CN214449958U

CN214449958U - Portable drawing box for drawing teaching

Info

Publication number: CN214449958U
Application number: CN202022334732.8U
Authority: CN
Inventors: 张悦
Original assignee: Zhengzhou Preschool Education College
Current assignee: Zhengzhou Preschool Education College
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-10-22
Anticipated expiration: 2030-10-20

Abstract

The utility model relates to a drawing teaching equipment technical field, concretely relates to portable drawing teaching is with drawing case, the power distribution box comprises a box body, with box normal running fit's case lid, be provided with the connecting rod in the box, the fixed first telescopic link that is provided with in both ends of connecting rod, set up flutedly on two sides of box respectively, the flexible end of each first telescopic link runs through box and fixed connection fixed block, each fixed block can get into in each corresponding recess, set up the thread groove on each fixed block, each thread groove female fit threaded rod, each threaded rod fixed connection universal wheel, be provided with the blank that holds the universal wheel in the box, the universal wheel can be installed on the fixed block, thereby can push away the drawing case, use manpower sparingly.

Description

Portable drawing box for drawing teaching

Technical Field

The utility model relates to a drawing teaching equipment technical field, concretely relates to portable drawing teaching is with drawing case.

Background

In present drawing teaching, need carry the drawing case to go to the open air generally and go on, but more instrument need be deposited to current drawing case, and just can the portability to carry, it is heavier to carry inconvenient.

Simultaneously in drawing teaching, often need place the drawing board in the middle of the support of drawing the case, but at every turn only can place a drawing board, when needs contrast teaching during the teaching, need take off another drawing board of placing again with a drawing board, this process is also inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable drawing teaching is with drawing case aims at solving current teaching and draws the case and carry inconvenient problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the box comprises a box body and a box cover which is in running fit with the box body, wherein a connecting rod is arranged in the box body, first telescopic rods are fixedly arranged at two ends of the connecting rod, grooves are respectively formed in two side faces of the box body, the telescopic ends of the first telescopic rods penetrate through the box body and are fixedly connected with fixing blocks, the fixing blocks can enter the corresponding grooves, thread grooves are formed in the fixing blocks, threaded rods are in threaded fit with the thread grooves and are fixedly connected with universal wheels, and spaces for containing the universal wheels are formed in the box body.

Furthermore, two symmetrical first fixing strips are fixedly arranged on one surface of the box cover close to the box body, first supporting rods are sleeved in the first fixing strips in a sliding mode, each first supporting rod penetrates through a side plate of the box cover and is fixedly connected with a cross rod, a first long slotted hole is further formed in the box cover, each first fixing strip and each corresponding first supporting rod penetrate through the first long slotted hole, first screws are arranged on the box cover and are inserted into the first long slotted holes, the first screws are matched with first butterfly nuts, and each first butterfly nut is located on one side, close to one surface of the box body, of the box cover.

Furthermore, a second fixing strip is fixedly arranged on one surface, close to the box body, of the box cover, a second supporting rod is sleeved in the second fixing strip in a sliding mode, the second supporting rod penetrates through a side plate of the box cover and is fixedly connected with a first blocking strip, a penetrating second long slotted hole is formed in the second fixing strip, the second long slotted hole penetrates through the second supporting rod, a second screw is inserted into the second long slotted hole, the second screw is matched with the second butterfly nut, each second butterfly nut is located on one side, close to one surface of the box body, of the box cover, and a third blocking strip is fixedly arranged on one surface, far away from the box body, of the box cover.

Furthermore, a second telescopic rod is fixedly arranged on the first retaining strip, the telescopic end of the second telescopic rod penetrates through the cross rod and is fixedly connected with the second retaining strip, and a fourth retaining strip is fixedly arranged on the cross rod.

Furthermore, an accommodating groove is formed in the cross rod, and the second retaining strip can enter the accommodating groove.

Furthermore, straps are fixedly arranged on one surface of the box body, which is far away from the box cover.

The utility model provides a portable drawing teaching is with drawing case, compare with prior art and possess following beneficial effect:

(1) the utility model discloses in, through setting up connecting rod, first telescopic link, fixed block, recess, universal wheel, the universal wheel can be installed on the fixed block to can push away the drawing case, use manpower sparingly.

(2) Through setting up first fixed strip, first bracing piece, first slotted hole, horizontal pole, first screw, first butterfly nut, play flexible, fixed effect to two first bracing pieces and the cooperation of horizontal pole play the effect of pull rod, make things convenient for the removal of drawing the case more.

(3) Through setting up second fixed strip, second bracing piece, first fender and holding strip, second slotted hole, second screw, second butterfly nut, third fender and holding the strip, can pull out the second fixed strip with the second bracing piece as required to place the drawing board and keep holding between the strip at first fender and the third, make things convenient for the drawing.

(4) Through setting up second telescopic link, second fender holding strip, fourth fender holding strip, holding tank, tensile second telescopic link drives the second bracing piece and removes, and at the fixed enemy second bracing piece of suitable position department, can place the drawing board and keep off holding between strip and the second fender holding strip at the fourth, two drawing boards can be placed simultaneously to a drawing box, and convenient contrast teaching is used.

