CN107718956A

CN107718956A - English marking-out rule

Info

Publication number: CN107718956A
Application number: CN201711002090.8A
Authority: CN
Inventors: 秦大鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-24
Filing date: 2017-10-24
Publication date: 2018-02-23

Abstract

The invention discloses English marking-out rule, including chi frame, the upper end inner surface of the chi frame is fixedly connected with horizontal pin, the outer surface of the chi frame is provided with big square hole, the inner surface of the chi frame is connected with chalker by the first slide, the front end outer side surface of the chi frame is connected with sliding block by the second slide, the lower surface of the sliding block is fixedly connected on the inner surface of fanning strip, the upper surface of the fanning strip is fixedly connected with handle, the front and back end inner surface of the fanning strip is connected with screw by threads turn, the upper end of the screw is rotatably connected on the inner surface in chi frame leading inside thread surface hole, four special line lattice Multifunctional rulers of the English can once draw four very long line lattice by chalker, and draw very straight, using simple, shorten the line lattice time of picture four, add instructional blocks of time.

Description

English marking-out rule

Technical field

The present invention relates to teaching equipment technical field, specially English marking-out rule.

Background technology

Teacher can draw four rulings to teach the literary style of English alphabet on blackboard in English teaching, can be when line all It is to be drawn with conventional ruler, conventional ruler, which is drawn four line lattice trouble and also drawn, not to be grown, and picture is not straight, has delayed the class period again.

The content of the invention

It is an object of the invention to provide English marking-out rule, to solve the problems mentioned in the above background technology.

To achieve the above object, the present invention provides following technical scheme：English marking-out rule, including chi frame, the chi frame Upper end inner surface is fixedly connected with horizontal pin, and the outer surface of the chi frame is provided with big square hole, the inner surface of the chi frame Chalker is connected with by the first slide, the front end outer side surface of the chi frame is connected with cunning by the second slide Block, the lower surface of the sliding block are fixedly connected on the inner surface of fanning strip, and the upper surface of the fanning strip is fixedly connected with handle Hand, the front and back end inner surface of the fanning strip are connected with screw by threads turn, and the upper end of the screw is rotatably connected on The inner surface in chi frame leading inside thread surface hole.

Preferably, the handle includes fixed block, the 3rd chute, the first spring, L-shaped sliding block, baffle plate, square groove, fixed block Inner surface L-shaped sliding block is connected with by the 3rd slide, the lower surface of L-shaped sliding block is fixedly connected with the first spring, Gu To determine block inner surface and baffle plate is slidably connected by square groove, the upper surface slide of L-shaped sliding block is connected to the inner surface of baffle plate, the The lower surface of one spring is slidably connected at fixed block lower end inside surface.

Preferably, the chalker include square article, round tube hole, the 4th chute, movable holddown, semicircle groove, the second bullet Spring, circular groove, the upper surface of square bar are provided with round tube hole, and movable holddown front end is provided with semicircle groove, and movable holddown passes through the 4th The inner surface of the slide side of being connected to bar, the front and back end inner surface of movable holddown are fixedly connected with second spring, square bar Front end outer side surface is provided with circular groove.

Preferably, the inner surface that the L-shaped sliding block passes through the circular groove side of being slidably connected to bar.

Compared with prior art, the beneficial effects of the invention are as follows：Four special line lattice Multifunctional rulers of the English pass through Chalker can once draw four line lattice, and four very long line lattice can be drawn after being connected by handle with chalker, pass through level Pin can draw four line lattice very straight, using not bothering simply, shorten the line lattice time of picture four, add instructional blocks of time.

Brief description of the drawings

Fig. 1 is the overall structure diagram of English marking-out rule of the present invention；

Fig. 2 is the chi frame partial structurtes top plan view of English marking-out rule of the present invention；

Fig. 3 is the chi frame partial structurtes side view of English marking-out rule of the present invention；

Fig. 4 is the chalker partial structurtes profile of English marking-out rule of the present invention；

Fig. 5 is the handle partial structurtes side cutaway view of English marking-out rule of the present invention；

Fig. 6 is the fanning strip and handle partial structurtes profile of English marking-out rule of the present invention；

Fig. 7 is that the fixed block of English marking-out rule of the present invention is connected top view with L-shaped sliding block.

In figure：1 chi frame, 2 horizontal pins, 3 big square holes, 4 fanning strips, 5 handles, 6 first chutes, 7 chalkers, 8 second are slided Groove, 9 sliding blocks, 10 screws, 11 screwed holes, 51 fixed blocks, 52 the 3rd chutes, 53 first springs, 54 L-shaped sliding blocks, 55 baffle plates, 56 Square groove, 71 sides article, 72 round tube holes, 73 the 4th chutes, 74 movable holddowns, 75 semicircle grooves, 76 second springs, 77 circular grooves.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.

