CN209505295U - A kind of multifunctional teaching ruler - Google Patents
A kind of multifunctional teaching ruler Download PDFInfo
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- CN209505295U CN209505295U CN201920032460.0U CN201920032460U CN209505295U CN 209505295 U CN209505295 U CN 209505295U CN 201920032460 U CN201920032460 U CN 201920032460U CN 209505295 U CN209505295 U CN 209505295U
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- inner end
- hinge
- bar
- fixing shell
- articulated jib
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Abstract
The utility model relates to teaching fields, in particular it is a kind of multifunctional teaching ruler, is provided with compasses telescopic arm and Telescopic scale, passes through being used cooperatively for compasses telescopic arm and Telescopic scale, facilitate the circle of picture different size, can be measured by the more objects of Telescopic scale；Telescopic scale can change the range of measurement, including shell, compasses telescopic arm and Telescopic scale, two hinge eyes I and two hinge eyes II can facilitate fixing shell I and fixing shell II by two hinge column articulated connections, so that fixing shell I does not depart from fixing shell II；Semicircle boss be hingedly connected in fixing shell I and fixing shell II by two hinge columns, it can be achieved that semicircle boss around hinge column rotation, by semicircle boss around hinge column rotation, it can be achieved that compasses telescopic rod turnover campaign；By the connection of locking spring screw rod and articulated slab and snap ring, it can be achieved that fixation to fixing shell I and fixing shell II.
Description
Technical field
The utility model relates to teaching fields, are in particular a kind of multifunctional teaching rulers.
Background technique
Such as a kind of multifunctional teaching ruler of Patent No. CN201420202364.3, including locating rod and it is located at positioning
The side arm and protractor of bar two sides, the sliding block that moves along side arm sliding is provided on side arm, and mobile sliding block one end is provided with and can consolidate
Determine the collet of chalk, be provided with more than two sequentially connected motion bars between locating rod one end and mobile sliding block, on motion bar
It is provided with sliding slot, is connected between motion bar by the sliding block slided along the chute, but the shortcomings that utility model is that device expansion makes
With rear, the use space of required placement is bigger, it has not been convenient to carry.
Summary of the invention
The purpose of the utility model is to provide a kind of multifunctional teaching rulers, are provided with compasses telescopic arm and Telescopic scale,
By being used cooperatively for compasses telescopic arm and Telescopic scale, facilitates the circle of picture different size, the more objects of Telescopic scale can be passed through
Body measures；Telescopic scale can change the range of measurement.
The purpose of this utility model is achieved through the following technical solutions:
A kind of multifunctional teaching ruler, including shell, compasses telescopic arm and Telescopic scale, the shell include fixing shell
I, fixing shell II, articulated slab, two hinge eyes I, two hinge eyes II and snap ring, articulated slab are fixedly connected on fixing shell I
Right end, two hinge eyes I are respectively fixedly connected in the front and rear sides of I right end of fixing shell, and two hinge eyes II are fixed respectively
The front and rear sides of II left end of fixing shell are connected to, snap ring is fixedly connected on the downside of II left end of fixing shell；
The compasses telescopic arm include semicircle boss, left end fixing lug boss, two hinge columns, compasses telescopic rod (2-5,
Right side inner end hinge bar and inner end sliding slot, left end fixing lug boss are fixedly connected on the left end of semicircle boss inner face, two hinges
It connects column to be respectively fixedly connected in the rear and front end of semicircle boss, right side inner end hinge bar is fixedly connected on semicircle boss inner end
The inner end of semicircle boss is arranged in the right end in face, inner end sliding slot, and clearance fit is connected to two hingedly to two hinge columns respectively
