Anti-falling limiting mechanism of sliding door

Abstract

The utility model discloses a sliding door anti-drop limiting mechanism, which comprises an upper section bar, a bottom section bar, an upper pulley seat, a bottom pulley seat, a connecting piece and a limiting bolt, the upper pulley seat is arranged in the upper section bar and is arranged at the top of a sliding door, the bottom pulley seat is arranged in the bottom section bar and is arranged at the bottom of the sliding door, and the connecting piece is arranged in the bottom section bar and is arranged at the bottom of the sliding door. The limiting bolt is fixed to the ground, the upper profile is provided with a fixed profile and a movable frame, the movable frame is slidably connected to the lower portion of the fixed profile, the movable frame is provided with a positioning area and a pulley installation cavity, the positioning area is located below the pulley installation cavity, the rolling groove is located above the fixed profile, and the upper pulley base is connected with the pulley installation cavity and extends into the rolling groove. The limiting blocks are correspondingly arranged on the two sides of the positioning area. The sliding door has the beneficial effects that the sliding door has the advantages of being convenient to install, stable in operation and durable, and then the problems that the sliding door does not move smoothly and even is blocked due to the problems that the door body shakes and the rail deforms are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sliding doors, in particular to an anti-slip limiting mechanism for sliding doors. Background Art

[0002] Most existing sliding door connection mechanisms are composed of upper and lower profiles and pulleys, such as Figure 7 As shown, although it can meet the basic sliding and pulling functions, problems such as door shaking and track deformation may easily occur during long-term use, causing the sliding door to move unsmoothly or even get stuck, affecting the use effect. Utility Model Content

[0003] (1) Technical problems solved

[0004] In response to the shortcomings of the existing technology, the utility model provides a sliding door anti-slip limit mechanism, which has the advantages of easy installation, smooth operation and durability, thereby solving the problem of door body shaking and track deformation, which causes the sliding door to move unsmoothly or even get stuck, affecting the use effect.

[0005] (2) Technical solution

[0006] In order to achieve the above advantages of easy installation, stable operation and durability, the specific technical solutions adopted by this utility model are as follows:

[0007] A sliding door anti-slip limit mechanism includes an upper profile, a bottom profile, an upper pulley seat, a bottom pulley seat, a connecting piece and a limiting bolt. The upper pulley seat is arranged inside the upper profile and installed on the top of the sliding door. The bottom pulley seat is arranged inside the bottom profile and installed on the bottom of the sliding door. The limiting bolt is fixed to the ground. The upper profile is provided with a fixed profile and a movable frame. The movable frame is slidably connected to the bottom of the fixed profile. The movable frame is provided with a positioning area and a pulley mounting cavity. The positioning area is located below the pulley mounting cavity. The fixed profile is provided with a rolling groove and a limiting block. The rolling groove is located above the fixed profile. The upper pulley seat is connected to the pulley mounting cavity and extends into the rolling groove. The limiting blocks correspond to both sides of the positioning area.

[0008] Furthermore, both the upper profile and the bottom profile are provided with mounting holes, which are reserved holes.

[0009] Furthermore, the bottom profile is an array and is provided with an installation area, a guide groove and a roller installation groove. The installation area is arranged at the top of the bottom profile, the guide groove and the roller installation groove are located on the lower side of the installation area, the two groups of guide grooves are located on both sides of the roller installation groove, and the bottom pulley seat is installed in the roller installation groove.

[0010] Furthermore, the bottom pulley seat is a pulley block with a height adjustable.

[0011] Furthermore, a gap is left between the limiting block and the side of the pulley installation cavity.

[0012] Furthermore, the connecting member is provided with a positioning plate, the positioning plate is connected to a guide wheel, the guide wheel is rollingly connected in the guide groove, and the positioning plate is connected to the outer side of the bottom profile by screws.

[0013] Furthermore, an array of adjustment holes is provided on the longitudinal block surface of the positioning plate.

