CN213849396U

CN213849396U - Multifunctional desk for teaching

Info

Publication number: CN213849396U
Application number: CN202022355986.8U
Authority: CN
Inventors: 刘斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-08-03
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a multifunctional desk for teaching, which comprises a desktop plate, wherein the front end of the desktop plate is rotationally connected with a book reading plate, the left and right ends of the desktop plate are fixedly connected with desk legs, the bottom of the desktop plate is fixedly connected with a desk chamber, the upper ends of the middle parts of the inner sides and the lower ends of the middle parts of the desk legs are fixedly connected with a cross support frame, the middle of the desk legs is rotationally connected with a rotating handle, the upper end of the rotating handle is fixedly connected with a rotating rod, the other end of the rotating rod passes through a rack and is fixedly connected with a gear I, the middle of the top of the inner wall of the rack is fixedly provided with a bearing, the lower surface of the bearing is rotationally connected with a threaded rod, the middle of the threaded rod is fixedly provided with a gear, the upper thread of the threaded rod is sleeved with a threaded rod seat, the bottom of the desk leg is fixedly connected with a desk foot plate, the device can provide convenience for a user to read, and increased raising and lowering functions, can provide convenient to the student that risees the difference, improved the practicality of device.

Description

Multifunctional desk for teaching

Technical Field

The utility model belongs to the technical field of the desk, specifically be a multi-functional desk is used in teaching.

Background

In daily life, a desk is essential for learning, especially primary and secondary school students need to pre-study and review lessons every day and finish certain post-class work, the desks in the existing market have various specifications and styles, and the desks are used by the students, starting from eight desks in the earliest class, the desks used for schools and the desks used for learning in the class are unified into the desk.

The desk is not liftable, and like this, when our student was doing the homework, because the difference of height, and the posture of writing is different to keep flat the books always and look, long-term, probably lead to uncomfortable, so the utility model discloses reform transform current desk, make its convenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, a multifunctional desk for teaching is provided.

The utility model adopts the technical scheme as follows: the desk comprises a desktop plate, wherein the front end of the desktop plate is rotatably connected with a book reading plate, the left and right ends of the desktop plate are fixedly connected with desk legs, the bottom of the desktop plate is fixedly connected with a desk chamber, the upper ends of the middle parts of the inner sides and the lower ends of the middle parts of the desk legs are fixedly connected with a transverse support frame, the middle of the desk legs is rotatably connected with a rotating handle, the upper end of the rotating handle is fixedly connected with a rotating rod, the rotating rod is rotatably connected with a rack, the left end of the rotating rod passes through the rack and is fixedly connected with a first gear, the middle of the top of the inner wall of the rack is fixedly provided with a bearing, the lower surface of the bearing is rotatably connected with a threaded rod, the middle of the threaded rod is fixedly provided with a second gear, the two ends of the bottom of the inner wall of the rack are fixedly connected with limit rods, the threaded rod seat is sleeved on the threaded rod, and the two sides of the threaded rod seat are slidably connected with the limit rods, the lower end of the threaded rod seat penetrates through the rack to be provided with a lifting rod, the lower end of the lifting rod is fixedly connected with the table legs, and the bottoms of the table legs are fixedly connected with the table foot plates.

In a preferred embodiment, a clamping groove is formed in the back of the book reading plate, a supporting plate is rotatably connected to the right end of the top of the desk chamber, and the book reading plate is movably connected with the upper end of the supporting plate through the clamping groove.

In a preferred embodiment, a transmission rod is fixedly mounted at the left end of the second gear, a cavity is formed in the transverse support frame, and a third gear is fixedly mounted at the left end of the transmission rod through the cavity.

In a preferred embodiment, the gear three is rotatably connected with a gear four, the gear four is fixedly installed in the middle of a threaded rod two, and the thread of the threaded rod two is opposite to the thread of the threaded rod.

