CN210672594U

CN210672594U - Lifting type single desk convenient for placing books

Info

Publication number: CN210672594U
Application number: CN201822243910.9U
Authority: CN
Inventors: 黄佳欣; 黄和芳; 温启浩
Original assignee: Nanjing Taotesi Software Technology Co Ltd
Current assignee: Nanjing Tillin Technology R & D Co ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-06-05
Anticipated expiration: 2028-12-29

Abstract

The utility model relates to the technical field of teaching equipment, in particular to a lifting type single desk convenient for placing books, which comprises a desk main body, wherein the desk main body comprises a desktop and bottom beams symmetrically arranged below the desktop, two mutually parallel supporting rods are also arranged between the desktop and the bottom beams, a first drawer is arranged on the lower surface of the desktop, a second drawer is also arranged below the first drawer, a lifting device is also arranged between the two supporting rods, and a book placing device is also arranged on the desktop; the utility model discloses an installation books placer has solved the student because of the too much problem of placing of books, and it provides a space of placing books for the student, and in addition, through installing elevating gear, the reciprocating of book case can be realized to its unique structure, and the student can go up and down according to actual conditions book case, and it neither influences the student to accomodating of books, also can not influence the sight that the student looked the blackboard simultaneously.

Description

Lifting type single desk convenient for placing books

Technical Field

The utility model relates to a teaching equipment technical field specifically is a single desk of books is convenient for place to over-and-under type.

Background

The desk is a desk and chair for students to attend class, is a desk and chair, also called student desk, school desk, the desk can be divided according to age, material, function, at present, the desktop of the existing student desk is generally smaller, and the student books are piled up on the desktop more, pile up books too much and not merely can lead to books to topple over and scatter, still can shelter from the student's sight, its structure singleness of the existing student desk of the while, do not have lifting function, in view of this, we propose a lift type single desk convenient to place books.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single desk of over-and-under type is convenient for place books to current student desk desktop that proposes in solving above-mentioned background is generally smaller, and student's books are piled up on the desktop more, pile up books too much and not only can lead to books to empty and scatter, still can shelter from student's sight, its single structure of current student desk simultaneously does not have raising and lowering functions's problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a single desk of over-and-under type is convenient for place books, includes the desk main part, the desk main part include the desktop with the floorbar that desktop below symmetry set up, still be equipped with two bracing pieces that are parallel to each other between desktop and the floorbar, the desktop lower surface is equipped with first drawer, first drawer below still is equipped with the second drawer, first drawer and second drawer are parallel to each other, two still be equipped with elevating gear between the bracing piece, elevating gear and bracing piece fixed connection, still be equipped with books placer on the desktop.

The lifting device comprises a rotating shaft handle, a screw rod nut, a case and a screw rod, wherein the rotating shaft handle is coaxially welded with the screw rod, one side of the screw rod nut is tightly welded with the case, the screw rod nut is in threaded connection with the screw rod, two parallel connecting rods are further arranged inside the case, the bottom ends of the two connecting rods are respectively fixedly connected with the inner bottom surface of the case, the top end of each connecting rod is connected with a gear, the gear is rotatably connected with the connecting rods, first racks are arranged above the two gears and are meshed with the gears, one side of each gear is provided with a second rack, the two second racks are parallel with each other and are meshed with the gears, the side wall of each second rack is provided with a first sliding block, and the second racks are fixedly connected with the first sliding blocks, the inner bottom surface of the case is provided with two parallel fixed blocks, and the fixed blocks are connected with the first sliding block in a sliding manner.

The top of first rack is equipped with the slide bar, be equipped with two second sliders that are parallel to each other on the slide bar, the slide bar runs through two the second slider and rather than sliding connection, two the second slider with first rack fixed connection is close to screw-nut one end the second slider with the lead screw rotates to be connected, two the ejector pin is installed respectively to the top of second rack, elevating gear with books placer is through two ejector pin fixed connection.

Preferably, the book placing device comprises two sliding shafts and a book cabinet, the two sliding shafts are parallel to each other, two cabinet doors which are symmetrical to each other are arranged on the book cabinet, a first partition and a second partition are arranged in the book cabinet and are parallel to each other, two sliding sleeves are sleeved on the sliding shafts, the sliding shafts penetrate through the desktop and are in sliding connection with the sliding sleeves, the sliding sleeves are fixedly connected with the supporting rods, and the sliding shafts penetrate through the desktop and are in sliding connection with the desktop.

Preferably, the cabinet doors are provided with hinges, the two cabinet doors are movably connected with the bookcase through the hinges respectively, and at least two hinges are arranged on each cabinet door.

Preferably, the rotating shaft handle comprises a grip and a rotating shaft, the grip is hinged to the rotating shaft, and the grip is made of rubber.

Preferably, the first rack and the second rack are not on the same vertical plane.

