CN219515663U - Anti-toppling device of children learning desk - Google Patents

Abstract

The utility model provides an anti-toppling device of a child learning table, which comprises a learning table body, table legs, an anti-toppling structure and a limiting structure, wherein the learning table body comprises a first table plate, a second table plate and table legs, side plates are arranged on one sides of two ends of the first table plate and the second table plate, clamping grooves are formed in one sides of the side plates, close to the first table plate and the second table plate, of the first table plate and the second table plate, and two ends of the first table plate and the second table plate are arranged in the clamping grooves on one side of the side plates. According to the utility model, the study table body, the bolts and the telescopic rods are arranged, when the study table body is required to be folded and stored, the book placing plate is folded through the first rotating shaft and the second rotating shaft, and the book placing plate is lifted upwards from the middle parts of the first table plate and the second table plate, so that the space occupied by the study table body when the study table body is not used is reduced by folding the study table body, the height of the study table is conveniently adjusted, the folding structure is effectively simplified, the convenience of the study table when being unfolded is improved, the volume of the study table when being folded is further reduced, and the storage space is saved.

Description

Anti-toppling device of children learning desk

Technical Field

The utility model relates to the technical field of learning tables, in particular to an anti-toppling device of a child learning table.

Background

The learning desk is a novel, scientific, humanized and practical learning auxiliary tool, is suitable for children to teenagers of 3-18 years old, the desk height can be adjusted in a lifting way, the desk top can be freely inclined, the learning desk is a tool which is made by combining the deep study of three major subjects of human engineering, human mechanics and human physiology, and the human vision principle, colorimetry, psychology and the like, through numerous data acquisition, test and demonstration, the learning desk and the traditional desk are two completely different concepts, the learning desk and chair is used in school classrooms or families, and is a learning tool commonly used by children and word workers;

through searching, the Chinese patent with the application number of 202220849002.8 discloses an adjustable children learning table, through the cooperation between a handle, a connecting rod and a rear plate, a positioning rod can be enabled to move backwards, a second spring is enabled to stretch, through the cooperation between a sliding plate, a movable rod I, a movable rod II and a table plate, the table plate can be enabled to move up and down, when the second spring is reset, one end of the positioning rod is enabled to be positioned in a positioning hole, two sliding plates can be fixed, the position of the table plate can be fixed, and therefore the height of the table plate can be adjusted according to the height of a child; through the cooperation between handle and connecting rod and the back plate, then can make the locating lever backward movement, and make the second spring tensile, and through the cooperation between slide and movable rod one and movable rod two and the table, then can make the table downwards and with put the top laminating of thing board, and can make the one end of locating lever be located the inside of locating hole when the second spring resets, then can fix two slides, then can be with the fixed position of table, then be convenient for reduce the volume of whole table chair, thereby portable.

Aiming at the technology, the inventor considers that the existing folding desk has a complex structure, the folding storage still occupies a large space, the unfolding process is complex, the use is inconvenient, the height of children grows continuously due to development, different demands are made on the height of the desk, the children need to always lower the head when reading books, the damage to the bodies and the eyesight of the children is easy to cause, the books are placed on the desk when writing, the desktop area is limited, the books are mostly overlapped with the writing books, the positions of the books need to be adjusted at any time, if the books are raised, the books are easy to topple, the books are held at any time, and the writing is inconvenient.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an anti-toppling device of a child learning table.

The utility model provides an anti-toppling device for a children learning table, which comprises: study table body, table leg, prevent empting structure and limit structure, study table body is including first table, second table and table leg, first table and second table both ends one side is provided with the curb plate, the curb plate is close to first table and second table one side and opens and be provided with the draw-in groove, first table and second table both ends set up in curb plate one side draw-in groove inside, first table and second table parallel arrangement, every group curb plate lower surface is provided with two sets of table legs, every group table leg upper end fixed connection is in curb plate lower surface, first table upper surface is provided with prevents empting structure and four sets of limit structures, every two sets of limit structures set up in prevent empting structure one side.

Preferably, four groups of mounting holes are formed in the upper surface of the first table plate, the middle parts of the first table plate and the second table plate can be folded through the flat opening and closing pages, a group of third rotating shafts are respectively arranged on two sides of two ends of the first table plate and two sides of the second table plate, and the two sides of the two ends of the first table plate and the two sides of the two ends of the second table plate are rotatably connected to the inner wall of the clamping groove on one side of the side plate through the third rotating shafts.

