CN211764562U

CN211764562U - Multifunctional blackboard eraser

Info

Publication number: CN211764562U
Application number: CN201920025659.0U
Authority: CN
Inventors: 李跃东; 张秋志
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-07
Filing date: 2019-01-07
Publication date: 2020-10-27
Anticipated expiration: 2029-01-07

Abstract

The utility model discloses a multifunctional blackboard eraser, including first connecting rod and second connecting rod, the inside of first connecting rod is equipped with the cavity, first connecting rod and second connecting rod threaded connection, be equipped with the optional wiping unit on the first connecting rod. The beneficial effects of the utility model are that, simple structure, the practicality is strong.

Description

Multifunctional blackboard eraser

Technical Field

The utility model relates to an improved blackboard eraser, in particular to a multifunctional blackboard eraser.

Background

At present, the existing blackboard eraser has the following defects:

firstly, the method comprises the following steps: the requirement of different user heights cannot be met due to the absence of a height adjusting mechanism;

secondly, the method comprises the following steps: the requirements for wiping a glass blackboard and a resin whiteboard cannot be met simultaneously;

thirdly, the method comprises the following steps: the water storage or the containing mechanism is not matched, so that the cleaning or the storage is inconvenient;

in view of the above, it is an urgent need to design a multifunctional eraser.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems and designing a multifunctional blackboard eraser.

The technical scheme of the utility model is that the multifunctional blackboard eraser comprises a first connecting rod and a second connecting rod, wherein a cavity is arranged inside the first connecting rod, the first connecting rod is in threaded connection with the second connecting rod, a selective wiping unit is arranged on the first connecting rod, the selective wiping unit comprises a first elastic supporting rod, a second elastic supporting rod, at least one connecting piece, a sponge block, a cotton cloth strip and at least one height adjusting piece, wherein,

the first elastic supporting rod and the second elastic supporting rod are respectively inserted into the first connecting rod;

the upper parts of the first elastic supporting rod and the second elastic supporting rod are respectively provided with a connecting piece, one of the connecting pieces is provided with a sponge block, and the other connecting piece is provided with a cotton cloth strip;

the height adjusting piece comprises at least one group of supporting rods, a lock and a rotating shaft, wherein,

the side surface of the first connecting rod is provided with at least one guide groove communicated with the inner cavity of the first connecting rod, and the inner side surface of the first connecting rod positioned at the notch of the guide groove is provided with at least one group of support rods;

the clamping lock is movably connected with the side surface of the first elastic support rod through a rotating shaft, the tip end of the rotating shaft extends out of the first connecting rod through a guide groove, and the clamping lock is arranged at one end of the rotating shaft extending out of the guide groove;

the other lock is movably connected with the side surface of the second elastic support rod through a rotating shaft, the tip end of the rotating shaft extends out of the second connecting rod through a guide groove, and one end of the rotating shaft extending out of the guide groove is provided with the lock;

the structure of the first elastic supporting rod is the same as that of the second elastic supporting rod, the first elastic supporting rod and the second elastic supporting rod are both folding rods, and the vertical portion of each folding rod is inserted into the cavity of the first connecting rod.

Preferably, the connecting piece comprises a mounting plate and a fixing piece, wherein,

the mounting plate is fixedly mounted at the tip of the horizontal part of the first elastic supporting rod or the second elastic supporting rod.

Preferably, the sponge block is fixedly connected with the mounting plate through a fixing piece; the cotton cloth strip is fixedly connected with the mounting plate through a fixing piece.

Preferably, the fixing part comprises a binding band, a hook and loop fastener and a hook and loop fastener, the binding band is fixed on the mounting plate, the hook and loop fastener is arranged at one end of the binding band, and the hook and loop fastener is arranged at the other end of the binding band.

Preferably, the fixing member comprises a pressing plate, at least one groove, and at least one insert plate, wherein,

the mounting plate is provided with at least one groove, the pressing plate is provided with at least one inserting plate, and the pressing plate is inserted into the groove through the inserting plate to fix the relative position of the inserting plate and the mounting plate.

Preferably, the blackboard eraser further comprises an upper cover body and a lower shell, the lower shell is buckled with the upper cover body, and a fixed seat is arranged on the lower shell and used for inserting a second connecting rod and containing the blackboard eraser main body.

Preferably, the lower shell is a water containing box, and the upper cover body is used for containing sponge blocks and cotton strips.

Preferably, the first connecting rod is provided with a hook for airing and hanging the blackboard eraser main body.

Utilize the technical scheme of the utility model a multifunctional blackboard eraser of preparation has following with the effect:

firstly, a height adjusting structure is provided, and the length of the height adjusting structure is adjusted according to the height of a user;

the second elastic supporting rod, the first elastic supporting rod and the second elastic supporting rod have the function of wiping the glass plate and the resin plate;

and thirdly, a water storage box is arranged, so that the cleaning and the storage are convenient.

Drawings

FIG. 1 is a schematic structural view of a multi-functional blackboard eraser according to the present invention;

fig. 2 is a schematic structural view illustrating the first elastic supporting rod and the second elastic supporting rod of the present invention assembled into the first connecting rod;

fig. 3 is a schematic structural view of the pressing plate of the present invention;

fig. 4 is a schematic structural view of the fixing member of the present invention;

in the figure, 1, a first connecting rod; 2. a second link; 3. a cavity; 4. a first elastic strut; 5. a second elastic strut; 6. a sponge block; 7. cotton cloth strips; 8. a support bar; 9. locking; 10. a rotating shaft; 11. hooking; 12. a guide groove; 13. mounting a plate; 15. binding bands; 16. a magic tape; 17. a magic female sticker; 18. pressing a plate; 19. a groove; 20. inserting plates; 21. an upper cover body; 22. a lower housing; 23. a fixed seat.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of other embodiments without departing from the spirit and scope thereof as defined by the appended claims.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The present invention will be described in detail with reference to the accompanying drawings, as shown in fig. 1 to 4, a multifunctional blackboard eraser comprises a first connecting rod 1 and a second connecting rod 2, wherein a cavity 3 is arranged inside the first connecting rod 1, the first connecting rod 1 is in threaded connection with the second connecting rod 2, a selective wiping unit is arranged on the first connecting rod 1, the selective wiping unit comprises a first elastic supporting rod 4, a second elastic supporting rod 5, at least one connecting piece, a sponge block 6, a cotton cloth strip 7 and at least one height adjusting piece, wherein the first elastic supporting rod 4 and the second elastic supporting rod 5 are respectively inserted into the first connecting rod 1; the upper parts of the first elastic supporting rod 4 and the second elastic supporting rod 5 are respectively provided with a connecting piece, one of the connecting pieces is provided with a sponge block 6, and the other connecting piece is provided with a cotton cloth strip 7; the height adjusting piece comprises at least one group of support rods 8, a clamping lock 9 and a rotating shaft 10, wherein the side surface of the first connecting rod 1 is provided with at least one guide groove 12 communicated with the inner cavity 3 of the first connecting rod, and the inner side surface of the first connecting rod 1 at the notch of the guide groove 12 is provided with at least one group of support rods 8; the latch 9 is movably connected with the side surface of the first elastic supporting rod 4 through a rotating shaft 10, the tip end of the rotating shaft 10 extends out of the first connecting rod 1 through a guide groove, and one end of the rotating shaft extending out of the guide groove is provided with the latch 9; the other latch 9 is movably connected with the side surface of the second elastic supporting rod 5 through a rotating shaft 10, the tip end of the rotating shaft 10 extends out of the second connecting rod 2 through a guide groove, and one end of the rotating shaft extending out of the guide groove is provided with the latch 9; the first elastic supporting rod 4 and the second elastic supporting rod 5 are identical in structure, the first elastic supporting rod 4 and the second elastic supporting rod 5 are both folding rods, and the vertical portion of each folding rod is inserted into the cavity of the first connecting rod.

In this technical scheme, when using the device, pivot 10 is the pivot of the preparation of the elasticity material of stretching, when adjusting first elastic support rod 4 or second elastic support rod 5 and stretch into or lean out the height of first connecting rod 1, the user holds kayser 9, the pulling has elastic pivot 10, kayser 9 stretches out behind a pair of bracing piece 8 on the same horizontal plane, kayser 9 is the horizontal pole, it is spacing to break away from a pair of bracing piece 8, first elastic support rod 4 can follow the length direction motion of first connecting rod this moment, namely pivot 10 moves along the length direction of guide slot 12, find first connecting rod 1 and first elastic support rod 4 complex suitable position after, unclamp kayser 9, pivot 10 resumes deformation, reset between a pair of bracing piece 8, play limiting displacement.

In the technical scheme, the cotton strips 7 are arranged between the rest inserting plates 20 of the pressing plate 18, and the inserting plates 20 are inserted into the grooves 19 on the pressing plate 18 to form a fixing structure.

In this technical scheme, bandage 15 passes through the magic sub-subsides 16 and the female 17 cooperation of magic is fixed its and the relative position of sponge piece 6.

In this technical solution, the connecting member includes a mounting plate 13 and a fixing member, wherein the mounting plate 13 is fixedly mounted at a tip of the horizontal portion of the first elastic strut 4 or the second elastic strut 5.

In the technical scheme, the sponge block 6 is fixedly connected with the mounting plate 13 through a fixing piece; the cotton cloth strip 7 is fixedly connected with the mounting plate 13 through a fixing piece.

In this technical scheme, the mounting includes that bandage 15, magic are pasted 16 and the female 17 of magic, and bandage 15 is fixed in on mounting panel 13, and bandage 15's one end is equipped with the magic and pastes 16, and bandage 15's the other end is equipped with the female 17 of magic.

In this solution, the fixing member comprises a pressure plate 18, at least one recess 19, at least one insert plate 20, wherein,

in the technical scheme, at least one groove 19 is arranged on the mounting plate 13, at least one inserting plate 20 is arranged on the pressing plate 18, and the pressing plate 18 is inserted into the groove 19 through the inserting plate 20 to fix the relative position of the pressing plate and the mounting plate 13.

In this technical scheme, still include lid 21 and lower casing 22 down, lower casing 22 and lid 21 looks lock joint down are equipped with fixing base 23 on the casing 22 down for cartridge second connecting rod 2 accomodates the blackboard eraser main part.

In this technical scheme, lower casing 22 is for flourishing water box, goes up lid 21 and accomodates sponge piece 6 and cotton strip 7.

In the technical scheme, the first connecting rod 1 is provided with a hook 11 for airing and hanging the blackboard eraser main body.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. A multifunctional blackboard eraser comprises a first connecting rod (1) and a second connecting rod (2), wherein a cavity (3) is arranged inside the first connecting rod (1), and the multifunctional blackboard eraser is characterized in that the first connecting rod (1) is in threaded connection with the second connecting rod (2), a selective wiping unit is arranged on the first connecting rod (1), the selective wiping unit comprises a first elastic supporting rod (4), a second elastic supporting rod (5), at least one connecting piece, a sponge block (6), a cotton cloth strip (7) and at least one height adjusting piece, wherein,

the first elastic supporting rod (4) and the second elastic supporting rod (5) are respectively inserted into the first connecting rod (1);

the upper parts of the first elastic supporting rod (4) and the second elastic supporting rod (5) are respectively provided with a connecting piece, one of the connecting pieces is provided with a sponge block (6), and the other connecting piece is provided with a cotton cloth strip (7);

the height adjusting piece comprises at least one group of supporting rods (8), a lock (9) and a rotating shaft (10), wherein,

the side surface of the first connecting rod (1) is provided with at least one guide groove (12) communicated with the inner cavity (3) of the first connecting rod, and the outer side surface of the first connecting rod (1) positioned at the notch of the guide groove (12) is provided with at least one group of support rods (8);

the clamping lock (9) is movably connected with the side surface of the first elastic support rod (4) through a rotating shaft (10), the tip end of the rotating shaft (10) extends out of the first connecting rod (1) through a guide groove, and one end of the rotating shaft extending out of the guide groove is provided with the clamping lock (9);

and the other locking device (9) is movably connected with the side surface of the second elastic supporting rod (5) through a rotating shaft (10), the tip end of the rotating shaft (10) extends out of the second connecting rod (2) through a guide groove, and one end of the rotating shaft extending out of the guide groove is provided with the locking device (9).

2. The multifunctional blackboard eraser according to claim 1, wherein the first elastic supporting rod (4) and the second elastic supporting rod (5) have the same structure, the first elastic supporting rod (4) and the second elastic supporting rod (5) are both folded rods, and the vertical part of the folded rods is inserted into the cavity of the first connecting rod.

3. The multi-functional eraser according to claim 1, wherein the connecting member comprises a mounting plate (13), a fixing member, wherein,

the mounting plate (13) is fixedly mounted at the tip of the horizontal part of the first elastic supporting rod (4) or the second elastic supporting rod (5).

4. The multifunctional blackboard eraser as claimed in claim 3, wherein the sponge block (6) is fixedly connected with the mounting plate (13) by a fixing member; the cotton cloth strip (7) is fixedly connected with the mounting plate (13) through a fixing piece.

5. The multifunctional blackboard eraser according to claim 4, wherein the fixing member comprises a binding band (15), a hook and loop fastener (16) and a hook and loop fastener (17), the binding band (15) is fixed on the mounting plate (13), the hook and loop fastener (16) is arranged at one end of the binding band (15), and the hook and loop fastener (17) is arranged at the other end of the binding band (15).

6. The multi-functional eraser according to claim 4, wherein the fixing member comprises a pressing plate (18), at least one recess (19), at least one insert plate (20), wherein,

be equipped with at least one recess (19) on mounting panel (13), be equipped with at least one picture peg (20) on clamp plate (18), clamp plate (18) pass through picture peg (20) insert recess (19) internal fixation its and mounting panel (13) relative position.

7. The multifunctional blackboard eraser according to claim 1, further comprising an upper cover (21) and a lower shell (22), wherein the lower shell (22) is fastened with the upper cover (21), and the lower shell (22) is provided with a fixing seat (23) for inserting a second connecting rod (2) to store the blackboard eraser main body.

8. The multi-functional blackboard eraser according to claim 7, wherein the lower casing (22) is a water containing box, and the upper cover body (21) contains the sponge block (6) and the cotton cloth strip (7).

9. The multifunctional blackboard eraser according to any one of claims 1 to 8, wherein the first connecting rod (1) is provided with a hook (11) for airing and hanging the blackboard eraser body.