CN207207545U - A kind of teaching ruler - Google Patents
A kind of teaching ruler Download PDFInfo
- Publication number
- CN207207545U CN207207545U CN201720572738.4U CN201720572738U CN207207545U CN 207207545 U CN207207545 U CN 207207545U CN 201720572738 U CN201720572738 U CN 201720572738U CN 207207545 U CN207207545 U CN 207207545U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- installing plate
- extension rod
- neck
- plate
- 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
The utility model discloses a kind of teaching ruler, including installing plate, scale strip one is fixedly connected with the top of the installing plate, the installing plate is internally provided with extension rod, and scale strip two is fixedly connected with the top of the extension rod, neck one is offered on the left of the extension rod bottom, the right side opening of the extension rod bottom is provided with neck two, the right side opening of the installing plate bottom is provided with through hole, and the inside of the through hole is provided through kelly, the inside of neck two is extended at the top of the kelly.The cooperation that the utility model passes through extension rod, neck one, neck two, kelly, stripper plate, spring one, connecting rod, storage case, spring two, connecting plate and gag lever post, effect that can be by extension rod by being extracted out inside installing plate or inserting extension rod inside installing plate is reached, it can be adjusted with length, when drawing or measuring some longer line segments, need not adjust the position of ruler, it is easy to use the characteristics of.
Description
Technical field
Teaching aid technical field is the utility model is related to, specially a kind of teaching ruler.
Background technology
Teacher is during teaching, it is sometimes necessary to is drawn, at this moment just needs to use ruler, ruler also has person
For a chi, there is accurate straight line seamed edge, for measuring length and mapping.It is widely used in mathematics, measures, the subject such as engineering,
But the length of ruler is all fixed at present, when drawing or measuring some longer line segments, it is necessary to constantly adjust ruler
Position, it is inconvenient for use.
Utility model content
The purpose of this utility model is to provide a kind of teaching ruler, and possessing length can be adjusted, and is drawing or is measuring
During some longer line segments, it is not necessary to adjust the position of ruler, it is easy to use the advantages of, the length for solving current ruler is all
It is fixed, when drawing or measuring some longer line segments, it is necessary to constantly adjust the position of ruler, it is inconvenient for use the problem of.
To achieve the above object, the utility model provides following technical scheme：A kind of teaching ruler, including installing plate,
Scale strip one is fixedly connected with the top of the installing plate, the installing plate is internally provided with extension rod, the extension rod
Top is fixedly connected with scale strip two, and neck one, the right side of the extension rod bottom are offered on the left of the extension rod bottom
Neck two is offered, the right side opening of the installing plate bottom is provided with through hole, and the inside of the through hole is provided through kelly, described
The inside of neck two is extended at the top of kelly, the bottom of the kelly through through hole and is fixedly connected with stripper plate, described to squeeze
Both sides at the top of pressing plate have been fixedly connected with spring one, and the top of the spring one is fixedly connected with the bottom of installing plate, described
Connecting rod is fixedly connected with the right side of installing plate bottom, the bottom of the connecting rod is fixedly connected with storage case, the storage case
Spring two is fixedly connected with the left of inwall, the right-hand member of the spring two is fixedly connected with connecting plate, the right side of the connecting plate
Gag lever post is fixedly connected with, the right-hand member of the gag lever post through storage case and extends to the bottom of stripper plate.
Preferably, the support that passes on left of the extension rod bottom is movably installed with roller one, the installing plate inwall
Bottom is fixedly connected with slide rail one, and the roller one is slidably connected with slide rail one.
Preferably, rubber blanket, the left side of the extension rod and scale strip are fixedly connected with the left of the installing plate inwall
Right contact of two left side with rubber blanket.
Preferably, the top and bottom of the connecting plate are movably installed with roller two by support, in the storage case
Slide rail two is fixedly connected with the top and bottom of wall, the roller two is slidably connected with slide rail two.
Preferably, foam-rubber cushion, the bottom of the foam-rubber cushion and gag lever post are fixedly connected with the left of the stripper plate bottom
The right contact at top.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model passes through extension rod, neck one, neck two, kelly, stripper plate, spring one, connecting rod, receiving
The cooperation of case, spring two, connecting plate and gag lever post, having reached can be by extension rod by being extracted out inside installing plate or by extension rod
The effect inserted inside installing plate, there is length can adjust, when drawing or measuring some longer line segments, it is not necessary to adjust
The position of ruler, it is easy to use the characteristics of.
