CN211173623U - Double-pulley-block height adjusting structure - Google Patents

Abstract

The utility model belongs to the field of sliding doors, and in particular to a structure for adjusting the height of a double pulley group. In view of the problem that the installation of the double pulley group and the double track profile of the existing sliding door must be carried out before the decoration of the wall door opening, the installation method is relatively cumbersome and there are many installation restrictions, the following scheme is proposed, which includes a guide wheel, an upper beam is provided above the guide wheel, an installation door is provided between the guide wheel and the upper beam, a door lower material, a door side material and a door upper material are provided in the installation door, the bottom side of the door lower material is matched with the guide wheel, the same glass is fixedly installed in the door lower material, the door side material and the door upper material, and the top side of the door side material extends into the upper beam. In the utility model, when it is necessary to adjust the height of the pulley for installing the door, after rotating the adjusting nut and the fixing nut to make them located in the middle position on the bolt, the height of the pulley can be adjusted by rotating the bolt, and then the installation height of the door can be adjusted to make the door straight, which is convenient for installing the door.

Description

A structure for adjusting the height of a double pulley group

technical field

The utility model relates to the technical field of sliding doors, in particular to a structure for adjusting the height of a double pulley block.

Background technique

There are many design styles of sliding doors. According to the requirements of lighting, in general, transparent glass doors are the common choice for sliding doors. It can also display the cabinets carefully selected by the owner. When installing sliding doors, double pulleys and double track profiles are generally used for installation.

The installation of double pulley blocks and double track profiles commonly used in the market is to insert the double pulleys from one end of the double track materials. This structure must be pre-installed before the wall door opening is installed, and the double track profiles are inserted, and the double pulleys are inserted. The installation method is cumbersome and needs to be installed before the decoration of the wall door opening, and there are many installation restrictions. For this reason, we propose a structure with a double pulley set to adjust the height.

SUMMARY OF THE INVENTION

The purpose of this utility model is to solve the problems in the prior art that the installation of the double pulley block and the double track profile of the existing sliding door must be carried out before the decoration of the wall door opening, the installation method is cumbersome, and the installation restrictions are more. A double pulley set to adjust the height of the structure.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A structure for adjusting the height of a double pulley set includes a guide wheel, an upper beam is arranged above the guide wheel, an installation door is arranged between the guide wheel and the upper beam, and a door lower material, a door side material and a door upper material are arranged in the installation door. The bottom side of the door lower material is matched with the guide wheel, the same glass is fixedly installed in the door lower material, the door side material and the door upper material, the top side of the door side material extends into the upper beam, the two sides of the upper beam A wheel frame is fixedly installed on the inner wall, the same bolt is arranged on the side of the two wheel frames that are close to each other, the bolt is provided with an external thread, and a wheel frame is movably sleeved on the bolt. When the positions of the two rails correspond, put the two pulleys on the two rails respectively, turn the fixing nut to move up on the bolt, and adjust the position of the wheel frame, the two connecting columns, the two wheel axles and the two pulleys. Secure, then turn the adjusting nut to move it down to fix the position of the bolt.

Preferably, connecting columns are fixedly installed on both sides of the wheel frame, wheel axles are fixedly installed at the ends of the two connecting columns away from each other, pulleys are rotatably installed on the two wheel axles, and the two pulleys are respectively located on the two wheel frames. The movement of the wheel frame drives the two connecting columns to move upward, the upward movement of the two connecting columns respectively drives the two wheel shafts to move upward, and the upward movement of the two wheel shafts respectively drives the two pulleys to move upward.

Preferably, a fixing nut located below the connecting column is movably sleeved on the bolt, the inner wall of the fixing nut is provided with a first inner thread, and the first inner thread is matched with the outer thread on the bolt.

Preferably, an adjusting nut located below the fixing nut is movably sleeved on the bolt, the inner wall of the adjusting nut is provided with a second internal thread, and the second internal thread is matched with the external thread on the bolt.

Preferably, the top side of the door side material is provided with an adjustable thread groove located below the adjusting nut, the bottom end of the bolt extends into the adjustable thread groove, the inner wall of the adjustable thread groove is provided with a third internal thread, the third The three internal threads are matched with the external threads on the bolts, the adjusting nut and the fixing nut are rotated to make them in the middle position on the bolts, and the bolts are rotated to rotate in the adjustable thread grooves on the door side material.

In the utility model, since the bolt is provided, the height of the bolt can be adjusted by rotating the bolt in the adjustable thread groove on the door side material;

In the utility model, since the fixing nut is arranged, the position of the wheel frame can be fixed by the fixing nut;

In the utility model, since the adjusting nut is provided, the position of the bolt can be fixed by the adjusting nut

In the utility model, when the height of the pulley needs to be adjusted to install the door, after the adjusting nut and the fixing nut are rotated to make them in the middle position on the bolt, the height of the pulley can be adjusted to make the door straight by rotating the bolt, and the installation of the door can be adjusted. Height for easy door installation.

