CN206406668U - Without the comprehensive blackboard eraser in dead angle - Google Patents
Without the comprehensive blackboard eraser in dead angle Download PDFInfo
- Publication number
- CN206406668U CN206406668U CN201621253379.8U CN201621253379U CN206406668U CN 206406668 U CN206406668 U CN 206406668U CN 201621253379 U CN201621253379 U CN 201621253379U CN 206406668 U CN206406668 U CN 206406668U
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- China
- Prior art keywords
- bulb
- base
- blackboard eraser
- dead angle
- bowl
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Abstract
The utility model is related to office appliance, and in particular to blackboard eraser.Without the comprehensive blackboard eraser in dead angle, including a base, the cleaning material of an erasing person's handwriting is fixed with below base, base is provided with a bulb；Without the comprehensive blackboard eraser in dead angle, in addition to an expansion link, one end of expansion link is provided with one and the supporting ball cup of bulb, and expansion link is rotatably connected base by ball cup, bulb.
Description
Technical field
The utility model is related to office appliance, and in particular to blackboard eraser.
Background technology
Common blackboard eraser is wiped in practice in the range of the wiping that will can be reached according to user's arm,
From cellar to rafter wipes also relatively elaborate, and when the area of blackboard or blank is larger, for most people, uses
Had during blackboard eraser it is many wipe less than place, these places wipe will be very inconvenient by some instruments.
Utility model content
The purpose of this utility model is to provide one kind without the comprehensive blackboard eraser in dead angle, and at least one technology above that solves is asked
Topic.
The technical problem that the utility model is solved can be realized using following technical scheme：
Without the comprehensive blackboard eraser in dead angle, including a base, the cleaning material of an erasing person's handwriting is fixed with below the base
Material, it is characterised in that the base is provided with a bulb；
Without the comprehensive blackboard eraser in dead angle, in addition to an expansion link, one end of the expansion link is supporting with the bulb provided with one
Ball cup, the expansion link is rotatably connected the base by the ball cup, bulb.
Expansion link of the present utility model can control the length of blackboard eraser, expand the wiping scope of blackboard eraser, larger for area
Blackboard or blank, be able to not can also be cleaned by any instrument, and it is of the present utility model rotation connected mode can
It is controlled with the direction of motion to blackboard eraser, can easily reaches the from cellar to rafter of blank or blackboard, save many manpowers
Material resources.
The bulb in spherical head and cylindrical bar by constituting, and the head is located at one end of the bar, the bar
Outer wall be provided with external screw thread；
It is provided with the base in a hole, the hole and is provided with the internal thread supporting with the external screw thread, the bulb passes through
The internal thread, external screw thread are detachably connected the base.Dismounting for blackboard eraser is very convenient, is easy to store.
The ball cup is made up of connecting rod in bowl-shape bulb bowl and in a tubular form, and the bulb bowl is located at the connection
One end of bar, the expansion link inserts the connecting rod by the other end of the connecting rod, the central axis of the ball cup with
The central axis of the expansion link is overlapped.Bulb bowl can preferably be fixed bulb, make bulb be difficult to drop.
The bulb is located at the center of the base.Lifting surface area is very uniform, can preferably be controlled in wiping process
The direction of motion of blackboard eraser.
At least three breach, the breach to the bulb bowl bottom are provided with the side wall of the bulb bowl at equal intervals
Minimum range not less than bulb bowl the centre of sphere to 1/8th of the distance of the bulb bowl bottom, and no more than described ball
The centre of sphere of head bowl is to 1/2nd of the distance of the bulb bowl bottom.So as to make expansion link to go to above the base
Any angle.
Part between two adjacent breach of bulb bowl is provided with reinforcement, the reinforcement from bulb bowl at least
Extend to the middle part of the connecting rod.Strengthen the soundness of bulb bowl, it is not easy to fracture.
The cleaning material is any one in cotton or sponge.The cleaning effect of both materials is stronger.
The four edges edge line of the base is provided with the burr hooked, and the cleaning material is provided with fiber hair, the band
The burr of hook constitutes a VELCRO with the fiber hair, and the base is solid mutually by the VELCRO with the cleaning material
It is fixed.It is easy to the dismounting and replacing of cleaning material.
Four angles of the base are provided with the burr hooked, and the cleaning material is provided with fiber hair, what the band was hooked
Burr constitutes a VELCRO with the fiber hair, and the base is fastened to each other by the VELCRO with the cleaning material.Phase
Consumption to reducing VELCRO, has saved cost.
The cross section of the VELCRO is rectangular, and the area of the VELCRO cross section is less than the cross section of the base
/ 8th of area.Contact area diminishes, and reduces the influence that VELCRO wipes pen self-cleaning function.
Reinforcement is provided with close to the side of the cleaning material on the base, it is in cross cross that the reinforcement, which is,
Type reinforcement.Reinforcement causes base more firm, is hardly damaged, and strengthens service life.
Base is close to the side of the cleaning material provided with a cross section in circular groove, the cross reinforcement
It is located in the groove, and four ends of the cross reinforcement prop up the edge line of the groove.Further strengthen
Fixed effect.
The thickness of the section of the cross reinforcement is less than the depth of the groove.Reinforcement is hidden in inside grooves,
The fixation of material convenient for cleaning, and ensure that blackboard eraser surface does not have any projection.
The cross reinforcement is fixed in the diagonal positions of the base.Fixation is more stable and firm.
Brief description of the drawings
Fig. 1 is part-structure schematic diagram of the present utility model；
Fig. 2 is the upward view of base of the present utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face, which combines to be specifically illustrating, is expanded on further the utility model.
Reference picture 1, Fig. 2, no comprehensive blackboard eraser in dead angle, including a base 1, the lower section of base 1 is fixed with an erasing person's handwriting
Cleaning material 2, base 1 is provided with a bulb 11；Without the comprehensive blackboard eraser in dead angle, in addition to an expansion link 3, expansion link 3
One end is rotatably connected base 1 provided with one and the supporting ball cup 4 of bulb 11, expansion link 3 by ball cup 4, bulb 11.This reality
The length of blackboard eraser can be controlled with new expansion link 3, expands the wiping scope of blackboard eraser, for the larger blackboard of area or white
Plate, be able to not can also be cleaned by any instrument, and the connected mode of the present utility model that rotates can be to the fortune of blackboard eraser
Dynamic direction is controlled, and can easily be reached the from cellar to rafter of blank or blackboard, be saved many manpower and materials.
Bulb 11 in spherical head and cylindrical bar by constituting, and head is located at one end of bar, and the outer wall of bar is provided with outer
Screw thread；It is provided with base 1 in a hole 12, hole 12 and is provided with the internal thread supporting with external screw thread, bulb 11 passes through internal thread, external screw thread
It is detachably connected base 1.Dismounting for blackboard eraser is very convenient, is easy to store.
Bulb 11 is made up of connecting rod in bowl-shape bulb bowl and in a tubular form, and bulb bowl is located at one end of connecting rod,
Expansion link 3 inserts connecting rod by the other end of connecting rod, and the central axis of ball cup 4 is overlapped with the central axis of expansion link 3.Ball
Head bowl can preferably be fixed bulb, make bulb be difficult to drop.
Bulb is located at the center of base 1.Lifting surface area is very uniform, and the fortune of blackboard eraser can be preferably controlled in wiping process
Dynamic direction.
At least three breach are provided with equal intervals on the side wall of bulb bowl, the minimum range of breach to bulb bowl bottom is not small
In bulb bowl the centre of sphere to 1/8th of the distance of bulb bowl bottom, and the no more than centre of sphere of bulb bowl is to bulb bowl bottom
/ 2nd of distance.So as to make expansion link to go to any angle of the top of base 1.
Part between two adjacent breach of bulb bowl is provided with reinforcement 41, and reinforcement 41 at least extends from bulb bowl
To the middle part of connecting rod.Strengthen the soundness of bulb bowl, it is not easy to fracture.
Cleaning material 2 is any one in cotton or sponge.The cleaning effect of both materials is stronger.
The four edges edge line of base 1 be provided with band hook burr 6, cleaning material 2 be provided with fiber hair, band hook burr and
Fiber hair constitutes a VELCRO, and base 1 is fastened to each other by VELCRO with cleaning material 2.Be easy to the dismounting of cleaning material 2 with more
Change.
Four angles of base 1 are provided with the burr 6 hooked, and cleaning material 2 is provided with fiber hair, with the burr and fiber hooked
Hair constitutes a VELCRO, and base 1 is fastened to each other by VELCRO with cleaning material 2.The consumption of VELCRO is relatively reduced, is saved
Cost.The cross section of VELCRO is rectangular, the area of VELCRO cross section be less than the area of the cross section of base 1 eight/
One.Contact area diminishes, and reduces the influence that VELCRO wipes pen self-cleaning function.
