Aluminum alloy lower guide rail of sliding door

Abstract

The utility model discloses a sliding door aluminum alloy lower guide rail which comprises panels fixedly connected to the two side faces of a door leaf / door framework, a lower guide rail body, the ground and guide wheels fixedly connected to the ground, and the two side faces of the lower guide rail body extend outwards to form straight edges which are of an integrated structure with the lower guide rail body. The bottom end of the panel is bent to form a hook, and the hook is matched with the straight edge; grooves are reserved in the inner walls of the two sides of the lower guide rail body, and filling strips are arranged in the grooves. The two side faces, located on the top, of the lower guide rail body are bent to form symmetrical right-angle openings respectively. And an opening for rolling of the guide wheel is reserved in the downward middle position of the lower guide rail body. The lower guide rail is convenient to disassemble and assemble and high in firmness strength, the filling strips are installed on the two sides of the lower guide rail body for door lower sealing, gaps are avoided, the sealing effect in the using process can be effectively improved, impurities are prevented from entering the lower guide rail body, and the smoothness of a sliding door in the displacement process is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of sliding doors, in particular to an aluminum alloy lower guide rail for sliding doors. Background Art

[0002] Sliding door refers to a door that is connected to a pulley and can move on a fixed track. It is also called a sliding door and is a common door in homes. Sliding doors are usually composed of door frames, door leaves, upper and lower guide rails, pulleys, positioners, anti-collision strips, etc. Among them, hanging sliding doors are a type of door widely used in modern buildings. The bottom slide rail of the door leaf is pulled by the upper hanging wheel, and the door leaf is pushed and pulled horizontally under the guidance of the guide rail on the ground to realize the opening and closing of the door. It is not only beautiful, but also saves space and is easy to use.

[0003] The door panels of the hanging sliding doors in the prior art are generally bonded to the aluminum alloy lower track. This is not only weak in strength and easy to debond, but also has a poor sealing effect due to the gap between the lower track and the ground, which makes it easy for impurities to enter the lower track, which will affect the smoothness of the sliding door in the long run. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an aluminum alloy lower guide rail for a sliding door.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A sliding door aluminum alloy lower guide rail, comprising a panel fixedly connected to both sides of a door leaf / door frame, a lower guide rail body, a ground, and a guide wheel fixedly connected to the ground, wherein both sides of the lower guide rail body are extended with straight edges as an integral structure therewith; the bottom end of the panel is bent to form a hook, and the hook is adapted to the straight edge;

[0007] Grooves are provided on the inner walls on both sides of the lower guide rail body, and filling strips are provided inside the grooves.

[0008] As a further solution of the utility model: the two side surfaces of the lower guide rail body at the top are respectively bent to form symmetrical right-angle openings.

[0009] As a further solution of the utility model: an opening for rolling movement of the guide wheel is reserved in the downward middle position of the lower guide rail body.

[0010] As a further solution of the utility model: cavities are left on the inner walls on both sides of the lower guide rail body.

[0011] As a further solution of the utility model: the inner wall of the cavity is provided with sound insulation cotton.

[0012] As a further solution of the utility model: a protrusion which is an integral structure with the filling strip is arranged on one side surface of the filling strip.

[0013] As a further solution of the utility model: the bottom end of the filling strip is closely attached to the ground.

[0014] As a further solution of the utility model: the lower guide rail body is made of aluminum alloy through die extrusion profile.

[0015] Compared with the prior art, the utility model provides an aluminum alloy lower guide rail for sliding doors, which has the following beneficial effects:

[0016] 1. The aluminum alloy lower guide rail for sliding door inserts the straight edges on both sides of the lower guide rail body into the hooks on the corresponding sides of the two panels, so that the panels on the outside of the door leaf are fixedly connected to the lower guide rail body. It is easy to disassemble and assemble and has high strength. In addition, filling strips are installed on both sides of the lower guide rail body to seal the bottom of the door to avoid the existence of gaps. It can effectively improve the sealing effect during use, prevent impurities from entering the lower track body, and ensure the smoothness of the sliding door when it is displaced.

[0017] 2. The raised arrangement of the sliding door aluminum alloy lower guide rail is used to increase the friction tightness between the filling strip and the groove, and improve the connection firmness between the filling strip and the lower guide rail body; the door leaf of the utility model does not require special bonding with the aluminum alloy lower guide rail thereunder, and the installation speed is fast. The sliding door lower guide rail is suitable for public places and civil places such as hospitals, hotels, shopping malls, guesthouses, airports, and office places.

[0018] 3. The aluminum alloy lower guide rail for sliding doors provides a product that can achieve airtight sealing, fast and firm installation, smooth movement, and low noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the aluminum alloy lower guide rail for a sliding door proposed by the utility model in use state;

[0020] Figure 2 This is a side view structural schematic diagram of an aluminum alloy lower guide rail for a sliding door proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the enlarged structure of part A of the aluminum alloy lower guide rail for a sliding door proposed by the utility model.

