CN108783946A - A kind of vocational education teaching desk - Google Patents

Abstract

The invention discloses a teaching desk for vocational education, which comprises a table body, two sets of telescopic legs are fixedly arranged at the bottom of the table body, universal wheels are fixedly arranged at the bottom of the telescopic legs, and fixedly arranged between each group of telescopic legs. Reinforcement arms, a support plate is fixed between the two reinforcement arms, and an electro-hydraulic cylinder is fixed at the center of the top of the support plate. The teaching table for vocational education in the present invention is equipped with an electro-hydraulic cylinder to make the table body lift It is more labor-saving, with universal wheels, it is easy to move the table body, and it is more convenient to use. With a placement slot, it is convenient to place the telescopic column and the reel shell, adjust the height of the telescopic column, and connect with the hanging ring through the connecting wire and hook. The reel shell is relatively stable, and the projection cloth is unfolded through the limit bar, which is easy to use for projection. By opening the second drawer and adjusting the lifting device, the projection equipment is stuck between the movable baffle and the fixed baffle, which is easy for teaching and suitable for indoor use outside use.

Description

A teaching desk for vocational education

technical field

The invention relates to the technical field of teaching desks, in particular to a teaching desk for vocational education, which belongs to the technical field of vocational technical education equipment.

Background technique

Vocational and technical education aims to meet the needs of the society and design students' knowledge, ability, quality structure and training programs with the cultivation of technical application ability as the main line. Graduates should have moderate basic theoretical knowledge, strong technical application ability, broad knowledge and quality. Advanced features, in the teaching process of vocational and technical education, often focus on improving students' hands-on ability, so students are usually allowed to operate some models or objects in class for the purpose of exercise, but the existing teaching desk design is relatively Traditionally, it can only be used for indoor teaching, and the general teaching table is large in size, time-consuming and laborious to move, and it is not safe enough to move.

Contents of the invention

The purpose of the present invention is to provide a teaching desk for vocational education, to solve the problem that the existing teaching desks proposed in the above-mentioned background technology are relatively traditional in design, can only be used for indoor teaching, and the general teaching desk is relatively large in size and difficult to move. It takes time and effort to get up, and it is not safe enough to move.

In order to achieve the above object, the present invention provides the following technical solutions: a teaching table for vocational education, including a table body, two sets of telescopic legs are fixedly arranged at the bottom of the table body, and universal There is a reinforcing arm fixed between each group of telescopic legs, a support plate is fixed between the two reinforcing arms, and an electric hydraulic cylinder is fixed at the center of the top of the support plate. The top of the hydraulic cylinder is fixedly connected to the central position of the bottom end of the table body, and a placement groove is provided on one side of the top of the table body, and a plurality of limit cards are fixedly arranged on the top of the placement groove, and the top of the placement groove Three telescopic uprights are fixed at equal intervals inside. The top of the front of the telescopic uprights is fixedly connected with the reel shell through a connecting block. The reel knob outside the shell is fixedly connected, the reel is wrapped with a projection cloth, and one end of the projection cloth extending out of the reel shell is fixedly connected with the limit bar, and the two sides of the bottom end of the reel shell are fixedly provided with wire boxes, so The wire box is fixedly connected to the hook through the connecting wire, and the hook is detachably connected to the hanging ring. A drawer, a second drawer is provided between the two first drawers, both the first drawer and the second drawer are fixedly connected to the table body through a sealing lock, and the inside of the second drawer is fixedly provided with lifting device.

As a preferred technical solution of the present invention, three side-by-side storage slots are provided on the side of the top of the table body close to the placement slot, and the three storage slots are arranged from small to large, and the other side of the top of the table body is There is a groove on one side, and the top of the groove wall is rotatably connected to the box cover through a rotating rod. A switch panel is fixed inside the groove, and an electric hydraulic cylinder switch is fixed on the surface of the switch panel. The electric hydraulic cylinder is electrically connected to the battery through the electric hydraulic cylinder switch, the battery is arranged inside the table body, the battery is electrically connected to the external power supply equipment through the charging port, and the charging port is arranged on the The bottom of the side of the table body.

