CN114431671A

CN114431671A - Folding protection type children teaching table

Info

Publication number: CN114431671A
Application number: CN202210266196.3A
Authority: CN
Inventors: 孙卫
Original assignee: Chongqing University of Education
Current assignee: Chongqing University of Education
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-05-06

Abstract

The invention discloses a foldable protective children teaching table which comprises a foldable lifting table body, wherein a protective table plate is arranged on the foldable lifting table body, a protective elastic assembly is wrapped on the periphery of the protective table plate and comprises an annular rubber lining and an annular inflation layer, the inner side and the outer side of the annular rubber lining are respectively provided with an annular mounting groove and an annular fixing groove, the periphery of the protective table plate is arranged in the annular fixing groove, the annular inflation layer comprises a large-diameter inflation ring and a small-diameter inflation ring, the small-diameter inflation ring is fixed on the inner side wall of the large-diameter inflation ring, the small-diameter inflation ring is matched in the annular mounting groove through inflation transition, the large-diameter inflation ring abuts against the outer side of the annular mounting groove, a buffer cavity is formed between the annular mounting groove and the annular fixing groove by the annular rubber lining, and a plurality of elastic small balls are filled in the buffer cavity. The table corner and the edge of the protection table plate are protected, so that children are prevented from colliding the protection table plate to cause great injury, and the use safety of the teaching table for children is improved.

Description

Folding protection type children teaching table

Technical Field

The invention relates to the technical field of children teaching, in particular to a foldable protective type children teaching desk.

Background

The table is a common furniture, the upper part of the table is provided with a plane, the lower part of the table is provided with a support column, the table can be used for placing articles, doing things, eating, writing, working and the like on the table, the table is fixed by smooth flat plates, legs and other supports, the table can also be used as a noun in Chinese, the types of the table are rich and various in order to meet the requirements of the public, and the table can be divided into various categories according to the requirements, such as an office table, a dining table, a desk, a computer table, a teacher table and the like; the teaching desk is required to be used in the field of children teaching, the teaching desk is divided into a desk for children and an office desk for teachers, and in practice, higher requirements are found to be required for the teaching desk for the field of children teaching, for example, children like to chase after and make an alarm indoors, or children with small ages can fall down by walking, and the children can collide with the teaching desk under the conditions, the corner positions of the desktop of the existing teaching desk are sharp, so that children can easily cause great injury when colliding with corners or edges of the desk, the safety is poor, and the existing teaching desk is not suitable for the field of children teaching; secondly, current teaching table height can not be adjusted, and children are great at long body stage height difference, height between same boy girl children also has great difference, thereby be not convenient for partial children to use, children are hardly concentrated attention and are said under the teaching table is suitable for uncomfortable condition, and then influence the teaching quality, teaching table unmatched children's height simultaneously, will appear children bow or prop up the height of catering to teaching table, long-term use still influences children's physical development.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a foldable protective child teaching table, which can protect corners and edges of a protective table plate and prevent children from colliding with the protective table plate to cause great damage, so that the use safety of the child teaching table is improved.

The purpose of the invention is realized by the following technical scheme: a foldable protective child teaching desk comprises a foldable lifting desk body, wherein a protective desk plate is arranged on the foldable lifting desk body, a protective elastic assembly is wrapped on the periphery of the protective desk plate and comprises an annular rubber lining and an annular inflation layer, the inner side and the outer side of the annular rubber lining are respectively provided with an annular mounting groove and an annular fixing groove, the sections of the annular mounting groove and the annular fixing groove are U-shaped, the periphery of the protective desk plate is arranged in the annular fixing groove, the annular inflation layer comprises a large-diameter inflation ring and a small-diameter inflation ring, the small-diameter inflation ring is fixed on the inner side wall of the large-diameter inflation ring, the large-diameter inflation ring is communicated with the small-diameter inflation ring, the section of the annular inflation layer is T-shaped, the small-diameter inflation ring is matched in the annular mounting groove through inflation transition, the large-diameter inflatable ring abuts against the outer side of the annular mounting groove, a buffer cavity is formed between the annular mounting groove and the annular fixing groove by the annular rubber lining, and a plurality of elastic small balls are filled in the buffer cavity.