[0014] Furthermore, the limiting bolt is an expansion screw, which is provided with an expansion sleeve and a locking screw. The expansion sleeve is inserted into the ground, and the locking screw is fastened to the expansion sleeve through a thread. The end cap of the locking screw is Z-shaped.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the present invention provides a sliding door anti-slip limit mechanism, which has the following beneficial effects:

[0017] The upper pulley seat is screwed into the pulley mounting cavity. Grooves position the pulleys on the upper pulley seat, and side limiters limit the pulley mounting cavity, allowing the movable frame to move smoothly. The lower pulley seat is screwed to the bottom profile, and the positioning plate is screwed to the outside of the bottom profile. This facilitates the positioning plate's installation on any set of bottom profiles, achieving a sliding connection. The expansion sleeve is inserted into the ground, and the locking screw is threadedly connected to the expansion sleeve. The locking screw has a Z-shaped end cap. The Z-shaped locking screw allows for fine-tuning of the angle to achieve a limiting effect. This results in an overall sliding door that is easy to install, operates smoothly, and is durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a structural diagram of the upper profile 1 of the utility model;

[0020] Figure 2 It is a schematic structural diagram of the bottom profile 2 of the present utility model;

[0021] Figure 3 is a bottom view of the bottom profile 2;

[0022] Figure 4It is a schematic diagram of the bottom profile 2 and the limiting bolt 6 of the utility model;

[0023] Figure 5 It is a structural diagram of the connecting member 5 of the present utility model;

[0024] Figure 6 This is a schematic structural diagram of the limit bolt 6 of the utility model;

[0025] Figure 7 It is a schematic diagram of the upper connection of the profile in the prior art.

[0026] In the figure: upper profile 1, bottom profile 2, upper pulley seat 3, bottom pulley seat 4, connecting part 5, limit bolt 6, mounting hole 7, fixed profile 11, movable frame 12, positioning area 121, pulley mounting cavity 122, rolling groove 111, limit block 112, mounting area 21, guide groove 22, roller mounting groove 23, positioning plate 51, guide wheel 52, adjustment hole 53, expansion sleeve 61, locking screw 62. DETAILED DESCRIPTION

[0027] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0028] According to an embodiment of the present utility model, a sliding door anti-slip limiting mechanism is provided.

[0029] The present invention will now be further described with reference to the accompanying drawings and specific embodiments. Figure 1-6As shown, according to an embodiment of the present invention, a sliding door anti-slip limit mechanism comprises an upper profile 1, a bottom profile 2, an upper pulley seat 3, a bottom pulley seat 4, a connecting member 5 and a limiting bolt 6. The upper pulley seat 3 is arranged inside the upper profile 1 and is installed at the top of the sliding door. The bottom pulley seat 4 is arranged inside the bottom profile 2 and is installed at the bottom of the sliding door. The limiting bolt 6 is fixed to the ground. The upper profile 1 is provided with a fixed profile 11 and a movable frame 12. The movable frame 12 is slidably connected to the bottom of the fixed profile 11. The movable frame 12 is provided with a positioning area 121 and a pulley mounting cavity 122. The positioning area 121 and the pulley mounting cavity 122 are provided. The area 121 is located below the pulley mounting cavity 122. The fixed profile 11 is provided with a rolling groove 111 and a limit block 112. The rolling groove 111 is located above the fixed profile 11. The upper pulley seat 3 is connected to the pulley mounting cavity 122 and extends into the rolling groove 111. The fixed profile 11 and the bottom profile 2 are installed in the specified position. The upper pulley seat 3 is installed in the pulley mounting cavity 122 by screws. The rolling groove 111 positions the pulley of the upper pulley seat 3. The limit blocks 112 on both sides limit the pulley mounting cavity 122 so that the movable frame 12 can move smoothly. The limit blocks 112 correspond to both sides of the positioning area 121.

[0030] In one embodiment, both the upper profile 1 and the bottom profile 2 are provided with mounting holes 7, which are pre-reserved holes, so that they can be assembled quickly and accurately during on-site installation to form a mounting frame.

[0031] In one embodiment, the bottom profile 2 is an array and is provided with a mounting area 21, a guide groove 22, and a roller mounting groove 23. The mounting area 21 is provided at the top of the bottom profile 2, the guide groove 22 and the roller mounting groove 23 are located on the lower side of the mounting area 21, and two sets of guide grooves 22 are located on both sides of the roller mounting groove 23. The bottom pulley seat 4 is installed in the roller mounting groove 23. The bottom pulley seat 4 is mounted and connected to the bottom profile 2 by screws.

[0032] In one embodiment, the bottom pulley seat 4 is a height-liftable pulley block, so that the vertical movable height of the sliding door can be adjusted.

[0033] In one embodiment, a gap is left between the limiting block 112 and the side of the pulley mounting cavity 122. This allows the limiting block 112 to limit the movable frame 12 while also reducing displacement of the movable frame 12 during movement.

[0034] In one embodiment, the connector 5 is provided with a positioning plate 51, to which a guide wheel 52 is connected. The guide wheel 52 is rollingly connected in the guide groove 22, and the positioning plate 51 is connected to the outer side of the bottom profile 2 by screws. This facilitates the installation of the positioning plate 51 on any group of bottom profiles 2 to achieve a sliding connection.