As a preferred technical solution of the present invention, the telescopic leg includes a first leg and a second leg, the first leg is embedded with the second leg, and the first leg is connected to the second leg through a clamping screw. The outriggers are connected, the bottom end of the first outrigger is fixedly connected with the universal wheel, the brake pad is fixedly arranged on the universal wheel, and the top end of the second outrigger is fixedly connected with the bottom end of the table body.

As a preferred technical solution of the present invention, the length of the placement groove is greater than the length of the reel case, and several position-limiting holes are evenly opened on the top of the reel case, and several position-limiting holes are fixed on the front of the reel case. hanging column.

As a preferred technical solution of the present invention, the telescopic column includes a first column, a second column and a third column, the third column is embedded in the second column, and the second column is embedded in the first column , the top of the front of the first pillar and the second pillar is provided with a through hole, the front of the second pillar and the third pillar is provided with an elastic ball, the elastic ball is interspersed with the through hole, and the first pillar is fixed to the bottom of the placement groove connection, the third pillar is fixedly connected with the connection block.

As a preferred technical solution of the present invention, the inside of the wire box is provided with a winding shaft, and the front of the wire box is fixed with a connection knob.

As a preferred technical solution of the present invention, the lifting device includes a storage board, and two ends of the bottom surface of the storage board are provided with a chute, the chute is connected with the slider, and the bottom end of the slider moves through a U-shaped block and an inverted U-shaped The top of the frame is flexibly connected, one side of the bottom end of the storage board is fixed with a first support frame, the other side of the bottom end of the storage board is fixed with a second support frame, and one side of the top of the storage board is provided with a movable The baffle, the front of the movable baffle is fixed with a handle groove, the back of the movable baffle is fixed with a guide column, the guide column is embedded in the inside of the return spring fixedly connected with the movable baffle, and the return spring is embedded Set in the chute inside the storage board, the other end of the return spring is fixedly connected to the groove wall at one end of the chute, the other side of the top of the storage board is fixed with a fixed baffle, and the first support The frame has the same structure as the second support frame. The first support frame includes a fixed frame and an inverted U-shaped movable frame. The movable frame is embedded in the fixed frame. The movable frame is fixedly connected with the fixed frame by locking screws. The bottom ends of the two fixing frames of a supporting frame are fixedly connected with the bottom plate of the second drawer through a fixing plate and screws.

Compared with the prior art, the beneficial effects of the present invention are: a teaching table for vocational education in the present invention can adjust the height of the table body by being provided with telescopic legs, and the table body can be lifted and lowered with less labor by being provided with an electro-hydraulic cylinder , through the universal wheel, it is easy to move the table body, and it is more convenient to use. With the placement slot, it is convenient to place the telescopic column and the reel shell. The ring connection makes the reel shell more stable and safer to use. The projection cloth is unfolded through the limit bar, which is easy to use for projection. By opening the second drawer and adjusting the lifting device, the projection equipment is stuck between the movable baffle and the fixed baffle. , easy to use for teaching, so that the teaching table can be used indoors and outdoors, and the first drawer is provided to facilitate storage of teaching materials or teaching utensils.

Description of drawings

Fig. 1 is a schematic diagram of the main view structure of the present invention;

Fig. 2 is a schematic diagram of the projection cloth structure of the present invention;

Fig. 3 is the structural representation of lifting device of the present invention;

Fig. 4 is a schematic structural diagram of a switch panel of the present invention;

Fig. 5 is a schematic diagram of the partial structure inside the table body of the present invention;

Fig. 6 is a schematic diagram of a partial structure inside the storage board of the present invention.

