CN208544005U

CN208544005U - A kind of blackboard convenient for wiping

Info

Publication number: CN208544005U
Application number: CN201721687793.4U
Authority: CN
Inventors: 潘怀旭
Original assignee: Song Bingqiang
Current assignee: Song Bingqiang
Priority date: 2017-12-07
Filing date: 2017-12-07
Publication date: 2019-02-26
Anticipated expiration: 2027-12-07

Abstract

The utility model discloses a kind of blackboards convenient for wiping, including fixed frame, the bottom of the fixed frame is fixedly connected with support rod, the support rod is fixedly hinged with traveling wheel far from one end of fixed frame, the upper surface of the fixed frame is inlaid with first bearing, the bottom of the fixed frame is inlaid with second bearing, the inner ring of the first bearing is fixedly connected with rotation axis, one end of the rotation axis runs through the inner ring of second bearing and extends to the outside of fixed frame, the rotation axis is fixedly connected with rotary electric machine far from one end of fixed frame, the lateral surface of the fixed frame is fixedly connected with the first guide rail, the lateral surface of the fixed frame is fixedly connected with the second guide rail, the symmetrical medial surface of the fixed frame offers card slot, the lateral surface of the rotation axis is wound with blackboard coiled material.This convenient for wiping blackboard, have convenient for wiping, convenient for user adjusting and have the advantages that dust reduction capability.

Description

A kind of blackboard convenient for wiping

Technical field

The utility model relates to educational facilities technical field, specially a kind of blackboard convenient for wiping.

Background technique

Education is that the purposeful planned organized physical and mental development to educatee of educator carries out enlightening cultivation by education, with existing Some experiences, knowledge are weighed in people, explain that various phenomenons, problem or behavior with growing ability experience are with people at all for it A kind of relative maturity or the thinking of rationality treated to recognize, allow things to be able to close to its most fundamental presence, people wherein, slowly It is slow that a kind of things is touched by sense organ to the state of Cognition Understanding, and form self anticipating for a kind of comparatively perfect or rationality Know thinking, but people has the thinking in self-consciousness simultaneously, and has its self sense organ dimension, so, it is any educational Conscious thinking may not can all be absolutely correct, and should inductively understand the direction of its thinking, as long as his not deviation things It is inherent.The implementation process of educational work also needs some auxiliary tools to help educator in addition to needing educator and educatee Or educatee completes the process entirely received an education, educational facilities mainly have a blackboard, projector, video disc player and player etc., Existing blackboard is not easy to the adjusting of user and does not have the problem of dust reduction capability with being inconvenient to wipe.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of blackboard convenient for wiping, has convenient for wiping, just In user adjusting and have the advantages that dust reduction capability, solve existing blackboard have be inconvenient to wipe, be not easy to the tune of user Save and do not have the problem of dust reduction capability.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of blackboard convenient for wiping, including fixation Frame, the bottom of the fixed frame are fixedly connected with support rod, one end fixed hinge of the support rod far from fixed frame There is traveling wheel, the upper surface of the fixed frame is inlaid with first bearing, and the bottom of the fixed frame is inlaid with second bearing, The inner ring of the first bearing is fixedly connected with rotation axis, and one end of the rotation axis is run through the inner ring of second bearing and extended to The outside of fixed frame, the rotation axis are fixedly connected with rotary electric machine far from one end of fixed frame, the fixed frame Lateral surface is fixedly connected with the first guide rail, and the lateral surface of the fixed frame is fixedly connected with the second guide rail, the fixed frame Symmetrical medial surface offers card slot, and the lateral surface of the rotation axis is wound with blackboard coiled material, the inside card of the card slot It is connected to blackboard coiled material, the lateral surface of the blackboard coiled material is fixedly connected with handle, and the handle is located remotely from the side of rotation axis Face, the inside of first guide rail are connected with electric pushrod, and the inside of second guide rail is connected with sliding block, the electric pushrod One end be fixedly connected with connecting rod, the connecting rod is fixedly connected with a slide block far from one end of electric pushrod, the bottom of the connecting rod It is fixedly connected with blackboard-cleaning brush, plane where the blackboard-cleaning brush is parallel to each other with plane where blackboard coiled material.

Preferably, the quantity at least two of the support rod, the quantity of the traveling wheel and the quantity of support rod are identical.

Preferably, the symmetrical one side of the support rod passes through hinge and is fixedly connected with support plate, the support plate Quantity be at least four, and the length of each support plate is less than the length of support rod.

Preferably, center line where the first bearing overlaps with center line where second bearing, the first axle The inner ring diameter size held is identical as the inner ring diameter size of second bearing.

Preferably, first guide rail and the second guide rail are parallel to each other, and the length of the length of the first guide rail and the second guide rail Spend identical, first guide rail and the second guide rail are respectively positioned in same plane.

Preferably, the lateral surface of the fixed frame is connected with fixed plate, and the fixed plate is magnet-type fixed plate, And fixed plate is located at the middle part of fixed frame.

(3) beneficial effect

The utility model provides a kind of blackboard convenient for wiping, have it is following the utility model has the advantages that

(1) blackboard coiled material can should be fixed together with fixed frame by fixed plate, favorably convenient for the blackboard of wiping It is write in user in blackboard coiled material upper surface, advantageously reduces the vibration of blackboard coiled material, while being conducive to Convenient blackboard volume The fixation of material is conducive to the operation for facilitating user and use, support rod can be fixed on designated position by support plate, favorably In the movement for avoiding traveling wheel, be conducive to the writing of user, reduce the movement of blackboard coiled material, it can be with when user does not need to write Support plate is holded up, it is small using frictional force between traveling wheel and ground, facilitate the mobile fixed frame of user, it can be with by traveling wheel The frictional force between support rod and ground is reduced, is conducive to user and pushes fixed frame, be conducive to the movement of blackboard coiled material, be convenient for The use of user is conducive to the popularization and use in market.

(2) blackboard-cleaning brush can should be fixed on by blackboard by the first guide rail and the second guide rail convenient for the blackboard of wiping The surface of coiled material is conducive to electric pushrod and drives blackboard-cleaning brush being wiped on the surface of blackboard coiled material back and forth, facilitates black The wiping of plate is conducive to be convenient for the user to use, and can wrap up the dust particles on blackboard coiled material, avoid by blackboard coiled material The phenomenon that dust particles appearance on blackboard coiled material is dispersed everywhere, is conducive to the breathing for protecting user, is conducive to the protection of environment, Rotation axis can be fixed on to the inside of first bearing and second bearing by first bearing and second bearing, be conducive to blackboard volume The scrolling of material, while rotation axis can be fixedly connected with fixed frame, rotation axis installation trouble is reduced, is had convenient for wiping Wipe, convenient for user adjusting and have the advantages that dust reduction capability.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the utility model structure；

Fig. 2 is the side view of the utility model structure.

In figure: 1 fixed frame, 2 support rods, 3 support plates, 4 traveling wheels, 5 first bearings, 6 second bearings, 7 rotation axis, 8 First guide rail, 9 fixed plates, 10 card slots, 11 blackboard coiled materials, 12 second guide rails, 13 electric pushrods, 14 sliding blocks, 15 connecting rods, 16 rotations Motor, 17 handles, 18 blackboard-cleaning brushes.

