Liftable rotating device

Abstract

The utility model discloses a liftable rotating device which comprises a bottom plate, the upper surface of the bottom plate is rotationally connected with two threaded rods, the circumferential outer walls of the two threaded rods are both in threaded connection with connecting blocks, a sliding frame is fixedly connected between the two connecting blocks, a groove is formed in the upper surface of the sliding frame, and a rotating disc is rotationally connected into the groove. A connecting assembly enabling the two threaded rods to rotate synchronously is arranged between the two threaded rods, a rotating shaft is fixedly connected to the bottom of the rotating disc, the bottom end of the rotating shaft penetrates through the sliding frame to be in key connection with a gear, a rack meshed with the gear is arranged at the bottom of the sliding frame, a sliding groove is formed in the bottom of the rack, and a connecting frame is arranged in the sliding groove. And the connecting frame is fixed with the sliding frame. The height can be adjusted, people with different heights can conveniently use the height adjusting device, the working comfort degree is improved, a worker can conveniently rotate the threaded rod to adjust the height, and the use convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting and rotating technology, in particular to a lifting and rotating device. Background Art

[0002] The paper tube consists of a back plate, a baffle and a cover tube. There is a sliding groove between the movable back plate and the fixed back plate. A spring is fixed on the side where the two are not connected. There is a baffle on the outside of the movable back plate. The cover tube is installed on the fixed back plate, and the side connected to the movable back plate is open.

[0003] After searching, a Chinese patent with the announcement number CN209615426U discloses a workbench rotating device for paper tube processing, including a base plate, a bearing is clamped on the lower surface of the base plate, and a rotating shaft is sleeved on the inner wall of the bearing, thereby fixing the turntable to prevent the turntable from rotating during processing. However, the following defects still exist: the device is not convenient for height adjustment, which reduces the working comfort of operators of different heights during processing, thereby causing inconvenience. Summary of the Invention

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a lifting and rotating device.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] The cam is secured to the chassis and has a locking mechanism which allows the two wheels to rotate relative to each other, the cam being secured to the chassis at a point which is fixed to the chassis and locking to the chassis.

[0007] As a further solution of the present invention, the connecting assembly includes a first pulley, which is keyed to the circumferential outer wall of one of the threaded rods near the bottom, and a second pulley is keyed to the circumferential outer wall of the other threaded rod near the bottom, and the first pulley and the second pulley are connected by a belt drive.

[0008] As a further solution of the present invention, the top ends of the two threaded rods are fixedly connected with a blocking block for blocking and limiting the connecting block.

[0009] As a further solution of the present invention, a plurality of telescopic rods are fixedly connected to the upper surface of the base plate, and one end of the telescopic portion of the plurality of telescopic rods is fixed to the slide.

[0010] As a further solution of the present invention, knobs for rotating the threaded rods are fixedly connected to the circumferential outer walls of the two threaded rods.

[0011] As a further solution of the present invention, a guide rod is fixedly connected in the sliding groove, and the guide rod passes through the connecting frame.

[0012] As a further solution of the present invention, one end of the rack is fixedly connected to a fixing rod for pushing the rack to move.

[0013] The beneficial effects of the utility model are:

[0014] 1. By using the threaded rod and the connecting block together, the threaded rod is rotated, and the threaded rod engages with the connecting block to move the connecting block upward, and the connecting block drives the slide to move upward, and the slide drives the turntable to move upward, so that the height can be adjusted, which is convenient for people of different heights to use and improves working comfort.

[0015] 2. Through the setting of the connecting component, when one of the threaded rods is rotated, one of the threaded rods will drive the other threaded rod to rotate synchronously in the same direction through the connecting component, thereby making it convenient for the staff to rotate the threaded rod to adjust the height, thereby improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of a lifting and rotating device proposed by the utility model;

[0017] Figure 2 This is a partially enlarged structural diagram of a lifting and rotating device proposed in the utility model;

[0018] Figure 3 This is a schematic diagram of the gear assembly structure of a lifting and rotating device proposed by the utility model.

[0019] In the figure: 1. Base plate; 2. First pulley; 3. Connecting block; 4. Knob; 5. Threaded rod; 6. Stop block; 7. Turntable; 8. Groove; 9. Slide; 10. Telescopic rod; 11. Rack; 12. Fixed rod; 13. Gear; 14. Rotating shaft; 15. Second pulley; 17. Guide rod; 18. Slide groove. DETAILED DESCRIPTION

[0020] It should be noted that the terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, so that the embodiments of this application described here, based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0021] Reference Figure 1-Figure 3 , a lifting and rotating device includes a base plate 1, the upper surface of the base plate 1 is rotatably connected to two threaded rods 5, the circumferential outer walls of the two threaded rods 5 are threadedly connected to a connecting block 3, a slide 9 is welded between the two connecting blocks 3, the upper surface of the slide 9 is provided with a groove 8, a turntable 7 is rotatably connected in the groove 8, and a connecting component is provided between the two threaded rods 5 to enable the two threaded rods 5 to rotate synchronously. When one of the threaded rods 5 is rotated, one of the threaded rods 5 will drive the other threaded rod 5 to rotate synchronously in the same direction through the connecting component. During the rotation process, the two threaded rods 5 will engage with the threads between the connecting blocks 3 to make the connecting block 3 move upward, the connecting block 3 will drive the slide 9 to move upward, and the slide 9 will drive the turntable 7 to move upward, thereby adjusting the height;

[0022] A rotating shaft 14 is welded to the bottom of the turntable 7, and the bottom end of the rotating shaft 14 is connected to the gear 13 through the slide 9 key. The bottom of the slide 9 is provided with a rack 11 that meshes with the gear 13, and a slide groove 18 is provided at the bottom of the rack 11. A connecting frame is provided in the slide groove 18, and the connecting frame is fixed to the slide 9. After the height adjustment is completed, the rack 11 is pulled back and forth through the cooperation of the connecting frame and the slide groove 18. The rack 11 drives the gear 13 to rotate through the engagement with the gear 13, and the gear 13 drives the rotating shaft 14 to rotate. The rotating shaft 14 drives the turntable 7 to rotate, thereby rotating, so that the height can be adjusted, which is convenient for people of different heights to use and improves the comfort of work.