Between ring I and two hinge eyes II；
The compasses telescopic rod includes articulated jib I, articulated jib II, articulated jib III, articulated jib IV, articulated jib V, articulated jib
VI, chalk fixed sleeving, fixed sleeving slide opening and sliding boss, the upper and lower ends of articulated jib III are hingedly connected in articulated jib
VI and articulated jib II on, the upper and lower ends of articulated jib IV are hingedly connected on articulated jib V and articulated jib II, articulated jib I
Lower end is hingedly connected on the hinge bar of right side inner end, and the lower end of articulated jib II is hingedly connected to the upper end of sliding boss, slides convex
Platform is slidably connected in the sliding slot of inner end, and the upper end of articulated jib V and articulated jib VI is hingedly connected on chalk fixed sleeving, fixed
Casing slide opening is arranged on chalk fixed sleeving,
The Telescopic scale includes scale casing, inner end scale bar, auxiliary rod, limits end plate, is sliding by lever, inner end
Bar, inner end spring, two slidably kelly, two connecting rods, multiple card holes, two side walls hinge bar, inner end cylindricality slide openings, two
Scale casing is arranged in a side wall cylindrical hole, inner end cylindrical hole and slide card bar, the inner end hollow out of scale casing, inner end scale bar
Inner end, limit end plate are fixedly connected on the upper end of inner end scale bar, and inner end cylindricality slide opening is arranged in the inner end of inner end scale bar, and two
A side wall cylindrical hole is separately positioned on the rear and front end of inner end scale bar, and inner end cylindrical hole is arranged under interior newel post's shape slide opening
End, inner end spring are plugged on the inner end of inner end cylindrical hole, and slide card bar is fixedly connected on the outer end of slidably kelly, inner end slide bar
Lower end is slidably connected in the cylindrical hole of inner end, and the upper end of inner end slide bar is fixedly connected on by lever, is slidably connected at by lever
Limit the middle-end of end plate, the lower end of two connecting rods is hingedly connected on two side walls hinge bar, two connecting rods it is upper
End be hingedly connected on two slidably kelly, two slidably kelly be slidably connected at two side walls cylindrical hole respectively
Interior, the lower end of scale casing is fixedly connected in the fixing lug boss of left end, and auxiliary rod clearance fit is connected in fixed sleeving slide opening.
As advanced optimizing for the technical program, a kind of multifunctional teaching ruler of the utility model, the shell further includes
Locking spring screw rod is provided with spring I on locking spring screw rod, and the left end of locking spring screw rod is slidably connected in articulated slab,
The right end clearance fit of locking spring screw rod is connected in snap ring, and spring I is arranged between locking spring screw rod and articulated slab,
As advanced optimizing for the technical program, a kind of multifunctional teaching ruler of the utility model, at the inner end spring
In compressive state.
As advanced optimizing for the technical program, a kind of multifunctional teaching ruler of the utility model, the length of the auxiliary rod
Degree is less than the sum of fixing shell I and the height of fixing shell II.
A kind of multifunctional teaching ruler of the utility model has the beneficial effect that
A kind of multifunctional teaching ruler of the utility model, two hinge eyes I and two hinge eyes II can facilitate I He of fixing shell
Fixing shell II is by two hinge column articulated connections, so that fixing shell I does not depart from fixing shell II；Semicircle boss passes through
Two hinge columns be hingedly connected in fixing shell I and fixing shell II, it can be achieved that semicircle boss around hinge column rotation,
By semicircle boss around hinge column rotation, it can be achieved that compasses telescopic rod turnover campaign；By locking spring screw rod with
The connection of articulated slab and snap ring is, it can be achieved that fixation to fixing shell I and fixing shell II.
Detailed description of the invention
The utility model is described in more detail with specific implementation method with reference to the accompanying drawing.
