CN212827552U

CN212827552U - Multifunctional blackboard

Info

Publication number: CN212827552U
Application number: CN202020298715.0U
Authority: CN
Inventors: 郭晓容; 吴新明
Original assignee: Sichuan Chuangze Environmental Protection Equipment Co ltd
Current assignee: Sichuan Chuangze Environmental Protection Equipment Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2021-03-30
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a multifunctional blackboard, which comprises a blackboard body, wherein a support frame is arranged under the blackboard body, the support frame comprises a first support rod, a second support rod and a third support rod, hooks are arranged at the head part and the tail part of a first telescopic rod and the head part and the tail part of a second telescopic rod, the blackboard body is placed in the hooks, a connecting block is provided with a groove at one end far away from the first telescopic rod and the second telescopic rod, the side walls at two opposite ends of the groove are provided with openings, sliding rods are arranged in the openings, the middle part of a second connecting piece is provided with a sliding groove, the sliding rods are arranged in the sliding grooves at one end of the second connecting piece, a first knob penetrates through the sliding groove at the other end of the second connecting piece to be respectively connected with the first support rod and the second support rod, a placing box is also arranged at the lower part of the second support rod, a blackboard brush is arranged in the placing box, such as: the existing blackboard can not be inclined and the blackboard brush has no dust absorption characteristic.

Description

Multifunctional blackboard

Technical Field

The utility model belongs to the technical field of teaching aid, concretely relates to multifunctional blackboard.

Background

The blackboard 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. The blackboard is generally made of wood plates or ground glass and can be written on by using specific writing materials such as chalks, and in teaching, most of blackboards are fixed on a wall, the height and the inclination angle of the blackboards cannot be adjusted, and a device for collecting chalk dust is not provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multifunctional blackboard for solve the technical problem who exists among the prior art, if: the existing blackboard can not be inclined and the blackboard brush has no dust absorption characteristic.

In order to achieve the above object, the utility model adopts the following technical scheme:

a multifunctional blackboard comprises a blackboard body, wherein a support frame is arranged below the blackboard body and comprises a first support rod, a second support rod and a third support rod, one end of the third support rod is connected with the middle part of the first support rod, the other end of the third support rod is connected with the middle part of the second support rod, the top part of the first support rod and the top part of the second support rod are respectively in hinged connection with a first connecting piece, one end far away from the first connecting piece and close to the first support rod is provided with a first telescopic rod, one end far away from the first connecting piece and close to the second support rod is provided with a second telescopic rod, the head part and the tail part of the first telescopic rod and the head part and the tail part of the second telescopic rod are respectively provided with a hook, the blackboard body is placed in the hook, the lower part of the first telescopic rod and the lower part of the second telescopic rod are respectively and fixedly connected with a connecting block, one end far away from, the blackboard eraser is characterized in that openings are formed in the side walls of two opposite ends of the groove, sliding rods are arranged in the openings, a sliding groove is formed in the middle of the second connecting piece, the sliding rods are arranged in the sliding grooves at one end of the second connecting piece, the first knob penetrates through the sliding groove at the other end of the second connecting piece and is connected with the first supporting rod and the second supporting rod respectively, a placing box is further arranged at the lower portion of the second supporting rod, a blackboard brush is placed in the placing box, and a dust collection device is arranged on the blackboard brush.

Preferably, the blackboard eraser comprises a shell, a hollow cavity is arranged in the shell, a shell cover is hinged to the top of the shell, a brush software for wiping chalk is arranged at the lower end of the cavity, a fixed plate is arranged at one end, away from the work of wiping chalk dust, of the brush software, dust suction holes are distributed on the fixed plate at equal intervals and communicated with the cavity, the dust suction device comprises a dust suction hose and a dust collector, one end of the dust suction hose extends into the cavity, the other end of the dust suction hose is externally connected with the dust collector, the brush software is fixed on the fixed plate, the dust suction holes distributed at equal intervals are formed in the fixed plate and communicated with the cavity, the dust suction hose is arranged in the cavity and connected with the dust collector, when the dust collector works, dust generated when the brush software is used for wiping the blackboard body is absorbed, and is sucked into the cavity through the dust suction holes and then, effectively absorbs chalk dust generated when the brush soft body wipes the blackboard body and is sucked into the dust collector, thereby being convenient for personnel to clean.

Preferably, a plurality of dust absorption strips are arranged in the cavity of the shell and at the lower end of the fixing plate, the dust absorption strips are distributed up and down, through holes are formed in the dust absorption strips and communicated with the dust absorption holes, and brush software is arranged between the adjacent dust absorption strips and used for fixing the brush software.