In a preferred embodiment, four corners of two ends of the table foot plate are fixedly provided with four table foot pads, and the number of the table foot pads is four and the four table foot pads are made of rubber.

In a preferred embodiment, the two ends of the inner wall of the rack are fixedly provided with connecting rods, and the connecting rods are fixedly connected with limiting rods.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, rotate the handle through rotating, through elevating system, alright drive desk vertical adjustment to satisfy the student of different heights and use.

2. The utility model discloses in, with the rotatory suitable user's of reading board angle, then rotate the other end of backup pad in the recess at the reading board back, make the reading board keep this angle, the posture that beneficial user just can read like this.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a sectional view of the table leg of the present invention;

fig. 3 is a back view of the present invention.

The labels in the figure are: 1-book viewing plate, 2-table top plate, 3-desk chamber, 4-table legs, 5-desk leg plate, 6-desk leg pad, 7-transverse support frame, 8-rotating handle, 9-support plate, 10-limiting rod, 11-threaded rod seat, 12-lifting rod, 13-frame, 14-gear I, 15-transmission rod, 16-bearing, 17-threaded rod, 18-rotating rod, 19-gear II, 20-gear III, 21-gear IV and 22-threaded rod II.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a technical scheme: a multifunctional desk for teaching: comprises a desktop plate 2, the front end of the desktop plate 2 is rotatably connected with a book reading plate 1, the back of the book reading plate 1 is provided with a clamping groove, the right end of the top of a desk chamber 3 is rotatably connected with a supporting plate 9, the book reading plate 1 is movably connected with the upper end of the supporting plate through the clamping groove, the supporting plate 9 supports the book reading plate 1 to ensure that the book reading plate 1 keeps a certain angle, the left end and the right end of the desktop plate 2 are fixedly connected with desk legs 4, the bottom of the desktop plate 2 is fixedly connected with the desk chamber 3 for students to store books, the upper end and the lower end of the middle part of the inner side of the desk legs 4 are fixedly connected with a transverse supporting frame 7, the middle of the desk legs 4 is rotatably connected with a rotating handle 8, the upper end of the rotating handle 8 is fixedly connected with a rotating rod 18, the rotating rod 18 is rotatably connected with a frame 13, and the left end of the rotating rod 18 passes through the frame 13 and is fixedly connected with a gear 14, the middle of the top of the inner wall of the frame 13 is fixedly provided with a bearing 16, a threaded rod 17 is rotatably connected below the bearing 16, a gear is fixedly arranged in the middle of the threaded rod 17, the left side of the gear is provided with a gear II 19, the left end of the gear II 19 is fixedly provided with a transmission rod 15, a cavity is arranged inside the cross support frame 7, the left end of the transmission rod 15 is provided with a gear III 20 through the cavity, the gear I14 is mutually meshed with the gear II 19, the gear III 20 is mutually meshed with the gear IV 21, the gear IV (21) is fixedly arranged in the middle of the threaded rod II (22), the thread of the threaded rod II (22) is opposite to the thread of the threaded rod (17), two ends of the bottom of the inner wall of the frame 13 are fixedly connected with limit rods 10, the thread of the threaded rod 17 is sleeved with a thread rod seat 11, and two sides of the thread rod seat 11 are connected with the limit rods 10, make 11 only reciprocates of screw rod seat, can not rotate 17 along with the threaded rod, the inner wall both ends fixed mounting of frame 13 has the connecting rod, and connecting rod fixedly connected with gag lever post 10, the lower extreme fixedly connected with lifter 12 of screw rod seat 11, the lower extreme fixedly connected with of lifter 12 table leg 4, the bottom fixedly connected with table foot board 5 of table leg 4, four edges fixed mounting in both ends of table foot board 5 has table foot pad 6, the quantity of table foot pad 6 is four and makes with rubber, makes table foot board 6 and ground increase frictional force.

