A linked sliding door

Abstract

The present invention relates to a linkage sliding door, which belongs to the technical field of sliding doors, comprising: a bottom guide rail, side frames are installed at both ends of the bottom guide rail, a top guide rail is installed between the two side frames, a first sliding door, a second sliding door and a third sliding door are slidingly connected between the top guide rail and the bottom guide rail, a first differential assembly is installed on the first sliding door, and the first sliding door and the second sliding door are connected by transmission via the first differential assembly. In this application, the first differential assembly is installed on the first sliding door, the first sliding door and the second sliding door are connected by transmission via the first differential assembly, the second differential assembly is installed on the second sliding door, and the second sliding door and the third sliding door are connected by transmission via the second differential assembly, so that the sliding doors can move synchronously, and the linkage is more stable to avoid shaking during movement, thereby improving the structural rationality and making it easy to install.

Description

Technical Field

[0001] The present invention belongs to the technical field of sliding doors, and in particular relates to a linkage sliding door. Background Art

[0002] A sliding door is a door that uses pulleys to support its sliding motion. This type of sliding door can be divided into three-linkage sliding doors, four-linkage sliding doors or multi-linkage sliding doors according to their style.

[0003] However, traditional linkage sliding doors are difficult to achieve synchronous movement. At the same time, traditional linkage sliding doors are characterized by unstable linkage and prone to shaking. In addition, the linkage mechanism on traditional linkage sliding doors has problems such as low strength, inconvenient installation and inaccurate installation position due to unreasonable structural design. Therefore, there is an urgent need for a sliding door to solve the above problems. Summary of the Invention

[0004] In order to solve the above technical problems, the present invention further proposes a linkage sliding door.

[0005] The specific technical solution of the present invention is as follows: A linked sliding door, comprising: a bottom guide rail, side frames are installed at both ends of the bottom guide rail, a top guide rail is installed between the two side frames, a first sliding door, a second sliding door and a third sliding door are slidingly connected between the top guide rail and the bottom guide rail, a first differential assembly is installed on the first sliding door, and the first sliding door and the second sliding door are connected by transmission through the first differential assembly, a second differential assembly is installed on the second sliding door, and the second sliding door and the third sliding door are connected by transmission through the second differential assembly.

[0006] The present application has side frames installed at both ends of the bottom guide rail, a top guide rail installed between the two side frames, a first sliding door, a second sliding door and a third sliding door slidingly connected between the top guide rail and the bottom guide rail, a first differential assembly installed on the first sliding door, the first sliding door and the second sliding door are connected by the first differential assembly, a second differential assembly installed on the second sliding door, the second sliding door and the third sliding door are connected by the second differential assembly, so that the sliding doors can move synchronously, and the linkage is more stable to avoid shaking during movement, thereby improving the structural rationality and making it easy to install.

[0007] Furthermore, the first differential assembly includes: a first gear and a second gear, the first sliding door is rotatably connected to the first gear and the second gear via a rotating shaft, the first gear and the second gear are connected via a double-sided toothed belt, and a toothed belt locking mechanism is installed on the second sliding door, which is engaged with the double-sided toothed belt.

[0008] In this application, a first gear and a second gear are connected to the first sliding door through a rotating shaft. The first gear and the second gear are connected by a double-sided toothed belt. A toothed belt locking mechanism is installed on the second sliding door. The toothed belt locking mechanism is engaged with the double-sided toothed belt, making the synchronous movement of the sliding door smoother and improving the strength of the linkage structure.

[0009] Furthermore, the first differential assembly and the second differential assembly have the same structure.

[0010] The present application provides parts commonality by making the first differential assembly and the second differential assembly identical in structure, thereby making maintenance more convenient.

[0011] Furthermore, the toothed belt locking mechanism includes: a first locking block and a second locking block, the first locking block and the second locking block are installed on the second sliding door, the first locking block and the second locking block are both engaged with the double-sided toothed belt, and the first locking block and the second locking block cooperate to lock the double-sided toothed belt.

[0012] In this application, a first locking block and a second locking block are installed on the second sliding door. The first locking block and the second locking block are both engaged with the double-sided toothed belt. The first locking block and the second locking block cooperate to lock the double-sided toothed belt, making the linkage more stable during pushing and pulling, and avoiding disengagement when the sliding doors are linked.

[0013] Furthermore, push-pull handles are installed on the first sliding door and the third sliding door.

[0014] The present application improves usability by installing push-pull handles on both the first sliding door and the third sliding door.

