Novel blackboard
Technical Field
The utility model relates to a teaching aid technical field specifically is a novel blackboard.
Background
The teaching aid is a general term of various appliances used for enabling students to visually and vividly understand teaching contents and appliances used by teachers during teaching. The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, has a hard board surface and is mainly used for teaching, is generally made of wood boards or ground glass and the like, and can be written on by using specific writing materials such as chalk and the like. Mostly black, greenish black, white or beige.
However, the general blackboard is big when using, also can't fold when not using, has caused and has dismantled inconvenient and deposit inconvenient problem, and general blackboard still can not be fine when using deposits article simultaneously, drops the practicality that reduces the blackboard easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel blackboard to solve general blackboard in the above-mentioned background art and size when using great, also can't fold when not using, caused to dismantle inconvenient and deposit inconvenient problem, general blackboard still can not be fine deposit article when using simultaneously, drops the problem that reduces the blackboard practicality easily.
In order to achieve the above object, the utility model provides a following technical scheme: a novel blackboard comprises an installation bottom plate, wherein the right middle section of the installation bottom plate is fixedly connected with an installation frame, the right inner wall of the installation bottom plate is provided with a positioning jack, the insides of the upper side and the lower side of the installation bottom plate are respectively provided with a sliding groove, the middle section of the rear end surface of the installation bottom plate is provided with a clamping groove, the inside of the clamping groove is movably connected with a protruding clamping strip, the other end of the protruding clamping strip is fixedly provided with a first blackboard, the inside of the bottom end of the first blackboard is provided with a storage groove, the left end surface of the first blackboard is fixedly provided with a rotating hinge, the left top end of the installation bottom plate is fixedly provided with a fixed plate, the inside of the fixed plate is movably connected with a connecting screw rod, the outside of the rotating hinge is movably provided with a second blackboard, the middle section of the top, and magnetic suction pieces are fixedly arranged on the rear end surfaces of the second blackboard and the mounting bottom plate.
Preferably, the mounting base plate is connected with the first blackboard for the cover is established, the length of mounting base plate's length less than or equal to the length of first blackboard, the inside of mounting bracket is the design of opening form.
Preferably, the number that the location jack set up is two, and two location jacks establish for the cover with the piece of closing of inserting and be connected, the block recess is connected for the block with protruding card strip, and the number that protruding card strip set up is two.
Preferably, the storage groove is designed to be concave, the first blackboard and the second blackboard are designed to be the same in size, and the external threads of the connecting screw are embedded with the internal threads of the fixing plate.
Preferably, the length of the connecting screw is greater than or equal to that of the first blackboard, and the first blackboard is connected with the second blackboard through a rotating shaft.
Preferably, the internal thread of the vertical plate is embedded with the external thread of the connecting screw rod, and the magnetic attraction pieces are mutually attracted.
Compared with the prior art, the beneficial effects of the utility model are that: the novel blackboard has the advantages that the first blackboard can slide in the installation bottom plate, the installation stability of the first blackboard can be increased by the aid of the first blackboard, the installation rack can be installed by the aid of bolts, the convenience in assembling and disassembling of the novel blackboard is guaranteed, the inserting and combining blocks can be inserted and combined in the positioning insertion holes, the fastening effect of the blackboard is increased, the flexibility of the first blackboard in back and forth dragging of the installation bottom plate is further increased by the aid of the design of the clamping grooves, the blackboard book can be conveniently displayed during teaching, the convenience in adjustment is improved, a certain number of articles can be stored in the article placing grooves, the practicability of the article placing grooves is improved, the connecting screw rod can rotate in the fixed plate, the adjusting speed of the first blackboard is limited by the aid of the limitation, the second blackboard can rotate and can be folded when not used, the occupied area of the blackboard is reduced, and the writing area of the blackboard can be conveniently, the riser can be screwed, has increased its stable effect after expanding, is convenient for write, and the piece is inhaled to magnetism simultaneously also is favorable to folding condition, the steadiness of connecting between two blackboards.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
fig. 4 is a top view structural diagram of the present invention.
In the figure: 1. mounting a bottom plate; 2. a mounting frame; 3. positioning the jack; 4. a chute; 5. clamping the groove; 6. a raised clamping strip; 7. a first blackboard; 8. a storage groove; 9. rotating the hinge; 10. a fixing plate; 11. connecting a screw rod; 12. a second blackboard; 13. a vertical plate; 14. an insertion block; 15. and a magnetic attraction sheet.
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. 1-4, the present invention provides a technical solution: a novel blackboard comprises an installation bottom plate 1, an installation frame 2 is fixedly connected to the middle section of the right side of the installation bottom plate 1, a positioning jack 3 is arranged at the inner wall of the right side of the installation bottom plate 1, sliding grooves 4 are respectively arranged inside the upper side and the lower side of the installation bottom plate 1, a clamping groove 5 is arranged in the middle section of the rear end face of the installation bottom plate 1, a protruding clamping strip 6 is movably connected inside the clamping groove 5, a first blackboard 7 is fixedly installed at the other end of the protruding clamping strip 6, an object placing groove 8 is arranged inside the bottom end of the first blackboard 7, a rotating hinge 9 is fixedly installed on the left end face of the first blackboard 7, a fixed plate 10 is fixedly installed at the top end of the left side of the installation bottom plate 1, a connecting screw rod 11 is movably connected inside the fixed plate 10, a second blackboard 12 is movably installed outside the rotating hinge 9, a vertical plate 13 is, the magnetic attraction pieces 15 are fixedly arranged on the rear end surfaces of the second blackboard 12 and the installation bottom plate 1.
The utility model discloses in: the mounting bottom plate 1 is connected with the first blackboard 7 in a sleeved mode, the length of the mounting bottom plate 1 is smaller than or equal to that of the first blackboard 7, and the inside of the mounting frame 2 is designed to be open; first blackboard 7 can slide in mounting plate 1's inside, and the help increases first blackboard 7's installation stability, and mounting bracket 2 can utilize the bolt to install simultaneously, has guaranteed the dismouting convenience of this novel blackboard.
The utility model discloses in: the number of the positioning jacks 3 is two, the two positioning jacks 3 are connected with the insertion block 14 in a sleeved mode, the clamping grooves 5 are connected with the protruding clamping strips 6 in a clamping mode, and the number of the protruding clamping strips 6 is two; the inside insertion block 14 that can insert of location jack 3 for increase the fastening effect of blackboard, and the design of block recess 5 has further increased first blackboard 7 and has made a round trip the flexibility of dragging at mounting plate 1, the show of blackboard-writing when being convenient for teach, the convenience is adjusted in the improvement.
The utility model discloses in: the object placing groove 8 is designed to be concave, the first blackboard 7 and the second blackboard 12 are designed to be the same in size, and the external thread of the connecting screw rod 11 is embedded with the internal thread of the fixing plate 10; the storage groove 8 can be used for storing a certain number of articles, the practicability of the storage groove 8 is improved, the connecting screw rod 11 can rotate inside the fixing plate 10, and the adjusting speed of the first blackboard 7 is limited.
The utility model discloses in: the length of the connecting screw rod 11 is more than or equal to that of the first blackboard 7, and the first blackboard 7 is connected with the second blackboard 12 as a rotating shaft; the second blackboard 12 can be rotated and folded when not in use, so as to reduce the floor area of the blackboard and facilitate the improvement of the writing area when in use.
The utility model discloses in: the internal thread of the vertical plate 13 is embedded with the external thread of the connecting screw rod 11, and the magnetic suction pieces 15 are mutually adsorbed; the vertical plate 13 can be screwed, so that the stability effect of the unfolded blackboard is improved, the blackboard is convenient to write, and meanwhile, the magnetic suction piece 15 is also favorable for the stability of connection between the two blackboards in a folded state.
The working principle is as follows: can utilize the bolt to install this blackboard during the use fixedly, need install this blackboard on a narrower article surface, the upset that second blackboard 12 in the back can be normal is made things convenient for, it just can to use first blackboard 7 under general state, first blackboard 7 is the design that can stretch, simultaneously if the large tracts of land of needs is write, can overturn second blackboard 12, will connect screw rod 11 simultaneously and rotate in the inside of fixed plate 10, pass the inside of riser 13 simultaneously, fix second blackboard 12, can be normal carry out the blackboard writing teaching, second blackboard 12 can be folded after finishing using, utilize magnetism to inhale piece 15 and adsorb, and mounting bracket 2 also can dismantle.
In summary, the following steps: in the novel blackboard, the first blackboard 7 can slide in the mounting base plate 1 to help increase the mounting stability of the first blackboard 7, meanwhile, the mounting frame 2 can be mounted by bolts to ensure the convenience of assembly and disassembly of the novel blackboard, the insertion blocks 14 can be inserted into the positioning insertion holes 3 to increase the fastening effect of the blackboard, and the design of the clamping grooves 5 further increases the flexibility of the first blackboard 7 in the back-and-forth dragging of the mounting base plate 1, thereby facilitating the display of blackboard writing in teaching and improving the convenience of adjustment, the storage groove 8 can be used for storing a certain number of articles to help improve the practicability of the storage groove 8, the connecting screw rod 11 can rotate in the fixing plate 10 to help limit the adjusting speed of the first blackboard 7, the second blackboard 12 can rotate and can be folded when not in use to reduce the floor area of the blackboard, also can be convenient for improve its writing area when using, riser 13 can be screwed, has increased its stable effect after expanding, is convenient for write, and magnetic attraction piece 15 also is favorable to the steadiness of connecting between two blackboards in fold condition simultaneously.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.
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.