Fig. 1 is the overall structure diagram one of the utility model；
Fig. 2 is the overall structure diagram two of the utility model；
Fig. 3 is the shell mechanism schematic diagram one of the utility model；
Fig. 4 is the shell mechanism schematic diagram two of the utility model；
Fig. 5 is the shell mechanism schematic diagram three of the utility model；
Fig. 6 is the shell mechanism schematic diagram four of the utility model；
Fig. 7 is the compasses telescopic arm structure schematic diagram one of the utility model；
Fig. 8 is the compasses telescopic arm structure schematic diagram two of the utility model；
Fig. 9 is the compasses telescopic arm structure schematic diagram three of the utility model；
Figure 10 is the compasses telescopic arm structure schematic diagram four of the utility model；
Figure 11 is the Telescopic scale structural schematic diagram one of the utility model；
Figure 12 is the Telescopic scale structural schematic diagram two of the utility model；
Figure 13 is the Telescopic scale structural schematic diagram three of the utility model；
Figure 14 is the Telescopic scale structural schematic diagram four of the utility model；
Figure 15 is the Telescopic scale structural schematic diagram five of the utility model.
In figure: shell 1；I 1-1 of fixing shell；II 1-2 of fixing shell；Locking spring screw rod 1-3；Articulated slab 1-4；Hingedly
I 1-5 of ring；II 1-6 of hinge eyes；Snap ring 1-7；Compasses telescopic arm 2；Semicircle boss 2-1；Left end fixing lug boss 2-2；Hinge column 2-
3；Compasses telescopic rod (2-5；Right side inner end hinge bar 2-6；Inner end sliding slot 2-7；I 2-5-1 of articulated jib；II 2-5-2 of articulated jib；Hinge
Meet III 2-5-3 of arm；IV 2-5-4 of articulated jib；V 2-5-5 of articulated jib；VI 2-5-6 of articulated jib；Chalk fixed sleeving 2-5-7；It is fixed
Casing slide opening 2-5-8；Sliding boss 2-5-9；Telescopic scale 3；Scale casing 3-1；Inner end scale bar 3-2；Auxiliary rod 3-3；
Limit end plate 3-4；By lever 3-5；Inner end slide bar 3-6；Inner end spring 3-7；Slidably kelly 3-8；Connecting rod 3-9；Card hole 3-
10；Side walls hinged bar 3-11；Inner end cylindricality slide opening 3-12；Side wall cylindrical hole 3-13；Inner end cylindrical hole 3-14；Slide card bar 3-15.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
It is fixedly connected described in the present apparatus and refers to and be fixed by the modes such as weld, be screwed, in conjunction with different
Use environment uses different fixed forms；The rotation connection refers to by drying bearing on axis, on axis or axis hole
On be provided with spring catch ring recess, by will in circlip card spring catch ring recess realize bearing axial restraint, realize rotation；
Described be slidably connected refers to and is attached by sliding of the sliding block in sliding slot or guide rail；Described hingedly refers to by cutting with scissors
Movable connection type is carried out on the union pieces such as chain, pin shaft and short axle；It is real by sealing ring or O-ring at required sealing
Now seal.