In the figure: 1. Table body; 2. Telescopic legs; 3. Universal wheels; 4. Reinforcement arm; 5. Support plate; 6. Electric hydraulic cylinder; 10. Projection cloth; 11. Reel knob; 12. Wire box; 13. Hook; 14. Hanging ring; 15. Limit card; 16. Charging port; 17. Clamping screw; 18. Storage slot; 19. Box cover ; 20, groove; 21, switch panel; 22, the first drawer; 23, the second drawer; 24, the first support frame; 25, the second support frame; Baffle plate; 29, return spring; 30, movable baffle plate; 31, storage battery; 32, slide block; 33, U-shaped block.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-6, the present invention provides a teaching table for vocational education, including a table body 1, two sets of telescopic legs 2 are fixed at the bottom of the table body 1, and universal wheels are fixed at the bottom of the telescopic legs 2 3. A reinforcement arm 4 is fixed between each group of telescopic legs 2, a support plate 5 is fixed between the two reinforcement arms 4, and an electric hydraulic cylinder 6 is fixed at the center of the top of the support plate 5. The electrohydraulic cylinder The top of 6 is fixedly connected with the central position of the bottom end of the table body 1, and one side of the top of the table body 1 is provided with a placement groove 7, and the top of the placement groove 7 is fixedly provided with several limit cards 15, and the interior of the placement groove 7 is equally spaced. Three telescopic uprights 8 are fixedly arranged, and the top of the front of the telescopic uprights 8 is fixedly connected with the reel shell 9 through a connecting block, and the two ends inside the reel shell 9 are rotatably connected with the reel through bearings, and one end of the reel is connected with the reel knob 11 outside the reel shell 9 Fixed connection, the projection cloth 10 is wound on the reel, one end of the projection cloth 10 extending out of the reel shell 9 is fixedly connected with the limit bar, the two sides of the bottom end of the reel shell 9 are fixed with a wire box 12, and the wire box 12 is connected to the hook 13 through the connecting wire Fixedly connected, the hook 13 is detachably connected with the hanging ring 14, the hanging ring 14 is fixedly arranged on the top of both sides of the table body 1, the two ends of the front of the table body 1 are provided with a first drawer 22, between the two first drawers 22 A second drawer 23 is provided. Both the first drawer 22 and the second drawer 23 are fixedly connected to the table body 1 through a sealing lock, and a lifting device is fixed inside the second drawer 23 .

Preferably, the top of the table body 1 near the side of the placement groove 7 is provided with three side-by-side storage grooves 18, the three storage grooves 18 are arranged from small to large, and the other side of the top of the table body 1 is provided with a groove 20, the groove The top of 20 groove walls is rotatably connected with box cover 19 by rotating rod, and the interior of groove 20 is fixedly provided with switch panel 21, and the surface of switch panel 21 is fixedly provided with electrohydraulic cylinder switch, and electrohydraulic cylinder 6 is connected with the electrohydraulic cylinder switch. The storage battery 31 is electrically connected, and the storage battery 31 is arranged inside the table body 1, and the storage battery 31 is electrically connected with the external power supply equipment through the charging port 16, and the charging port 16 is arranged at the bottom of the side of the table body 1. Place items to prevent items from falling. By providing a box cover 19, the cleaning of the groove 20 is ensured. By providing a storage battery 31, it is convenient to provide electric energy for the electric hydraulic cylinder 6. By providing a charging port 16, it is convenient to charge the storage battery 31. Charge.

Preferably, the telescopic legs 2 include a first leg and a second leg, the inside of the first leg is embedded with a second leg, the first leg is connected with the second leg by a clamping screw 17, and the first leg The bottom end of the leg is fixedly connected with the universal wheel 3, the universal wheel 3 is fixedly provided with a brake pad, and the top of the second leg is fixedly connected with the bottom end of the table body 1, which is easy to move and stabilize, and is provided with a clamping screw 17. It is convenient to adjust the height of the telescopic legs 2 and make the telescopic legs 2 stable.

Preferably, the length of the placement slot 7 is greater than the length of the reel shell 9, and the top of the reel shell 9 is evenly provided with a number of limit holes, and the front of the reel shell 9 is fixedly provided with a number of suspension columns, and the limit holes and suspension columns are provided , it is convenient to hang teaching exhibits such as blackboards on the reel shell 9 .

Preferably, the telescopic column 8 includes a first column, a second column and a third column, the third column is embedded in the second column, the second column is embedded in the first column, the first column and the second column The top of the front is provided with a through hole, the front of the second pillar and the third pillar is provided with an elastic ball, the elastic ball is interspersed and connected with the through hole, the first pillar is fixedly connected with the bottom of the placement groove 7, and the third pillar is fixed with the connecting block Connect, the telescopic column 8 adjusts three heights through the first column, the second column and the third column, and the first column, the second column and the third column are interspersed and connected with the through hole through the elastic ball, so that the telescopic column 8 can stabilized, thereby stabilizing the reel housing 9 .

Preferably, the inside of the wire box 12 is provided with a winding shaft, and the front of the wire box 12 is fixedly provided with a connecting wire knob, so that the connecting wire can be wound on the winding shaft through the connecting wire knob.

Preferably, the elevating device comprises a storage board 27, and the two ends of the storage board 27 bottom surfaces are provided with a chute 26, and the chute 26 is connected with the slide block 32, and the bottom end of the slide block 32 is connected with the inverted U-shaped movable frame by the U-shaped block 33. The top is flexibly connected, and one side of the bottom end of the storage board 27 is fixedly provided with a first support frame 24, and the other side of the bottom end of the storage board 27 is fixedly provided with a second support frame 25, and one side of the top end of the storage board 27 is provided with a movable baffle 30 , the movable baffle 30 front is fixedly provided with a handle groove, the back side of the movable baffle 30 is fixedly provided with a guide column, and the guide column is embedded in the inside of the return spring 29 fixedly connected with the movable baffle 30, and the return spring 29 is embedded in the storage plate 27 In the inner chute, the other end of the back-moving spring 29 is fixedly connected with the groove wall at one end of the chute, the other side of the top of the storage plate 27 is fixedly provided with a fixed baffle 28, and the first support frame 24 and the second support frame 25 have a structure Similarly, the first support frame 24 includes a fixed frame and an inverted U-shaped movable frame, the movable frame is embedded in the fixed frame, the movable frame is fixedly connected with the fixed frame by locking screws, and the bottom ends of the two fixed frames of the first support frame 24 pass through The fixed plate and the screw are fixedly connected with the bottom plate of the second drawer 23, and the position of the movable frame is adjusted by the locking screw, so that the slide block 32 slides in the inside of the chute 26, and in the process of sliding, the slide block is moved by the U-shaped block 33. 32 is movably connected with the inverted U-shaped movable frame, and fixed by locking screws to adjust the height of the first support frame 24 and the second support frame 25, so that the storage plate 27 can be kept horizontal or at a certain angle, and it is easy to adjust the projection equipment Pull the movable baffle 30 through the handle groove, so that the movable baffle 30 drives the guide column to move to one side, and at the same time drives the return spring 29 to move to one side, and the projection device is placed on the surface of the storage board 27, and the movable baffle 30 moves to one side through the movable baffle. 30 and the fixed baffle 28 limit it to make the projection equipment stable.

