CN103950328A - Auxiliary line drawing device - Google Patents

Auxiliary line drawing device Download PDF

Info

Publication number
CN103950328A
CN103950328A CN201410160669.7A CN201410160669A CN103950328A CN 103950328 A CN103950328 A CN 103950328A CN 201410160669 A CN201410160669 A CN 201410160669A CN 103950328 A CN103950328 A CN 103950328A
Authority
CN
China
Prior art keywords
cam
travelling gear
unit
pen
gear
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.)
Granted
Application number
CN201410160669.7A
Other languages
Chinese (zh)
Other versions
CN103950328B (en
Inventor
施小明
彭婉玲
钟硕
陈永芝
刘杰
郭浩
王磊
朱坚民
钱炜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Shanghai for Science and Technology
Original Assignee
University of Shanghai for Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by University of Shanghai for Science and Technology filed Critical University of Shanghai for Science and Technology
Priority to CN201410160669.7A priority Critical patent/CN103950328B/en
Publication of CN103950328A publication Critical patent/CN103950328A/en
Application granted granted Critical
Publication of CN103950328B publication Critical patent/CN103950328B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention provides an auxiliary line drawing device, which is used for drawing a dotted line and a chain line on a drawing surface by a drawing pen. The auxiliary line drawing device is characterized by comprising a drawing unit for drawing the dotted line and the chain line, a drive unit, a switching unit and an installation unit used for installing the drawing unit, a transmission unit, a power unit and the switching unit, wherein the drawing unit is provided with a first cam, a second cam and a pen clamp which is arranged above the first cam and the second cam; the pen clamp is provided with a connecting rod in contact with the first cam or the second cam; the first cam is provided with a cylindrical first body and a group or at least two groups of M-shaped protruded structures evenly distributed on the cylindrical surface of the first body; when the connecting rod is in contact with the cylindrical surface or a middle sunk part, the drawing pen and the drawing surface are in contact; when the connecting rod is in contact with the protrusions, the drawing pen and the drawing surface are separated; the switching unit is connected with the first cam and the second cam, and is used for switching the first cam and the second cam to be in contact with the connecting rod.