Preferably, the through-hole includes first through-hole and second through-hole, the dust absorption strip transversely is equipped with a plurality of first through-holes, radially is equipped with the second through-hole at the dust absorption strip, first through-hole is the equidistance on the dust absorption strip and distributes, first through-hole and second through-hole switch-on, the second through-hole is put through with the dust absorption hole, and when blackboard brush cleaned blackboard body, the dust catcher can be with the dust from first through-hole and second through-hole suction to the dust absorption downthehole, improve dust absorption effect.

Preferably, the brush soft body is a sponge, and the sponge is a high-quality soft body, so that the blackboard body can not be scratched when being wiped.

Preferably, the dust absorption strip is provided with a screw hole, and the dust absorption strip is fixed on the shell through a bolt.

Preferably, the bottom of the first supporting rod and the bottom of the second supporting rod are respectively provided with a universal wheel, and the universal wheels are convenient for the device to move.

Preferably, the middle part of first telescopic link and the middle part of second telescopic link all are equipped with the second knob that is used for adjusting flexible length, can adjust first telescopic link and second telescopic link according to the size of blackboard body.

The utility model has the beneficial technical effects that:

(1) a support frame is arranged below the blackboard body and comprises a first support rod, a second support rod and a third support rod, one end of the third support rod is connected with the middle part of the first support rod, the other end of the third support rod is connected with the middle part of the second support rod, the top of the first support rod and the top of the second support rod are respectively connected with a first connecting piece in a twisting manner, one end far away from the first connecting piece and close to the first support rod is provided with a first telescopic rod, one end far away from the first connecting piece and close to the second support rod is provided with a second telescopic rod, the head part and the tail part of the first telescopic rod and the head part and the tail part of the second telescopic rod are respectively provided with a hook, the blackboard body is placed in the hook and used for fixing the blackboard body, the lower part of the first telescopic rod and the lower part of the second telescopic rod are respectively and fixedly connected with a connecting block, and one end far, the relative both ends lateral wall of recess is equipped with the trompil, be equipped with the litter in the trompil, the middle part of second connection piece is equipped with the spout, the litter sets up in the spout of second connection piece one end, the spout that first knob passed the second connection piece other end is connected with first bracing piece and second bracing piece respectively, and when adjusting the inclination of blackboard body, through the inclination of adjusting the second connection piece alright accomplish the inclination of adjusting the blackboard body, the lower part of second bracing piece still is equipped with places the case, place the incasement and placed the blackboard brush, the blackboard brush is equipped with dust extraction, and dust extraction is used for absorbing the dust that the blackboard brush produced when cleaning the blackboard body.

(2) The blackboard brush comprises a shell, a hollow cavity is arranged in the shell, a shell cover is hinged to the top of the shell, a brush software for wiping chalk is arranged at the lower end of the cavity, a fixed plate is arranged at one end, away from the work of wiping chalk dust, of the brush software, dust suction holes are distributed on the fixed plate at equal intervals and communicated with the cavity, the dust suction device comprises a dust suction hose and a dust collector, one end of the dust suction hose extends into the cavity, the other end of the dust suction hose is externally connected with the dust collector, the brush is fixed on the soft fixed plate, the dust suction holes distributed at equal intervals are formed in the fixed plate and communicated with the cavity, the dust suction hose is arranged in the cavity and connected with the dust collector, when the dust collector works, dust generated when the brush software is used for wiping the blackboard body is absorbed, and is sucked into the cavity through the dust suction holes and, effectively absorbs chalk dust generated when the brush soft body wipes the blackboard body and is sucked into the dust collector, thereby being convenient for personnel to clean.

(3) The soft body of the brush is sponge, the sponge is high-quality soft body, and the blackboard body can not be scratched when being wiped.

Drawings

Fig. 1 is a schematic structural view of a multifunctional blackboard according to the present invention.

Fig. 2 is a schematic view of a blackboard brush of the multifunctional blackboard of the present invention.

Fig. 3 is a schematic view of the supporting frame structure of the multifunctional blackboard of the present invention.

Fig. 4 shows a schematic view of a dust-absorbing strip for a multi-functional blackboard of the present invention.

Fig. 5 is a schematic view of fig. 1 at a.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-5 of the present invention, and it should be apparent 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.

