CN206030872U - Appurtenance is write to english - Google Patents
Appurtenance is write to english Download PDFInfo
- Publication number
- CN206030872U CN206030872U CN201620791303.4U CN201620791303U CN206030872U CN 206030872 U CN206030872 U CN 206030872U CN 201620791303 U CN201620791303 U CN 201620791303U CN 206030872 U CN206030872 U CN 206030872U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- blackboard
- slide block
- magnetic
- magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000003141 lower extremity Anatomy 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses an appurtenance is write to english belongs to the teaching aid field, its characterized in that: including the slide rail and with slide rail assorted slider, pulley, connecting rod, magnet, magnetic and magnetic box, the slide rail have two, respectively vertical range is in blackboard back both sides, magnet have four, be shaft -like, horizontal distribution is at the back of blackboard, slider of each fixed connection of every both ends of magnet, the slider be connected with the slide rail of blackboard both sides respectively, the rope is connected to the slider upside of the top, respectively is equipped with a pulley above the blackboard both sides, the rope other end walk around the pulley and be located blackboard the place ahead, be connected through the connecting rod between two adjacent sliders, the magnetic box be located blackboard front lower limb, hold in the magnetic box and have the magnetic magnetic, the both ends department of magnetic box is equipped with can the young rope stake of tether. Compared with the prior art have and to make things convenient for the characteristics that show three check of four -wire fast.
Description
Technical field
The utility model is related to a kind of English-teaching aid, and particularly a kind of being applied to being capable of four lines three of quick and convenient display
The used in English writing aid of lattice.
Background technology
During used in English writing, in order that English letter specification, attractive in appearance, needs are submitted a written statement to a higher authority in the English writing exercise book for being printed on four lines, three lattice
Write.For the used in English writing of correct specification of demonstrating when same English teacher imparts knowledge to students, needs draw four lines, three lattice on blackboard.It is free-hand
Draw four lines, three lattice not only relatively complicated, waste time and energy, waste the instructional blocks of time on classroom, but also it is not up to standard, affect English
Document writes attractive in appearance and quality of instruction.
Utility model content
Technical assignment of the present utility model is for above the deficiencies in the prior art, there is provided one kind quick and convenient can show
The used in English writing aid of four lines, three lattice.
The technical scheme in the invention for solving the technical problem is：The slide block that matches including slide rail and its with slide rail,
Pulley, connecting rod, magnet, magnetic and magnetic box；Described slide rail has two, is vertically arranged in blackboard back side both sides, institute respectively
The magnet stated has four, in shaft-like, is distributed horizontally to the back side of blackboard, and each magnet is vertically arranged, parallel and equidistant, magnet it is every
Two ends are respectively fixedly connected a slide block, and described slide block is connected with the slide rail of blackboard both sides respectively；On the upside of the slide block of the top
Connection rope, is respectively provided with a pulley above blackboard both sides, the described rope other end bypasses pulley in front of blackboard；Two phases
It is connected by connecting rod between adjacent slide block, described connecting rod includes a connecting rod and No. two connecting rods, wherein No. two
The connection that connecting rod is used between the adjacent slide block in bottom slide block and top, is connected by No. one between other adjacent slide blocks
Bar is connected；Described slide block is provided with vertical connecting hole, and the two ends of connecting rod are located at the connection on upper and lower two slide blocks respectively
In hole, wherein No. two connecting rod lower ends pass through the slide block connecting hole of bottom and expose from hole, and No. two connecting rod lower ends are provided with
Butterfly-type handle；Annular boss is provided with the middle of described connecting rod, is provided with and matches with annular boss in described slide block connecting hole
Cannelure, described boss is located in the cannelure；Connecting rod top is provided with external screw thread, described slide block connecting hole annular
The internal thread matched with connecting rod external screw thread is provided with below groove；Connecting rod passes through screw thread and annular boss connects upper and lower respectively
Two slide blocks；Connecting rod top is provided with vertical holes at axle center, and the cross section of its mesopore is not circular, and a connecting rod bottom is provided with
With the vertical holes cross section identical vertical bar, the vertical holes in the connecting rod of vertical bar reeve lower section in the connecting rod of top
It is interior；Described magnetic box is located at blackboard front lower limb, is held with magnetic magnetic in magnetic box；Set at the two ends of magnetic box
There is the rope stake for being capable of tether.