Description

Auxiliary line-plotting device
Technical field
The present invention relates to a kind of auxiliary line-plotting device, belong to mechanical field.
Background technology
Chain-dotted line and dotted line are indispensable line styles in mechanical drawing process, and owing in mechanical drawing field, the size of chain-dotted line and dotted line being had to certain requirement, but very inconvenient control dotted line and dashdotted blank and solid line length before when manual drawing.At present also do not have convenient and practical product to solve this setting-out problem.
Summary of the invention
For addressing the above problem, the invention provides a kind of auxiliary line-plotting device, adopt following technical scheme:
A kind of auxiliary line-plotting device, for utilizing drawing pen to draw dotted line and chain-dotted line on drawing surface, is characterized in that, comprising: draw dotted line and dashdotted setting-out unit; Be connected with setting-out unit for driving the driver element of setting-out unit setting-out; Being used for switching setting-out unit draws dotted line or draws dashdotted switch unit; And for the installation unit of setting-out unit, gear unit, power unit and switch unit is installed.Wherein, setting-out unit has the first cam, the second cam and for clamping drawing pen and adjusting the pen clipping device that the height of drawing pen makes its nib contact with drawing surface, pen clipping device is arranged at the top of the first cam and the second cam, and this pen clipping device has the connecting rod contacting with the first cam or the second cam.The first cam has the M shape raised structures on the face of cylinder that columniform the first noumenon and a group or at least two groups are uniformly distributed in this first noumenon, M shape raised structures comprises two projections and the intermediate recess part between these two projections, in the time that connecting rod contacts with the face of cylinder or intermediate recess part, drawing pen contacts with drawing surface, in the time that connecting rod contacts with projection, drawing pen and drawing surface are separated.The second cam has the second body and one group or at least two groups are uniformly distributed in the concaveconvex structure on this second body, when drawing pen is in the time that the sunk part of concaveconvex structure moves, drawing pen with contact with drawing surface, when drawing pen is in bossing when motion of concaveconvex structure, drawing pen be separated with drawing surface.Switch unit is connected with the second cam with the first cam, for switching the first cam and the second cam contacts with connecting rod.
In addition, auxiliary line-plotting device of the present invention, can also have such feature: wherein, the first cam has two central shafts about the first cam body M shape raised structures axisymmetricly.The second cam has four concaveconvex structures that are evenly distributed in the second body periphery.
In addition, auxiliary line-plotting device of the present invention, can also have such feature: wherein, gear unit has the first travelling gear and the second travelling gear, the first cam be connected with the rotating shaft of the second travelling gear with the first travelling gear respectively with the second cam.The first travelling gear and the second travelling gear are meshed with the 3rd travelling gear simultaneously, and the first travelling gear and the second travelling gear are not in contact with one another.
In addition, auxiliary line-plotting device of the present invention, can also there is such feature: wherein, power unit is power roller, power roller has two can be with the mutual friction of drawing surface phase to produce friction pulley and the power gear being positioned in the middle of two friction pulleys of power, and power gear is meshed with the 3rd travelling gear.
In addition, auxiliary line-plotting device of the present invention, can also have such feature: wherein, switch unit has pin and two rotating disks, and the two ends of the wheel shaft of two rotating disks and the first travelling gear, the second travelling gear and the 3rd travelling gear are rotationally connected.Pin is connected in the rotating disk another side corresponding with the wheel shaft connection of the 3rd travelling gear, and pin is for driving the wheel shaft rotation of rotating disk along the 3rd travelling gear.
In addition, auxiliary line-plotting device of the present invention, can also have such feature: wherein, power unit has micromachine, battery and switch, and micromachine is connected with gear unit.
In addition, auxiliary line-plotting device of the present invention, can also have such feature: wherein, between setting-out unit and installation unit, be connected by the elastic component that setting-out unit is applied to downward pulling force.
Invention effect and effect
According to auxiliary line-plotting device of the present invention, owing to having adopted surface to there is first cam and second cam with concaveconvex structure of M shape raised structures, and periodically jack-up and put down pen clipping device of the first cam and the second cam, make the fixing pencil of pen clipping device periodically contact with paper and to depart from, thereby draw out uniform chain-dotted line and dotted line on paper.In addition, because the present invention has switch unit, can, drawing chain-dotted line and drawing switching mutually between dotted line, therefore use convenient.The present invention is convenient and practical, simple in structure.
Brief description of the drawings
Fig. 1 is auxiliary line-plotting device of the present invention overall structure schematic diagram in an embodiment;
Fig. 2 is the auxiliary line-plotting device of the present invention internal structure schematic diagram in an embodiment;
Fig. 3 is the schematic diagram in an embodiment of penholder of the auxiliary line-plotting device of the present invention;