The technical scheme has the advantages that the corners of the protection table plate are wrapped by the annular rubber lining, so that the injury caused by the collision of a child on the protection table plate is greatly reduced, wherein the large-diameter inflation ring of the annular inflation layer is exposed on the outermost side of the annular rubber lining, the large-diameter inflation ring forms a first buffer unit, the large-diameter inflation ring is filled with gas for buffering, so that the large-diameter inflation ring has better deformation capacity and can be quickly deformed and buffer collision force after collision, the annular rubber lining forms a second buffer unit, when the collision strength is higher, the large-diameter inflation ring extrudes the annular rubber lining to deform, the annular rubber lining and the large-diameter inflation ring buffer together, the buffer effect is improved, when the collision is stronger, the annular rubber lining extrudes the deformation to the elastic small balls, the elastic small balls form a third buffer unit, and at the moment, the annular rubber lining and the large-diameter inflation ring are used for buffering, so that the impact strength is stronger, The large-diameter inflating ring and the elastic small ball buffer together, so that the protective elastic component has stronger buffer capacity, and the injury of children when colliding with the protective table plate can be greatly reduced.

Further, the annular rubber lining is fixed on the protective table plate through screws.

Furthermore, the folding lifting table body comprises a bottom plate, a rectangular frame body and a sliding frame body, the rectangular frame body is fixedly arranged on the bottom plate, the sliding frame body is arranged at the top of the rectangular frame body in a sliding mode, one end, far away from the rectangular frame body, of the sliding frame body is connected with the protection table plate, a lifting assembly is arranged in the rectangular frame body, and the lifting assembly is connected with the protection table plate.

Further, the lifting component comprises two groups of scissor-type lifting pieces, the scissor-type lifting pieces are symmetrically arranged front and back, one end of the top of each scissor-type lifting piece is hinged to the protection table plate, the other end of each scissor-type lifting piece is connected with the protection table plate in a sliding mode, one end of the bottom of each scissor-type lifting piece is hinged to the bottom plate, the other end of each scissor-type lifting piece is connected with the bottom plate in a sliding mode, the sliding ends of the bottoms of the scissor-type lifting pieces are connected through connecting rods, and telescopic mechanisms are arranged in the middle of the connecting rods.

Further, telescopic machanism includes cavity dead lever and slide bar, the one end of cavity dead lever is fixed on the inside wall of rectangle framework, and the other end slides and is provided with the slide bar, the slide bar is kept away from the one end of cavity dead lever is connected the middle part of connecting rod, cavity dead lever internal fixation has the baffle, it is provided with the lead screw to rotate on the baffle, the slide bar with lead screw threaded connection, the lead screw is kept away from the one end of slide bar passes baffle fixedly connected with telescopic link, set up the confession in the rectangle framework the through-hole that the telescopic link was worn out.

Further, the telescopic link includes the first body of rod and the second body of rod, the one end of the first body of rod with lead screw fixed connection, the rectangular channel has been seted up to the other end, the one end of the second body of rod slides and sets up in the rectangular channel, the shape of the second body of rod be with the cuboid of rectangular channel looks adaptation, the through-hole is located on the removal route of the second body of rod.

Furthermore, a blocking window is arranged at the top of the through hole in a sliding mode, and the blocking window can move along the height direction of the rectangular frame body to block the through hole.

Furthermore, a sliding groove is formed in the rectangular frame body and is communicated with the through hole, the blocking window is arranged in the sliding groove in a sliding mode, a spring is arranged in the sliding groove, two ends of the spring are respectively connected with the blocking window and the rectangular frame body, when the spring is in a normal state, the bottom of the blocking window abuts against the bottom of the through hole, and a transverse table is fixed on the outer side of the blocking bed.

Furthermore, a pull ring is fixed at one end, far away from the first rod body, of the second rod body.

Furthermore, T type spout has been seted up on the bottom plate, sliding fit has T type slide in the T type spout, the slip end of scissor lift bottom articulates on the T type slide, wherein, two the relative one end of T type slide passes through the connecting rod is connected, T type groove has been seted up to the bottom of protection table, sliding fit has T type seat in the T type groove, the slip end at scissor lift top articulates on the T type seat.

