CN215873848U

CN215873848U - Prevent agricultural technician of empting and prepare lessons and use books placer

Info

Publication number: CN215873848U
Application number: CN202122436427.4U
Authority: CN
Inventors: 李赞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-22
Anticipated expiration: 2031-10-09

Abstract

The utility model belongs to the technical field of educational appliances, and particularly relates to an anti-toppling book placing device for agricultural technicians for lessons, which comprises a base, wherein the inner cavity of the base is rotatably connected with a lead screw through a bearing, the other end of the lead screw penetrates through the side wall of the base and is fixedly connected with a limiting plate, the limiting plate is symmetrically provided with two limiting holes, and a supporting rod is slidably connected in the limiting holes; according to the utility model, the support is matched with the placing groove arranged on the base, so that a worker can conveniently place a book in the placing groove by leaning against the support, the book is prevented from toppling over, the rotating plate slides outwards, the supporting rod drives the first magnetic ring to be separated from the second magnetic ring, and then the rotating plate rotates.

Description

Prevent agricultural technician of empting and prepare lessons and use books placer

Technical Field

The utility model relates to the technical field of educational appliances, in particular to an anti-toppling book placing device for agricultural technicians for lessons preparation.

Background

Agricultural technical person is because books can't be fixed when preparing lessons for agricultural technical person need hand-held books when preparing lessons, has seriously influenced the process of preparing lessons, so agricultural technical person puts books on the fixed bolster usually when preparing lessons and prepares lessons.

Reading through books has greatly solved the problem that agricultural technician is not convenient for read, has liberated agricultural technician's both hands, and the agricultural technician of being convenient for prepares lessons.

The existing book fixing device is lack of an anti-toppling angle adjusting structure, so that a book is easy to slip off from a fixing support when an agricultural technician prepares a lesson, and the lesson preparation quality is influenced; therefore, the anti-toppling book placing device for the agricultural technicians for lessons is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problem that the books of an agricultural technician are easy to slide off a fixed support during lessons preparation and the lesson preparation quality is influenced because the prior book fixing device lacks an anti-toppling angle adjusting structure, the utility model provides the anti-toppling book placing device for the agricultural technician during lessons preparation.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the anti-toppling book placing device for the agricultural technicians in the lessons comprises a base, wherein an inner cavity of the base is rotatably connected with a lead screw through a bearing, the other end of the lead screw penetrates through the side wall of the base and is fixedly connected with a limiting plate, the limiting plate is symmetrically provided with two limiting holes, a supporting rod is connected in the limiting holes in a sliding mode, the outer end of the supporting rod is fixedly connected with a rotating device, the inner end of the supporting rod is fixedly connected with a first magnetic ring, the first magnetic ring is attached to a second magnetic ring in a groove in the outer wall of the base, a screw sleeve is connected onto the lead screw in a sliding mode, the top end of the screw sleeve is fixedly connected with a supporting block, the top end of the supporting block is hinged to one end of a hinged rod, the other end of the hinged rod is hinged to a support, and the bottom end of the support is hinged to the base; through the standing groove that is equipped with on the support cooperation base, the staff of being convenient for leans on books on the support and puts into the standing groove, avoids books to empty.

Preferably, the support rod is sleeved with a first spring, one end of the first spring is fixedly connected with the limiting plate, and the other end of the first spring is fixedly connected with the rotating plate; the first magnetic ring and the second magnetic ring can be tightly adsorbed through elastic potential energy of the first spring, and the fixing effect of the support after angle adjustment is further enhanced.

Preferably, the base is provided with a limiting groove, the support block is connected with the limiting groove in a sliding manner, the base is provided with a placing groove, the placing groove is matched with the support, and the support is provided with an illuminating lamp; the illuminating lamp is convenient for illuminating under dark conditions.

Preferably, the base is fixedly connected with a fixed frame, the fixed frame and the hinge rod are arranged on different sides of the support, the fixed frame is rotatably connected with a rotating shaft, the rotating shaft is sleeved with a book pressing piece, and two ends of the rotating shaft are sleeved with torsion springs; the book pressing piece is driven to rotate through the elastic potential energy of the torsion spring, so that the book pressing piece firmly presses the book on the support, and the book pressing piece is convenient for workers to read.

