Height adjusting structure for doors and windows

Abstract

The utility model discloses a height adjusting structure for doors and windows, which comprises a positioning part, a height adjusting block, a connecting screw, a fixed jackscrew and an adjusting jackscrew, the positioning part is abutted against the top wall of a leaf section of a leaf hinge below, the top of the height adjusting block is in threaded connection with the adjusting jackscrew, the lower end of the adjusting jackscrew is abutted against the top wall of the positioning part, and the connecting screw is connected with the fixed jackscrew. A rail head at the upper end of the positioning part is inserted into a sliding groove of a height adjusting block in a matched mode so that the height adjusting block can slide along the rail head of the positioning part under the action of an adjusting jackscrew, the positioning part is movably inserted into a T-shaped groove of a sash in a clamped mode, and the height adjusting block is fixed to the sash through a fixing jackscrew. When the sash falls, in order to guarantee the sealing performance of the frame and the sash, and the sunk sash needs to be adjusted, firstly, the connecting screws of the hinge and the sash on the upper portion and the lower portion are loosened, the adjusting jackscrews are screwed to enable the sash to move upwards and downwards relative to the hinge, and the positioning part does not move, so that the height of the sash is adjusted.

Description

Technical Field

[0001] The utility model relates to a height adjustment structure for doors and windows. Background Art

[0002] Door and window hinges are used for openable doors and windows. In addition to the functions of opening and closing, they also affect the performance and appearance of doors and windows. Under the national demand for energy conservation, environmental protection and green buildings, the performance of doors and windows is also crucial.

[0003] At present, hinges in the industry require holes to be drilled or built-in backplates during installation, with complex production and installation processes, inconvenient installation, affecting production efficiency. In application, the adjustable functions are complex, with many operation steps, time-consuming and laborious. The adjustment effect is not ideal, such as misalignment of the hinge shaft during left and right adjustment, and gaps appearing during height adjustment, seriously affecting the appearance and service life of doors and windows.

[0004] For the height adjustment of common hinges in the market, some hinges and height adjustment are integrated on a set of hinges. For each door and window using several sets of hinges, there will be a height adjustment mechanism for the unit, and the adjustment requires mutual coordination, with numerous steps and low production operation efficiency. Some achieve the height adjustment of the fan by placing a jackscrew under the hinge shaft to lift the hinge shaft, and the hinge shaft and the fan are fixed together. This adjustment will cause a gap between the fan hinge profile and the frame hinge profile, affecting the appearance. Content of the Utility Model

[0005] The purpose of the utility model is to provide a height adjustment structure for doors and windows, which can ensure the performance of doors and windows, and at the same time achieve quick installation, simple and precise adjustment.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A height adjustment structure for doors and windows includes a positioning part, a height adjustment block, a connecting screw, a fixed jackscrew and an adjusting jackscrew. The positioning part abuts against the top wall of the lower hinge. The adjusting jackscrew is screwed to the top of the height adjustment block, and the lower end of the adjusting jackscrew abuts against the top wall of the positioning part. The upper end track head of the positioning part is inserted into the sliding groove of the height adjustment block, so that the height adjustment block slides along the track head of the positioning part under the action of the adjusting jackscrew. The positioning part is movably inserted into the T-shaped groove of the fan, and the height adjustment block is fixed on the fan by the fixed jackscrew; when there is a situation of the fan dropping, in order to ensure the sealing performance between the frame and the fan, when adjusting the sunken fan, first loosen the connecting screws between the upper and lower fan profiles and the fan, and turn the adjusting jackscrew to move the fan up and down relative to the fan profile, while the positioning part remains stationary, so as to achieve the height adjustment of the fan.

[0008] The positioning part includes a positioning vertical plate and a rail head arranged above the positioning vertical plate, the rail head includes a T-shaped plate arranged on the top wall of the positioning vertical plate, an arc-shaped convex column is provided in front of the T-shaped plate, a narrow top head is provided on the top of the arc-shaped convex column, an adjusting top screw is pressed against the narrow top head, and limiting wing rods are provided on both sides of the bottom of the arc-shaped convex column.

