Barrier-free ultra-silence side-hung folding door
By designing folding parts and lubricating parts in the swing door, the problem of swing door occupies space in a narrow space is solved, and the noise and friction of the door is reduced, improving the comfort of the use of the door.
Patent Information
- Application Number
- CN202422358594.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-09-26
AI Technical Summary
The swing door occupies a large space when opened, which especially in a small environment leads to inconvenience in movement. It has a more traditional appearance and lacks a sense of novelty.
An accessible ultra-silent swing folding door is designed. By hinging the first door leaf on the inner side of the door frame and fixing the folding member on its front side, the second door leaf is fixedly connected to the folding member, and the buffer strip is fixedly connected to reduce noise on the right side of the second door leaf. Both the first door leaf and the second door leaf are provided with polyethylene coating to reduce friction coefficient, and lubricating members are provided on the folding member to reduce friction.
Through the design of the folding door leaf, the space is saved when opening the door is suitable for small or multi-functional rooms, and the friction and noise of the door are reduced by lubricating parts, making the switching process smoother and quieter, and improving the comfort of the door leaf.
Smart Images
Figure CN222909830U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of swing doors, and particularly relates to a barrier-free and ultra-quiet swing folding door. Background Art
[0002] "Door" is a common structural element in buildings and homes, mainly serving functions such as providing entrances, exits, and isolating spaces. There are various types of doors, and swing doors are the most common type, usually opened and closed through hinges, suitable for various occasions;
[0003] However, during the operation of such door leaves, since they require a large amount of space when opened, especially in narrow corridors or rooms, it may cause inconvenience in movement, and also bring certain limitations to the space layout and use. Moreover, compared with modern folding door designs, the appearance and style of swing doors may be relatively traditional and lack novelty.
[0004] Therefore, we hope to design a barrier-free and ultra-quiet swing folding door to solve this problem. Summary of the Utility Model
[0005] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a barrier-free and ultra-quiet swing folding door to solve the problems raised in the above background art.
[0006] The utility model is realized through the following technical solutions: A barrier-free and ultra-quiet swing folding door, including a door frame. The inner surface of the door frame is hinged with a first door leaf. A folding component is fixedly connected to the front surface of the first door leaf. A second door leaf is fixedly connected to the folding component. A buffer rubber strip is fixedly connected to the right surface of the second door leaf. The buffer rubber strip is used to reduce the noise generated when the second door leaf collides with the door frame when closing the door. Polyethylene coatings are provided on the surfaces of the first door leaf and the second door leaf. The polyethylene coatings are used to reduce the friction coefficient. A lubricating component is provided on the folding component;
[0007] The folding component includes an installation frame. A receiving cavity is opened inside the installation frame. The installation frame is fixedly connected to the front side of the first door leaf. A sliding assembly is arranged inside the installation frame. By setting the folding component, the door leaf can be folded to reduce the floor area occupied by the door leaf.
[0008] As a preferred embodiment, the sliding assembly includes a connecting block. The connecting block is arranged in the receiving cavity of the installation frame. Connecting shafts are fixedly connected to both sides of the connecting block. By setting the sliding assembly, the first door leaf and the second door leaf form a sliding fold.
[0009] The outer side of the connecting shaft is connected with a pulley through a bearing sleeve, the inner lower side of the installation frame is fixedly connected with a slide rail, the upper surface of the slide rail is movably connected to the pulley, and the second door leaf can be closed more smoothly by arranging the pulley and the slide rail.
[0010] As a preferred embodiment, the lubricating component includes an oil-absorbing cotton strip, which is arranged on the inner side of the mounting frame, and the front surface of the mounting frame is penetrated by a first oil filling port and a second oil filling port. By providing the lubricating component, the friction coefficient of the first door leaf when sliding is reduced.
[0011] As a preferred embodiment, the oil-absorbing cotton strip is in contact with the surface of the pulley, and the oil-absorbing cotton strip is used to transfer lubricating liquid.
[0012] As a preferred embodiment, the shape of the door frame is an inverted U-shape, and the door frame is used to support the first door leaf and the second door leaf.
[0013] As a preferred embodiment, a handle is provided on the front side surface of the second door leaf, and the heights of both ends of the door frame are greater than those of the first door leaf and the second door leaf. The door frame higher than the first door leaf and the second door leaf is used to prevent the first door leaf and the second door leaf from contacting the ground.