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.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of blackboard convenient for wiping, including fixed frame Frame 1, the lateral surface of fixed frame 1 are connected with fixed plate 9, and fixed plate 9 is magnet-type fixed plate, and fixed plate 9 is located at admittedly Blackboard coiled material 11 and fixed frame 1 can be fixed together by fixed plate 9, be conducive to user black by the middle part for determining frame 1 11 upper surface of coiled material is write, and the vibration of blackboard coiled material 11 is advantageously reduced, while being conducive to Convenient blackboard coiled material 11 It is fixed, be conducive to the operation for facilitating user and use, the bottom of fixed frame 1 is fixedly connected with support rod 2, the number of support rod 2 Amount at least two, the quantity of traveling wheel 4 is identical with the quantity of support rod 2, and the symmetrical one side of support rod 2 passes through hinge It is fixedly connected with support plate 3, the quantity of support plate 3 is at least four, and the length of each support plate 3 is less than the length of support rod 2 Degree, can be fixed on designated position for support rod 2 by support plate 3, be conducive to the movement for avoiding traveling wheel 4, be conducive to user Writing, reduce blackboard coiled material 11 movement, when user do not need write when support plate 3 can be holded up, using traveling wheel 4 with Frictional force is small between ground, facilitates the mobile fixed frame 1 of user, can be reduced between support rod 2 and ground by traveling wheel 4 Frictional force is conducive to user and pushes fixed frame 1, is conducive to the movement of blackboard coiled material 11, is easy to use by users, be conducive to city The popularization and use of field, support rod 2 are fixedly hinged with traveling wheel 4, the upper surface of fixed frame 1 far from one end of fixed frame 1 It is inlaid with first bearing 5,5 place center line of first bearing overlaps with 6 place center line of second bearing, first bearing 5 Inner ring diameter size is identical as the inner ring diameter size of second bearing 6, can will be rotated by first bearing 5 and second bearing 6 Axis 7 is fixed on the inside of first bearing 5 and second bearing 6, is conducive to the scrolling of blackboard coiled material 11, while can be by rotation axis 7 It being fixedly connected with fixed frame 1, reduces 7 installation trouble of rotation axis, the bottom of fixed frame 1 is inlaid with second bearing 6, and first The inner ring of bearing 5 is fixedly connected with rotation axis 7, and one end of rotation axis 7 runs through the inner ring of second bearing 6 and extends to fixed frame 1 outside, rotation axis 7 are fixedly connected with rotary electric machine 16 far from one end of fixed frame 1, and the lateral surface of fixed frame 1 is fixed It is connected with the first guide rail 8, the first guide rail 8 and the second guide rail 12 are parallel to each other, and the length of the first guide rail 8 and the second guide rail 12 Length is identical, and the first guide rail 8 and the second guide rail 12 are respectively positioned in same plane, can be with by the first guide rail 8 and the second guide rail 12 Blackboard-cleaning brush 18 is fixed on to the surface of blackboard coiled material 11, be conducive to electric pushrod 13 drive blackboard-cleaning brush 18 back and forth The surface of blackboard coiled material 11 is wiped, and the wiping of Convenient blackboard is conducive to be convenient for the user to use, the outside of fixed frame 1 Face is fixedly connected with the second guide rail 12, and the symmetrical medial surface of fixed frame 1 offers card slot 10, the lateral surface of rotation axis 7 It is wound with blackboard coiled material 11, the inside of card slot 10 is connected with blackboard coiled material 11, and the lateral surface of blackboard coiled material 11 is fixedly connected with handle Hand 17, handle 17 are located remotely from the one side of rotation axis 7, and the inside of the first guide rail 8 is connected with electric pushrod 13, the second guide rail 12 Inside be connected with sliding block 14, one end of electric pushrod 13 is fixedly connected with connecting rod 15, connecting rod 15 far from electric pushrod 13 one End is fixedly connected with sliding block 14, and the bottom of connecting rod 15 is fixedly connected with blackboard-cleaning brush 18,18 place plane of blackboard-cleaning brush and 11 place plane of blackboard coiled material is parallel to each other.

Working principle: blackboard coiled material 11 is drawn and arrives designated position by starting rotary electric machine 16, using fixed plate 9 by blackboard coiled material 11 and fixed frame 1 be fixed together, open electric pushrod 13, electric pushrod 13 drive blackboard-cleaning brush 18 blackboard roll up The surface of material 11 is wiped.

