CN213167518U - Line drawing device for teaching - Google Patents
Line drawing device for teaching Download PDFInfo
- Publication number
- CN213167518U CN213167518U CN202021338756.4U CN202021338756U CN213167518U CN 213167518 U CN213167518 U CN 213167518U CN 202021338756 U CN202021338756 U CN 202021338756U CN 213167518 U CN213167518 U CN 213167518U
- Authority
- CN
- China
- Prior art keywords
- ruler
- rod
- teaching
- groove
- fixedly connected
- 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
- 238000009434 installation Methods 0.000 claims description 13
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a setting-out device is used in teaching. The line drawing device for teaching comprises a ruler; the groove is formed in the ruler; an armrest disposed within the recess; the two circular shafts are fixedly arranged on the outer walls of the two sides of the handrail respectively; the two rotating grooves are respectively formed in the inner walls of the two sides of the groove, and the ends, away from each other, of the two circular shafts extend into the corresponding rotating grooves and are rotatably connected with the inner walls of the corresponding rotating grooves; the two torsion springs are movably sleeved on the two circular shafts respectively, one ends of the two torsion springs are fixedly connected with the inner walls of the two rotating grooves respectively, and the other ends of the two torsion springs are fixedly connected with the handrail respectively. The utility model provides a setting-out device for teaching has easy operation for the setting-out is more steady more accurate, saves the advantage of certain setting-out time.
Description
Technical Field
The utility model relates to a teaching aid technical field especially relates to a setting-out device is used in teaching.
Background
Teacher often can draw a line on the blackboard in the classroom to make things convenient for the student to understand, because manual setting-out is inaccurate, then need use the ruler to assist the setting-out, just so can obtain more accurate straight line.
However, among the prior art, the ruler is the platykurtic mostly, and when the mr was drawn a line on the blackboard, need carry out the setting-out with the finger according to the straight chi of pressing, but the ruler is hardly held between fingers, and inaccurate and very troublesome when leading to the setting-out, and traditional ruler all is fixed in addition, only certain length, when the mr need draw longer straight line, then need one section draw with the ruler, lead to extravagant certain time, and the straight line of drawing is not accurate.
Therefore, there is a need to provide a new line drawing device for teaching to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a setting-out device is used in teaching with easy operation for the setting-out is more steady more accurate, saves certain setting-out time.
In order to solve the technical problem, the utility model provides a setting-out device for teaching includes: a straightedge; the groove is formed in the ruler; an armrest disposed within the recess; the two circular shafts are fixedly arranged on the outer walls of the two sides of the handrail respectively; the two rotating grooves are respectively formed in the inner walls of the two sides of the groove, and the ends, away from each other, of the two circular shafts extend into the corresponding rotating grooves and are rotatably connected with the inner walls of the corresponding rotating grooves; the two torsion springs are movably sleeved on the two circular shafts respectively, one ends of the two torsion springs are fixedly connected with the inner walls of the two rotating grooves respectively, and the other ends of the two torsion springs are fixedly connected with the handrail respectively; the first clamping block is fixedly installed at the bottom of the armrest and provided with a first arc surface; the push rod is slidably mounted at the bottom of the ruler, the top of the push rod extends into the groove, and the bottom of the push rod extends to the position below the ruler and is fixedly provided with a button; the placing groove is formed in the ruler; the two sliding rods are fixedly arranged on the outer walls of the two sides of the push rod; the two first springs are arranged in the placing groove, one ends of the two first springs are fixedly connected with the inner wall of the placing groove, and the other ends of the two first springs are fixedly connected with the tops of the two sliding rods respectively; the second clamping block is fixedly installed at the top end of the push rod and provided with a second arc surface, and the first arc surface is matched with the second arc surface.
Preferably, a plurality of arc grooves are arranged on the inner wall of the bottom of the handrail.
Preferably, the bottom of ruler has seted up the opening, the push rod run through the opening and with the inner wall sliding connection of opening.
Preferably, the inner walls of the two sides of the placing groove are respectively provided with a sliding groove, and one ends of the two sliding rods, which are far away from each other, respectively extend into the two sliding grooves and are in sliding connection with the inner walls of the two sliding grooves.
