Foldable tray

Abstract

The utility model discloses a foldable tray, which belongs to the technical field of trays, and comprises a bottom plate, the top of the bottom plate is movably connected with a cylinder through a hinge, the bottom of the inner wall of the cylinder is fixedly connected with a second bearing, the second bearing is internally and rotatably connected with a second rotating shaft, and the surface of the second rotating shaft is fixedly connected with a worm gear. A screw rod is fixedly connected to the top end of the second rotating shaft, first bearings are fixedly connected to the two sides of the inner wall of the barrel correspondingly, first rotating shafts are rotationally connected into the two first bearings correspondingly, the driving motor operates, a worm is driven to rotate through the first rotating shafts, and the screw rod can be driven to rotate by means of the meshing effect of the worm and a worm gear; and the height of the disc body can be adjusted, the flexibility of the device is improved, the disc body can be stored through operation of the electric push rod under the action of a pin shaft, and the barrel body can be stored through arrangement of a clamping frame.

Description

Technical Field

[0001] The utility model relates to the technical field of trays, and more particularly to a foldable tray. Background Art

[0002] Internal medicine nursing is a clinical discipline that recognizes these diseases, cares for patients, promotes rehabilitation, and improves health. It is based on basic medicine, clinical medicine, and humanities and social sciences.

[0003] However, most of the current internal medicine nursing trays are not easy to fold and store, which reduces the practicality of the trays. In addition, most of them cannot be adjusted in height, so they cannot be used for people of different heights, which reduces the flexibility of the trays. Utility Model Content

[0004] (1) Technical problems to be solved

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a foldable tray with the characteristics of high flexibility and good practicality.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides a foldable tray, comprising a bottom plate, the top of the bottom plate is movably connected to a cylinder by a hinge, the bottom of the inner wall of the cylinder is fixedly connected to a second bearing, a second rotating shaft is rotatably connected in the second bearing, a worm gear is fixedly connected to the surface of the second rotating shaft, a screw rod is fixedly connected to the top of the second rotating shaft, both sides of the inner wall of the cylinder are fixedly connected to the first bearing, the two first bearings are rotatably connected in the first rotating shaft, the opposite ends of the two first rotating shafts are fixedly connected to a worm, the worm is meshed with the worm gear, one side of the cylinder is fixedly connected to a shell, a drive motor is fixedly connected in the shell, and the output shaft of the drive motor The top of the two movable plates is fixedly connected to the disc body, and the bottom of the two support plates is provided with a second sliding groove, and the two second sliding grooves are slidably connected to the second sliders, and both sides of the threaded block are movably connected to an electric push rod through a pin shaft, and the other ends of the two electric push rods are movably connected to the bottom of the two second sliders through a pin shaft, and the top of the base plate is fixedly connected to a card frame, and the card frame is adapted to the cylinder.

[0008] When a foldable tray of the present technical solution is used, the driving motor is operated to drive the worm to rotate through the first rotating shaft. With the help of the meshing effect of the worm and the worm wheel, the lead screw can be driven to rotate, thereby driving the threaded block to move, and the height of the tray body can be adjusted, thereby improving the flexibility of the device.

[0009] Furthermore, first sliding grooves are provided on both sides of the inner wall of the cylinder, and first sliders are slidably connected in the two first sliding grooves, and the two first sliders are fixedly connected to both sides of the threaded block respectively.

[0010] Furthermore, a fixing plate is fixedly connected to the top of the bottom plate, and there are two fixing plates, which are fixedly installed on both sides of the cylinder through studs respectively.

[0011] Furthermore, universal wheels are fixedly connected to the bottom of the base plate near the four corners, and brake pads are provided inside the universal wheels.

[0012] Furthermore, a handle is fixedly connected to one side of the base plate, and an anti-slip cover is fixedly connected to the surface of the handle.

[0013] (3) Beneficial effects

[0014] In summary, the present invention has the following beneficial effects:

[0015] 1. The driving motor is used to drive the worm to rotate through the first rotating shaft. The worm and the worm wheel are meshed to drive the screw to rotate, thereby driving the threaded block to move. The height of the disc can be adjusted, which improves the flexibility of the device. The electric push rod is used to operate the pin shaft to store the disc. The cylinder can be stored by setting a card frame.

