CN108561411B

CN108561411B - Rotating shaft convenient for adjusting position of turntable

Info

Publication number: CN108561411B
Application number: CN201810496319.6A
Authority: CN
Inventors: 陶峰
Original assignee: Zhangjiagang Hansheng Machinery Technology Co ltd
Current assignee: Zhangjiagang Hansheng Machinery Technology Co ltd
Priority date: 2018-05-22
Filing date: 2018-05-22
Publication date: 2023-11-17
Anticipated expiration: 2038-05-22
Also published as: CN108561411A

Abstract

The invention discloses a rotating shaft convenient for adjusting the position of a rotating disc, which effectively solves the problem that the position of a belt pulley on the existing rotating shaft is not adjustable or inconvenient to adjust.

Description

Rotating shaft convenient for adjusting position of turntable

Technical Field

The invention relates to the technical field of rotating shafts, in particular to a rotating shaft convenient for adjusting the position of a rotating disc.

Background

The rotating shaft is a shaft which is necessary for connecting the main parts of the product and is used for bearing bending moment and torque in the rotating operation. Common rotating shafts are: a mobile phone spindle (flip or rotary screen mobile phone); a notebook computer rotating shaft; a portable DVD spindle; a rotating shaft of the LED desk lamp; an LCD display screen rotating shaft; GPS vehicle-mounted bracket rotating shaft and the like. The position of the belt pulley on the existing rotating shaft is not adjustable or inconvenient to adjust.

Therefore, how to design a rotating shaft which is convenient for adjusting the position of the rotating disc becomes the current problem to be solved.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the rotating shaft which is convenient for adjusting the position of the rotating disc, and the problem that the position of the belt pulley on the existing rotating shaft is not adjustable or inconvenient to adjust is effectively solved.

In order to achieve the above purpose, the telescopic rod comprises a shaft rod, a sliding groove is formed in the center of the shaft rod, a scale bar is embedded and installed on one side of the sliding groove, a limiting groove is formed in one side of the shaft rod, a moving groove is formed in one side of the limiting groove, two sides of the inside of the sliding groove are connected through threaded rods, sliding blocks are connected to the threaded rods in a rotating mode through threads, the tops of the sliding blocks are connected with the center of the inner wall of a belt pulley sleeved on the shaft rod through fixing rods, the other ends of the threaded rods penetrate through the inner wall of one side of the sliding groove and are connected with a telescopic rod fixed in the moving groove, the top end of the telescopic rod is embedded and installed in the telescopic groove formed in one side of a sleeve, a limiting block is fixedly arranged on one side of the telescopic rod in the telescopic groove through welding, and a fixing block matched with the limiting groove is fixedly arranged on the tops of the sleeve through welding.

The belt pulley is arranged on the threaded rod with the sliding block, so that the position of the belt pulley can be accurately adjusted, and the convenience of use is effectively improved; the fixed block is fixed to the inside of spacing groove through the latch, can effectually prevent that belt pulley from shifting in the in-process of using, the effectual security that promotes in the use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall internal structure of the present invention;

FIG. 3 is a schematic diagram of the pulley drive of the present invention;

fig. 4 is a schematic view of the structure of the fixing block of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to FIGS. 1-4.

The invention is shown by figures 1-4, the invention comprises a shaft lever 2, a chute 3 is arranged at the center of the shaft lever 2, a scale bar 4 is embedded and installed on one side of the chute 3, a limit groove 12 is arranged on one side of the shaft lever 2, a movable groove 14 is arranged on one side of the limit groove 12, two sides of the inside of the chute 3 are connected through a threaded rod 6, a sliding block 16 is connected on the threaded rod 6 through screw threads in a rotating way, the top of the sliding block 16 is connected with the center of the inner wall of a belt pulley 5 sleeved on the shaft lever 2 through a fixed rod 15, the other end of the threaded rod 6 passes through the inner wall of one side of the chute 3 and is connected with a telescopic rod 9 fixed in the movable groove 14, the top of the telescopic rod 9 is embedded and installed in a telescopic groove 13 arranged on one side of a sleeve 11, a limit block 10 is fixed on one side of the inside the telescopic rod 9 through welding, and the top of the sleeve 11 is fixedly provided with a fixed block 7 matched with the limit groove 12 through welding.

In order to ensure the stability of fixation, the periphery of the fixed block 7 is fixedly provided with a latch 17 matched with the limit groove 12 through welding, the center of the top of the fixed block 7 is provided with a square hole 18, and one side of the square hole 18 is provided with a groove 19.

