A new type of three-in-one student desk

Abstract

The present invention relates to a new type of three-in-one student desk, which includes a desk body, a desktop arranged above the desk body, and table legs arranged below the desk body. The desk body is composed of two parts. The front half part is a drawer, and a fixed desktop is arranged above the drawer. The rear half part is a hollow bookshelf slot, and a movable desktop is arranged above the bookshelf slot. The fixed desktop and the movable desktop are movably hinged by a hidden hinge. A guide rail and a slider are arranged inside the bookshelf slot, and the slider is fixedly connected to the outside of the lifting bookshelf. A load-bearing rod is arranged at the bottom of the bookshelf slot. The upper end of the lifting mechanism is connected to the lifting bookshelf, and the lower end is fixed on the load-bearing rod. Through the lifting mechanism, the bookshelf can be lifted in the bookshelf slot and placed inside the bookshelf slot, saving space. The designs of the anti-theft lock, the pull-out stationery box, and the hook are more in line with the requirements of students for the storage of school supplies and are convenient for moving and changing seats. This three-in-one desk realizes the unity of a desk, a bookshelf, and a bookcase, completely solving the embarrassing situation of having books but nowhere to put them on a desk or having a desk but no books to put on it.

Description

Technical Field

[0001] The present invention relates to a teaching device, and more particularly to a new type of three-in-one student desk.

[0002] Student desks are essential learning tools for students. Existing desks cannot meet the needs of current large-format textbooks, and they simply cannot hold books. Moreover, when getting a book, one has to bend down to look for it, and it is not easy to find the required textbook. Therefore, books can only be placed on the desktop or on the ground. Most desks only have a desk surface and no bookshelf for storing books, with a single function. On November 1, 2011, the applicant applied for a patent with the patent number 201120425977X and the name "Bookshelf Lifting Desk". This desk can place the books usually used on the lifting shelf. When a book needs to be taken, the lifting shelf is raised. After taking the book, the top plate of the lifting shelf is lowered to the same plane as the desktop, which can increase the writing area of the desktop and does not obstruct the view of the blackboard during class. However, during use, there are problems such as the lifting of the bookshelf being unstable and not smooth, and it is very laborious to manually or foot-operate the lifting. To protect the eyesight of students, generally schools rotate positions every week. During the process of changing positions, if the desks are moved, it is very heavy because there are many books, especially when used by girls, it is even more laborious. Therefore, the applicant has redesigned a new technical solution to solve these existing problems. Summary of the Invention

[0003] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a new type of three-in-one student desk with a simple structure, convenient operation, no need for power, space-saving, easy to move, and integrating a bookshelf, a bookcase, and a desk.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a new type of three-in-one student desk,

[0005] It includes a table body, a tabletop set above the table body, and table legs set below the table body. The table body consists of two parts. The front half part is a drawer, and a pull-out stationery box is provided inside the drawer. A fixed tabletop is provided above the drawer. The rear half part is a hollow bookshelf slot, and a movable tabletop is provided above the bookshelf slot. The fixed tabletop and the movable table are movably hinged by a hidden hinge. A theft-proof lock is provided between the movable tabletop and the table body. Guide rails and sliders are provided inside the bookshelf slot, and the sliders are fixedly connected to the outside of the lifting bookshelf. A load-bearing rod is provided at the bottom of the bookshelf slot. A partition is provided in the middle of the lifting bookshelf 9, a groove is provided above the partition, and a fixing plate is provided in the groove. The upper end of the lifting mechanism is connected to the fixing plate, and the lower end is fixed on the load-bearing rod. The bookshelf can be lifted and lowered in the bookshelf slot and is built into the bookshelf slot through the lifting mechanism. A locking device is provided at the front end of the groove, and retractable movable wheels are provided at the bottom of the table legs. The lifting mechanism includes a lifting rod switch hinged in the groove of the partition. A controllable lifting rod, a pull rod, and a spring are provided below the lifting rod switch. The upper part of the controllable lifting rod is threadedly connected to the fixing plate in the groove, and the lower part is arranged on the load-bearing rod. The pull rod consists of an adjustable pull rod, an upper pull rod, and a lower pull rod. The upper part of the adjustable pull rod is threadedly connected to the fixing plate in the groove, and the lower part is hinged to the upper pull rod. The upper pull rod is hinged to the lower pull rod, and the lower pull rod is hinged to a lever plate. One end of a telescopic spring is connected to the hinged point of the upper pull rod and the lower pull rod, and the other end of the telescopic spring is connected to the table body.