A multifunctional blackboard comprises a blackboard body 1, a support frame is arranged below the blackboard body 1 and comprises a first support rod 2, a second support rod 3 and a third support rod 4, one end of the third support rod 4 is connected with the middle part of the first support rod 2, the other end of the third support rod 4 is connected with the middle part of the second support rod 3, the top part of the first support rod 2 and the top part of the second support rod 3 are both in hinged connection with a first connecting piece 5, one end far away from the first connecting piece 5 and close to the first support rod 2 is provided with a first telescopic rod 6, one end far away from the first connecting piece 5 and close to the second support rod 3 is provided with a second telescopic rod 7, the head and the tail part of the first telescopic rod 6 and the head and the tail part of the second telescopic rod 7 are both provided with hooks 8, the blackboard body 1 is placed in the hooks 8, and the lower parts of the first telescopic rod 6 and the second telescopic rod 7 are both fixedly connected with, the connecting block 9 is all equipped with the recess in the one end of keeping away from first telescopic link 6 and second telescopic link 7, the both ends lateral wall that the recess is relative is equipped with the trompil, be equipped with litter 10 in the trompil, the middle part of second connection piece 11 is equipped with spout 12, litter 10 sets up in the spout 12 of second connection piece 11 one end, spout 12 that first knob 13 passed the second connection piece 11 other end is connected with first bracing piece 2 and second bracing piece 3 respectively, the lower part of second bracing piece 3 still is equipped with places case 14, place the blackboard brush 15 in the case 14, blackboard brush 15 is equipped with dust extraction.

The principle of the utility model is that: a support frame is arranged below the blackboard body 1, the support frame comprises a first support rod 2, a second support rod 3 and a third support rod 4, one end of the third support rod 4 is connected with the middle part of the first support rod 2, the other end of the third support rod is connected with the middle part of the second support rod 3, the top part of the first support rod 2 and the top part of the second support rod 3 are both in a hinged connection with a first connecting piece 5, one end far away from the first connecting piece 5 and close to the first support rod 2 is provided with a first telescopic rod 6, one end far away from the first connecting piece 5 and close to the second support rod 3 is provided with a second telescopic rod 7, the head part and the tail part of the first telescopic rod 6 and the head part and the tail part of the second telescopic rod 7 are both provided with hooks 8, the blackboard body 1 is placed in the hooks 8 and used for fixing the blackboard body 1, and the lower part of the first telescopic rod 6 and the lower part, the connecting block 9 is provided with a groove at one end far away from the first telescopic rod 6 and the second telescopic rod 7, the side walls of two opposite ends of the groove are provided with openings, a slide bar 10 is arranged in each opening, the middle part of the second connecting sheet 11 is provided with a sliding chute 12, the slide rod 10 is arranged in a sliding groove 12 at one end of a second connecting piece 11, the first knob 13 passes through the sliding groove 12 at the other end of the second connecting piece 11 and is respectively connected with the first supporting rod 2 and the second supporting rod 3, when the inclination angle of the blackboard body 1 is adjusted, the inclination angle of the blackboard body 1 can be adjusted by adjusting the inclination angle of the second connecting piece 11, the lower part of the second supporting rod 3 is also provided with a placing box 14, a blackboard eraser 15 is placed in the placing box 14, the blackboard eraser 15 is provided with a dust suction device for absorbing dust generated when the blackboard eraser 15 wipes the blackboard body 1.

Preferably, the blackboard eraser 15 comprises a casing 16, a hollow cavity 17 is arranged in the casing 16, a housing cover 18 is hinged to the top of the casing 16, a brush software 19 for wiping chalk is arranged at the lower end of the cavity 17, a fixing plate 20 is arranged at one end, away from the work of wiping chalk dust, of the brush software 19, dust suction holes 21 are equidistantly distributed in the fixing plate 20 and communicated with the cavity 17, the dust suction device comprises a dust suction hose 22 and a dust collector 23, one end of the dust suction hose 22 extends into the cavity 17, the other end of the dust suction hose is externally connected with the dust collector 23, the brush software 19 is fixed on the fixing plate 20, the dust suction holes 21 are equidistantly distributed in the fixing plate 20, the dust suction holes 21 are communicated with the cavity 17, the dust suction hose 22 is arranged in the cavity 17, the dust suction hose 22 is connected with the dust collector 23, and when the dust collector 23 works, dust generated when the brush software 19 wipes the, dust is sucked into the chamber 17 through the dust suction hole 21 and is sucked into the dust collector 23 through the hose, so that chalk dust generated when the brush software 19 wipes the blackboard body 1 is effectively absorbed and is sucked into the dust collector 23, and cleaning of personnel is facilitated.

Preferably, a plurality of dust collection strips 24 are arranged in the cavity 17 of the housing 16 and at the lower end of the fixing plate 20, the dust collection strips 24 are vertically distributed, through holes are formed in the dust collection strips 24 and communicated with the dust collection holes 21, the brush soft bodies 19 are arranged between the adjacent dust collection strips 24 and used for fixing the brush soft bodies 19, and the through holes in the dust collection strips 24 can suck dust with different heights of the brush soft bodies 19 into the dust collection holes 21.

Preferably, dust absorption strip 24 transversely is equipped with a plurality of first through-holes 25, radially is equipped with second through-hole 26 at dust absorption strip 24, first through-hole 25 is the equidistance and distributes on dust absorption strip 24, first through-hole 25 and the switch-on of second through-hole 26, second through-hole 26 and dust absorption hole 21 switch-on, when blackboard brush 15 cleaned blackboard body 1, dust catcher 23 can inhale the dust to dust absorption hole 21 in from first through-hole 25 and second through-hole 26, improves the dust absorption effect.

Preferably, the brush soft body 19 is a sponge, and the sponge is a high-quality soft body, so that the blackboard body 1 is not scratched when the blackboard body 1 is wiped.

Preferably, the dust collection strip 24 is provided with a screw hole, and the dust collection strip 24 is fixed on the shell 16 through a bolt.

Preferably, the bottom of the first support rod 2 and the bottom of the second support rod 3 are provided with universal wheels, and the universal wheels are convenient for the device to move.

Preferably, the middle part of the first telescopic rod 6 and the middle part of the second telescopic rod 7 are both provided with a second knob 27 for adjusting the telescopic length, so that the first telescopic rod 6 and the second telescopic rod 7 can be adjusted according to the size of the blackboard body 1.

In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Claims

1. The utility model provides a multifunctional blackboard, includes blackboard body (1), its characterized in that: the blackboard comprises a blackboard body (1), wherein the blackboard body comprises a first support rod (2), a second support rod (3) and a third support rod (4), one end of the third support rod (4) is connected with the middle part of the first support rod (2), the other end of the third support rod is connected with the middle part of the second support rod (3), the top of the first support rod (2) and the top of the second support rod (3) are both in hinged connection with a first connecting piece (5), one end of the first connecting piece (5) close to the first support rod (2) is provided with a first telescopic rod (6), one end of the first connecting piece (5) close to the second support rod (3) is provided with a second telescopic rod (7), the head and the tail of the first telescopic rod (6), the head and the tail of the second telescopic rod (7) are both provided with a hook (8), the blackboard body (1) is placed in the hook (8), the lower part of the first telescopic rod (6) and the lower part of the second telescopic rod (7) are both fixedly connected with a connecting block (9), grooves are arranged at one end of the connecting block (9) far away from the first telescopic rod (6) and the second telescopic rod (7), the side walls of two opposite ends of the groove are provided with openings, a sliding rod (10) is arranged in each opening, the middle part of the second connecting piece (11) is provided with a sliding chute (12), the slide rod (10) is arranged in a sliding groove (12) at one end of the second connecting piece (11), the first knob (13) passes through the sliding groove (12) at the other end of the second connecting piece (11) and is respectively connected with the first supporting rod (2) and the second supporting rod (3), the lower part of the second supporting rod (3) is further provided with a placing box (14), a blackboard brush (15) is placed in the placing box (14), and the blackboard brush (15) is provided with a dust collection device.

2. The multifunctional blackboard according to claim 1, wherein the blackboard eraser (15) comprises a casing (16), a hollow chamber (17) is arranged in the casing (16), a cover (18) is hinged to the top of the casing (16), a brush software (19) for wiping chalk is arranged at the lower end of the chamber (17), a fixing plate (20) is arranged at one end of the brush software (19) far away from the work of wiping chalk dust, dust suction holes (21) are equidistantly distributed on the fixing plate (20), the dust suction holes (21) are communicated with the chamber (17), the dust suction device comprises a dust suction hose (22) and a dust collector (23), one end of the dust suction hose (22) extends into the chamber (17), and the other end of the dust suction hose is externally connected with the dust collector (23).

3. A multi-function blackboard according to claim 2, characterised in that a plurality of dust-absorbing strips (24) are provided in the chamber (17) of the casing (16) and at the lower end of the fixed plate (20), the plurality of dust-absorbing strips (24) are distributed up and down, the brush software (19) is provided between the adjacent dust-absorbing strips (24), the dust-absorbing strips (24) are provided with through holes, and the through holes are communicated with the dust-absorbing holes (21).

4. A multi-functional blackboard according to claim 3, characterized in that the through holes include a first through hole (25) and a second through hole (26), the dust absorption strip (24) is transversely provided with a plurality of first through holes (25), the dust absorption strip (24) is radially provided with a second through hole (26), the first through hole (25) is equidistantly distributed on the dust absorption strip (24), the first through hole (25) is connected with the second through hole (26), and the second through hole (26) is connected with the dust absorption hole (21).

5. A multi-functional blackboard according to claim 3, characterised in that the brush soft body (19) is a sponge.

6. A multi-functional blackboard according to claim 4, characterised in that the dust-absorbing strip (24) is provided with screw holes, the dust-absorbing strip (24) being fixed to the casing (16) by means of bolts.

7. A multi-function blackboard according to claim 1, characterised in that the bottom of the first support bar (2) and the bottom of the second support bar (3) are provided with universal wheels.

8. A multi-functional blackboard according to claim 1, characterised in that the second knobs (27) for adjusting the extension length are provided in both the middle of the first telescopic rod (6) and the middle of the second telescopic rod (7).