(5) The drawing board can be carried on the back when needed in use of the braces, so that the drawing board is liberated from hands and is convenient to carry.

Drawings

Fig. 1 is a front view of an embodiment of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is an enlarged view of a side view structure according to an embodiment of the present invention.

Fig. 4 is an enlarged view of a matching structure of the second retaining strip and the cross bar according to an embodiment of the present invention.

In the figure: the box body 1, the

case lid

2, 3 connecting rods, 4 first telescopic rods, 5 grooves, 6 fixed blocks, 7 universal wheels, 8 first fixed strips, 9 first supporting rods, 10 side plates, 11 cross rods, 12 first long slotted holes, 13 first butterfly nuts, 14 second fixed strips, 15 second supporting rods, 17 second long slotted holes, 18 second butterfly nuts, 19 third retaining strips, 20 second telescopic rods, 21 second retaining strips, 22 fourth retaining strips, 23 accommodating grooves and 24 braces.

Detailed Description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention, and it should be noted that, in this document, relational terms such as first and second, and the like are only used for distinguishing one entity or operation from another entity or operation, and do not necessarily require or imply any actual relation or order between the entities or operations; 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; unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, so that the specific meaning of the terms in the invention can be understood by those skilled in the art according to specific situations; the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention.

FIGS. 1-4 are schematic structural views of an embodiment of the present invention, a drawing box for portable drawing teaching, comprising a box body 1 and a box cover 2 rotatably fitted to the box body 1, the box body 1 is hinged to the box cover 2, a connecting rod 3 is provided in the box body 1, first telescopic rods 4 are fixedly provided at both ends of the connecting rod 3, grooves 5 are respectively provided on both sides of the box body 1, each groove 5 is provided near one end of the box body 1 hinged to the box cover 2, one end of each groove 5 extends to the bottom surface of the box body 1, the telescopic end of each first telescopic rod 4 penetrates through the box body 1 and is fixedly connected to a fixing block 6, each groove 5 is fitted to a corresponding fixing block 6, each fixing block 6 can enter into each corresponding groove 5, each first telescopic rod 4 can be contracted by pushing the fixing block 6, and the fixing block 6 can enter into the groove 5, each fixing block 6 is provided with a thread groove, each thread groove is internally threaded and matched with a threaded rod, one end of each threaded rod, which is positioned outside the thread groove, is fixedly connected with a universal wheel 7, a space for accommodating the universal wheel 7 is arranged in the box body 1, and the universal wheel 7 can be detached and placed into the box body 1 when not in use.

Two symmetrical first fixing strips 8 are fixedly arranged on one surface of the box cover 2 close to the box body 1, the first fixing strips 8 are parallel to longer side plates 10 of the box cover 2, first supporting rods 9 are sleeved in the first fixing strips 8 in a sliding mode, each first supporting rod 9 penetrates through the shorter side plate 10 of the box cover 2 and is fixedly connected with a cross rod 11, a first long slotted hole 12 is further formed, the first long slot 12 vertically penetrates each first fixing strip 8 and each corresponding first supporting rod 9, a first screw is fixedly arranged on the box cover 2, the first screw is inserted into the first long slotted hole 12, sequentially passes through the first fixing strip 8 and the first supporting rod 9 and extends to the outside of the first supporting rod 9, and the first screw is matched with a first butterfly nut 13, and each first butterfly nut 13 is positioned on one side of the case cover 2 close to one surface of the case body 1.

The utility model discloses in, be equipped with groove and slider on first fixed strip 8, the first bracing piece 9 respectively, avoid first bracing piece 9 to break away from first fixed strip 8 at the slip in-process, similarly, be equipped with groove and slider on second fixed strip 14, the second bracing piece 15 respectively, avoid second bracing piece 15 to break away from second fixed strip 14 at the slip in-process.

Case lid 2 is close to still fixedly on the one side of box 1 be equipped with second fixed strip 14, each second fixed strip 14 is on a parallel with each first fixed strip 8, sliding sleeve connects second bracing piece 15 in the second fixed strip 14, second bracing piece 15 runs through the shorter curb plate 10 of case lid 2 to the first fender of fixed connection holds the strip, be equipped with the second slotted hole 17 that runs through on the second fixed strip 14, second slotted hole 17 still passes second bracing piece 15, the second screw inserts second slotted hole 17 passes second fixed strip 14, second bracing piece 15 in proper order, the second screw with the cooperation of second butterfly nut 18, each second butterfly nut 18 is located case lid 2 is close to one side of box 1 one side.

Further, a second telescopic rod 20 is fixedly connected to the first retaining strip, the telescopic end of the second telescopic rod 20 penetrates through the cross rod 11 and is fixedly connected with a second retaining strip 21, a fourth retaining strip 22 is fixedly arranged on the cross rod 11, and one surface, far away from the cross rod 11, of the fourth retaining strip 22 and one surface, far away from the box cover 2, of the third retaining strip 19 are located in the same plane.

