CN203844473U - Hand-operated type combined blackboard - Google Patents
Hand-operated type combined blackboard Download PDFInfo
- Publication number
- CN203844473U CN203844473U CN201420189129.7U CN201420189129U CN203844473U CN 203844473 U CN203844473 U CN 203844473U CN 201420189129 U CN201420189129 U CN 201420189129U CN 203844473 U CN203844473 U CN 203844473U
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- blackboard
- draw
- groove
- blackboard eraser
- small
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Abstract
The utility model discloses a hand-operated type combined blackboard comprising a top board, side boards, a bottom board, partitions, small blackboards, a horizontal shaft, gears, transmission chains, vertical guide rails, a crank and blackboard erasers. The top board, the side boards and the bottom board encircle to form a rectangular frame, the partitions are arranged in the frame vertically, the vertical guide rails are arranged on the partitions and used for positioning up-down movement of the small blackboards, each outer small blackboard and one inner small blackboard form a group located between the two partitions, the horizontal shaft is located below the top board and sleeved with the gears and the transmission chains, the horizontal shaft, and the gears and the transmission chains are driven through the crank arranged at the side edge so as to control ascending and descending of the small blackboards. A plurality of clamp grooves are formed in each partition and used for fixing the strip blackboard erasers. When the strip blackboard erasers are located close to the positions in the clamp grooves of the small blackboards, the small blackboards can be cleaned when ascending and descending.
Description
Technical field
The utility model relates to a kind of combined blackboard, especially a kind of hand-rail type combined blackboard.
Background technology
At present, teaching mostly is push-pull type with large-scale combined blackboard and slides up and down formula blackboard, and its shortcoming is to be not suitable for shorter crowd, easily pulls a muscle or jams a finger, very inconvenience of blackboard-cleaning simultaneously during upper and lower push-and-pull blackboard.
Summary of the invention
The problem occurring according to above-mentioned prior art, the utility model provides a kind of hand-rail type combined blackboard.
The utility model is a kind of hand-rail type combined blackboard, comprise top board (6), side plate (5), base plate (4), dividing plate (3), small blackboard, upright slide rail, wherein: top board (6), side plate (5), base plate (4) surround a rectangular frame, and be separately fixed on body of wall; It is inner and perpendicular to metope that dividing plate (3) is vertically arranged at framework;
Small blackboard is divided into outer small blackboard (2) and internal layer small blackboard (1) according to it in metope spacing difference, and an outer small blackboard (2) is a pair of combination with an internal layer small blackboard (1), can control it respectively in upper-lower position, writes respectively;
It is upper that upright slide rail is fixed on dividing plate (3), is respectively used to locate moving up and down of internal layer small blackboard (1) and outer small blackboard (2);
Characterized by further comprising trunnion axis (10), gear (11), driving-chain, crank (13), blackboard eraser, wherein:
Blackboard eraser is strip, comprise blackboard eraser body (14-3) and bristle (14-4), dividing plate (3) middle part is provided with draw-in groove, blackboard eraser is placed horizontally between two dividing plates (3) and is fixed in draw-in groove, by blackboard eraser is set, can controls blackboard eraser separation or be close to small blackboard in different draw-in grooves;
Trunnion axis (10) is fixed on top board (6) below, be positioned at every a pair of small blackboard combination top, on axle, cover has gear (11), gear (11) is furnished with opening driving-chain (12-1), opening driving-chain (12-1) two ends connect respectively the internal layer small blackboard (1) and outer small blackboard (2) of a pair of combination, the gear (11) of trunnion axis (10) end connects crank (13) with closed driving-chain (12-2), crank (13) is fixed on side plate (5), the position that crank (13) connects closed driving-chain (12-2) is also provided with gear (11), by crank (13), drive closed driving-chain (12-2) to rotate, closed driving-chain (12-2) driven gear (11) and trunnion axis (10) rotate, gear (11) is controlled the lifting of internal layer small blackboard (1) and outer small blackboard (2) again by opening driving-chain (12-1).
The utility model hand-rail type combined blackboard, it is characterized in that blackboard eraser dual-side has sliding tray (15), blackboard eraser body (14-3) inside near dual-side is provided with the through hole (16) that is parallel to sliding tray (15), through hole (16) is also communicated with sliding tray (15), in through hole (16), be provided with spring (17), (17) two ends of spring are all fixed with snib (18), snib (18) one end is fixed in spring (17), through hole (16) is stretched out in one end, spring (17) is all fixed with handle (19) near two terminal positions, by pinching two handles (19) of putting on every spring (17), can shrink by control spring (17), thereby control the ejection of snib (18), indentation, and then control the clamping of blackboard eraser with draw-in groove, unclamp.