The working principle is as follows: when the student writes the homework, when picking the word feeling and keeping flat when books are inconvenient, alright in order to say that book board 1 rotates to the angle that is fit for oneself, then put backup pad 9 in the recess of seeing book board 1 back, when feeling the desk has a height high or low, alright in order to rotate dwang 18 through rotating rotation handle 8 and making, dwang 18 drives gear one and rotates, gear drive gear two 19, gear two 19 makes gear three 20 rotate through transfer line 15, gear three 20 drives gear four 21, drive threaded rod 17 and rotate then, cooperation through gag lever post 10 and threaded rod seat 11, alright drive lifter 12 reciprocates, alright drive the vertical regulation of chair, in order to satisfy the student of different heights and use.

In the structure of the multifunctional desk for teaching, the first gear 14 is meshed with the second gear, the second gear 19 is meshed with the first gear, the third gear 20 is meshed with the fourth gear 21, and the third gear 20 is connected with the second gear through the transmission rod 15.

In the multifunctional desk structure for teaching, the book reading plate 1 is kept at a certain angle by rotating the book reading plate 1 and the supporting plate 9, so that books placed on the book reading plate have a certain inclination, and the sitting posture of a student for picking up characters is better.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a multi-functional desk is used in teaching, includes desktop board (2), its characterized in that: the book reading table is characterized in that the front end of the desktop plate (2) is rotatably connected with a book reading plate (1), the left end and the right end of the desktop plate (2) are fixedly connected with desk legs (4), the bottom of the desktop plate (2) is fixedly connected with a desk chamber (3), the upper ends of the middle parts and the lower ends of the middle parts of the inner sides of the desk legs (4) are fixedly connected with a cross support frame (7), the middle of each desk leg (4) is rotatably connected with a rotating handle (8), the upper end of each rotating handle (8) is fixedly connected with a rotating rod (18), each rotating rod (18) is rotatably connected with a rack (13), the left end of each rotating rod (18) penetrates through a first gear (14) fixedly connected with the rack (13), a bearing (16) is fixedly installed in the middle of the top of the inner wall of the rack (13), the lower end of each bearing (16) is rotatably connected with a threaded rod (17), and a gear is fixedly installed in the middle of each threaded rod (17), and the left side of gear is equipped with gear two (19), inner wall bottom both ends fixedly connected with gag lever post (10) of frame (13), threaded rod (17) are gone up the screw thread and have been cup jointed threaded rod seat (11), threaded rod seat (11) both sides sliding connection has gag lever post (10), the lower extreme fixedly connected with lifter (12) of threaded rod seat (11), the lower extreme fixedly connected with of lifter (12) table leg (4), the bottom fixedly connected with of table leg (4) table leg (5).

2. The multifunctional desk for teaching as claimed in claim 1, wherein: the book reading board is characterized in that a clamping groove is formed in the back face of the book reading board (1), a supporting plate (9) is rotatably connected to the right end of the top of the desk chamber (3), and the book reading board (1) is movably connected with the upper end of the supporting plate (9) through the clamping groove.

3. The multifunctional desk for teaching as claimed in claim 1, wherein: the left end of the second gear (19) is fixedly provided with a transmission rod (15), a cavity is formed in the transverse support frame (7), and the left end of the transmission rod (15) is fixedly provided with a third gear (20) through the cavity.

4. A multifunctional desk for teaching as claimed in claim 3, wherein: the third gear (20) is rotatably connected with a fourth gear (21), the fourth gear (21) is fixedly installed in the middle of the second threaded rod (22), and threads of the second threaded rod (22) are opposite to threads of the second threaded rod (17).

5. The multifunctional desk for teaching as claimed in claim 1, wherein: four edges and corners of the table foot plate (5) are fixedly provided with table foot pads (6), and the number of the table foot pads (6) is four and made of rubber.

6. The multifunctional desk for teaching as claimed in claim 1, wherein: the inner wall both ends fixed mounting of frame (13) has the connecting rod, and connecting rod fixedly connected with gag lever post (10).