CN208558752U - A kind of portable English teaching board - Google Patents

Abstract

The utility model discloses a kind of portable English teaching boards, including blackboard, the upper surface of the blackboard is fixedly connected with round bar by supporting block, the outer surface of the round bar slidably connects round tube, the outer surface of the round tube is fixedly connected with dog-ear square bar, the outer surface of the dog-ear square bar is slidably connected at the inner surface of scribing plate by square groove, the rear end outer surface of the scribing plate is equipped with groove, the inner surface of the scribing plate slidably connects positioning pin by locating slot, the outer surface of the positioning pin slidably connects the first spring, the end surfaces up and down of first spring are respectively fixedly connected with the inner surface in scribing plate and positioning pin, the lower surface of the positioning pin is extruded with chalk by bending crushing block sliding, the lower end outside surface of the chalk is slidably connected at the inner surface of bending rubber block, this is just Prompt formula English teaching board can easily draw four line lattice, easy cleaning chalk dust.

Description

A kind of portable English teaching board

Technical field

The utility model relates to teaching equipment technical field, specially a kind of portable English teaching board.

Background technique

English teaching board is commonly called as English teaching blackboard, on existing Traditional English Teaching plate, is carrying out English teaching When, teacher needs to draw four line lattice on blackboard, and when drawing four line lattice, teacher needs by tools such as rulers, it has not been convenient to draw Four line lattice out, there are also chalks when writing, and has chalk dust and falls, existing English teaching board is inconvenient to clear up chalk dust, makes With inconvenient.

Summary of the invention

The purpose of this utility model is to provide a kind of portable English teaching boards, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of portable English teaching board, including black The upper surface of plate, the blackboard is fixedly connected with round bar by supporting block, and the outer surface of the round bar slidably connects round tube, The outer surface of the round tube is fixedly connected with dog-ear square bar, and the outer surface of the dog-ear square bar is slidably connected at by square groove The inner surface of scribing plate, the rear end outer surface of the scribing plate are equipped with groove, and it is fixed that the inner surface of the scribing plate passes through Position slot slidably connects positioning pin, and the outer surface of the positioning pin slidably connects the first spring, first spring it is upper Rear surface is respectively fixedly connected with the inner surface in scribing plate and positioning pin, and the lower surface of the positioning pin is squeezed by bending Block sliding is extruded with chalk, and the lower end outside surface of the chalk is slidably connected at the inner surface of bending rubber block, the picture The outer surface of line plate is fixedly connected with handle, and the upper surface of the scribing plate is fixedly connected with support plate, the support plate Inner surface slidably connects sliding pin by slide opening, and the inner end outer surface of the sliding pin slidably connects second spring, described The internal end surface of sliding pin squeezes contact table on the outside of the outer surface of dog-ear square bar, the rear end of the sliding pin by rubber friction block Face is fixedly connected with pull ring.

Preferably, the lower end outside surface of the blackboard is fixedly connected with support bar, and the inner surface of support bar, which is equipped with, to be connect Grey groove, the upper surface of support bar are placed with T-shaped plate, and the rear surface of T-shaped plate is equipped with swipe, and the outer surface of swipe is by connecing Grey groove is slidably connected at the inner surface of support bar.

Preferably, the rear end outer surface of the T-shaped plate is fixedly connected with dog-ear hanging rod, the lower end outside table of dog-ear hanging rod Face is slidably connected at the inner surface of fixed block by hanging hole, after the rear end outer surface of fixed block is fixedly connected on ash accepting box Hold inner surface.

Preferably, the upper surface of the T-shaped plate is fixedly connected with dog-ear handle.

Compared with prior art, the utility model has the beneficial effects that the portable English teaching board, is drawn lines by pulling Plate can easily draw four line lattice, after falling into ash groove also by chalk dust, by pulling T-shaped plate that swipe is driven to brush away Dust, dust can be fallen into ash accepting box, easy cleaning chalk dust.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the overall structure lateral sectional view of the utility model；

Fig. 3 is enlarged drawing at the A of the utility model；

Fig. 4 is enlarged drawing at the B of the utility model；

Fig. 5 is enlarged drawing at the C of the utility model.

In figure: 1 blackboard, 2 supporting blocks, 3 round bars, 4 round tubes, 5 dog-ear square bars, 6 square grooves, 7 scribing plates, 8 grooves, 9 locating slots, 10 positioning pins, 11 first springs, 12 bending crushing blocks, 13 chalks, 14 bending rubber blocks, 15 handles, 16 support plates, 17 slide openings, 18 sliding pins, 19 second springs, 20 rubber friction blocks, 21 pull rings, 22 support bars, 23 ash grooves, 24 T-shaped plates, 25 swipes, 26 Dog-ear hanging rod, 27 hanging holes, 28 fixed blocks, 29 ash accepting box, 30 dog-ear handles.

