CN209600129U - A kind of blackboard line-plotting device - Google Patents

Abstract

The utility model relates to teaching aid technical fields, it in particular is a kind of blackboard line-plotting device, including sliding edge frame member, go up and down edge frame member, carriage and fixed device of crossing, frame I and frame II are fixed on the two sides of blackboard, pull up plate, four chalks are each passed through four jack II and four jack I, the front end of chalk is allowed to contact with blackboard, plate is inserted into slot again, at this moment the rear end of four chalks is contacted with plate, horizontally slipped fixed device of crossing with hand, four line lattice can be drawn on blackboard, rotational lead screw I, lead screw I can drive the position limiting slide block positioned at right end to slide up and down in limit slideway II, position limiting slide block drives carriage to move up and down, carriage drives fixed device of crossing to slide up and down, at this moment it can change the position of chalk, it is drawn in different positions Four line lattice write word drawing in four line lattice, the more specification that user can be allowed to write.

Description

A kind of blackboard line-plotting device

Technical field

The utility model relates to teaching aid technical fields, are in particular a kind of blackboard line-plotting devices.

Background technique

There are a kind of four line lattice lineation devices of English teaching of a Patent No. CN201720536979.3 now, including There is pedestal, blackboard, strut, move up and down device and lineation device, base top is welded with strut, is welded at the top of strut black Plate, the blackboard left and right sides, which is equipped with, moves up and down device, moves up and down rear side on device and is equipped with lineation device.Preferably, it above moves down Dynamic device includes sliding rail, sliding block, the first rack gear, slide bar, first motor, first gear and sliding sleeve, two sliding rails respectively with it is black The left and right sides on front side of plate is bolted, and slidingtype is equipped with sliding block on sliding rail, is welded with slide bar between sliding block, on slide bar Slidingtype is equipped with sliding sleeve, and lineation device is equipped on rear side of sliding sleeve, and the first rack gear, two sliding rails outsides are welded on the outside of two sliding blocks Front side first motor has been bolted, the installed in front of first motor has first gear, first gear and the first rack gear Engagement.But the novel four line lattice of picture need drawing one by one, grasp the distance between bad line and line, Er Qielang in this way It is time-consuming.

Summary of the invention

The utility model relates to teaching aid technical fields, are in particular a kind of blackboard line-plotting devices, including sliding Edge frame member, lifting edge frame member, carriage and fixed device of crossing, the present apparatus can be drawn on the different height of blackboard Four line lattice, and be that a stroke goes out, save the time.

The sliding edge frame member includes frame I, limit slideway I, fixed block and traveller, is provided with limit on frame I Slideway I, the upper and lower ends of limit slideway I are fixedly connected to fixed block, and the upper and lower ends of traveller are solid with two fixed blocks respectively Fixed connection, traveller are located in limit slideway I；

The lifting edge frame member includes frame II, limit slideway II, is provided on bearing block I and lead screw I, frame II Limit slideway II, the upper and lower ends of limit slideway II are fixedly connected to bearing block, the upper and lower ends of lead screw I respectively with two axis Hold an I rotation connection；

The carriage includes connection strap I, limit sliding chutes I, connection strap II, limit sliding chutes II, limit plate and limit Sliding block is provided with limit sliding chutes I on connection strap I, limit sliding chutes II, connection strap I and connection strap II is provided on connection strap II Left and right ends are fixedly connected to limit plate, and the outer end of two limit plates is fixedly connected to position limiting slide block, two position limiting slide blocks It is slidably connected in limit slideway I and limit slideway II respectively, position limiting slide block and traveller positioned at left end are slidably connected, and are located at the right side The position limiting slide block at end is connect with lead screw I by screw-driven；

The fixed device of the scribing line includes fixed glides, jack I, loading plate, limit slideway III, bearing block II, lead screw II, spacing block set III, expansion plate, jack II, slot and plate, in fixed glides setting there are four jack I, fixed glides with Loading plate is fixedly connected, and limit slideway III is provided on loading plate, and the outer end of limit slideway III is fixedly connected with bearing block II, It is rotatably connected to lead screw II on bearing block II, spacing block set III is fixedly connected on expansion plate, spacing block set III is slidably connected It is connect in limit slideway III and with lead screw II by screw-driven, there are four jack II and slot, plates for setting on expansion plate It is inserted in slot, the upper and lower ends of fixed glides are slidably connected at respectively in limit sliding chutes I and limit sliding chutes II.

