CN208789338U - A kind of Chinese teaching blackboard with wiping function - Google Patents

A kind of Chinese teaching blackboard with wiping function Download PDF

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Publication number
CN208789338U
CN208789338U CN201820625484.2U CN201820625484U CN208789338U CN 208789338 U CN208789338 U CN 208789338U CN 201820625484 U CN201820625484 U CN 201820625484U CN 208789338 U CN208789338 U CN 208789338U
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CN
China
Prior art keywords
substrate
sides
screw rod
blackboard
driving
Prior art date
Application number
CN201820625484.2U
Other languages
Chinese (zh)
Inventor
伍伟权
Original Assignee
伍伟权
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 伍伟权 filed Critical 伍伟权
Priority to CN201820625484.2U priority Critical patent/CN208789338U/en
Application granted granted Critical
Publication of CN208789338U publication Critical patent/CN208789338U/en

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Abstract

The utility model discloses a kind of Chinese teaching blackboards with wiping function, including substrate, blackboard body, movable stand and bottom plate;The blackboard plate body fitting is fixed on the front end face of substrate, and the front end face of substrate is symmetrically arranged with rack gear in two sides up and down, and the flank of tooth of rack gear described in two sides is oppositely arranged;The movable stand is slidably connected between rack gear described in two sides;The upper and lower ends of the movable stand are symmetrically arranged with driving gear;The lower section of substrate is arranged in the bottom plate, is symmetrically arranged with idler wheel at left and right sides of bottom plate;Rolling bearing units are symmetrically fixed at left and right sides of the top of the pedestal, are rotatably connected to Bidirectional-screw between rolling bearing units described in two sides;The two sides body of rod periphery of the Bidirectional-screw is arranged with the second screw rod sleeve being matched therewith respectively.The utility model can easily wipe blackboard, and wiping is high-efficient, and wiping effect is good, and the expansion for language teaching work improves convenience, have a vast market foreground.

Description

A kind of Chinese teaching blackboard with wiping function

Technical field

The utility model relates to a kind of teaching aid, specifically a kind of Chinese teaching blackboard with wiping function.

Background technique

Chinese language is the abbreviation of language and literature, culture, including spoken word and written language;Spoken word is more random, It is directly understandable, and written language is particular about accurate and grammer;Literature includes ancient and modern Chinese and foreign literature etc..This explains concept relatively narrower, because Not only there is literature and art literary (literature, Chinese folk art forms etc.) for the article in Chinese language, there are also many practical writings (practical writings).Popular says, language It exactly speaks art.

It needs to carry out a large amount of writing on the blackboard writing in the language teaching course of work, wiping blackboard, existing hand can be frequently necessary to Duan Doushi teacher wipes blackboard using blackboard eraser, more bothersome laborious, influences the efficiency of teaching of teacher.

Utility model content

The purpose of this utility model is to provide a kind of Chinese teaching blackboards with wiping function, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides the following technical solutions:

A kind of Chinese teaching blackboard with wiping function, including substrate, blackboard body, movable stand and bottom plate;It is described black The fitting of plate plate body is fixed on the front end face of substrate, and the front end face of substrate is symmetrically arranged with rack gear, tooth described in two sides in two sides up and down The flank of tooth of item is oppositely arranged;The movable stand is slidably connected between rack gear described in two sides, on movable stand along its length etc. Away from multiple intermeshing driven gears are laid with, driven gear is rotatably connected on movable stand by shaft, and shaft is close to black One end of plate ontology is fixed with link block, is provided with cleaning layer on link block;The upper and lower ends of the movable stand are symmetrically arranged with Driving gear, driving gear are meshed with rack gear and driven gear simultaneously;The movable stand is equipped with the driving for driving its movement Mechanism;The lower section of substrate is arranged in the bottom plate, and idler wheel is symmetrically arranged at left and right sides of bottom plate, and idler wheel is rotated by wheel shaft to be connected Connect bottom plate;Rolling bearing units are symmetrically fixed at left and right sides of the top of the pedestal, are rotatablely connected between rolling bearing units described in two sides There is Bidirectional-screw, wherein being equipped with the second motor of driving Bidirectional-screw rotation on the rolling bearing units of right side;The two-way silk The two sides body of rod periphery of bar is arranged with the second screw rod sleeve being matched therewith, the company of being hinged at the top of the second screw rod sleeve respectively Frame is connect, the other end of connection frame is hinged to the bottom of substrate.

It is connected on link block as a further solution of the present invention: the cleaning layer is detachable.

As a further solution of the present invention: the driving mechanism includes driving screw rod, driving screw rod rotational installation At the top of substrate, the right end of screw rod is driven to be sequentially connected with first motor, the body of rod periphery of screw rod is driven to be arranged with and its phase First screw rod sleeve of cooperation, the bottom of the first screw rod sleeve is connect with movable stand.

As a further solution of the present invention: the first motor is installed on substrate.

As a further solution of the present invention: the bottom of the substrate is further fixed on guide post, guide post it is another End is slidably connected across bottom plate and with bottom plate.