When in specific use, the present invention is a teaching table for vocational education. After the table body 1 is moved to an appropriate position through the universal wheel 3, the universal wheel 3 is fixed by the brake pad, so that the table body 1 is stable, and the limit card is opened. 15. Stretch the reel shell 9 so that the reel shell 9 drives the telescopic column 8 up and down, and the telescopic column 8 adjusts three heights through the first pillar, the second pillar and the third pillar, and the first pillar, the second pillar and the third pillar Intersperse and connect with the through hole through the elastic ball, so that the telescopic column 8 can be stabilized, so that the reel shell 9 is stable, and the connecting wire is stretched out of the wire box 12 by pulling the hook 13, and the connecting wire is wound on the hanging ring 14, so that the connecting wire After tightening, connect the hook 13 with the hanging ring 14, so that the connecting line forms a triangle shape with the telescopic column 8 and the table body 1, so that the reel case 9 is stable, and the shaking of the reel case 9 is reduced, and the clamping screw 17 is loosened. The electric hydraulic cylinder switch on the surface of the switch panel 21 controls the operation of the electric hydraulic cylinder 6. After the table body 1 is raised to an appropriate position, the electric hydraulic cylinder switch is turned off, and the clamping screw 17 is tightened to stabilize the telescopic leg 2. By opening the first Drawer 22, take out teaching materials or teaching utensils, respectively place teaching materials and utensils in the inside of storage tank 18 of appropriate size, convenient access, and not easy to slide off table body 1, second drawer 23 is opened through the groove body of front, through The locking screw adjusts the position of the movable frame, and is fixed by the locking screw. The first support frame 24 and the second support frame 25 are close to the central position of the bottom plate of the storage plate 27, which is easy to adjust the first support frame 24 and the second support frame 25 When lifting, the slider 32 slides inside the chute 26. During the sliding process, the U-shaped block 33 makes the slider 32 and the inverted U-shaped movable frame movably connected, so that the storage plate 27 can be kept horizontal or A certain angle makes it easy to adjust the angle of the projection device. Pull the movable baffle 30 through the handle groove, so that the movable baffle 30 drives the guide column to move to one side, and at the same time drives the return spring 29 to move to one side, and the projection device is placed on the storage board 27, it is limited by the movable baffle 30 and the fixed baffle 28, so that the projection device is stable, safer to use, convenient to disassemble and install, and more time-saving and labor-saving to use. position, keep the table body 1 clean and tidy, easy to carry and move, simple overall structure, low cost, strong practicability, and easy to popularize.

In describing the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top ", "inner", "front", "central", "both ends" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the number of indicated technical features, Thus, a feature defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

In the present invention, terms such as "installation", "installation", "connection", "fixation" and "rotation connection" should be interpreted in a broad sense unless otherwise clearly specified and limited, for example, it may be a fixed connection, or It can be a detachable connection or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary; it can be the internal communication of two components or the interaction relationship between two components Unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (7)