[0006] Further, one end of the lever plate is hinged below the table body, the middle section is hinged to the lower pull rod, and the front end of the lever plate is hinged to the pedal through a hinge, enabling the retraction and folding of the pedal.

[0007] Further, the lifting bookshelf includes a left side plate, a right side plate, a rear plate, and a bottom plate to form an open bookshelf above and in front.

[0008] Further, the lifting bookshelf is adapted to the size of the bookshelf slot, and the lifting bookshelf can be lifted and lowered in the bookshelf slot.

[0009] Further, the locking device includes an automatic bolt provided at the front end of the groove, and a pin hole is provided at the corresponding position on the back of the drawer. When the lifting bookshelf descends to the lowest point, it plays a locking role.

[0010] Further, hooks and a folding cup holder are provided on the outside of the drawer.

[0011] Further, the retractable movable wheels are brake-equipped universal wheels.

[0012] The present invention has the following beneficial effects: simple structure, convenient operation, no need for power, a lifting bookshelf. When lifted, it can be used as a bookshelf. When it sinks into the bookshelf slot, cover the movable desktop and lock it to form a bookcase. The movable desktop is covered and combined with the fixed desktop to form an integral desktop, which can be used as a desk. The foot-operated lifting mechanism is easy and labor-saving, and it is light and effortless to use. The combination of the guide rail and the slider plays a guiding role. The controllable lifting rod makes the bookshelf lift smoothly and smoothly. The bookshelf can be lifted and lowered at will. The pedal can be retracted and folded, providing a larger space for the feet to move under the table body. The open bookshelf is convenient to take and easy to find, greatly protecting the space vision visually. The design of the telescopic movable wheels makes the table easy to move and convenient for repositioning. The three-in-one desk realizes the integration of the desk, bookshelf, and bookcase, saving space. The design of the anti-theft lock, pull-out stationery box, folding cup holder, and hook better meets the requirements of students for the storage of school supplies, completely solving the embarrassing situation of having books but no place to put them on the table and having a table but no books to put on it. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 : Schematic structural diagram of the present invention;

[0014] Figure 2 : Side view cross-sectional view when the lifting bookshelf of the present invention is lifted;

[0015] Figure 3 : Schematic structural diagram when the lifting bookshelf of the present invention is lowered

[0016] Figure 4 : Side view cross-sectional view when the lifting bookshelf of the present invention is lowered;

[0017] Figure 5 : Schematic structural diagram of the pull rod of the present invention.

