Lower supporting structure of sliding door

Abstract

The utility model discloses a lower supporting structure of a sliding door, which comprises a base, a first supporting block, a second supporting block and a third supporting block, the base is connected with the first supporting block, the second supporting block and the third supporting block, a sliding area is arranged between the first supporting block and the third supporting block, a fixed area is arranged between the second supporting block and the third supporting block, and the first supporting block is connected with the fixed area. The movable glass door slides in the sliding area, the fixed glass door is fixed in the fixed area, the first supporting block and the third supporting block are each provided with a rolling wheel, the two rolling wheels are oppositely arranged, a fixing bolt is arranged between the second supporting block and the third supporting block, and the fixing bolt penetrates through the third supporting block and is in threaded connection with the second supporting block. The third supporting block is in movable contact with the base, the distance between the first supporting block and the second supporting block can be adjusted through the base, the size of the sliding area and the size of the fixed area can be adjusted, the range of being suitable for the glass door is wider, and after the installed glass door shakes, the glass door can be adjusted again to be kept stable.

Description

Technical Field

[0001] The utility model belongs to the technical field of shower room sliding doors, and more particularly relates to a lower supporting structure of a sliding door. Background Art

[0002] Existing movable shower room doors include two types: top-supported sliding doors and top-bottom supported sliding doors. In the existing top-bottom supported sliding doors, support rollers are provided at both the top and bottom ends of the sliding door. However, the lower roller support at the bottom cannot be well adjusted, has a small application range, and the glass door will shake after a long time. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a lower support structure for a sliding door, which is adjustable and makes the glass door more stable after installation.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a lower support structure of a sliding door, comprising a base, a first support block, a second support block and a third support block, the base connecting the first support block, the second support block and the third support block, a sliding area between the first support block and the third support block, a fixed area between the second support block and the third support block, the movable glass door slides in the sliding area, and the fixed glass door is fixed in the fixed area, rollers are provided on the first support block and the third support block, and the two rollers are arranged opposite to each other, a fixing bolt is provided between the second support block and the third support block, the fixing bolt passes through the third support block and is threadedly connected to the second support block, the third support block is in movably contact with the base, and the base can adjust the distance between the first support block and the second support block.

[0005] Furthermore, the base includes a first base plate and a second base plate, the second base plate is slidably connected to the first base plate, the third support block is adjustably connected to the second base plate, the first base plate is connected to the first support block and forms an L shape, and the second base plate is connected to the second support block and forms an L shape.

[0006] Furthermore, the cross section of the first base plate is T-shaped, and the second base plate is provided with a T-shaped slot.

[0007] Furthermore, a waist-shaped hole is provided on the first base plate, an adjusting bolt is provided in the waist-shaped hole, and the adjusting bolt is threadedly connected to the second base plate.

[0008] Furthermore, an adjustment slot is provided on the second base plate, and an adjustment block is provided on the third support block. The adjustment block is located in the adjustment slot, and the adjustment slot is larger than the adjustment block, so that the third support block can translate between the first support block and the second support block.

[0009] Furthermore, a connecting column is provided on the second supporting block, a threaded hole corresponding to a fixing bolt is provided on the connecting column, and an elastic sleeve is provided on the outer sleeve of the connecting column.

[0010] Furthermore, elastic gaskets are provided on the side surfaces within the fixing area.

[0011] Furthermore, a connecting block is provided on a side of the first supporting block away from the third supporting block.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: according to the thickness of the fixed glass door and the movable glass door, the first base plate and the second base plate slide relative to each other, so as to adjust the distance between the first support block and the second support block, that is, adjust the width of the fixed area and the sliding area, and then fix the fixed glass door in the fixed area, and place the movable glass door in the sliding area to complete the installation. The adjustable base enables the lower support to adapt to movable glass doors and fixed glass doors of different thicknesses, and has a wider range of applications. Moreover, the glass door can be readjusted after shaking to maintain the stability of the glass door. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of the lower support structure of the sliding door of the present invention;

[0014] Figure 2 This is a schematic cross-sectional view of the lower support structure of the sliding door of the present invention;

[0015] Figure 3 This is a structural diagram of the first support block and the first base plate in the lower support structure of the sliding door of the present invention;

[0016] Figure 4 This is a structural schematic diagram of the second supporting block and the second base plate in the lower supporting structure of the sliding door of the present invention;

[0017] Figure 5 This is a structural schematic diagram of the third support block in the lower support structure of the sliding door of the present invention.

