CN206347947U - A kind of special drawing scale chi of construction costs - Google Patents
A kind of special drawing scale chi of construction costs Download PDFInfo
- Publication number
- CN206347947U CN206347947U CN201720029746.4U CN201720029746U CN206347947U CN 206347947 U CN206347947 U CN 206347947U CN 201720029746 U CN201720029746 U CN 201720029746U CN 206347947 U CN206347947 U CN 206347947U
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- CN
- China
- Prior art keywords
- scale
- engineer
- secondary ruler
- ruler
- cover plate
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- 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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- Drawing Aids And Blackboards (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a kind of special drawing scale chi of construction costs, including engineer's scale, engineer's scale is triangular prism-shaped, and the two sides of every seamed edge are provided with the scale of different proportion, engineer's scale is hollow structure, and be internally provided with secondary ruler hole, secondary ruler hole being provided with secondary ruler, secondary ruler is provided with secondary scale, the secondary ruler head end activity is connected in engineer's scale, and secondary ruler end is provided with the inside of cover plate, cover plate and is provided with magnet piece, and the engineer's scale contacted with magnet piece is provided with iron plate.The structure can ensure that secondary ruler is stretched to after maximum length by the engaging between limited block and limitting casing and no longer be drawn out, and ensure that secondary ruler can fix holding this length and not change after being drawn out provided with magnet and iron plate structure between limited block and limitting casing, so as to the convenient measurement to big drawing, can be by cover plate absorption on engineer's scale by the magneticaction between the magnet piece on cover plate and the iron plate of engineer's scale end, prevent secondary ruler from skidding off, so that the convenient measurement to small drawing.
Description
Technical field
The utility model is related to engineer's scale field, the special drawing scale chi of specially a kind of construction costs.
Background technology
Engineer's scale is to represent the ratio between physical length of the length of line segment line segment corresponding to ground on figure.In present work
In Cheng Huitu, triangular proportional scale is commonly used, triangular proportional scale has the function of measurement and conversion proportion, can root in construction costs
Corresponding proportion chi is selected to be convenient for measuring according to drawing scale, it is not necessary to calculate actual size with ratio formula again, can so subtract
Few user calculating time required when carrying out ratio conversion, but for some large scale drawings, typically on the diagram
Bigger engineer's scale is needed when measuring, but large scale is not convenient enough in terms of carrying, and can not be well big
Switched between small different drawing, be this it is proposed that a kind of special drawing scale chi of construction costs is above-mentioned for solving
Problem.
Utility model content
The purpose of this utility model is to provide a kind of construction costs special drawing scale chi, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical scheme：A kind of special drawing scale of construction costs
Chi, including engineer's scale, the engineer's scale be triangular prism-shaped, and every seamed edge two sides be provided with different proportion scale, institute
Engineer's scale is stated for hollow structure, and is internally provided with secondary ruler hole, the secondary ruler hole being provided with secondary ruler, the secondary ruler is carved provided with secondary
Degree, the secondary ruler head end activity is connected in engineer's scale, and secondary ruler end is provided with the inside of cover plate, the cover plate and is provided with magnet piece, and
The engineer's scale contacted with magnet piece is provided with iron plate.
It is preferred that, the shape of the secondary ruler is identical with engineer's scale, and length of the length less than engineer's scale of secondary ruler, secondary ruler bottom
The length of side in face is less than the length of side of engineer's scale bottom surface.
It is preferred that, the secondary scale head end is the corresponding number of degrees behind scale, and the secondary scale on every seamed edge of secondary ruler divides
Scale that Dui Ying be on engineer's scale.
It is preferred that, described three bases of secondary ruler head end are provided with the inside of limited block, the secondary ruler outer end of hole and are provided with limitting casing,
And pad is provided with the limitting casing of secondary ruler contact position, pass through magnet and iron plate structure movement between the limited block and limitting casing
Clamping.
It is preferred that, cover plate bottom surface size and engineer's scale bottom surface size are consistent.
Compared with prior art, the beneficial effects of the utility model are：The utility model structure is needing to measure big drawing
When, after secondary ruler is pulled out by cover plate, it can ensure that secondary ruler is stretched to maximum length by the engaging between limited block and limitting casing
No longer it is drawn out afterwards, now the secondary scale in secondary ruler just corresponds to scale end on engineer's scale, so as to by ratio
Chi and secondary ruler connect into complete and larger lengths a drawing scale chi, and between limited block and limitting casing provided with magnet and
Iron plate structure ensures that secondary ruler can be fixed after being drawn out and keeps this length not change, so that the convenient survey to big drawing
Amount, and cover plate can ensure that secondary ruler is maintained on same horizontal plane in measurement with engineer's scale, when needing to measure small drawing,
Promote cover plate to engineer's scale end, will can be covered by the magneticaction between the magnet piece on cover plate and the iron plate of engineer's scale end
Plate is adsorbed on engineer's scale, prevents secondary ruler from skidding off, so that the convenient measurement to small drawing.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model engineer's scale end structure schematic diagram；
Fig. 3 is the utility model engineer's scale and secondary ruler connection diagram.
In figure：1 engineer's scale, 2 scales, 3 secondary ruler holes, 4 iron plates, 5 secondary rulers, 6 secondary scales, 7 cover plates, 8 magnet pieces, 9 pads, 10
Limitting casing, 11 limited blocks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, 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, belongs to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of special drawing scale chi of construction costs,
Including engineer's scale 1, engineer's scale 1 is triangular prism-shaped, and triangular prism bottom surface is equilateral triangle, and every seamed edge two sides provided with not
Scale 2 in proportion, engineer's scale 1 is hollow structure, and is internally provided with secondary ruler hole 3, secondary ruler hole 3 being provided with secondary ruler 5, secondary ruler hole
3 size is more than the size of the cross section of secondary ruler 5, and the shape and engineer's scale 1 of secondary ruler 5 are identical, and the length of secondary ruler 5 is less than ratio
The length of chi 1, the length of side of the bottom surface of secondary ruler 5 is less than the length of side of the bottom surface of engineer's scale 1, and secondary ruler 5 can be contained in engineer's scale 1.
Secondary ruler 5 is provided with secondary scale 6, and the secondary head end of scale 6 is the corresponding number of degrees, and on the every seamed edge of secondary ruler 5 below of scale 2
Secondary scale 6 respectively correspond to engineer's scale 1 on scale 2, secondary ruler 5 is pulled out, the secondary scale 6 in secondary ruler 5 just correspond to immediately in
The end of scale 2 on engineer's scale 1, so as to which engineer's scale 1 and secondary ruler 5 are connected into complete and larger lengths a drawing
Chi, the head end activity of secondary ruler 5 is connected in engineer's scale 1, and 5 head end of secondary ruler, three bases are provided with limited block 11, the outer end of secondary ruler hole 3
Inner side is provided with limitting casing 10, and is provided with pad 9 with the limitting casing 10 of the contact position of secondary ruler 5, between limited block 11 and limitting casing 10
, can be true by the engaging between limited block 11 and limitting casing 10 after secondary ruler 5 is pulled out by magnet and iron plate structure movement clamping
Guarantor's secondary ruler 5, which is stretched to after certain length, to be no longer drawn out, and magnet and iron plate structure are provided between limited block 11 and limitting casing 10
Ensureing that secondary ruler 5 can be fixed after being drawn out keeps this length not change, and pad 9 can make the position of secondary ruler 5 more steady
It is fixed, thus the convenient measurement to big drawing, and the end of secondary ruler 5 is provided with cover plate 7, and the bottom surface size of cover plate 7 and the bottom surface of engineer's scale 1 are big
Small to be consistent, cover plate 7 can ensure that secondary ruler 5 is maintained on same horizontal plane in measurement with engineer's scale 1, the inner side of cover plate 7
Provided with magnet piece 8, and the engineer's scale 1 contacted with magnet piece 8 is provided with iron plate 4, promotes cover plate 7 to arrive the end of engineer's scale 1, passes through lid
The iron plate 4 of magnet piece 8 and the end of engineer's scale 1 on plate 7 can adsorb cover plate 7 on engineer's scale 1, prevent secondary ruler 5 from skidding off, so that
The convenient measurement to small drawing.
