Hidden rail structure of door and window

Abstract

The utility model relates to the technical field of sliding doors and windows, in particular to a hidden rail structure of a door and window, which is characterized in that a cover plate used for shielding a rail groove is arranged at the top of a lower rail section bar, a channel is arranged on the cover plate, a connecting piece extending into the rail groove through the channel is arranged at the bottom of a sash bottom frame, and a pulley assembly is arranged at the bottom of the connecting piece. The sliding wheel assembly comprises a shell, a sliding seat and an adjusting screw rod, one end of the shell and one end of the sliding seat are each provided with an inclined face, the exposed rail groove is shielded through the arranged cover plate, the rail groove and the sliding wheel assembly are hidden, and meanwhile the sash bottom frame is connected with the sliding wheel assembly in the rail groove through a channel by means of the arranged connecting piece. Normal push-pull of the door and window sash is not affected while the pulley assembly and the rail groove are hidden, meanwhile, the pulley assembly is provided with the inclined face, the adjusting screw rod is installed through the inclined face, the adjusting screw rod is made to be inclined to the horizontal plane, and people can directly insert a tool into the channel to screw the adjusting screw rod.

Description

Technical Field

[0001] The utility model relates to the technical field of sliding doors and windows, in particular to a hidden track structure of doors and windows. Background Art

[0002] Sliding doors and windows have the advantages of not occupying indoor space, beautiful appearance, and flexible opening. Sliding doors and windows need to set a track groove at the bottom of the frame. The sliding doors and windows are equipped with pulleys and move along the guide rails of the track groove. Referring to the door and window pulley of the public (announcement) number: CN206681554U, the existing sliding door and window pulley is set at the bottom of the fan and has an adjustment function to make the cooperation with the frame more stable. At present, the track grooves of sliding doors and windows are exposed, and people can adjust the bottom pulley at any time. However, the exposed track grooves are not beautiful, and are easy to accumulate dust and debris, and even affect the normal use of the pulley. Utility Model Content

[0003] The utility model provides a hidden track structure for doors and windows, so as to achieve the purpose of hiding a pulley assembly and a track groove without affecting the pulley adjustment function.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hidden track structure of a door and window, comprising a lower track profile, a sash bottom frame and a pulley assembly, the lower track profile is provided with a track groove, a cover plate for covering the track groove is provided on the top of the lower track profile, the cover plate is provided with a channel, a connecting piece extending to the inside of the track groove through the channel is provided at the bottom of the sash bottom frame, the pulley assembly is arranged at the bottom of the connecting piece, the pulley assembly comprises an outer shell, a sliding seat and an adjusting screw, one end of the outer shell and the sliding seat are provided with an inclined surface gradually inclined outward from top to bottom, the outer shell is provided with a through hole on the inclined surface, the adjusting screw is rotatably connected to the through hole, and the sliding seat is provided with a strip hole on the inclined surface for the adjusting screw to pass through.

[0005] Furthermore, the connecting member includes a first mounting plate plugged into the bottom of the fan bottom frame, a second mounting plate located in the track groove, and a supporting plate located in the channel.

[0006] Furthermore, the sliding seat is provided with an inclined groove, and the inclined groove and the inclined surface have corresponding inclined directions.

[0007] Furthermore, the radial direction of the adjusting screw is parallel to the inclined surface.

[0008] Furthermore, the diameter of the through hole corresponds to the width of the strip-shaped hole, and the centers of the through hole, the strip-shaped hole and the channel all correspond to each other.

[0009] Compared with the prior art, the beneficial effects of the utility model are: the exposed track groove is shielded by the set cover plate, so as to hide the track groove and the pulley assembly, and at the same time, the sash bottom frame is connected to the pulley assembly in the track groove through the channel by the set connecting piece, so that the normal pushing and pulling of the door and window sashes are not affected while the pulley assembly and the track groove are hidden. At the same time, the pulley assembly is provided with an inclined surface, and the adjusting screw is installed by using the inclined surface, so that the adjusting screw is inclined to the horizontal plane, and people can directly insert the tool from the channel to screw the adjusting screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0011] Figure 2 It is a stereoscopic diagram of the pulley assembly in the utility model.

[0012] Figure 3 It is the front view of the pulley assembly in the utility model.

[0013] Figure 4 It is the front view of the connecting piece in the utility model.

[0014] In the figure: lower rail profile 1, sash bottom frame 2, pulley assembly 3, connecting piece 4, track groove 10, cover plate 11, channel 12, housing 31, sliding seat 32, adjusting screw 33, first mounting plate 41, second mounting plate 42, support plate 43, inclined surface 300, strip hole 301, inclined groove 320, roller 333. DETAILED DESCRIPTION

[0015] 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 in 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.

