Lifting door mechanism capable of automatically hovering

By designing an automatic hovering lifting door mechanism, the friction of the limit spring and limit pin is used to enable the door panel to hover and lock at any position, solving the problem that existing lifting doors can only lock at a designated position and improving operational efficiency.

CN223536225UActive Publication Date: 2025-11-11SUZHOU HG SMART TECH CO LTD
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Patent Information

Application Number
CN202422597895.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-11-11
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

Existing lifting doors can only be locked at a designated or maximum position, and cannot be suspended at any position, which wastes time and is inconvenient to operate.

Method used

An automatic hovering lifting door mechanism was designed. By using the cooperation of limit springs and limit pins, the door panel can be hovered at any position using friction. The door panel can be locked and adjusted by the cooperation of limit tooth plates and limit tooth grooves.

Benefits of technology

It enables the door panel to be suspended and locked at any position, improving operational efficiency, allowing users to easily adjust the working position of the door panel at any time, and simplifying the locking structure of the lifting door.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a lifting door mechanism capable of hovering automatically, which comprises the following structures: a door frame, the left side and the right side of the rear part of the door frame are movably connected with guide rods; a handle is movably inserted in the middle of the door plate, sliding seats are fixedly arranged on the left side and the right side of the rear portion of the door plate, the door plate is adjusted to the door frame, the limiting springs are matched with the limiting pins, the limiting pins abut against the outer portions of the limiting side frames, and the limiting springs of different specifications are selected to complete push-pull hand feeling adjustment of the door plate on the door frame. By means of the friction force between the limiting pin and the limiting side frame, hovering of the door plate on the door frame is completed, people can conveniently operate equipment at any time, and the working efficiency of people can be greatly improved.
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Description

Technical Field

[0001] This utility model mainly relates to the field of lifting door technology, specifically to a lifting door mechanism that can automatically hover. Background Technology

[0002] Many devices now require people to open the doors for operation or maintenance. Sometimes it is only necessary to open the door to a certain position to operate, without having to open the door to the maximum position and lock it. This action would waste a lot of time.

[0003] The inventors have proposed an automatic hovering mechanism for lifting doors, which simplifies the locking structure of the lifting door and allows it to hover at any position, making it convenient for people to operate the equipment at any time and greatly improving our work efficiency. Utility Model Content

[0004] 1. Technical problem solved by the utility model:

[0005] This invention provides a lifting door mechanism that can automatically hover, solving the technical problem that existing lifting doors can only lock at a designated position or when fully opened.

[0006] 2. Technical Solution:

[0007] To achieve the above objectives, the technical solution provided by this utility model is: a lifting door mechanism capable of automatic hovering, comprising the following structure:

[0008] The door frame has guide rods movably connected to both the left and right sides of its rear portion.

[0009] The door panel has a handle that is movably inserted into the middle, and sliding seats are fixed on both the left and right sides of the rear part of the door panel.

[0010] Furthermore, limiting side frames are fixedly provided on the left and right rear sides of the door frame, and limiting tooth grooves are fixedly provided at the rear end of the limiting side frames. The opposite sides of the two limiting side frames are movably connected to the left and right sides of the door panel, respectively.

[0011] Furthermore, the middle part of the handle is engaged with the rear end of the first return spring, the front end of the first return spring is engaged with the rear side of the door panel, a turntable is fixedly provided at the rear end of the handle, and a stop bar is fixedly provided at the rear end of the handle.

[0012] Furthermore, the door panel is fitted with the door frame, and mounting covers are fixedly provided at both the left and right ends of the rear part of the door panel. A limit spring is snapped into the middle of the front side of the mounting cover, and a limit pin is sleeved on the outer side of the limit spring. The outer side of the limit pin abuts against the side of the limit frame facing the door panel.

[0013] Furthermore, the middle part of the slide is movably sleeved with the outer side of the guide rod, and an installation plate is fixedly provided on the inner side of the front end of the slide. The top and bottom of the installation plate are both fixedly provided with second return springs. The front ends of the two second return springs are respectively engaged with the top and bottom of the rear end of the limiting tooth plate, and the front end of the limiting tooth plate cooperates with the limiting tooth groove.

[0014] Furthermore, a guide frame is fixedly provided in the middle of the slide block, and a connecting rope runs through the left end to the right end of the guide frame. The left end of the connecting rope is fixedly connected to the middle of the rear side of the limiting tooth plate, and the right end of the connecting rope is engaged with the outer side of the turntable.

