Lifting type manuscript placing frame

Abstract

The utility model discloses a lifting type manuscript placing frame, and particularly relates to the technical field of manuscript placing frames, the lifting type manuscript placing frame comprises a base and a top plate, the top plate is located above the base, and telescopic components are arranged between the top plate and the four ends of the base; the placing plate is rotationally connected with one end of the top of the top plate, and an angle adjusting mechanism is arranged between the placing plate and the top plate; the lifting mechanism comprises a supporting plate fixed to the middle of the top of the base. The four telescopic parts are arranged between the base and the top plate, under the cooperation of the lifting mechanism composed of the supporting plate, the handle, the connecting shafts, the second connecting handles, the driving assembly and the like, the four second connecting handles can push the top plate to ascend or descend at the same time by rotating the handle forwards and backwards, and then stable lifting of the containing plate can be rapidly achieved; and therefore, the placement height of the manuscript can be accurately adjusted according to requirements, and the applicability of the device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of manuscript placing racks, in particular to a lifting manuscript placing rack. Background Art

[0002] A manuscript rack refers to a tool for placing manuscripts, and the content of manuscripts covers a wide range, including paper, photos, and books, etc., and is mainly used to record text and pictures. The manuscript rack can be used to support and place the manuscript so that the user can read it without using his hands.

[0003] At present, manuscript racks are in use, and manuscripts are usually placed on the top of the rack. Due to the large difference in heights of different users, in order to facilitate use by different groups of people, it is usually necessary to adjust the height of the manuscripts. However, the height adjustment of the manuscripts is inconvenient, and bolts, screw holes, telescopic rods and other structures are often used to loosen and raise the manuscripts through threads. This is not only cumbersome and inconvenient to operate, but also difficult to quickly and accurately adjust the height, which greatly affects the actual use effect of the device. Utility Model Content

[0004] The purpose of the utility model is to provide a lifting type manuscript placing rack, by arranging four telescopic parts between the base and the top plate, and with the cooperation of a lifting mechanism composed of a support plate, a handle, a connecting shaft, a second connecting handle and a driving assembly, the four second connecting handles can be simultaneously pushed to rise or fall by rotating the handle forwards and backwards, thereby quickly realizing the smooth lifting and lowering of the placing plate, so that the placing height of the manuscript can be adjusted according to needs, thereby greatly improving the applicability of the device and solving the above-mentioned shortcomings in the technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions: a lifting type manuscript rack, comprising:

[0006] A base and a top plate, wherein the top plate is located above the base, and telescopic components are provided between the top plate and four ends of the base;

[0007] A placing plate, wherein the placing plate is rotatably connected to one end of the top plate, and an angle adjustment mechanism is provided between the placing plate and the top plate;

[0008] A lifting mechanism, the lifting mechanism includes a support plate fixed in the middle of the top of the base, the top of the support plate is rotatably connected to two connecting rods, first connecting handles are symmetrically fixed at both ends of the connecting rods, and the first connecting handle is rotatably connected to the second connecting handle relative to one end of the connecting rod, the second connecting handle is rotatably connected to the bottom side of the top plate relative to one end of the first connecting handle, one end of the two connecting rods is fixed with a gear, and the two gears are meshed with each other, and one end of one of the connecting rods is provided with a driving assembly.

[0009] Preferably, the driving assembly includes a support frame fixed to the top of the base close to the support plate, the top of the support frame is rotatably connected to a connecting shaft, a worm is provided in the middle of the connecting shaft, and one end of the connecting shaft passes through the support frame and is fixed with a handle, one end of one of the connecting rods close to the gear is connected to a worm wheel, and the worm wheel is meshed with the worm.

[0010] Preferably, a magnetic plate is fixed to the side wall of the placement plate, and a plurality of magnetic strips are provided on the magnetic plate.

[0011] Preferably, a blocking bar is fixed to the bottom end of one side of the placement plate close to the magnetic plate.

[0012] Preferably, the telescopic component includes fixed columns fixed to the four ends of the top of the base, and guide columns are fixed to the four ends of the bottom of the top plate. A guide groove is opened inside the fixed column, and the bottom end of the guide column slides in the guide groove.

[0013] Preferably, the angle adjustment mechanism includes a sliding cavity opened in the middle of the top of the top plate, the interior of the sliding cavity is rotatably connected to a threaded rod, the outer wall of the threaded rod is connected to a movable block by a threaded engagement, and one end of the threaded rod extends to the outer wall of the top plate and is provided with a fixed handle, a movable plate is provided on the top of the top plate, both ends of the movable plate are rotatably connected to the placement plate with connecting arms, and the movable plate is fixedly connected to the movable block.