Operation principle：The utility model structure after by cover plate 7, secondary ruler 5 is pulled out, passes through when needing to measure big drawing
Engaging between limited block 11 and limitting casing 10 can ensure that secondary ruler 5 to be stretched to after maximum length and no longer be drawn out, now in secondary ruler 5
Secondary scale 6 just correspond to the end of scale 2 on engineer's scale 1, so as to which engineer's scale 1 and secondary ruler 5 are connected into one
The drawing scale chi of complete and larger lengths, and ensure secondary provided with magnet and iron plate structure between limited block 11 and limitting casing 10
Chi 5 can fix holding this length and not change after being drawn out, so that the convenient measurement to big drawing, and cover plate 7 can be with
Ensure that secondary ruler 5 is maintained on same horizontal plane in measurement with engineer's scale 1, when needing to measure small drawing, promote cover plate 7 to arrive
The end of engineer's scale 1, can be inhaled cover plate 7 by the magneticaction between the magnet piece 8 on cover plate 7 and the iron plate 4 of the end of engineer's scale 1
It is attached on engineer's scale 1, prevents secondary ruler 5 from skidding off, so that the convenient measurement to small drawing.
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 in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of special drawing scale chi of construction costs, including engineer's scale (1), the engineer's scale (1) are triangular prism-shaped, and often
The two sides of bar seamed edge are provided with the scale (2) of different proportion, it is characterised in that：The engineer's scale (1) is hollow structure, and its
Inside is provided with secondary ruler hole (3), and secondary ruler (5) is provided with the secondary ruler hole (3), and the secondary ruler (5) is provided with secondary scale (6), the pair
Chi (5) head end activity is connected in engineer's scale (1), and secondary ruler (5) end is provided with the inside of cover plate (7), the cover plate (7) and is provided with magnetic
Iron block (8), and the engineer's scale (1) contacted with magnet piece (8) is provided with iron plate (4).
2. a kind of special drawing scale chi of construction costs according to claim 1, it is characterised in that：The secondary ruler (5)
Shape and engineer's scale (1) it is identical, and the length of secondary ruler (5) is less than the length of engineer's scale (1), and the length of side of secondary ruler (5) bottom surface is small
The length of side in engineer's scale (1) bottom surface.
3. a kind of special drawing scale chi of construction costs according to claim 1, it is characterised in that：The secondary scale
(6) head end is scale (2) the corresponding number of degrees below, and the secondary scale (6) on secondary ruler (5) every seamed edge corresponds to engineer's scale respectively
(1) scale (2) on.
4. a kind of special drawing scale chi of construction costs according to claim 1, it is characterised in that：The secondary ruler (5)
Three bases of head end, which are provided with the inside of limited block (11), secondary ruler hole (3) outer end, is provided with limitting casing (10), and with secondary ruler (5)
The limitting casing (10) of contact position is provided with pad (9), and magnet and iron plate are passed through between the limited block (11) and limitting casing (10)
Structure movement clamping.
5. a kind of special drawing scale chi of construction costs according to claim 1, it is characterised in that：The cover plate (7)
Bottom surface size and engineer's scale (1) bottom surface size are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720029746.4U CN206347947U (en) | 2017-01-11 | 2017-01-11 | A kind of special drawing scale chi of construction costs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720029746.4U CN206347947U (en) | 2017-01-11 | 2017-01-11 | A kind of special drawing scale chi of construction costs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206347947U true CN206347947U (en) | 2017-07-21 |
Family
ID=59324552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720029746.4U Expired - Fee Related CN206347947U (en) | 2017-01-11 | 2017-01-11 | A kind of special drawing scale chi of construction costs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206347947U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108544878A (en) * | 2018-03-16 | 2018-09-18 | 浙江同济科技职业学院 | A kind of portable multi-function drafting instrument |
| CN113237401A (en) * | 2021-04-19 | 2021-08-10 | 中山市多纷优品电子商务有限公司 | Tool ruler |
-
2017
- 2017-01-11 CN CN201720029746.4U patent/CN206347947U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108544878A (en) * | 2018-03-16 | 2018-09-18 | 浙江同济科技职业学院 | A kind of portable multi-function drafting instrument |
| CN113237401A (en) * | 2021-04-19 | 2021-08-10 | 中山市多纷优品电子商务有限公司 | Tool ruler |
| CN113237401B (en) * | 2021-04-19 | 2023-12-19 | 中山市多纷优品电子商务有限公司 | Tool ruler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170721 Termination date: 20190111 |