In conclusion should be convenient for the blackboard of wiping, it can be fixed by blackboard coiled material 11 and fixed frame 1 by fixed plate 9 Together, be conducive to user to write in 11 upper surface of blackboard coiled material, advantageously reduce the vibration of blackboard coiled material 11, have simultaneously Conducive to the fixation of Convenient blackboard coiled material 11, be conducive to the operation for facilitating user and use, it can be by support rod 2 by support plate 3 It is fixed on designated position, is conducive to the movement for avoiding traveling wheel 4, is conducive to the writing of user, reduces the movement of blackboard coiled material 11, Support plate 3 can be holded up when user does not need and writes, it is small using frictional force between traveling wheel 4 and ground, facilitate user to move Dynamic fixed frame 1 reduces the frictional force between support rod 2 and ground by traveling wheel 4, is conducive to user and pushes fixed frame, The movement for being conducive to blackboard coiled material, is easy to use by users, and is conducive to the popularization and use in market, passes through the first guide rail 8 and Blackboard-cleaning brush 18 can be fixed on the surface of blackboard coiled material 11 by two guide rails 12, are conducive to electric pushrod 13 and are driven blackboard-cleaning The surface in blackboard coiled material 11 of brush 18 back and forth is wiped, and the wiping of Convenient blackboard is conducive to be convenient for the user to use, pass through The dust particles that blackboard coiled material 11 can roll up blackboard on 11 wrap up, and the dust particles on blackboard coiled material 11 is avoided to occur flying everywhere Scattered phenomenon is conducive to the breathing for protecting user, is conducive to the protection of environment, can be incited somebody to action by first bearing 5 and second bearing 6 Rotation axis solid 7 is scheduled on the inside of first bearing 5 and second bearing 6, is conducive to the scrolling of blackboard coiled material 11, while can will rotate Axis 7 is fixedly connected with fixed frame 1, reduces 7 installation trouble of rotation axis, solves existing blackboard with being inconvenient to wipe, no The problem of convenient for the adjusting of user and without dust reduction capability.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of blackboard convenient for wiping, including fixed frame (1), it is characterised in that: the bottom of the fixed frame (1) is fixed It is connected with support rod (2), the support rod (2) is fixedly hinged with traveling wheel (4) far from the one end of fixed frame (1), described solid The upper surface for determining frame (1) is inlaid with first bearing (5), and the bottom of the fixed frame (1) is inlaid with second bearing (6), institute The inner ring for stating first bearing (5) is fixedly connected with rotation axis (7), and one end of the rotation axis (7) is through the interior of second bearing (6) The outside of fixed frame (1) is enclosed and extends to, the rotation axis (7) is fixedly connected with rotation far from the one end of fixed frame (1) The lateral surface of motor (16), the fixed frame (1) is fixedly connected with the first guide rail (8), the lateral surface of the fixed frame (1) It is fixedly connected with the second guide rail (12), the symmetrical medial surface of the fixed frame (1) offers card slot (10), the rotation The lateral surface of axis (7) is wound with blackboard coiled material (11), and the inside of the card slot (10) is connected with blackboard coiled material (11), the blackboard The lateral surface of coiled material (11) is fixedly connected with handle (17), and the handle (17) is located remotely from the one side of rotation axis (7), described The inside of first guide rail (8) is connected with electric pushrod (13), and the inside of second guide rail (12) is connected with sliding block (14), described One end of electric pushrod (13) is fixedly connected with connecting rod (15), the connecting rod (15) one end and sliding block far from electric pushrod (13) (14) it is fixedly connected, the bottom of the connecting rod (15) is fixedly connected with blackboard-cleaning brush (18), blackboard-cleaning brush (18) institute It is parallel to each other in plane where plane with blackboard coiled material (11).

2. a kind of blackboard convenient for wiping according to claim 1, it is characterised in that: the quantity of the support rod (2) is extremely It is less two, the quantity of the traveling wheel (4) is identical with the quantity of support rod (2).

3. a kind of blackboard convenient for wiping according to claim 1, it is characterised in that: the support rod (2) is symmetrical One side passes through hinge and is fixedly connected with support plate (3), and the quantity of the support plate (3) is at least four, and each support The length of plate (3) is less than the length of support rod (2).

4. a kind of blackboard convenient for wiping according to claim 1, it is characterised in that: in where the first bearing (5) Heart line overlaps with center line where second bearing (6), the inner ring diameter size and second bearing of the first bearing (5) (6) inner ring diameter size is identical.

5. a kind of blackboard convenient for wiping according to claim 1, it is characterised in that: first guide rail (8) and second Guide rail (12) is parallel to each other, and the length of the first guide rail (8) is identical as the length of the second guide rail (12), first guide rail (8) It is respectively positioned in same plane with the second guide rail (12).

6. a kind of blackboard convenient for wiping according to claim 1, it is characterised in that: the outside of the fixed frame (1) Face is connected with fixed plate (9), and the fixed plate (9) is magnet-type fixed plate, and fixed plate (9) is located at fixed frame (1) Middle part.