Compared with prior art, the utility model has beneficial effect following prominent：
1st, four lines, three lattice can conveniently be shown；
2nd, the width of conveniently adjusted four lines, three lattice.
Description of the drawings
Fig. 1 is that the utility model is located at blackboard back portion structural representation.
Fig. 2 is that the utility model is located at blackboard front portion structural representation.
Fig. 3 is close-up schematic view at A in Fig. 1.
Specific embodiment
The utility model is further illustrated with reference to specification drawings and specific embodiments.
As shown in Figure 1, 2, 3, the utility model include slide rail 3 and its match with slide rail 3 slide block 2, pulley 4, be connected
Bar 18, magnet 7, magnetic 9 and magnetic box 10.
Described slide rail 3 has two, is vertically arranged in 5 back side both sides of blackboard respectively, and described magnet 7 has four, in bar
Shape, is distributed horizontally to the back side of blackboard 5, and each magnet 7 is vertically arranged, parallel and equidistant, and every two ends of magnet 7 are fixedly connected one
Individual slide block 2, described slide block 2 are connected with the slide rail 3 of 5 both sides of blackboard respectively, and slide block 2 only can edge under the restriction of slide rail 3
Slide rail 3 moves up and down.Connect rope 6 on the upside of the slide block 2 of the top, above 5 both sides of blackboard, be respectively provided with a pulley 4, described rope
Sub 6 other ends bypass pulley 4 in front of blackboard 5.
It is connected by connecting rod 18 between two adjacent slide blocks 2, described connecting rod 18 includes a connecting rod 12
The connection being used between the adjacent slide block 2 in bottom slide block 2 and top with No. two connecting rods 1, wherein No. two connecting rods 1, other
It is connected by a connecting rod 12 between adjacent slide block 2.Described slide block 2 is provided with vertical connecting hole 14, connecting rod 18
Two ends be located in the connecting hole 14 on upper and lower two slide blocks 2 respectively, the slide block of wherein No. two 1 lower ends of connecting rod through bottom
2 connecting holes 14 simultaneously expose from hole, and No. two 1 lower ends of connecting rod are provided with butterfly-type handle 11, are easy to carry out rotation behaviour to connecting rod 18
Make.Annular boss 13 is provided with the middle of described connecting rod 18, is provided with and 13 phase of annular boss in described 2 connecting hole 14 of slide block
The cannelure matched somebody with somebody, described boss 13 are located in the cannelure, can not be upper and lower such that it is able to enable connector to rotate freely
It is mobile.18 top 17 of connecting rod is provided with external screw thread, be provided with below described 2 connecting hole of slide block, 14 interior annular groove with outside connecting rod 18
The internal thread that screw thread matches.Connecting rod 18 passes through screw thread and annular boss 13 connects upper and lower two slide blocks 2 respectively.Connecting rod
Vertical holes 16 is provided with 18 tops axle center, and the cross section of its mesopore is not circular, and 12 bottom of connecting rod is provided with vertical with this
16 cross section identical vertical bar 15 of hole, the vertical bar 15 in the connecting rod 18 of top inject the vertical holes in the connecting rod 18 of lower section
In 16, as vertical holes 16 and vertical bar 15 are not circular, so as to vertical bar 15 can be freely moved up and down in vertical holes 16
Can not rotate freely.
Rotation butterfly-type handle 11, by the effect of non-circular vertical holes 16 and vertical bar 15, drives three connecting rods 18 same
Step rotation, by the effect of 14 internal thread of connecting rod 18 and connecting hole, drives connecting rod 18 and 2 phase of slide block being threadedly coupled with which
To vertical motion, due to geo-stationary on 2 vertical direction of slide block of connecting rod 18 and its underpart, so as to change each slide block 2 it
Between spacing, so as to serve the effect of the spacing for adjusting four lines, three lattice, meet different teachers as font size is different
The demand different to four lines, three lattice specification requirement.