Further, case lid 2 is kept away from still fixedly on the one side of box 1 be equipped with third fender strip 19, and third fender strip 19 is on a parallel with the shorter side plate 10 of case lid 2, and third fender strip 19 sets up and is close to the one end with box 1 articulated at case lid 2, holding tank 23 has been seted up on horizontal pole 11, second fender strip 21 can enter into in the holding tank 23.

Furthermore, a strap 24 is fixedly disposed on a side of the box body 1 away from the box cover 2, and the strap 24 is of a conventional and existing structure, which is known to those skilled in the art and will not be described herein again.

The utility model discloses when using, towards the outside pulling fixed block 6 of box 1, take out universal wheel 7 from box 1, cooperation through threaded rod and thread groove, install universal wheel 7 on the drawing case, can dismantle universal wheel 7 after finishing using, stimulate each first bracing piece 9 simultaneously, screw up each first butterfly nut 13 after suitable position, make each first bracing piece 9 stop for the slip of first fixed strip 8, the hand power is being pulled horizontal pole 11 and cooperation universal wheel 7 can the push-and-pull drawing case, convenient laborsaving, unscrew each first butterfly nut 13 after finishing using, in retracting each first bracing piece 9 first fixed strip 8.

Meanwhile, when drawing or teaching is needed, the first supporting rods 9 are pulled out and fixed, the second retaining strip 21 is pulled to a proper position and drives the second supporting rod 15 to move, the second butterfly nut 18 is screwed down to fix the second supporting rod 15, the drawing board can be clamped between the third retaining strip 19 and the first retaining strip, meanwhile, the drawing board can also be placed between the fourth retaining strip 22 and the second retaining strip 21, two drawing boards are placed simultaneously during teaching, comparison and explanation are carried out, after the use is finished, the first butterfly nut 13 and the second butterfly nut 18 are unscrewed, the telescopic rod is contracted, the second retaining strip 21 enters the accommodating groove 23, and meanwhile, the first supporting rod and the second supporting rod are contracted.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Portable drawing teaching is with drawing case, including box (1), with box (1) normal running fit's case lid (2), its characterized in that: the novel universal wheel box is characterized in that a connecting rod (3) is arranged in the box body (1), first telescopic rods (4) are fixedly arranged at two ends of the connecting rod (3), grooves (5) are formed in two side faces of the box body (1) respectively, the telescopic ends of the first telescopic rods (4) penetrate through the box body (1) and fixedly connected with fixing blocks (6), the fixing blocks (6) can enter the corresponding grooves (5), thread grooves are formed in the fixing blocks (6), threaded rods are matched with the threads in the thread grooves and fixedly connected with universal wheels (7), and spaces for containing the universal wheels (7) are formed in the box body (1).

2. The portable drawing box for drawing teaching of claim 1, wherein: the box cover is characterized in that two symmetrical first fixing strips (8) are fixedly arranged on one surface, close to the box body (1), of the box cover (2), first supporting rods (9) are sleeved in each first fixing strip (8) in a sliding mode, each first supporting rod (9) penetrates through a side plate (10) of the box cover (2) and is fixedly connected with a cross rod (11), first long slotted holes (12) are further formed in the box cover (2), each first long slotted hole (12) penetrates through each first fixing strip (8) and each corresponding first supporting rod (9), first screws are arranged on the box cover (2), the first screws are inserted into the first long slotted holes (12), the first screws are matched with first butterfly nuts (13), and each first butterfly nut (13) is located on one side, close to one surface of the box body (1), of the box cover (2).

3. The portable drawing box for teaching of painting as claimed in claim 2, wherein: the box cover (2) is close to one side of the box body (1) and is further fixedly provided with a second fixing strip (14), the second fixing strip (14) is sleeved with a second supporting rod (15) in a sliding mode, the second supporting rod (15) penetrates through a side plate of the box cover (2) and is fixedly connected with a first blocking strip (16), the second fixing strip (14) is provided with a second long slotted hole (17) which penetrates through the second fixing strip, the second long slotted hole (17) penetrates through the second supporting rod (15), a second screw is inserted into the second long slotted hole (17), the second screw is matched with a second butterfly nut (18), each second butterfly nut (18) is located on one side, close to one side of the box body (1), of the box cover (2) far away from the one side of the box body (1), and is further fixedly provided with a third blocking strip (19).

4. The portable drawing box for teaching of painting as claimed in claim 3, wherein: a second telescopic rod (20) is fixedly arranged on the first retaining strip (16), the telescopic end of the second telescopic rod (20) penetrates through the cross rod (11) and is fixedly connected with a second retaining strip (21), and a fourth retaining strip (22) is fixedly arranged on the cross rod (11).

5. The portable drawing box for drawing teaching of claim 4, wherein: an accommodating groove (23) is formed in the cross rod (11), and the second retaining strip (21) can enter the accommodating groove (23).

6. The portable drawing box for drawing teaching as claimed in any one of claims 2 to 4, wherein: and straps (24) are fixedly arranged on one surface of the box body (1) far away from the box cover (2).