CN110696530A

CN110696530A - Rail-changing type push-pull blackboard

Info

Publication number: CN110696530A
Application number: CN201911115702.3A
Authority: CN
Inventors: 付湘伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-01-17

Abstract

The invention belongs to the technical field of teaching aids, and particularly relates to a rail-changing type push-pull blackboard which comprises a fixed frame, wherein a first slide rail, an arc-shaped guide groove and a second slide rail are arranged in the fixed frame; according to the blackboard, the movable plate blackboard can be moved left and right according to the use of teaching personnel by arranging the first sliding rail, the second sliding rail and the arc-shaped guide groove, the movable plate blackboard can be fixed at different places by arranging a plurality of magnets through mutual matching of the magnets, the movable plate blackboard can be retracted into the first sliding groove when the movable plate blackboard is not used by arranging the tightening device through the internal tightening wheel, the return spring and the tightening rope, meanwhile, the tightening device can also play a certain limiting role, and the blackboard has a better use effect through mutual matching of the structures.

Description

Rail-changing type push-pull blackboard

Technical Field

The invention belongs to the technical field of teaching aids, and particularly relates to a rail-changing type push-pull blackboard.

Background

The blackboard is the instrument that teaching is commonly used, the majority blackboard all is the snap-on the wall, this kind of blackboard can bring a lot of inconveniences, for example the student of one side is difficult to see the word on the blackboard of opposite side, the plug-type blackboard of constituteing by a plurality of blackboards has appeared very early on the influence teaching effect market in view of the above, just put forward one kind and control the push-and-pull blackboard, mainly lean on the spout realization in the blackboard frame to the removal of blackboard, it has a lot of drawbacks to show this kind of mode very obviously, it is mostly multimedia teaching now, need use plug-type blackboard for making things convenient for multimedia's use, it also needs to demonstrate whole blackboard to use multimedia messenger simultaneously, current blackboard can's unable will withdraw after the use, the concurrent operation is also not very simple and convenient, consequently, improve.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides a rail-changeable push-pull blackboard which has the characteristics of quick use and no influence on the use of the whole blackboard after being retracted.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a become rail formula push-and-pull blackboard, includes the mount, be provided with first slide rail, arc guide way and second slide rail in the mount, the right-hand member and the arc guide way fixed connection of first slide rail, the right-hand member and the second slide rail fixed connection of arc guide way, sliding connection has the universal wheel in the first slide rail, the upper end fixedly connected with fly leaf blackboard of universal wheel, the left end fixedly connected with tightening means of mount, the right-hand member top fixedly connected with fixed plate blackboard of mount.

Preferably, magnets are fixedly connected in the fixing frame and the movable plate blackboard, a sliding groove is formed in the fixing frame, the sliding groove is connected with a pulley in a sliding mode, and the pulley is fixedly connected with the movable plate blackboard.

Preferably, tightening means includes tighten up wheel, return spring, fixed axle and tightens up the rope, the bottom and the mount fixed connection of fixed axle, the fixed surface of fixed axle is connected with return spring, return spring's other end fixedly connected with tightens up the wheel, the fixed surface of tightening up the wheel is connected with tightens up the rope, the other end and the fly leaf blackboard fixed connection of tightening up the rope.

Preferably, the bottom end of the fixing frame is fixedly connected with the tray, and the side face of the movable plate blackboard is fixedly connected with the handle.

Preferably, the side face of the blackboard of the fixed plate is fixedly connected with a sealing gasket, the side face of the sealing gasket is in lap joint with the movable plate blackboard, a through hole is formed in the second sliding rail, and the through hole is communicated with the tray.

Compared with the prior art, the invention has the beneficial effects that:

according to the blackboard, the movable plate blackboard can be moved left and right according to the use of teaching personnel by arranging the first sliding rail, the second sliding rail and the arc-shaped guide groove, the movable plate blackboard is more stable while moving under the matching of the sliding groove, the pulley and the universal wheel, the movable plate blackboard can be fixed in different places by arranging a plurality of magnets through the mutual matching of the magnets, the movable plate blackboard can be retracted into the first sliding groove when the movable plate blackboard is not used by arranging the tightening device through the internal tightening wheel, the return spring and the tightening rope, meanwhile, the tightening device can also play a certain limiting role, and the using effect of the blackboard is better through the mutual matching among the structures.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the movable blackboard of the present invention;

FIG. 3 is an enlarged view of the structure at A in the present invention;

FIG. 4 is an enlarged top view of the tightening mechanism of the present invention;

in the figure: 1. a fixed mount; 2. a first slide rail; 3. a movable board blackboard; 4. a tightening device; 41, a take-up wheel; 42. a return spring; 43. a fixed shaft; 44. tightening the rope; 5. a magnet; 6. a gasket; 7. a blackboard with a fixed plate; 8. an arc-shaped guide groove; 9. a second slide rail; 10. a through hole; 11. a tray; 12. a chute; 13. a pulley; 14. a handle; 15. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a become rail formula push-and-pull blackboard, includes mount 1, be provided with first slide rail 2, arc guide way 8 and second slide rail 9 in the mount 1, can remove fly leaf blackboard 3 according to teaching personnel's use through setting up first slide rail 2, second slide rail 9 and arc guide way 8 and control, make fly leaf blackboard 3 more stable when removing under the cooperation of spout 12, pulley 13 and universal wheel 15, the right-hand member and the arc guide way 8 fixed connection of first slide rail 2, the right-hand member and the second slide rail 9 fixed connection of arc guide way 8, sliding connection has universal wheel 15 in first slide rail 2, the upper end fixedly connected with fly leaf blackboard 3 of universal wheel 15, the left end fixedly connected with tightening means 4 of mount 1, the right-hand member top fixedly connected with fixed plate blackboard 7 of mount 1.

Specifically, fixed connection magnet 5 in mount 1 and the fly leaf blackboard 3 sets up a plurality of magnet 5, enables the fixed of fly leaf blackboard 3 in different places through mutually supporting of magnet 5, spout 12 has been seted up in the mount 1, sliding connection and pulley 13 in the spout 12, pulley 13 and fly leaf blackboard 3 fixed connection.

Specifically, tightening mechanism 4 is including tightening wheel 41, return spring 42, fixed axle 43 and tightening rope 44, the bottom and the 1 fixed connection of mount of fixed axle 43, the fixed surface fixedly connected with return spring 42 of fixed axle 43 sets up tightening mechanism 4 and can retrieve fly leaf blackboard 3 when not using fly leaf blackboard 3 in first spout 12 through inside tightening wheel 41, return spring 42 and tightening rope 44, and tightening mechanism 4 also can play certain limiting displacement simultaneously, the other end fixedly connected with tightening wheel 41 of return spring 42, the fixed surface fixedly connected with tightening rope 44 of tightening wheel 41, the other end and the fly leaf blackboard 3 fixed connection of tightening rope 44.

Specifically, the bottom fixed connection tray 11 of mount 1 sets up tray 11 and can carry out unified collection to the powder that the teaching person produced when writing, the side fixedly connected with handle 14 of fly leaf blackboard 3.

Specifically, the side face of the fixed plate blackboard 7 is fixedly connected with a sealing gasket 6, the side face of the sealing gasket 6 is in lap joint with the movable plate blackboard 3, a through hole 10 is formed in the second sliding rail 9, and the through hole 10 is communicated with the tray 11.

The working principle and the using process of the invention are as follows: when the movable blackboard eraser is used, a teacher pulls the handle 14 to separate the magnet 5 on the back of the movable blackboard 3 from the magnet 5 on the fixed frame 1, meanwhile pulls the movable blackboard 3 rightwards under the matching of the first slide rail 2, the arc-shaped guide groove 8 and the second slide rail 9, when the movable blackboard 3 is pulled to the rightmost end, the movable blackboard is fixed through the attraction of the magnet 5 on the right end of the fixed frame 1, when the movable blackboard 3 is not used, the movable blackboard 3 is retracted into the first slide rail 2 under the matching action of the tightening rope 44, the tightening wheel 41, the return spring 42, the universal wheel 15 and the pulley 13 only by separating the magnet 5 on the rightmost end of the fixed frame 1 from the magnet 5 on the movable blackboard 3, and the use and the storage of the movable blackboard 3 are completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a become rail formula push-and-pull blackboard, includes mount (1), its characterized in that: be provided with first slide rail (2), arc guide way (8) and second slide rail (9) in mount (1), the right-hand member and arc guide way (8) fixed connection of first slide rail (2), the right-hand member and second slide rail (9) fixed connection of arc guide way (8), sliding connection has universal wheel (15) in first slide rail (2), the upper end fixedly connected with fly leaf blackboard (3) of universal wheel (15), the left end fixedly connected with tightening means (4) of mount (1), the right-hand member top fixedly connected with fixed plate blackboard (7) of mount (1).

2. The rail-changeable push-pull blackboard according to claim 1, wherein: fixed connection magnet (5) in mount (1) and fly leaf blackboard (3), spout (12) have been seted up in mount (1), sliding connection and pulley (13) in spout (12), pulley (13) and fly leaf blackboard (3) fixed connection.

3. The rail-changeable push-pull blackboard according to claim 1, wherein: tightening means (4) are including tightening wheel (41), return spring (42), fixed axle (43) and tighten up rope (44), the bottom and mount (1) fixed connection of fixed axle (43), the fixed surface of fixed axle (43) is connected with return spring (42), the other end fixedly connected with tightening wheel (41) of return spring (42), the fixed surface of tightening wheel (41) is connected with tightens up rope (44), the other end and fly leaf blackboard (3) fixed connection of tightens up rope (44).

4. The rail-changeable push-pull blackboard according to claim 1, wherein: the bottom fixed connection tray (11) of mount (1), the side fixedly connected with handle (14) of fly leaf blackboard (3).

5. The rail-changeable push-pull blackboard according to claim 1, wherein: the side fixedly connected with of fixed plate blackboard (7) seals up (6), the side and the fly leaf blackboard (3) overlap joint that seal up (6), through-hole (10) have been seted up in second slide rail (9), and through-hole (10) are linked together with tray (11).