2nd, the utility model is by setting roller one and slide rail one, it is possible to increase fluency when extension rod moves, passes through
Set rubber blanket, can avoid extension rod hit installing plate inwall dynamics it is excessive cause damage the problem of, by setting roller two
With slide rail two, it is possible to increase fluency when connecting plate moves, by setting foam-rubber cushion, stripper plate can be avoided to hit gag lever post
Dynamics is excessive the problem of causing damage.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model A-A partial structurtes enlarged drawing.
In figure：1 installing plate, 2 scale strips one, 3 extension rods, 4 scale strips two, 5 necks one, 6 necks two, 7 through holes, 8 kellies,
9 stripper plates, 10 springs one, 11 connecting rods, 12 storage cases, 13 springs two, 14 connecting plates, 15 gag lever posts, 16 rollers one, 17 slide rails
First, 18 rubber blankets, 19 rollers two, 20 slide rails two, 21 foam-rubber cushions.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2, a kind of teaching ruler, including installing plate 1 are referred to, the top of installing plate 1 is fixedly connected with scale strip
One 2, installing plate 1 is internally provided with extension rod 3, and rubber blanket 18 is fixedly connected with the left of the inwall of installing plate 1, extension rod 3
The right contact of left side and the left side of scale strip 24 with rubber blanket 18, by setting rubber blanket 18, extension rod 3 can be avoided
Hit the inwall dynamics of installing plate 1 it is excessive cause damage the problem of, the support that passes on left of the bottom of extension rod 3 is movably installed with roller
One 16, the bottom of the inwall of installing plate 1 is fixedly connected with slide rail 1, and roller 1 is slidably connected with slide rail 1, passes through setting
Roller 1 and slide rail 1, it is possible to increase fluency when extension rod 3 moves, the top of extension rod 3 is fixedly connected with scale
Bar 24, neck 1 is offered on the left of the bottom of extension rod 3, the right side opening of the bottom of extension rod 3 is provided with neck 26, the bottom of installing plate 1
The right side opening in portion is provided with through hole 7, and the inside of through hole 7 is provided through kelly 8, and the top of kelly 8 extends to the interior of neck 26
Portion, the bottom of kelly 8 through through hole 7 and are fixedly connected with stripper plate 9, and the both sides at the top of stripper plate 9 have been fixedly connected with spring
One 10, the top of spring 1 is fixedly connected with the bottom of installing plate 1, and installing plate 1 is fixedly connected with connecting rod on the right side of bottom
11, the bottom of connecting rod 11 is fixedly connected with storage case 12, and spring 2 13, spring are fixedly connected with the left of the inwall of storage case 12
2 13 right-hand member is fixedly connected with connecting plate 14, and the top and bottom of connecting plate 14 are movably installed with roller two by support
19, slide rail 2 20 has been fixedly connected with the top and bottom of the inwall of storage case 12, and roller 2 19 is slidably connected with slide rail 2 20, leads to
Cross setting roller 2 19 and slide rail 2 20, it is possible to increase fluency when connecting plate 14 moves, the right side of connecting plate 14, which is fixed, to be connected
Gag lever post 15 is connected to, the right-hand member of gag lever post 15 through storage case 12 and extends to the bottom of stripper plate 9, a left side for the bottom of stripper plate 9
Side is fixedly connected with foam-rubber cushion 21, the bottom of foam-rubber cushion 21 and the right contact at the top of gag lever post 15, by setting foam-rubber cushion 21,
Can avoid stripper plate 9 hit the dynamics of gag lever post 15 it is excessive cause damage the problem of, pass through extension rod 3, neck 1, neck two
6th, the cooperation of kelly 8, stripper plate 9, spring 1, connecting rod 11, storage case 12, spring 2 13, connecting plate 14 and gag lever post 15,
The effect that extension rod 3 can be extracted out by the inside of installing plate 1 or be inserted extension rod 3 inside installing plate 1 is reached, there is length
Degree can be adjusted, when drawing or measuring some longer line segments, it is not necessary to adjust the position of ruler, it is easy to use the characteristics of.