[0016] 2. By opening the first slide groove and with the help of the sliding action of the first slider in the first slide groove, the movement of the threaded block can be made more stable. By setting the fixing plate, the cylinder can be fixed. By setting the brake pad, the box can be parked stably. By setting the anti-slip sleeve, the friction between the hand and the handle can be increased, making the movement of the device more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for the description of the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0020] Figure 3 This is a schematic diagram of the front view structure of the utility model;

[0021] Figure 4 for Figure 1 A in the middle is an enlarged structural diagram;

[0022] Figure 5 for Figure 2 Enlarged structural diagram at point B in the middle.

[0023] The symbols in the accompanying drawings are:

[0024] 1. Base plate; 2. First bearing; 3. First rotating shaft; 4. Drive motor; 5. Housing; 6. Cylinder; 7. Screw; 8. First slider; 9. First slide groove; 10. Threaded block; 11. Support plate; 12. Disc; 13. Second bearing; 14. Worm gear; 15. Second rotating shaft; 16. Worm; 17. Connecting frame; 18. Movable plate; 19. Second slide groove; 20. Second slider; 21. Electric push rod; 22. Frame; 23. Fixed plate; 24. Anti-slip sleeve; 25. Handle; 26. Universal wheel; 27. Brake pad. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the technical solutions in the specific implementation methods of the present invention are clearly and completely described below to further illustrate the present invention. Obviously, the specific implementation methods described are only part of the implementation methods of the present invention, rather than all styles.

[0026] Example:

[0027] The following is combined with Figure 1-5 The utility model is described in further detail.

[0028] See also Figure 1-5The utility model provides a technical solution: a foldable tray, including a bottom plate 1, the top of the bottom plate 1 is movably connected to a cylinder 6 through a hinge, the bottom of the inner wall of the cylinder 6 is fixedly connected to a second bearing 13, and a second rotating shaft 15 is rotatably connected in the second bearing 13. The surface of the second rotating shaft 15 is fixedly connected to a worm gear 14, and the top of the second rotating shaft 15 is fixedly connected to a screw rod 7. Both sides of the inner wall of the cylinder 6 are fixedly connected to the first bearing 2, and the two first bearings 2 are rotatably connected to the first rotating shaft 3. The opposite ends of the two first rotating shafts 3 are fixedly connected to a worm 16, which meshes with the worm gear 14. One side of the cylinder 6 is fixedly connected to a shell 5, and a driving motor 4 is fixedly connected in the shell 5. The other end of the output shaft of the driving motor 4 is fixedly connected to the other end of the first rotating shaft 3. When the driving motor 4 is operated, the worm 16 is driven to rotate through the first rotating shaft 3, and the meshing of the worm 16 and the worm gear 14 can drive the screw rod 7 to rotate, thereby driving The movement of the threaded block 10 can adjust the height of the disk body 12, which improves the flexibility of the device. The surface of the screw rod 7 is threadedly connected to the threaded block 10, and both sides of the threaded block 10 are fixedly connected to a connecting frame 17. The surfaces of the two connecting frames 17 are rotatably connected to a movable plate 18. One side of the two movable plates 18 is fixedly connected to a support plate 11. The tops of the two support plates 11 are fixedly connected to the disk body 12. The bottoms of the two support plates 11 are provided with a second slide groove 19, and the two second slide grooves 19 are slidably connected to the second sliders 20. Both sides of the threaded block 10 are movably connected to an electric push rod 21 through a pin shaft. The other ends of the two electric push rods 21 are movably connected to the bottoms of the two second sliders 20 through a pin shaft. The top of the bottom plate 1 is fixedly connected to a card frame 22, which is adapted to the cylinder body 6. Through the operation of the electric push rod 21, the disk body 12 can be stored with the help of the pin shaft. By setting the card frame 22, the cylinder body 6 can be stored.

[0029] Specifically, first sliding grooves 9 are opened on both sides of the inner wall of the cylinder 6, and first sliders 8 are slidably connected in the two first sliding grooves 9. The two first sliders 8 are respectively fixedly connected to the two sides of the threaded block 10. A fixing plate 23 is fixedly connected to the top of the base plate 1, and there are two fixing plates 23. The two fixing plates 23 are respectively fixedly installed on both sides of the cylinder 6 by studs.

[0030] By adopting the above technical solution, by opening the first sliding groove 9 and by means of the sliding action of the first slider 8 in the first sliding groove 9, the movement of the threaded block 10 can be made more stable, and by providing the fixing plate 23, the cylinder 6 can be fixed.

[0031] Specifically, universal wheels 26 are fixedly connected to the bottom of the base plate 1 near the four corners, and brake pads 27 are provided inside the universal wheels 26. A handle 25 is fixedly connected to one side of the base plate 1, and an anti-slip cover 24 is fixedly connected to the surface of the handle 25.

[0032] By adopting the above technical solution and providing the brake pads 27, the box can be parked stably, and by providing the anti-slip sleeve 24, the friction between the hand and the handle 25 can be increased, making the device move more stably.

[0033] The working principle of the present invention is as follows: when the device needs to be used, first, the device is moved to the use position, and then the driving motor 4 is operated to drive the worm 16 to rotate through the second rotating shaft 15, and the worm 16 is engaged with the worm wheel 14, so that the screw rod 7 is driven to rotate through the first rotating shaft 3, and the threaded block 10 is driven to move, and the disc 12 is moved to the appropriate position. After use is completed, the electric push rod 21 is operated, and the disc 12 and the support plate 11 are driven to move with the help of the pin shaft for storage, and then the stud is unscrewed, the movable cylinder 6 is clamped in the clamping frame 22, and folded.

[0034] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A foldable tray, comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is movably connected to the cylinder (6) through a hinge, the bottom of the inner wall of the cylinder (6) is fixedly connected to a second bearing (13), a second rotating shaft (15) is rotatably connected in the second bearing (13), a worm gear (14) is fixedly connected to the surface of the second rotating shaft (15), and a screw (7) is fixedly connected to the top of the second rotating shaft (15). Both sides of the inner wall of the cylinder (6) are fixedly connected to the first bearing (2), the first rotating shaft (3) is rotatably connected in the two first bearings (2), and the opposite ends of the two first rotating shafts (3) are fixedly connected to a worm (16), and the worm (16) is meshed with the worm gear (14). One side of the cylinder (6) is fixedly connected to a housing (5), and a driving motor (4) is fixedly connected in the housing (5). The other end of the output shaft of the driving motor (4) is fixedly connected to the other end of the first rotating shaft (3). The surface of the screw rod (7) is threadedly connected to a threaded block (10), and both sides of the threaded block (10) are fixedly connected to a connecting frame (17), and the surfaces of the two connecting frames (17) are rotatably connected to a movable plate (18), one side of the two movable plates (18) is fixedly connected to a support plate (11), the tops of the two support plates (11) are fixedly connected to a disk body (12), the bottoms of the two support plates (11) are provided with a second sliding groove (19), and the two second sliding grooves (19) are slidably connected to a second slider (20), both sides of the threaded block (10) are movably connected to an electric push rod (21) through a pin shaft, and the other ends of the two electric push rods (21) are movably connected to the bottoms of the two second sliders (20) through a pin shaft, and the top of the bottom plate (1) is fixedly connected to a card frame (22), and the card frame (22) is adapted to the cylinder (6).

2. A foldable tray according to claim 1, characterized in that: First sliding grooves (9) are provided on both sides of the inner wall of the cylinder (6), and first sliders (8) are slidably connected in the two first sliding grooves (9), and the two first sliders (8) are fixedly connected to the two sides of the threaded block (10).

3. The foldable tray according to claim 1, characterized in that: A fixing plate (23) is fixedly connected to the top of the bottom plate (1), and there are two fixing plates (23). The two fixing plates (23) are fixedly installed on both sides of the cylinder (6) through studs.

4. The foldable tray according to claim 1, characterized in that: The bottom of the base plate (1) is fixedly connected to positions near the four corners with universal wheels (26), and brake pads (27) are arranged inside the universal wheels (26).

5. The foldable tray according to claim 1, characterized in that: A handle (25) is fixedly connected to one side of the bottom plate (1), and an anti-slip cover (24) is fixedly connected to the surface of the handle (25).

Images