Preferably, an installation block is fixedly installed on the outer wall of one side of the ruler, a fixed rod is slidably installed on the installation block, two ends of the fixed rod respectively extend to the outer side of the installation block, a pull ring is fixedly installed at one end of the fixed rod, a second spring is movably sleeved on the fixed rod, one end of the second spring is fixedly connected with the installation block, the other end of the second spring is fixedly connected with the pull ring, an auxiliary ruler is rotatably installed on the ruler, a first clamping groove is formed in the outer wall of one side of the auxiliary ruler and is matched with the fixed rod, a rotating rod is rotatably installed at the bottom of the ruler, a connecting rod is fixedly installed at the bottom end of the rotating rod, a clamping rod is slidably installed on the connecting rod, a handle is fixedly installed at the bottom of the clamping rod, and a third spring is movably sleeved on the clamping rod, one end of the third spring is fixedly connected with the bottom of the connecting rod, and the other end of the third spring is fixedly connected with the handle.
Preferably, a second clamping groove is formed in the outer wall of one side of the auxiliary ruler, and the second clamping groove is matched with the clamping rod.
Preferably, the fixed orifices have been seted up to the bottom of ruler, the top of dwang extends to in the fixed orifices, fixed cover is equipped with the bearing on the dwang, the outer lane of bearing with the inner wall fixed connection of fixed orifices.
Compared with the prior art, the utility model provides a setting-out device for teaching has following beneficial effect:
the utility model provides a setting-out device is used in teaching, only need upwards press the button, just can bounce the handrail under two torsion spring's effect through first fixture block and the second fixture block that set up, hold the handrail with the hand, make more steady more accurate during the setting-out, press the handrail and just can accomodate the handrail, thereby realize not occupation space and conveniently carry, the dead lever through setting up can be accomodate vice chi, make its volume diminish, conveniently carry, the kelly that sets up can be fixed the vice chi after the rotation, it is more steady and more accurate when making its setting-out, save certain setting-out time.
Drawings
Fig. 1 is a schematic front view of a first embodiment of a line drawing device for teaching according to the present invention;
FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;
FIG. 3 is an enlarged schematic view of a portion B shown in FIG. 2;
fig. 4 is a schematic side view of the first latch and the second latch of fig. 1;
fig. 5 is a schematic front view of a second embodiment of the line drawing device for teaching according to the present invention;
fig. 6 is a schematic view of an expanded structure of a second embodiment of the line drawing device for teaching according to the present invention;
fig. 7 is an enlarged structural view of a portion C shown in fig. 6.
Reference numbers in the figures: 1. a straightedge; 2. a groove; 3. a handrail; 4. a circular shaft; 5. a rotating groove; 6. A torsion spring; 7. a first clamping block; 8. a push rod; 9. a placement groove; 10. a slide bar; 11. a first spring; 12. a second fixture block; 13. mounting blocks; 14. fixing the rod; 15. a second spring; 16. A secondary ruler; 17. rotating the rod; 18. a connecting rod; 19. a clamping rod; 20. and a third spring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
The first embodiment:
please refer to fig. 1-4. The setting-out device for teaching includes: a straightedge 1; the groove 2 is formed in the ruler 1; the handrail 3 is arranged in the groove 2; the two circular shafts 4 are respectively and fixedly arranged on the outer walls of the two sides of the handrail 3; the two rotating grooves 5 are respectively formed in the inner walls of the two sides of the groove 2, and the ends, away from each other, of the two circular shafts 4 extend into the corresponding rotating grooves 5 and are rotatably connected with the inner walls of the corresponding rotating grooves 5; two torsion springs 6, wherein the two torsion springs 6 are respectively movably sleeved on the two circular shafts 4, one ends of the two torsion springs 6 are respectively fixedly connected with the inner walls of the two rotating grooves 5, and the other ends of the two torsion springs 6 are respectively fixedly connected with the handrail 3; the first fixture block 7 is fixedly installed at the bottom of the armrest 3, and the first fixture block 7 is provided with a first arc surface; the push rod 8 is slidably mounted at the bottom of the ruler 1, the top of the push rod 8 extends into the groove 2, and the bottom end of the push rod 8 extends to the position below the ruler 1 and is fixedly provided with a button; the placing groove 9 is formed in the ruler 1, and the placing groove 9 is formed in the ruler; the two sliding rods 10 are fixedly arranged on the outer walls of the two sides of the push rod 8; two first springs 11, wherein the two first springs 11 are arranged in the placing groove 9, one ends of the two first springs 11 are fixedly connected with the inner wall of the placing groove 9, and the other ends of the two first springs 11 are respectively fixedly connected with the tops of the two sliding rods 10; and the second fixture block 12 is fixedly arranged at the top end of the push rod 8, the second fixture block 12 is provided with a second arc surface, and the first arc surface is matched with the second arc surface.