As advanced optimizing for the technical program, lifting frame structure described in a kind of blackboard line-plotting device of the utility model Part further includes handle I, and handle I is fixedly connected on the lower end of lead screw I.

As advanced optimizing for the technical program, the fixed dress of scribing line described in a kind of blackboard line-plotting device of the utility model Setting further includes handle II and knob, and handle II is fixedly connected on the outer end of lead screw II, and knob is fixedly connected on the upper end of plate.

As advanced optimizing for the technical program, jack II described in a kind of blackboard line-plotting device of the utility model four It is connected to slot.

As advanced optimizing for the technical program, jack I described in a kind of blackboard line-plotting device of the utility model four Axle center respectively with the axle center of four jack II on same straight line.

A kind of blackboard line-plotting device of the utility model has the beneficial effect that

Frame I and frame II are fixed on the two sides of blackboard, pull up plate, four chalks are each passed through four and are inserted Hole II and four jack I, allows the front end of chalk to contact with blackboard, then plate is inserted into slot, at this moment the rear end of four chalks It is contacted with plate, horizontally slipped fixed device of crossing with hand, so that it may four line lattice, rotational lead screw I, lead screw I are drawn on blackboard The position limiting slide block positioned at right end can be driven to slide up and down in limit slideway II, position limiting slide block drives and moves down on carriage Dynamic, carriage drives fixed device of crossing to slide up and down, and at this moment can change the position of chalk, draws four in different positions Line lattice write word drawing in four line lattice, the more specification that user can be allowed to write.

Detailed description of the invention

The utility model is described in more detail with specific implementation method with reference to the accompanying drawing.

Fig. 1 is a kind of structural schematic diagram of blackboard line-plotting device of the utility model；

Fig. 2 is sliding edge frame element structure schematic diagram；

Fig. 3 is sliding edge frame member partial structure diagram one；

Fig. 4 is sliding edge frame member partial structure diagram two；

Fig. 5 is lifting edge frame member structural schematic diagram；

Fig. 6 is carriage structural schematic diagram；

Fig. 7 is carriage partial structure diagram；

Fig. 8 is scribing line fixture structure schematic diagram；

Fig. 9 is fixed device partial structure diagram one of crossing；

Figure 10 is fixed device partial structure diagram two of crossing.

In figure: sliding edge frame member 1；Frame I1-1；Limit slideway I1-2；Fixed block 1-3；Traveller 1-4；Go up and down frame structure Part 2；Frame II2-1；Limit slideway II2-2；Bearing block I2-3；Lead screw I2-4；Handle I2-5；Carriage 3；Connection strap I3- 1；Limit sliding chutes I3-2；Connection strap II3-3；Limit sliding chutes II3-4；Limit plate 3-5；Position limiting slide block 3-6；It crosses and fixes device 4； Fixed glides 4-1；Jack I4-2；Loading plate 4-3；Limit slideway III4-4；Bearing block II4-5；Lead screw II4-6；Spacing block set III4-7；Expansion plate 4-8；Jack II4-9；Slot 4-10；Plate 4-11；Handle II4-12；Shake hands 4-13.