Compared with the prior art, the beneficial effects of the utility model are that: the desk solves the problem that students cannot place due to excessive books by installing the book placing device, provides a space for placing the books for the students, provides a storage space for the books on one hand, and is convenient for the students to learn on the other hand; in addition, this desk is through installing elevating gear, and the reciprocating of book case can be realized to its unique structure, and the student can go up and down the book case according to actual conditions, and it neither influences the student to accomodating of books, also can not influence the sight that the student saw the blackboard simultaneously.

Drawings

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

FIG. 2 is a schematic view of the lifting device of the present invention;

fig. 3 is a schematic view of the book placing device of the present invention.

In the figure: 1. a desktop; 2. a first drawer; 3. a second drawer; 4. a bottom beam; 5. a support bar; 6. a lifting device; 61. a spindle handle; 611. a grip; 612. a rotating shaft; 62. a feed screw nut; 63. a chassis; 631. a connecting rod; 632. a gear; 633. a fixed block; 634. a first slider; 635. a second rack; 636. a first rack; 637. a slide bar; 638. a second slider; 639. a top rod; 64. a screw rod; 7. a book placement device; 71. a slide shaft; 711. a sliding sleeve; 72. a bookcase; 721. a cabinet door; 7211. a hinge; 722. a first partition; 7221. a second partition; .

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

as shown in fig. 1, 2 and 3, the lifting type single desk convenient for placing books comprises a desk body, the desk body comprises a desktop 1 and bottom beams 4 symmetrically arranged below the desktop 1, two supporting rods 5 parallel to each other are further arranged between the desktop 1 and the bottom beams 4, a first drawer 2 is arranged on the lower surface of the desktop 1, a second drawer 3 is further arranged below the first drawer 2, the first drawer 2 and the second drawer 3 are parallel to each other, a lifting device 6 is further arranged between the two supporting rods 5, the lifting device 6 is fixedly connected with the supporting rods 5, and a book placing device 7 is further arranged on the desktop 1.

In this embodiment, the book placing device 7 includes two sliding shafts 71 and a book cabinet 72, the two sliding shafts 71 are parallel to each other, two cabinet doors 721 symmetrical to each other are disposed on the book cabinet 72, a first partition 722 and a second partition 7221 are disposed in the book cabinet 72, the first partition 722 and the second partition 7221 are parallel to each other, two sliding sleeves 711 are sleeved on the sliding shafts 71, the sliding shafts 71 penetrate through the desktop 1 and are slidably connected with the sliding sleeves 711, the sliding sleeves 711 are fixedly connected with the supporting rods 5, and the sliding shafts 71 penetrate through the desktop 1 and are slidably connected with the desktop 1. The device can provide a space of placing books for the student, conveniently in student's study, can also train the good custom that the student settled in order and accomodate.

In this embodiment, the doors 721 are provided with hinges 7211, the two doors 721 are movably connected to the bookcase 72 through the hinges 7211, and at least two hinges 7211 are provided on each door 721. The structure can realize free opening and closing of the bookcase, prevent books from falling on dust and the like, and the hinges 7211 above the other two hinges 7211 can disperse more pressure and improve the durability of the bookcase.

As shown in fig. 2, the lifting device 6 includes a rotation shaft handle 61, a lead screw nut 62, a case 63 and a lead screw 64, the rotation shaft handle 61 is coaxially welded with the lead screw 64, one side of the lead screw nut 62 is tightly welded with the case 63, the lead screw nut 62 is in threaded connection with the lead screw 64, two parallel connecting rods 631 are further disposed inside the case 63, bottom ends of the two connecting rods 631 are respectively fixedly connected with an inner bottom surface of the case 63, a gear 632 is connected to a top end of the connecting rod 631, the gear 632 is rotatably connected with the connecting rod 631, a first rack 636 is disposed above the two gears 632, the first rack 636 is engaged with the gear 632, a second rack 635 is disposed on one side of each gear 632, the two second racks 635 are parallel to each other, the second rack 635 is engaged with the gear 632, a first slider 634 is disposed on a side wall of each second rack 635, the second rack 635 is fixedly connected with the first slider 634, two parallel fixing blocks 633 are disposed on the inner bottom surface, the fixed block 633 is slidably coupled to the first slider 634.

In this embodiment, the handle 61 includes a grip 611 and a shaft 612, the grip 611 is hinged to the shaft 612, and the grip 611 is made of rubber. This structure on the one hand can be folded by pivot handle 61 when conveniently not using, and the handle of on the other hand rubber material can increase the frictional force of hand to the handle when rotating, has good physical and mechanical properties.

As shown in fig. 2 and 3, a sliding rod 637 is arranged above the first rack 636, two second sliding blocks 638 parallel to each other are arranged on the sliding rod 637, the sliding rod 637 penetrates through the two second sliding blocks 638 and is slidably connected with the two second sliding blocks 638, the two second sliding blocks 638 are fixedly connected with the first rack 636, the second sliding block 638 close to one end of the screw nut 62 is rotatably connected with the screw rod 64, top ends of the two second racks 635 are respectively provided with a top bar 639, and the lifting device 6 and the book placing device 7 are fixedly connected through the two top bars 639.