Fig. 4 is the structural representation of the rotating disk of the auxiliary line-plotting device of the present invention;
Fig. 5 is the auxiliary travelling gear of line-plotting device of the present invention and the annexation schematic diagram of cam;
Fig. 6 is the structure annexation schematic diagram except shell of the auxiliary line-plotting device of the present invention;
Fig. 7 is the structural representation of the lever of the auxiliary line-plotting device of the present invention;
Fig. 8 is the front view of the first cam of the auxiliary line-plotting device of the present invention;
Fig. 9 is the front view of the second cam of the auxiliary line-plotting device of the present invention;
The structural representation of the shell of the auxiliary line-plotting device of Figure 10 the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described:
Fig. 1 is auxiliary line-plotting device of the present invention overall structure schematic diagram in an embodiment, Fig. 2 is auxiliary line-plotting device of the present invention internal structure schematic diagram in an embodiment, as depicted in figs. 1 and 2, auxiliary line-plotting device 100 has shell 101, setting-out unit 102, friction pulley 106, the first cams 111, the second cam 110, rotating disk 105 levers 103 and penholder 112.
Fig. 3 is the schematic diagram in an embodiment of pen clipping device of the auxiliary line-plotting device of the present invention, Fig. 6 is the structure annexation schematic diagram except shell of the auxiliary line-plotting device of the present invention, as shown in Figure 3 and Figure 6, pen clipping device 102 has penholder 112 and connecting rod 109, penholder 112 front ends have the pen clip 120 of the side of stretching out shell 101, shell 101 is made up of transparent material, pen clip 120 has elasticity can clamp pencil 104, and when firmly, also can make pencil 104 move therein, thereby regulate the height of pencil 104 that nib is contacted with paper.The bottom of penholder 112 is connected with connecting rod 109, and narrow at the tip of connecting rod 109, can enter the intermediate recess 111b place of the M shape projection of the first cam 111, and intermediate recess 111b asks for an interview Fig. 8.
Fig. 5 is the auxiliary travelling gear of line-plotting device of the present invention and the annexation schematic diagram of cam, and as shown in Figure 5, the first cam 111 is coaxially connected with the first travelling gear 113, and the first cam 111 rotates with the rotation of the first travelling gear 113.The second cam 110 is connected with the second travelling gear 108, and the second cam 110 rotates with the rotation of the second travelling gear 108.On the face of cylinder of the cylindrical body of the first cam 111, be provided with two central shafts about cylindrical body M shape raised structures 111a axisymmetricly, as shown in Figure 8, the centre of M shape raised structures 111a has intermediate recess 111b.The degree of depth of intermediate recess 111b is equal with the face of cylinder of the cylindrical body of the first cam 111, makes in the time that the tip of connecting rod 109 enters middle concave 111b, and the tip of pencil 104 can contact with paper, thereby the point drawing in chain-dotted line comes.In the time needing the ratio of blank parts of line, point and some both sides in point of adjustment line, need to adopt the varying in size of projection degree of M shape raised structures 111a, the projection degree of M shape raised structures 111a is larger, and the blank parts of the some both sides in chain-dotted line is larger.
As shown in Figure 9, the second cam 110 has four equally distributed the second raised structures 110a, the part of raised structures projection is level and smooth circular arc, and the sunk part between two raised structures 110a is recessed level and smooth circular arc, and connecting rod 109 can be slided in its surface smoothness.In the time need to adjusting the ratio of solid line part in dotted line and blank parts, need to adjust the distance that the nib of pencil 104 contacts with paper, for example, in the time that pencil tip just contacts with paper, the mid point of the curve of the tip of connecting rod 109 between the minimum point of the sunk part between peak and two the raised structures 110a of the raised structures 110a of the second cam 110, the solid line part of drawn dotted line and the length ratio of blank parts are 1:1.In the time that pencil tip just contacts with paper, the mid point of the curve between the minimum point of the sunk part of the tip of connecting rod 109 between peak and two the raised structures 110a of the raised structures 110a of the second cam 110 is during near the position of the minimum point of sunk part, and the blank parts of drawn dotted line is less than solid line part.
As shown in Figure 6, the first cam 111 and the first travelling gear 113 share a gear shaft, the second cam 110 and the second travelling gear 108 share a gear shaft, the first travelling gear 113 and the second travelling gear 108 are all meshed with the 3rd travelling gear 115, and the first travelling gear 113 and the second travelling gear 108 are not in contact with one another.The 3rd travelling gear 115 is meshed with the power gear 107 in the middle of power roller 106, the friction pulley 114 of power roller 106 is coaxial with power gear 107, in the time that friction pulley 114 rotates with paper generation friction, can drive power gear 107 to rotate, power gear 107 further drives the 3rd travelling gear 115 to rotate, and then drives the first travelling gear 113 to rotate.
