CN210190956U

CN210190956U - Multi-functional english education is with portable blackboard

Info

Publication number: CN210190956U
Application number: CN201920845722.5U
Authority: CN
Inventors: Wenping Che; 车文萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-03-27
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a multifunctional mobile blackboard for English education, which comprises a bottom frame and four wheel supports, wherein the four corners of the bottom frame are welded with the wheel supports, the number of the wheel supports is four, the lower ends of the wheel supports are provided with wheels, the wheel supports are rotationally connected with the wheels, the lower ends of the wheel supports are provided with wheel limit cards, the upper surface of the bottom frame is welded with the two supports, the middle parts of the supports are provided with rotating pins, a blackboard surface is arranged between the inner sides of the two supports, the lower end of the blackboard surface is provided with a filtering device shell, a filtering device and a built-in fan are arranged inside the filtering device shell, the built-in fan is arranged at the lower end of the filtering device, and dust generated by chalks in the writing process and on the blackboard cleaning process can be absorbed by the filtering device by installing the filtering device and the built-in fan below the, the dust content in the air around the blackboard is reduced.

Description

Multi-functional english education is with portable blackboard

Technical Field

The utility model belongs to the technical field of teaching equipment is relevant, concretely relates to multi-functional portable blackboard for english education.

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. The blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk. Mostly black, greenish black, white or beige. In order to adapt to different use environments, blackboards with movable wheels, electronic screen blackboards capable of being written by electronic pens and the like are arranged on the market, and due to the fact that the writing effect of chalks is better than that of various electronic pens, at present, schools in China insist on using chalks to write blackboards, but the chalks are prone to generating dust in the writing process, and the dust is also a reason that various throat respiratory diseases occur to many teachers.

The prior art has the following problems:

1. the support on the upper heavy part and the lower light part which are designed for most of movable blackboards on the market is not firm, and is easy to turn on one's side when being pushed, and a large amount of dust can be scattered in the air when using chalks to write and erase the blackboards, so that the health of teachers and students can be seriously harmed.

2. Traditional blackboard is mostly the single face and writes, can only wipe when the content that will write and influence mr's teaching effect, and the blackboard for english teaching lacks four-line check, is unfavorable for the student to develop good writing standard.

Disclosure of Invention

An object of the utility model is to provide a multi-functional portable blackboard for english education to a large amount of dust problems can appear when the chalk that proposes among the above-mentioned background art is write and is cleaned the blackboard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multi-functional portable blackboard for english education, includes chassis and wheel carrier, the wheel carrier has all been welded in the four corners position department of chassis, wheel carrier is provided with four altogether, the wheel carrier lower extreme is through being provided with the wheel, and wheel carrier and wheel are connected for rotating, the wheel carrier lower extreme is provided with the spacing card of wheel, the spacing cutting ferrule dress of wheel is on the wheel, the last surface welding of chassis has two spinal branch framves, the support middle part is provided with the rotation pin, install the blackboard face between the two spinal branch frame inboards, the lower extreme of blackboard face is provided with the filter equipment shell, inside filter equipment and the built-in fan of being provided with of filter equipment shell, the lower extreme at filter equipment is installed to built-in fan, filter equipment installs the up end at the filter equipment shell.

Preferably, a fixed knob is arranged above the rotating pin, the fixed knob is rotatably connected with the support, a handle is arranged below the rotating pin, the handle is welded with the support, and the left end of the rotating pin is inserted into the support and the right end of the rotating pin is welded on the left support of the blackboard surface.

Preferably, a fan support, a motor and fan blades are arranged in the built-in fan, the fan blades are rotatably connected with the motor through rotating shafts, and the motor is fixedly connected with the fan support through screws.

Preferably, a filter screen groove and a filter screen are arranged in the filter device, and the filter screen is fixedly connected in the filter screen groove.

Preferably, a switch is arranged on the left side of the front face of the filtering device shell, and the left side and the right side of the inside of the filtering device shell are communicated with each other to facilitate air exhaust of the filtering device.

Preferably, when the fixed knob is screwed, the blackboard surface is fixedly connected with the support, and when the fixed knob is unscrewed, the blackboard surface is rotatably connected with the support through the rotating pin.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an at blackboard face below installation filter equipment and built-in fan, the dust that the chalk produced when writing the in-process and wiping the blackboard can be absorbed by filter equipment, lets the dust content obtain reducing in the air around the blackboard.

2. The utility model discloses an underframe, support, wheel, four-wire check and rotation pin for the positive and negative of blackboard face can overturn and come, all can write the use that promotes the user and experience, and the blackboard can also be light promotion simultaneously, and the four-wire check of blackboard face printing make things convenient for mr's english to write, and the student of being convenient for develops good writing custom.

Drawings

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

FIG. 2 is a schematic structural view of the filtering device of the present invention;

fig. 3 is a schematic structural view of the built-in fan of the present invention;

in the figure: 1. a support; 2. a handle; 3. rotating the pin; 4. fixing the knob; 5. a blackboard surface; 6. a filtration device; 7. a filter housing; 8. a built-in fan is arranged; 9. a chassis; 10. a wheel support; 11. a wheel; 12. a wheel limit clamp; 13. a switch; 61. a filter screen groove; 62. filtering with a screen; 81. a fan bracket; 82. a motor; 83. a fan blade.