[0023] In the utility model, the connecting assembly includes a first pulley 2, the first pulley 2 is keyed to a position near the bottom of the circumferential outer wall of one of the threaded rods 5, and a second pulley 15 is keyed to a position near the bottom of the circumferential outer wall of the other threaded rod 5. The first pulley 2 and the second pulley 15 are connected by a belt drive, and one of the threaded rods 5 drives the first pulley 2 to rotate, and the first pulley 2 drives the second pulley 15 to rotate synchronously in the same direction through the belt, thereby causing the other threaded rod 5 to rotate synchronously in the same direction;

[0024] The top ends of the two threaded rods 5 are welded with a stop block 6 for blocking and limiting the connecting block 3. The stop block 6 blocks the connecting block 3 to prevent the connecting block 3 from detaching from the threaded rod 5. A plurality of telescopic rods 10 are fixed to the upper surface of the base plate 1 by bolts. One end of the telescopic part of the plurality of telescopic rods 10 is fixed to the slide 9. The telescopic rods 10 can support the slide 9. The circumferential outer walls of the two threaded rods 5 are welded with a knob 4 for rotating the threaded rod 5. A guide rod 17 is fixed in the slide groove 18 by bolts, and the guide rod 17 passes through the connecting frame. One end of the rack 11 is fixed with a fixed rod 12 for pushing the rack 11 to move by bolts.

[0025] Working principle: when it is needed to use, one of the threaded rods 5 is rotated, and one of the threaded rods 5 will drive the first pulley 2 to rotate, and the first pulley 2 drives the second pulley 15 to rotate synchronously in the same direction through the belt, so that the other threaded rod 5 rotates synchronously in the same direction. During the rotation, the two threaded rods 5 will engage with the thread between the connecting block 3 to move upward, and the connecting block 3 will drive the slide 9 to move upward, and the slide 9 will drive the turntable 7 to move upward, thereby adjusting the height. After the height adjustment is completed, the rack 11 is pulled by the fixed rod 12 to reciprocate through the cooperation of the connecting frame and the slide groove 18, and the rack 11 drives the gear 13 to rotate through the engagement with the gear 13, and the gear 13 drives the rotating shaft 14 to rotate, and the rotating shaft 14 drives the turntable 7 to rotate, thereby rotating, so that the height can be adjusted, which is convenient for people of different heights to use and improves work comfort.

[0026] The present invention has been described through the above embodiments. Those skilled in the art will understand that the present invention is not limited to the above embodiments, and more modifications can be made according to the teachings of the present invention. These modifications all fall within the scope of protection required by the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A lifting and rotating device, comprising a base plate (1), characterized in that: The upper surface of the base plate (1) is rotatably connected to two threaded rods (5), and the outer circumferential walls of the two threaded rods (5) are both threadedly connected to connecting blocks (3). A slide (9) is fixedly connected between the two connecting blocks (3). A groove (8) is provided on the upper surface of the slide (9), and a turntable (7) is rotatably connected in the groove (8). A connecting component for making the two threaded rods (5) rotate synchronously is provided between the two threaded rods (5). The bottom of the turntable (7) is fixedly connected to a rotating shaft (14), and the bottom end of the rotating shaft (14) is connected to a gear (13) through a key of the slide (9). The bottom of the slide (9) is provided with a rack (11) meshing with the gear (13), and the bottom of the rack (11) is provided with a slide groove (18). A connecting frame is provided in the slide groove (18), and the connecting frame is fixed to the slide (9).

2. The lifting and rotating device according to claim 1, characterized in that: The connecting assembly comprises a first pulley (2), the first pulley (2) being key-connected to a position of the circumferential outer wall of one of the threaded rods (5) near the bottom, and a second pulley (15) being key-connected to a position of the circumferential outer wall of the other threaded rod (5) near the bottom, the first pulley (2) and the second pulley (15) being connected via a belt drive.

3. The lifting and rotating device according to claim 2, characterized in that: The top ends of the two threaded rods (5) are fixedly connected with a blocking block (6) for blocking and limiting the connection block (3).

4. The lifting and rotating device according to claim 1, characterized in that: A plurality of telescopic rods (10) are fixedly connected to the upper surface of the base plate (1), and one end of the telescopic portion of the plurality of telescopic rods (10) is fixed to the slide (9).

5. The lifting and rotating device according to claim 3, characterized in that: The circumferential outer walls of the two threaded rods (5) are both fixedly connected with knobs (4) for rotating the threaded rods (5).

6. The lifting and rotating device according to claim 1, characterized in that: A guide rod (17) is fixedly connected to the sliding groove (18), and the guide rod (17) passes through the connecting frame.

7. The lifting and rotating device according to claim 1, characterized in that: One end of the rack (11) is fixedly connected to a fixing rod (12) for pushing the rack (11) to move.

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