CN213007261U - Portable folding white board - Google Patents

Abstract

The utility model relates to the technical field of teaching aids, in particular to a portable folding whiteboard, which comprises at least two substrates, wherein a folding connecting piece which can enable the adjacent substrates to be mutually folded is arranged between the adjacent substrates, and the substrates form a whiteboard body after being unfolded; the front surface of the base plate is detachably connected with a polyester plate, and the back surface of the base plate is detachably connected with a supporting piece. The utility model provides a blank body that the base plate is collapsible or expand, forms during the expansion and can be used for writing the teaching, conveniently carries after folding, has solved among the prior art great and inconvenient problem of carrying of blank occupation space, sets up the polyester board simultaneously on the base plate, conveniently writes to promote outdoor teaching quality.

Description

Portable folding white board

Technical Field

The utility model relates to a teaching aid technical field, concretely relates to foldable blank convenient to carry.

Background

In order to cultivate the comprehensive ability of students, the existing teaching mode is no longer limited to the teaching mode in the classroom, more and more teaching is developed outside the classroom at present, especially for some courses with stronger real operability, outdoor or on-site teaching needs to be carried out, for example, students who study paintings need to go to the outdoor to paint from life, students who study machinery need to visit on the spot to study mechanical mechanisms, sports courses who go on the outdoor simultaneously, or simple in order to promote the interest of the courses, the courses are set outdoors to promote the interest of the students. When teaching is carried out outdoors, complete oral explanation is not needed, the content of the explanation needs to be recorded, the whole course content can be conveniently presented or summarized, in order to record the teaching content, a white board for recording needs to be designed, the whole volume of the existing white board is large, and the existing white board is inconvenient to carry during carrying; meanwhile, the existing white board cannot be stably fixed, and the white board is easy to damage, so that the teaching quality is influenced due to difficulty in writing during teaching.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is anticipated to provide a portable's foldable blank to solve among the prior art great and inconvenient problem of carrying of blank occupation space.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a portable folding whiteboard comprises at least two base plates, wherein a folding connecting piece capable of enabling the adjacent base plates to be mutually folded is arranged between the adjacent base plates, and the base plates form a whiteboard body after being unfolded; the front surface of the base plate is detachably connected with a polyester plate, and the back surface of the base plate is detachably connected with a supporting piece.

The principle of the technical scheme is as follows: the whiteboard body is formed by at least two substrates, the adjacent substrates are connected with each other through the folding connecting piece, when outdoor teaching is required, the adjacent substrates are opened, so that all the substrates form the whiteboard body with the area larger than that of a single substrate, the polyester plate is detachably connected to the front surface of each substrate, writing teaching is directly carried out on the polyester plate in the teaching process, and the support piece stably supports the whiteboard body in the writing teaching process, so that the teaching is more smoothly carried out; and when the whiteboard is carried before the teaching is needed or after the teaching is finished, the adjacent substrates are folded to reduce the whole occupied area of the whiteboard, so that the whiteboard is more convenient to carry.

The beneficial effects of this technical scheme lie in: in the scheme, only when the whiteboard body needs to be used, the base plate is opened to form the whiteboard body with a larger area, so that the teaching content is conveniently and completely presented, and in the carrying process, the adjacent base plates are mutually folded to reduce the whole occupied space of the whiteboard, so that the whiteboard is convenient to carry and convenient to operate; simultaneously, can dismantle in the front of base plate in this application and be connected with the polyester board, the polyester board has weatherability, anti chemical stability is good, the water absorption rate is low, weak acid and organic solvent resistance, size stability, it is wear-resisting, the performance characteristics that mechanical strength is high, be particularly suitable for outdoor use, the polyester board has good printing simultaneously, writing performance, when utilizing the blank body to teach, can make and write smoothly, and the polyester board can dismantle the front of connecting at the base plate, after the polyester board damages, can quick replacement polyester board, cause after avoiding the polyester board to damage to write inconvenient or the teaching content shows unclear problem, effectively promote the teaching quality.

Further, the support piece comprises a base and a support rod, a clamping portion for clamping the end portion of the support rod is arranged on the whiteboard body, a placing groove capable of placing the whiteboard body and the support rod simultaneously is formed in the base, and the placing grooves in the whiteboard body, the support rod and the base form a triangular stabilizing structure.