[0018] In the figure: 1 - table body, 2 - table leg, 3 - drawer, 4 - fixed desktop, 5 - bookshelf slot, 6 - movable desktop, 7 - guide rail, 8 - slider, 9 - lifting bookshelf, 10 - load-bearing rod, 11 - partition, 12 - lifting mechanism, 13 - lifting rod switch, 14 - controllable lifting rod, 15 - pull rod, 151 - adjustable pull rod, 152 - upper pull rod, 153 - lower pull rod, 16 - lever plate, 17 - pedal, 18 - anti-theft lock, 19 - pull-out stationery box, 20 - hook, 21 - spring, 22 - tension spring, 23 - fixing plate, 24 - folding cup holder, 25 - automatic bolt, 26 - pin hole, 27 - telescopic movable wheel. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0019] The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0020] See Figures 1 - 4, a new type of three-in-one student desk, including a desk body 1, a desktop arranged above the desk body 1, and table legs 2 arranged below the desk body. The desk body 1 consists of two parts. The front half part is a drawer 3, and a pull-out stationery box 19 is arranged inside the drawer. A fixed desktop is arranged above the drawer. The rear half part is a hollow bookshelf slot 5, and a movable desktop 6 is arranged above the bookshelf slot 5. The fixed desktop 4 and the movable desktop are movably hinged by a hidden hinge. A theft-proof lock 1 is arranged between the movable desktop and the desk body 1. Guide rails and sliders are arranged inside the bookshelf slot. The slider 8 is fixedly connected to the outer side of the lifting bookshelf 9. A load-bearing rod 10 is arranged at the bottom of the bookshelf slot 5. A partition 11 is arranged in the middle of the lifting bookshelf 9. A groove is arranged above the partition 11, and a fixing plate 23 is arranged inside the groove. The upper end of the lifting mechanism 12 is connected to the fixing plate 23, and the lower end is fixed on the load-bearing rod 10. The bookshelf can be lifted and lowered in the bookshelf slot and placed inside the bookshelf slot through the lifting mechanism 12. A locking device is arranged at the front end of the groove. Retractable moving wheels 27 are arranged at the bottom of the table legs 2. The lifting mechanism 12 includes a lifting rod switch 13 hinged in the groove of the partition 11. A controllable lifting rod 14, a pull rod 15, and a spring 21 are arranged below the lifting rod switch 13. The upper part of the controllable lifting rod 14 is threadedly connected to the fixing plate 23 in the groove, and the lower part is arranged on the load-bearing rod 10. See Figure 5 The pull rod 15 consists of an adjustable pull rod 151, an upper pull rod 152, and a lower pull rod 153. The upper part of the adjustable pull rod 151 is threadedly connected to the fixing plate 23 in the groove, and the lower part is hinged to the upper pull rod 152. The upper pull rod 152 is hinged to the lower pull rod 153. The lower pull rod 153 is hinged to a lever plate 16. One end of a telescopic spring 22 is connected to the hinged point of the upper pull rod 152 and the lower pull rod 153, and the other end of the telescopic spring 22 is connected to the desk body 1.

[0021] One end of the lever plate 16 is hinged below the desk body 1, the middle section is hinged to the lower pull rod 153, and the front end of the lever plate 16 is hinged to the pedal 17 through a hinge, so that the pedal 17 can be retracted and folded.

[0022] The lifting bookshelf 9 includes a left side plate, a right side plate, a rear plate, and a bottom plate to form an open bookshelf above and in front.

[0023] The lifting bookshelf 9 is adapted to the size of the bookshelf slot 5, and the lifting bookshelf 9 can be lifted and lowered in the bookshelf slot 5.

[0024] The locking device includes an automatic bolt 25 arranged at the front end of the groove. A pin hole 26 is arranged at the corresponding position of the back of the drawer for the automatic bolt. When the lifting bookshelf descends to the lowest point, it plays a locking role.

[0025] Hooks 20 and a folding cup holder 24 are arranged on the outer side of the drawer 3.

[0026] The retractable moving wheel 27 is a universal wheel with a brake.

[0027] When in use, first open the anti-theft lock, flip the movable desktop 6 by 180 degrees, press the lifting rod switch 13, and the controllable lifting rod 14 drives the bookshelf to rise. After taking the books, step on the pedal 17 to drive the lever board 16 and the pull rod 15, so that the bookshelf descends, and then flip the movable desktop 6 by 180 degrees to reset it to become a desk. After the foot leaves the pedal 17, the lever board 16 will fold up to ensure the clear space under the table body. When the student wants to leave the classroom, it can be locked to become a bookcase.

