjacent to one of the sides. When the door leaf is pivoted to open and the actuating plate rotates, one of the sides of the actuating plate can abut against the door frame. When the door leaf is pivoted to close and the actuating plate rotates in the opposite direction, the other side of the actuating plate can abut against the door frame.

5. The door opening device as described in claim 4, wherein, The included angle between the two sides of the actuator plate is 90 degrees to 120 degrees.

6. The door opening device as described in any one of claims 1 to 3, wherein, The linkage device further comprises: a plurality of linkage plates, which are spaced apart along the extension direction of the cover and rotate with the actuating plate, and each linkage plate has: a first end, which is pivotally mounted on the door frame; and a second end, which is the other end of the linkage plate relative to the first end, and is pivotally mounted on the cover.

7. The door opening device as described in any one of claims 1 to 3, wherein, The pivot has: a plurality of teeth surrounding the outer surface of the pivot and protruding outward; the guide has: a plurality of through holes, the spacing between the plurality of through holes being the same as the spacing between the plurality of teeth, such that when the pivot rotates, one of the teeth can be disposed in one of the through holes.

8. The door opening device as described in any one of claims 1 to 3, further comprising: a pushing device disposed on the door leaf, and having: a handle disposed on the door leaf; a push rod disposed vertically on the door leaf and adjacent to the pivot, and connected to the handle, wherein when the handle is rotated, the push rod can move downward to push against the door frame and support the door leaf.

9. The door opening device as described in claim 8, wherein, The pushing device further includes: two corner brackets, which are disposed on the upper side of the door leaf and connected to each other. The two corner brackets are respectively connected to the handle and the pushing rod, so that the handle can be disposed on the door leaf and away from the pivot.

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