Description of drawings

Fig. 1 is the structural representation of a kind of double pulley group height adjustment structure proposed by the utility model;

Fig. 2 is a three-dimensional structural schematic diagram of the door and upper beam installation of a double pulley block height-adjusting structure proposed by the utility model;

Figure 3 is a schematic diagram of the three-dimensional structure of the door side material of a structure for adjusting the height of a double pulley set proposed by the utility model;

4 is a three-dimensional schematic diagram of the connection of a wheel frame, a bolt, a connecting column, a pulley, a wheel axle, a fixing nut and an adjusting nut of a structure for adjusting the height of a double pulley set proposed by the utility model;

FIG. 5 is a schematic three-dimensional structural diagram of the connection of the wheel frame, the connecting column and the wheel axle of a structure for adjusting the height of a double pulley block proposed by the present invention.

In the picture: 1 guide wheel, 2 upper beam, 3 door, 4 door lower material, 5 door side material, 6 door upper material, 7 glass, 8 track, 9 wheel frame, 10 adjustable thread groove, 11 bolt, 12 connecting column , 13 axles, 14 pulleys, 15 fixing nuts, 16 adjusting nuts.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Example 1

1-5, a structure for adjusting the height of a double pulley block includes a guide wheel 1, an upper beam 2 is arranged above the guide wheel 1, an installation door 3 is arranged between the guide wheel 1 and the upper beam 2, and inside the installation door 3 The door lower material 4, the door side material 5 and the door upper material 6 are provided. The bottom side of the door lower material 4 is matched with the guide wheel 1. The door lower material 4, the door side material 5 and the door upper material 6 are fixedly installed with the same glass. 7. The top side of the door side material 5 extends into the upper beam 2, the inner walls of both sides of the upper beam 2 are fixedly installed with wheel frames 9, and the side of the two wheel frames 9 close to each other is provided with the same bolt 11, the bolt 11 There is an external thread on it, and a wheel frame 9 is movably sleeved on the bolt 11. When the two pulleys 14 correspond to the positions of the two rails 8 on the upper beam 2, respectively, put the two pulleys 14 into the two rails. 8, turn the fixing nut 15 to move up on the bolt 11, fix the position of the wheel frame 9, the two connecting columns 12, the two axles 13 and the two pulleys 14, and then turn the adjusting nut 16 to move it downward , and fix the position of the bolt 11.

In the present invention, connecting columns 12 are fixedly installed on both sides of the wheel frame 9, and wheel axles 13 are fixedly installed at the ends of the two connecting columns 12 away from each other. 14 are respectively located on the two wheel frames 9. The movement of the wheel frames 9 drives the two connecting columns 12 to move upward, the upward movement of the two connecting columns 12 respectively drives the two wheel shafts 13 to move upward, and the upward movement of the two wheel shafts 13 drives the two pulleys respectively. 14 Move up.

In the present invention, a fixing nut 15 located below the connecting column 12 is movably sleeved on the bolt 11 .

In the present invention, the adjusting nut 16 located below the fixing nut 15 is movably sleeved on the bolt 11 .

In the present invention, the top side of the door side member 5 is provided with an adjustable thread groove 10 located below the adjusting nut 16 , the bottom end of the bolt 11 extends into the adjustable thread groove 10 , and the inner wall of the adjustable thread groove 10 is provided with an adjustable thread groove 10 . The third internal thread, the third internal thread is matched with the external thread on the bolt 11, turn the adjusting nut 16 and the fixing nut 15 to make it in the middle position on the bolt 11, turn the bolt 11 to make it on the door side material 5 Adjustable thread groove 10 rotates.

Example 2

1-5, a structure for adjusting the height of a double pulley block includes a guide wheel 1, an upper beam 2 is arranged above the guide wheel 1, an installation door 3 is arranged between the guide wheel 1 and the upper beam 2, and inside the installation door 3 The door lower material 4, the door side material 5 and the door upper material 6 are provided. The bottom side of the door lower material 4 is matched with the guide wheel 1. The door lower material 4, the door side material 5 and the door upper material 6 are fixedly installed with the same glass. 7. The top side of the door side material 5 extends into the upper beam 2, the inner walls of both sides of the upper beam 2 are fixedly welded with wheel frames 9, and the side of the two wheel frames 9 close to each other is provided with the same bolt 11, the bolt 11 There is an external thread on it, and a wheel frame 9 is movably sleeved on the bolt 11. When the two pulleys 14 correspond to the positions of the two rails 8 on the upper beam 2 respectively, put the two pulleys 14 into the two rails respectively. 8, turn the fixing nut 15 to move up on the bolt 11, fix the position of the wheel frame 9, the two connecting columns 12, the two axles 13 and the two pulleys 14, and then turn the adjusting nut 16 to move it downward , and fix the position of the bolt 11.

In the present invention, both sides of the wheel frame 9 are fixedly welded with connecting columns 12 , and the ends of the two connecting columns 12 away from each other are fixedly welded with wheel axles 13 , and pulleys 14 are rotatably installed on the two wheel axles 13 . 14 are respectively located on the two wheel frames 9. The movement of the wheel frames 9 drives the two connecting columns 12 to move upward, the upward movement of the two connecting columns 12 respectively drives the two wheel shafts 13 to move upward, and the upward movement of the two wheel shafts 13 drives the two pulleys respectively. 14 Move up.

In the present invention, the bolt 11 is movably sleeved with a fixing nut 15 located below the connecting column 12 .

In the present invention, the adjusting nut 16 located below the fixing nut 15 is movably sleeved on the bolt 11 .

In the present invention, the top side of the door side member 5 is provided with an adjustable thread groove 10 located below the adjusting nut 16 , the bottom end of the bolt 11 extends into the adjustable thread groove 10 , and the inner wall of the adjustable thread groove 10 is provided with an adjustable thread groove 10 . The third internal thread, the third internal thread is matched with the external thread on the bolt 11, turn the adjusting nut 16 and the fixing nut 15 to make it in the middle position on the bolt 11, turn the bolt 11 to make it on the door side material 5 Adjustable thread groove 10 rotates.

In the present invention, when it is necessary to adjust the height of the pulley 14 to install the door 3, firstly, the adjusting nut 16 and the fixing nut 15 are rotated to be located in the middle position on the bolt 11, and the bolt 11 is rotated to make the door side material 5 in the middle position. When the screw groove 10 rotates and moves upward, the bolt 11 moves upward so that the wheel frame 9 can also move upward, and when the wheel frame 9 moves upward, the movement of the wheel frame 9 drives the two connecting columns 12 to move upward, and the two connecting columns 12 move upward. The two wheel shafts 13 are respectively driven to move upward, and the two wheel shafts 13 move upward respectively to drive the two pulleys 14 to move upward respectively. When the two pulleys 14 correspond to the positions of the two rails 8 on the upper beam 2 respectively, the two pulleys 14 are respectively placed on the two rails 8, turn the fixing nut 15 to make it move upward on the bolt 11, fix the position of the wheel frame 9, the two connecting columns 12, the two axles 13 and the two pulleys 14, and then rotate to adjust The nut 16 is moved downward to fix the position of the bolt 11, and the installation is completed at this time.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (5)

1. A structure for adjusting the height of a double pulley set, comprising a guide wheel (1), characterized in that an upper beam (2) is provided above the guide wheel (1), the guide wheel (1) and the upper beam (2) There is an installation door (3) between, and the installation door (3) is provided with a door lower material (4), a door side material (5) and a door upper material (6), and the bottom side of the door lower material (4) and the guide wheel ( 1) The same glass (7) is fixedly installed in the lower door material (4), the door side material (5) and the upper door material (6), and the top side of the door side material (5) extends to the upper beam (2) ), a wheel frame (9) is fixedly installed on the inner walls of both sides of the upper beam (2), and the same bolt (11) is provided on the side of the two wheel frames (9) that are close to each other, and the bolt (11) An external thread is provided on the bolt (11), and a wheel frame (9) is movably sleeved on the bolt (11). 2. A structure for adjusting the height of a double pulley block according to claim 1, characterized in that, connecting columns (12) are fixedly installed on both sides of the wheel frame (9), and the two connecting columns (12) are mutually A wheel shaft (13) is fixedly installed at the far end, and pulleys (14) are rotatably installed on the two wheel shafts (13), and the two pulleys (14) are respectively located on the two wheel frames (9). 3. A structure for adjusting the height of a double pulley block according to claim 2, characterized in that a fixing nut (15) located under the connecting column (12) is movably sleeved on the bolt (11), and the fixing nut ( The inner wall of 15) is provided with a first inner thread, and the first inner thread is matched with the outer thread on the bolt (11). 4. A structure for adjusting the height of a double pulley block according to claim 3, characterized in that an adjusting nut (16) located below the fixing nut (15) is movably sleeved on the bolt (11), and the adjusting nut ( The inner wall of 16) is provided with a second inner thread, and the second inner thread is matched with the outer thread on the bolt (11). 5. A structure for adjusting the height of a double pulley block according to claim 4, characterized in that an adjustable thread groove (10) located under the adjusting nut (16) is provided on the top side of the door side material (5) , the bottom end of the bolt (11) extends into the adjustable thread groove (10), and the inner wall of the adjustable thread groove (10) is provided with a third inner thread, and the third inner thread is the same as the outer thread on the bolt (11). adaptation.

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