[0009] The height adjustment block includes a substrate body, four corners of which are provided with fixed top screw holes, the middle of which is provided with two connecting screw holes, the top of which is provided with an adjusting top screw hole, and a slide groove for inserting a rail head of a positioning part is provided below the adjusting top screw hole of the substrate body. An adjusting top screw is threaded in the adjusting top screw hole, and the adjusting top screw abuts against the top wall of the rail head of the positioning part, and the two limiting wing rods are located between the two connecting screw holes and the fixed top screw hole below.

[0010] The two sides of the substrate body are provided with a through-length slide groove, through which the fan slides into a predetermined position along the T-slot of the fan. The bottom of the through-length slide groove corresponds to the middle of the fixed top screw hole, and an arc-shaped expansion groove is provided at the position corresponding to the fixed top screw hole. The arc-shaped expansion groove is opened from the through-length slide groove to the bottom wall of the substrate body.

[0011] Beneficial effects of the utility model: The height adjustment structure of the utility model is easy to install and operate, and has high efficiency. The hinge structure is simplified by adjusting the height adjustment block separated from the hinge up and down. The double fixation of the fixed top screw and the connecting screw ensures that the fan and the height adjustment block are fully connected to achieve high load-bearing adjustment. The top screw is fast to install, and the upper top screw adjustment observation is more intuitive and accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiment of the utility model, the embodiment will be described below in conjunction with the accompanying drawings.

[0013] Figure 1 This is a three-dimensional structure diagram of the utility model. Figure One .

[0014] Figure 2 This is a three-dimensional structure diagram of the utility model. Figure Two .

[0015] Figure 3 It is a side structural schematic diagram of the utility model.

[0016] Figure 4 It is a schematic diagram of the structure of some parts of the utility model after being cut open.

[0017] Figure 5 It is a schematic diagram of the structure after decomposition of the utility model.

[0018] Figure 6 and Figure 7 It is a schematic diagram of the structure of the height adjustment block from two different perspectives.

[0019] Figure 8 And Figure 9 are structural schematic diagrams of two different perspectives of the positioning part.

[0020] Figure 10 is a three-dimensional structural schematic diagram after the installation of the present utility model.

[0021] Figure 11 And Figure 12 are structural schematic diagrams of the usage states before and after the adjustment of the present utility model. Detailed implementation manners

[0022] The following only uses embodiments to illustrate the possible implementation aspects of the present utility model, but is not intended to limit the scope to be protected by the present utility model. First, it is stated.

[0023] As Figures 1 to 12 shown, a height adjustment structure for doors and windows of the present utility model includes a positioning part 1, a height adjustment block 2, a connecting screw 3, a fixing set screw 4, and an adjusting set screw 5. The positioning part 1 abuts against the top wall of the lower hinge 6. The adjusting set screw 5 is screwed to the top of the height adjustment block 2, and the lower end of the adjusting set screw 5 abuts against the top wall of the positioning part 1. The upper end track head 11 of the positioning part 1 is inserted and matched with the chute 21 of the height adjustment block 2, so that the height adjustment block 2 slides along the track head 11 of the positioning part 1 under the action of the adjusting set screw 5. The positioning part 1 is movably inserted into the T-shaped groove of the fan. The height adjustment block 2 is fixed to the fan 7 by the fixing set screw 4. When there is a situation of the fan dropping, in order to ensure the sealing performance between the frame 8 and the fan 7, when the sunken fan needs to be adjusted, first loosen the connecting screws of the upper and lower hinges and the fan, and turn the adjusting set screw to move the fan up and down relative to the fan profile, and the positioning part remains stationary to realize the height adjustment of the fan.

[0024] Specifically, the positioning part 1 includes a positioning vertical plate 12 and a track head 11 arranged above the positioning vertical plate. The track head 11 includes a T-shaped plate 111 arranged on the top wall of the positioning vertical plate. An arc-shaped convex column 112 is arranged in front of the T-shaped plate. A narrow top head 113 is arranged on the top of the arc-shaped convex column. The adjusting set screw 5 abuts against the narrow top head. Limiting wing rods 114 are arranged on both sides of the bottom of the arc-shaped convex column. The rear part of the narrow top head is the top surface of the T-shaped plate and part of the arc-shaped convex column.