[0035] In one embodiment, a plurality of adjustment holes 53 are provided on the longitudinal block surface of the positioning plate 51. The height of the positioning plate 51 is adjustable to accommodate bottom profiles 2 of different heights.

[0036] In one embodiment, the limiting bolt 6 is an expansion screw, which is provided with an expansion sleeve 61 and a locking screw 62. The expansion sleeve 61 is inserted into the ground, and the locking screw 62 is fastened to the expansion sleeve 61 via a thread. The end cap of the locking screw 62 is Z-shaped. The angle of the Z-shaped locking screw 62 can be finely adjusted to achieve a limiting effect.

[0037] Working Principle: The fixed profile 11 and the bottom profile 2 are installed in the designated positions. The upper pulley seat 3 is screwed into the pulley mounting cavity 122. The rolling groove 111 positions the pulley of the upper pulley seat 3. The side limit blocks 112 limit the pulley mounting cavity 122, allowing the movable frame 12 to move smoothly. The bottom pulley seat 4 is screwed to the bottom profile 2. The positioning plate 51 is screwed to the outside of the bottom profile 2. This facilitates the installation of the positioning plate 51 on any set of bottom profiles 2, achieving a sliding connection. The expansion sleeve 61 is inserted into the ground, and the locking screw 62 is threadedly connected to the expansion sleeve 61. The end cap of the locking screw 62 is Z-shaped. The angle of the Z-shaped locking screw 62 can be fine-tuned to achieve a limiting effect.

[0038] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sliding door anti-slip limit mechanism, characterized by: The invention comprises an upper profile (1), a bottom profile (2), an upper pulley seat (3), a bottom pulley seat (4), a connecting piece (5) and a limiting bolt (6); the upper pulley seat (3) is arranged inside the upper profile (1) and is installed on the top of the sliding door; the bottom pulley seat (4) is arranged inside the bottom profile (2) and is installed on the bottom of the sliding door; the limiting bolt (6) is fixed to the ground; the upper profile (1) is provided with a fixed profile (11) and a movable frame (12); the movable frame (12) is slidably connected to the fixed profile The movable frame (12) is provided with a positioning area (121) and a pulley installation cavity (122), the positioning area (121) is located below the pulley installation cavity (122), the fixed profile (11) is provided with a rolling groove (111) and a limiting block (112), the rolling groove (111) is located above the fixed profile (11), the upper pulley seat (3) is connected to the pulley installation cavity (122) and extends into the rolling groove (111), and the limiting blocks (112) are corresponding to both sides of the positioning area (121).

2. The sliding door anti-slip limit mechanism according to claim 1, characterized in that: The upper profile (1) and the bottom profile (2) are both provided with mounting holes (7), and the mounting holes (7) are reserved holes.

3. The sliding door anti-slip limit mechanism according to claim 1, characterized in that: The bottom profile (2) is an array and is provided with an installation area (21), a guide groove (22) and a roller installation groove (23). The installation area (21) is arranged at the top of the bottom profile (2), the guide groove (22) and the roller installation groove (23) are located on the lower side of the installation area (21), the two groups of guide grooves (22) are located on both sides of the roller installation groove (23), and the bottom pulley seat (4) is installed in the roller installation groove (23).

4. The sliding door anti-slip limit mechanism according to claim 1, characterized in that: The bottom pulley seat (4) is a pulley block with height-lifting capability.

5. The sliding door anti-slip limit mechanism according to claim 1, characterized in that: A gap is left between the limiting block (112) and the side of the pulley installation cavity (122).

6. The sliding door anti-slip limit mechanism according to claim 1, characterized in that: The connecting member (5) is provided with a positioning plate (51), a guide wheel (52) is connected to the positioning plate (51), the guide wheel (52) is rollingly connected in the guide groove (22), and the positioning plate (51) is connected to the outer side of the bottom profile (2) by screws.

7. The sliding door anti-slip limit mechanism according to claim 6, characterized in that: An array of adjustment holes (53) is provided on the longitudinal block surface of the positioning plate (51).

8. The sliding door anti-slip limit mechanism according to claim 1, characterized in that: The limiting bolt (6) is an expansion screw, and the limiting bolt (6) is provided with an expansion sleeve (61) and a locking screw (62). The expansion sleeve (61) is inserted on the ground, and the locking screw (62) is fastened to the expansion sleeve (61) through a thread, and the end cap of the locking screw (62) is Z-shaped.

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