The invention has the beneficial effects that:

1. the edge angles of the protection table board are wrapped by the annular rubber lining, so that the injury caused by the collision of children on the protection table board is greatly reduced, wherein the large-diameter inflation ring of the annular inflation layer is exposed at the outermost side of the annular rubber lining, the large-diameter inflation ring forms a first buffer unit, the large-diameter inflation ring is filled with gas for buffering, so that the large-diameter inflation ring has better deformation capacity, can be quickly deformed after collision and buffers collision force, the annular rubber lining forms a second buffer unit, when the collision strength is higher, the large-diameter inflation ring extrudes the deformation of the annular rubber lining, the annular rubber lining and the large-diameter inflation ring buffer together, the buffering effect is improved, when the collision is stronger, the annular rubber lining extrudes the deformation to the elastic small balls, the elastic small balls form a third buffer unit, at the moment, the annular rubber lining, the large-diameter inflation ring and the elastic small balls buffer together, therefore, the protective elastic component has stronger buffer capacity, and the injury of children when colliding with the protective table board can be greatly reduced.

2. The children teaching table is foldable and flexible through the stretching of the scissor type lifting piece, so that the height of the protection table plate is adjusted, the height of the protection table plate can adapt to the height of children, the height suitable for use can be adjusted according to different heights, the children can use the table more comfortably, the children convenient to use the table can concentrate on attention and listen to and speak, and the growth and development of the children are not influenced.

Drawings

FIG. 1 is a perspective view of a foldable protective child teaching table according to the present invention;

FIG. 2 is a schematic view of the internal structure of a protective elastic member in a foldable protective child teaching table according to the present invention;

FIG. 3 is a schematic view of the internal structure of a foldable and protective child teaching desk according to the present invention;

FIG. 4 is a schematic view of the internal structure of the telescopic mechanism of the foldable and protective child teaching desk according to the present invention;

FIG. 5 is a schematic view of the connection between the telescoping mechanism and the connecting rod in the foldable and protective child teaching desk according to the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 3;

in the figure, 1-folding lifting table body, 2-protective table plate, 3-annular rubber lining, 4-annular inflatable layer, 5-annular installation groove, 6-annular fixed groove, 7-large diameter inflatable ring, 8-small diameter inflatable ring, 9-buffer cavity, 10-elastic ball, 11-screw, 12-bottom plate, 13-rectangular frame body, 14-sliding frame body, 15-scissor lifting piece, 16-connecting rod, 17-hollow fixed rod, 18-sliding rod, 19-clapboard, 20-screw rod, 21-telescopic rod, 22-through hole, 23-first rod body, 24-second rod body, 25-rectangular groove, 26-baffle window, 27-sliding groove, 28-spring, 29-cross platform, 30-pull ring, 32-T type sliding seat and 34-T type seat.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.