Specific embodiment 1:
Illustrate present embodiment, a kind of multifunctional teaching ruler, including shell 1,2 and of compasses telescopic arm below with reference to Fig. 1-15
Telescopic scale 3, the shell 1 include I 1-1 of fixing shell, II 1-2 of fixing shell, articulated slab 1-4, two I 1-5 of hinge eyes,
Two hinge eyes II 1-6 and snap ring 1-7, articulated slab 1-4 are fixedly connected on the right end of I 1-1 of fixing shell, two I 1-5 of hinge eyes
It is respectively fixedly connected in the front and rear sides of I 1-1 right end of fixing shell, two II 1-6 of hinge eyes are respectively fixedly connected with fixed outer
The front and rear sides of II left end 1-2 of shell, snap ring 1-7 are fixedly connected on the downside of II left end 1-2 of fixing shell；
Two hinge eyes, I 1-5 and two II 1-6 of hinge eyes can facilitate I 1-1 of fixing shell and II 1-2 of fixing shell to pass through
Two hinge column 2-3 articulated connections, so that I 1-1 of fixing shell does not depart from II 1-2 of fixing shell；
The compasses telescopic arm 2 is stretched including semicircle boss 2-1, left end fixing lug boss 2-2, two hinge column 2-3, compasses
Contracting bar 2-5, right side inner end hinge bar 2-6 and inner end sliding slot 2-7, left end fixing lug boss 2-2 are fixedly connected on semicircle boss 2-1
The left end of inner face, two hinge column 2-3 are respectively fixedly connected in the rear and front end of semicircle boss 2-1, and right side inner end is hinged
Bar 2-6 is fixedly connected on the right end of semicircle boss 2-1 inner face, and inner end sliding slot 2-7 is arranged in semicircle boss 2-1
End, clearance fit is connected between two hinge eyes, I 1-5 and two II 1-6 of hinge eyes two hinge column 2-3 respectively；
Semicircle boss 2-1 is hingedly connected to II 1-2 of I 1-1 of fixing shell and fixing shell by two hinge column 2-3
Above, it can be achieved that semicircle boss 2-1 passes through semicircle boss 2-1 and turn around hinge column 2-3 around the rotation of hinge column 2-3
It moves, it can be achieved that (the turnover campaign of 2-5 of compasses telescopic rod；
(2-5 includes I 2-5-1 of articulated jib, II 2-5-2 of articulated jib, III 2-5-3 of articulated jib, articulated jib to the compasses telescopic rod
IV 2-5-4, V 2-5-5 of articulated jib, VI 2-5-6 of articulated jib, chalk fixed sleeving 2-5-7, fixed sleeving slide opening 2-5-8 and sliding
Boss 2-5-9, the upper and lower ends of III 2-5-3 of articulated jib are hingedly connected in II 2-5-2 of VI 2-5-6 of articulated jib and articulated jib
On, the upper and lower ends of IV 2-5-4 of articulated jib are hingedly connected on II 2-5-2 of V 2-5-5 of articulated jib and articulated jib, articulated jib
The lower end of I 2-5-1 is hingedly connected on the inner end hinge bar 2-6 of right side, and the lower end of II 2-5-2 of articulated jib is hingedly connected to slide convex
The upper end of platform 2-5-9, sliding boss 2-5-9 are slidably connected in the sliding slot 2-7 of inner end, VI 2- of V 2-5-5 of articulated jib and articulated jib
The upper end of 5-6 is hingedly connected on chalk fixed sleeving 2-5-7, and fixed sleeving slide opening 2-5-8 is arranged in chalk fixed sleeving 2-
On 5-7,
The Telescopic scale 3 includes scale casing 3-1, inner end scale bar 3-2, auxiliary rod 3-3, limit end plate 3-4, presses
Lever 3-5, inner end slide bar 3-6, inner end spring 3-7, two slidably kelly 3-8, two connecting rod 3-9, multiple card hole 3-10,
Two side walls hinge bar 3-11, inner end cylindricality slide opening 3-12, two side walls cylindrical hole 3-13, inner end cylindrical hole 3-14 and slide card bar
The inner end of scale casing 3-1 is arranged in 3-15, the inner end hollow out of scale casing 3-1, inner end scale bar 3-2, and limit end plate 3-4 is solid
Surely it is connected to the upper end of inner end scale bar 3-2, the inner end of inner end scale bar 3-2, two sides are arranged in inner end cylindricality slide opening 3-12
Wall cylindrical hole 3-13 is separately positioned on the rear and front end of inner end scale bar 3-2, and cylindrical hole 3-14 setting in inner end is sliding in interior newel post's shape
The lower end of hole 3-12, inner end spring 3-7 are plugged on the inner end of inner end cylindrical hole 3-14, and slide card bar 3-15 is fixedly connected on slidably
The outer end of kelly 3-8, the lower end of inner end slide bar 3-6 are slidably connected in the cylindrical hole 3-14 of inner end, and the upper end of inner end slide bar 3-6 is solid
Surely it is connected to by lever 3-5, the middle-end of limit end plate 3-4, the lower end of two connecting rod 3-9 is slidably connected at by lever 3-5
It is hingedly connected on two side walls hinge bar 3-11, the upper end of two connecting rod 3-9 is hingedly connected can slide at two
On dynamic kelly 3-8, two slidably kelly 3-8 be slidably connected in two side walls cylindrical hole 3-13 respectively, scale casing 3-1's
Lower end is fixedly connected on the fixing lug boss 2-2 of left end, and auxiliary rod 3-3 clearance fit is connected in fixed sleeving slide opening 2-5-8.