[0014] As a preferred embodiment, there are several lubricating components, and the several lubricating components are evenly distributed throughout the front surface of the mounting frame. By providing multiple groups of lubricating components, the lubricating liquid on the oil-absorbing cotton strip is more evenly distributed.
[0015] After adopting the above technical scheme, the beneficial effects of the utility model are as follows: by providing a folding component, the door leaf can be folded to one side, thereby saving the space required for opening the door, so as to be suitable for small or multi-functional rooms; and by providing a lubricating component, the sliding components inside the door leaf can be lubricated without disassembling the door leaf, so as to reduce the friction coefficient when the folding door slides, further reduce the noise of the door opening and closing, make the opening and closing process smoother and quieter, and improve the comfort of the door leaf. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0017] Figure 1 The utility model is a front oblique view of the overall structure of a barrier-free ultra-quiet casement folding door.
[0018] Figure 2 The utility model is a right side layout structure sectional view of a barrier-free ultra-quiet casement folding door.
[0019] Figure 3 This utility model is a barrier-free ultra-quiet flat opening folding door Figure 2 A magnified view of the structure of section A.
[0020] In the figure, 1-door frame, 2-first door leaf, 3-second door leaf, 4-folding component, 5-lubricating component;
[0021] 41-installation frame, 42-sliding assembly, 421-connecting block, 422-connecting shaft, 423-pulley, 424-slide rail;
[0022] 51 - oil-absorbing cotton strip, 52 - first oil filling port, 53 - second oil filling port. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figures 1 to 3 The utility model provides a technical solution: a barrier-free ultra-quiet casement folding door, comprising a door frame 1, a first door leaf 2 is hingedly connected to the inner surface of the door frame 1, a folding component 4 is fixedly connected to the front surface of the first door leaf 2, a second door leaf 3 is fixedly connected to the folding component 4, a buffer rubber strip is fixedly connected to the right surface of the second door leaf 3, the buffer rubber strip is used to reduce the noise generated when the second door leaf 3 collides with the door frame 1 when closing the door, the surfaces of the first door leaf 2 and the second door leaf 3 are both provided with a polyethylene coating, the polyethylene coating is used to reduce the friction coefficient, and a lubricating component 5 is provided on the folding component 4;
[0025] The folding component 4 includes a mounting frame 41, an accommodating cavity is opened inside the mounting frame 41, the mounting frame 41 is fixedly connected to the front side of the first door leaf 2, and a sliding assembly 42 is arranged inside the mounting frame 41. By setting the folding component 4, the door leaf can be folded to reduce the floor space of the door leaf.
[0026] The sliding assembly 42 includes a connecting block 421 which is arranged inside the installation frame 41 . The two sides of the connecting block 421 are fixedly connected with connecting shafts 422 . By setting the sliding assembly 42 , the first door leaf 2 and the second door leaf 3 can form a sliding folding.
[0027] A pulley 423 is sleeved on the outer side of the connecting shaft 422 through a bearing. A slide rail 424 is fixedly connected to the lower side inside the mounting frame 41. The upper surface of the slide rail 424 is movably connected to the pulley 423. By providing the pulley 423 and the slide rail 424, the closing of the second door leaf 3 is made smoother.
[0028] The lubricating component 5 includes an oil-absorbing cotton strip 51. The oil-absorbing cotton strip 51 is arranged inside the mounting frame 41. The front surface of the mounting frame 41 is penetrated by a first oil injection port 52 and a second oil injection port 53. By providing the lubricating component 5, the friction coefficient during the sliding of the first door leaf 2 is reduced.
[0029] The oil-absorbing cotton strip 51 contacts the surface of the pulley 423, and the oil-absorbing cotton strip 51 is used to transfer the lubricating liquid.
[0030] The shape of the door frame 1 is an inverted U shape, and the door frame 1 is used to support the first door leaf 2 and the second door leaf 3.
[0031] A handle is provided on the front surface of the second door leaf 3. The heights of both ends of the door frame 1 are greater than those of the first door leaf 2 and the second door leaf 3. The door frame 1 higher than the first door leaf 2 and the second door leaf 3 is used to prevent the first door leaf 2 and the second door leaf 3 from contacting the ground.
[0032] The number of the lubricating components 5 is several. The several lubricating components 5 are uniformly distributed and penetrate through the front surface of the mounting frame 41. By providing multiple groups of lubricating components 5, the lubricating liquid on the oil-absorbing cotton strip 51 is more evenly distributed.
[0033] Please refer to Figures 1 to 3 , as the first embodiment of the present utility model: To solve the problem that a swing door needs to occupy a large space when opened, especially in a narrow corridor or room, which may cause inconvenience in movement. When the door opening operation needs to be performed, first pull the handle to drive the second door leaf 3 to move. During the movement of the second door leaf 3, the connecting block on the upper side of the second door leaf 3 is displaced. While the connecting block is displaced, the pulleys 423 on both sides of it are driven to rotate. While the pulleys 423 are rotating, they contact the oil-absorbing cotton strip 51 inside the connecting frame to improve the lubricity of the surface of the pulleys 423 and reduce the noise generated when the pulleys 423 rub against the slide rail 424. Finally, rotate the first door leaf 2. During the rotation of the first door leaf 2, the second door leaf 3 is driven to rotate to complete the door opening operation of the first door leaf 2 and the second door leaf 3.
[0034] Please refer to Figures 2 to 3, as the second embodiment of the present utility model: Based on the description in the above embodiment, further, when the first door leaf 2 is used for a long time, the oil-absorbing cotton strip 51 will become dry. At this time, it is necessary to lubricate and add the oil-absorbing cotton strip 5. At this time, the oil-absorbing cotton strip 51 in the connection frame can be refueled through the first oil injection port 52 and the second oil injection port 53 to keep it in a state of being infiltrated by the lubricating liquid.
[0035] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. A barrier-free ultra-quiet casement folding door, comprising a door frame (1), characterized in that: The inner surface of the door frame (1) is hingedly connected to a first door leaf (2); the front surface of the first door leaf (2) is fixedly connected to a folding component (4); the second door leaf (3) is fixedly connected to the folding component (4); the right side surface of the second door leaf (3) is fixedly connected to a buffer rubber strip, the buffer rubber strip is used to reduce the noise generated when the second door leaf (3) collides with the door frame (1) when the door is closed; the surfaces of the first door leaf (2) and the second door leaf (3) are both provided with a polyethylene coating, the polyethylene coating is used to reduce the friction coefficient; the folding component (4) is provided with a lubricating component (5); The folding component (4) comprises a mounting frame (41), a receiving cavity is provided inside the mounting frame (41), the mounting frame (41) is fixedly connected to the front side of the first door leaf (2), and a sliding assembly (42) is provided inside the mounting frame (41).
2. The barrier-free ultra-quiet casement folding door according to claim 1, characterized in that: The sliding assembly (42) comprises a connecting block (421), the connecting block (421) being arranged in a receiving cavity of the installation frame (41), and connecting shafts (422) being fixedly connected to two sides of the connecting block (421).
3. The barrier-free ultra-quiet flat-opening folding door according to claim 2, characterized in that: The outer side of the connecting shaft (422) is sleeved with a pulley (423) via a bearing, the lower side of the interior of the installation frame (41) is fixedly connected with a slide rail (424), and the upper surface of the slide rail (424) is movably connected to the pulley (423).
4. The barrier-free ultra-quiet casement folding door according to claim 1, characterized in that: The lubricating component (5) comprises an oil-absorbing cotton strip (51), the oil-absorbing cotton strip (51) being arranged on the inner side of the mounting frame (41), and a first oil filling port (52) and a second oil filling port (53) passing through the front surface of the mounting frame (41).
5. The barrier-free ultra-quiet casement folding door according to claim 4, characterized in that: The oil-absorbing cotton strip (51) is in contact with the surface of the pulley (423), and the oil-absorbing cotton strip (51) is used to transfer lubricating liquid.
6. The barrier-free ultra-quiet casement folding door according to claim 1, characterized in that: The door frame (1) is in the shape of an inverted U-shape, and is used to support the first door leaf (2) and the second door leaf (3).
7. The barrier-free ultra-quiet casement folding door according to claim 1, characterized in that: A handle is provided on the front surface of the second door leaf (3); the heights of both ends of the door frame (1) are greater than those of the first door leaf (2) and the second door leaf (3); the door frame (1) being higher than the first door leaf (2) and the second door leaf (3) is used to prevent the first door leaf (2) and the second door leaf (3) from contacting the ground.
8. The barrier-free ultra-quiet casement folding door according to claim 1, characterized in that: The number of the lubricating components (5) is a plurality, and the plurality of lubricating components (5) are evenly distributed throughout the front surface of the mounting frame (41).