[0025] The height adjustment block 2 includes a base plate body 22. Fixing set screw holes 23 are provided at the four corners of the base plate body. Two connecting screw holes 24 are provided in the middle of the base plate body. An adjusting set screw hole 25 is provided at the top of the base plate body. A chute 21 for inserting the track head of the positioning part is provided below the adjusting set screw hole of the base plate body. An adjusting set screw 5 is screwed into the adjusting set screw hole 25, and the adjusting set screw 5 abuts against the top wall of the narrow top head 113 of the track head 11 of the positioning part. The two limiting wing rods 114 are located between the two connecting screws and the two fixing set screws below, and an adjusting activity space is formed between the connecting screw and the fixing set screw below. The chute 21 includes a U-shaped notch 210 provided on the lower back surface of the height adjustment block. The top wall of the U-shaped notch faces the rear of the narrow top head. Guide sockets 211 for inserting the two guide wing protrusions 1111 of the T-shaped plate are further provided on the two side walls of the U-shaped notch. A notch corresponding to the arc-shaped convex column and the two limiting wing rods is provided in front of the U-shaped notch.

[0026] Through slots 221 are provided on both sides of the base plate body 22. It slides into a predetermined position along the T-shaped slot of the fan through the through slots. The bottom of the through slots corresponds to the middle of the fixing set screw holes. An arc-shaped enlarged slot 222 is provided at the position corresponding to the fixing set screw holes. The arc-shaped enlarged slot is formed by the through slots opening towards the bottom wall of the base plate body.

[0027] The height adjustment structure penetrates into the T-shaped slot of the fan from the upper side of the hinge. The bottom surface of the positioning vertical plate falls on the fan back plate of the hinge. Tighten the fixing set screw, and then drive the connecting screw. The installation of the height adjustment structure is completed. The fixing set screw and the connecting screw of the height adjustment block ensure the full connection and fixation between the fan and the height adjustment block, realizing high-load adjustment.

Claims

1. A height adjustment structure for doors and windows, characterized in that: The height adjustment block comprises a positioning part, a height adjustment block, a connecting screw, a fixed top screw and an adjusting top screw, wherein the positioning part abuts against the top wall of the fan profile of the hinge below, the top of the height adjustment block is screwed with the adjusting top screw, the lower end of the adjusting top screw abuts against the top wall of the positioning part, the upper end rail head of the positioning part is inserted into the slide groove of the height adjustment block, so that the height adjustment block slides along the rail head of the positioning part under the action of the adjusting top screw, the positioning part is movably inserted into the T-slot of the fan, and the height adjustment block is fixed to the fan by the fixed top screw; when the fan falls off, in order to ensure the sealing of the frame and the fan, when the sunken fan needs to be adjusted, first loosen the connecting screws between the upper and lower hinges and the fan, screw the adjusting top screw to move the fan upward and downward relative to the hinge, and keep the positioning part stationary to achieve the height adjustment of the fan.

2. A height adjustment structure for doors and windows according to claim 1, characterized in that: The positioning part includes a positioning vertical plate and a rail head arranged above the positioning vertical plate, the rail head includes a T-shaped plate arranged on the top wall of the positioning vertical plate, an arc-shaped convex column is provided in front of the T-shaped plate, a narrow top head is provided on the top of the arc-shaped convex column, an adjusting top screw is pressed against the narrow top head, and limiting wing rods are provided on both sides of the bottom of the arc-shaped convex column.

3. A height adjustment structure for doors and windows according to claim 2, characterized in that: The height adjustment block includes a substrate body, four corners of which are provided with fixed top screw holes, the middle of which is provided with two connecting screw holes, the top of which is provided with an adjusting top screw hole, and a slide groove for inserting a rail head of a positioning part is provided below the adjusting top screw hole of the substrate body. An adjusting top screw is threaded in the adjusting top screw hole, and the adjusting top screw abuts against the top wall of the rail head of the positioning part, and the two limiting wing rods are located between the two connecting screw holes and the fixed top screw hole below.

4. A height adjustment structure for doors and windows according to claim 3, characterized in that: The two sides of the substrate body are provided with a through-length slide groove, through which the fan slides into a predetermined position along the T-slot of the fan. The bottom of the through-length slide groove corresponds to the middle of the fixed top screw hole, and an arc-shaped expansion groove is provided at the position corresponding to the fixed top screw hole. The arc-shaped expansion groove is opened from the through-length slide groove to the bottom wall of the substrate body.

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