In this scheme, set up the standing groove on the base, after putting into the standing groove with blank body and bracing piece, the top of bracing piece and the block portion block on the blank body, the bottom of bracing piece and the bottom of blank body offset with two just right lateral walls in the standing groove respectively, thereby make the blank body, bracing piece and standing groove form the triangle-shaped structure, blank body and bracing piece are all died by "card", when writing the teaching on the blank body, the bracing piece can provide stable support to the blank body, thereby be favorable to teaching to accomplish smoothly.

Further, the bracing piece includes horizontal straight portion and the supporting part of fixed connection on horizontal straight portion, and horizontal straight portion is arranged in the standing groove, and the quantity of supporting part equals the quantity of base plate and supporting part and base plate one-to-one set up.

In the scheme, the supporting rods are preferably arranged into a structure of the transverse straight part and the supporting parts connected to the transverse straight part, and the transverse straight part is positioned in the placing groove, so that the contact area between the transverse straight part and the placing groove is larger, and the supporting rods can conveniently provide more stable support for the whiteboard body; simultaneously, set the quantity of supporting part to unanimous with base plate quantity, and every base plate homoenergetic obtains the support of a supporting part for the blank body of constituteing by the base plate is more stable.

Further, the supporting part comprises a fixed rod and a movable rod which is in threaded connection with the fixed rod, and the fixed rod is fixedly connected with the transverse straight part.

In this scheme, more preferably, set the supporting part to mutual threaded connection's dead lever and movable rod, dead lever fixed connection is in horizontal straight portion, and through the threaded connection degree of depth of movable rod and dead lever, adjust the support length that movable rod and dead lever formed to inclination between whiteboard body and the base is adjusted, makes the user can adjust the inclination of whiteboard body according to self custom, so that accomplish the teaching more comfortablely.

Furthermore, the horizontal straight part is detachably connected with an anti-skid sleeve.

In this scheme, more optimally, can dismantle in the horizontal straight portion and be connected with the antiskid cover, promote the frictional force between horizontal straight portion and the standing groove bottom surface and the lateral wall to reduce and lead to the fact the unstable condition of blank body because of horizontal straight portion slides along the standing groove when writing on the blank body.

Further, the folding connector includes a hinge fixedly attached to the back of the base plate.

In the scheme, two adjacent substrates are connected by using the hinge, so that the folding is convenient and the operation is simple; simultaneously, the hinge is located the back of base plate, can avoid the hinge to be located the base plate on the one hand and openly and influence the positive integrality of blank body, avoid hinge junction convex-concave uneven and influence to write, on the other hand, the hinge is located the back of base plate, when writing, the front of blank body receives the extrusion force when writing, set up the hinge at the back of base plate this moment, lateral wall extrusion each other between the adjacent base plate when writing, be favorable to the base plate to be in the state of expanding and form stable blank body, can avoid writing the in-process base plate and rotate to folding state because of the atress is automatic.

Furthermore, the folding connecting piece also comprises a rotating block and a first clamping block clamped with the rotating block, and the rotating block and the first clamping block are respectively positioned on the two adjacent base plates.

Compared with the method that only the hinge is arranged on the back of the base plate to prevent the base plate from being folded automatically, if the back of the base plate is stressed, the base plate is easy to rotate to a state that the back of the base plate is attached due to external force. In this scheme, more preferably, set up turning block and the first fixture block that can block each other, when opening the base plate and form the blank body, with turning block and the first fixture block between two adjacent base plates to make two adjacent base plates fixed, make the structure of blank body more firm, write more conveniently smoothly and accomplish the teaching.

Furthermore, a second clamping block which can be clamped with the rotating block is fixedly connected to the base plate where the rotating block is located.

In this scheme, more preferably, fixedly connected with can with the second fixture block of turning block on the base plate at turning block place, when folding and carrying the base plate, with turning block to second fixture block in, the turning block rotates at will when avoiding carrying the blank, influences the convenience of carrying.

Further, two adjacent base plates are fixedly connected with a magnet and an iron block respectively, and the magnet and the iron block attract each other after the two adjacent base plates are folded.

