CN213962342U

CN213962342U - Multimedia desk for primary and middle schools

Info

Publication number: CN213962342U
Application number: CN202022365339.5U
Authority: CN
Inventors: 杨飞; 胡海云
Original assignee: Guangdong Tianyi Information Engineering Co ltd
Current assignee: Guangdong Tianyi Information Engineering Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-08-17
Anticipated expiration: 2030-10-21

Abstract

The utility model relates to a desk technical field especially relates to a middle and primary school's multimedia desk, including framework, crossbeam, adjusting part and cushion subassembly, crossbeam fixed connection is in the inside bottom of framework, adjusting part fixed connection is at the middle part of crossbeam, the bar groove has been seted up at the positive middle part of adjusting part, cushion subassembly fixed connection is at adjusting part's output. The utility model discloses a rotatory hand wheel can make second bevel gear take place rotatoryly through the dwang, second bevel gear gives first bevel gear with power transmission, make ball screw take place rotatoryly, ball screw can convert rotary motion into rectilinear movement with the ball nut cooperation, can make ball nut removal about ball screw, drive the removal about the cushion subassembly through branch, and then can adjust the height of cushion subassembly on the desk, make the middle and primary school students of different heights use desk more comfortable, and the practicality is improved.

Description

Multimedia desk for primary and middle schools

Technical Field

The utility model relates to a desk technical field especially relates to a middle and primary school's multimedia desk.

Background

Children are flowers of the country, teenagers are the future of the country, three billion children and teenagers are in the four billion population in the country, are in the key period of physical and mental development, are learning culture, and are an important stage for increasing knowledge, the children and the teenagers spend most of time in schools, along with the development of education and the acceleration of intelligent education pace, the education industry gradually tends to informatization, science and technology and intellectualization, the concept of a multimedia digital classroom is gradually deeply applied, the multimedia desk provides convenience for multimedia classes of middle and primary schools, the height of the existing multimedia desk is more fixed, and the using effect of the middle and primary schools is influenced due to the fact that the heights of the middle and primary schools are different and the multimedia desk cannot be adjusted according to needs.

SUMMERY OF THE UTILITY MODEL

The utility model provides a middle and primary school's multimedia desk possesses the advantage of being convenient for to adjust, has solved because middle and primary school student's height is different to some extent, and multimedia desk can't adjust as required, influences middle and primary school student's result of use's problem.

In order to realize the technical problem, the utility model provides such middle and primary schools multimedia desk, including framework, crossbeam, adjusting part and cushion subassembly, crossbeam fixed connection is in the inside bottom of framework, adjusting part fixed connection is at the middle part of crossbeam, the bar groove has been seted up at the positive middle part of adjusting part, cushion subassembly fixed connection is at adjusting part's output.

Adjusting part is including stand, ball screw, ball nut, branch, first bevel gear, dwang, second bevel gear and hand wheel, stand fixed connection is at the middle part of crossbeam, ball screw rotates the middle part of connecting in the stand inside, ball nut screw thread cup joints the surface at ball screw, branch fixed connection is in ball nut's front, bar groove and fixed connection are passed to the one end of branch on the cushion subassembly, the fixed bottom of cup jointing at ball screw surface of first bevel gear, the dwang rotates the bottom of connecting in the stand side, the fixed one end at the dwang of cup jointing of second bevel gear, the tooth meshing of second bevel gear and first bevel gear tooth, hand wheel fixed connection is at the other end of dwang, and the hand wheel is located the outside of stand.

Further, the bottom fixedly connected with of stand side is spacing dish, and the surface at the dwang is cup jointed in spacing dish activity, spacing side of spacing dish is the circumference equidistance and has seted up spacing hole.

Further, the shape of hand wheel is discoid, the side of hand wheel is the circumference equidistance and sets up the jack that runs through, the inside activity of jack is pegged graft and is had the fixed pin, the one end of fixed pin is passed the jack and is moved the grafting in the inside in spacing hole.

Further, the cushion subassembly is including cushion, fixed plate, dead lever and movable block, fixed plate fixed connection is in the middle part of cushion bottom, dead lever fixed connection is in the bottom of fixed plate, the bottom of dead lever is connected through the inside rotation of round pin axle with the movable block, movable block fixed connection is in the one end of branch, and the front sliding connection of the back of movable block and stand.

Further, the bottom fixedly connected with mounting panel of stand, the inside fixedly connected with backplate of framework, the top of stand and the middle part fixed connection of backplate bottom.

Further, a table plate is fixedly connected to the top of the back face of the frame body, and a drawer is fixedly connected to the bottom of the table plate.

Borrow by above-mentioned technical scheme, the utility model provides a middle and primary school's multimedia desk possesses following beneficial effect at least:

1. this middle and primary school's multimedia desk, through the framework, the crossbeam, the cooperation of adjusting part and cushion subassembly is used, through rotatory hand wheel, can make second bevel gear take place rotatoryly through the dwang, second bevel gear gives first bevel gear with power transmission, make ball screw take place rotatoryly, ball screw can convert rotary motion into rectilinear movement with the ball nut cooperation, can make ball nut in the removal about ball screw, drive the removal about the cushion subassembly through branch, and then can adjust the height of cushion subassembly on the desk, make the middle and primary school students of different heights use desk more comfortable, and the practicality is improved.