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.

In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of portable English teaching board, including blackboard 1, the upper surface of blackboard 1 is fixedly connected with round bar 3 by supporting block 2, and the outer surface of round bar 3 slidably connects round tube 4, round tube 4 outer surface is fixedly connected with dog-ear square bar 5, and the outer surface of dog-ear square bar 5 is slidably connected at scribing plate 7 by square groove 6 Inner surface, the rear end outer surface of scribing plate 7 is equipped with groove 8, and the inner surface of scribing plate 7 is connected by the sliding of locating slot 9 It is connected to positioning pin 10, the outer surface of positioning pin 10 slidably connects the first spring 11, the end surfaces up and down point of the first spring 11 It is not fixedly connected on the inner surface of scribing plate 7 and positioning pin 10, the lower surface of positioning pin 10 is slided by bending crushing block 12 Be extruded with chalk 13, the lower end outside surface of chalk 13 is slidably connected at the inner surface of bending rubber block 14, scribing plate 7 it is outer Side surface is fixedly connected with handle 15, and the upper surface of scribing plate 7 is fixedly connected with support plate 16, and the inner surface of support plate 16 is logical Cross slide opening 17 and slidably connect sliding pin 18, the inner end outer surface of sliding pin 18 slidably connects second spring 19, sliding pin 18 it is interior End surfaces squeeze contact in the outer surface of dog-ear square bar 5 by rubber friction block 20, and the rear end outer surface of sliding pin 18 is fixed It is connected with pull ring 21, this is in order to which when in use, after chalk 13 is placed on the inner surface of bending rubber block 14, this is logical Crossing the first spring 11 drives positioning pin 10 and bending crushing block 12 to fall, and squeezes fixed chalk 13 by bending crushing block 12, this When drawing four line lattice, by pull ring 21 pull sliding pin 18, can drive rubber friction block 20 be detached from 5 outer surface of dog-ear square bar, this When by square groove 6 can make scribing plate 75 surface of dog-ear square bar slide up and down adjustment position, at this moment again pass through 19 band of second spring Dynamic rubber friction block 20 squeezes contact on the surface of dog-ear square bar 5, the positioning to scribing plate 7 can be carried out, at this moment by with one Hand grips on handle 15, another hand grips in 5 upper end of dog-ear square bar, at this moment pulls scribing plate 7, can be by driving round tube 4 in circle It is slided on bar 3, at this moment the horizontal sliding of scribing plate 7, can be drawn four line lattice on blackboard 1 by chalk 13, drawn easily and fast Four line lattice, it is easy to use, scribing plate 7 is pulled out by handle 15, the round tube 4 on dog-ear square bar 5 can be driven to turn in round bar 3 Turn, at this moment chalk 13 is detached from 1 surface of blackboard, at this moment slide back to scribing plate 7 again, chalk 13 will not scribing line again, facilitate operation, it is black The lower end outside surface of plate 1 is fixedly connected with support bar 22, and the inner surface of support bar 22 is equipped with ash groove 23, support bar 22 Upper surface be placed with T-shaped plate 24, the rear surface of T-shaped plate 24 is equipped with swipe 25, and the outer surface of swipe 25 is recessed by ash Slot 23 is slidably connected at the inner surface of support bar 22, and the rear end outer surface of T-shaped plate 24 is fixedly connected with dog-ear hanging rod 26, folding The lower end outside surface of angle hanging rod 26 is slidably connected at the inner surface of fixed block 28 by hanging hole 27, outside the rear end of fixed block 28 Side surface is fixedly connected on the rear inside surface of ash accepting box 29, and the upper surface of T-shaped plate 24 is fixedly connected with dog-ear handle 30, this It is that T shape is at this moment driven by dog-ear handle 30 in order to which when in use, chalk dust can be fallen in the ash groove 23 in support bar 22 Plate 24 is slided to 1 left end of blackboard, at this moment can brush chalk dust by swipe 25, when being moved to 1 left end of blackboard, chalk dust meeting Ash groove 23 is brushed out by swipe 25, can be fallen into ash accepting box 29, by being lifted up ash accepting box 29, can be made in fixed block 28 The sliding of hanging hole 27 is detached from the lower end outside surface of dog-ear hanging rod 26, can easily remove ash accepting box 29, pours out chalk dust, convenience pair Chalk dust is cleared up, easy to use.