As shown in Figure 2 and Figure 4, two rotating disks 105 are connected to the gear shaft both sides of the first travelling gear 113, the second travelling gear 108, gear shaft can be at the first mounting groove 105b of wheel disc, in the second mounting groove 105c and the 3rd mounting groove 105d, rotate, the gear shaft of the 3rd travelling gear 115 is wherein installed in the 3rd mounting groove 105d.As shown in Figure 7, lever 103 has head rod 103a and the second connecting rod 103b, the second connecting rod 103b is installed on the outside of the 3rd mounting groove 105d, head rod 103a is connected in the outside of rotating disk 105, in the time pulling the handle of lever 103, can taking head rod 103a, as axle drives, whole rotating disk 105 rotates, because the axis of the 3rd travelling gear 115 is fixed on, translation does not occur on shell, therefore rotating disk can drive the first cam 111 and the second cam 110 to rotate taking the axis of the 3rd travelling gear 115 as axle.In the time that each gear is arranged in the position shown in Fig. 5, clockwise rotate lever 103, can make the two the second cams 110 contact with connecting rod 109.Drawing chain-dotted line and drawing the switching between dotted line thereby complete.On shell, be marked with dotted line and dashdotted mark, in the time of lever arrow mark, indicate corresponding setting-out type.
As shown in figure 10, have through hole 116, the first arcuate socket 118, the second arcuate sockets 119 and tie rod holes 117 on shell 101, two connecting rods 109 of penholder 112 enter the inside of shell 101 by two through holes 116.The bottom hollow out of shell, can expose friction pulley 114 and rubs with paper.
The running of auxiliary line-plotting device 100 is as follows:
First pencil is put into penholder, rotate lever to the dashdotted gear of picture, now the first cam 111 contacts with connecting rod 109, and the length of adjusting pencil is to making nib contact paper, get a ruler, make nib touch ruler, promotion shell is put down on paper and is moved, there is friction and then rotate in friction pulley 114 with paper, friction pulley 114 drives power gear 107 to rotate, power gear 107 drives the 3rd travelling gear 115 to rotate, and then the 3rd travelling gear 115 drive the first travelling gear 113 to rotate, because the first travelling gear 113 is coaxial with the first cam 111, therefore the first cam 111 starts to rotate, connecting rod 109 is because the effect of gravity is all the time along the surface sliding of the first cam 111, in the time that connecting rod 109 slides on the cylindrical body of the first cam 111, connecting rod 109 is in low level, now pencil 104 contacts with paper, draw solid line, in the time that connecting rod 109 touches M shape raised structures 111a place, because jut branch is by upwards jack-up of connecting rod 109, therefore connecting rod 109 drives penholder 102 to move upward, thereby make the nib of pencil 104 leave paper, form a dashdotted blank parts, in the time that connecting rod 109 touches middle concave 111b, connecting rod 109 highly declines, make the nib contact paper of pencil 104 draw the structure of the middle point of chain-dotted line, the first cam 111 is rotated further, connecting rod 109 moves upward along another projection of the M shape of M shape raised structures 111a, the nib of pencil 104 leaves paper again, form another dashdotted blank parts, contact and draw dashdotted solid line part with the cylindrical body of the first cam 111 along with the rotation pencil 104 of the first cam 111 leaves M shape raised structures 111a afterwards, until run into another M shape raised structures 111a and again repeat above-mentioned running and draw the pattern of dashdotted blank and point.
Rotate the gear of lever to picture dotted line, pencil is arranged on penholder, observe by transparent shell 101 simultaneously, adjust the exposed length of nib, make in the time that nib contacts with paper, the mid point of the curve of the tip of connecting rod 109 between the minimum point of the sunk part between peak and two the raised structures 110a of the raised structures 110a of the second cam 110, midpoint is provided with index line, and now the solid line part of drawn dotted line and the length ratio of blank parts are 1:1.There is the one side of roller to put on paper in device, roller is fully contacted with paper, tip of a pencil one end outwardly contacts with ruler, along ruler direction mobile device, now friction pulley drives the 3rd travelling gear 115 to rotate, the 3rd travelling gear 115 drives the second travelling gear 108 to rotate, the second travelling gear 108 drives the second cam 110 to rotate, when below the mid point of the curve between the minimum point of the sunk part between peak and two the raised structures 110a at the raised structures 110a of the second cam 110 of the tip of connecting rod 109 the position, pencil contacts with paper, thereby draw solid line, pencil is in the time of the bossing operation more than above-mentioned mid point of the tip of connecting rod 109 at once, connecting rod 109 is lifted, pencil leaves paper, form the blank parts of dotted line, and so forth, just can draw the dotted line that solid line part and blank parts are 1:1 on paper.
Embodiment effect and effect
According to auxiliary line-plotting device of the present invention, owing to having adopted surface to there is first cam and second cam with concaveconvex structure of M shape raised structures, and periodically jack-up and put down pen clipping device of the first cam and the second cam, make the fixing pencil of pen clipping device periodically contact with paper and to depart from, thereby draw out uniform chain-dotted line and dotted line on paper.In addition, because the present invention has switch unit, therefore can, drawing chain-dotted line and drawing switching mutually between dotted line, therefore use convenient.In addition, the present invention adopts friction pulley that power is provided, not power consumption, energy-conserving and environment-protective.
In order to make most advanced and sophisticated contact with paper tightr of pencil, can also between shell 101 and penholder 112, add elastic component, penholder 112 is imposed to elastic force to the aspect of shell, thereby make in the time that nib is pressed on paper, penholder is pressed on nib on paper by this elastic force.