A plurality of arc grooves are arranged on the inner wall of the bottom of the handrail 3.
The opening has been seted up to the bottom of ruler 1, push rod 8 runs through the opening and with the inner wall sliding connection of opening.
The inner walls of the two sides of the placing groove 9 are respectively provided with a sliding groove, and one ends of the two sliding rods 10, which are far away from each other, respectively extend into the two sliding grooves and are in sliding connection with the inner walls of the two sliding grooves.
In this embodiment:
when the ruler is used, the button is pressed upwards, the button drives the push rod 8 to move upwards, the push rod 8 drives the two slide rods 10 to move upwards, the two slide rods 10 compress the two first springs 11, the two first springs 11 can store certain elastic energy potential energy, so that the push rod 8 drives the second clamping block 12 to move, the first clamping block 7 loses the limitation of the second clamping block 12, the two circular shafts 4 rotate in the two rotating grooves 5 under the action of the two torsion springs 6, so as to drive the handrail 3 to rotate, then the ruler 1 can be abutted against a blackboard by holding the handrail 3 with hands, so that the drawing is more stable and accurate, when the handrail 3 needs to be stored, only the handrail 3 needs to be pressed downwards, the handrail 3 drives the two circular shafts 4 to rotate, so as to drive the two torsion springs 6 to be compressed, the handrail 3 drives the first clamping block 7 to move downwards, the cambered surface on the first clamping block 7 is tangent to the cambered surface on the second clamping block, the first clamping block 7 is clamped on the second clamping block 12, and the handrail 3 is fixed, so that the ruler 1 is convenient to carry and does not occupy space.
Compared with the prior art, the utility model provides a setting-out device for teaching has following beneficial effect:
the utility model provides a setting-out device is used in teaching only needs upwards to press the button, just can bounce handrail 3 under two torque spring 6's effect through first fixture block 7 and the second fixture block 12 that set up, holds handrail 3 with the hand for it is more steady more accurate during the setting-out, press handrail 3 and just can accomodate handrail 3, thereby realize not occupation space and conveniently carry.
Second embodiment:
based on the line drawing device for teaching that the first embodiment of this application provided, the second embodiment of this application provides another kind of line drawing device for teaching. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments.
Please refer to fig. 5-7 in combination, the line drawing device for teaching further comprises an installation block 13, the installation block 13 is fixedly installed on the outer wall of one side of the ruler 1, a fixed rod 14 is installed on the installation block 13 in a sliding manner, two ends of the fixed rod 14 respectively extend to the outer side of the installation block 13, a pull ring is fixedly installed at one end of the fixed rod 14, a second spring 15 is movably sleeved on the fixed rod 14, one end of the second spring 15 is fixedly connected with the installation block 13, the other end of the second spring 15 is fixedly connected with the pull ring, an auxiliary ruler 16 is rotatably installed on the ruler 1, a first clamping groove is formed in the outer wall of one side of the auxiliary ruler 16, the first clamping groove is matched with the fixed rod 14, a rotating rod 17 is rotatably installed at the bottom of the ruler 1, a connecting rod 18 is fixedly installed at the bottom end of the rotating rod, slidable mounting has kelly 19 on connecting rod 18, the bottom fixed mounting of kelly 19 has the handle, the movable sleeve is equipped with third spring 20 on the kelly 19, third spring 20's one end with the bottom fixed connection of connecting rod 18, third spring 20's the other end with handle fixed connection.