In this scheme, more preferably, after the base plate is folding, magnet and the iron plate inter attraction that sets up on the adjacent base plate avoid the base plate to open automatically, conveniently carry.

Further, still dispose the package that holds that is used for holding the blank, hold the open-top of package and open-ended side fixedly connected with zip fastener.

In this scheme, the utilization holds the package and holds the blank for it is more convenient when carrying the blank.

Drawings

Fig. 1 is a schematic front view of a portable folding whiteboard according to an embodiment of the present invention.

Fig. 2 is a back view of fig. 1.

Fig. 3 is a schematic view of a portable folding whiteboard containing bag according to an embodiment of the present invention.

Fig. 4 is a schematic connection diagram of three substrates of a portable folding whiteboard according to a second embodiment of the present invention.

Fig. 5 is a schematic back view of a portable folding whiteboard according to a third embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: base plate 1, blank body 2, base 3, bracing piece 4, horizontal straight portion 41, supporting part 42, hinge 5, turning block 6, first fixture block 7, second fixture block 8, magnet 9, iron plate 10, hold package 11, dead lever 421, movable rod 422.

Example one

The first embodiment is substantially as shown in figures 1, 2 and 3: a portable folding whiteboard comprises two base plates 1 arranged on the left and right, a folding connecting piece which can enable the adjacent base plates 1 to be mutually folded is arranged between the two base plates 1, after the two base plates 1 are connected through the folding connecting piece, the two base plates 1 can relatively rotate, and after the two base plates 1 are unfolded, the two base plates 1 are positioned in the same plane to form a whiteboard body 2 which can be used for writing; in order to facilitate writing and using on the whiteboard body 2, the front surface of the whiteboard body 2 is fixedly connected with a polyester plate by using screws, writing teaching is carried out on the polyester plate, and when the polyester plate is damaged, the whiteboard can be continuously used after being detached and replaced; meanwhile, in order to support the whiteboard body 2, a support member is detachably connected to the back surface of the base plate 1.

Referring to fig. 1 and 2, the supporting member includes a base 3 and a supporting rod 4, a placing groove is formed on the top surface of the base 3, the supporting rod 4 includes a horizontal portion 41 and two supporting portions 42 integrally formed on the horizontal portion 41, the number of the supporting portions 42 is two, both the two supporting portions 42 are perpendicular to the horizontal portion 41, the horizontal portion 41 is located in the placing groove, and the two supporting portions 42 are arranged corresponding to the two substrates 1 one by one; meanwhile, the back surface of the substrate 1 (i.e. the side surface shown by the substrate 1 in fig. 2) is provided with a clamping portion which can abut against and clamp the top end of the supporting portion 42, in this embodiment, the clamping portion includes a clamping groove which is formed in the back surface of the whiteboard body 2, the whiteboard body 2 is obliquely placed on the placing groove, the supporting portion 42 is clamped into the clamping groove, and the horizontal portion 41 is located in the placing groove, at this time, the whiteboard body 2 abuts against the left side wall of the placing groove, the horizontal portion 41 abuts against the right side wall of the placing groove, the whiteboard body 2, the supporting portion 42 and the base 3 form a triangular structure, and the supporting portion 42 provides a supporting effect for the whiteboard body 2, so that teaching can be performed on the front surface of the whiteboard body 2 (i.e. on the front side surface of the whiteboard body 2 in fig. 1). In order to prevent the horizontal straight portion 41 from sliding freely in the placing groove, an anti-slip sleeve is bonded on the horizontal straight portion 41, and in the embodiment, the anti-slip sleeve is a rubber sleeve.