[0028] This new type of three-in-one student desk realizes the unification of a desk, a bookshelf, and a bookcase, saving space. The designs of the anti-theft lock, pen holder, and hook better meet the requirements of students for the storage of school supplies, and completely solve the embarrassing situation of having books but nowhere to put them on a desk, or having a desk but no books to put on it.

[0029] The above is only the preferred implementation manner of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions within the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those of ordinary skill in the art in this technical field, several improvements and refinements made without departing from the principle of the present invention should also be regarded as within the protection scope of the present invention.

Claims

1. A new type of three-in-one student desk, comprising a desk body (1), characterized in that: A desktop set above the table body (1) and table feet (2) set below the table body. The table body (1) is composed of two parts. The front half part is a drawer (3). Inside the drawer (3), there is a pull-out stationery box (19). Above the drawer (3), there is a fixed desktop (4). The rear half part is a hollow bookshelf slot (5). Above the bookshelf slot (5), there is a movable desktop (6). The fixed desktop (4) and the movable desktop (6) are movably hinged by a hidden hinge. A theft-proof lock (18) is provided between the movable desktop (6) and the table body (1). Inside the bookshelf slot (5), there are guide rails (7) and sliders (8). The slider (8) is fixedly connected to the outer side of the lifting bookshelf (9). At the bottom of the bookshelf slot (5), there is a load-bearing rod (10). In the middle of the lifting bookshelf (9), there is a partition (11). Above the partition (11), there is a groove. Inside the groove, there is a fixed plate (23). The upper end of the lifting mechanism (12) is connected to the fixed plate (23), and the lower end is fixed on the load-bearing rod (10). Through the lifting mechanism (12), the bookshelf can be lifted and lowered in the bookshelf slot (5) and placed inside the bookshelf slot (5). At the front end of the groove, there is a locking device. At the bottom of the table feet (2), there are retractable movable wheels (27). The lifting mechanism (12) includes a lifting rod switch (13) hinged inside the groove of the partition (11). Below the lifting rod switch (13), there are a controllable lifting rod (14), a pull rod (15), and a spring (21). The upper part of the controllable lifting rod (14) is threadedly connected to the fixed plate (23) inside the groove, and the lower part is arranged on the load-bearing rod (10). The pull rod (15) is composed of an adjustable pull rod (151), an upper pull rod (152), and a lower pull rod (153). The upper part of the adjustable pull rod (151) is threadedly connected to the fixed plate (23) inside the groove, and the lower part is hinged to the upper pull rod (152). The upper pull rod (152) is hinged to the lower pull rod (153). The lower pull rod (153) is hinged to the lever plate (16). One end of the telescopic spring (22) is connected to the hinged point of the upper pull rod (152) and the lower pull rod (153), and the other end of the telescopic spring (22) is connected to the table body 1.

2. The novel three-in-one student desk according to claim 1, characterized in that One end of the lever plate (16) is hinged below the table body (1), the middle section is hinged to the lower pull rod (153), and the front end of the lever plate (16) is hinged to the pedal (17) through a hinge, enabling the retraction and folding of the pedal (17).

3. The novel three-in-one student desk according to claim 1, characterized in that The lifting bookshelf (9) includes a left side plate, a right side plate, a rear plate, and a bottom plate, forming an open bookshelf above and in the front.

4. The novel three-in-one student desk according to claim 1, characterized in that The lifting bookshelf (9) is of a size adapted to the bookshelf slot (5), and the lifting bookshelf (9) can be lifted and lowered in the bookshelf slot (5).

5. The novel three-in-one student desk according to claim 1, characterized in that The locking device includes an automatic bolt (25) provided at the front end of the groove. At the corresponding position of the back of the drawer, there is a bolt hole (26). When the lifting bookshelf descends to the lowest point, it plays a locking role.

6. The novel three-in-one student desk according to claim 1, characterized in that On the outer side of the drawer (3), there are hooks (20) and a folding cup holder (24).

7. The novel three-in-one student desk according to claim 1, characterized in that The retractable movable wheel (27) is a brake universal wheel.

Images