In this embodiment, the first rack 636 and the second rack 635 are not on the same vertical plane. The structure can drive the first rack 636 and the second rack 635 which are positioned in different directions to move synchronously through a gear 632.

When the lifting type single desk convenient for placing books is used, when a student uses the desk, the door 721 is opened firstly, the books and the like are placed in the bookcase 72 as required, then the door 721 is closed, at the moment, the student holds the rotating shaft handle 61 and shakes the rotating shaft handle 61, the screw rods 64 mounted on the rotating shaft handle 61 synchronously start to rotate and move forwards and horizontally, the screw rods 64 push the second sliding blocks 638 connected to the screw rods to slide forwards, the second sliding blocks 638 simultaneously push the first racks 636 connected to the first sliding blocks to move forwards and horizontally, the two gears 632 meshed with the first racks 636 start to rotate synchronously, the gears 632 rotate to push the second racks 635 meshed with the gears to move in the vertical direction, the push rods 639 welded on the second racks 635 move in the vertical direction under the action force of the second racks, and the push rods 639 are welded with the bookcase 72, so as to push the bookcase 72 to move in the vertical direction, the height of the bookcase 72 is adjusted according to actual needs.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a single desk of over-and-under type books of being convenient for place, includes the desk main part, the desk main part include desktop (1) with floorbar (4) that desktop (1) below symmetry set up, still be equipped with two bracing pieces (5) that are parallel to each other between desktop (1) and floorbar (4), its characterized in that: a first drawer (2) is arranged on the lower surface of the desktop (1), a second drawer (3) is further arranged below the first drawer (2), the first drawer (2) and the second drawer (3) are parallel to each other, a lifting device (6) is further arranged between the two support rods (5), the lifting device (6) is fixedly connected with the support rods (5), and a book placing device (7) is further arranged on the desktop (1);

elevating gear (6) includes pivot handle (61), screw-nut (62), quick-witted case (63) and lead screw (64), pivot handle (61) with lead screw (64) coaxial weld, one side and quick-witted case (63) of screw-nut (62) closely weld, screw-nut (62) with lead screw (64) threaded connection, machine case (63) inside still is equipped with two connecting rods (631) that are parallel to each other, two the bottom of connecting rod (631) respectively with the interior bottom surface fixed connection of quick-witted case (63), the top of connecting rod (631) is connected with gear (632), just gear (632) with connecting rod (632) rotate to be connected, two the top of gear (632) is equipped with first rack (631), first rack (636) with gear (632) intermeshing, every one side of gear (632) all is equipped with second rack (635), the two second racks (635) are parallel to each other, the second racks (635) are meshed with the gear (632), a first sliding block (634) is arranged on the side wall of each second rack (635), the second racks (635) are fixedly connected with the first sliding block (634), two fixing blocks (633) which are parallel to each other are arranged on the inner bottom surface of the case (63), and the fixing blocks (633) are connected with the first sliding block (634) in a sliding manner;

a sliding rod (637) is arranged above the first rack (636), two second sliding blocks (638) which are parallel to each other are arranged on the sliding rod (637), the sliding rod (637) penetrates through the two second sliding blocks (638) and is in sliding connection with the second sliding blocks, the two second sliding blocks (638) are fixedly connected with the first rack (636), the second sliding blocks (638) close to one end of a screw rod nut (62) are rotatably connected with the screw rod (64), top rods (639) are respectively installed at the top ends of the two second racks (635), and the lifting device (6) and the book placing device (7) are fixedly connected through the two top rods (639).

2. The lift-type single desk convenient for placing books of claim 1, wherein: book placer (7) include two sliding shafts (71) and book case (72), two sliding shafts (71) are parallel to each other, be equipped with two cabinet door (721) of mutual symmetry on book case (72), be equipped with first wall (722) and second wall (7221) in book case (72), first wall (722) and second wall (7221) are parallel to each other, the cover is equipped with two sliding sleeves (711) on sliding shaft (71), sliding shaft (71) run through desktop (1) and with sliding sleeve (711) sliding connection, sliding sleeve (711) with bracing piece (5) fixed connection, sliding shaft (71) run through desktop (1) and with desktop (1) sliding connection.

3. The lift type single desk convenient for placing books according to claim 2, characterized in that: the cabinet door (721) is provided with hinges (7211), the two cabinet doors (721) are movably connected with the bookcase (72) through the hinges (7211), and at least two hinges (7211) are arranged on each cabinet door (721).

4. The lift-type single desk convenient for placing books of claim 1, wherein: the rotating shaft handle (61) comprises a grip (611) and a rotating shaft (612), the grip (611) is hinged to the rotating shaft (612), and the grip (611) is made of rubber.

5. The lift-type single desk convenient for placing books of claim 1, wherein: the first rack (636) and the second rack (635) are not on the same vertical plane.