Embodiment one, as shown in fig. 1 and 2, a foldable protection type children teaching desk comprises a foldable lifting desk body 1, a protection desk plate 2 is arranged on the foldable lifting desk body 1, a protection elastic component is wrapped on the periphery of the protection desk plate 2, the protection elastic component comprises an annular rubber lining 3 and an annular inflation layer 4, an annular installation groove 5 and an annular fixing groove 6 are respectively arranged on the inner side and the outer side of the annular rubber lining 3, the sections of the annular installation groove 5 and the annular fixing groove 6 are both U-shaped, the periphery of the protection desk plate 2 is arranged in the annular fixing groove 6, the annular inflation layer 4 comprises a large-diameter inflation ring 7 and a small-diameter inflation ring 8, the small-diameter inflation ring 8 is fixed on the inner side wall of the large-diameter inflation ring 7, the large-diameter inflation ring 7 is communicated with the small-diameter inflation ring 8, the section of the annular inflation layer 4 is T-shaped, wherein the small-diameter inflation ring 8 is transitionally fitted in the annular installation groove 5 through inflation, the installation and the disassembly of the annular inflatable layer 4 are convenient, the large-diameter inflatable ring 7 is abutted against the outer side of the annular installation groove 5, the annular inflatable layer 4 can be stably arranged on the annular rubber lining 3 due to the structure, the buffer performance of the annular inflatable layer 4 is prevented from being influenced by the disassembly of the annular inflatable layer 4 from the annular rubber lining 3 by children, meanwhile, the annular inflatable layer 4 is not fixed on the annular rubber lining 3 by adopting connecting pieces such as screws and the like, so that the installation and the replacement after the damage of the annular inflatable layer 4 are convenient, the integral replacement of a protective elastic component is avoided, the replacement cost of the protective elastic component is reduced, in particular, when the annular inflatable layer 4 is leaked and damaged, the annular inflatable layer 4 is leaked and is in clearance fit with the annular fixed groove 6, so that the annular inflatable layer 4 can be easily disassembled from the annular rubber lining 3, an inflation inlet is arranged on the annular inflatable layer 4, a small-diameter inflatable ring 8 of a new annular inflatable layer 4 is arranged in the annular installation groove 5, finally, inflating the annular inflating layer 4 to enable the small-diameter inflating ring 8 to be abutted against the inner wall of the annular mounting groove 5 to deform so that the small-diameter inflating ring 8 is in transition fit in the annular mounting groove 5, and at the moment, the large-diameter inflating ring 7 is inflated to be attached to the outer side of the annular rubber lining 3 to form a first buffer unit, so that the annular inflating layer 4 can be detachably mounted on the annular rubber lining 3, and meanwhile, children can be prevented from taking down the annular inflating layer 4; the annular rubber lining 3 is provided with a buffer cavity 9 between the annular mounting groove 5 and the annular fixing groove 6, the buffer cavity 9 is filled with a plurality of elastic small balls 10, the edges and corners of the protection table board 2 are wrapped by the annular rubber lining 3, the injury caused by the collision of children on the protection table board 2 is greatly reduced, wherein the large-diameter inflating ring 7 of the annular inflating layer 4 is exposed at the outermost side of the annular rubber lining 3, the large-diameter inflating ring 7 forms a first buffer unit, the large-diameter inflating ring 7 has better deformation capability due to the fact that gas for buffering is filled in the large-diameter inflating ring 7, can be rapidly deformed and buffer collision force after being collided, the annular rubber lining 3 forms a second buffer unit, when the collision strength is higher, the large-diameter inflating ring 7 extrudes the annular rubber lining 3 to be deformed, and is buffered together with the large-diameter inflating ring 7 through the annular rubber lining 3, the buffering effect is improved, when the collision is stronger, the annular rubber lining 3 extrudes the deformation to the elastic small ball 10, the elastic small ball 10 forms a third buffer unit, and the buffer is performed through the annular rubber lining 3, the large-diameter inflation ring 7 and the elastic small ball 10, so that the protective elastic assembly has stronger buffer capacity, and the injury of children when colliding the protective table board can be greatly reduced; specifically, the annular rubber lining 3 is fixed on the protective table plate 2 through the screw 11, so that the annular rubber lining 3 can be detachably arranged on the protective table plate 2, a new annular rubber lining 3 can be detached when the annular rubber lining 3 is damaged, and the undamaged annular inflation layer 4 can be arranged on the new annular rubber lining 3, so that the annular rubber lining and the annular inflation layer can be independently replaced, and the replacement cost of the protective elastic assembly is reduced; when specifically implementing, the teaching table of this application not only is fit for children and uses, still is fit for mr's teaching and uses, makes the desk that mr's teaching was used have the safeguard effect equally to the security of the teaching table that whole improvement children teaching field was used.