[0016] As attached Figure 1-4As shown, the utility model is a hidden track structure of a door and window, comprising a lower track profile 1, a sash bottom frame 2 and a pulley assembly 3, wherein the lower track profile 1 is provided with a track groove 10, the number of which corresponds to the number of sliding sash bodies, and the track groove 10 is used to cooperate with the pulley assembly 3 so that the sash bodies can slide on the outer frame, and a cover plate 11 for shielding the track groove 10 is provided on the top of the lower track profile 1, wherein the cover plate 11 is provided with a channel 12, and a plurality of cover plates 11 are provided, and specifically, two cover plates 11 are provided on each track groove 10, and a corresponding center of the track groove 10 is formed between the two cover plates 11. The channel 12, the bottom of the fan bottom frame 2 is provided with a connecting member 4 extending through the channel 12 to the inside of the track groove 10, the pulley assembly 3 is arranged at the bottom of the connecting member 4, the pulley assembly 3 includes a shell 31, a sliding seat 32 and an adjusting screw 33, and also includes a roller 333, the roller 333 is rotatably arranged on the movable seat, which belongs to the existing adjustable pulley design, and it should be noted that the pulley assembly 3 is improved as follows, one end of the shell 31 and the sliding seat 32 are provided with an inclined surface 300 gradually inclined outward from top to bottom, and the specific inclination direction of the inclined surface 300 can be referred to Figure 3 The shell 31 is provided with a through hole on its inclined surface 300, and the adjusting screw 33 is rotatably connected to the through hole. The sliding seat 32 is provided with a strip hole 301 on its inclined surface 300 for the adjusting screw 33 to pass through, and the strip holes 301 are arranged from top to bottom.

[0017] The utility model discloses a hidden track structure for doors and windows. A cover plate 11 is provided to cover an exposed track groove 10, so as to hide the track groove 10 and the pulley assembly 3. Meanwhile, a fan bottom frame 2 is connected to the pulley assembly 3 in the track groove 10 through a channel 12 by utilizing a provided connecting piece 4. While hiding the pulley assembly 3 and the track groove 10, the normal pushing and pulling of the door and window fan is not affected. Meanwhile, the pulley assembly 3 is provided with an inclined surface 300, and an adjusting screw 33 is installed by utilizing the inclined surface 300 so that the adjusting screw 33 is inclined to a horizontal plane. People can directly insert a tool from the channel 12 to twist the adjusting screw 33 to achieve adjustment. While hiding the track groove 10 and the pulley assembly 3, the adjustment function of the pulley assembly 3 is not affected.

[0018] In this embodiment, the connecting member 4 includes a first mounting plate 41 inserted into the bottom of the sash bottom frame 2, a second mounting plate 42 located in the track groove 10, and a support plate 43 located in the channel 12. The connecting member 4 is an integrally formed structure. The first mounting plate 41 and the second mounting plate 42 are arranged parallel to each other. The support plate 43 is arranged between the first mounting plate 41 and the second mounting plate 42. The sash bottom frame 2 is provided with a slot for the first mounting plate 41 to be inserted. After the first mounting plate 41 is inserted, it is fixedly connected by screws. The pulley assembly 3 is fixedly installed at the bottom of the second mounting plate 42. The support plate 43 is arranged in the channel 12, and sealing strips abutting against the support plate 43 are arranged on both sides of the channel 12.

[0019] In this embodiment, the sliding seat 32 is provided with an inclined groove 320, which belongs to the existing adjustment pulley structure. By screwing the adjustment screw 33, the sliding seat 32 and the shell 31 slide along the inclined groove 320, thereby realizing the lifting and lowering adjustment. The inclined groove 320 corresponds to the inclined direction of the inclined surface 300.

[0020] In this embodiment, the radial direction of the adjusting screw 33 is parallel to the inclined surface 300, that is, the adjusting screw 33 installed on the inclined surface 300 is also inclined, so that the top surface of the adjusting screw 33, that is, the screwing part, is inclined and not perpendicular to the horizontal plane. The diameter of the through hole corresponds to the width of the strip hole 301, and the centers of the through hole, the strip hole 301 and the channel 12 are corresponding. People can reach into the channel 12 through tools such as screwdrivers and insert the adjusting screw 33 to screw.

[0021] The above embodiments are preferred embodiments of the present utility model. All structures similar to the present utility model and equivalent changes made thereto should fall within the protection scope of the present utility model.

Claims

1. A hidden track structure for doors and windows, comprising a lower track profile, a sash bottom frame and a pulley assembly, wherein the lower track profile is provided with a track groove, and is characterized in that: A cover plate for covering the track groove is arranged on the top of the lower rail profile, and the cover plate is provided with a channel. A connecting piece extending to the inside of the track groove through the channel is arranged at the bottom of the fan bottom frame. The pulley assembly is arranged at the bottom of the connecting piece. The pulley assembly includes an outer shell, a sliding seat and an adjusting screw. One end of the outer shell and the sliding seat are provided with an inclined surface which gradually inclines outward from top to bottom. The outer shell is provided with a through hole on the inclined surface. The adjusting screw is rotatably connected to the through hole. The sliding seat is provided with a strip hole on the inclined surface for the adjusting screw to pass through.

2. A hidden track structure for doors and windows according to claim 1, characterized in that: The connecting member comprises a first mounting plate plugged into the bottom of the fan bottom frame, a second mounting plate located in the track groove, and a supporting plate located in the channel.

3. The hidden track structure of doors and windows according to claim 1, characterized in that: The sliding seat is provided with an inclined groove, and the inclined groove corresponds to the inclined direction of the inclined surface.

4. The hidden track structure of doors and windows according to claim 1, characterized in that: The radial direction of the adjusting screw is parallel to the inclined surface.

5. The hidden track structure of doors and windows according to claim 1, characterized in that: The diameter of the through hole corresponds to the width of the strip hole, and the centers of the through hole, the strip hole and the channel all correspond to each other.

Images