[0015] 3. Beneficial effects:

[0016] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0017] This utility model provides a lifting door mechanism that can automatically hover. The door panel is adjusted to the door frame, and the limiting spring and the limiting pin cooperate. The limiting pin abuts against the outside of the limiting frame. Different specifications of limiting springs can be selected to adjust the push and pull feel of the door panel on the door frame. The door panel is hovered on the door frame by relying on the friction between the limiting pin and the limiting frame. This makes it convenient for people to operate the equipment at any time and can greatly improve our work efficiency.

[0018] This utility model provides a lifting door mechanism that can automatically hover. The first return spring drives the handle to move towards the rear of the door panel. When the user opens the door panel on the door frame, the handle is pulled towards the front of the door panel. The turntable drives the connecting rope to pull the limiting tooth plate to move, releasing the cooperation between the limiting tooth plate and the limiting tooth groove, and releasing the sliding limit of the slide on the guide rod, so that the user can adjust the working position of the door panel for lifting and lowering adjustment. The cooperation between the limiting tooth plate and the limiting tooth groove completes the hovering and locking of the door panel on the door frame.

[0019] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0020] Figure 1 This is a perspective view of the structure of this utility model;

[0021] Figure 2 This is a half-sectional perspective view of the door frame structure of this utility model;

[0022] Figure 3 This is a utility model Figure 2 Enlarged view of the structure at point A in the middle;

[0023] Figure 4 This is a half-sectional perspective view of the door panel structure of this utility model;

[0024] Figure 5This is a utility model Figure 4 Enlarged view of the structure at point B;

[0025] Figure 6 This is a utility model Figure 4 Enlarged view of the structure at point C;

[0026] Figure 7 This is a perspective view of the guide frame structure of this utility model.

[0027] Figure label:

[0028] Door frame-1; Limiting frame-11; Limiting tooth groove-12;

[0029] Guide rod-2;

[0030] Door panel -3;

[0031] Handle-4; First return spring-41; Turntable-42; Stop lever-43;

[0032] Mounting cover-5; Limiting spring-51; Limiting pin-52;

[0033] Slide-6; Mounting plate-61; Second return spring-62; Limiting tooth plate-63;

[0034] Guide frame-7; connecting rope-71. Detailed Implementation

[0035] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0036] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element; the terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0038] See attached document Figure 1-7 This utility model provides a lifting door mechanism that can automatically hover, comprising the following structure:

[0039] Door frame 1, with guide rods 2 movably connected to both the left and right sides of the rear part of door frame 1.

[0040] Door panel 3, with a handle 4 movably inserted in the middle of door panel 3, and sliding seats 6 fixed on both the left and right sides of the rear of door panel 3.

[0041] In this embodiment, limiting side frames 11 are fixedly provided on the left and right sides of the rear part of the door frame 1, and limiting tooth grooves 12 are fixedly provided at the rear end of the limiting side frames 11. The opposite sides of the two limiting side frames 11 are movably connected to the left and right sides of the door panel 3 respectively.

[0042] The limiting side frame 11 has an upper limiting tooth groove 12 that cooperates with the limiting tooth plate 63 to complete the limiting treatment of the specific placement position of the slide block 6 and the door panel 3 on the door frame 1.

[0043] In this embodiment, the middle part of the handle 4 is engaged with the rear end of the first return spring 41, the front end of the first return spring 41 is engaged with the rear side of the door panel 3, the rear end of the handle 4 is fixedly provided with a turntable 42, and the rear end of the handle 4 is fixedly provided with a stop bar 43.

[0044] The first return spring 41 drives the handle 4 to move toward the rear of the door panel 3. When the user opens the door panel 3 on the door frame 1, the handle 4 pulls toward the front of the door panel 3. The turntable 42 drives the connecting rope 71 to pull the limiting tooth plate 63 to move, releasing the cooperation between the limiting tooth plate 63 and the limiting tooth groove 12, and releasing the sliding limit of the slide block 6 on the guide rod 2, so that the user can adjust the working position of the door panel 3 for lifting and lowering adjustment. The cooperation between the limiting tooth plate 63 and the limiting tooth groove 12 completes the suspension and locking of the door panel 3 on the door frame 1.

[0045] In this embodiment, the door panel 3 is fitted with the door frame 1. Mounting covers 5 are fixedly provided on both the left and right ends of the rear part of the door panel 3. A limiting spring 51 is snapped into the middle of the front side of the mounting cover 5. A limiting pin 52 is sleeved on the outer side of the limiting spring 51. The outer side of the limiting pin 52 abuts against the side of the limiting frame 11 facing the door panel 3.

[0046] Adjust the door panel 3 onto the door frame 1. The limiting spring 51 and the limiting pin 52 cooperate, and the limiting pin 52 abuts against the outside of the limiting side frame 11. Select different specifications of the limiting spring 51 to adjust the push and pull feel of the door panel 3 on the door frame 1. Rely on the friction between the limiting pin 52 and the limiting side frame 11, complete the suspension setting of the door panel 3 on the door frame 1.

[0047] In this embodiment, the middle part of the slide block 6 is movably sleeved with the outer side of the guide rod 2. The inner side of the front end of the slide block 6 is fixedly provided with a mounting plate 61. The top and bottom of the mounting plate 61 are both fixedly provided with second return springs 62. The front ends of the two second return springs 62 are respectively engaged with the top and bottom of the rear end of the limiting tooth plate 63. The front end of the limiting tooth plate 63 cooperates with the limiting tooth groove 12.

[0048] During the process of pulling the connecting rope 71 in conjunction with the handle 4 and the turntable 42, the connecting rope 71 may become loose due to the increased usage time. At this time, the user can manually rotate the handle 4 so that the connecting rope 71 is wrapped around the outside of the turntable 42 to prevent the connection between the limiting tooth plate 63 and the limiting tooth groove 12 from becoming loose.

[0049] In this embodiment, a guide frame 7 is fixedly provided in the middle of the slide block 6. A connecting rope 71 passes through the left end to the right end of the guide frame 7. The left end of the connecting rope 71 is fixedly connected to the middle of the rear side of the limiting tooth plate 63, and the right end of the connecting rope 71 is engaged with the outer side of the turntable 42.

[0050] The connection between the limiting tooth plate 63 and the limiting tooth groove 12 is released. At this time, the second return spring 62 is compressed, the handle 4 is released, the first return spring 41 pushes the turntable 42 to move, and after the connecting rope 71 is loosened, the second return spring 62 begins to stretch and push the limiting tooth plate 63 forward, completing the connection between the limiting tooth plate 63 and the limiting tooth groove 12, and locking the opening and closing of the door panel 3 on the door frame 1.

[0051] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A lifting door mechanism capable of automatic hovering, characterized in that: Includes the following structure: Door frame (1), with guide rods (2) movably connected to the left and right sides of the rear part of the door frame (1); Door panel (3), a handle (4) is movably inserted into the middle of the door panel (3), and sliding seats (6) are fixed on both the left and right sides of the rear part of the door panel (3). The middle part of the slide (6) is movably sleeved with the outer side of the guide rod (2). The inner side of the front end of the slide (6) is fixedly provided with a mounting plate (61). The top and bottom of the mounting plate (61) are both fixedly provided with second return springs (62). The front ends of the two second return springs (62) are respectively engaged with the top and bottom of the rear end of the limiting tooth plate (63). A guide frame (7) is fixedly provided in the middle of the slide (6). A connecting rope (71) runs through the left end to the right end of the guide frame (7). The left end of the connecting rope (71) is fixedly connected to the middle of the rear side of the limiting tooth plate (63), and the right end of the connecting rope (71) is engaged with the outer side of the turntable (42).

2. The automatic hovering lifting door mechanism according to claim 1, characterized in that: The door frame (1) is fixedly provided with limiting side frames (11) on both the left and right sides of the rear part. The limiting side frames (11) are fixedly provided with limiting tooth grooves (12) at the rear end. The opposite sides of the two limiting side frames (11) are movably connected to the left and right sides of the door panel (3).

3. The lifting door mechanism capable of automatic hovering according to claim 1, characterized in that: The middle part of the handle (4) is engaged with the rear end of the first return spring (41), the front end of the first return spring (41) is engaged with the rear side of the door panel (3), the rear end of the handle (4) is fixedly provided with a turntable (42), and the rear end of the handle (4) is fixedly provided with a stop bar (43).

4. The lifting door mechanism capable of automatic hovering according to claim 1, characterized in that: The door panel (3) is fitted with the door frame (1). The left and right ends of the rear part of the door panel (3) are fixed with mounting covers (5). The front middle of the mounting cover (5) is engaged with a limiting spring (51). The outer side of the limiting spring (51) is sleeved with a limiting pin (52). The outer side of the limiting pin (52) abuts against the side of the limiting frame (11) facing the door panel (3).

5. The automatic hovering lifting door mechanism according to claim 1, characterized in that: The front end of the limiting tooth plate (63) engages with the limiting tooth groove (12).