Specific embodiment 2:
Illustrate present embodiment below with reference to Fig. 1-15, present embodiment is described further embodiment one, described
Shell 1 further includes locking spring screw rod 1-3, and spring I, the left end of locking spring screw rod 1-3 are provided on locking spring screw rod 1-3
It is slidably connected in articulated slab 1-4, the right end clearance fit of locking spring screw rod 1-3 is connected in snap ring 1-7, and spring I is arranged
Between locking spring screw rod 1-3 and articulated slab 1-4, pass through the company of locking spring screw rod 1-3 and articulated slab 1-4 and snap ring 1-7
Connect the fixation, it can be achieved that II 1-2 of I 1-1 of fixing shell and fixing shell.
Specific embodiment 3:
Illustrate present embodiment below with reference to Fig. 1-15, present embodiment is described further embodiment one, described
Inner end spring 3-7 is in compressive state.
Specific embodiment 4:
Illustrate present embodiment below with reference to Fig. 1-15, present embodiment is described further embodiment one, described
The length of auxiliary rod 3-3 is less than the sum of the height of II 1-2 of I 1-1 of fixing shell and fixing shell.
Specific embodiment 5:
Illustrate present embodiment below with reference to Fig. 1-15, present embodiment is described further embodiment one, described
Scale is provided on I 1-1 of fixing shell, II 1-2 of fixing shell, scale casing 3-1 and inner end scale bar 3-2.
A kind of multifunctional teaching ruler of the utility model, its working principle is that:
In use, I 1-1 of fixing shell and II 1-2 of fixing shell is unfolded in 180 degree, as shown in figure 4, simultaneously to locking
Spring spiro rod 1-3 is snapped fit onto snap ring 1-7, realizes the fixation to II 1-2 of I 1-1 of fixing shell and fixing shell；When needing to measure
When the length of object, device can be formed by by I 1-1 of fixing shell and II 1-2 1 of fixing shell expansion 180 degree and be surveyed
Amount；When the stroke of measurement be unsatisfactory for require be, being used cooperatively by scale casing 3-1 and inner end scale bar 3-2, extensive magnitude
Journey；It is manually actuated to press lever 3-5, so that driving inner end slide bar 3-6 along the downward sidesway of inner end cylindrical hole 3-14 by lever 3-5
It is dynamic, by compressing inner end spring 3-7, when by lever 3-5 drive inner end slide bar 3-6 along inner end cylindrical hole 3-14 to
Downside is mobile, by two connecting rod 3-9 drive two slidably kelly 3-8 along two side walls cylindrical hole 3-13 simultaneously to
Medial movement, so that slidably the slide card bar 3-15 on kelly 3-8 and the card hole 3-10 of the inner end scale casing 3-1 are detached from, simultaneously
Inner end scale bar 3-2 is pulled to upper end, so that the total length of inner end scale bar 3-2 and scale casing 3-1 increases, range extension；
It is manually actuated to press lever 3-5 when needing picture bowlder, so that driving inner end slide bar 3-6 along inner end cylindrical hole 3- by lever 3-5
14 move downward, by compressing inner end spring 3-7, when driving inner end slide bar 3-6 along interior newel post by lever 3-5
Shape hole 3-14 is moved downward, by two connecting rod 3-9 drive two slidably kelly 3-8 along two side walls cylindrical hole
3-13 moves inward simultaneously, so that the slidably card hole 3-10 of the slide card bar 3-15 on kelly 3-8 and the inner end scale casing 3-1
It is detached from, the length of the radius needed for being adjusted by inner end scale bar 3-2 and scale casing 3-1 unclamps and presses lever 3-5, in inner end
Under the promotion of spring 3-7 elastic force, so that inner end slide bar 3-6 is moved to upside, driving two by two connecting rod 3-9 can be slided
Dynamic kelly 3-8 along two side walls cylindrical hole 3-13, move outward simultaneously by side, so that slide card bar 3-15 blocks with others again
Hole 3-10 part together, completes the fixation of scale, and chalk is fixed in chalk fixed sleeving 2-5-7, chalk and plate are passed through
The contact in face can draw hemicycle, and device is rotated 180 degree around the center of circle, draws the circle of other half by the above process, into
And form a complete circle.
Certainly, above description 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 the essential scope of the utility model, also belong to
In the protection scope of the utility model.
Claims (4)
1. a kind of multifunctional teaching ruler, including shell (1), compasses telescopic arm (2) and Telescopic scale (3), it is characterised in that: institute
Stating shell (1) includes fixing shell I (1-1), fixing shell II (1-2), articulated slab (1-4), two hinge eyes I (1-5), two
Hinge eyes II (1-6) and snap ring (1-7), articulated slab (1-4) are fixedly connected on the right end of fixing shell I (1-1), two hinge eyes
I (1-5) is respectively fixedly connected in the front and rear sides of fixing shell I (1-1) right end, and two hinge eyes II (1-6) are fixed respectively to be connected
The front and rear sides in the left end fixing shell II (1-2) are connect, snap ring (1-7) is fixedly connected under the left end fixing shell II (1-2)
Side,
The compasses telescopic arm (2) includes semicircle boss (2-1), left end fixing lug boss (2-2), two hinge columns (2-3), circle
Rule telescopic rod (2-5), right side inner end hinge bar (2-6) and inner end sliding slot (2-7), left end fixing lug boss (2-2) are fixedly connected on
The left end of semicircle boss (2-1) inner face, two hinge columns (2-3) are respectively fixedly connected with before semicircle boss (2-1)
Both ends afterwards, right side inner end hinge bar (2-6) are fixedly connected on the right end of semicircle boss (2-1) inner face, inner end sliding slot (2-7)
It is arranged in the inner end of semicircle boss (2-1), clearance fit is connected to two hinge eyes I (1-5) to two hinge columns (2-3) respectively
Between two hinge eyes II (1-6)；
The compasses telescopic rod (2-5) includes articulated jib I (2-5-1), articulated jib II (2-5-2), articulated jib III (2-5-3), hinge
It is sliding to connect arm IV (2-5-4), articulated jib V (2-5-5), articulated jib VI (2-5-6), chalk fixed sleeving (2-5-7), fixed sleeving
Hole (2-5-8) and sliding boss (2-5-9), the upper and lower ends of articulated jib III (2-5-3) are hingedly connected in VI (2- of articulated jib
5-6) and on articulated jib II (2-5-2), the upper and lower ends of articulated jib IV (2-5-4) are hingedly connected in V (2-5- of articulated jib
5) and on articulated jib II (2-5-2), the lower end of articulated jib I (2-5-1) is hingedly connected on right side inner end hinge bar (2-6), hinge
The lower end for connecing arm II (2-5-2) is hingedly connected to the upper end of sliding boss (2-5-9), and sliding boss (2-5-9) are slidably connected at
In inner end sliding slot (2-7), the upper end of articulated jib V (2-5-5) and articulated jib VI (2-5-6) is hingedly connected to chalk fixed sleeving
On (2-5-7), fixed sleeving slide opening (2-5-8) is arranged on chalk fixed sleeving (2-5-7),
The Telescopic scale (3) includes scale casing (3-1), inner end scale bar (3-2), auxiliary rod (3-3), limit end plate
(3-4), by lever (3-5), inner end slide bar (3-6), inner end spring (3-7), two slidably kellies (3-8), two connecting rods
(3-9), multiple card holes (3-10), two side walls hinge bar (3-11), inner end cylindricality slide opening (3-12), two side walls cylindrical hole
(3-13), inner end cylindrical hole (3-14) and slide card bar (3-15), the inner end hollow out of scale casing (3-1), inner end scale bar (3-2)
It is arranged in the inner end of scale casing (3-1), limits the upper end that end plate (3-4) is fixedly connected on inner end scale bar (3-2), interior newel post