The utility model hand-rail type combined blackboard, is characterized in that upright slide rail is two thin slices that are parallel to metope, and wafer spacing can be clipped in small blackboard wherein to slide or locate.
The utility model hand-rail type combined blackboard, it is characterized in that draw-in groove is four, be divided into inside and outside two groups, number consecutively is draw-in groove I (9-1), draw-in groove II (9-2), draw-in groove III (9-3), draw-in groove IV (9-4) from outside to inside, wherein: draw-in groove I (9-1), draw-in groove II (9-2) number draw-in groove are used for placing the outside blackboard eraser (14-1) of the outer small blackboard of wiping (2), and draw-in groove III (9-3), draw-in groove IV (9-4) number draw-in groove are used for placing the inner side blackboard eraser (14-2) of wiping internal layer small blackboard (1); Blackboard eraser without time lay respectively at draw-in groove I (9-1), draw-in groove III (9-3) number draw-in groove, while needing wiping, blackboard eraser is moved to draw-in groove II (9-2), draw-in groove IV (9-4) number draw-in groove; The spacing of the spacing of draw-in groove II (9-2) number draw-in groove and outer small blackboard (2), draw-in groove IV (9-4) number draw-in groove and internal layer small blackboard (1) is all slightly less than the thickness of blackboard eraser bristle (14-4), to guarantee that outside blackboard eraser (14-1) all can be close to respectively on outer small blackboard (2) and internal layer small blackboard (1) during in draw-in groove IV (9-4) number draw-in groove position in draw-in groove II (9-2) number draw-in groove and inner side blackboard eraser (14-2).
The beneficial effects of the utility model are:
1. shake crank and can control small blackboard lifting, be different from plug-type, applicable different height crowds, the problem such as effectively avoided pulling a muscle, jam a finger;
2. blackboard eraser position is set in advance, can wiped clean blackboard when blackboard movable up and down, the dust of having avoided the tradition mode of erasing the board to bring falls into eyes, drops on it or need to stand on chair multiple inconvenience and the potential safety hazards such as wiping.
Accompanying drawing explanation:
Fig. 1 is hand-rail type combined blackboard schematic diagram;
Fig. 2 is blackboard eraser idle state top view;
Fig. 3 is blackboard eraser wiping state top view;
Fig. 4 is blackboard eraser internal structure schematic diagram;
Fig. 5 is blackboard eraser top view;
Fig. 6 is blackboard eraser side view;
Wherein: 1-be internal layer small blackboard, 2-be outer small blackboard, 3-be dividing plate, 4-be base plate, 5-be side plate, 6-be top board, 7-be outside slide rail, 8-be inner side slide rail, 9-1-be draw-in groove I, 9-2-be draw-in groove II, 9-3-be draw-in groove III, 9-4-be draw-in groove IV, 10-be trunnion axis, 11-be gear, 12-1-be opening driving-chain, 12-2-be closed driving-chain, 13-be crank, 14-1-be outside blackboard eraser, 14-2-be inner side blackboard eraser, 14-3-be blackboard eraser body, 14-4-be hairbrush, 15-be sliding tray, 16-be through hole, 17-be spring, 18-be snib, 19-be handle.