[0022] In the figure: 1 panel, 101 hook, 2 lower guide rail body, 201 right angle opening, 202 groove, 203 straight edge, 204 cavity, 205 opening, 3 guide wheel, 4 ground, 5 filling strip, 501 protrusion. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Example 1

[0026] A sliding door aluminum alloy lower guide rail, such as Figure 1-3 As shown, it includes a lower guide rail body 2, and the two side surfaces of the lower guide rail body 2 at the top are respectively bent to form symmetrical right-angle openings 201, and the right-angle openings 201 are used to fix and connect the door leaf / door frame.

[0027] Preferably, the lower guide rail body 2 is made of aluminum alloy through die extrusion profile;

[0028] Furthermore, the two side surfaces of the lower guide rail body 2 extend with straight edges 203 which are an integral structure therewith;

[0029] It also includes a panel 1 fixedly connected to both sides of the door leaf / door frame, the bottom end of the panel 1 is bent to form a hook 101 in a shape of a return, and the hook 101 is adapted to the straight edge 203; Figure 1 As shown, the straight edges 203 on both sides of the lower guide rail body 2 are inserted into the hooks 101 on the corresponding sides of the two panels 1, so that the panels 1 on the outer side of the door leaf are fixedly connected with the lower guide rail body 2, which is convenient for disassembly and assembly.

[0030] Furthermore, grooves 202 are left on the inner walls of both sides of the lower guide rail body 2 close to the straight edge 203, and the interior of the grooves 202 is filled with filling strips 5; installing filling strips 5 on both sides of the lower guide rail body 2 to seal under the door can effectively improve the sealing effect during use.

[0031] Preferably, the filling strip 5 can be made of rubber material, and a protrusion 501 that is an integral structure with the filling strip 5 is provided on one side of the inner wall of the groove 202; the protrusion 501 is provided to increase the friction tightness between the filling strip 5 and the groove 202, and improve the connection firmness between the filling strip 5 and the lower guide rail body 2.

[0032] Working principle: Filling strips 5 are installed on both sides of the lower guide rail body 2 to seal the bottom of the door, and then the straight edges 203 on both sides of the lower guide rail body 2 are inserted into the hooks 101 on the corresponding side of the two panels 1, so that the panel 1 on the outer side of the door leaf is fixedly connected with the lower guide rail body 2.

[0033] The utility model does not require special bonding between the door leaf and the aluminum alloy lower guide rail thereunder, and the installation speed is fast. The sliding door lower guide rail is suitable for public places and civil places such as hospitals, hotels, shopping malls, guesthouses, airports, offices, etc.

[0034] Example 2

[0035] A sliding door aluminum alloy lower guide rail, such as Figure 1-2 As shown, this embodiment makes the following supplements on the basis of embodiment 1: it also includes a ground 4, a guide wheel 3 fixedly connected to the ground 4, and an opening 205 is reserved in the downward middle position of the lower guide rail body 2 for facilitating the rolling of the guide wheel 3; when the sliding door is pushed, it is pulled by the upper hanging wheel and guided by the guide wheel 3 to realize the opening and closing of the door leaf.

[0036] Preferably, the bottom end of the filling strip 5 is close to the ground 4 .

[0037] Preferably, cavities 204 are reserved on the inner walls of both sides of the lower guide rail body 2 located on both sides of the opening 205, and the inner walls of the cavities 204 can be filled with sound insulation cotton, etc., which can reduce noise during the sliding of the sliding door.

[0038] Working principle: The utility model provides a sliding door lower guide rail which can achieve airtight sealing, fast and firm installation, smooth movement and low noise.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sliding door aluminum alloy lower guide rail, comprising a panel (1) fixedly connected to both sides of a door leaf / door frame, a lower guide rail body (2), a ground (4), and a guide wheel (3) fixedly connected to the ground (4), characterized in that: The two side surfaces of the lower guide rail body (2) are extended with straight edges (203) which are integrally formed therewith; the bottom end of the panel (1) is bent to form a hook (101), and the hook (101) is adapted to the straight edge (203); Grooves (202) are provided on the inner walls of both sides of the lower guide rail body (2), and filling strips (5) are provided inside the grooves (202).

2. The aluminum alloy lower guide rail for sliding door according to claim 1, characterized in that: The two side surfaces of the lower guide rail body (2) at the top are respectively bent to form symmetrical right-angle openings (201).

3. The aluminum alloy lower guide rail for sliding door according to claim 2, characterized in that: An opening (205) for the guide wheel (3) to roll is reserved in the middle position of the lower guide rail body (2) facing downward.

4. The sliding door aluminum alloy lower guide rail according to claim 3, characterized in that: The inner walls on both sides of the lower guide rail body (2) are provided with cavities (204).

5. The aluminum alloy lower guide rail for sliding door according to claim 4, characterized in that: The inner wall of the cavity (204) is provided with sound insulation cotton.

6. The sliding door aluminum alloy lower guide rail according to claim 1, characterized in that: A protrusion (501) which is an integral structure with the filling strip (5) is provided on one side thereof.

7. The aluminum alloy lower guide rail for sliding door according to claim 6, characterized in that: The bottom end of the filling strip (5) is in close contact with the ground (4).

8. The sliding door aluminum alloy lower guide rail according to claim 5, characterized in that: The lower guide rail body (2) is made of aluminum alloy through die extrusion.

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