A second clamping groove is formed in the outer wall of one side of the auxiliary ruler 16, and the second clamping groove is matched with the clamping rod 19.
The fixed orifices has been seted up to the bottom of ruler 1, the top of dwang 17 extends to in the fixed orifices, fixed cover is equipped with the bearing on the dwang 17, the outer lane of bearing with the inner wall fixed connection of fixed orifices.
In this embodiment:
when the length of ruler 1 needs to be prolonged, pull ring is pulled by hand, pull ring drives fixed rod 14 to move, second spring 15 is certain elastic potential energy of tensile state storage this moment, make fixed rod 14 break away from first draw-in groove, thereby vice chi 16 loses the injecing of fixed rod 14, just vice chi 16 can be rotated, make vice chi 16 rotate to 180 degrees, then rotate dwang 17, dwang 17 rotates in the fixed orifices, dwang 17 drives connecting rod 18 and rotates, connecting rod 18 drives the motion of kelly 19, rotate to the below of second draw-in groove until kelly 19, then pulling handle, handle drive third spring 20 by tensile certain elastic potential energy of storage, make in the second draw-in groove is gone into to the top card of kelly 19, vice chi 16 then is fixed, realize easy operation, save certain setting-out time.
When the vice chi 16 is accomodate to needs, the downward pulling handle, the handle drives the 19 motion of kelly, and kelly 19 drives third spring 20 and is stretched for the top of kelly 19 breaks away from the second draw-in groove, thereby vice chi 16 breaks away from the injecing of second draw-in groove, then rotates vice chi 16 to 180 degrees, makes in the dead lever 14 card goes into first draw-in groove, accomplishes accomodating of vice chi 16, conveniently carries, and easy operation saves certain setting-out time.
Compared with the prior art, the utility model provides a setting-out device for teaching has following beneficial effect:
the utility model provides a setting-out device is used in teaching can accomodate vice chi 16 through the dead lever 14 that sets up, makes its volume diminish, conveniently carries, and the kelly 19 that sets up can fix the vice chi 16 after the rotation, and is more steady and more accurate when making its setting-out, saves certain setting-out time.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a setting-out device is used in teaching which characterized in that includes:
a straightedge;
the groove is formed in the ruler;
an armrest disposed within the recess;
the two circular shafts are fixedly arranged on the outer walls of the two sides of the handrail respectively;
the two rotating grooves are respectively formed in the inner walls of the two sides of the groove, and the ends, away from each other, of the two circular shafts extend into the corresponding rotating grooves and are rotatably connected with the inner walls of the corresponding rotating grooves;
the two torsion springs are movably sleeved on the two circular shafts respectively, one ends of the two torsion springs are fixedly connected with the inner walls of the two rotating grooves respectively, and the other ends of the two torsion springs are fixedly connected with the handrail respectively;
the first clamping block is fixedly installed at the bottom of the armrest and provided with a first arc surface;
the push rod is slidably mounted at the bottom of the ruler, the top of the push rod extends into the groove, and the bottom of the push rod extends to the position below the ruler and is fixedly provided with a button;
the placing groove is formed in the ruler;
the two sliding rods are fixedly arranged on the outer walls of the two sides of the push rod;
the two first springs are arranged in the placing groove, one ends of the two first springs are fixedly connected with the inner wall of the placing groove, and the other ends of the two first springs are fixedly connected with the tops of the two sliding rods respectively;
the second clamping block is fixedly installed at the top end of the push rod and provided with a second arc surface, and the first arc surface is matched with the second arc surface.
2. The apparatus as claimed in claim 1, wherein the inner wall of the bottom of the handrail is provided with a plurality of arc grooves.
3. The line drawing device for teaching of claim 1, wherein the bottom of the ruler is provided with an opening, and the push rod penetrates through the opening and is in sliding connection with the inner wall of the opening.
4. The line drawing device for teaching as claimed in claim 1, wherein sliding grooves are formed in inner walls of two sides of the placing groove respectively, and ends, far away from each other, of the two sliding rods extend into the two sliding grooves respectively and are connected with the inner walls of the two sliding grooves in a sliding manner.