When the utility model is specifically implemented: when in use, by the inside table that chalk 13 is placed on to bending rubber block 14 Behind face, this is that positioning pin 10 and bending crushing block 12 is driven to fall by the first spring 11, is squeezed by bending crushing block 12 solid Determine chalk 13, at this moment when drawing four line lattice, sliding pin 18 is pulled by pull ring 21, rubber friction block 20 can be driven to be detached from dog-ear square bar At this moment 5 outer surfaces can make scribing plate 7 slide up and down adjustment position on 5 surface of dog-ear square bar, at this moment again by the by square groove 6 Two springs 19 drive rubber friction block 20 to squeeze contact on the surface of dog-ear square bar 5, can carry out the positioning to scribing plate 7, at this moment By being gripped on handle 15 with a hand, another hand grips in 5 upper end of dog-ear square bar, at this moment pulls scribing plate 7, can pass through drive Round tube 4 slides on round bar 3, at this moment the horizontal sliding of scribing plate 7, can draw four line lattice on blackboard 1 by chalk 13, convenient fast Speed draws four line lattice, easy to use, pulls out scribing plate 7 by handle 15, the round tube 4 on dog-ear square bar 5 can be driven to exist Overturn on round bar 3, at this moment chalk 13 is detached from 1 surface of blackboard, at this moment slide back to scribing plate 7 again, chalk 13 will not scribing line again, side Just it operates, when in use, chalk dust can be fallen in the ash groove 23 in support bar 22, at this moment drive T by dog-ear handle 30 Shape plate 24 is slided to 1 left end of blackboard, at this moment can brush chalk dust by swipe 25, when being moved to 1 left end of blackboard, chalk dust Ash groove 23 can be brushed out by swipe 25, can fall into ash accepting box 29, by being lifted up ash accepting box 29, can make in fixed block 28 The sliding of hanging hole 27 be detached from the lower end outside surface of dog-ear hanging rod 26, can easily remove ash accepting box 29, pour out chalk dust, it is convenient Chalk dust is cleared up, it is easy to use.

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 (4)

1. a kind of portable English teaching board, including blackboard (1), it is characterised in that: the upper surface of the blackboard (1) passes through support Block (2) is fixedly connected with round bar (3), and the outer surface of the round bar (3) slidably connects round tube (4), outside the round tube (4) Side surface is fixedly connected with dog-ear square bar (5), and the outer surface of the dog-ear square bar (5) is slidably connected at picture by square groove (6) The rear end outer surface of the inner surface of line plate (7), the scribing plate (7) is equipped with groove (8), the inside of the scribing plate (7) Surface is slidably connected positioning pin (10) by locating slot (9), and the outer surface of the positioning pin (10) slidably connects first Spring (11), the end surfaces up and down of first spring (11) are respectively fixedly connected in the interior of scribing plate (7) and positioning pin (10) The lower surface of side surface, the positioning pin (10) is extruded with chalk (13), the chalk by bending crushing block (12) sliding (13) lower end outside surface is slidably connected at the inner surface of bending rubber block (14), the outer surface of the scribing plate (7) It is fixedly connected with handle (15), the upper surface of the scribing plate (7) is fixedly connected with support plate (16), the support plate (16) Inner surface is slidably connected sliding pin (18) by slide opening (17), and the inner end outer surface of the sliding pin (18) slidably connects the The internal end surface of two springs (19), the sliding pin (18) squeezes contact in the outer of dog-ear square bar (5) by rubber friction block (20) The rear end outer surface of side surface, the sliding pin (18) is fixedly connected with pull ring (21).

2. a kind of portable English teaching board according to claim 1, it is characterised in that: outside the lower end of the blackboard (1) Side surface is fixedly connected with support bar (22), and the inner surface of support bar (22) is equipped with ash groove (23), support bar (22) Upper surface is placed with T-shaped plate (24), and the rear surface of T-shaped plate (24) is equipped with swipe (25), and the outer surface of swipe (25) passes through Ash groove (23) is slidably connected at the inner surface of support bar (22).

3. a kind of portable English teaching board according to claim 2, it is characterised in that: the rear end of the T-shaped plate (24) Outer surface is fixedly connected with dog-ear hanging rod (26), and the lower end outside surface of dog-ear hanging rod (26) is slidably connected by hanging hole (27) The rear end outer surface of inner surface in fixed block (28), fixed block (28) is fixedly connected on the rear inside of ash accepting box (29) Surface.

4. a kind of portable English teaching board according to claim 2, it is characterised in that: the upper table of the T-shaped plate (24) Face is fixedly connected with dog-ear handle (30).