In the second embodiment, as shown in fig. 3 to 6, the foldable lifting table body 1 includes a bottom plate 12, a rectangular frame 13 and a sliding frame 14, the rectangular frame 13 is fixedly disposed on the bottom plate 12, the sliding frame 14 is slidably disposed on the top of the rectangular frame 13, one end of the sliding frame 14 away from the rectangular frame 13 is connected to the protection table 2, a lifting component is disposed in the rectangular frame 13, the lifting component is connected to the protection table 2, the lifting component extends and retracts to drive the protection table 2 to move up and down, so as to adjust the use height of the protection table 2, and the sliding frame 14 is driven to move along with the protection table 2 during the movement process, the lifting component is surrounded inside by the rectangular frame 13 and the sliding frame 14, so that a child cannot touch the lifting component inside, thereby avoiding damage to the lifting component, and avoiding a large injury caused by the child hitting the lifting component, the lifting assembly comprises two groups of scissor-type lifting pieces 15, the two groups of scissor-type lifting pieces 15 are symmetrically arranged in the front and back directions, one end of the top of each scissor-type lifting piece 15 is hinged to the protection table plate 2, the other end of each scissor-type lifting piece 15 is connected with the protection table plate 2 in a sliding mode, one end of the bottom of each scissor-type lifting piece 15 is hinged to the bottom plate 12, the other end of each scissor-type lifting piece is connected with the bottom plate 12 in a sliding mode, the sliding ends of the bottoms of the two groups of scissor-type lifting pieces 15 are connected through a connecting rod 16, the middle of each connecting rod 16 is provided with a telescopic mechanism, the children teaching table can be folded and stretched through stretching of the scissor-type lifting pieces 15, the height of the protection table plates 2 can be adjusted, the height of the protection table plates 2 can be adapted to the height of children, the height suitable for being adjusted according to different heights, the children can use more comfortably, the children can conveniently listen and speak with concentrated attention, and the growth and development of the children can not be influenced; telescopic machanism drives connecting rod 16 through flexible and removes, and connecting rod 16 drives the slip end of two sets of scissors fork lift 15 and removes to change the state of scissors fork lift 15, make scissors fork lift 15 extend and improve the height of protection table 2, or contract and reduce the height of protection table 2.

Further, as shown in fig. 3 and 4, the telescopic mechanism includes a hollow fixing rod 17 and a sliding rod 18, one end of the hollow fixing rod 17 is fixed on the inner side wall of the rectangular frame 13, the other end is slidably provided with the sliding rod 18, one end of the sliding rod 18 far away from the hollow fixing rod 17 is connected to the middle part of the connecting rod 16, a partition plate 19 is fixed in the hollow fixing rod 17, a lead screw 20 is rotatably provided on the partition plate 19, the sliding rod 18 is in threaded connection with the lead screw 20, one end of the lead screw 20 far away from the sliding rod 18 penetrates through the partition plate 19 to be fixedly connected with a telescopic rod 21, a through hole 22 for the telescopic rod 21 to penetrate out is formed in the rectangular frame 13, the length of the telescopic rod 21 is adjustable, so that when the height of the protection table 2 is not adjusted, the telescopic rod 21 is retracted into the through hole 22, the change of the height of the protection table 2 caused by the use of a child is avoided, and the telescopic rod 21 is prevented from extending out of the through hole 22 to trip the child, the regulation of protection table 2 is rationally adjusted by mr according to children's height, during the regulation, make telescopic link 21 extension stretch out from through-hole 22, then drive lead screw 20 through rotating telescopic link 21 and rotate, because slide bar 18 and cavity dead lever 17 sliding connection, thereby the rotational degree of freedom of slide bar 18 has been restricted, make slide bar 18 along the axial displacement of lead screw 20, thereby drive connecting rod 16 through slide bar 18 and remove, and then drive the extension or the shrink of scissors fork lifter 15, realize the altitude mixture control of protection table 2.

Further, as shown in fig. 4, the telescopic rod 21 includes a first rod 23 and a second rod 24, one end of the first rod 23 is fixedly connected to the screw rod 20, and the other end thereof is provided with a rectangular groove 25, one end of the second rod 24 is slidably disposed in the rectangular groove 25, the second rod 24 is shaped as a rectangular parallelepiped matching the rectangular groove 25, so that the second rod 24 can only slide in the first rod 23 and cannot rotate in the first rod 23, and when the second rod 24 is rotated, the first rod 23 is driven to rotate, and the screw rod 20 is driven to rotate, the through hole 22 is located on a moving path of the second rod 24, one end of the second rod 24, which is far away from the first rod 23, is fixed with a pull ring 30, which is convenient for pulling the second rod 24 to move through the pull ring 30, and is also convenient for applying a force to rotate the telescopic rod 21, when a child is older, and the second rod 24 can slide out from the through hole, can directly take out the second body of rod 24 from the first body of rod 23 and deposit, avoid children to adjust the teaching table, when needs are adjusted, insert the second body of rod 24 again and carry out the altitude mixture control of protection table 2 in the first body of rod 23 to make telescopic link 21 and telescopic machanism's setting have the guard action to children, guarantee the security that children used.

Further, as shown in fig. 3, a T-shaped sliding slot is formed on the bottom plate 12, two sets of T-shaped sliding slots are provided, a T-shaped sliding seat 32 is slidably fitted in the T-shaped sliding slot, a sliding end at the bottom of the scissor type lifting member 15 is hinged on the T-shaped sliding seat 32, wherein one opposite ends of the two T-shaped sliding seats 32 are connected through a connecting rod 16, the T-shaped sliding seat 32 can be prevented from falling off from the T-shaped sliding slot by the fit of the T-shaped sliding slot and the T-shaped sliding seat 32, the stability of the scissor type lifting member 15 is ensured, the movement of the connecting rod 16 drives the T-shaped sliding seats 32 on the two sets of scissor type lifting members 15 to move, so that the scissor type lifting member 15 extends or contracts, a T-shaped slot is formed at the bottom of the protection table 2, a T-shaped seat 34 is slidably fitted in the T-shaped slot, a sliding end at the top of the scissor type lifting member 15 is hinged on the T-shaped seat 34, the T-shaped seat 34 is prevented from falling off from the T-shaped slot by the fit of the T-shaped seat 34, the T-shaped seat 34 will move within the T-shaped slot during extension or retraction of scissor lift 15.

Further, as shown in fig. 1 and fig. 6, a blocking window 26 is slidably disposed at the top of the through hole 22, the blocking window 26 can move along the height direction of the rectangular frame 13 to block the through hole 22, a sliding groove 27 is disposed on the rectangular frame 13, the sliding groove 27 is communicated with the through hole 22, the blocking window 26 is slidably disposed in the sliding groove 27, a spring 28 is disposed in the sliding groove 27, two ends of the spring 28 are respectively connected to the blocking window 26 and the rectangular frame 13, when the spring 28 is in a normal state, the bottom of the blocking window 26 abuts against the bottom of the through hole 22, a cross platform 29 is fixed at the outer side of the blocking bed 26, the through hole 22 is blocked by the blocking window 26, so as to prevent a child from playing with the telescopic rod 21 in the through hole 22 to cause a change in height of the protection table 2, and also prevent the child from extending fingers into the through hole 22 to cause finger injuries, when the height of the protection table 2 needs to be adjusted, the blocking window 26 needs to move upwards, one hand moves the blocking window 26 upwards through the cross platform 29, the other hand slides the second rod body 24 in the through hole 22, then the second rod body 24 is rotated to adjust the height of the protective table 2, after the adjustment is completed, the second rod body 24 is taken out or pushed into the first rod body 23, finally the blocking window 26 is released, and the blocking window 26 returns to the original position under the reaction force of the spring 28 so as to block the through hole 22.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention; and those skilled in the art will recognize that the benefits of the present invention are to be achieved only in certain circumstances, and not directly to the best use in the industry, as compared to current implementations in the prior art.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The foldable protective child teaching desk is characterized by comprising a foldable lifting desk body (1), wherein a protective desk plate (2) is arranged on the foldable lifting desk body (1), a protective elastic assembly is wrapped on the periphery of the protective desk plate (2), the protective elastic assembly comprises an annular rubber lining (3) and an annular inflatable layer (4), annular mounting grooves (5) and annular fixing grooves (6) are respectively formed in the inner side and the outer side of the annular rubber lining (3), the sections of the annular mounting grooves (5) and the annular fixing grooves (6) are U-shaped, the periphery of the protective desk plate (2) is arranged in the annular fixing grooves (6), the annular inflatable layer (4) comprises a large-diameter inflatable ring (7) and a small-diameter inflatable ring (8), and the small-diameter inflatable ring (8) is fixed on the inner side wall of the large-diameter inflatable ring (7), big footpath aerify ring (7) with path aerifys ring (8) intercommunication, the cross-section on layer (4) is aerifyd to the annular is the T font, wherein, path aerifys ring (8) and is in through aerifing the transition adaptation in annular mounting groove (5), big footpath aerifys ring (7) and supports the outside of annular mounting groove (5), annular rubber lining (3) are formed with cushion chamber (9) between annular mounting groove (5) and annular fixed slot (6), cushion chamber (9) intussuseption is filled with a plurality of elasticity bobbles (10).

2. A collapsible guard type child education table according to claim 1, wherein the ring-shaped rubber liner (3) is fixed to the guard table plate (2) by means of screws (11).

3. The foldable protective children teaching table according to claim 1, wherein the foldable lifting table body (1) comprises a bottom plate (12), a rectangular frame body (13) and a sliding frame body (14), the rectangular frame body (13) is fixedly arranged on the bottom plate (12), the sliding frame body (14) is slidably arranged on the top of the rectangular frame body (13), one end of the sliding frame body (14) far away from the rectangular frame body (13) is connected with the protective table plate (2), and a lifting assembly is arranged in the rectangular frame body (13) and connected with the protective table plate (2).

4. A foldable protective children's teaching desk according to claim 3, wherein the lifting assembly comprises two sets of scissor lift members (15), the two sets of scissor lift members (15) are symmetrically arranged in front and back, one end of the top of the scissor lift members (15) is hinged to the protective desk (2), the other end is slidably connected to the protective desk (2), one end of the bottom of the scissor lift members (15) is hinged to the bottom plate (12), the other end is slidably connected to the bottom plate (12), the sliding ends of the bottoms of the two sets of scissor lift members (15) are connected through a connecting rod (16), and a telescopic mechanism is arranged in the middle of the connecting rod (16).

5. The collapsible, protective child teaching table according to claim 4, the telescopic mechanism comprises a hollow fixed rod (17) and a sliding rod (18), one end of the hollow fixed rod (17) is fixed on the inner side wall of the rectangular frame body (13), the other end is provided with the sliding rod (18) in a sliding way, one end of the sliding rod (18) far away from the hollow fixed rod (17) is connected to the middle part of the connecting rod (16), a clapboard (19) is fixed in the hollow fixing rod (17), a screw rod (20) is rotatably arranged on the clapboard (19), the sliding rod (18) is in threaded connection with the screw rod (20), one end of the screw rod (20) far away from the sliding rod (18) penetrates through the partition plate (19) to be fixedly connected with an expansion rod (21), the rectangular frame body (13) is provided with a through hole (22) through which the telescopic rod (21) penetrates.

6. The foldable protective children teaching desk according to claim 5, wherein the telescopic rod (21) comprises a first rod (23) and a second rod (24), one end of the first rod (23) is fixedly connected with the screw rod (20), the other end of the first rod is provided with a rectangular groove (25), one end of the second rod (24) is slidably arranged in the rectangular groove (25), the second rod (24) is shaped like a cuboid matched with the rectangular groove (25), and the through hole (22) is located on a moving path of the second rod (24).

7. The foldable protective children's teaching desk according to claim 6, wherein a window (26) is slidably disposed on the top of the through hole (22), and the window (26) can move along the height direction of the rectangular frame (13) to shield the through hole (22).

8. The foldable protective children teaching desk according to claim 7, wherein a sliding groove (27) is formed in the rectangular frame (13), the sliding groove (27) is communicated with the through hole (22), the window (26) is slidably disposed in the sliding groove (27), a spring (28) is disposed in the sliding groove (27), two ends of the spring (28) are respectively connected with the window (26) and the rectangular frame (13), when the spring (28) is in a normal state, the bottom of the window (26) is abutted against the bottom of the through hole (22), and a cross platform (29) is fixed on the outer side of the blocking bed (26).

9. A collapsible child teaching table according to claim 6, wherein a pull ring (30) is fixed to the end of the second bar (24) remote from the first bar (23).

10. A foldable and protective children's teaching desk according to claim 4, wherein a T-shaped sliding groove is formed in the bottom plate (12), a T-shaped sliding seat (32) is slidably fitted in the T-shaped sliding groove, the sliding end of the bottom of the scissor type lifting piece (15) is hinged on the T-shaped sliding seat (32), wherein the two opposite ends of the T-shaped sliding seat (32) are connected through the connecting rod (16), a T-shaped groove is formed in the bottom of the protective desk plate (2), a T-shaped seat (34) is slidably fitted in the T-shaped groove, and the sliding end of the top of the scissor type lifting piece (15) is hinged on the T-shaped seat (34).