In use, stripper plate 9 can be in the presence of spring 1 after gag lever post 15 is squeezed in storage case 12 by user
Decline, drive kelly 8 to be extracted out by the inside of neck 26 while stripper plate 9 declines, user, which tilts installing plate 1, can promote to prolong
Boom 3 inside installing plate 1 by skidding off, and after extension rod 3 slides into the position of the corresponding kelly 8 of neck 1, user will extrude
Plate 9 is upward, and stripper plate 9 promotes kelly 8 to be caught in the inside of neck 1 while upward, user unclamps spacing again
Bar 15, gag lever post 15 are against the bottom of stripper plate 9, user in the presence of spring 2 13 by being ejected inside storage case 12
Drawn or measured.
In summary：The teaching ruler, pass through extension rod 3, neck 1, neck 26, kelly 8, stripper plate 9, spring
One 10, the cooperation of connecting rod 11, storage case 12, spring 2 13, connecting plate 14 and gag lever post 15, solves the length of current ruler
All be it is fixed, it is awkward to ask when drawing or measuring some longer line segments, it is necessary to constantly adjust the position of ruler
Topic.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of teaching ruler, including installing plate（1）, it is characterised in that：The installing plate（1）Top be fixedly connected with quarter
Spend bar one（2）, the installing plate（1）Be internally provided with extension rod（3）, the extension rod（3）Top be fixedly connected with quarter
Spend bar two（4）, the extension rod（3）Neck one is offered on the left of bottom（5）, the extension rod（3）Opened up on the right side of bottom
There is neck two（6）, the installing plate（1）The right side opening of bottom is provided with through hole（7）, the through hole（7）Inside be provided through
Kelly（8）, the kelly（8）Top extend to neck two（6）Inside, the kelly（8）Bottom pass through through hole（7）And
It is fixedly connected with stripper plate（9）, the stripper plate（9）The both sides at top have been fixedly connected with spring one（10）, the spring one
（10）Top and installing plate（1）Bottom be fixedly connected, the installing plate（1）Connecting rod is fixedly connected with the right side of bottom
（11）, the connecting rod（11）Bottom be fixedly connected with storage case（12）, the storage case（12）The left side of inwall, which is fixed, to be connected
It is connected to spring two（13）, the spring two（13）Right-hand member be fixedly connected with connecting plate（14）, the connecting plate（14）Right side
It is fixedly connected with gag lever post（15）, the gag lever post（15）Right-hand member pass through storage case（12）And extend to stripper plate（9）Bottom
Portion.
A kind of 2. teaching ruler according to claim 1, it is characterised in that：The extension rod（3）The left side of bottom leads to
Cross support and be movably installed with roller one（16）, the installing plate（1）The bottom of inwall is fixedly connected with slide rail one（17）, the rolling
Wheel one（16）With slide rail one（17）It is slidably connected.
A kind of 3. teaching ruler according to claim 1, it is characterised in that：The installing plate（1）The left side of inwall is consolidated
Surely it is connected with rubber blanket（18）, the extension rod（3）Left side and scale strip two（4）Left side and rubber blanket（18）Right side
Contact.
A kind of 4. teaching ruler according to claim 1, it is characterised in that：The connecting plate（14）Top and bottom
Roller two is movably installed with by support（19）, the storage case（12）Slide rail has been fixedly connected with the top and bottom of inwall
Two（20）, the roller two（19）With slide rail two（20）It is slidably connected.
A kind of 5. teaching ruler according to claim 1, it is characterised in that：The stripper plate（9）The left side of bottom is consolidated
Surely it is connected with foam-rubber cushion（21）, the foam-rubber cushion（21）Bottom and gag lever post（15）The right contact at top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720572738.4U CN207207545U (en) | 2017-05-22 | 2017-05-22 | A kind of teaching ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720572738.4U CN207207545U (en) | 2017-05-22 | 2017-05-22 | A kind of teaching ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207207545U true CN207207545U (en) | 2018-04-10 |
Family
ID=61810030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720572738.4U Expired - Fee Related CN207207545U (en) | 2017-05-22 | 2017-05-22 | A kind of teaching ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207207545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605992A (en) * | 2018-12-06 | 2019-04-12 | 陕西理工大学 | A kind of damping fixture block location type drawing composite ruler |
-
2017
- 2017-05-22 CN CN201720572738.4U patent/CN207207545U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605992A (en) * | 2018-12-06 | 2019-04-12 | 陕西理工大学 | A kind of damping fixture block location type drawing composite ruler |
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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: 20180410 Termination date: 20190522 |