Preferably, the cavity is seted up inside the table leg, and logical groove has been seted up to the table leg lower extreme, leads to groove and the inside cavity intercommunication of table leg, and the screw hole has been seted up on table leg lower extreme side surface, and the screw hole communicates with each other with the inside of table leg cavity, and the screw hole is inside to be provided with the bolt, and the inside telescopic link that is provided with of table leg cavity, telescopic link lower extreme pass table leg lower extreme and lead to the groove and extend to table leg below, and the telescopic link lower extreme is provided with the universal wheel.

Preferably, the anti-toppling structure comprises a book placing plate, connecting rods and supporting frames, wherein the two groups of supporting frames are arranged between four groups of mounting holes on the upper surface of the first table plate, the lower surface of each group of supporting frames is fixedly connected to the upper surface of the first table plate, one side of each group of supporting frames is provided with a connecting rod, the book placing plate is arranged between the two groups of connecting rods, the lower end side surfaces of the connecting rods are provided with through holes, the inside of each through hole is provided with a second rotating shaft, one side of each second rotating shaft is rotationally connected to the side surface of each supporting frame, the upper end side surfaces of each connecting rod are provided with through holes, the inside of each through hole is provided with a first rotating shaft, and one side of each first rotating shaft is rotationally connected to the side surface of the book placing plate.

Preferably, the limit structure comprises a spring and a limit rod, the spring is arranged in a mounting hole on the upper surface of the first table plate, one end of the spring is fixedly connected to the inner bottom of the mounting hole on the upper surface of the first table plate, the other end of the spring is provided with the limit rod, the lower end of the limit rod is fixedly connected to one end of the spring, and the other end of the limit rod penetrates through the mounting hole on the upper surface of the first table plate and extends to the upper surface of the first table plate.

Preferably, one end of the book placing plate is provided with a baffle, one side of the baffle is fixedly connected with one end of the book placing plate, one side of the baffle is provided with two groups of page pressing strips, and one side of one end of each page pressing strip is rotationally connected with one side of the baffle.

Compared with the related art, the anti-toppling device for the children learning table has the following beneficial effects:

through being provided with study table body, bolt and telescopic link, when study table body is expanded, with first table, the flat page or leaf level that opens and shuts in second table through the middle part is expanded, under the effect of third axis of rotation, curb plate perpendicular to first table, second table both ends one side, user is according to the height of children who use, screw out the bolt, screw hole threaded connection of bolt and table leg lower extreme surface, make bolt one end break away from the telescopic link, alright at this moment with the telescopic link pull out from the inside of table leg cavity, after adjusting the study table body to suitable height, the operating personnel screw in the bolt, bolt and screw hole threaded connection, make bolt one end tightly carry and close at the telescopic link surface, make the telescopic link fix in the table leg cavity inside, make the high fixed of study table body, the operating personnel remove to suitable position through the universal wheel, when needs folding the study table body deposit the table, first axis of rotation and second place the board folding books, upwards lift up the axis of rotation from first table and second table middle part, thereby folding study table body reduces the used space, the folding table body has reduced, the folding table has reduced the convenient size, the folding has further improved the folding table has taken advantage when the folding table has been used, and has improved the folding size has been convenient.

Through being provided with and preventing empting the structure, the user at first presses the mounting hole inside to first table upper surface with the gag lever post in two sets of limit structures of support frame one side, the spring is extruded to gag lever post lower extreme this moment, the spring shrink produces elasticity, the user is placed the board with books and is rotated to the state perpendicular with first table through the first axis of rotation between the connecting rod, operating personnel release gag lever post this moment, the gag lever post upper end rises out the mounting hole of first table upper surface under the effect of the elasticity of spring, and extend to books and place the board and be close to first table one side, under the mutual cooperation of two sets of limit structures of support frame opposite side, make books place the board and keep the vertical state, after the user places books in books place board one side with books, the user turns to need reading one page in the books bottom, the baffle plays to holding the book, the user is with the strip one end of pressing the page through rotating with baffle one side, make the strip rotate to reading the page lower extreme, the book is kept reading page state by convenience, the book is convenient to read and is write, the book is avoided toppled to have reduced the low head of long-time and cause the eyesight to the body of children.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of an anti-toppling device for a child learning table according to the present utility model;

fig. 2 is a schematic view of a structure of the learning table body when folded;

FIG. 3 is a schematic diagram of an anti-toppling structure and a limiting structure according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

Reference numerals in the drawings: 1. a learning desk body; 2. an anti-toppling structure; 3. a limit structure; 4. a side plate; 5. a table leg; 6. a first table; 7. a second table plate; 8. a hinge is opened horizontally; 9. a book placing plate; 10. a baffle; 11. a page pressing strip; 12. a connecting rod; 13. a first rotation shaft; 14. a second rotation shaft; 15. a support frame; 16. a bolt; 17. a third rotation shaft; 18. a telescopic rod; 19. a universal wheel; 20. a spring; 21. and a limit rod.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, fig. 1 is a schematic structural view of a preferred embodiment of an anti-toppling device for a learning table for children according to the present utility model; fig. 2 is a schematic view of a structure of the learning table body when folded; FIG. 3 is a schematic diagram of an anti-toppling structure and a limiting structure according to the present utility model; fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model. Comprising the following steps: study table body 1, table leg 5, prevent empting structure 2 and limit structure 3, study table body 1 includes first table 6, second table 7 and table leg 5, first table 6 and second table 7 both ends one side is provided with curb plate 4, curb plate 4 is close to first table 6 and second table 7 one side is opened and is provided with the draw-in groove, first table 6 and second table 7 both ends set up in curb plate 4 one side draw-in groove is inside, first table 6 and second table 7 parallel arrangement, every group curb plate 4 lower surface is provided with two sets of table legs 5, every group table leg 5 upper end fixed connection is in curb plate 4 lower surface, first table 6 upper surface is provided with prevents empting structure 2 and four groups limit structure 3, prevent empting structure 2 prevents that books from empting, every two groups limit structure 3 set up in prevent empting structure 2 one side, limit structure 3 plays the restriction effect.

In the specific implementation process, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, four groups of mounting holes are formed in the upper surface of the first table plate 6, the mounting holes are convenient to mount, the middle of the first table plate 6 and the middle of the second table plate 7 can be folded through the flat opening and closing page 8, the flat opening and closing page 8 enables the first table plate 6 and the second table plate 7 to be folded upwards, the space when the learning table body 1 is not used is reduced, the first table plate 6 and the second table plate 7 can be kept horizontal when the learning table body is horizontally placed, a group of third rotating shafts 17 are respectively arranged on two sides of two ends of the first table plate 6 and two sides of the second table plate 7, the first table plate 6 and two sides of two ends of the second table are connected to the inner wall of a clamping groove on one side of the side plate 4 through the third rotating shafts 17, and the two ends of the first table plate 6 and the second table plate 7 can rotate with the side plate 4, so that the volume of the learning table body 1 is reduced when the learning table body is not used.

Wherein, the cavity has been seted up to the inside cavity of table leg 5, logical groove has been seted up to the table leg 5 lower extreme, logical groove and the inside cavity intercommunication of table leg 5, the screw hole has been seted up on table leg 5 lower extreme side surface, screw hole and the inside intercommunication of table leg 5 cavity, screw hole inside is provided with bolt 16, the inside telescopic link 18 that is provided with of table leg 5 cavity, bolt 16 one end passes the screw hole of table leg 5 lower extreme side surface and lifts in telescopic link 18 surface, telescopic link 18 lower extreme passes table leg 5 lower extreme logical groove and extends to table leg 5 below, telescopic link 18 can get into the table leg 5 inside through the logical groove of table leg 5 below, when the height of needs regulation study table body 1, operating personnel unscrews bolt 16, screw hole threaded connection of bolt 16 and table leg 5 lower extreme surface, make bolt 16 one end break away from telescopic link 18, alright at this moment conveniently pull out telescopic link 18 from the inside the table leg 5 cavity, after adjusting study table body 1 to suitable height, operating personnel screw in bolt 16, bolt 16 and screw thread connection, make bolt 16 one end tightly lift in telescopic link 18 surface, make telescopic link 18 one end to stretch up at telescopic link 18, make the telescopic link 18 fixing the universal wheel of table body 1, the universal wheel 19 has been set up to the telescopic link 1.

Wherein, prevent empting structure 2 and place board 9, connecting rod 12 and support frame 15 including books, support frame 15 is provided with two sets of, support frame 15 sets up between four sets of mounting holes of first table 6 upper surface, every support frame 15 lower surface fixed connection in first table 6 upper surface, support frame 15 facilitates the mounting structure, every support frame 15 one side is provided with connecting rod 12, be provided with books between two sets of connecting rods 12 and place board 9, the through-hole has been seted up to connecting rod 12 lower extreme side surface, the inside second axis of rotation 14 that is provided with of through-hole, second axis of rotation 14 one side rotation is connected in support frame 15 side surface, make through-hole between connecting rod 12 and the support frame 15 through second axis of rotation 14, the through-hole has been seted up to connecting rod 12 upper end side surface, the inside first axis of rotation 13 one side rotation is connected in books place board 9 side surface, make books place between board 9 and the connecting rod 12 through first axis of rotation 13 can rotate.

The limiting structure 3 comprises a spring 20 and a limiting rod 21, the spring 20 is arranged in a mounting hole on the upper surface of the first table plate 6, the mounting hole plays a role of fixing the spring 20 and the limiting rod 21, one end of the spring 20 is fixedly connected to the inner bottom of the mounting hole on the upper surface of the first table plate 6, the other end of the spring 20 is provided with the limiting rod 21, the lower end of the limiting rod 21 is fixedly connected to one end of the spring 20, the other end of the limiting rod 21 penetrates through the mounting hole on the upper surface of the first table plate 6 to extend to the upper surface of the first table plate 6, when a book placing plate 9 needs to be placed, a user firstly presses the limiting rod 21 in the two groups of limiting structures 3 on one side of the supporting frame 15 to the mounting hole on the upper surface of the first table plate 6, at this moment, the lower end of the limiting rod 21 extrudes the spring 20, the spring 20 contracts to generate elasticity, the user rotates the book placing plate 9 to be in a perpendicular state with the first table plate 6 through a first rotating shaft 13 between the connecting rod 12, at this moment, the upper end of the limiting rod 21 lifts out of the mounting hole on the upper surface of the first table plate 6 under the action of the elasticity of the spring 20, and extends to the two groups of the limiting rod 21 to the two groups of limiting rods 9 to be close to the first table plate 9 to the first table plate 6 to be placed on the other side of the supporting frame 3, and the book placing plate is matched with each other, so that the books can be placed on the other side of the lower side of the supporting frame 9 is kept perpendicular to be in a state.

Wherein, the one end that the board 9 was placed to the books is provided with baffle 10, baffle 10 one side fixed connection is placed in the books and is put board 9 one end, baffle 10 has played the effect of lifting books, baffle 10 one side is provided with two sets of page pressing strip 11, press page pressing strip 11 one end one side rotation to connect in baffle 10 one side, press page pressing strip 11 has played the effect of expanding books, after the user placed the books in board 9 one side is placed to the books, the user turns books to need read one page, baffle 10 plays the lift to the books bottom, the user will press page pressing strip 11 one end through rotating with baffle 10 one side, make press page pressing strip 11 rotate to books and read the page lower extreme, conveniently make books keep reading the page expanding state.

The working principle provided by the utility model is as follows: when the study table body 1 is unfolded, the first table plate 6 and the second table plate 7 are horizontally unfolded through the flat opening and closing page 8 in the middle, under the action of the third rotating shaft 17, the side plates 4 are perpendicular to one sides of two ends of the first table plate 6 and the second table plate 7, a user screws out the bolts 16 according to the height of a child, the bolts 16 are in threaded connection with threaded holes on the outer surfaces of the lower ends of the table legs 5, one ends of the bolts 16 are separated from the telescopic rods 18, at the moment, the telescopic rods 18 can be conveniently pulled out from the inner parts of the cavities of the table legs 5, after the study table body 1 is adjusted to a proper height, the operator screws in the bolts 16, the bolts 16 are in threaded connection with the threaded holes, one ends of the bolts 16 are tightly clamped on the outer surfaces of the telescopic rods 18, the telescopic rods 18 are fixed in the cavities of the table legs 5, the height of the study table body 1 is fixed, the operator moves to a proper placement position through universal wheels 19, when a child needs to read a book by standing, the second rotating shaft 14 enables the connecting rod 12 and the supporting frame 15 to rotate, the connecting rod 12 stands up and keeps vertical with the first table plate 6, a user firstly presses the limiting rods 21 in the two groups of limiting structures 3 on one side of the supporting frame 15 to the inside of the mounting holes on the upper surface of the first table plate 6, at the moment, the lower ends of the limiting rods 21 squeeze the springs 20, the springs 20 shrink to generate elastic force, the user rotates the book placing plate 9 to be vertical to the first table plate 6 through the first rotating shaft 13 between the connecting rod 12, at the moment, the operator releases the limiting rods 21, the upper ends of the limiting rods 21 lift out of the mounting holes on the upper surface of the first table plate 6 under the elastic force of the springs 20 and extend to the side of the book placing plate 9 close to the first table plate 6, and under the mutual matching use of the two groups of limiting structures 3 on the other side of the supporting frame 15, the book placing plate 9 is kept in a vertical state, when a user places the book on one side of the book placing plate 9, the user turns the book to a page to be read, the baffle 10 lifts the bottom of the book, the user rotates one end of the page pressing strip 11 to one side of the baffle 10, the page pressing strip 11 rotates to the lower end of the page to be read, the book is conveniently kept in a page reading unfolding state, reading and copying are convenient, when the study table body 1 needs to be folded and stored, the book placing plate 9 is folded through the first rotating shaft 13 and the second rotating shaft 14, the middle part of the first table plate 6 and the middle part of the second table plate 7 are lifted upwards, and therefore the space occupied by the study table body 1 is reduced when the study table body is folded.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. A child learning table anti-toppling device, comprising: study table body (1), table leg (5), prevent empting structure (2) and limit structure (3), a serial communication port, study table body (1) is including first table (6), second table (7) and table leg (5), first table (6) and second table (7) both ends one side is provided with curb plate (4), curb plate (4) are close to first table (6) and second table (7) one side and open and be provided with the draw-in groove, first table (6) and second table (7) both ends set up in curb plate (4) one side draw-in groove inside, first table (6) and second table (7) parallel arrangement, every group curb plate (4) lower surface is provided with two sets of table legs (5), every group table leg (5) upper end fixed connection is in curb plate (4) lower surface, first table (6) upper surface is provided with prevents empting structure (2) and four limit structure (3), every two sets of limit structure (3) set up in preventing empting structure (2) one side.