[0014] Preferably, universal wheels are provided at four ends of the bottom of the base.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] 1. By setting four telescopic parts between the base and the top plate, and with the cooperation of the lifting mechanism composed of the support plate, handle, connecting shaft, second connecting handle and driving assembly, the four second connecting handles can be used to simultaneously push the top plate up or down by rotating the handle forward and backward, so that the placement plate can be quickly and smoothly lifted and lowered, so that the placement height of the manuscript can be accurately adjusted according to needs, which greatly improves the applicability of the device.

[0017] 2. By setting an angle adjustment mechanism between the placement plate and the top plate, and by rotating the fixed handle on the angle adjustment mechanism, the connecting arm can pull the placement plate to rotate on the top plate, so that the angle of the placement plate can be adjusted, and then the tilting angle of the manuscript can be adjusted according to needs, which greatly improves the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 This is one of the overall structural diagrams of the utility model;

[0020] Figure 2 This is the second schematic diagram of the overall structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the connection structure between the support plate and the support frame of the utility model;

[0022] Figure 4 It is a cross-sectional view of the top plate and the placement plate of the utility model;

[0023] Figure 5 It is a cross-sectional view of the fixing column of the utility model.

[0024] Description of reference numerals:

[0025] 1. Base; 2. Universal wheel; 3. Top plate; 4. Telescopic component; 41. Fixed column; 42. Guide column; 43. Guide groove; 5. Placement plate; 6. Magnetic plate; 7. Magnetic strip; 8. Baffle bar; 9. Movable plate; 10. Connecting arm; 11. Sliding cavity; 12. Threaded rod; 13. Movable block; 14. Fixed handle; 15. Support plate; 16. Connecting rod; 17. First connecting handle; 18. Second connecting handle; 19. Gear; 20. Worm gear; 21. Support frame; 22. Connecting shaft; 23. Handle; 24. Worm. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] The utility model provides Figure 1-Figure 5 A lifting type manuscript rack is shown, comprising:

[0028] A base 1 and a top plate 3, wherein the top plate 3 is located above the base 1, and telescopic components 4 are provided between the top plate 3 and four ends of the base 1;

[0029] The telescopic component 4 includes fixed columns 41 fixed to the four ends of the top of the base 1, and guide columns 42 are fixed to the four ends of the bottom of the top plate 3. A guide groove 43 is provided inside the fixed column 41, and the bottom end of the guide column 42 is slidably matched in the guide groove 43. The top plate 3 can drive the guide column 42 to slide in the guide groove 43. With the cooperation of the four groups of guide columns 42 and the fixed column 41, the stability of the top plate 3 when it is raised or lowered can be greatly guaranteed.

[0030] A placing plate 5, the placing plate 5 is rotatably connected to one end of the top plate 3, and an angle adjustment mechanism is provided between the placing plate 5 and the top plate 3;

[0031] The angle adjustment mechanism includes a sliding cavity 11 opened in the middle of the top of the top plate 3, and a threaded rod 12 is rotatably connected inside the sliding cavity 11. The outer wall of the threaded rod 12 is screwed with a movable block 13 through a thread, and one end of the threaded rod 12 extends to the outer wall of the top plate 3 and is provided with a fixed handle 14. A movable plate 9 is provided on the top of the top plate 3, and connecting arms 10 are rotatably connected between the two ends of the movable plate 9 and the placement plate 5, and the movable plate 9 is fixedly connected to the movable block 13.

[0032] By rotating the fixed handle 14, the fixed handle 14 can drive the threaded rod 12 to rotate, and then the threaded rod 12 drives the movable block 13 to slide in the sliding cavity 11, so that the movable block 13 drives the movable plate 9 to the top end of the top plate 3, and then the movable plate 9 can simultaneously pull the two connecting arms 10 to rotate, so that the connecting arms 10 drive the placement plate 5 to rotate on the top plate 3, so that the angle of the placement plate 5 can be adjusted, and then the inclination angle of the manuscript can be adjusted according to needs, which greatly improves the use effect of the device.

[0033] A magnetic plate 6 is fixed to the side wall of the placement plate 5, and a plurality of magnetic strips 7 are arranged on the magnetic plate 6. When in use, manuscripts can be placed on the magnetic plate 6, and the manuscripts can be pressed tightly by the adsorption of the magnetic strips 7.

[0034] A stop bar 8 is fixed to the bottom of one side of the placement plate 5 close to the magnetic plate 6. The stop bar 8 can support the manuscript to further prevent the manuscript from falling.

[0035] Universal wheels 2 are arranged at the four ends of the bottom of the base 1. The universal wheels 2 facilitate the movement of the device.

[0036] The lifting mechanism includes a support plate 15 fixed to the middle of the top of the base 1, and the top of the support plate 15 is rotatably connected to two connecting rods 16. First connecting handles 17 are symmetrically fixed at both ends of the connecting rods 16, and the first connecting handle 17 is rotatably connected to a second connecting handle 18 relative to one end of the connecting rod 16. The second connecting handle 18 is rotatably connected to the bottom side of the top plate 3 relative to one end of the first connecting handle 17. Gears 19 are fixed to one end of the two connecting rods 16, and the two gears 19 are meshed with each other. A driving assembly is provided at one end of one of the connecting rods 16.

[0037] The driving assembly includes a support frame 21 fixed to the top of the base 1 near the support plate 15, the top of the support frame 21 is rotatably connected to a connecting shaft 22, a worm 24 is provided in the middle of the connecting shaft 22, and one end of the connecting shaft 22 passes through the support frame 21 and is fixed with a handle 23, one end of one of the connecting rods 16 near the gear 19 is connected to a worm wheel 20, and the worm wheel 20 is meshed with the worm 24.

[0038] By rotating the handle 23, the handle 23 drives the connecting shaft 22 to rotate, and then the connecting shaft 22 can drive the worm 24 to rotate, so that the worm 24 drives the worm wheel 20 to rotate, and then the worm wheel 20 can drive the connecting rod 16 to rotate, so that the connecting rod 16 drives the gear 19 to rotate, and under the meshing of the two gears 19, the two connecting rods 16 can rotate inward at the same time, and the connecting rod 16 can drive the first connecting handles 17 at both ends to rotate, so that the first connecting handle 17 drives the second connecting handle 18 to move, and under the limiting guidance of the four groups of telescopic parts 4, the four second connecting handles 18 can simultaneously push the top plate 3 up, and rotating the handle 23 in the opposite direction can make the four second connecting handles 18 pull the top plate 3 down at the same time, so that the placement plate 5 can be quickly and smoothly lifted and lowered, so that the placement height of the manuscript can be accurately adjusted according to needs, which greatly improves the applicability of the device.

[0039] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A lifting type manuscript rack, characterized in that: include: A base (1) and a top plate (3), wherein the top plate (3) is located above the base (1), and telescopic components (4) are provided between the top plate (3) and four ends of the base (1); A placement plate (5), wherein the placement plate (5) is rotatably connected to one end of the top of the top plate (3), and an angle adjustment mechanism is provided between the placement plate (5) and the top plate (3); A lifting mechanism, the lifting mechanism comprising a support plate (15) fixed to the middle of the top of a base (1), the top of the support plate (15) being rotatably connected to two connecting rods (16), first connecting handles (17) being symmetrically fixed at both ends of the connecting rod (16), and the first connecting handle (17) being rotatably connected to a second connecting handle (18) relative to one end of the connecting rod (16), the second connecting handle (18) being rotatably connected to the bottom side of a top plate (3) relative to one end of the first connecting handle (17), one end of each of the two connecting rods (16) being fixed with a gear (19), and the two gears (19) being meshed with each other, and one end of one of the connecting rods (16) being provided with a driving assembly.

2. The lifting type manuscript rack according to claim 1, characterized in that: The driving assembly comprises a support frame (21) fixed to the top of the base (1) near the support plate (15), the top of the support frame (21) is rotatably connected to a connecting shaft (22), a worm (24) is provided in the middle of the connecting shaft (22), one end of the connecting shaft (22) passes through the support frame (21) and is fixed with a handle (23), one end of one of the connecting rods (16) near the gear (19) is connected to a worm wheel (20), and the worm wheel (20) is meshed with the worm wheel (24).

3. The lifting type manuscript rack according to claim 1, characterized in that: A magnetic plate (6) is fixed to the side wall of the placement plate (5), and a plurality of magnetic strips (7) are provided on the magnetic plate (6).

4. The lifting type manuscript rack according to claim 3, characterized in that: A blocking bar (8) is fixed to the bottom end of one side of the placement plate (5) close to the magnetic plate (6).

5. The lifting type manuscript rack according to claim 1, characterized in that: The telescopic component (4) comprises fixed columns (41) fixed to the four ends of the top of the base (1); the four ends of the bottom of the top plate (3) are all fixed with guide columns (42); a guide groove (43) is provided inside the fixed column (41); the bottom end of the guide column (42) is slidably fitted in the guide groove (43).

6. The lifting type manuscript rack according to claim 1, characterized in that: The angle adjustment mechanism comprises a sliding cavity (11) opened in the middle of the top of the top plate (3); a threaded rod (12) is rotatably connected inside the sliding cavity (11); an outer wall of the threaded rod (12) is screwed with a movable block (13) through a thread; one end of the threaded rod (12) extends to the outer wall of the top plate (3) and is provided with a fixed handle (14); a movable plate (9) is provided on the top of the top plate (3); connecting arms (10) are rotatably connected between the two ends of the movable plate (9) and the placement plate (5); and the movable plate (9) is fixedly connected to the movable block (13).

7. The lifting type manuscript rack according to claim 1, characterized in that: Universal wheels (2) are provided at the four ends of the bottom of the base (1).

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