Claims (7)

1. an auxiliary line-plotting device, for utilizing drawing pen to draw dotted line and chain-dotted line on drawing surface, is characterized in that, comprising:
Draw dotted line and dashdotted setting-out unit;
Be connected for driving the driver element of described setting-out unit setting-out with described setting-out unit;
Being used for switching described setting-out unit draws dotted line or draws dashdotted switch unit; And
For the installation unit of described setting-out unit, described gear unit, described power unit and described switch unit is installed,
Wherein, described setting-out unit has
The first cam, the second cam and for clamping described drawing pen and adjusting the pen clipping device that the height of described drawing pen makes its nib contact with described drawing surface, described pen clipping device is arranged at the top of described the first cam and described the second cam, this pen clipping device has the connecting rod contacting with described the first cam or the second cam
Described the first cam has the M shape raised structures on the face of cylinder that columniform the first noumenon and a group or at least two groups are uniformly distributed in this first noumenon, described M shape raised structures comprises two projections and the intermediate recess part between these two projections, in the time that described connecting rod contacts with the described face of cylinder or described intermediate recess part, described drawing pen contacts with described drawing surface, in the time that described connecting rod contacts with described projection, described drawing pen and described drawing surface are separated
Described the second cam has the second body and one group or at least two groups are uniformly distributed in the concaveconvex structure on this second body, when described drawing pen is in the time that the sunk part of described concaveconvex structure moves, described drawing pen with contact with described drawing surface, when described drawing pen is in the time that the bossing of described concaveconvex structure moves, described drawing pen be separated with described drawing surface
Described switch unit is connected with described the second cam with described the first cam, for switching described the first cam and described the second cam contacts with described connecting rod.
2. auxiliary line-plotting device according to claim 1, is characterized in that:
Wherein, described the first cam has two central shafts about described the first cam body M shape raised structures axisymmetricly,
Described the second cam has four described concaveconvex structures that are evenly distributed in described the second body periphery.
3. auxiliary line-plotting device according to claim 1, is characterized in that:
Wherein, described gear unit has the first travelling gear and the second travelling gear, described the first cam be connected with the rotating shaft of described the second travelling gear with described the first travelling gear respectively with described the second cam,
Described the first travelling gear and described the second travelling gear are meshed with described the 3rd travelling gear simultaneously, and described the first travelling gear and described the second travelling gear are not in contact with one another.
4. auxiliary line-plotting device according to claim 3, is characterized in that:
Wherein, described power unit is power roller, described power roller has two can be with the mutual friction of drawing surface phase to produce friction pulley and the power gear being positioned in the middle of described two friction pulleys of power, and described power gear is meshed with described the 3rd travelling gear.
5. auxiliary line-plotting device according to claim 1, is characterized in that:
Wherein, described switch unit has pin and two rotating disks, and the two ends of the wheel shaft of described two rotating disks and described the first travelling gear, the second travelling gear and the 3rd travelling gear are rotationally connected,
Described pin is connected in the described rotating disk another side corresponding with the wheel shaft connection of described the 3rd travelling gear, and described pin is for driving the wheel shaft rotation of described rotating disk along described the 3rd travelling gear.
6. auxiliary line-plotting device according to claim 1, is characterized in that:
Wherein, described power unit has micromachine, battery and switch, and described micromachine is connected with described gear unit.
7. auxiliary line-plotting device according to claim 1, is characterized in that:
Wherein, between described setting-out unit and described installation unit, be connected by the elastic component that described setting-out unit is applied to downward pulling force.
CN201410160669.7A 2014-04-21 2014-04-21 Auxiliary line-plotting device Expired - Fee Related CN103950328B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410160669.7A CN103950328B (en) 2014-04-21 2014-04-21 Auxiliary line-plotting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410160669.7A CN103950328B (en) 2014-04-21 2014-04-21 Auxiliary line-plotting device

Publications (2)

Publication Number Publication Date
CN103950328A true CN103950328A (en) 2014-07-30
CN103950328B CN103950328B (en) 2015-10-28

Family

ID=51327737

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410160669.7A Expired - Fee Related CN103950328B (en) 2014-04-21 2014-04-21 Auxiliary line-plotting device

Country Status (1)

Country Link
CN (1) CN103950328B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104442123A (en) * 2014-11-17 2015-03-25 苏州市职业大学 Multifunctional double-wheel line drawing device
CN106945437A (en) * 2017-04-14 2017-07-14 巢湖学院 A kind of multiple types of line-drawing drawing ruler
CN109366445A (en) * 2018-10-30 2019-02-22 中国冶集团有限公司 The setting out method of electricity driving displacement scriber and pipe communicated wire
CN109823094A (en) * 2019-02-26 2019-05-31 宝鸡文理学院 A kind of manual English teaching is drawn with four line lattice and takes device
CN113160354A (en) * 2021-04-02 2021-07-23 中国铁路设计集团有限公司 Dot-dash line drawing method based on DOL formula

