Height adjusting screw rod

Abstract

The utility model discloses a height adjusting screw which comprises a main body and a connecting mechanism, the connecting mechanism comprises a spring, a positioning frame, a mounting frame and a connecting rod, the positioning frame is provided with a convex block and a first positioning rod, and under the action of the mechanisms and components, the height adjusting screw has the functions of quick connection and disassembly. Different tools or accessories can be replaced in a short time, the device is suitable for multifunctional equipment, in addition, when the device is designed, it is ensured that the connection relation between the installation frame and the main body has enough strength, large loads can be borne, and the situation that the connector and the main body are damaged due to the fact that the loads are applied by the tools is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw member technical field, concretely is a height adjustment screw. BACKGROUND

[0002] A height adjustment screw is usually used in the occasion that needs to adjust the height of equipment or machinery according to the need, such as table, chair, machine tool, lighting equipment etc., the design of this kind of screw allows the user to change the height of the device by rotating the screw, usually through the threaded structure.

[0003] The conventional screw. The screw without quick mounting connector can usually only adapt single tool, if other tools or equipment need to be replaced, the whole screw needs to be replaced, which increases the use cost and time.

[0004] Secondly, the load received by the screw is different under different conditions, if the load is too large without stable strength connection, the connection relationship between the tool and the screw will be broken. INNOVATION CONTENT

[0005] (I) the technical problem solved

[0006] In view of the deficiency of prior art, the utility model provides a height adjustment screw to solve the technical problem mentioned in the background art.

[0007] (II) technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a height adjustment screw, including main part and connecting mechanism, the connecting mechanism includes spring, positioning frame, mounting frame and connecting rod, the spring is installed on the positioning frame and is fixedly connected with the main part on the other end, the positioning frame is installed in the main part and is slidably connected with the main part, the mounting frame is installed on the main part and is detachably connected with the main part, the connecting rod is installed on the mounting frame and is threadedly engaged with the positioning frame, the main part bottom is provided with connecting seat, the connecting seat is provided with limiting groove in the inside, the positioning frame slides in the limiting groove.

[0009] Preferably, the positioning frame is provided with a lug and a first positioning rod, the lug slides in the limiting groove, and the first positioning rod is connected with the mounting frame to fix the position of the mounting frame.

[0010] In further preferred, the connecting seat is provided with a positioning hole, the mounting frame is provided with a first embedding slot, the first positioning rod is slidably connected with the positioning hole and is connected with the first embedding slot, so as to facilitate the fixed connection between the mounting frame and the connecting seat.

[0011] In a further preferred, the positioning frame is provided with a mounting slot, and the spring is mounted in the mounting slot, so that the positioning frame is more smoothly retracted in the connecting seat.

[0012] In a further preferred, the positioning frame is provided with a threaded hole, and the connecting rod is screwed with the threaded hole, so that the positioning frame is stably slid.

[0013] In a further preferred, the mounting frame is provided with a second positioning rod, and the second positioning rod is magnetically connected with the connecting seat, and the second positioning rod is magnetic, so that the mounting frame is mounted on the connecting seat.

[0014] In a further preferred, the connecting seat is provided with a second embedding slot, and the second positioning rod is magnetically connected with the second embedding slot, so that the mounting frame is positioned and mounted with the connecting seat.

[0015] In a further preferred, the mounting frame is provided with a third embedding slot, and the connecting rod is mounted in the third embedding slot, so that different tools are used to drive the mounting frame.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the height adjusting screw provided by the utility model has the following beneficial effects:

[0018] In the utility model, the connecting mechanism is arranged, and the components such as the spring, the positioning frame, the mounting frame and the connecting rod are cooperated with each other, so that the device has the functions of quick connection and disassembly, different tools or accessories can be replaced in a short time, and the device is suitable for multifunctional equipment.

[0019] In the utility model, the first positioning rod, the second positioning rod, the first embedding slot and the second embedding slot are cooperated with each other, so that the connecting relationship between the mounting frame and the main body is ensured to have sufficient strength when the device is designed, and the main body and the connecting head can not be damaged due to the load of the tools. ACCURACY OF DRAWINGS

[0020] Figure 1 It is a height adjusting screw overall structure schematic view in the utility model;

[0021] Figure 2 It is another angle overall structure schematic view in the utility model;

[0022] Figure 3 It is the connecting mechanism explosion view in the utility model;

[0023] Figure 4 It is the mounting frame internal structure section view in the utility model;

[0024] Figure 5 It is the internal structure section view of the connecting seat in the utility model.

[0025] In the drawing: 1, main body; 2, spring; 3, positioning frame; 4, mounting frame; 5, connecting rod; 6, connecting seat; 7, limiting groove; 8, protruding block; 9, first positioning rod; 10, positioning hole; 11, first embedding groove; 12, mounting groove; 13, threaded hole; 14, second positioning rod; 15, second embedding groove; 16, third embedding groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Embodiment 1:

[0028] Please refer to Figures 1-5 A height adjusting screw rod, including main body 1 and connecting mechanism, the connecting mechanism includes spring 2, positioning frame 3, mounting frame 4 and connecting rod 5, the spring 2 is installed on positioning frame 3 its other end is fixedly connected with main body 1, the positioning frame 3 is installed in main body 1 inside and is slidably connected with main body 1, the mounting frame 4 is installed on main body 1 and is detachably connected with main body 1, the connecting rod 5 is installed on mounting frame 4 and is engaged with positioning frame 3 by screw thread, the main body 1 bottom is provided with connecting seat 6, the connecting seat 6 inside is provided with limiting groove 7, the positioning frame 3 is slid in limiting groove 7.

[0029] In the embodiment, the connecting mechanism includes spring 2, positioning frame 3, mounting frame 4 and connecting rod 5, when using, need to install main body 1 to different tools to drive main body 1 to adjust the height of some device, at this time, mounting frame 4 can be installed on the connecting seat 6 at the bottom of main body 1, at this time, the second positioning rod 14 on mounting frame 4 is directly inserted into the second embedding groove 15 at the bottom of connecting seat 6, and according to the magnetism of second positioning rod 14, mounting frame 4 does not need to be supported, at this time, connecting rod 5 can be installed in the third embedding groove 16 of mounting frame 4, and connecting rod 5 is rotated, and the rotation of connecting rod 5 makes connecting rod 5 and threaded hole 13 in positioning frame 3 engage by screw thread, so that the first positioning rod 9 on positioning frame 3 is inserted into the first embedding groove 11 in mounting frame 4 through the positioning hole 10 on connecting seat 6, and when positioning frame 3 slides, spring 2 is stretched in mounting groove 12, and protruding block 8 on positioning frame 3 slides in limiting groove 7 of connecting seat 6.

[0030] In this embodiment, in use, the sliding of the positioning frame 3 and the connection of the mounting frame 4 make the connection between the mounting frame 4 and the main body 1 tight, so as to increase the connection strength between the main body 1 and the mounting frame 4, because the main body 1 may bear huge lateral load in use, and if the connection strength between the connecting seat 6 and the mounting frame 4 is not enough, it may cause damage between the connecting seat 6 and the mounting frame 4, so as to damage the main body 1, and in use, the shape of the third embedded slot 16 on the mounting frame 4 is not always constant, but changes according to the insertion shape of the tool, so as to adapt to different tools.

[0031] Embodiment 2:

[0032] In summary, in use, the main body 1 needs to be installed on different tools to drive the main body 1 to adjust the height of some devices, at this time, the mounting frame 4 can be installed on the connecting seat 6 at the bottom of the main body 1, at this time, the second positioning rod 14 on the mounting frame 4 is directly inserted into the second embedded slot 15 at the bottom of the connecting seat 6, and according to the magnetism of the second positioning rod 14, the mounting frame 4 does not need to be supported, at this time, the connecting rod 5 can be installed in the third embedded slot 16 of the mounting frame 4, and the connecting rod 5 is rotated, the rotation of the connecting rod 5 makes the connecting rod 5 threadedly engaged with the threaded hole 13 in the positioning frame 3, so that the first positioning rod 9 on the positioning frame 3 is inserted into the first embedded slot 11 in the mounting frame 4 through the positioning hole 10 on the connecting seat 6, and when the positioning frame 3 slides, the spring 2 installed in the mounting slot 12 is stretched, and the protrusion 8 on the positioning frame 3 slides in the limiting slot 7 of the connecting seat 6, the sliding of the positioning frame 3 and the connection of the mounting frame 4 make the connection between the mounting frame 4 and the main body 1 tight, so as to increase the connection strength between the main body 1 and the mounting frame 4, because the main body 1 may bear huge lateral load in use, and if the connection strength between the connecting seat 6 and the mounting frame 4 is not enough, it may cause damage between the connecting seat 6 and the mounting frame 4, so as to damage the main body 1, and in use, the shape of the third embedded slot 16 on the mounting frame 4 is not always constant, but changes according to the insertion shape of the tool, so as to adapt to different tools.

[0033] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described one by one here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A height adjustment screw comprising a body (1) and a connection mechanism, characterized in that, The connecting mechanism comprises a spring (2), a positioning frame (3), a mounting frame (4) and a connecting rod (5), one end of the spring (2) is installed on the positioning frame (3), the other end of the spring (2) is fixedly connected with the main body (1), the positioning frame (3) is installed in the main body (1) and is in sliding connection with the main body (1), the mounting frame (4) is installed on the main body (1) and is in detachable connection with the main body (1), the connecting rod (5) is installed on the mounting frame (4) and is in screw engagement with the positioning frame (3), the bottom of the main body (1) is provided with a connecting seat (6), the connecting seat (6) is internally provided with a limiting groove (7), and the positioning frame (3) slides in the limiting groove (7).

2. A height adjustment screw as claimed in claim 1, wherein: The positioning frame (3) is provided with a protruding block (8) and a first positioning rod (9), the protruding block (8) slides in the limiting groove (7), and the first positioning rod (9) is in matched connection with the mounting frame (4).

3. A height adjustment screw as claimed in claim 2, wherein: The connecting seat (6) is provided with a positioning hole (10), the mounting frame (4) is provided with a first embedding groove (11), the first positioning rod (9) is in sliding connection with the positioning hole (10) and matched connection with the first embedding groove (11).

4. A height adjustment screw as claimed in claim 2, wherein: The positioning frame (3) is provided with a mounting groove (12), and one end of the spring (2) is installed in the mounting groove (12).

5. A height adjustment screw as claimed in claim 1, wherein: The positioning frame (3) is provided with a threaded hole (13), and the connecting rod (5) is in screw engagement with the threaded hole (13).

6. A height adjustment screw as claimed in claim 2, wherein: The mounting frame (4) is provided with a second positioning rod (14), the second positioning rod (14) is in magnetic connection with the connecting seat (6), and the second positioning rod (14) is magnetic.

7. A height adjustment screw as claimed in claim 6, wherein: The connecting seat (6) is provided with a second embedding groove (15), and the second positioning rod (14) is in magnetic connection with the second embedding groove (15).

8. A height adjustment screw as claimed in claim 1, wherein: The mounting frame (4) is provided with a third embedding groove (16), and the connecting rod (5) is installed in the third embedding groove (16).

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