Described magnetic box 10 is located at 5 front lower limb of blackboard, holds with magnetic magnetic 9 in magnetic box 10.Magnetic
The rope stake 8 for being capable of tether 6 is provided with the two ends of box 10.
Using front, slide block 2 is placed in into 3 lower end of slide rail, during use, pulls rope 6, band movable slider 2 to rise to suitable position
Put, rope 6 is tied up in rope stake, the spacing of 11 regulating magnet 7 of butterfly-type handle is rotated；At the same time by the suction band of magnet 7
Dynamic magnetic 9 rises therewith, and the shape along magnet 7 forms the equidistant horizontal line of four, you can with as the lined of used in English writing.
Slide block 2 is put down after writing word, and magnetic 9 is entered in magnetic box 10 therewith.
It should be noted that particular of the present utility model has been described in detail to the utility model,
For a person skilled in the art, in the case of without departing substantially from spirit and scope of the present utility model to it carry out it is various
Obviously change all within protection domain of the present utility model.
Claims (1)
1. a kind of used in English writing aid, it is characterised in that：The slide block that matches including slide rail and its with slide rail, pulley, company
Extension bar, magnet, magnetic and magnetic box；Described slide rail has two, is vertically arranged in blackboard back side both sides, described magnet respectively
There are four, in shaft-like, be distributed horizontally to the back side of blackboard, each magnet is vertically arranged, parallel and equidistant, and every two ends of magnet are each solid
Surely connect a slide block, described slide block is connected with the slide rail of blackboard both sides respectively；Connect rope on the upside of the slide block of the top,
A pulley is respectively provided with above blackboard both sides, and the described rope other end bypasses pulley in front of blackboard；Two adjacent slide blocks
Between be connected by connecting rod, described connecting rod includes a connecting rod and No. two connecting rods, and wherein No. two connecting rods are used
It is connected by a connecting rod between connection between the adjacent slide block in bottom slide block and top, other adjacent slide blocks
Connect；Described slide block is provided with vertical connecting hole, and the two ends of connecting rod are located in the connecting hole on upper and lower two slide blocks respectively, its
In No. two connecting rod lower ends through bottom slide block connecting hole and expose from hole, No. two connecting rod lower ends are provided with butterfly-type hand
Handle；Annular boss is provided with the middle of described connecting rod, is provided with the annular matched with annular boss in described slide block connecting hole
Groove, described boss are located in the cannelure；Connecting rod top is provided with external screw thread, below described slide block connecting hole interior annular groove
It is provided with the internal thread matched with connecting rod external screw thread；Connecting rod passes through screw thread and annular boss connects upper and lower two cunnings respectively
Block；Connecting rod top is provided with vertical holes at axle center, and the cross section of its mesopore is not circular, and a connecting rod bottom is provided with perpendicular with this
Straight hole cross section identical vertical bar, the vertical bar in the connecting rod of top are injected in the vertical holes in the connecting rod of lower section；It is described
Magnetic box be located at blackboard front lower limb, hold in magnetic box with magnetic magnetic；Being provided with the two ends of magnetic box can
The rope stake of tether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620791303.4U CN206030872U (en) | 2016-07-26 | 2016-07-26 | Appurtenance is write to english |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620791303.4U CN206030872U (en) | 2016-07-26 | 2016-07-26 | Appurtenance is write to english |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206030872U true CN206030872U (en) | 2017-03-22 |
Family
ID=58307673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620791303.4U Expired - Fee Related CN206030872U (en) | 2016-07-26 | 2016-07-26 | Appurtenance is write to english |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206030872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110264827A (en) * | 2019-06-28 | 2019-09-20 | 重庆工程职业技术学院 | A kind of statistics teaching figure displaying apparatus |
-
2016
- 2016-07-26 CN CN201620791303.4U patent/CN206030872U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110264827A (en) * | 2019-06-28 | 2019-09-20 | 重庆工程职业技术学院 | A kind of statistics teaching figure displaying apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20170726 |