2. This middle and primary school's multimedia desk through the setting of cushion subassembly, when using, moves the cushion downwards, can make cushion parallel arrangement, makes things convenient for middle and primary school student to sit on the cushion, when not using, can lift the cushion, saves space, makes things convenient for middle and primary school student to pass between two desks, has improved the result of use.

3. This middle and primary school's multimedia desk uses through the cooperation of spacing dish and fixed pin, accomplishes the back at the altitude mixture control of cushion subassembly, inserts the fixed pin from the jack on the hand wheel to spacing hole on the dish, can prevent that the dwang from taking place to rotate, and then has guaranteed the stability after the cushion subassembly is adjusted.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:

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

FIG. 2 is a schematic structural view of the adjusting assembly of the present invention;

fig. 3 is a schematic view of the structure of the cushion assembly of the present invention.

In the figure: 1. a frame body; 2. a cross beam; 3. an adjustment assembly; 301. a column; 302. a ball screw; 303. a ball nut; 304. a strut; 305. a first bevel gear; 306. rotating the rod; 307. a second bevel gear; 308. a hand wheel; 309. a limiting disc; 310. a fixing pin; 4. a strip-shaped groove; 5. a cushion assembly; 501. a cushion; 502. a fixing plate; 503. fixing the rod; 504. a movable block; 6. mounting a plate; 7. a back plate; 8. a table plate; 9. a drawer.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a middle and primary school's multimedia desk, includes framework 1, crossbeam 2, adjusting part 3 and

cushion subassembly

5, 2 fixed connection of crossbeam are in the inside bottom of framework 1, and adjusting part 3 fixed connection has seted up bar groove 4 at the middle part of crossbeam 2, the positive middle part of adjusting part 3, and cushion subassembly 5 fixed connection is at the output of adjusting part 3.

The adjusting component 3 comprises a vertical column 301, a ball screw 302, a ball nut 303, a support rod 304, a first bevel gear 305, a rotating rod 306, a second bevel gear 307 and a hand wheel 308, the vertical column 301 is fixedly connected to the middle part of the cross beam 2, the ball screw 302 is rotatably connected to the middle part inside the vertical column 301, the ball nut 303 is in threaded sleeve joint with the outer surface of the ball screw 302, the support rod 304 is fixedly connected to the front surface of the ball nut 303, one end of the support rod 304 passes through the strip-shaped groove 4 and is fixedly connected to the cushion component 5, the first bevel gear 305 is fixedly connected to the bottom part of the outer surface of the ball screw 302, the rotating rod 306 is rotatably connected to the bottom part of the side surface of the vertical column 301, the second bevel gear 307 is fixedly connected to one end of the rotating rod 306, teeth of the second bevel gear 307 are engaged with teeth of the first bevel gear 305, the hand wheel 308 is fixedly connected to the other end of the rotating rod 306, and the hand wheel 308 is positioned outside the vertical column 301, through framework 1, crossbeam 2, the cooperation of adjusting part 3 and cushion subassembly 5 is used, through rotatory hand wheel 308, can make second bevel gear 307 take place to rotate through dwang 306, second bevel gear 307 transmits power for first bevel gear 305, make ball screw 302 take place to rotate, ball screw 302 can convert rotary motion into rectilinear movement with the cooperation of ball nut 303, can make ball nut 303 in the removal about ball screw 302, drive the removal about cushion subassembly 5 through branch 304, and then can adjust the height of cushion subassembly 5 on the desk, make the middle and primary school students of different heights use more comfortable of desk, and the practicability is improved.

The bottom of the side surface of the upright 301 is fixedly connected with a limiting disc 309, the limiting disc 309 is movably sleeved on the outer surface of the rotating rod 306, the side surface of the limiting disc 309 is provided with limiting holes at equal intervals, the hand wheel 308 is disc-shaped, the side surface of the hand wheel 308 is provided with through insertion holes at equal intervals, the inside of each insertion hole is movably inserted with a fixing pin 310, one end of each fixing pin 310 penetrates through the insertion hole and is movably inserted inside the corresponding limiting hole, the fixing pin 310 is used by matching the limiting disc 309 and the fixing pin 310, after the height adjustment of the cushion component 5 is completed, the fixing pin 310 is inserted into the limiting hole on the limiting disc 309 from the insertion hole on the hand wheel 308, the rotating rod 306 can be prevented from rotating, the stability of the cushion component 5 after the adjustment is further ensured, the cushion component 5 comprises a cushion 501, a fixing plate 502, a fixing rod 503 and a movable block 504, the fixing plate 502 is fixedly connected to the middle part of the bottom of the cushion 501, dead lever 503 fixed connection is in the bottom of fixed plate 502, the bottom of dead lever 503 is connected through the inside rotation of round pin axle with movable block 504, movable block 504 fixed connection is in the one end of branch 304, and the back of movable block 504 and the positive sliding connection of stand 301, setting through cushion subassembly 5, when using, move cushion 501 downwards, can make cushion 501 parallel arrangement, make things convenient for middle and primary school student to sit on cushion 501, when not using, can lift cushion 501, save space, make things convenient for middle and primary school student to pass between two desks, use effect is improved.