Reinforcement is provided with close to the side of cleaning material 2 on base 1, it is in cross cross reinforcement 5 that reinforcement, which is,.
Cross reinforcement causes base 1 more firmly, to be hardly damaged, and strengthens service life.
Base 1 is close to the side of cleaning material 2 provided with groove 13 of the cross section in annular shape, and cross reinforcement 5 is set
In groove 13, and four ends of cross reinforcement 5 prop up the edge line of groove 13.Further strengthen fixed effect.
The thickness of the section of cross reinforcement 5 is less than the depth of groove 13.Reinforcement is hidden in inside grooves, material 2 convenient for cleaning
Fixation, and ensure that blackboard eraser surface does not have any projection.Cross reinforcement 5 is fixed on the diagonal position of the base 1
Put.Fixation is more stable and firm.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (10)
1. without the comprehensive blackboard eraser in dead angle, including a base, the cleaning material of an erasing person's handwriting is fixed with below the base,
Characterized in that, the base is provided with a bulb；
Without the comprehensive blackboard eraser in dead angle, in addition to an expansion link, one end of the expansion link is provided with one and the supporting ball of the bulb
Headstock, the expansion link is rotatably connected the base by the ball cup, bulb.
2. it is according to claim 1 without the comprehensive blackboard eraser in dead angle, it is characterised in that：The bulb is by spherical head and being in
Columned bar composition, the head is located at one end of the bar, and the outer wall of the bar is provided with external screw thread；
It is provided with the base in a hole, the hole and is provided with the internal thread supporting with the external screw thread, the bulb passes through described
Internal thread, external screw thread are detachably connected the base.
3. it is according to claim 1 without the comprehensive blackboard eraser in dead angle, it is characterised in that：The ball cup is by bowl-shape bulb
Bowl is located at one end of the connecting rod with connecting rod composition in a tubular form, the bulb bowl, and the expansion link is by the connecting rod
The other end insert the connecting rod, the central axis of the ball cup is overlapped with the central axis of the expansion link.
4. it is according to claim 1 without the comprehensive blackboard eraser in dead angle, it is characterised in that：The bulb is being located at the base just
Center.
5. it is according to claim 3 without the comprehensive blackboard eraser in dead angle, it is characterised in that：On the side wall of the bulb bowl equidistantly
Be provided with least three breach, the minimum range of the breach to the bulb bowl bottom is arrived not less than the centre of sphere of bulb bowl
/ 8th of the distance of the bulb bowl bottom, and no more than distance of the centre of sphere of bulb bowl to the bulb bowl bottom
1/2nd.
6. it is according to claim 5 without the comprehensive blackboard eraser in dead angle, it is characterised in that：Two adjacent breach of the bulb bowl
Between part be provided with reinforcement, the reinforcement at least extends to the middle part of the connecting rod from bulb bowl.
7. according to any one in claim 1-6 without the comprehensive blackboard eraser in dead angle, it is characterised in that：The cleaning material
For any one in cotton or sponge.
8. according to any one in claim 1-6 without the comprehensive blackboard eraser in dead angle, it is characterised in that：The four of the base
Bar edge line is provided with the burr hooked, and the cleaning material is provided with fiber hair, the burr that the band is hooked and the fiber hair
A VELCRO is constituted, the base is fastened to each other by the VELCRO with the cleaning material.
9. it is according to claim 8 without the comprehensive blackboard eraser in dead angle, it is characterised in that：The cross section of the VELCRO is in square
Shape, the area of the VELCRO cross section is less than 1/8th of the area of the cross section of the base.
10. according to any one in claim 1-6 without the comprehensive blackboard eraser in dead angle, it is characterised in that：On the base
Reinforcement is provided with close to the side of the cleaning material, it is in cross cross reinforcement that the reinforcement, which is,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621253379.8U CN206406668U (en) | 2016-11-22 | 2016-11-22 | Without the comprehensive blackboard eraser in dead angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621253379.8U CN206406668U (en) | 2016-11-22 | 2016-11-22 | Without the comprehensive blackboard eraser in dead angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206406668U true CN206406668U (en) | 2017-08-15 |
Family
ID=59548502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621253379.8U Active CN206406668U (en) | 2016-11-22 | 2016-11-22 | Without the comprehensive blackboard eraser in dead angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206406668U (en) |
-
2016
- 2016-11-22 CN CN201621253379.8U patent/CN206406668U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |