CN203739476U - Mobile hand-cranking lifting blackboard - Google Patents

Mobile hand-cranking lifting blackboard Download PDF

Info

Publication number
CN203739476U
CN203739476U CN201420135600.4U CN201420135600U CN203739476U CN 203739476 U CN203739476 U CN 203739476U CN 201420135600 U CN201420135600 U CN 201420135600U CN 203739476 U CN203739476 U CN 203739476U
Authority
CN
China
Prior art keywords
blackboard
slideway
lifting column
column
round brush
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420135600.4U
Other languages
Chinese (zh)
Inventor
李学华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201420135600.4U priority Critical patent/CN203739476U/en
Application granted granted Critical
Publication of CN203739476U publication Critical patent/CN203739476U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a mobile hand-cranking lifting blackboard. The mobile hand-cranking lifting blackboard comprises a supporting column, a backboard body and a supporting block. A lifting column is installed on the supporting column in a sleeved mode, the blackboard body is arranged on the lifting column, the lifting column is connected with a rotating wheel, the rotating wheel is arranged on a supporting pole, the rotating wheel is connected with the rotating pole through a rotating pin, external threads are arranged on the outer surface of the lifting column, the lifting column is connected with the rotating wheel through the threads, the rotating wheel is connected with a rotating handle, the supporting pole is arranged on the supporting block, the supporting block is connected with the supporting column, wheels are arranged at the bottom of the supporting block and the bottom of the supporting column, stop pieces are connected to the wheels, a first slide way and a second slide way are arranged on the two sides of the blackboard respectively, a rolling brush is arranged on the blackboard body, one end of the rolling brush is arranged in the first slide way, and the other end of the rolling brush is arranged in the other slide way. The blackboard is convenient to carry, use and clean, can be moved up and down vertically, and is convenient for users with different heights to use.

Description

A kind of movable hand rotated blackboard movable up and down
Technical field
The utility model relates to education and instruction technical field, is specifically related to a kind of movable hand rotated blackboard movable up and down.
Background technology
In prior art, as patent ZL201210271866.7 discloses a kind of blackboard movable up and down being applied in education and instruction, comprise blackboard, left chain wheel group, right pulley group and shake the hand, on blackboard, be provided with two assembly pulleys in left and right, on two assembly pulleys in left and right, be respectively equipped with left movable pulley, left fixed pulley, right movable pulley and right fixed pulley, assembly pulley connected mode is on the wall directly over movable pulley position, to fix fixed pulley, rope stiff end is fixed on fixed pulley axis, and free end is walked around movable pulley and fixed pulley successively.This blackboard movable up and down complex structure, and can not realize automatic blackboard cleaning.
Utility model content
The deficiency existing for prior art, the utility model provides a kind of convenient this blackboard of carrying, easy to use, erases the board convenient, can vertically move up and down, and has facilitated different height users' movable hand rotated blackboard movable up and down.
To achieve these goals, the utility model is to realize by the following technical solutions:
A kind of movable hand rotated blackboard movable up and down, comprise support column, blackboard body and back-up block, described support column is set with lifting column, blackboard body is arranged on lifting column, lifting column is connected with swiveling wheel, swiveling wheel is arranged on support bar, swiveling wheel is connected with support bar by rotating dog, the outer surface of lifting column is provided with external screw thread, lifting column and swiveling wheel are threaded connection, swiveling wheel is connected with rotating handle, support bar is arranged on back-up block, back-up block is connected with support column, the bottom of back-up block and support column is equipped with wheel, wheel is connected with locking plate, the both sides of blackboard body are respectively equipped with the first slideway and the second slideway, the first slideway and the second slideway are vertically and are arranged in parallel, blackboard body is provided with round brush, one end of round brush is arranged in the first slideway, the other end of round brush is arranged in the second slideway, one end of round brush is connected with the first locking plate, the other end of round brush is connected with the second locking plate.
Further, the bottom of described blackboard body is provided with chalk dust ledge.
Further, the cross section of described chalk dust ledge is U-shaped shape.
Further, described the first slideway is identical with the shape size of the second slideway.
The beneficial effects of the utility model: because described support column is set with lifting column, blackboard body is arranged on lifting column, lifting column is connected with swiveling wheel, swiveling wheel is arranged on support bar, swiveling wheel is connected with support bar by rotating dog, the outer surface of lifting column is provided with external screw thread, lifting column and swiveling wheel are threaded connection, swiveling wheel is connected with rotating handle, support bar is arranged on back-up block, back-up block is connected with support column, the bottom of back-up block and support column is equipped with wheel, wheel is connected with locking plate, the both sides of blackboard body are respectively equipped with the first slideway and the second slideway, the first slideway and the second slideway are vertically and are arranged in parallel, blackboard body is provided with round brush, one end of round brush is arranged in the first slideway, the other end of round brush is arranged in the second slideway, one end of round brush is connected with the first locking plate, the other end of round brush is connected with the second locking plate, so user can carry this blackboard easily by wheel, easy to use, by round brush, can make blackboard body realize and scrub, erase the board convenient, by swiveling wheel, can control lifting column and vertically move, thereby control blackboard body, move up and down, facilitate the user of different heights.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model movable hand rotated blackboard movable up and down.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
As shown in Figure 1, a kind of movable hand rotated blackboard movable up and down, comprise support column 1, blackboard body 3 and back-up block 14, support column 1 is set with lifting column 2, blackboard body 3 is arranged on lifting column 2, lifting column 2 is connected with swiveling wheel 10, swiveling wheel 10 is arranged on support bar 13, swiveling wheel 10 is connected with support bar 13 by rotating dog 12, swiveling wheel 10 is connected with rotating handle 11, support bar 13 is arranged on back-up block 14, back-up block 14 is connected with support column 1, back-up block 14 is equipped with wheel 15 with the bottom of support column 1, wheel 15 is connected with locking plate 16, the both sides of blackboard body 3 are respectively equipped with the first slideway 5 and the second slideway 6, the first slideway 5 and the second slideway 6 are vertically and are arranged in parallel, blackboard body 3 is provided with round brush 7, one end of round brush 7 is arranged in the first slideway 5, the other end of round brush 7 is arranged in the second slideway 6, one end of round brush 7 is connected with the first locking plate 8, the other end of round brush 7 is connected with the second locking plate 9, the bottom of blackboard body 3 is provided with chalk dust ledge 4, the cross section of chalk dust ledge 4 is U-shaped shape, and the first slideway 5 is identical with the shape size of the second slideway 6, and the outer surface of lifting column 2 is provided with external screw thread, lifting column 2 is threaded connection with swiveling wheel 10, and the inner bottom part of support column 1 is provided with silicagel pad 17.
The utility model movable hand rotated blackboard movable up and down, because support column 1 is set with lifting column 2, blackboard body 3 is arranged on lifting column 2, lifting column 2 is connected with swiveling wheel 10, swiveling wheel 10 is arranged on support bar 13, swiveling wheel 10 is connected with support bar 13 by rotating dog 12, swiveling wheel 10 is connected with rotating handle 11, support bar 13 is arranged on back-up block 14, back-up block 14 is connected with support column 1, back-up block 14 is equipped with wheel 15 with the bottom of support column 1, wheel 15 is connected with locking plate 16, the both sides of blackboard body 3 are respectively equipped with the first slideway 5 and the second slideway 6, the first slideway 5 and the second slideway 6 are vertically and are arranged in parallel, blackboard body 3 is provided with round brush 7, one end of round brush 7 is arranged in the first slideway 5, the other end of round brush 7 is arranged in the second slideway 6, one end of round brush 7 is connected with the first locking plate 8, the other end of round brush 7 is connected with the second locking plate 9, so user can carry this blackboard easily by wheel 15, easy to use, by round brush 7, can make blackboard body 3 realize and scrub, erase the board convenient, by swiveling wheel 10, can control lifting column 2 and vertically move, thereby control blackboard body 3, move up and down, facilitate the user of different heights.Because the bottom of blackboard body 3 is provided with chalk dust ledge 4, the cross section of chalk dust ledge 4 is U-shaped shape, so can reclaim chalk dust.Because the outer surface of lifting column 2 is provided with external screw thread, lifting column 2 is threaded connection with swiveling wheel 10, so screw thread coupling connects, stability is better.Because the inner bottom part of support column 1 is provided with silicagel pad 17, so can prevent that the bottom of lifting column 2 from directly clashing into support column 1, can play cushioning effect.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (4)

1. a movable hand rotated blackboard movable up and down, comprise support column, blackboard body and back-up block, it is characterized in that: described support column is set with lifting column, blackboard body is arranged on lifting column, lifting column is connected with swiveling wheel, swiveling wheel is arranged on support bar, swiveling wheel is connected with support bar by rotating dog, the outer surface of described lifting column is provided with external screw thread, lifting column and swiveling wheel are threaded connection, swiveling wheel is connected with rotating handle, support bar is arranged on back-up block, back-up block is connected with support column, the bottom of back-up block and support column is equipped with wheel, wheel is connected with locking plate, the both sides of blackboard body are respectively equipped with the first slideway and the second slideway, the first slideway and the second slideway are vertically and are arranged in parallel, blackboard body is provided with round brush, one end of round brush is arranged in the first slideway, the other end of round brush is arranged in the second slideway, one end of round brush is connected with the first locking plate, the other end of round brush is connected with the second locking plate.
2. movable hand rotated blackboard movable up and down according to claim 1, is characterized in that: the bottom of described blackboard body is provided with chalk dust ledge.
3. movable hand rotated blackboard movable up and down according to claim 2, is characterized in that: the cross section of described chalk dust ledge is U-shaped shape.
4. movable hand rotated blackboard movable up and down according to claim 1, is characterized in that: described the first slideway is identical with the shape size of the second slideway.
CN201420135600.4U 2014-03-24 2014-03-24 Mobile hand-cranking lifting blackboard Expired - Fee Related CN203739476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420135600.4U CN203739476U (en) 2014-03-24 2014-03-24 Mobile hand-cranking lifting blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420135600.4U CN203739476U (en) 2014-03-24 2014-03-24 Mobile hand-cranking lifting blackboard

Publications (1)

Publication Number Publication Date
CN203739476U true CN203739476U (en) 2014-07-30

Family

ID=51339332

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420135600.4U Expired - Fee Related CN203739476U (en) 2014-03-24 2014-03-24 Mobile hand-cranking lifting blackboard

Country Status (1)

Country Link
CN (1) CN203739476U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314746A (en) * 2014-10-24 2015-01-28 江苏省电力公司盱眙县供电公司 Lifting type wind power rotating blade
CN104430005A (en) * 2014-09-26 2015-03-25 无锡东晟生物科技有限公司 Lifting type feed tray
CN104589859A (en) * 2015-01-22 2015-05-06 张运 Multifunctional blackboard
CN111559610A (en) * 2020-05-06 2020-08-21 安徽文香信息技术有限公司 A remove and transport and hold bracket for wisdom blackboard

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104430005A (en) * 2014-09-26 2015-03-25 无锡东晟生物科技有限公司 Lifting type feed tray
CN104314746A (en) * 2014-10-24 2015-01-28 江苏省电力公司盱眙县供电公司 Lifting type wind power rotating blade
CN104589859A (en) * 2015-01-22 2015-05-06 张运 Multifunctional blackboard
CN111559610A (en) * 2020-05-06 2020-08-21 安徽文香信息技术有限公司 A remove and transport and hold bracket for wisdom blackboard

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140730

Termination date: 20150324

EXPY Termination of patent right or utility model