The bottom fixedly connected with mounting panel 6 of stand 301, the inside fixedly connected with backplate 7 of framework 1, the middle part fixed connection of the top of stand 301 and backplate 7 bottom, the top fixedly connected with table 8 at the framework 1 back, the bottom fixedly connected with drawer 9 of table 8.

In use, a user rotates the second bevel gear 307 by rotating the hand wheel 308, by rotating the rod 306, the second bevel gear 307 transmits power to the first bevel gear 305, so that the ball screw 302 rotates, the ball screw 302 and the ball nut 303 cooperate to convert the rotational motion into a linear motion, the ball nut 303 can move up and down on the ball screw 302, the support rod 304 drives the cushion component 5 to move up and down, and further the height of the cushion component 5 on the desk can be adjusted, after the height adjustment of the seat cushion assembly 5 is completed, the fixing pin 310 is inserted into the limiting hole on the limiting disc 309 from the insertion hole on the hand wheel 308, the rotating rod 306 can be prevented from rotating, so that the stability of the cushion component 5 after adjustment is ensured, then the seat cushion 501 is moved downwards, so that the seat cushion 501 is arranged in parallel, and a user can sit on the seat cushion 501 conveniently.

The multimedia desk for primary and secondary schools provided by the utility model is introduced in detail. The utility model discloses it is right to have used specific individual example the utility model discloses a principle and implementation have been elucidated, and the explanation of above embodiment is only used for helping understanding the utility model discloses a method and core thought thereof. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a middle and primary school's multimedia desk, includes framework (1), crossbeam (2), adjusting part (3) and cushion subassembly (5), its characterized in that: the cross beam (2) is fixedly connected to the bottom inside the frame body (1), the adjusting component (3) is fixedly connected to the middle of the cross beam (2), a strip-shaped groove (4) is formed in the middle of the front face of the adjusting component (3), and the cushion component (5) is fixedly connected to the output end of the adjusting component (3);

the adjusting component (3) comprises a stand column (301), a ball screw (302), a ball nut (303), a support rod (304), a first bevel gear (305), a rotating rod (306), a second bevel gear (307) and a hand wheel (308), wherein the stand column (301) is fixedly connected to the middle of the cross beam (2), the ball screw (302) is rotatably connected to the middle of the inside of the stand column (301), the ball nut (303) is sleeved on the outer surface of the ball screw (302) in a threaded manner, the support rod (304) is fixedly connected to the front surface of the ball nut (303), one end of the support rod (304) penetrates through the strip-shaped groove (4) and is fixedly connected to the cushion component (5), the first bevel gear (305) is fixedly sleeved at the bottom of the outer surface of the ball screw (302), the rotating rod (306) is rotatably connected to the bottom of the side surface of the stand column (301), the second bevel gear (307) is fixedly sleeved at one end of the rotating rod (306), teeth of the second bevel gear (307) are meshed with teeth of the first bevel gear (305), the hand wheel (308) is fixedly connected to the other end of the rotating rod (306), and the hand wheel (308) is located on the outer side of the upright column (301).

2. A multimedia desk for primary and secondary schools according to claim 1, wherein: the bottom fixedly connected with of stand (301) side is spacing dish (309), and spacing dish (309) activity cup joints the surface at dwang (306), the side of spacing dish (309) is the circumference equidistance and has seted up spacing hole.

3. A multimedia desk for primary and secondary schools according to claim 1, wherein: the shape of hand wheel (308) is discoid, the side of hand wheel (308) is the circumference equidistance and has seted up the jack that runs through, the inside activity of jack is pegged graft and is had fixed pin (310), the one end of fixed pin (310) is passed the jack and the activity is pegged graft in the inside in spacing hole.

4. A multimedia desk for primary and secondary schools according to claim 1, wherein: cushion subassembly (5) is including cushion (501), fixed plate (502), dead lever (503) and movable block (504), fixed plate (502) fixed connection is at the middle part of cushion (501) bottom, dead lever (503) fixed connection is in the bottom of fixed plate (502), the bottom of dead lever (503) is passed through the round pin axle and is connected with the inside rotation of movable block (504), movable block (504) fixed connection is in the one end of branch (304), and the front sliding connection of the back of movable block (504) and stand (301).

5. A multimedia desk for primary and secondary schools according to claim 1, wherein: the bottom fixedly connected with mounting panel (6) of stand (301), the inside fixedly connected with backplate (7) of framework (1), the middle part fixed connection of the top of stand (301) and backplate (7) bottom.

6. A multimedia desk for primary and secondary schools according to claim 1, wherein: the top fixedly connected with table (8) on the frame (1) back, the bottom fixedly connected with drawer (9) of table (8).