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4563819A (en) * 1984-10-11 1986-01-14 Ching Tien Fu Ellipsograph capable of drawing dotted line
CN87200666U (en) * 1987-01-21 1988-03-09 李峰 Wheel-type drawing-pen
CN2042794U (en) * 1989-01-26 1989-08-16 王子贵 Picture printing pen
US5224269A (en) * 1992-09-17 1993-07-06 Commonwealth Of Puerto Rico Instrument for drawing dashed lines or the like
CN2177594Y (en) * 1994-01-14 1994-09-21 张乃成 Pen for writing dotted line or line of dashes
CN2510309Y (en) * 2001-11-23 2002-09-11 福建省厦门第六中学 Multipurpose ruler for geometry teaching
CN203832100U (en) * 2014-04-21 2014-09-17 上海理工大学 Auxiliary line drawing device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4563819A (en) * 1984-10-11 1986-01-14 Ching Tien Fu Ellipsograph capable of drawing dotted line
CN87200666U (en) * 1987-01-21 1988-03-09 李峰 Wheel-type drawing-pen
CN2042794U (en) * 1989-01-26 1989-08-16 王子贵 Picture printing pen
US5224269A (en) * 1992-09-17 1993-07-06 Commonwealth Of Puerto Rico Instrument for drawing dashed lines or the like
CN2177594Y (en) * 1994-01-14 1994-09-21 张乃成 Pen for writing dotted line or line of dashes
CN2510309Y (en) * 2001-11-23 2002-09-11 福建省厦门第六中学 Multipurpose ruler for geometry teaching
CN203832100U (en) * 2014-04-21 2014-09-17 上海理工大学 Auxiliary line drawing device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104442123A (en) * 2014-11-17 2015-03-25 苏州市职业大学 Multifunctional double-wheel line drawing device
CN106945437A (en) * 2017-04-14 2017-07-14 巢湖学院 A kind of multiple types of line-drawing drawing ruler
CN106945437B (en) * 2017-04-14 2018-08-31 巢湖学院 A kind of multiple types of line-drawing drawing ruler
CN109366445A (en) * 2018-10-30 2019-02-22 中国冶集团有限公司 The setting out method of electricity driving displacement scriber and pipe communicated wire
CN109366445B (en) * 2018-10-30 2022-01-25 中国一冶集团有限公司 Electric displacement scriber and lofting method of pipeline intersecting line
CN109823094A (en) * 2019-02-26 2019-05-31 宝鸡文理学院 A kind of manual English teaching is drawn with four line lattice and takes device
CN113160354A (en) * 2021-04-02 2021-07-23 中国铁路设计集团有限公司 Dot-dash line drawing method based on DOL formula

Also Published As

Publication number Publication date
CN103950328B (en) 2015-10-28

Similar Documents

Publication Publication Date Title
CN103950328B (en) Auxiliary line-plotting device
CN203832100U (en) Auxiliary line drawing device
CN107953700B (en) Pressing writing stationery
CN204462332U (en) Switch durable test device
CN104329425A (en) Straight reciprocating motion mechanism
CN209176381U (en) Press type writing pen
CN103049112A (en) Mouse wheel structure
CN113157118B (en) Stable anti-skid mouse
CN205194966U (en) Release lever that digital card card held in palm
CN103211378A (en) Improved structure of lipstick tube middle bundle
CN202436407U (en) Structurally modified lipstick tube shell
CN201520136U (en) Novel blackboard
CN203499357U (en) Automatic resetting mechanism
CN208173059U (en) A kind of phonetic simply learns teaching aid
CN207072119U (en) A kind of full-automatic adjustable embossing device
CN203995328U (en) A kind of difunctional formula cam locus plotter
CN110435334A (en) It is a kind of through discipline mind map tool
CN204010870U (en) A kind of straight tune ball potentiometer
CN203580428U (en) Novel blackboard
CN203172227U (en) Simple pencil sleeve
CN108576995A (en) A kind of garment material cutting line-plotting device
CN213451557U (en) Cam structure for driver
CN202683416U (en) Glue spreading device
CN213423796U (en) Intelligent electric actuator gear knob
CN202491592U (en) Rolling backboard with blackboard erasers

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151028

Termination date: 20180421

CF01 Termination of patent right due to non-payment of annual fee