5. The line drawing device for teaching as claimed in claim 1, wherein an installation block is fixedly installed on an outer wall of one side of the ruler, a fixed rod is slidably installed on the installation block, two ends of the fixed rod respectively extend to the outer side of the installation block, a pull ring is fixedly installed at one end of the fixed rod, a second spring is movably sleeved on the fixed rod, one end of the second spring is fixedly connected with the installation block, the other end of the second spring is fixedly connected with the pull ring, an auxiliary ruler is rotatably installed on the ruler, a first clamping groove is formed in an outer wall of one side of the auxiliary ruler, the first clamping groove is matched with the fixed rod, a rotating rod is rotatably installed at the bottom of the ruler, a connecting rod is fixedly installed at the bottom end of the rotating rod, a clamping rod is slidably installed on the connecting rod, and a handle is fixedly installed at the bottom of the clamping rod, the last movable sleeve of kelly is equipped with the third spring, the one end of third spring with the bottom fixed connection of connecting rod, the other end of third spring with handle fixed connection.
6. The line drawing device for teaching as claimed in claim 5, wherein a second clamping groove is formed in the outer wall of one side of the auxiliary ruler, and the second clamping groove is matched with the clamping rod.
7. The line drawing device for teaching as claimed in claim 5, wherein a fixing hole is formed in the bottom of the ruler, the top end of the rotating rod extends into the fixing hole, a bearing is fixedly sleeved on the rotating rod, and the outer ring of the bearing is fixedly connected with the inner wall of the fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021338756.4U CN213167518U (en) | 2020-07-09 | 2020-07-09 | Line drawing device for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021338756.4U CN213167518U (en) | 2020-07-09 | 2020-07-09 | Line drawing device for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213167518U true CN213167518U (en) | 2021-05-11 |
Family
ID=75793186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021338756.4U Expired - Fee Related CN213167518U (en) | 2020-07-09 | 2020-07-09 | Line drawing device for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213167518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113459704A (en) * | 2021-08-17 | 2021-10-01 | 上海梵铭文化传播有限公司 | Drawing device for adjustable planar design |
-
2020
- 2020-07-09 CN CN202021338756.4U patent/CN213167518U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113459704A (en) * | 2021-08-17 | 2021-10-01 | 上海梵铭文化传播有限公司 | Drawing device for adjustable planar design |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213167518U (en) | Line drawing device for teaching | |
| CN208954426U (en) | A kind of economical management teaching displaying device | |
| CN112628565A (en) | High-interactivity teaching board for Chinese teaching | |
| CN210846476U (en) | Chemistry experiment test tube clamp that facilitates use | |
| CN213593992U (en) | Multipurpose die for mathematical drawing | |
| CN209433643U (en) | A kind of Financial organization economic curve board group part | |
| CN214529531U (en) | High-position roller device for high-stability computer flat knitting machine | |
| CN209257728U (en) | A kind of English teaching aid | |
| CN214279287U (en) | Think political affairs with teaching speech board | |
| CN213383647U (en) | Circle drawing device based on blackboard for mathematical education | |
| CN208452582U (en) | A kind of continuous ink feeding clothes plotter | |
| CN113450628A (en) | Marxist philosophy teaching aid | |
| CN213261767U (en) | Drawing teaching aid for teaching | |
| CN208118802U (en) | The oval mapping arrangements of high school mathematics student | |
| CN112863253A (en) | English teaching aid beneficial to improving English teaching efficiency | |
| CN216364338U (en) | Teaching board for Chinese teaching of middle-position office | |
| CN214492303U (en) | Portable colleges and universities are teaching aid for english teaching | |
| CN214897090U (en) | Multifunctional teaching aid | |
| CN216268396U (en) | Supplementary marking device of english teaching | |
| CN209859418U (en) | Elastic deformation demonstration device | |
| CN210454252U (en) | Line drawing tool for teaching | |
| CN219115119U (en) | Staff scriber for music teaching | |
| CN210722371U (en) | Display device is used in english and american literature research | |
| CN219587984U (en) | Thrust pull rod torsion rubber core fixing structure | |
| CN214873878U (en) | Be applied to plotter that mathematical education used |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |