CN106073247A - A kind of Novel movable blackboard - Google Patents

A kind of Novel movable blackboard Download PDF

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Publication number
CN106073247A
CN106073247A CN201610724947.6A CN201610724947A CN106073247A CN 106073247 A CN106073247 A CN 106073247A CN 201610724947 A CN201610724947 A CN 201610724947A CN 106073247 A CN106073247 A CN 106073247A
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CN
China
Prior art keywords
fixed
block
groove
vertical
blackboard
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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.)
Granted
Application number
CN201610724947.6A
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Chinese (zh)
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CN106073247B (en
Inventor
叶芳
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Guizhou Institute of Technology
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叶芳
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Publication date
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Priority to CN201610724947.6A priority Critical patent/CN106073247B/en
Publication of CN106073247A publication Critical patent/CN106073247A/en
Application granted granted Critical
Publication of CN106073247B publication Critical patent/CN106073247B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00Miscellaneous furniture; Miscellaneous accessories for furniture
    • A47B97/04Easels or stands for blackboards or the like

Abstract

The invention discloses a kind of Novel movable blackboard, including blackboard main body, the left and right sides, middle part of described blackboard main body is fixed with two rotary shafts, two movable blocks are hinged in two rotary shafts, the middle part of movable block has vertical groove, supporting leg sleeve is in corresponding vertical groove, two supporting legs are in the both sides of blackboard main body, the bottom of two supporting legs is fixed on base plate, the bottom surface of base plate is fixed with multiple contiguous block, the bottom surface of contiguous block has groove, the bottom surface of contiguous block is fixed with limiting plate, lubrication block sleeve is in a groove, the outer wall of lubrication block is fixed on the medial wall of groove, the bottom surface of lubrication block has hemispherical groove, rolling ball body sleeve is in hemispherical groove, the conical through-hole that the middle part of limiting plate has is stretched out in the bottom of rolling ball body, the maximum gauge of conical through-hole is less than the diameter of rolling ball body;Its blackboard main body can carry out upper-lower height regulation and angle rotates, and meets the use requirement of different user, and using effect is good.

Description

A kind of Novel movable blackboard
Technical field:
The present invention relates to teaching aid technical field, a kind of Novel movable blackboard.
Background technology:
The two ends fixed supporting leg of existing moving type blackboard device, usually blackboard, its all parts is bolted, In use, angle and the height of blackboard is fixing, it is impossible to carry out up-down adjustment and rotation so that they cannot be according to different The requirement of user is adjusted, thus affects the effect that user is used for.
Summary of the invention:
The purpose of the present invention is aiming at the deficiency of prior art, and provides a kind of Novel movable blackboard, its blackboard master Body can carry out upper-lower height regulation and angle rotates, and meets the use requirement of different user, and using effect is good.
The technology solution of the present invention is as follows:
A kind of Novel movable blackboard, including blackboard main body, the left and right sides, middle part of described blackboard main body is fixed with two and turns Moving axis, two movable blocks are hinged in two rotary shafts, and the middle part of movable block has vertical groove, and supporting leg sleeve erects corresponding In direct through groove, two supporting legs are in the both sides of blackboard main body, and the bottom of two supporting legs is fixed on base plate, and the bottom surface of base plate is fixed Having multiple contiguous block, the bottom surface of contiguous block has groove, and the bottom surface of contiguous block is fixed with limiting plate, and lubrication block sleeve is at groove In, the outer wall of lubrication block is fixed on the medial wall of groove, and the bottom surface of lubrication block has hemispherical groove, and rolling ball body sleeve exists In hemispherical groove, the conical through-hole that the middle part of limiting plate has is stretched out in the bottom of rolling ball body, the maximum gauge of conical through-hole Diameter less than rolling ball body;
It is fixed with vertical tooth bar on the front face of two supporting legs, the medial wall of vertical groove is hinged with travelling gear, pass Moving gear is meshed with vertical tooth bar, and the lateral wall of movable block is bolted with adjusting screw rod, and the outer end of adjusting screw rod forms hands Holding portion, the inner of adjusting screw rod is in vertical groove and is fixed with pressing plate, and pressing plate is pressed against on the sidewall of vertical tooth bar;
It is fixed with location gear in described rotary shaft, the sidewall of movable block is fixed with spacing preiection post, spacing preiection post Holding is in the corresponding teeth groove of location gear;
Being bolted with multiple positioning screw on described base plate, the lower end of positioning screw extends downwardly from base plate and is hinged with bottom pressure Block, the lower end of positioning screw is inserted with spring, and bottom briquetting is put forth effort in one end of spring, and the end of base plate is put forth effort in the upper end of spring On face, the upper end of positioning screw protrudes upward base plate and is fixed with rotation section.
The bottom of the sidewall of described movable block is fixed with limited block, and the top of limited block is fixed with spacing preiection post, spacing The top holding of protruding post is in the corresponding teeth groove of location gear.
Being fixed with wearing layer on the rear surface of described supporting leg, wearing layer is pressed against on the posterior medial wall of vertical groove.
Also being fixed with wearing layer on the left and right sides wall of described supporting leg, wearing layer is pressed against the left and right sides of vertical groove On medial wall.
Being fixed with brake pad on described pressing plate, brake pad is pressed against on the sidewall of vertical tooth bar.
The rear portion end face of described base plate is fixed with vertical gripper shoe, and the end face of vertical gripper shoe has the lifting downwardly extended Groove, riser sleeve, in upgrading slot, has vertical regulating tank in the middle part of the rear surface of vertical gripper shoe, the back side of riser is fixed Having pushing block, pushing block to stretch out vertical regulating tank, the rear surface of vertical gripper shoe is fixedly arranged in the middle of adjustable plate, regulates lift-bolt Being screwed onto on adjustable plate, the upper end of regulation lift-bolt protrudes upward adjustable plate and is hinged on pushing block, regulates lift-bolt Top be inserted with Promoting Layered Buffer spring, pushing block is put forth effort in the upper end of Promoting Layered Buffer spring, and the lower end of Promoting Layered Buffer spring Power is in adjustable plate;
The top of described riser is bolted with clamping screw, and the front end of clamping screw is stretched out the front face of riser and fixes Having a bracer, a bracer is pressed against on the rear surface of blackboard body.
The beneficial effects of the present invention is:
Its blackboard main body can carry out upper-lower height regulation and angle rotates, and the use meeting different user is wanted Asking, using effect is good.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the partial structurtes schematic diagram between movable block and the supporting leg of the present invention;
Fig. 3 is the partial structurtes schematic diagram between movable block and spacing preiection post;
Fig. 4 is the partial sectional view of the present invention;
Fig. 5 is the partial enlarged drawing of Fig. 1.
Detailed description of the invention:
Embodiment: as shown in Fig. 1 to Fig. 5, a kind of Novel movable blackboard, including blackboard main body 10, described blackboard main body 10 The left and right sides, middle part be fixed with two rotary shafts 11, two movable blocks 12 are hinged in two rotary shafts 11, movable block 12 Middle part has vertical groove 13, and supporting leg 20 sleeve is in corresponding vertical groove 13, and two supporting legs 20 are in blackboard main body 10 Both sides, the bottom of two supporting legs 20 is fixed on base plate 30, and the bottom surface of base plate 30 is fixed with multiple contiguous block 31, contiguous block 31 Bottom surface has groove 32, and the bottom surface of contiguous block 31 is fixed with limiting plate 33, and lubrication block 34 sleeve, in groove 32, lubricates block 34 Outer wall is fixed on the medial wall of groove 32, and the bottom surface of lubrication block 34 has hemispherical groove 341, and rolling ball body 35 sleeve is half In ball recess 342, the conical through-hole 332 that the middle part of limiting plate 33 has, conical through-hole 332 are stretched out in the bottom of rolling ball body 35 Maximum gauge less than the diameter of rolling ball body 35;
It is fixed with vertical tooth bar 21 on the front face of two supporting legs 20, the medial wall of vertical groove 13 is hinged with driving cog Wheel 14, travelling gear 14 is meshed with vertical tooth bar 21, and the lateral wall of movable block 12 is bolted with adjusting screw rod 15, adjusting screw rod The outer end of 15 forms Handheld Division 151, and the inner of adjusting screw rod 15 is in vertical groove 13 and is fixed with pressing plate 152, pressing plate On 152 sidewalls being pressed against vertical tooth bar 21;
It is fixed with location gear 16 in described rotary shaft 11, the sidewall of movable block 12 is fixed with spacing preiection post 17, limit Protruding post 17 holding in position is in the corresponding teeth groove 161 of location gear 16;
Being bolted with multiple positioning screw 36 on described base plate 30, the lower end of positioning screw 36 extends downwardly from base plate 30 hinged Having bottom briquetting 37, the lower end of positioning screw 36 is inserted with spring 38, and bottom briquetting 37, spring 38 are put forth effort in one end of spring 38 Upper end put forth effort on the bottom surface of base plate 30, the upper end of positioning screw 36 protrudes upward base plate 30 and is fixed with rotation section 361.
Further, the bottom of the sidewall of described movable block 12 is fixed with limited block 18, and the top of limited block 18 is fixed Limited location projection post 17, the top holding of spacing preiection post 17 is in the corresponding teeth groove 161 of location gear 16.
Further, the rear surface of described supporting leg 20 being fixed with wearing layer 22, wearing layer 22 is pressed against vertical groove On the posterior medial wall of 13.
Further, the left and right sides wall of described supporting leg 20 being also fixed with wearing layer 22, wearing layer 22 is pressed against perpendicular On the medial wall of the left and right sides of direct through groove 13.
Further, described pressing plate 152 being fixed with brake pad 153, brake pad 153 is pressed against the side of vertical tooth bar 21 On wall.
Further, the rear portion end face of described base plate 30 is fixed with vertical gripper shoe 40, the end face of vertical gripper shoe 40 Having the upgrading slot 41 downwardly extended, riser 42 sleeve, in upgrading slot 41, has in the middle part of the rear surface of vertical gripper shoe 40 Vertically regulating tank 43, the back side of riser 42 is fixed with pushing block 421, and pushing block 421 stretches out vertical regulating tank 43, vertically supports The rear surface of plate 40 is fixedly arranged in the middle of adjustable plate 45, and regulation lift-bolt 46 is screwed onto on adjustable plate 45, regulates lift-bolt 46 Upper end protrude upward adjustable plate 45 and be hinged on pushing block 421, regulation lift-bolt 46 top be inserted with Promoting Layered Buffer Spring 47, the upper end of Promoting Layered Buffer spring 47 puts forth effort on pushing block 421, and adjustable plate is put forth effort in the lower end of Promoting Layered Buffer spring 47 45;
The top of described riser 42 is bolted with clamping screw 48, and the antetheca of riser 42 is stretched out in the front end of clamping screw 48 Face is also fixed with a bracer 49, and a bracer 49 is pressed against on the rear surface of blackboard body 10.
Operation principle: by adjusting screw rod 15 is rotated so that pressing plate 152 is no longer press against on vertical tooth bar 21, then, Move up and down blackboard main body 10, after position adjustments completes, by rotating adjusting screw rod 15 so that be fixed with on pressing plate 152 rubs Cleaning block 153 is pressed against on the sidewall of vertical tooth bar 21, it is achieved grip.
And spacing preiection post 17 is rubber cylinder, by firmly Rotary Blackboard body 10 so that spacing preiection post 17 is nested In different teeth groove 161, complete position and fix so that blackboard body 10 anglec of rotation meets the needs of user.
And post 24 can protect blackboard body 10 will not damage when moving down.
And during its promotion the present embodiment, positioning screw 36 is rotated so that bottom briquetting 37 is not pressed against on bottom surface, its rolling Dynamic spheroid 35 rolls in bottom surface, thus reduces friction, after position determines, is rotated further by positioning screw 36 so that bottom briquetting 37 is pressed Lean on the ground, thus realize fixing, very convenient.
And after blackboard body 10 angular adjustment is complete, rotate regulation lift-bolt 46 so that riser 42 up-down adjustment, and Rotate clamping screw 48 so that a bracer 49 is pressed against on the rear surface of blackboard body 10, it is achieved back support, keep blackboard originally The normal position of body 10, very convenient.