[0015] Furthermore, a plurality of anti-collision strips are installed on the side frame.

[0016] The present application installs multiple anti-collision strips on the side frame to prevent the sliding door from being damaged due to opening and closing impact, thereby increasing its service life.

[0017] Furthermore, a plurality of sliding blocks are installed on the first sliding door, the second sliding door and the third sliding door, and sliding grooves are provided on the bottom guide rail and the top guide rail, and the sliding blocks are slidably connected to the sliding grooves.

[0018] In this application, multiple sliders are installed on the first sliding door, the second sliding door and the third sliding door, and sliding grooves are provided on the bottom guide rail and the top guide rail. The sliders are slidably connected to the sliding grooves, thereby improving the stability of the sliding door movement.

[0019] Furthermore, the first locking block and the second locking block are both mounted on the second sliding door by bolts.

[0020] In this application, the first locking block and the second locking block are both installed on the second sliding door by bolts, making the installation more stable and preventing parts from falling off.

[0021] Furthermore, the slider is rotatably connected to a plurality of pulleys via a rotating shaft, and the pulleys are in contact with the surface of the slide groove.

[0022] In this application, a plurality of pulleys are connected to the slider through a rotating shaft, and the pulleys are in contact with the surface of the slide groove, making the movement of the sliding door smoother.

[0023] Furthermore, the bottom guide rail and the top guide rail are both connected to the side frame via connecting blocks.

[0024] In this application, both the bottom guide rail and the top guide rail are connected to the side frame through connecting blocks, which improves the structural strength and makes the installation more stable.

[0025] Beneficial effects:

[0026] The present application has side frames installed at both ends of the bottom guide rail, a top guide rail installed between the two side frames, a first sliding door, a second sliding door and a third sliding door slidingly connected between the top guide rail and the bottom guide rail, a first differential assembly installed on the first sliding door, the first sliding door and the second sliding door are connected by the first differential assembly, a second differential assembly installed on the second sliding door, the second sliding door and the third sliding door are connected by the second differential assembly, so that the sliding doors can move synchronously, and the linkage is more stable to avoid shaking during movement, thereby improving the structural rationality and making it easy to install.

[0027] In this application, a first gear and a second gear are connected to the first sliding door through a rotating shaft. The first gear and the second gear are connected by a double-sided toothed belt. A toothed belt locking mechanism is installed on the second sliding door. The toothed belt locking mechanism is engaged with the double-sided toothed belt, making the synchronous movement of the sliding door smoother and improving the strength of the linkage structure.

[0028] The present application provides parts commonality by making the first differential assembly and the second differential assembly identical in structure, thereby making maintenance more convenient.

[0029] In this application, a first locking block and a second locking block are installed on the second sliding door. The first locking block and the second locking block are both engaged with the double-sided toothed belt. The first locking block and the second locking block cooperate to lock the double-sided toothed belt, making the linkage more stable during pushing and pulling, and avoiding disengagement when the sliding doors are linked.

[0030] The present application improves usability by installing push-pull handles on both the first sliding door and the third sliding door.

[0031] The present application installs multiple anti-collision strips on the side frame to prevent the sliding door from being damaged due to opening and closing impact, thereby increasing its service life.

[0032] In this application, multiple sliders are installed on the first sliding door, the second sliding door and the third sliding door, and sliding grooves are provided on the bottom guide rail and the top guide rail. The sliders are slidably connected to the sliding grooves, thereby improving the stability of the sliding door movement.

[0033] In this application, the first locking block and the second locking block are both installed on the second sliding door by bolts, making the installation more stable and preventing parts from falling off.

[0034] In this application, a plurality of pulleys are connected to the slider through a rotating shaft, and the pulleys are in contact with the surface of the slide groove, making the movement of the sliding door smoother.

[0035] In this application, both the bottom guide rail and the top guide rail are connected to the side frame through connecting blocks, which improves the structural strength and makes the installation more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a structural schematic diagram of the present invention;

[0037] Figure 2 It is a schematic structural diagram of the top guide rail of the present invention;

[0038] Figure 3 Schematic diagram of the structure of the first differential assembly of the present invention;

[0039] Figure 4 Schematic diagram of the structure of the toothed belt locking mechanism of the present invention;

[0040] Description of the marks in the figure:

[0041] Bottom guide rail 1, side frame 2, top guide rail 3, first sliding door 4, second sliding door 5, third sliding door 6, first differential assembly 7, second differential assembly 8, first gear 71, second gear 72, double-sided toothed belt 73, toothed belt locking mechanism 74, first locking block 741, second locking block 742, push-pull handle 9, anti-collision strip 10, slider 11, slide groove 12, pulley 13, connecting block 14. DETAILED DESCRIPTION

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0043] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operate in a specific direction, and therefore should not be understood as limiting the present invention.

[0044] Example 1: Combination Figure 1 and Figure 2 A linkage sliding door is described, comprising: a bottom guide rail 1, side frames 2 are installed at both ends of the bottom guide rail 1, a top guide rail 3 is installed between the two side frames 2, a first sliding door 4, a second sliding door 5 and a third sliding door 6 are slidably connected between the top guide rail 3 and the bottom guide rail 1, a first differential assembly 7 is installed on the first sliding door 4, the first sliding door 4 and the second sliding door 5 are connected by the first differential assembly 7, a second differential assembly 8 is installed on the second sliding door 5, the second sliding door 5 and the third sliding door 6 are connected by the second differential assembly 8. Both are equipped with side frames 2, and a top guide rail 3 is installed between the two side frames 2. The first sliding door 4, the second sliding door 5 and the third sliding door 6 are slidingly connected between the top guide rail 3 and the bottom guide rail 1. The first sliding door 4 is equipped with a first differential assembly 7, and the first sliding door 4 and the second sliding door 5 are connected by the first differential assembly 7. The second sliding door 5 is equipped with a second differential assembly 8, and the second sliding door 5 and the third sliding door 6 are connected by the second differential assembly 8, so that the sliding doors can move synchronously, and the linkage is more stable to avoid shaking during movement, thereby improving the rationality of the structure and making it easy to install.

[0045] Example 2: Based on Example 1, Figure 3 and Figure 4 For explanation, the first differential assembly 7 includes: a first gear 71 and a second gear 72, the first sliding door 4 is rotatably connected to the first gear 71 and the second gear 72 via a rotating shaft, the first gear 71 and the second gear 72 are connected via a double-sided toothed belt 73, and a toothed belt locking mechanism 74 is installed on the second sliding door 5, and the toothed belt locking mechanism 74 is engaged with the double-sided toothed belt 73, so that the synchronous movement of the sliding door is smoother and the strength of the linkage structure is improved.

[0046] Example 3: Based on Example 1, Figure 1 For explanation, the first differential assembly 7 and the second differential assembly 8 have the same structure. The present application provides a parts commonality rate by making the first differential assembly 7 and the second differential assembly 8 have the same structure, making maintenance more convenient.

[0047] Example 4: Based on Example 2, Figure 4For explanation, the toothed belt locking mechanism 74 includes: a first locking block 741 and a second locking block 742, and the first locking block 741 and the second locking block 742 are installed on the second sliding door 5, and the first locking block 741 and the second locking block 742 are both engaged with the double-sided toothed belt 73, and the first locking block 741 and the second locking block 742 cooperate to lock the double-sided toothed belt 73. In this application, the first locking block 741 and the second locking block 742 are installed on the second sliding door 5, and the first locking block 741 and the second locking block 742 are both engaged with the double-sided toothed belt 73, and the first locking block 741 and the second locking block 742 cooperate to lock the double-sided toothed belt 73, so that the linkage during pushing and pulling is more stable, and the sliding door is prevented from being disengaged during linkage.

[0048] Example 5: Based on Example 1, Figure 1 For explanation, push-pull handles 9 are installed on both the first sliding door 4 and the third sliding door 6 . The present application improves the usability by installing push-pull handles 9 on both the first sliding door 4 and the third sliding door 6 .

[0049] Example 6: Based on Example 1, Figure 1 For explanation, a plurality of anti-collision strips 10 are installed on the side frame 2. The present application prevents the sliding door from being damaged due to opening and closing impact by installing a plurality of anti-collision strips 10 on the side frame 2, thereby improving the service life.

[0050] Example 7: Based on Example 1, Figure 2-Figure 4 For explanation, a plurality of sliders 11 are installed on the first sliding door 4, the second sliding door 5 and the third sliding door 6, a sliding groove 12 is provided on the bottom guide rail 1 and the top guide rail 3, and the sliders 11 are slidably connected to the sliding groove 12. In this application, a plurality of sliders 11 are installed on the first sliding door 4, the second sliding door 5 and the third sliding door 6, a sliding groove 12 is provided on the bottom guide rail 1 and the top guide rail 3, and the sliders 11 are slidably connected to the sliding groove 12, thereby improving the stability of the sliding door movement.