As a further solution of the present invention: the guide post is provided with multiple and distribution and substrate bottom four corners Place.

Compared with prior art, the utility model has the beneficial effects that

When wiping blackboard, driving screw rod rotation is driven by first motor, driving screw rod is driven by the first screw rod sleeve and moved Moving frame is mobile, and driving tooth wheel and rack generates rotation after being meshed, so that driven gear be driven to rotate, and then link block is driven to turn It is dynamic, so that cleaning layer can not only be moved in a straight line when wiping to blackboard body, but also can produce rotation, to improve wiping Efficiency is wiped, guarantees wiping effect;When height adjustment, it is rotated by the second motor driven Bidirectional-screw, to drive the second of two sides Screw rod sleeve is located remotely from each other or draws close, and the second screw rod sleeve is driven by connection frame move down on substrate in the process of moving It is dynamic, to realize the adjusting to blackboard body height, while being driven using screw rod, so that blackboard body movement is got up more Steadily, the safety of operation is improved.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the Chinese teaching blackboard with wiping function.

Fig. 2 is the cooperation schematic diagram of driven gear and movable stand in the Chinese teaching blackboard with wiping function.

Fig. 3 is the enlarged structure schematic diagram of A in Fig. 1.

In figure: 1- substrate, 11- rack gear, 2- blackboard body, 3- movable stand, 4- driven gear, 41- shaft, 5- link block, 51- cleaning layer, 6- driving screw rod, 61- first motor, the first screw rod of 62- sleeve, 7- bottom plate, 71- rolling bearing units, 72- idler wheel, 721- wheel shaft, 8- Bidirectional-screw, the second motor of 81-, the second screw rod of 82- sleeve, 821- connection frame, 9- guide post, 10- driving tooth Wheel.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~3, in the utility model embodiment, a kind of Chinese teaching blackboard with wiping function, including base Plate 1, blackboard body 2, movable stand 3 and bottom plate 7;The fitting of blackboard plate body 2 is fixed on the front end face of substrate 1, before substrate 1 End face is symmetrically arranged with rack gear 11 in two sides up and down, and the flank of tooth of rack gear 11 described in two sides is oppositely arranged;The sliding of the movable stand 3 connects It connects between the rack gear 11 described in two sides, is equidistantly laid with multiple intermeshing driven gears 4 on movable stand 3 along its length, Driven gear 4 is rotatably connected on movable stand 3 by shaft 41, and shaft 41 is fixed with link block close to one end of blackboard body 2 5, cleaning layer 51 is provided on link block 5, further, cleaning layer 51 is detachable to be connected on link block 5, so as to It is replaced;The upper and lower ends of the movable stand 3 are symmetrically arranged with driving gear 10, driving gear 10 simultaneously with rack gear 11 and from Moving gear 4 is meshed, and when movable stand 3 is mobile, driving gear 10 generates rotation after being meshed with rack gear 11, to drive driven Gear 4 rotates, and then link block 5 is driven to rotate, so that cleaning layer 51 can both do straight line when wiping to blackboard body 2 Movement, and can produce rotation, to improve wiping efficiency, guarantee wiping effect;The movable stand 3 is equipped with its movement of driving Driving mechanism;The driving mechanism includes driving screw rod 6, and driving screw rod 6 is rotatably installed in the top of substrate 1, drives screw rod 6 Right end be sequentially connected with first motor 61, first motor 61 is installed on substrate 1, and the body of rod periphery of driving screw rod 6 is arranged with The first screw rod sleeve 62 being matched therewith, the bottom of the first screw rod sleeve 62 are connect with movable stand 3;

The lower section of substrate 1 is arranged in the bottom plate 7, and the left and right sides of bottom plate 7 is symmetrically arranged with idler wheel 72, and idler wheel 72 passes through Wheel shaft 721 is rotatablely connected bottom plate 7;Rolling bearing units 71 are symmetrically fixed at left and right sides of the top of the pedestal 7, are usherd to seat described in two sides It is rotatably connected to Bidirectional-screw 8 between bearing 71, is rotated wherein being equipped with driving Bidirectional-screw 8 on the rolling bearing units 71 of right side The second motor 81;The two sides body of rod periphery of the Bidirectional-screw 8 is arranged with the second screw rod sleeve 82 being matched therewith respectively, The top of second screw rod sleeve 82 is hinged with connection frame 821, and the other end of connection frame 821 is hinged to the bottom of substrate 1, work When, it is rotated by the second motor 81 driving Bidirectional-screw 8, so that the second screw rod sleeve 82 of two sides be driven to be located remotely from each other or lean on Hold together, the second screw rod sleeve 82 drives substrate 1 to move up and down by connection frame 821 in the process of moving, to realize to blackboard The adjusting of 2 height of ontology, while being driven using screw rod, so that the movement of blackboard body 2 is got up more steadily, improve operation Safety;

The bottom of the substrate 1 is further fixed on guide post 9, and the other end of guide post 9 passes through bottom plate 7 and slides with bottom plate 7 By the way that guide post 9 is arranged integrally-built stability can be improved, further, guide post 9 is provided with multiple and divides in connection At the bottom four corners of cloth and substrate 1.

The working principle of the utility model is:

When wiping blackboard, driving screw rod 6 is driven to rotate by first motor 61, driving screw rod 6 passes through the first screw rod sleeve 62 Drive movable stand 3 mobile, driving gear 10 generates rotation after being meshed with rack gear 11, to drive driven gear 4 to rotate, in turn It drives link block 5 to rotate, so that cleaning layer 51 can not only be moved in a straight line when wiping to blackboard body 2, but also can produce Raw rotation guarantees wiping effect to improve wiping efficiency;When height adjustment, 8 turns of Bidirectional-screw are driven by the second motor 81 Dynamic, so that the second screw rod sleeve 82 of two sides be driven to be located remotely from each other or draw close, the second screw rod sleeve 82 is in the process of moving It drives substrate 1 to move up and down by connection frame 821, to realize the adjusting to 2 height of blackboard body, while being carried out using screw rod Transmission improves the safety of operation so that the movement of blackboard body 2 is got up more steadily.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

1. a kind of Chinese teaching blackboard with wiping function, including substrate (1), blackboard body (2), movable stand (3) and bottom plate (7);It is characterized in that, blackboard body (2) fitting is fixed on the front end face of substrate (1), above and below the front end face of substrate (1) Two sides are symmetrically arranged with rack gear (11), and the flank of tooth of rack gear (11) described in two sides is oppositely arranged;Movable stand (3) are slidably connected Between the rack gear described in two sides (11), multiple intermeshing driven gears are equidistantly laid on movable stand (3) along its length (4), driven gear (4) is rotatably connected on movable stand (3) by shaft (41), and the one of shaft (41) close blackboard body (2) End is fixed with link block (5), and cleaning layer (51) are provided on link block (5);The upper and lower ends of the movable stand (3) are symmetrical arranged Have driving gear (10), driving gear (10) is meshed with rack gear (11) and driven gear (4) simultaneously;The movable stand (3) is matched Have the driving mechanism of its movement of driving;The bottom plate (7) is arranged in the lower section of substrate (1), and the left and right sides of bottom plate (7) is symmetrical It is provided with idler wheel (72), idler wheel (72) passes through wheel shaft (721) rotation connection bottom plate (7);At left and right sides of the top of the bottom plate (7) It is symmetrically fixed with rolling bearing units (71), Bidirectional-screw (8) is rotatably connected between rolling bearing units (71) described in two sides, wherein right side The second motor (81) of driving Bidirectional-screw (8) rotation is installed on the rolling bearing units (71);The two of the Bidirectional-screw (8) Side lever body periphery is arranged with the second screw rod sleeve (82) being matched therewith respectively, is hinged at the top of the second screw rod sleeve (82) The other end of connection frame (821), connection frame (821) is hinged to the bottom of substrate (1).
2. the Chinese teaching blackboard according to claim 1 with wiping function, which is characterized in that the cleaning layer (51) Detachable is connected on link block (5).
3. the Chinese teaching blackboard according to claim 1 with wiping function, which is characterized in that the driving mechanism packet Driving screw rod (6) is included, driving screw rod (6) is rotatably installed in the top of substrate (1), and the right end of driving screw rod (6) is sequentially connected with The body of rod periphery of first motor (61), driving screw rod (6) is arranged with the first screw rod sleeve (62) being matched therewith, the first screw rod The bottom of sleeve (62) is connect with movable stand (3).
4. the Chinese teaching blackboard according to claim 3 with wiping function, which is characterized in that the first motor (61) it is mounted on substrate (1).
5. the Chinese teaching blackboard according to claim 1 with wiping function, which is characterized in that the substrate (1) Bottom is further fixed on guide post (9), and the other end of guide post (9) passes through bottom plate (7) and is slidably connected with bottom plate (7).
6. the Chinese teaching blackboard according to claim 5 with wiping function, which is characterized in that the guide post (9) It is provided at the multiple and bottom four corners of distribution and substrate (1).
CN201820625484.2U 2018-04-28 2018-04-28 A kind of Chinese teaching blackboard with wiping function CN208789338U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820625484.2U CN208789338U (en) 2018-04-28 2018-04-28 A kind of Chinese teaching blackboard with wiping function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820625484.2U CN208789338U (en) 2018-04-28 2018-04-28 A kind of Chinese teaching blackboard with wiping function

Publications (1)

Publication Number Publication Date
CN208789338U true CN208789338U (en) 2019-04-26

Family

ID=66199609

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820625484.2U CN208789338U (en) 2018-04-28 2018-04-28 A kind of Chinese teaching blackboard with wiping function

Country Status (1)

Country Link
CN (1) CN208789338U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110328990A (en) * 2019-06-28 2019-10-15 嘉兴悦珂贸易有限公司 A kind of electronic equipment and mobile unit using gesture operation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110328990A (en) * 2019-06-28 2019-10-15 嘉兴悦珂贸易有限公司 A kind of electronic equipment and mobile unit using gesture operation

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