Shape slide opening (3-12) is arranged in the inner end of inner end scale bar (3-2), and two side walls cylindrical hole (3-13) is separately positioned on inner end mark
The rear and front end of foot bar (3-2), inner end cylindrical hole (3-14) are arranged in the lower end of interior newel post's shape slide opening (3-12), inner end spring
(3-7) is plugged on the inner end of inner end cylindrical hole (3-14), and slide card bar (3-15) is fixedly connected on the outer of slidably kelly (3-8)
End, the lower end of inner end slide bar (3-6) are slidably connected in inner end cylindrical hole (3-14), and the upper end of inner end slide bar (3-6) is fixed to be connected
It connects on by lever (3-5), the middle-end of limit end plate (3-4) is slidably connected at by lever (3-5), two connecting rods (3-9)
Lower end is hingedly connected on two side walls hinge bar (3-11), and the upper end of two connecting rods (3-9) is hingedly connected
Two slidably on kelly (3-8), two slidably kelly (3-8) be slidably connected at two side walls cylindrical hole (3-13) respectively
Interior, the lower end of scale casing (3-1) is fixedly connected on left end fixing lug boss (2-2), and auxiliary rod (3-3) clearance fit is connected to
In fixed sleeving slide opening (2-5-8).
2. a kind of multifunctional teaching ruler according to claim 1, it is characterised in that: the shell (1) further includes locking bullet
Spring screw rod (1-3) is provided with spring I on locking spring screw rod (1-3), and the left end of locking spring screw rod (1-3) is slidably connected at
In articulated slab (1-4), the right end clearance fit of locking spring screw rod (1-3) is connected in snap ring (1-7), and the setting of spring I is being locked
Between tight spring spiro rod (1-3) and articulated slab (1-4).
3. a kind of multifunctional teaching ruler according to claim 1, it is characterised in that: the inner end spring (3-7) is in pressure
Contracting state.
4. a kind of multifunctional teaching ruler according to claim 1, it is characterised in that: the length of the auxiliary rod (3-3) is small
In the sum of the height of fixing shell I (1-1) and fixing shell II (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032460.0U CN209505295U (en) | 2019-01-09 | 2019-01-09 | A kind of multifunctional teaching ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032460.0U CN209505295U (en) | 2019-01-09 | 2019-01-09 | A kind of multifunctional teaching ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209505295U true CN209505295U (en) | 2019-10-18 |
Family
ID=68200068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920032460.0U Expired - Fee Related CN209505295U (en) | 2019-01-09 | 2019-01-09 | A kind of multifunctional teaching ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209505295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091560A (en) * | 2021-03-25 | 2021-07-09 | 机械工业第九设计研究院有限公司 | Convenient measuring device for architectural design |
-
2019
- 2019-01-09 CN CN201920032460.0U patent/CN209505295U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091560A (en) * | 2021-03-25 | 2021-07-09 | 机械工业第九设计研究院有限公司 | Convenient measuring device for architectural design |
| CN113091560B (en) * | 2021-03-25 | 2023-07-28 | 机械工业第九设计研究院股份有限公司 | Convenient measuring device for architectural design |
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