Preferably, the inner cavity of the fixing frame is provided with two clamping blocks, the clamping blocks are attached to the rotating shaft, two ends of each clamping block are fixedly connected with a first connecting piece and a second connecting piece respectively, the first connecting pieces are both in threaded connection with a threaded rod, the threaded rod is in threaded connection with the top end of the fixing frame, the threaded rod is provided with symmetrical reverse double threads, the first connecting pieces are adapted to the double threads, and the second connecting pieces are both in sliding connection with the guide rod; through the rotatory threaded rod for two connecting pieces drive two tight piece relative slip pairs of clamp on the threaded rod and carry out the chucking, again because the clamp force of pressing between tight piece and the pivot is greater than the elasticity of torsional spring, so press the unsettled space of leaving between book and the books of book piece, the staff of being convenient for turns over the page and reads.

Preferably, the threaded rod and the guide rod are sleeved with a second spring, two ends of one second spring are fixedly connected with the first connecting pieces respectively, and two ends of the other second spring are fixedly connected with the first connecting pieces respectively; the fixing effect of the clamping block and the rotating shaft is enhanced through the elastic potential energy of the second spring.

The utility model has the advantages that:

1. according to the utility model, the support is matched with the placing groove arranged on the base, so that a worker can conveniently place a book on the support and place the book in the placing groove, the book is prevented from falling, when the angle of the support needs to be adjusted, the rotating plate is outwards slid to drive the first magnetic ring to be separated from the second magnetic ring, and then the rotating plate is rotated, as the two support rods penetrate through the limiting holes in the limiting plate, the rotating plate drives the support rods to rotate, the limiting plate rotates along with the support rods, the wire sleeves on the screw rods drive the support blocks to slide, the angle of the support is conveniently adjusted through the hinging rods arranged between the support blocks and the support and the hinging and matching between the support and the base, the magnetic attraction between the first magnetic ring and the second magnetic ring and the matching between the support rods and the limiting holes, the rotation of the screw rods is avoided, and the fixing of the support after adjustment is ensured;

2. the book pressing piece is driven to rotate by the elastic potential energy of the torsion spring, so that the book pressing piece firmly presses a book on the support, and the book pressing piece is convenient for a worker to read.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall internal structure of a first embodiment;

FIG. 2 is a schematic view of a portion A of FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure at B in FIG. 1;

FIG. 4 is a schematic side view of a fixing frame according to an embodiment;

FIG. 5 is a schematic partial perspective view according to a first embodiment;

fig. 6 is a schematic overall structure diagram of the second embodiment.

In the figure: 1. a base; 2. a screw rod; 3. a limiting plate; 4. a strut; 5. a first spring; 6. a rotating plate; 7. a first magnetic ring; 8. a second magnetic ring; 9. sleeving the silk; 10. supporting a block; 11. a hinged lever; 12. a support; 13. a fixed mount; 14. a rotating shaft; 15. pressing the book piece; 16. a torsion spring; 17. a clamping block; 18. a threaded rod; 19. a second spring; 20. a guide bar; 21. an illuminating lamp; 22. a pen container.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-5, an anti-toppling book placing device for agricultural technicians in preparation courses comprises a base 1, wherein an inner cavity of the base 1 is rotatably connected with a screw rod 2 through a bearing, the other end of the screw rod 2 penetrates through the side wall of the base 1 and is fixedly connected with a limiting plate 3, the limiting plate 3 is symmetrically provided with two limiting holes, a supporting rod 4 is slidably connected in each limiting hole, the outer end of the supporting rod 4 is fixedly connected with a rotating device, the inner end of the supporting rod 4 is fixedly connected with a first magnetic ring 7, the first magnetic ring 7 is attached to a second magnetic ring 8 in a groove in the outer wall of the base 1, a screw sleeve 9 is slidably connected onto the screw rod 2, the top end of the screw sleeve 9 is fixedly connected with a supporting block 10, the top end of the supporting block 10 is hinged to one end of a hinged rod 11, the other end of the hinged rod 11 is hinged to a support 12, and the bottom end of the support 12 is hinged to the base 1; when the angle adjusting device works, the support 12 is matched with a placing groove arranged on the base 1, so that a worker can conveniently lean a book on the support 12 and place the book in the placing groove, the book is prevented from falling, when the angle of the support 12 needs to be adjusted, the rotating plate 6 slides outwards, the support rod 4 fixedly connected with the rotating plate 6 drives the magnetic ring I7 to be separated from the magnetic ring II 8, then the rotating plate 6 is rotated, because the two support rods 4 penetrate through the limiting holes on the limiting plate 3, the rotating plate 6 drives the support rod 4 to rotate, the limiting plate 3 rotates along with the support rod 4, the thread sleeve 9 on the lead screw 2 drives the support block 10 to slide, then the hinge rod 11 arranged between the support block 10 and the support 12 and the hinge fit between the support 12 and the base 1 are used for conveniently adjusting the angle of the support 12, after the angle is adjusted, the rotating plate 6 slides inwards, so that the support rod 4 drives the magnetic ring I7 to be attached to the magnetic ring II, and the magnetic attraction effect between the support rod I7 and the support 8 and the magnetic ring II 8 and the cooperation between the limiting holes, the rotation of the screw rod 2 is avoided, and the fixation of the bracket 12 is further ensured.

A spring I5 is sleeved on the supporting rod 4, one end of the spring I5 is fixedly connected with the limiting plate 3, and the other end of the spring I5 is fixedly connected with the rotating plate 6; when the angle-adjustable support is in work, the first magnetic ring 7 and the second magnetic ring 8 can be tightly adsorbed through elastic potential energy of the first spring 5 sleeved on the support rod 4, and the fixing effect of the support 12 after the angle is adjusted is further enhanced.

A limiting groove is formed in the base 1, the supporting block 10 is connected with the limiting groove in a sliding mode, a placing groove is formed in the base 1 and is matched with the support 12, and an illuminating lamp 21 is installed on the support 12; during operation, through the sliding fit of a supporting block 10 and a limiting groove, the wire sleeve 9 can only do horizontal motion, books can be placed by workers conveniently through the placing groove matching support 12, and illumination under dark conditions is facilitated through the illuminating lamp 21.

A fixed frame 13 is fixedly connected to the base 1, the fixed frame 13 and the hinge rod 11 are arranged on different sides of the support 12, a rotating shaft 14 is rotatably connected to the fixed frame 13, a book pressing piece 15 is sleeved on the rotating shaft 14, and two ends of the rotating shaft 14 are sleeved with torsion springs 16; when the book pressing device works, when a book needs to be fixed on a certain page to be read, the book pressing piece 15 can be pressed to rotate through the elastic potential of the torsion spring 16, so that the book pressing piece 15 can firmly press the book on the support 12, and a worker can read the book conveniently.

The inner cavity of the fixed frame 13 is provided with two clamping blocks 17, the clamping blocks 17 are attached to the rotating shaft 14, two ends of each clamping block 17 are fixedly connected with a first connecting piece and a second connecting piece respectively, the first connecting pieces are both in threaded connection with a threaded rod 18, the threaded rod 18 is in threaded connection with the top end of the fixed frame 13, the threaded rod 18 is provided with symmetrical reverse double threads, the first connecting pieces are adapted to the double threads, and the second connecting pieces are both in sliding connection with the guide rod 20; when the book pressing device works, when the size of a gap between the book pressing piece 15 and a book needs to be adjusted, the book pressing piece 15 is rotated to enable the book pressing piece to be suspended in an adaptive position, the threaded rod 18 is rotated to enable the two connecting pieces on the threaded rod 18 to drive the two clamping blocks 17 to slide relatively to clamp the rotating shaft 14, and the clamping force between the clamping blocks 17 and the rotating shaft 14 is larger than the elastic force of the torsion spring 16, so that the gap is reserved between the suspended book pressing piece 15 and the book, and a worker can turn pages conveniently to read.

The threaded rod 18 and the guide rod 20 are sleeved with second springs 19, two ends of one second spring 19 are fixedly connected with the first connecting pieces respectively, and two ends of the other second spring 19 are fixedly connected with the first connecting pieces respectively; when the book pressing piece works, the fixing effect of the clamping block 17 and the rotating shaft 14 is enhanced through the elastic potential energy of the second spring 19, and the rotating shaft 14 is further prevented from driving the book pressing piece 15 to rotate.

Example two

Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, a pen container 22 is fixedly connected to one side of the bracket 12; when the multifunctional pen container is in use, when different pens need to be used for lessons, the pen container 22 arranged on the support 12 is convenient for an agricultural technician to place redundant pens into the pen container 22, the situation that the lessons are influenced by the random placement of the redundant pens is avoided, and the damage caused by the accidental dropping of the pens can be effectively prevented by placing the pen container 22.

The working principle is that a support 12 is matched with a placing groove arranged on a base 1, so that a worker can conveniently lean a book on the support 12 and place the book in the placing groove, the book is prevented from falling, when the angle of the support 12 needs to be adjusted, the rotating plate 6 slides outwards, the support rod 4 fixedly connected with the rotating plate 6 drives the magnetic ring I7 to be separated from the magnetic ring II 8, then the rotating plate 6 is rotated, because the two support rods 4 penetrate through limiting holes in the limiting plate 3, the rotating plate 6 drives the support rod 4 to rotate while the limiting plate 3 rotates, the thread sleeve 9 on the lead screw 2 drives the support block 10 to slide, then the angle of the support 12 is conveniently adjusted through the hinge rod 11 arranged between the support block 10 and the support 12 and the hinge fit between the support 12 and the base 1, the rotating plate 6 slides inwards after the angle is adjusted, so that the support rod 4 drives the magnetic ring I7 to be attached to the magnetic ring, and the magnetic ring II 7 is matched with the limiting holes through the magnetic attraction effect between the support rod I7 and the magnetic ring II 8 and the matching between the limiting holes of the support rod 4, the rotation of the screw rod 2 is avoided, the fixing of the support 12 is further ensured, the first magnetic ring 7 and the second magnetic ring 8 can be tightly adsorbed through the elastic potential energy of the first spring 5 sleeved on the support rod 4, the fixing effect of the support 12 after the angle adjustment is further enhanced, the illumination is convenient to be carried out under the dark condition through the illuminating lamp 21, when a book needs to be fixed on a certain page for reading, the book pressing piece 15 can be driven to rotate through the elastic potential energy of the torsion spring 16, so that the book pressing piece 15 firmly presses the book on the support 12, the reading by a worker is convenient, when the size of a gap between the book pressing piece 15 and the book needs to be adjusted, the book pressing piece 15 is rotated to be suspended at an adaptive position, the two connecting pieces on the threaded rod 18 drive the two clamping blocks 17 to slide relatively to clamp the rotating shaft 14 through rotating the threaded rod 18, and because the clamping force between the clamping blocks 17 and the rotating shaft 14 is larger than the elastic force of the torsion spring 16, therefore, a gap is reserved between the suspended book pressing piece 15 and the book, so that the book pressing piece is convenient for workers to turn pages and read, and the fixing effect of the clamping block 17 and the rotating shaft 14 is enhanced through the elastic potential energy of the second spring 19.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides an agricultural technician that prevents empting prepares lessons and uses books placer which characterized in that: comprises a base (1), the inner cavity of the base (1) is rotationally connected with a screw rod (2) through a bearing, the other end of the screw rod (2) penetrates through the side wall of the base (1) and is fixedly connected with the limit plate (3), the limiting plate (3) is symmetrically provided with two limiting holes, the limiting holes are internally and slidably connected with supporting rods (4), the outer end of the supporting rod (4) is fixedly connected with a rotating device, the inner end of the supporting rod (4) is fixedly connected with a magnetic ring I (7), the first magnetic ring (7) is attached to the second magnetic ring (8) in the groove on the outer wall of the base (1), the screw rod (2) is connected with a screw sleeve (9) in a sliding way, the top end of the screw sleeve (9) is fixedly connected with a supporting block (10), the top of a support block (10) is hinged to one end of a hinged rod (11), the other end of the hinged rod (11) is hinged to a support (12), and the bottom end of the support (12) is hinged to the base (1).

2. An anti-toppling book placement device for agricultural technicians for lessons according to claim 1, wherein: the supporting rod (4) is sleeved with a first spring (5), one end of the first spring (5) is fixedly connected with the limiting plate (3), and the other end of the first spring (5) is fixedly connected with the rotating plate (6).

3. An anti-toppling book placement device for agricultural technicians for lessons according to claim 2, wherein: the lamp support is characterized in that a limiting groove is formed in the base (1), the support block (10) is connected with the limiting groove in a sliding mode, a placing groove is formed in the base (1) and is matched with the support (12), and an illuminating lamp (21) is installed on the support (12).

4. An anti-toppling book placement device for agricultural technicians for lessons according to claim 3, wherein: the fixed connection has mount (13) on base (1), mount (13) and hinge bar (11) are in the different sides of support (12), it is connected with pivot (14) to rotate on mount (13), cup joint on pivot (14) has been pressed book spare (15), torsional spring (16) have been cup jointed at the both ends of pivot (14).

5. An anti-toppling book placement device for agricultural technicians for lessons according to claim 4, wherein: the inner chamber of mount (13) is equipped with two and presss from both sides tight piece (17), press from both sides tight piece (17) and laminate mutually with pivot (14), the both ends of pressing from both sides tight piece (17) rigid coupling respectively have connecting piece one and connecting piece two, two connecting piece one all is connected with threaded rod (18) spiro union, threaded rod (18) and the top threaded connection of mount (13), be equipped with the reverse double thread of symmetry on threaded rod (18), two connecting piece one suits with double thread, two connecting piece two all with guide bar (20) sliding connection.

6. An anti-toppling book placement device for agricultural technicians for lessons according to claim 5, wherein: and the threaded rod (18) and the guide rod (20) are sleeved with a second spring (19), one of the two ends of the second spring (19) is fixedly connected with the first connecting pieces respectively, and the other of the two ends of the second spring (19) is fixedly connected with the first connecting pieces respectively.