[0051] Example 8: Based on Example 4, Figure 4 For explanation, the first locking block 741 and the second locking block 742 are both mounted on the second sliding door 5 by bolts. In this application, the first locking block 741 and the second locking block 742 are both mounted on the second sliding door 5 by bolts, which makes the installation more stable and prevents parts from falling off.

[0052] Example 9: Based on Example 7, Figure 3 and Figure 4 For explanation, the slider 11 is rotatably connected to a plurality of pulleys 13 via a rotating shaft, and the pulleys 13 are in contact with the surface of the slide groove 12. In this application, the slider 11 is rotatably connected to a plurality of pulleys 13 via a rotating shaft, and the pulleys 13 are in contact with the surface of the slide groove 12, so that the movement of the sliding door is smoother.

[0053] Example 10: Based on Example 1, Figure 1 For explanation, the bottom guide rail 1 and the top guide rail 3 are both connected to the side frame 2 through the connecting block 14. In this application, the bottom guide rail 1 and the top guide rail 3 are both connected to the side frame 2 through the connecting block 14, which improves the structural strength and makes the installation more stable.

[0054] Working process:

[0055] During installation, first install the side frame 2 on the wall with bolts, place the pulleys 13 and sliders 11 of the first sliding door 4, the second sliding door 5, and the third sliding door 6 in the slide groove 12, slide the first sliding door 4, the second sliding door 5, and the third sliding door 6 into the bottom guide rail 1 and the top guide rail 3, and install the bottom guide rail 1 and the top guide rail 3 on the ground and the roof respectively with bolts.

[0056] When opening the door, the first sliding door 4 is first driven by pushing and pulling the handle 9. The movement of the first sliding door 4 drives the first gear 71 and the second gear 72 to rotate. The first gear 71 and the second gear 72 drive the double-sided toothed belt 73 to move. The double-sided toothed belt 73 drives the second sliding door 5 to move and open at the same time through the toothed belt locking mechanism 74. At the same time, the second sliding door 5 drives the third sliding door 6 to move and open through the second differential assembly 8.

[0057] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0058] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A linked sliding door, comprising: A bottom guide rail (1), side frames (2) are installed at both ends of the bottom guide rail (1), a top guide rail (3) is installed between the two side frames (2), a first sliding door (4), a second sliding door (5) and a third sliding door (6) are slidably connected between the top guide rail (3) and the bottom guide rail (1), a first differential assembly (7) is installed on the first sliding door (4), and the first sliding door (4) and the second sliding door (5) are connected in transmission via the first differential assembly (7), a second differential assembly (8) is installed on the second sliding door (5), and the second sliding door (5) and the third sliding door (6) are connected in transmission via the second differential assembly (8); The first differential assembly (7) includes: a first gear (71) and a second gear (72); the first sliding door (4) is rotatably connected to the first gear (71) and the second gear (72) via a rotating shaft; the first gear (71) and the second gear (72) are connected via a double-sided toothed belt (73); a toothed belt locking mechanism (74) is installed on the second sliding door (5); the toothed belt locking mechanism (74) is engaged with the double-sided toothed belt (73); The first differential assembly (7) and the second differential assembly (8) have the same structure; The toothed belt locking mechanism (74) includes: a first locking block (741) and a second locking block (742); the first locking block (741) and the second locking block (742) are installed on the second sliding door (5); the first locking block (741) and the second locking block (742) are both engaged with the double-sided toothed belt (73); the first locking block (741) and the second locking block (742) cooperate to lock the double-sided toothed belt (73); A plurality of sliders (11) are installed on the first sliding door (4), the second sliding door (5) and the third sliding door (6); a slide groove (12) is provided on the bottom guide rail (1) and the top guide rail (3); and the sliders (11) are slidably connected to the slide grooves (12); The first locking block (741) and the second locking block (742) are both mounted on the second sliding door (5) via bolts; The slider (11) is rotatably connected to a plurality of pulleys (13) via a rotating shaft, and the pulleys (13) are in contact with the surface of the chute (12).

2. A linkage sliding door according to claim 1, characterized in that: The first sliding door (4) and the third sliding door (6) are both equipped with push-pull handles (9).

3. The linkage sliding door according to claim 1, characterized in that: A plurality of anti-collision strips (10) are installed on the side frame (2).

4. The linkage sliding door according to claim 1, characterized in that: The bottom guide rail (1) and the top guide rail (3) are both connected to the side frame (2) via a connecting block (14).

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