The specific embodiment
Embodiment 1: the utility model discloses a kind of hand-rail type combined blackboard, comprise top board 6, side plate 5, base plate 4, dividing plate 3, small blackboard, upright slide rail, wherein: top board 6, side plate 5, base plate 4 surround a rectangular frame, and are separately fixed on body of wall;
It is inner and perpendicular to metope that dividing plate 3 is vertically arranged at framework;
It is a pair of combination that small blackboard is divided into outer small blackboard 2 and 1, outer small blackboard 2 of internal layer small blackboard and an internal layer small blackboard 1 according to it in metope spacing difference, can control it respectively in upper-lower position, writes respectively;
Upright slide rail is fixed on dividing plate 3, is respectively used to locate moving up and down of internal layer small blackboard 1 and outer small blackboard 2;
Characterized by further comprising trunnion axis 10, gear 11, driving-chain, crank 13, blackboard eraser, wherein:
Blackboard eraser is strip, comprise blackboard eraser body 14-3 and bristle 14-4, dividing plate 3 middle parts are provided with draw-in groove, and blackboard eraser is placed horizontally between two dividing plates 3 and is fixed in draw-in groove, by blackboard eraser is set, can controls blackboard eraser separation or be close to small blackboard in different draw-in grooves;
Trunnion axis 10 is fixed on top board 6 belows, be positioned at every a pair of small blackboard combination top, on axle, cover has gear 11, gear 11 is furnished with opening driving-chain 12-1, opening driving-chain 12-1 two ends connect respectively the internal layer small blackboard 1 and outer small blackboard 2 of a pair of combination, the closed driving-chain 12-2 of gear 11 use of trunnion axis 10 ends connects crank 13, crank 13 is fixed on side plate 5, the position that crank 13 connects closed driving-chain 12-2 is also provided with gear 11, by crank 13, drive closed driving-chain 12-2 to rotate, closed driving-chain 12-2 driven gear 11 and trunnion axis 10 rotate, gear 11 is controlled the lifting of internal layer small blackboard 1 and outer small blackboard 2 again by opening driving-chain 12-1.Blackboard eraser dual-side has sliding tray 15, blackboard eraser body 14-3 inside near dual-side is provided with the through hole 16 that is parallel to sliding tray 15, through hole 16 is also communicated with sliding tray 15, in through hole 16, be provided with spring 17, 17 two ends of spring are all fixed with snib 18, snib 18 one end are fixed in spring 17, through hole 16 is stretched out in one end, spring 17 is all fixed with handle 19 near two terminal positions, by pinching two handles 19 of putting on every spring 17, can shrink by control spring 17, thereby control the ejection of snib 18, indentation, and then control the clamping of blackboard eraser with draw-in groove, unclamp.Upright slide rail is two thin slices that are parallel to metope, and wafer spacing can be clipped in small blackboard wherein to slide or locate.Draw-in groove is four, be divided into inside and outside two groups, number consecutively is draw-in groove I 9-1, draw-in groove II 9-2, draw-in groove III 9-3, draw-in groove IV 9-4 from outside to inside, wherein: draw-in groove I 9-1, draw-in groove II 9-2 draw-in groove are for placing the outside blackboard eraser 14-1 of the outer small blackboard 2 of wiping, and draw-in groove III 9-3, draw-in groove IV 9-4 draw-in groove are for placing the inner side blackboard eraser 14-2 of wiping internal layer small blackboard 1; Blackboard eraser without time lay respectively at draw-in groove I 9-1, draw-in groove III 9-3 draw-in groove, while needing wiping, blackboard eraser is moved to draw-in groove II 9-2, draw-in groove IV 9-4 draw-in groove; The spacing of the spacing of draw-in groove II 9-2 draw-in groove and outer small blackboard 2, draw-in groove IV 9-4 draw-in groove and internal layer small blackboard 1 is all slightly less than the thickness of blackboard eraser bristle 14-4, to guarantee that outside blackboard eraser 14-1 all can be close to respectively on outer small blackboard 2 and internal layer small blackboard 1 during in draw-in groove IV 9-4 draw-in groove position in draw-in groove II 9-2 draw-in groove and inner side blackboard eraser 14-2.
Embodiment 2: the utility model discloses a kind of hand-rail type combined blackboard, comprise top board 6, side plate 5, base plate 4, dividing plate 3, small blackboard, upright slide rail, wherein: top board 6, side plate 5, base plate 4 surround a rectangular frame, and are separately fixed on body of wall;
It is inner and perpendicular to metope that dividing plate 3 is vertically arranged at framework;
It is a pair of combination that small blackboard is divided into outer small blackboard 2 and 1, outer small blackboard 2 of internal layer small blackboard and an internal layer small blackboard 1 according to it in metope spacing difference, can control it respectively in upper-lower position, writes respectively; The length of small blackboard 1 and small blackboard 2 is 2 meters, and wide is 1 meter, and thickness is 1.5 centimetres;
Upright slide rail is fixed on dividing plate 3, is respectively used to locate moving up and down of internal layer small blackboard 1 and outer small blackboard 2;
Characterized by further comprising trunnion axis 10, gear 11, driving-chain, crank 13, blackboard eraser, wherein:
Blackboard eraser is strip, comprise blackboard eraser body 14-3 and bristle 14-4, dividing plate 3 middle parts are provided with draw-in groove, and blackboard eraser is placed horizontally between two dividing plates 3 and is fixed in draw-in groove, by blackboard eraser is set, can controls blackboard eraser separation or be close to small blackboard in different draw-in grooves;
Trunnion axis 10 is fixed on top board 6 belows, be positioned at every a pair of small blackboard combination top, on axle, cover has gear 11, gear 11 is furnished with opening driving-chain 12-1, opening driving-chain 12-1 two ends connect respectively the internal layer small blackboard 1 and outer small blackboard 2 of a pair of combination, the closed driving-chain 12-2 of gear 11 use of trunnion axis 10 ends connects crank 13, crank 13 is fixed on side plate 5, the position that crank 13 connects closed driving-chain 12-2 is also provided with gear 11, by crank 13, drive closed driving-chain 12-2 to rotate, crank gear diameter is that 10 centimetres of closed driving-chain 12-2 driven gears 11 and trunnion axis 10 rotate, gear 11 is controlled the lifting of internal layer small blackboard 1 and outer small blackboard 2 again by opening driving-chain 12-1.Driving-chain length is 2.25 meters.Blackboard eraser dual-side has sliding tray 15, blackboard eraser body 14-3 inside near dual-side is provided with the through hole 16 that is parallel to sliding tray 15, through hole 16 is also communicated with sliding tray 15, in through hole 16, be provided with spring 17, 17 two ends of spring are all fixed with snib 18, snib 18 one end are fixed in spring 17, through hole 16 is stretched out in one end, spring 17 is all fixed with handle 19 near two terminal positions, by pinching two handles 19 of putting on every spring 17, can shrink by control spring 17, thereby control the ejection of snib 18, indentation, and then control the clamping of blackboard eraser with draw-in groove, unclamp.Upright slide rail is two thin slices that are parallel to metope, and wafer spacing can be clipped in small blackboard wherein to slide or locate.Draw-in groove is four, be divided into inside and outside two groups, number consecutively is draw-in groove I 9-1, draw-in groove II 9-2, draw-in groove III 9-3, draw-in groove IV 9-4 from outside to inside, wherein: draw-in groove I 9-1, draw-in groove II 9-2 draw-in groove are for placing the outside blackboard eraser 14-1 of the outer small blackboard 2 of wiping, and draw-in groove III 9-3, draw-in groove IV 9-4 draw-in groove are for placing the inner side blackboard eraser 14-2 of wiping internal layer small blackboard 1; Blackboard eraser without time lay respectively at draw-in groove I 9-1, draw-in groove III 9-3 draw-in groove, while needing wiping, blackboard eraser is moved to draw-in groove II 9-2, draw-in groove IV 9-4 draw-in groove; The spacing of the spacing of draw-in groove II 9-2 draw-in groove and outer small blackboard 2, draw-in groove IV 9-4 draw-in groove and internal layer small blackboard 1 is all slightly less than the thickness of blackboard eraser bristle 14-4, to guarantee that outside blackboard eraser 14-1 all can be close to respectively on outer small blackboard 2 and internal layer small blackboard 1 during in draw-in groove IV 9-4 draw-in groove position in draw-in groove II 9-2 draw-in groove and inner side blackboard eraser 14-2.
Claims (4)
1. a hand-rail type combined blackboard, comprises top board (6), side plate (5), base plate (4), dividing plate (3), small blackboard, upright slide rail, wherein:
Top board (6), side plate (5), base plate (4) surround a rectangular frame, and are separately fixed on body of wall;
It is inner and perpendicular to metope that dividing plate (3) is vertically arranged at framework;
Small blackboard is divided into outer small blackboard (2) and internal layer small blackboard (1) according to it in metope spacing difference, and an outer small blackboard (2) is a pair of combination with an internal layer small blackboard (1), can control it respectively in upper-lower position, writes respectively;
It is upper that upright slide rail is fixed on dividing plate (3), is respectively used to locate moving up and down of internal layer small blackboard (1) and outer small blackboard (2);
Characterized by further comprising trunnion axis (10), gear (11), driving-chain, crank (13), blackboard eraser, wherein:
Blackboard eraser is strip, comprise blackboard eraser body (14-3) and bristle (14-4), dividing plate (3) middle part is provided with draw-in groove, blackboard eraser is placed horizontally between two dividing plates (3) and is fixed in draw-in groove, by blackboard eraser is set, can controls blackboard eraser separation or be close to small blackboard in different draw-in grooves;
Trunnion axis (10) is fixed on top board (6) below, be positioned at every a pair of small blackboard combination top, on axle, cover has gear (11), gear (11) is furnished with opening driving-chain (12-1), opening driving-chain (12-1) two ends connect respectively the internal layer small blackboard (1) and outer small blackboard (2) of a pair of combination, the gear (11) of trunnion axis (10) end connects crank (13) with closed driving-chain (12-2), crank (13) is fixed on side plate (5), the position that crank (13) connects closed driving-chain (12-2) is also provided with gear (11), by crank (13), drive closed driving-chain (12-2) to rotate, closed driving-chain (12-2) driven gear (11) and trunnion axis (10) rotate, gear (11) is controlled the lifting of internal layer small blackboard (1) and outer small blackboard (2) again by opening driving-chain (12-1).