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, the present invention provides a technical solution: a multifunctional movable blackboard for English education comprises an underframe 9 and wheel brackets 10, wherein the wheel brackets 10 are welded at four corners of the underframe 9, wheels 11 are arranged at the lower ends of the wheel brackets 10, the wheel brackets 10 are rotatably connected with the wheels 11, wheel limit cards 12 are arranged at the lower ends of the wheel brackets 10, the wheel limit cards 12 are sleeved on the wheels 11, two brackets 1 are welded on the upper surface of the underframe 9, rotating pins 3 are arranged at the middle parts of the brackets 1, a blackboard face 5 is arranged between the inner sides of the two brackets 1, a filter device shell 7 is arranged at the lower end of the blackboard face 5, a filter device 6 and a built-in fan 8 are arranged in the filter device shell 7, a motor 82 in the built-in fan 8 is 8025S in model, the built-in fan 8 is arranged at the lower end of the filter device 6, the filter device 6 is arranged at the upper end surface of the filter device shell, the fixed knob 4 is rotatably connected with the bracket 1.

The utility model provides a multi-functional portable blackboard for english education, be provided with handle 2 including the below of rotating pin 3, handle 2 is in the same place with the welding of support 1, the left end of rotating pin 3 is pegged graft in support 1 the right-hand member welding on the left side support of blackboard face 5, be provided with fan support 81 in the built-in fan 8, motor 82 and flabellum 83, flabellum 83 rotates through axis of rotation and motor 82 and is connected, motor 82 passes through screw and fan support 81 fixed connection, be provided with filter screen groove 61 and filter screen 62 in the filter equipment 6, filter screen 62 is installed and is fixed connection in filter screen groove 61, the positive left side of filter equipment shell 7 is provided with switch 13, it has the exhaust that does benefit to filter equipment 6 to link up about the inside of filter equipment.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, pass through the portable blackboard and go up the power, produced dust part can be directly fallen into the filter equipment 6 of below because of the action of gravity when opening switch 13 and write and filtered by the filter screen in, the irregular motion can be inhaled filter equipment 6 by built-in fan 8 to remaining small dust, filter by filter screen 62, the both sides of filter equipment shell 7 are link up, consequently, the air after being filtered by filter screen 62 can be got rid of in the cavity of both sides and form the circulation, need open spacing card 12 of wheel earlier when removing the blackboard, hold handle 2 with the hand and remove the blackboard, remove the blackboard and close spacing card 12 of wheel again after the assigned position, can use the back to write after full at the front of blackboard face 5 and write at this moment need unscrew fixed knob 4 earlier, it can to screw fixed knob 4 again when waiting to transfer the blackboard into openly.

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 multi-functional portable blackboard for english education, includes chassis (9) and wheel bracket (10), its characterized in that: the four-corner-position-welding type dust collector is characterized in that wheel supports (10) are welded at four corners of the chassis (9), the number of the wheel supports (10) is four, wheels (11) are arranged at the lower ends of the wheel supports (10), the wheel supports (10) are rotatably connected with the wheels (11), wheel limit clamps (12) are arranged at the lower ends of the wheel supports (10), the wheel limit clamps (12) are sleeved on the wheels (11), two supports (1) are welded on the upper surface of the chassis (9), a rotating pin (3) is arranged in the middle of each support (1), a blackboard surface (5) is installed between the inner sides of the two supports (1), a filtering device shell (7) is arranged at the lower end of the blackboard surface (5), a filtering device (6) and a built-in fan (8) are arranged inside the filtering device shell (7), and the built-in fan (8) is installed at the lower end, the filtering device (6) is arranged on the upper end face of the filtering device shell (7).

2. The portable blackboard for multi-functional english education according to claim 1, characterized in that: the novel blackboard eraser is characterized in that a fixing knob (4) is arranged above the rotating pin (3), the fixing knob (4) is rotatably connected with the support (1), a handle (2) is arranged below the rotating pin (3), the handle (2) is welded with the support (1), and the left end of the rotating pin (3) is inserted into the support (1) and the right end of the rotating pin is welded on the left support of the blackboard surface (5).

3. The portable blackboard for multi-functional english education according to claim 1, characterized in that: a fan support (81), a motor (82) and fan blades (83) are arranged in the built-in fan (8), the fan blades (83) are rotatably connected with the motor (82) through rotating shafts, and the motor (82) is fixedly connected with the fan support (81) through screws.

4. The portable blackboard for multi-functional english education according to claim 1, characterized in that: be provided with filter screen groove (61) and filter screen (62) in filter equipment (6), filter screen (62) are installed for fixed connection in filter screen groove (61).

5. The portable blackboard for multi-functional english education according to claim 1, characterized in that: a switch (13) is arranged on the left side of the front face of the filtering device shell (7), and exhaust of the filtering device (6) is facilitated by the fact that the left side and the right side of the inside of the filtering device shell (7) are communicated.

6. The portable blackboard for multi-functional english education according to claim 2, characterized in that: blackboard face (5) and support (1) fixed connection when fixed knob (4) are screwed, blackboard face (5) rotate with support (1) through rotating pin (3) when fixed knob (4) are unscrewed and are connected.