[0018] Figure numerals: first support block 1; second support block 2; third support block 3; sliding area 4; fixing area 5; roller 6; fixing bolt 7; first base plate 8; second base plate 9; T-slot 10; waist-shaped hole 11; adjusting bolt 12; adjusting slot 13; adjusting block 14; connecting column 15; threaded hole 16; elastic sleeve 17; elastic gasket 18; connecting block 19. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be noted that, for directional words, such as the terms "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and so on, indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific protection scope of the present invention.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Therefore, the terms "first" and "second" may explicitly or implicitly refer to one or more of these features. In the description of this utility model, "several" and "a number" mean two or more, unless otherwise specifically defined.

[0021] Reference Figures 1 to 5 The utility model is further described.

[0022] A lower support structure of a sliding door includes a base, a first support block, a second support block and a third support block, the base connects the first support block, the second support block and the third support block, a sliding area is between the first support block and the third support block, a fixed area is between the second support block and the third support block, the movable glass door slides in the sliding area, and the fixed glass door is fixed in the fixed area, rollers are provided on the first support block and the third support block, and the two rollers are arranged opposite to each other, a fixing bolt is provided between the second support block and the third support block, the fixing bolt passes through the third support block and is threadedly connected to the second support block, the third support block is in movably contact with the base, and the base can adjust the distance between the first support block and the second support block.

[0023] In this embodiment, it is preferred that the roller be coated with an elastic layer to reduce damage to the movable glass door during sliding.

[0024] like Figures 1 to 4 As shown, in this example, preferably, the base includes a first base plate and a second base plate, the second base plate is slidably connected to the first base plate, the third support block is adjustably connected to the second base plate, the first base plate is connected to the first support block and forms an L shape, and the second base plate is connected to the second support block and forms an L shape.

[0025] like Figure 3 and Figure 4As shown, in this example, preferably, the cross-section of the first base plate is T-shaped, and a T-shaped slot is provided on the second base plate.

[0026] like Figure 2 and Figure 3 As shown, in this example, preferably, a waist-shaped hole is provided on the first base plate, an adjusting bolt is provided in the waist-shaped hole, and the adjusting bolt is threadedly connected to the second base plate.

[0027] like Figure 2 As shown, in this example, preferably, an adjustment slot is provided on the second base plate, and an adjustment block is provided on the third support block. The adjustment block is located in the adjustment slot, and the adjustment slot is larger than the adjustment block, so that the third support block can be translated between the first support block and the second support block.

[0028] like Figure 2 As shown, in this example, preferably, a connecting column is provided on the second supporting block, a threaded hole corresponding to the fixing bolt is provided on the connecting column, and an elastic sleeve is provided on the outer sleeve of the connecting column. When connecting the fixed glass door, the third supporting block is first moved away to align the through hole corresponding to the fixing bolt on the fixed glass door with the connecting column on the second supporting block, and then the fixed glass door is moved to make the connecting column and the elastic sleeve extend into the through hole of the fixed glass door, and then the third supporting block is moved, and the fixing bolt passes through the fixed glass door and is threadedly connected to the connecting column, and the fixing bolt is tightened to clamp the fixed glass door.

[0029] like Figure 1 and Figure 2 As shown, in this embodiment, preferably, elastic gaskets are provided on the side surfaces within the fixing area to improve the clamping effect of fixing the glass door.

[0030] like Figure 1 As shown, in this example, preferably, a connecting block is provided on a side of the first supporting block away from the third supporting block.

[0031] like Figures 1 to 5 As shown, according to the thickness of the fixed glass door and the movable glass door, the first base plate and the second base plate slide relative to each other, and the distance between the first support block and the second support block is adjusted. After adjustment, the first base plate and the second base plate are fixed by adjusting bolts, and then the lower support as a whole is fixedly connected to the support rail through the connecting block on the first support block;

[0032] First, install the fixed glass door in the fixing area between the second support block and the third support block. The fixing bolt on the third support block passes through the fixed glass door and then is threadedly connected to the connecting column on the second support block. When the fixing bolt is tightened, the screw head of the fixing bolt pushes the third support block toward the fixed glass door. After tightening the fixing bolt, the third support block and the second support block clamp the fixed glass door.

[0033] Then place the bottom end of the sliding door glass in the sliding area between the first support block and the second support block. The rollers on the first support block and the third support block can better contact both sides of the sliding glass door, and there is a gap between the bottom end of the sliding glass door and the bottom end of the fixed area to complete the installation.

[0034] By adjusting the base, the gap between the first support block and the second support block is changed, that is, the size between the sliding area and the fixed area is changed, so that it can adapt to sliding glass doors and fixed glass doors of different thicknesses, with a wider range of applications. After the glass door shakes, it can be readjusted to maintain the stability of the glass door.

[0035] It includes a base, a first support block 1, a second support block 2 and a third support block 3, the base connects the first support block 1, the second support block 2 and the third support block 3, a sliding area 4 is between the first support block 1 and the third support block 3, and a fixed area 5 is between the second support block 2 and the third support block 3. The movable glass door slides in the sliding area 4, and the fixed glass door is fixed in the fixed area 5. The first support block 1 and the third support block 3 are both provided with rollers 6, and the two rollers 6 are arranged opposite to each other. A fixing bolt 7 is provided between the second support block 2 and the third support block 3, the fixing bolt 7 passes through the third support block 3 and is threadedly connected to the second support block 2, the third support block 3 is in movably contact with the base, and the base can adjust the distance between the first support block 1 and the second support block 2.

[0036] In this embodiment, it is preferred that the roller 6 can be coated with an elastic layer to reduce damage to the movable glass door during sliding.

[0037] like Figures 1 to 4 As shown, in this example, preferably, the base includes a first base plate 8 and a second base plate 9, the second base plate 9 is slidably connected to the first base plate 8, the third support block 3 is adjustably connected to the second base plate 9, the first base plate 8 is connected to the first support block 1, and forms an L shape, and the second base plate 9 is connected to the second support block 2, and forms an L shape.

[0038] like Figure 3 and Figure 4 As shown, in this embodiment, preferably, the cross section of the first base plate 8 is T-shaped, and a T-shaped slot 10 is provided on the second base plate 9.

[0039] like Figure 2 and Figure 3 As shown, in this example, preferably, a waist-shaped hole 11 is provided on the first base plate 8 , an adjusting bolt 12 is provided in the waist-shaped hole 11 , and the adjusting bolt 12 is threadedly connected to the second base plate 9 .

[0040] like Figure 2As shown, in this example, preferably, an adjustment groove 13 is provided on the second base plate 9, and an adjustment block 14 is provided on the third support block 3. The adjustment block 14 is located in the adjustment groove 13, and the adjustment groove 13 is larger than the adjustment block 14, so that the third support block 3 can be translated between the first support block 1 and the second support block 2.

[0041] like Figure 2 As shown, in this example, preferably, a connecting column 15 is provided on the second supporting block 2, and a threaded hole 16 corresponding to the fixing bolt 7 is provided on the connecting column 15. An elastic sleeve 17 is provided on the outer sleeve of the connecting column 15. When connecting the fixed glass door, the third supporting block 3 is first removed, so that the through hole corresponding to the fixing bolt on the fixed glass door is aligned with the connecting column 15 on the second supporting block 2, and then the fixed glass door is moved so that the connecting column 15 and the elastic sleeve 17 extend into the through hole of the fixed glass door, and then the third supporting block 3 is moved, and the fixing bolt 7 passes through the fixed glass door and is threadedly connected to the connecting column 15. After tightening the fixing bolt 7, the fixed glass door is clamped.

[0042] like Figure 1 and Figure 2 As shown, in this embodiment, preferably, elastic gaskets 18 are provided on the side surfaces in the fixing area to improve the clamping effect of fixing the glass door.

[0043] like Figure 1 As shown, in this embodiment, preferably, a connecting block 19 is provided on a side of the first supporting block 1 away from the third supporting block 3 .

[0044] like Figures 1 to 5 As shown, according to the thickness of the fixed glass door and the movable glass door, the first base plate 8 and the second base plate 9 slide relative to each other, and the distance between the first support block 1 and the second support block 2 is adjusted. After adjustment, the first base plate 8 and the second base plate 9 are fixed by adjusting bolts 12, and then the lower support as a whole is fixedly connected to the support rail through the connecting block 19 on the first support block 1;

[0045] First, install the fixed glass door in the fixing area 5 between the second support block 2 and the third support block 3. The fixing bolt 7 on the third support block 3 passes through the fixed glass door and is then threadedly connected to the connecting column 15 on the second support block 2. When the fixing bolt 7 is tightened, the screw head of the fixing bolt 7 pushes the third support block 3 toward the fixed glass door. After tightening the fixing bolt 7, the third support block 3 and the second support block 2 clamp the fixed glass door.

[0046] Then place the bottom end of the sliding door glass in the sliding area 4 between the first support block 1 and the second support block 2. The rollers 6 on the first support block 1 and the third support block 3 can better contact both sides of the sliding glass door, and there is a gap between the bottom end of the sliding glass door and the bottom end of the fixed area 5 to complete the installation.

[0047] By adjusting the base, the gap between the first support block 1 and the second support block 2 is changed, that is, the size between the sliding area 4 and the fixed area 5 is changed, so that it can adapt to sliding glass doors and fixed glass doors of different thicknesses, with a wider range of applications. After the glass door shakes, it can be readjusted to maintain the stability of the glass door.

[0048] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A lower support structure for a sliding door, characterized by: The invention comprises a base, a first support block, a second support block and a third support block, wherein the base connects the first support block, the second support block and the third support block, a sliding area is formed between the first support block and the third support block, a fixed area is formed between the second support block and the third support block, the movable glass door slides in the sliding area, and the fixed glass door is fixed in the fixed area, rollers are provided on the first support block and the third support block, and the two rollers are arranged opposite to each other, a fixing bolt is provided between the second support block and the third support block, the fixing bolt passes through the third support block and is threadedly connected to the second support block, the third support block is in movably contact with the base, and the base can adjust the distance between the first support block and the second support block.

2. The lower support structure of the sliding door according to claim 1, characterized in that: The base includes a first base plate and a second base plate, the second base plate is slidably connected to the first base plate, the third support block is adjustably connected to the second base plate, the first base plate is connected to the first support block and forms an L shape, and the second base plate is connected to the second support block and forms an L shape.

3. The lower support structure of the sliding door according to claim 2, characterized in that: The first base plate has a T-shaped cross section, and the second base plate is provided with a T-shaped slot.

4. The lower support structure of the sliding door according to claim 2, characterized in that: A waist-shaped hole is provided on the first base plate, an adjusting bolt is provided in the waist-shaped hole, and the adjusting bolt is threadedly connected to the second base plate.

5. The lower support structure of the sliding door according to claim 2, characterized in that: The second base plate is provided with an adjustment slot, and the third support block is provided with an adjustment block. The adjustment block is located in the adjustment slot, and the adjustment slot is larger than the adjustment block, so that the third support block can translate between the first support block and the second support block.

6. The lower support structure of the sliding door according to claim 1, characterized in that: The second supporting block is provided with a connecting column, the connecting column is provided with a threaded hole corresponding to the fixing bolt, and the outer shell of the connecting column is provided with an elastic sleeve.

7. The lower support structure of the sliding door according to claim 1, characterized in that: Elastic gaskets are arranged on the side surfaces in the fixing area.

8. The lower support structure of the sliding door according to claim 1, characterized in that: A connecting block is provided on a side of the first supporting block away from the third supporting block.

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