In order to prevent the belt from slipping and affecting the use, the inner wall of the pulley 5 is evenly paved with anti-slip patterns.

In order to fully retract the sleeve 11 into the interior of the moving groove 14, the length of the sleeve 11 is equal to the length of the moving groove 14.

In order to fully retract the telescopic rod 9 and the stopper 10 into the telescopic groove 13, the length of the telescopic groove 13 is equal to the sum of the lengths of the telescopic rod 9 and the stopper 10.

In order to improve the convenience of use, the shaft lever 2 is provided with screw thread parts 1 on both corresponding sides.

To facilitate the rotation of the threaded rod 6, the threaded rod 6 is connected to the inner wall of the chute 3 by means of bearings 8.

In order to make the stopper 10 rotate along with the rotation of the telescopic slot 13, both the stopper 10 and the telescopic slot 13 have a square structure.

Working principle: when the belt pulley 5 is required to be adjusted in use, the groove 19 is hooked by the hook, the fixed block 7 is moved out, the sleeve 11 is driven to move, the square hole 18 on the fixed block 7 is used for rotating the fixed block 7, the sleeve 11 is driven to rotate, the telescopic rod 9 is driven to rotate, the threaded rod 6 is finally driven to rotate, the sliding block 16 is driven to move on the threaded rod 6, the belt pulley 5 is driven to move on the shaft rod 2 by the fixed rod 15, meanwhile, the position of the belt pulley 5 is conveniently and accurately adjusted by a user by matching with the used scale bar 4, and the practicability of a product is effectively improved;

after the adjustment is completed, the fixing block 7 is fixed in the limiting groove 12 through the latch 17, so that the belt pulley 5 can be effectively prevented from being shifted in the using process, and the safety in the using process is effectively improved.

Compared with the prior art, the invention has the following advantages: 1) The belt pulley 5 is arranged on the threaded rod 6 with the sliding block 16, so that the position of the belt pulley 5 can be accurately adjusted, and the convenience of use is effectively improved; 2) The fixed block 7 is fixed to the inside of the limit groove 12 through the latch 17, so that the belt pulley 5 can be effectively prevented from shifting in the using process, and the safety in the using process is effectively improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pivot convenient to adjust carousel position, includes axostylus axostyle (2), its characterized in that: the utility model discloses a fixed block (7) that fixed block (10) used with spacing groove (12) cooperation is passed through to the top of sleeve pipe (11) through welded fastening to the inside that fixed block (7) that spout (2) used is offered in the inside that fixed block (10) was offered in one side embedding of spacing groove (12) was installed in one side embedding of spout (3), fixed slot (12) was offered in one side of spout (3), removal groove (14) was offered in one side of spout (2), inside both sides of spout (3) are connected through threaded rod (6), be connected with slider (16) through threaded rotation on threaded rod (6), and the top of slider (16) is connected through dead lever (15) and the inner wall center department of pulley (5) that cup joints on axostylus axostyle (2), the other end of threaded rod (6) passes one side inner wall of spout (3) and is connected with telescopic link (9) of fixing in the inside of removal groove (14), and telescopic link (9) are installed in the inside of telescopic link (13) one side of sleeve pipe (11).

2. A spindle for facilitating adjustment of a turntable position as set forth in claim 1, wherein: the periphery of the fixed block (7) is fixedly provided with a latch (17) matched with the limiting groove (12) through welding, a square hole (18) is formed in the center of the top of the fixed block (7), and a groove (19) is formed in one side of the square hole (18).

3. A spindle for facilitating adjustment of a turntable position as set forth in claim 1, wherein: anti-skid patterns are uniformly paved on the inner wall of the belt pulley (5).

4. A spindle for facilitating adjustment of a turntable position as set forth in claim 1, wherein: the length of the sleeve (11) is equal to the length of the moving groove (14).

5. A spindle for facilitating adjustment of a turntable position as set forth in claim 1, wherein: the length of the telescopic groove (13) is equal to the sum of the lengths of the telescopic rod (9) and the limiting block (10).

6. A spindle for facilitating adjustment of a turntable position as set forth in claim 1, wherein: screw thread parts (1) are arranged on two corresponding sides of the shaft rod (2).

7. A spindle for facilitating adjustment of a turntable position as set forth in claim 1, wherein: the threaded rod (6) is connected with the inner wall of the chute (3) through a bearing (8).

8. A spindle for facilitating adjustment of a turntable position as set forth in claim 1, wherein: the limiting block (10) and the telescopic groove (13) are of square structures.