2. hand-rail type combined blackboard as claimed in claim 1, it is characterized in that blackboard eraser dual-side has sliding tray (15), blackboard eraser body (14-3) inside near dual-side is provided with the through hole (16) that is parallel to sliding tray (15), through hole (16) is also communicated with sliding tray (15), in through hole (16), be provided with spring (17), (17) two ends of spring are all fixed with snib (18), snib (18) one end is fixed in spring (17), through hole (16) is stretched out in one end, spring (17) is all fixed with handle (19) near two terminal positions, by pinching two handles (19) of putting on every spring (17), can shrink by control spring (17), thereby control the ejection of snib (18), indentation, and then control the clamping of blackboard eraser with draw-in groove, unclamp.
3. hand-rail type combined blackboard as claimed in claim 1, is characterized in that upright slide rail is two thin slices that are parallel to metope, and wafer spacing can be clipped in small blackboard wherein to slide or locate.
4. hand-rail type combined blackboard as claimed in claim 1, it is characterized in that draw-in groove is four, be divided into inside and outside two groups, number consecutively is draw-in groove I (9-1), draw-in groove II (9-2), draw-in groove III (9-3), draw-in groove IV (9-4) from outside to inside, wherein: draw-in groove I (9-1), draw-in groove II (9-2) number draw-in groove are used for placing the outside blackboard eraser (14-1) of the outer small blackboard of wiping (2), and draw-in groove III (9-3), draw-in groove IV (9-4) number draw-in groove are used for placing the inner side blackboard eraser (14-2) of wiping internal layer small blackboard (1); Blackboard eraser without time lay respectively at draw-in groove I (9-1), draw-in groove III (9-3) number draw-in groove, while needing wiping, blackboard eraser is moved to draw-in groove II (9-2), draw-in groove IV (9-4) number draw-in groove; The spacing of the spacing of draw-in groove II (9-2) number draw-in groove and outer small blackboard (2), draw-in groove IV (9-4) number draw-in groove and internal layer small blackboard (1) is all slightly less than the thickness of blackboard eraser bristle (14-4), to guarantee that outside blackboard eraser (14-1) all can be close to respectively on outer small blackboard (2) and internal layer small blackboard (1) during in draw-in groove IV (9-4) number draw-in groove position in draw-in groove II (9-2) number draw-in groove and inner side blackboard eraser (14-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189129.7U CN203844473U (en) | 2014-04-18 | 2014-04-18 | Hand-operated type combined blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189129.7U CN203844473U (en) | 2014-04-18 | 2014-04-18 | Hand-operated type combined blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203844473U true CN203844473U (en) | 2014-09-24 |
Family
ID=51557529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420189129.7U Expired - Fee Related CN203844473U (en) | 2014-04-18 | 2014-04-18 | Hand-operated type combined blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203844473U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708954A (en) * | 2015-04-01 | 2015-06-17 | 黄斌 | Environment-friendly double-layer light writing board |
| CN106157741A (en) * | 2016-09-13 | 2016-11-23 | 刘翔 | A kind of teaching board selectivity display device |
| CN106494131A (en) * | 2016-12-06 | 2017-03-15 | 湖南师范大学 | A kind of Gymnastics Teaching Multifunctional demonstration device |
-
2014
- 2014-04-18 CN CN201420189129.7U patent/CN203844473U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708954A (en) * | 2015-04-01 | 2015-06-17 | 黄斌 | Environment-friendly double-layer light writing board |
| CN106157741A (en) * | 2016-09-13 | 2016-11-23 | 刘翔 | A kind of teaching board selectivity display device |
| CN106494131A (en) * | 2016-12-06 | 2017-03-15 | 湖南师范大学 | A kind of Gymnastics Teaching Multifunctional demonstration device |
| CN106494131B (en) * | 2016-12-06 | 2018-01-12 | 湖南师范大学 | A kind of Gymnastics Teaching Multifunctional demonstration device |
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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: 20140924 Termination date: 20150418 |
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| EXPY | Termination of patent right or utility model |