Fig. 1-7 are referred to, the present invention provides a kind of technical scheme：English marking-out rule, including chi frame 1, in the upper end of chi frame 1 Side surface is fixedly connected with horizontal pin 2, and the outer surface of chi frame 1 is provided with big square hole 3, and the inner surface of chi frame 1 is slided by first Groove 6 slidably connects chalker 7, chalker 7 include square article 71, round tube hole 72, the 4th chute 73, movable holddown 74, half Round recessed 75, second spring 76, circular groove 77, the upper surface of square bar 71 are provided with round tube hole 72, and the front end of movable holddown 74 is provided with Semicircle groove 75, movable holddown 74 is by the inner surface of the side of being slidably connected at article 71 of the 4th chute 73, before movable holddown 74 Rear inside surface is fixedly connected with second spring 76, and the square front end outer side surface of bar 71 is provided with circular groove 73, be so in order to Four line lattice can be once drawn, can be recessed by the semicircle of movable holddown 74 when also chalk slidable connection is in round tube hole 72 Groove 75 is fixed, and the front end outer side surface of chi frame 1 slidably connects sliding block 9 by the second chute 8, and the lower surface of sliding block 9, which is fixed, to be connected The inner surface of fanning strip 4 is connected on, the upper surface of fanning strip 4 is fixedly connected with handle 5, and handle 5 is slided including fixed block the 51, the 3rd Groove 52, the first spring 53, L-shaped sliding block 54, baffle plate 55, square groove 56, the inner surface of fixed block 51 are slided by the 3rd chute 52 L-shaped sliding block 54 is connected with, the lower surface of L-shaped sliding block 54 is fixedly connected with the first spring 53, the inner surface side of passing through of fixed block 51 Groove 56 slidably connects baffle plate 55, and the upper surface slide of L-shaped sliding block 54 is connected to the inner surface of baffle plate 55, the first spring 53 Lower surface is slidably connected at the lower end inside surface of fixed block 51, so can be with order to which L-shaped sliding block 54 can be allowed to skid off Withdraw, L-shaped sliding block 54 is by the inner surface of the side's of the being slidably connected to bar 71 of circular groove 73, so in order to be fixed with handle 5 Chalker 7 slides together, and the front and back end inner surface of fanning strip 4 is connected with screw 10 by threads turn, screw 10 it is upper End is rotatably connected on the inner surface in the leading inside thread surface hole 11 of chi frame 1.

It should be noted that during work：When four line lattice are drawn in short distance, the four more work(of line lattice are picked up by handle 5 during use Energy marking-out rule, makes chi frame 1 be fitted on blackboard, pulls out movable holddown 74 by the chute 73 of second spring 76 and the 4th, pass through Round tube hole 72 is put into after chalk makes nib be fitted in by big square hole 3 on blackboard, is unclamped movable holddown 74 and is passed through second spring 76 Chalk is clamped with semicircle groove 75, it is to press from both sides bad chalk to set semicircle groove 75, at this moment slides line dress from left to right Put 7 and draw four line lattice, if to draw very long one section of four line lattice, rotated counterclockwise by screwed hole 11 after taking out screw 10, this When chi frame 1 it is motionless, fanning strip 4 is slided into at the same horizontal line of chalker 7, making L-shaped sliding block 54 right by the second chute 8 After director circle connected in star 77, baffle plate 55 is pulled open after catching on the upper end plush copper of L-shaped sliding block 54 with hand, at this moment by the first spring 53 by L-shaped Sliding block 54 ejects, the circular groove 77 in the upper end insertion top bar 71 of chalker 7, and at this moment handle 5 is completed to connect with chalker 7 Fixation is connect, after promotion chi frame 1 aligns the four line lattice streaked by horizontal pin 2 after catching handle 5 backward, chi frame 1 is motionless, catches handle Hand 5 drives fanning strip 4 and chalker 7 to slide backward and draw four line lattice so as to extend again.

Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims

1. English marking-out rule, including chi frame（1）, it is characterised in that：The chi frame（1）Upper end inner surface be fixedly connected with water Plain（2）, the chi frame（1）Outer surface be provided with big square hole（3）, the chi frame（1）Inner surface pass through the first chute （6）Slidably connect chalker（7）, the chi frame（1）Front end outer side surface pass through the second chute（8）Slidably connect cunning Block（9）, the sliding block（9）Lower surface be fixedly connected on fanning strip（4）Inner surface, the fanning strip（4）Upper surface It is fixedly connected with handle（5）, the fanning strip（4）Front and back end inner surface screw is connected with by threads turn（10）, institute State screw（10）Upper end be rotatably connected on chi frame（1）Leading inside thread surface hole（11）Inner surface, the L-shaped slides Block（54）Pass through circular groove（73）The side's of being slidably connected to bar（71）Inner surface.

2. English marking-out rule according to claim 1, it is characterised in that：The handle（5）Including fixed block（51）, the 3rd Chute（52）, the first spring（53）, L-shaped sliding block（54）, baffle plate（55）, square groove（56）, fixed block（51）Inner surface pass through 3rd chute（52）Slidably connect L-shaped sliding block（54）, L-shaped sliding block（54）Lower surface be fixedly connected with the first spring（53）, Fixed block（51）Inner surface passes through square groove（56）Slidably connect baffle plate（55）, L-shaped sliding block（54）Upper surface slide connection To baffle plate（55）Inner surface, the first spring（53）Lower surface be slidably connected at fixed block（51）Lower end inside surface.

3. English marking-out rule according to claim 1, it is characterised in that：The chalker（7）Including square bar（71）, circle Through hole（72）, the 4th chute（73）, movable holddown（74）, semicircle groove（75）, second spring（76）, circular groove（77）, side Bar（71）Upper surface be provided with round tube hole（72）, movable holddown（74）Front end is provided with semicircle groove（75）, movable holddown（74）It is logical Cross the 4th chute（73）The side's of being slidably connected at bar（71）Inner surface, movable holddown（74）Front and back end inner surface fix and connect It is connected to second spring（76）, square bar（71）Front end outer side surface is provided with circular groove（73）.