CN206983585U - A kind of teacher's teaching ruler - Google Patents
A kind of teacher's teaching ruler Download PDFInfo
- Publication number
- CN206983585U CN206983585U CN201720364035.2U CN201720364035U CN206983585U CN 206983585 U CN206983585 U CN 206983585U CN 201720364035 U CN201720364035 U CN 201720364035U CN 206983585 U CN206983585 U CN 206983585U
- Authority
- CN
- China
- Prior art keywords
- weight
- teaching ruler
- main body
- collar
- rectangular
- 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
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Abstract
A kind of ruler is the utility model is related to, is in particular a kind of teacher's teaching ruler, device can find horizontality and device can draw two lines being parallel to each other.The collar and elongated slot are provided with described weight, the upper end of weight is shaft-like, and lower end is triangle, and the collar is arranged on the upper end of weight, and the collar is structure as a whole with weight, and elongated slot is located at the centre position of weight.There are two rectangular shafts at the both ends of described adjustable rule by bonding connection.Bearing is cased with circular projection in described teaching ruler main body, it is interference fit between bearing and circular projection, the collar on weight is enclosed on the bearing on circular projection, it is interference fit between the collar and bearing, fastening screw is threadedly attached on screwed hole, and hand handle is thick in the centre of teaching ruler main body, thin one end in one end of hand handle by bonding connection, two rectangular shafts on adjustable rule are inserted in two rectangular openings, and are coordinated between rectangular shaft and rectangular opening for gap.
Description
Technical field
A kind of ruler is the utility model is related to, is in particular a kind of teacher's teaching ruler.
Background technology
Ruler is also known as chi, a chi, is for setting-out section, measures the instrument of length.Generally there is scale to measure length on chi.
Some rulers, special shape such as letter or circular hole are left in centre, facilitates user to draw.Patent No.
CN201020157973.3 Multifunctional ruler, the utility model disclose a kind of Multifunctional ruler.It includes the first ruler, second
Ruler, the first expansion link, the second expansion link, first ruler are fixedly arranged in the middle of the first expansion link, the second described ruler
The second expansion link, the first ruler and the first expansion link are fixedly arranged in the middle of, the second ruler and the second expansion link are orthogonal, and first stretches
The lateral angle of the same side of contracting bar and the second expansion link Spindle Links, the first ruler and the second ruler is all at an acute angle, two acute angles
The number of degrees are added up as 90 °, and another side of the first ruler and the second ruler is all curved, in the first ruler and the second ruler both ends
Magnet is respectively provided with, clip is provided with one end of the acute angle of described the first ruler or the second ruler.The Multifunctional ruler energy
Teaching demand is enough substantially met, draws a variety of figures, is the good assistant of teaching.But this ruler is not easy to find level
Position.
The content of the invention
The utility model provides a kind of teacher's teaching ruler, and its advantage is that device can find horizontality and fill
Two lines being parallel to each other can be drawn by putting.
A kind of ruler is the utility model is related to, is in particular a kind of teacher's teaching ruler, including teaching ruler main body, again
Hammer, fastening screw, hand handle and adjustable rule, device can find horizontality and device can draw two lines being parallel to each other.
Chi sword, rectangular opening, L shaped plate, mark post, screwed hole, otic placode and circular projection are provided with described teaching ruler main body,
It is provided with chi sword in a line of teaching ruler main body, has L shaped plate, L-shaped by bonding connection in the another a line of teaching ruler main body
The cross section of plate is L-shaped, and two rectangular openings are symmetrically arranged with L shaped plate, is provided with screwed hole in L shaped plate, screwed hole and one
Rectangular opening is connected, and by bonding connection among the lower end of L shaped plate, circular projection is threadedly attached in otic placode otic placode
The heart, mark post are threadedly attached in the lower end of otic placode;
The collar and elongated slot are provided with described weight, the upper end of weight is shaft-like, and lower end is triangle, and the collar is set
In the upper end of weight, the collar is structure as a whole with weight, and elongated slot is located at the centre position of weight;
There are two rectangular shafts at the both ends of described adjustable rule by bonding connection;
Bearing is cased with circular projection in described teaching ruler main body, is interference fit between bearing and circular projection,
The collar on weight is enclosed on the bearing on circular projection, passes through screw thread between the collar and bearing for interference fit, fastening screw
It is connected on screwed hole, hand handle is by bonding connection in the centre of teaching ruler main body, and thin one end in one end of hand handle is thick, on adjustable rule
Two rectangular shafts be inserted in two rectangular openings, and between rectangular shaft and rectangular opening for gap coordinate.
As the further optimization of the technical program, adjustable rule and chi described in a kind of teacher's teaching ruler of the utility model
Sword is parallel.
As the further optimization of the technical program, described in a kind of teacher's teaching ruler of the utility model in Action of Gravity Field
Under, when mark post overlaps with the elongated slot on weight, teaching ruler main body is in horizontality.
A kind of teacher's teaching ruler of the utility model has the beneficial effect that:
A kind of teacher's teaching ruler of the utility model, device can find horizontality and device can draw two mutually
Parallel line.
Brief description of the drawings
The utility model is described in more detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural representation of teacher's teaching ruler of the utility model.
Fig. 2 is a kind of structural representation of teacher's teaching ruler other direction.
Fig. 3 is the structural representation of teaching ruler main body.
Fig. 4 is the structural representation of teaching ruler main body other direction.
Fig. 5 is the structural representation of weight.
Fig. 6 is the structural representation of hand handle.
Fig. 7 is the structural representation of adjustable rule.
In figure:Teaching ruler main body 1;Chi sword 1-1;Rectangular opening 1-2;L shaped plate 1-3;Mark post 1-4;Screwed hole 1-5;Otic placode 1-
6;Circular projection 1-7;Weight 2;Collar 2-1;Elongated slot 2-2;Fastening screw 3;Hand handle 4;Adjustable rule 5;Rectangular shaft 5-1.
Embodiment
Embodiment one:
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7, the utility model is related to a kind of ruler, more specifically
Say it is a kind of teacher's teaching ruler, including teaching ruler main body 1, weight 2, fastening screw 3, hand handle 4 and adjustable rule 5, device can be with
Find horizontality and device can draw two lines being parallel to each other.
Chi sword 1-1, rectangular opening 1-2, L shaped plate 1-3, mark post 1-4, screwed hole 1- are provided with described teaching ruler main body 1
5th, otic placode 1-6 and circular projection 1-7, is provided with chi sword 1-1 in a line of teaching ruler main body 1, another of teaching ruler main body 1
There is L shaped plate 1-3 by bonding connection on side, L shaped plate 1-3 cross section is L-shaped, and two rectangles are symmetrically arranged with L shaped plate 1-3
Screwed hole 1-5 is provided with hole 1-2, L shaped plate 1-3, screwed hole 1-5 is connected with a rectangular opening 1-2, and otic placode 1-6 passes through viscous
It is connected in succession among L shaped plate 1-3 lower end, circular projection 1-7 is threadedly attached in otic placode 1-6 center, and mark post 1-4 passes through
It is threaded in otic placode 1-6 lower end;
Collar 2-1 and elongated slot 2-2 are provided with described weight 2, the upper end of weight 2 is shaft-like, and lower end is triangle,
Collar 2-1 is arranged on the upper end of weight 2, and collar 2-1 is structure as a whole with weight 2, and elongated slot 2-2 is located at the centre position of weight 2;
There are two rectangular shaft 5-1 at the both ends of described adjustable rule 5 by bonding connection;
Bearing is cased with circular projection 1-7 in described teaching ruler main body 1, was between bearing and circular projection 1-7
It is full of cooperation, the collar 2-1 on weight 2 is enclosed on the bearing on circular projection 1-7, is interference fit between collar 2-1 and bearing,
Fastening screw 3 is threadedly attached on screwed hole 1-5, and hand handle 4 is by bonding connection in the centre of teaching ruler main body 1, hand handle 4
The thin one end in one end it is thick, two rectangular shaft 5-1 on adjustable rule 5 are inserted in two rectangular opening 1-2, and rectangular shaft 5-1 and square
Coordinate between the 1-2 of shape hole for gap.Use device grasps hand handle 4 when being drawn on blackboard, using the tumbler of hand handle 4,
Mark post 1-4 is overlapped with the elongated slot 2-2 on weight 2, device is adjusted to horizontal level, adjustable rule 5 is pulled, draws as needed
The distance between two parallel lines adjustment the distance between adjustable rule 5 and chi sword 1-1, after the completion of adjustment, use turn fastening spiral shell
Silk 3 fixes the position of adjustable rule 5, and thus two can be drawn on blackboard by adjustable rule 5 and chi sword 1-1 with chalk puts down
Line.
Embodiment two:
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7, present embodiment is made further to embodiment one
Illustrate, described adjustable rule 5 is parallel with chi sword 1-1.
Embodiment three:
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7, present embodiment is made further to embodiment one
Illustrate, it is described under gravity, when mark post 1-4 overlaps with the elongated slot 2-2 on weight 2, teaching ruler main body 1 be in it is horizontal
State.
A kind of operation principle of teacher's teaching ruler of the utility model:Use device grasps when being drawn on blackboard
Hand handle 4, using the tumbler of hand handle 4, mark post 1-4 is overlapped with the elongated slot 2-2 on weight 2, device adjusted to horizontal level,
The distance between adjustable rule 5, two parallel lines drawn as needed adjustment the distance between adjustable rule 5 and chi sword 1-1 are pulled, is adjusted
After the completion of whole, the position of adjustable rule 5 is fixed using turn fastening screw 3, thus can pass through adjustable rule 5 and chi with chalk
Sword 1-1 draws two parallel lines on blackboard.
Certainly, described above 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 essential scope of the present utility model, also belong to
In the scope of protection of the utility model.
Claims (3)
1. a kind of teacher's teaching ruler, including teaching ruler main body (1), weight (2), fastening screw (3), hand handle (4) and adjustable rule
(5), it is characterised in that:Chi sword (1-1), rectangular opening (1-2), L shaped plate (1-3), mark are provided with described teaching ruler main body (1)
Bar (1-4), screwed hole (1-5), otic placode (1-6) and circular projection (1-7), chi is provided with a line of teaching ruler main body (1)
Sword (1-1), there are L shaped plate (1-3), the cross section of L shaped plate (1-3) by bonding connection in the another a line of teaching ruler main body (1)
For L-shaped, two rectangular openings (1-2) are symmetrically arranged with L shaped plate (1-3), screwed hole (1-5), spiral shell are provided with L shaped plate (1-3)
Pit (1-5) is connected with a rectangular opening (1-2), otic placode (1-6) by bonding connection among L shaped plate (1-3) lower end,
Circular projection (1-7) is threadedly attached in otic placode (1-6) center, and mark post (1-4) is threadedly attached in otic placode (1-6)
Lower end;
The collar (2-1) and elongated slot (2-2) are provided with described weight (2), the upper end of weight (2) is shaft-like, and lower end is triangle
Shape, the collar (2-1) are arranged on the upper end of weight (2), and the collar (2-1) is structure as a whole with weight (2), and elongated slot (2-2) is located at
The centre position of weight (2);
There are two rectangular shafts (5-1) at the both ends of described adjustable rule (5) by bonding connection;
Bearing is cased with circular projection (1-7) in described teaching ruler main body (1), is between bearing and circular projection (1-7)
It is interference fitted, the collar (2-1) on weight (2) is enclosed on the bearing on circular projection (1-7), and the collar (2-1) is between bearing
For interference fit, fastening screw (3) is threadedly attached on screwed hole (1-5), and hand handle (4) is by bonding connection in teaching ruler
The centre of main body (1), thin one end in one end of hand handle (4) is thick, and two rectangular shafts (5-1) on adjustable rule (5) are inserted in two rectangles
In hole (1-2), and coordinate between rectangular shaft (5-1) and rectangular opening (1-2) for gap.
A kind of 2. teacher's teaching ruler according to claim 1, it is characterised in that:Described adjustable rule (5) and chi sword (1-
1) it is parallel.
A kind of 3. teacher's teaching ruler according to claim 1, it is characterised in that:It is described under gravity, mark post
When (1-4) overlaps with the elongated slot (2-2) on weight (2), teaching ruler main body (1) is in horizontality.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720364035.2U CN206983585U (en) | 2017-04-10 | 2017-04-10 | A kind of teacher's teaching ruler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720364035.2U CN206983585U (en) | 2017-04-10 | 2017-04-10 | A kind of teacher's teaching ruler |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206983585U true CN206983585U (en) | 2018-02-09 |
Family
ID=61421451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720364035.2U Expired - Fee Related CN206983585U (en) | 2017-04-10 | 2017-04-10 | A kind of teacher's teaching ruler |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206983585U (en) |
-
2017
- 2017-04-10 CN CN201720364035.2U patent/CN206983585U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
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: 20180209 Termination date: 20190410 |