1. A teaching table for vocational education, comprising a table body (1), characterized in that two sets of telescopic legs (2) are fixed at the bottom of the table body (1), and the bottom of the telescopic legs (2) A universal wheel (3) is fixed at the end, a reinforcement arm (4) is fixed between each set of telescopic legs (2), and a support plate (5) is fixed between the two reinforcement arms (4). ), an electric hydraulic cylinder (6) is fixed at the center of the top of the support plate (5), and the top of the electric hydraulic cylinder (6) is fixedly connected to the center of the bottom of the table body (1), One side of the top of the table body (1) is provided with a placement slot (7), the top of the placement slot (7) is fixed with several limit cards (15), and the inside of the placement slot (7) etc. There are three telescopic uprights (8) at fixed intervals, the top of the front of the telescopic uprights (8) is fixedly connected to the reel shell (9) through a connecting block, and the two ends inside the reel shell (9) are rotatably connected to the reel through bearings , one end of the reel is fixedly connected with the reel knob (11) outside the reel shell (9), the projection cloth (10) is wound on the reel, and the projection cloth (10) extends out of the reel shell ( One end of 9) is fixedly connected with the limit bar, and the two sides of the bottom end of the reel shell (9) are fixed with wire boxes (12), and the wire box (12) is fixedly connected with the hook (13) through a connecting wire, and the The hook (13) is detachably connected to the hanging ring (14), and the hanging ring (14) is fixedly arranged on the top of both sides of the table body (1), and both ends of the front of the table body (1) are provided with The first drawer (22), the second drawer (23) is arranged between the two first drawers (22), the first drawer (22) and the second drawer (23) are sealed and locked with each other The table body (1) is fixedly connected, and a lifting device is fixed inside the second drawer (23). 2. A teaching desk for vocational education according to claim 1, characterized in that: there are three side-by-side storage slots (18) on the side close to the placement slot (7) at the top of the table body (1) , the three storage slots (18) are arranged from small to large, and the other side of the top of the table (1) is provided with a groove (20), and the top of the groove (20) is passed through the rotating rod It is rotatably connected with the box cover (19), the inside of the groove (20) is fixed with a switch panel (21), the surface of the switch panel (21) is fixed with an electric hydraulic cylinder switch, and the electric hydraulic cylinder ( 6) The electric hydraulic cylinder switch is electrically connected to the battery (31), the battery (31) is arranged inside the table body (1), and the battery (31) is connected to the external power supply equipment through the charging port (16) Electrically connected, the charging port (16) is arranged at the bottom of the side of the table body (1). 3. A teaching table for vocational education according to claim 1, characterized in that: the telescopic legs (2) include a first leg and a second leg, and a second leg is embedded inside the first leg. Legs, the first leg is connected to the second leg through clamping screws (17), the bottom end of the first leg is fixedly connected to the universal wheel (3), and the universal wheel (3) is fixed A brake pad is provided, and the top end of the second outrigger is fixedly connected with the bottom end of the table body (1). 4. A teaching table for vocational education according to claim 1, characterized in that: the length of the placement slot (7) is greater than the length of the scroll shell (9), and the top of the scroll shell (9) A number of limiting holes are evenly opened, and a number of suspension posts are fixedly arranged on the front of the reel housing (9). 5. A teaching desk for vocational education according to claim 1, characterized in that: the telescopic column (8) includes a first column, a second column and a third column, and the third column is embedded in the second column The second pillar is embedded in the inside of the first pillar, the top of the front of the first pillar and the second pillar is provided with a through hole, the front of the second pillar and the third pillar is provided with an elastic ball, and the elastic ball is interspersed with the through hole connection, the first pillar is fixedly connected with the bottom of the placing groove (7), and the third pillar is fixedly connected with the connecting block. 6. A teaching table for vocational education according to claim 1, characterized in that: the inside of the wire box (12) is provided with a winding shaft, and the front of the wire box (12) is fixed with a connecting wire knob . 7. A teaching table for vocational education according to claim 1, characterized in that: the lifting device includes a storage board (27), and two ends of the bottom surface of the storage board (27) are provided with chute (26), sliding The groove (26) is connected with the slide block (32), and the bottom end of the slide block (32) is movably connected with the top of the inverted U-shaped movable frame through a U-shaped block (33), and one side of the bottom end of the storage plate (27) is fixed A first support frame (24) is provided, a second support frame (25) is fixed on the other side of the bottom end of the storage plate (27), and a movable baffle ( 30), the front of the movable baffle (30) is fixedly provided with a handle groove, and the back of the movable baffle (30) is fixedly provided with a guide column, and the guide column is embedded in a reset device fixedly connected with the movable baffle (30). Inside the spring (29), the return spring (29) is embedded in the chute inside the storage plate (27), and the other end of the return spring (29) is fixedly connected to the groove wall at one end of the chute, The other side of the top of the storage board (27) is fixed with a fixed baffle (28), the first support frame (24) has the same structure as the second support frame (25), and the first support frame (24) includes a fixed frame and an inverted U-shaped movable frame, the movable frame is embedded in the fixed frame, the movable frame is fixedly connected with the fixed frame through locking screws, and the bottom ends of the two fixed frames of the first support frame (24) pass through The fixing plate and the screws are fixedly connected with the bottom plate of the second drawer (23).