2. The anti-toppling device for the children's learning desk according to claim 1, wherein four groups of mounting holes are formed in the upper surface of the first desk plate (6), the middle parts of the first desk plate (6) and the second desk plate (7) can be folded through the flat opening and closing pages (8), a group of third rotating shafts (17) are respectively arranged on two sides of two ends of the first desk plate (6) and two sides of two ends of the second desk plate (7), and the two sides of the two ends of the first desk plate (6) and the two sides of the two ends of the second desk plate are rotatably connected to the inner wall of a clamping groove on one side of the side plate (4) through the third rotating shafts (17).

3. The anti-toppling device for the children's learning desk according to claim 1, wherein the cavity is formed in the desk leg (5), the through groove is formed in the lower end of the desk leg (5), the through groove is mutually communicated with the cavity in the desk leg (5), the threaded hole is formed in the side surface of the lower end of the desk leg (5), the threaded hole is mutually communicated with the cavity in the desk leg (5), the bolt (16) is arranged in the threaded hole, the telescopic rod (18) is arranged in the cavity of the desk leg (5), the lower end of the telescopic rod (18) penetrates through the through groove in the lower end of the desk leg (5) to extend to the lower side of the desk leg (5), and the universal wheel (19) is arranged at the lower end of the telescopic rod (18).

4. The anti-toppling device of the child learning desk according to claim 1, wherein the anti-toppling structure (2) comprises a book placing plate (9), connecting rods (12) and supporting frames (15), wherein the two groups of supporting frames (15) are arranged, the supporting frames (15) are arranged between four groups of mounting holes on the upper surface of the first desk plate (6), the lower surface of each group of supporting frames (15) is fixedly connected to the upper surface of the first desk plate (6), one side of each group of supporting frames (15) is provided with a connecting rod (12), a book placing plate (9) is arranged between the two groups of connecting rods (12), the lower end side surface of each connecting rod (12) is provided with a through hole, a second rotating shaft (14) is arranged inside the through hole, one side of each second rotating shaft (14) is rotatably connected to the side surface of the supporting frames (15), the upper end side surface of each connecting rod (12) is provided with a through hole, and the first rotating shaft (13) is rotatably connected to the side surface of the book placing plate (9).

5. The anti-toppling device for the child learning table according to claim 1, wherein the limiting structure (3) comprises a spring (20) and a limiting rod (21), the spring (20) is arranged in a mounting hole on the upper surface of the first table plate (6), one end of the spring (20) is fixedly connected to the inner bottom of the mounting hole on the upper surface of the first table plate (6), the other end of the spring (20) is provided with the limiting rod (21), the lower end of the limiting rod (21) is fixedly connected to one end of the spring (20), and the other end of the limiting rod (21) penetrates through the mounting hole on the upper surface of the first table plate (6) to extend to the upper surface of the first table plate (6).

6. The anti-toppling device for a child learning table according to claim 4, wherein a baffle (10) is disposed at one end of the book placement plate (9), one side of the baffle (10) is fixedly connected to one end of the book placement plate (9), two groups of page pressing strips (11) are disposed at one side of the baffle (10), and one side of one end of each page pressing strip (11) is rotatably connected to one side of the baffle (10).