Specific embodiment

Specific embodiment 1:

Illustrate present embodiment below with reference to Fig. 1-10, the utility model relates to teaching aid technical fields, more specifically Say it is a kind of blackboard line-plotting device, including sliding edge frame member 1, lifting edge frame member 2, carriage 3 and fixed device of crossing 4, frame I1-1 and frame II2-1 are fixed on the two sides of blackboard, pull up plate 4-11, four chalks are each passed through four A jack II4-9 and four jack I4-2, allows the front end of chalk to contact with blackboard, then plate 4-11 is inserted into slot 4-10, At this moment the rear end of four chalks is contacted with plate 4-11, and horizontally slipped fixed device 4 of crossing with hand, so that it may be drawn on blackboard Four line lattice, rotational lead screw I2-4, lead screw I2-4 can drive the position limiting slide block 3-6 positioned at right end limiting in slideway II2-2 Lower slider, position limiting slide block 3-6 drive carriage 3 to move up and down, and carriage 3 drives fixed device 4 of crossing to slide up and down, this When can change the position of chalk, draw four line lattice in different positions, write word drawing in four line lattice, can allow user The more specification write；

The sliding edge frame member 1 includes frame I1-1, limit slideway I1-2, fixed block 1-3 and traveller 1-4, frame I1-1 plays the fixed effect of carrying, limit slideway I1-2 is provided on frame I1-1, limit slideway I1-2 can give fixed block 1-3 provides a fixed space, can also provide the space of a sliding to the position limiting slide block 3-6 positioned at left end, limit is slided The upper and lower ends of road I1-2 are fixedly connected to fixed block 1-3, and fixed block 1-3 can provide a fixed sky to traveller 1-4 Between, the upper and lower ends of traveller 1-4 are fixedly connected with two fixed block 1-3 respectively, and traveller 1-4 can be sliding to the limit positioned at left end Block 3-6 provides the space of a sliding, and traveller 1-4 is located in limit slideway I1-2；

The lifting edge frame member 2 includes frame II2-1, limits slideway II2-2, bearing block I2-3 and lead screw I2-4, Frame II2-1 plays the fixed effect of carrying, is provided with limit slideway II2-2 on frame II2-1, and limit slideway II2-2 can be with A fixed space is provided to bearing block 2-3, the sky of a sliding can also be provided to the position limiting slide block 3-6 positioned at right end Between, the upper and lower ends of limit slideway II2-2 are fixedly connected to bearing block 2-3, and bearing block 2-3 can be limited to lead screw I2-4, Lead screw I2-4 can only be rotated around the axis of itself, the upper and lower ends of lead screw I2-4 connect with two bearing block I2-3 rotations respectively It connects, the lead screw I2-4 of rotation can drive the position limiting slide block 3-6 positioned at right end to slide up and down in limit slideway II2-2；

The carriage 3 include connection strap I3-1, limit sliding chutes I3-2, connection strap II3-3, limit sliding chutes II3-4, Limit plate 3-5 and position limiting slide block 3-6, connection strap I3-1 play the role of bearer connection, and limit is provided on connection strap I3-1 and is slided Limit sliding chutes II3-4 is provided on slot I3-2, connection strap II3-3, connection strap II3-3 plays the role of bearer connection, and limit is slided Slot I3-2 and limit sliding chutes II3-4 can provide the space of a sliding, connection strap I3-1 and connection strap to fixed glides 4-1 The left and right ends of II3-3 are fixedly connected to limit plate 3-5, and two limit plate 3-5 can be limited to fixed glides 4-1, be prevented Fixed glides 4-1 slips away limit sliding chutes I3-2 and limit sliding chutes II3-4, the outer end of two limit plate 3-5 are fixedly connected with limited Position sliding block 3-6, two position limiting slide block 3-6 are slidably connected at respectively in limit slideway I1-2 and limit slideway II2-2, are limited when two When position sliding block 3-6 is slidably connected at respectively in limit slideway I1-2 and limit slideway II2-2, carriage 3 is limited, at this moment Carriage 3 can only move up and down, and the position limiting slide block 3-6 and traveller 1-4 positioned at left end are slidably connected, and the limit positioned at right end is sliding Block 3-6 is connect with lead screw I2-4 by screw-driven；

The fixed device 4 of the scribing line include fixed glides 4-1, jack I4-2, loading plate 4-3, limit slideway III4-4, Bearing block II4-5, lead screw II4-6, spacing block set III4-7, expansion plate 4-8, jack II4-9, slot 4-10 and plate 4-11, Fixed glides 4-1 plays the role of bearer connection, on fixed glides 4-1 setting there are four jack I4-2, fixed glides 4-1 with hold Support plate 4-3 is fixedly connected, and limit slideway III4-4 is provided on loading plate 4-3, limit slideway III4-4 can give bearing block II4-5 provides a fixed space, can also provide the space of a sliding to spacing block set III4-7, limit slideway The outer end of III4-4 is fixedly connected with bearing block II4-5, and bearing block II4-5 can be limited to lead screw II4-6, allows lead screw II4-6 It can only be rotated around the axis of itself, the lead screw II4-6 that lead screw II4-6 rotation is rotatably connected on bearing block II4-5 can drive Spacing block set III4-7 slides back and forth, and spacing block set III4-7, spacing block set III4-7 sliding are fixedly connected on expansion plate 4-8 It is connected in limit slideway III4-4 and is connect with lead screw II4-6 by screw-driven, there are four jacks for setting on expansion plate 4-8 Four chalks can be each passed through four jack II4-9 and four jack I4-2 by II4-9 and slot 4-10, and slot 4-10 can To provide a slotting space to plate 4-11, plate 4-11 is inserted in slot 4-10, the rear end of four chalks and plate 4-11 Contact, plate 4-11 can be fixed to the rear end of chalk, and the upper and lower ends of fixed glides 4-1 are slidably connected at limit sliding chutes respectively In I3-2 and limit sliding chutes II3-4.

Specific embodiment 2:

Illustrate present embodiment below with reference to Fig. 1-10, present embodiment is described further embodiment one described Lifting edge frame member 2 further includes handle I2-5, and handle I2-5 is fixedly connected on the lower end of lead screw I2-4, and rotational handle I2-5 can be with Easily drive lead screw I2-4 rotation.

Specific embodiment 3:

Illustrate present embodiment below with reference to Fig. 1-10, present embodiment is described further embodiment one described Fixed device 4 of crossing further includes that handle II4-12 and knob 4-13, handle II4-12 are fixedly connected on the outer end of lead screw II4-6, Rotational handle II4-12 can easily drive lead screw II4-6 to rotate, and knob 4-13 is fixedly connected on the upper end of plate 4-11, Pull knob 4-13 that can easily drive plate 4-11 to slide in slot 4-10.

Specific embodiment 4:

Illustrate that present embodiment, present embodiment are described further four institutes to embodiment two below with reference to Fig. 1-10 The jack II4-9 stated is connected to slot 4-10.

Specific embodiment 5:

Illustrate that present embodiment, present embodiment are described further four institutes to embodiment two below with reference to Fig. 1-10 The axle center of the jack I4-2 stated is respectively with the axle center of four jack II4-9 on same straight line, and only axle center is straight in same Being inserted perpendicularly into for chalk is just able to achieve on line.

A kind of working principle of blackboard line-plotting device of the utility model:

When use device, frame I1-1 and frame II2-1 are fixed on the two sides of blackboard, pull up knob 4-13, draw Hand 4-13 drives plate 4-11 to slip away slot 4-10, and four chalks are each passed through four jack II4-9 and four jack I4-2, It allows the front end of chalk to contact with blackboard, then plate 4-11 is inserted into slot 4-10, at this moment the rear end of four chalks and plate 4- 11 contacts, horizontally slipped fixed device 4 of crossing with hand, so that it may four line lattice, rotational handle I2-5, handle are drawn on blackboard I2-5 drives lead screw I2-4 rotation, and lead screw I2-4 can drive the position limiting slide block 3-6 positioned at right end limiting in slideway II2-2 Lower slider, position limiting slide block 3-6 drive carriage 3 to move up and down, and carriage 3 drives fixed device 4 of crossing to slide up and down, this When can change the position of chalk, draw four line lattice in different positions, write word drawing in four line lattice, can allow user The more specification write, chalk can more use shorter, rotational handle II4-12, handle II4-12 to drive lead screw II4-6 rotation, lead screw II4-6 drives expansion plate 4-8 to move forward by spacing block set III4-7, and at this moment plate 4-11 just will drive four chalks forward It is mobile, to continue to contact with blackboard.

Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to In the protection scope of the utility model.

Claims (5)

1. a kind of blackboard line-plotting device, including sliding edge frame member (1), lifting edge frame member (2), carriage (3) and scribing line Fixed device (4), it is characterised in that: the sliding edge frame member (1) includes frame I (1-1), limits slideway I (1-2), is solid Determine block (1-3) and traveller (1-4), is provided with limit slideway I (1-2) on frame I (1-1), up and down the two of limit slideway I (1-2) End is fixedly connected to fixed block (1-3), and the upper and lower ends of traveller (1-4) are fixedly connected with two fixed blocks (1-3) respectively, sliding Column (1-4) is located in limit slideway I (1-2)；

The lifting edge frame member (2) includes frame II (2-1), limit slideway II (2-2), bearing block I (2-3) and lead screw I (2-4), limit slideway II (2-2) is provided on frame II (2-1), and the upper and lower ends of limit slideway II (2-2) are fixedly connected with Have bearing block I (2-3), the upper and lower ends of lead screw I (2-4) are rotatablely connected with two bearing block I (2-3) respectively；

The carriage (3) includes connection strap I (3-1), limit sliding chutes I (3-2), connection strap II (3-3), limit sliding chutes II (3-4), limit plate (3-5) and position limiting slide block (3-6) are provided with limit sliding chutes I (3-2), connection strap II on connection strap I (3-1) It is provided on (3-3) limit sliding chutes II (3-4), the left and right ends of connection strap I (3-1) and connection strap II (3-3) are fixedly connected with Have limit plate (3-5), the outer end of two limit plates (3-5) is fixedly connected to position limiting slide block (3-6), two position limiting slide block (3- 6) be slidably connected at respectively limit slideway I (1-2) and limit slideway II (2-2) in, positioned at left end position limiting slide block (3-6) with slide Column (1-4) is slidably connected, and the position limiting slide block (3-6) positioned at right end is connect with lead screw I (2-4) by screw-driven；

The scribing line fixed device (4) includes fixed glides (4-1), jack I (4-2), loading plate (4-3), limit slideway III (4-4), bearing block II (4-5), lead screw II (4-6), spacing block set III (4-7), expansion plate (4-8), jack II (4-9), slot (4-10) and plate (4-11), there are four jack I (4-2), fixed glides (4-1) and loading plates for setting in fixed glides (4-1) (4-3) is fixedly connected, and limit slideway III (4-4) is provided on loading plate (4-3), and the outer end of limit slideway III (4-4) is fixed It is connected with bearing block II (4-5), is rotatably connected on bearing block II (4-5) lead screw II (4-6), it is fixed on expansion plate (4-8) to connect Be connected to spacing block set III (4-7), spacing block set III (4-7) be slidably connected at limit slideway III (4-4) in and with lead screw II (4-6) is connected by screw-driven, and there are four jack II (4-9) and slot (4-10), plate (4- for setting on expansion plate (4-8) 11) it is inserted in slot (4-10), the upper and lower ends of fixed glides (4-1) are slidably connected at limit sliding chutes I (3-2) and limit respectively In sliding slot II (3-4).

2. a kind of blackboard line-plotting device according to claim 1, it is characterised in that: the lifting edge frame member (2) is also Including handle I (2-5), handle I (2-5) is fixedly connected on the lower end of lead screw I (2-4).

3. a kind of blackboard line-plotting device according to claim 1, it is characterised in that: the scribing line fixed device (4) is also It is fixedly connected on the outer end of lead screw II (4-6) including handle II (4-12) and knob (4-13), handle II (4-12), shake hands (4- 13) it is fixedly connected on the upper end of plate (4-11).

4. a kind of blackboard line-plotting device according to claim 1, it is characterised in that: jack II (4-9) described in four and Slot (4-10) connection.

5. a kind of blackboard line-plotting device according to claim 2, it is characterised in that: the axis of jack I (4-2) described in four The heart respectively the axle center with four jack II (4-9) on same straight line.