Claims (6)

1. a Novel movable blackboard, including blackboard main body (10), it is characterised in that: about the middle part of described blackboard main body (10) Both sides are fixed with two rotary shafts (11), and two movable blocks (12) are hinged on two rotary shafts (11), in movable block (12) Portion has vertical groove (13), and supporting leg (20) sleeve is in corresponding vertical groove (13), and two supporting legs (20) are in blackboard master The both sides of body (10), the bottom of two supporting legs (20) is fixed on base plate (30), and the bottom surface of base plate (30) is fixed with multiple connection Block (31), the bottom surface of contiguous block (31) has groove (32), and the bottom surface of contiguous block (31) is fixed with limiting plate (33), lubricates block (34) sleeve is in groove (32), and the outer wall of lubrication block (34) is fixed on the medial wall of groove (32), the end of lubrication block (34) Mask has hemispherical groove (341), rolling ball body (35) sleeve in hemispherical groove (342), the bottom of rolling ball body (35) Stretching out the conical through-hole (332) that the middle part of limiting plate (33) has, the maximum gauge of conical through-hole (332) is less than rolling ball body (35) diameter;
It is fixed with vertical tooth bar (21) on the front face of two supporting legs (20), the medial wall of vertical groove (13) is hinged with transmission Gear (14), travelling gear (14) is meshed with vertical tooth bar (21), and the lateral wall of movable block (12) is bolted with adjusting screw rod (15), the outer end of adjusting screw rod (15) forms Handheld Division (151), and the inner of adjusting screw rod (15) is in vertical groove (13) And it being fixed with pressing plate (152), pressing plate (152) is pressed against on the sidewall of vertical tooth bar (21);
It is fixed with location gear (16) in described rotary shaft (11), the sidewall of movable block (12) is fixed with spacing preiection post (17), spacing preiection post (17) holding is in the corresponding teeth groove (161) of location gear (16);
Be bolted with multiple positioning screw (36) on described base plate (30), the lower end of positioning screw (36) extend downwardly from base plate (30) and Being hinged with bottom briquetting (37), the lower end of positioning screw (36) is inserted with spring (38), and bottom is put forth effort in one end of spring (38) Briquetting (37), the upper end of spring (38) is put forth effort on the bottom surface of base plate (30), and the upper end of positioning screw (36) protrudes upward base plate And be fixed with rotation section (361) (30).
A kind of Novel movable blackboard, it is characterised in that: the bottom of the sidewall of described movable block (12) Being fixed with limited block (18), the top of limited block (18) is fixed with spacing preiection post (17), the top card of spacing preiection post (17) Put in the corresponding teeth groove (161) of location gear (16).
A kind of Novel movable blackboard, it is characterised in that: fixing on the rear surface of described supporting leg (20) Wearing layer (22), wearing layer (22) is had to be pressed against on the posterior medial wall of vertical groove (13).
A kind of Novel movable blackboard, it is characterised in that: on the left and right sides wall of described supporting leg (20) Also wearing layer (22) it is fixed with, on the medial wall of the left and right sides that wearing layer (22) is pressed against vertical groove (13).
A kind of Novel movable blackboard, it is characterised in that: described pressing plate is fixed with friction on (152) Block (153), brake pad (153) is pressed against on the sidewall of vertical tooth bar (21).
A kind of Novel movable blackboard, it is characterised in that: the rear portion end face of described base plate (30) is fixed Vertical gripper shoe (40), the end face of vertical gripper shoe (40) is had to have the upgrading slot (41) downwardly extended, riser (42) sleeve In upgrading slot (41), there is in the middle part of the rear surface of vertical gripper shoe (40) vertical regulating tank (43), the back side of riser (42) Being fixed with pushing block (421), pushing block (421) stretches out vertical regulating tank (43), solid in the middle part of the rear surface of vertical gripper shoe (40) Surely having adjustable plate (45), regulation lift-bolt (46) to be screwed onto on adjustable plate (45), the upper end of regulation lift-bolt (46) is upwards Stretching out adjustable plate (45) and be hinged on pushing block (421), the top of regulation lift-bolt (46) is inserted with Promoting Layered Buffer spring (47), pushing block (421) is put forth effort in the upper end of Promoting Layered Buffer spring (47), and regulation is put forth effort in the lower end of Promoting Layered Buffer spring (47) Plate (45);
The top of described riser (42) is bolted with clamping screw (48), and riser (42) is stretched out in the front end of clamping screw (48) Front face is also fixed with a bracer (49), and a bracer (49) is pressed against on the rear surface of blackboard body (10).
CN201610724947.6A 2016-08-25 2016-08-25 A kind of Novel movable blackboard Expired - Fee Related CN106073247B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610724947.6A CN106073247B (en) 2016-08-25 2016-08-25 A kind of Novel movable blackboard

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Application Number Priority Date Filing Date Title
CN201610724947.6A CN106073247B (en) 2016-08-25 2016-08-25 A kind of Novel movable blackboard

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CN106073247A true CN106073247A (en) 2016-11-09
CN106073247B CN106073247B (en) 2018-03-09

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107871407A (en) * 2017-12-23 2018-04-03 玉林市玉州区万通华信科技服务部 A kind of board of education with projection safety education video capability
CN108749408A (en) * 2018-04-28 2018-11-06 伍伟权 A kind of blackboard for English teaching of packaged type
CN108973442A (en) * 2018-07-25 2018-12-11 郑煌 A kind of blackboard for education
CN109193437A (en) * 2018-10-10 2019-01-11 李汝和 A kind of electric power high-low pressure complete set of equipments of preassembled transformer station
CN111022876A (en) * 2019-12-27 2020-04-17 浙江更土电子商务有限公司 Multimedia exhibition item performance device
CN112976882A (en) * 2019-12-16 2021-06-18 重庆工程职业技术学院 Modified is teaching aid for mathematical education

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100248291B1 (en) * 1997-02-27 2000-04-01 박우헌 White board for magic lantern apparatus
CN202944091U (en) * 2012-11-23 2013-05-22 唐楠 Blackboard capable of moving up and down
CN204055065U (en) * 2014-09-11 2014-12-31 青岛滨海学院 A kind of movable type can the blackboard of automatic erasing
CN204109675U (en) * 2014-10-11 2015-01-21 浙江中广电器有限公司 A kind of footing
CN204635478U (en) * 2015-03-20 2015-09-16 江西育佳工贸有限公司 A kind of multifunctional desk of desktop adjustable in length
CN204659285U (en) * 2015-05-27 2015-09-23 胡晓涛 A kind of Multifunctional blackboard
CN205395545U (en) * 2015-12-24 2016-07-27 徐州工业职业技术学院 Overturn blackboard of removal type
CN206314853U (en) * 2016-08-25 2017-07-11 叶芳 A kind of Novel movable blackboard

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100248291B1 (en) * 1997-02-27 2000-04-01 박우헌 White board for magic lantern apparatus
CN202944091U (en) * 2012-11-23 2013-05-22 唐楠 Blackboard capable of moving up and down
CN204055065U (en) * 2014-09-11 2014-12-31 青岛滨海学院 A kind of movable type can the blackboard of automatic erasing
CN204109675U (en) * 2014-10-11 2015-01-21 浙江中广电器有限公司 A kind of footing
CN204635478U (en) * 2015-03-20 2015-09-16 江西育佳工贸有限公司 A kind of multifunctional desk of desktop adjustable in length
CN204659285U (en) * 2015-05-27 2015-09-23 胡晓涛 A kind of Multifunctional blackboard
CN205395545U (en) * 2015-12-24 2016-07-27 徐州工业职业技术学院 Overturn blackboard of removal type
CN206314853U (en) * 2016-08-25 2017-07-11 叶芳 A kind of Novel movable blackboard

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107871407A (en) * 2017-12-23 2018-04-03 玉林市玉州区万通华信科技服务部 A kind of board of education with projection safety education video capability
CN108749408A (en) * 2018-04-28 2018-11-06 伍伟权 A kind of blackboard for English teaching of packaged type
CN108973442A (en) * 2018-07-25 2018-12-11 郑煌 A kind of blackboard for education
CN109193437A (en) * 2018-10-10 2019-01-11 李汝和 A kind of electric power high-low pressure complete set of equipments of preassembled transformer station
CN112976882A (en) * 2019-12-16 2021-06-18 重庆工程职业技术学院 Modified is teaching aid for mathematical education
CN111022876A (en) * 2019-12-27 2020-04-17 浙江更土电子商务有限公司 Multimedia exhibition item performance device

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Inventor after: Zhu Minfang

Inventor before: Ye Fang

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