As shown in fig. 2, the folding connector includes a hinge 5 fixedly connected to the back of the base plate 1 by a screw, and the two base plates 1 are connected by the hinge 5 so that the base plates 1 can be folded or unfolded; meanwhile, the folding connecting piece also comprises a rotating block 6 and a first clamping block 7 which can be clamped with the rotating block 6, the first clamping block 7 is fixedly connected on the substrate 1 at the right side through screws, a spring sheet is arranged on the right side surface of the first clamping block 7, a gap exists between the spring sheet and the first clamping block 7, the bottom end of the spring sheet and the first clamping block 7 are integrally formed, the top end of the spring sheet is a free rotating end, the left side surface at the top end of the spring sheet (namely the side surface right opposite to the first clamping block 7) is integrally formed with a bulge, the rotating block 6 is rotatably connected on the substrate 1 at the left side through a pin, so that the rotating block 6 can rotate in a plane parallel to the back surface of the substrate 1, the first clamping block 7 is fixedly connected on the substrate 1 at the right side through screws, when the two substrates 1 are unfolded to be positioned on the same plane, the rotating block 6 is manually rotated, turning block 6 at first can make the shell fragment take place elastic deformation with the protruding contact of shell fragment, make the clearance increase between shell fragment top and the first fixture block 7, and when the protruding contactless no longer on turning block 6 and the shell fragment, the shell fragment resets under self elastic action, and make turning block 6 be located the clearance between shell fragment and the first fixture block 7, can rotate turning block 6 this moment to with the shell fragment block on the first fixture block 7, make two base plates 1 further be fixed in the coplanar, thereby conveniently carry out stable writing teaching on whiteboard body 2, avoid using whiteboard body 2 time base plate 1 to receive the effect of external force and take place folding. The purpose of the present embodiment is to completely fix the two base plates 1 by the rotation block 6 and the first locking block 7, thereby avoiding the folding of the base plate 1 in the process of using the white board body 1 (if the rotating block 6 and the first clamping block 7 are not arranged, the two base plates 1 can also be rotated and folded to the state that the back surfaces of the two base plates 1 are opposite), which is closely related to the using environment of the white board body 1, when the whiteboard body 1 is used for outdoor sketching or field geological exploration, drawing paper or drawing needs to be fixed on the whiteboard body 2, and the position of the whiteboard needs to be moved when sketching or exploring, if the two base plates 1 can be folded under external force in the process of moving the white board, the drawing paper or the drawing paper can be torn and damaged, therefore, the two base plates 1 are completely fixed by the rotating block 6 and the first clamping block 7, and the damage of drawing paper or drawing paper is avoided.

As shown in fig. 2, the second fixture block 8 with the same shape and size as the first fixture block 7 is fixedly connected to the left base plate 1 through screws, so that the rotating block 6 can be conveniently rotated to be clamped with the second fixture block 8 after the two base plates 1 are folded, and the rotating block 6 can be prevented from rotating randomly after the two base plates 1 are folded; meanwhile, the magnet 9 is fixedly connected to the right side of the substrate 1, the iron block 10 is fixedly connected to the left side of the substrate 1 through screws, and the magnet 9 and the iron block 10 attract each other after the two substrates 1 are folded, so that the inconvenience of carrying caused by random unfolding of the two substrates 1 after folding is avoided. As shown in fig. 3, in this embodiment, a containing bag 11 for containing the whiteboard is further provided, a zipper is sewn on the top end of the containing bag 11 and the side of the opening, and a strap is provided on the containing bag 11.

The specific implementation mode is as follows:

when a whiteboard is needed to be used for writing teaching, the two substrates 1 are rotated to enable the two substrates 1 to rotate to be located in the same plane, at the moment, the two substrates 1 form a whiteboard body 2 which can be used for writing teaching, then the rotating block 6 is rotated to the first clamping block 7, and the two substrates 1 are fixed by utilizing the clamping effect of the rotating block 6 and the first clamping block 7; then with putting into the standing groove of whiteboard body 2 slope, make the bottom of whiteboard body 2 and the bottom contact of standing groove, the left side of whiteboard body 2 and the left side lateral wall contact of standing groove, then place bracing piece 4 into the standing groove, make the bottom contact of horizontal straight portion 41 and standing groove, and horizontal straight portion 41 offsets with the right side lateral wall of standing groove, the top of supporting part 42 is inserted into the block groove, make whiteboard body 2, supporting part 42 and base 3 form the triangle-shaped structure as in fig. 2, supporting part 42 provides stable support to whiteboard body 2, the convenience is write the teaching on whiteboard body 2.

After the completion teaching, rotate turning block 6 to the state with 8 block of second fixture block, then with two base plates 1 folding to the state of overlapping from top to bottom for blank occupation space area reduces, then place base plate 1 after will folding and bracing piece 4 and base 3 and hold in the package 11, conveniently carry the blank.

Example two

The difference between the second embodiment and the first embodiment is that: as shown in fig. 4, compared with the first embodiment in which the number of the substrates 1 is two, the present embodiment provides another arrangement method of a foldable whiteboard, where the number of the substrates 1 is three, the three substrates 1 are arranged in the left and right directions, the two substrates 1 have the same shape and size, the cross-sectional area of the middle substrate 1 is twice the area of the two substrates 1, when the substrates 1 on the two sides are folded toward the middle substrate 1, the two substrates 1 are located on the same plane after being folded, the sum of the folded sizes of the two substrates 1 is equal to the size of the middle substrate 1, and the connection method between the adjacent substrates 1 is the same as the connection method of the adjacent substrates 1 in the first embodiment, so that the folded whiteboard is convenient to carry.

EXAMPLE III

The difference between the third embodiment and the first embodiment is that: as shown in fig. 5, in this embodiment, the supporting portion 42 includes a fixed rod 421 and a movable rod 422 that are in threaded fit, the fixed rod 421 is integrally formed on the straight portion 41, and an external thread is formed on the fixed rod 421, and an internal thread that is in threaded connection with the external thread on the fixed rod 421 is formed on the movable rod 422, so that the length of the supporting portion 42 formed by the fixed rod 421 and the movable rod 422 is changed by adjusting the depth of the threaded fit between the movable rod 422 and the fixed rod 421, when the supporting portion 42 is used to support the whiteboard body 2, the inclined angle of the whiteboard body 2 is adjusted due to the change in length of the supporting portion 42, and a user can adjust the whiteboard body 2 to an inclined angle suitable for himself, thereby enabling the writing teaching; after the whiteboard has been tried out simultaneously, can adjust dead lever 421 and movable rod 422 to the shortest state to convenient storage.

It is worth pointing out that the folding whiteboard of the embodiment in this application is used for writing teaching, but is not limited to this service environment, and the folding whiteboard in this application is also suitable for showing explanation board or construction site explanation board and other outdoor occasions and uses.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. The utility model provides a portable's foldable whiteboard, includes two piece at least base plates, its characterized in that: folding connecting pieces capable of enabling the adjacent substrates to be mutually folded are arranged between the adjacent substrates, and the substrates are unfolded to form a whiteboard body; the front surface of the base plate is detachably connected with a polyester plate, and the back surface of the base plate is detachably connected with a supporting piece.

2. A portable folding whiteboard according to claim 1, wherein: the support piece comprises a base and a supporting rod, a clamping portion for clamping the end portion of the supporting rod is arranged on the whiteboard body, a placing groove capable of placing the whiteboard body and the supporting rod simultaneously is formed in the base, and the placing grooves in the whiteboard body, the supporting rod and the base form a triangular stabilizing structure.

3. A portable folding whiteboard according to claim 2, wherein: the bracing piece includes horizontal straight portion and supporting part fixed connection on horizontal straight portion, horizontal straight portion is located the standing groove, the quantity of supporting part equals the quantity of base plate and supporting part and base plate one-to-one set up.

4. A portable folding whiteboard according to claim 3, wherein: the supporting part comprises a fixed rod and a movable rod in threaded connection with the fixed rod, and the fixed rod is fixedly connected with the transverse straight part.

5. A portable folding whiteboard according to claim 4, wherein: the anti-skid sleeve is detachably connected to the horizontal straight part.

6. A portable folding whiteboard according to claim 5, wherein: the folding connector comprises a hinge fixedly connected to the back of the base plate.

7. A portable folding whiteboard according to claim 6, wherein: the folding connecting piece further comprises a rotating block and a first clamping block clamped with the rotating block, and the rotating block and the first clamping block are respectively located on the two adjacent base plates.

8. A portable folding whiteboard according to claim 7, wherein: and a second clamping block which can be clamped with the rotating block is fixedly connected to the base plate where the rotating block is located.

9. A portable folding whiteboard according to claim 8, wherein: and the two adjacent substrates are fixedly connected with a magnet and an iron block respectively, and the magnet and the iron block attract each other after the two adjacent substrates are folded.

10. A portable folding whiteboard according to any one of claims 1 to 9, wherein: still including being used for holding the package that holds of folding blank, the top opening and the open-ended side fixedly connected with zip fastener that hold the package.

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