CN212422651U

CN212422651U - Sliding-folding type multiple blackboard

Info

Publication number: CN212422651U
Application number: CN202021053572.3U
Authority: CN
Inventors: 严卫华
Original assignee: Jiangxi Siluo Technology Co ltd
Current assignee: Jiangxi Siluo Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-01-29
Anticipated expiration: 2030-06-10

Abstract

The utility model relates to a teaching equipment technical field just discloses a slide and fold multiple blackboard of formula, including fixed frame. This slide and fold multiple blackboard of formula, provide through left panel and right panel and write the space, write the back full, promote the right panel left, make the second gyro wheel slide in the second guide way along the arc guide way from first guide way, the bull stick in the fixed slot also can drive the rotatory in-process of connecting rod and remove left simultaneously, make the right panel remove to the front of left panel, continue to promote the right panel left, the second gyro wheel moves left in the second guide way, the pulley moves left in the spout, make the front of left panel cover by the right panel completely, thereby expose the backplate that is located the right panel back, can continue to write on the backplate, write and finish the back and drive the right panel and slide to rightmost side, expose the left half of backplate and continue to write, compare traditional blackboard, write the area and increased one time, reached and written the big mesh of area.

Description

Sliding-folding type multiple blackboard

Technical Field

The utility model relates to a teaching equipment technical field specifically is a slide and fold multiple blackboard of formula.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching.

Various blackboards on the market at present generally have the defect of small writing area, a common blackboard only has a cuboid area for writing when in use, if the writing amount is large, the original handwriting needs to be erased after writing is finished each time, and writing can be additionally carried out, so that the time of the class part is wasted on erasing the blackboard, and the part of the content written in front possibly needs to be used at the back, which causes inconvenience, and a slide-folding type multiple blackboard is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a slide and fold multiple blackboard of formula possesses the advantage such as writing the area big, has solved general blackboard and has only write in a cuboid region when using, if write the volume great, then write at every turn and all need wipe original handwriting after finishing, just can write in addition, the time that just so leads to the part of going to lessons is wasted on wiping the blackboard, and the partial content that probably preceding writing still needs to be used behind, can cause inconvenient problem.

(II) technical scheme

In order to realize the large writing area, the utility model provides a following technical scheme: a sliding-folding type multiple blackboard comprises a fixed frame, wherein a left panel is movably arranged in the fixed frame, a sliding groove is formed in the front surface of the left panel, a pulley is movably arranged in the sliding groove, a connecting rod is fixedly connected to the right side of the pulley, a right panel is movably arranged in the fixed frame, a fixing groove is formed in the back surface of the right panel, a rotating rod positioned on the inner side of the connecting rod is movably arranged in the fixing groove, round rods are fixedly arranged at the top and the bottom of the left panel and the right panel respectively, a first roller is movably arranged at the outer side of each round rod positioned at the top and the bottom of the left panel, a second roller is movably arranged at the outer side of each round rod positioned at the top and the bottom of the right panel respectively, first guide grooves are formed in the top wall and the bottom wall of the inner cavity of the fixed frame respectively, and second guide, arc guide way has all been seted up to the roof and the diapire of fixed frame inner chamber, the positive fixed mounting of fixed frame has the staple, the left side fixed mounting of fixed frame has the ruler to place the frame, the right side fixed mounting of fixed frame has spacing hook, the outside swing joint of spacing hook has the sleeve, telescopic outside fixed mounting has the chalk box.

Preferably, the fixed frame is the cuboid of inside hollow and positive disappearance, the inside of fixed frame and the back fixed mounting who is located left panel and right panel have the backplate.

Preferably, the number of the sliding grooves is two, and the two sliding grooves are symmetrically distributed on the upper side and the lower side of the central axis of the left panel.

Preferably, the round bar is located inside the first guide groove, and the size of the first roller and the size of the second roller are matched with the size of the first guide groove.

Preferably, the widths of the first guide groove, the second guide groove and the arc-shaped guide groove are equal, and the first guide groove and the second guide groove are communicated with each other through the arc-shaped guide groove.

Preferably, the frame is placed to the ruler is the cuboid of inside hollow and top surface disappearance, spacing hook is L shape spatial structure.

(III) advantageous effects

Compared with the prior art, the utility model provides a slide and fold multiple blackboard of formula possesses following beneficial effect:

1. this slide and fold multiple blackboard of formula, provide through left panel and right panel and write the space, write the back full, promote the right panel left, make the second gyro wheel slide in the second guide way along the arc guide way from first guide way, the bull stick in the fixed slot also can drive the rotatory in-process of connecting rod and remove left simultaneously, make the right panel remove to the front of left panel, continue to promote the right panel left, the second gyro wheel moves left in the second guide way, the pulley moves left in the spout, make the front of left panel cover by the right panel completely, thereby expose the backplate that is located the right panel back, can continue to write on the backplate, write and finish the back and drive the right panel and slide to rightmost side, expose the left half of backplate and continue to write, compare traditional blackboard, write the area and increased one time, reached and written the big mesh of area.

2. This slide and fold multiple blackboard of formula, through the setting of staple, pass the front of fixed frame with it and insert the wall, can fix fixed frame, accomplish the installation of whole blackboard, place the setting of frame through the ruler, can insert the ruler that the volume is great and place in the frame, save space, and through the setting of the spacing hook on right side, can be with the left muffjoint of chalk box in the spacing hook outside, accomplish the fixed of chalk box, be convenient for conveniently take, reached the purpose that facilitates the use.

Drawings

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

fig. 2 is a schematic view of the top wall structure of the fixing frame inner cavity of the utility model;

fig. 3 is a schematic view of the connection structure of the left panel and the right panel of the present invention.

In the figure: the chalk box comprises a fixing frame 1, a left panel 2, a sliding groove 3, a pulley 4, a connecting rod 5, a right panel 6, a fixing groove 7, a rotating rod 8, a round rod 9, a first roller 10, a second roller 11, a first guide groove 12, a second guide groove 13, an arc-shaped guide groove 14, a fixing nail 15, a ruler placing frame 16, a limiting hook 17, a sleeve 18 and a chalk box 19.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a sliding-folding type multiple blackboard comprises a fixed frame 1, a left panel 2 is movably mounted inside the fixed frame 1, a sliding groove 3 is formed in the front surface of the left panel 2, the number of the sliding grooves 3 is two, the two sliding grooves 3 are symmetrically distributed on the upper side and the lower side of the central axis of the left panel 2, a pulley 4 is movably mounted inside the sliding groove 3, a connecting rod 5 is fixedly connected to the right side of the pulley 4, a right panel 6 is movably mounted inside the fixed frame 1, the fixed frame 1 is a cuboid which is hollow inside and lacks in the front, a back plate is fixedly mounted inside the fixed frame 1 and positioned on the back surfaces of the left panel 2 and the right panel 6, a fixed groove 7 is formed in the back surface of the right panel 6, a rotating rod 8 positioned inside the connecting rod 5 is movably mounted inside the fixed groove 7, round rods 9 are fixedly mounted at the top and the bottom of the left panel 2 and the right panel 6, and a first, the outer side of the round rod 9 positioned at the top and the bottom of the right panel 6 is movably provided with a second roller 11, the top wall and the bottom wall of the inner cavity of the fixed frame 1 are both provided with a first guide groove 12, the round rod 9 is positioned inside the first guide groove 12, the sizes of the first roller 10 and the second roller 11 are both matched with the size of the first guide groove 12, the top wall and the bottom wall of the inner cavity of the fixed frame 1 are both provided with a second guide groove 13, the top wall and the bottom wall of the inner cavity of the fixed frame 1 are both provided with an arc-shaped guide groove 14, a writing space is provided by the left panel 2 and the right panel 6, after the writing is completed, the right panel 6 is pushed leftwards, so that the second roller 11 slides into the second guide groove 13 from the first guide groove 12 along the arc-shaped guide groove 14, meanwhile, the rotating rod 8 in the fixed groove 7 can also drive the connecting rod 5 to move leftwards in the rotating process, so that the right panel 6 moves to, the second roller 11 moves to the left in the second guide groove 13, the pulley 4 moves to the left in the sliding groove 3, so that the front of the left panel 2 is completely covered by the right panel 6, thereby exposing the back panel positioned at the back of the right panel 6, writing can be continued on the back panel, after writing is finished, the left panel 2 drives the right panel 6 to slide to the rightmost side, and the left half side of the back panel is exposed for continuing writing, compared with the traditional blackboard, the writing area is doubled, the purpose of large writing area is achieved, the widths of the first guide groove 12, the second guide groove 13 and the arc-shaped guide groove 14 are equal, the first guide groove 12 and the second guide groove 13 are communicated with each other through the arc-shaped guide groove 14, the front of the fixed frame 1 is fixedly provided with a fixing nail 15, the left side of the fixed frame 1 is fixedly provided with a ruler placing frame 16, the right side of the fixed frame 1 is fixedly provided with a limiting hook 17, the ruler placing frame 16 is a, spacing hook 17 is L shape spatial structure, the outside swing joint of spacing hook 17 has sleeve 18, sleeve 18's outside fixed mounting has chalk box 19, setting through staple 15, pass its front and insert the wall of fixed frame 1, can fix fixed frame 1, accomplish the installation of whole blackboard, place the setting of frame 16 through the ruler, can insert the ruler that the volume is great and place in the frame 16, save space, and through the setting of spacing hook 17 on right side, can overlap the left sleeve 18 of chalk box 19 in the spacing hook 17 outside, accomplish the fixing of chalk box 19, be convenient for take by hand, the purpose that facilitates the use has been reached.

To sum up, the slide-stack multiple blackboard provides a writing space through the left panel 2 and the right panel 6, after the blackboard is full, the right panel 6 is pushed leftwards, so that the second roller 11 slides into the second guide groove 13 from the first guide groove 12 along the arc-shaped guide groove 14, meanwhile, the rotating rod 8 in the fixed groove 7 also moves leftwards in the process of driving the connecting rod 5 to rotate, so that the right panel 6 moves to the front of the left panel 2, the right panel 6 continues to be pushed leftwards, the second roller 11 moves leftwards in the second guide groove 13, the pulley 4 moves leftwards in the sliding groove 3, so that the front of the left panel 2 is completely covered by the right panel 6, thereby exposing the back panel on the back of the right panel 6, writing can continue on the back panel, after writing, the left panel 2 drives the right panel 6 to slide rightmost, the left half side of the back panel is exposed, writing continues, compared with the traditional blackboard, the writing area is doubled, the purpose of large writing area is achieved.

Moreover, the fixing nail 15 is arranged, the fixing nail penetrates through the front face of the fixing frame 1 and is inserted into a wall face, the fixing frame 1 can be fixed, the installation of the whole blackboard is completed, the ruler with larger volume can be inserted into the ruler placing frame 16 through the arrangement of the ruler placing frame 16, the space is saved, the sleeve 18 at the left side of the chalk box 19 can be sleeved outside the limiting hook 17 through the arrangement of the limiting hook 17 at the right side, the fixation of the chalk box 19 is completed, the chalk box is convenient to take conveniently, the purpose of convenient use is achieved, the problem that the common blackboard only needs to be written in a cuboid area when in use is solved, if the writing amount is larger, the original handwriting needs to be erased after each writing is completed, the additional writing can be performed, the time of the previous class part is wasted on the blackboard, and the part of the previous writing possibly needs to be used later, inconvenience may be caused.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a slide and fold multiple blackboard of formula, includes fixed frame (1), its characterized in that: the inside movable mounting of fixed frame (1) has left panel (2), spout (3) have been seted up in the front of left panel (2), the inside movable mounting of spout (3) has pulley (4), the right side fixedly connected with connecting rod (5) of pulley (4), the inside movable mounting of fixed frame (1) has right panel (6), fixed slot (7) have been seted up at the back of right panel (6), the inside movable mounting of fixed slot (7) has bull stick (8) that is located connecting rod (5) inboard, the top and the bottom of left panel (2) and right panel (6) all fixedly mounted have round bar (9), the outside movable mounting of round bar (9) that is located left panel (2) top and bottom has first gyro wheel (10), be located right panel (6) top and bottom the outside movable mounting of round bar (9) has second gyro wheel (11), first guide way (12) have all been seted up to the roof and the diapire of fixed frame (1) inner chamber, second guide way (13) have all been seted up to the roof and the diapire of fixed frame (1) inner chamber, arc guide way (14) have all been seted up to the roof and the diapire of fixed frame (1) inner chamber, the positive fixed mounting of fixed frame (1) has staple (15), the left side fixed mounting of fixed frame (1) has the ruler to place frame (16), the right side fixed mounting of fixed frame (1) has spacing hook (17), the outside swing joint of spacing hook (17) has sleeve (18), the outside fixed mounting of sleeve (18) has chalk box (19).

2. The slide-folding multiple blackboard according to claim 1, characterised in that: fixed frame (1) is the cuboid of inside hollow and positive disappearance, the inside of fixed frame (1) and the back fixed mounting who is located left panel (2) and right panel (6) have the backplate.

3. The slide-folding multiple blackboard according to claim 1, characterised in that: the quantity of spout (3) is two, two spout (3) are the upper and lower both sides of symmetric distribution in left surface board (2) axis.

4. The slide-folding multiple blackboard according to claim 1, characterised in that: the round bar (9) is located inside the first guide groove (12), and the sizes of the first roller (10) and the second roller (11) are matched with the size of the first guide groove (12).

5. The slide-folding multiple blackboard according to claim 1, characterised in that: the widths of the first guide groove (12), the second guide groove (13) and the arc-shaped guide groove (14) are equal, and the first guide groove (12) and the second guide groove (13) are communicated with each other through the arc-shaped guide groove (14).

6. The slide-folding multiple blackboard according to claim 1, characterised in that: frame (16) is placed to the ruler for the cuboid of inside hollow and top surface disappearance, spacing hook (17) are L shape spatial structure.