CN108927784A - The positioning line-drawing instrument that auxiliary pincers worker handles sheet metal surface - Google Patents

The positioning line-drawing instrument that auxiliary pincers worker handles sheet metal surface Download PDF

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Publication number
CN108927784A
CN108927784A CN201810884906.2A CN201810884906A CN108927784A CN 108927784 A CN108927784 A CN 108927784A CN 201810884906 A CN201810884906 A CN 201810884906A CN 108927784 A CN108927784 A CN 108927784A
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CN
China
Prior art keywords
arc
guide rail
shaped guide
sliding block
main scale
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.)
Withdrawn
Application number
CN201810884906.2A
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Chinese (zh)
Inventor
朱文祥
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.)
Liuan Lida Productivity Promotion Center Co Ltd
Original Assignee
Liuan Lida Productivity Promotion Center Co Ltd
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 Liuan Lida Productivity Promotion Center Co Ltd filed Critical Liuan Lida Productivity Promotion Center Co Ltd
Priority to CN201810884906.2A priority Critical patent/CN108927784A/en
Publication of CN108927784A publication Critical patent/CN108927784A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H7/00Marking-out or setting-out work
    • B25H7/04Devices, e.g. scribers, for marking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H7/00Marking-out or setting-out work
    • B25H7/04Devices, e.g. scribers, for marking
    • B25H7/045Devices, e.g. scribers, for marking characterised by constructional details of the marking elements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Drawing Aids And Blackboards (AREA)

Abstract

The invention discloses the positioning line-drawing instruments that auxiliary pincers worker handles sheet metal surface, it includes that main scale and main scale match and fix the additional vertical ruler of main scale, the first guiding mechanism that guide direction extends along direction arrangement is provided on first arc-shaped guide rail, the movement parts to match with the first guiding mechanism are provided on second arc-shaped guide rail, the first guiding mechanism is oriented to arc length of the stroke less than the first arc-shaped guide rail;Spaced apart three auxiliary chutes along its length are provided on additional vertical ruler, auxiliary chute matches with guide rail, the threaded hole for being additionally provided on additional vertical ruler above auxiliary chute and being connected with auxiliary chute, the second tightening knob and threaded hole are threadedly engaged and can extend in auxiliary chute;Main scale upper surface is provided with the main scale face being disposed to extend along its length, and the side end face of main scale is additionally provided with the auxiliary scale face being disposed to extend along its length.

Description

The positioning line-drawing instrument that auxiliary pincers worker handles sheet metal surface
The present invention be the applying date be on December 22nd, 2016, application No. is: 2016112005537, entitled " angle The divisional application of the patent of invention of line-drawing instrument ".
Technical field
The present invention relates to a kind of straight line line-plotting devices of machining, the in particular to mechanical device of angle setting-out.
Background technique
Pincers worker is an important work post in machining, has a critically important status in mechanical skilled worker field, and work As soon as part setting-out is then the important step of pincers worker processing part, so line tool is at an indispensable tool, commonly Line tool is exactly height gauge, bevel protractor, ruler, and wherein common height ruler can only draw horizontal linear, cannot directly draw vertical side To straight line, angle straight line more can not be directly drawn;And bevel protractor is then mainly used for measurement angle and draws the angle of some shorter edges Line and complicated for operation while there is also benchmark to look for inaccurate problem, brings various inconvenience to operator, makes the setting-out of worker Working efficiency is very low.
And the vertical line of common line-drawing instrument must will could draw lines after 90 degree of workpiece turning, when workpiece both sides out of plumb It is difficult to ensure that precision.
Summary of the invention
Based on the deficiencies of the prior art, the present invention provides achievable horizontal setting-out mode, vertically draw lines mode, random angle The line-drawing instrument that degree setting-out mode combines while improving setting-out precision, also solves the slow problem of setting-out efficiency.
To realize the above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.
The positioning line-drawing instrument that auxiliary pincers worker handles sheet metal surface comprising main scale matches and consolidated with main scale Determine the additional vertical ruler of main scale, the sliding block to match with main scale, the first arc-shaped guide rail being connected with sliding block, lead with the first arc The second arc-shaped guide rail that rail matches, the deflection ruler being connected with the second arc-shaped guide rail, the pressure-sensitive to match with deflection ruler are drawn Needle;
It is provided with the guide rail being disposed to extend along its length on main scale, the lug boss to match with guide rail is provided on sliding block, Sliding block is equipped with first tightening knob fixed for sliding block and main scale;
First arc-shaped guide rail is arranged in arc-shaped and its guide direction is identical as its circular arc extending direction, and the second arc-shaped guide rail is in Arc-shaped is arranged and its guide direction is identical as its circular arc extending direction, and the second arc-shaped guide rail matches with the first arc-shaped guide rail And it is moved along the guide direction of the first arc-shaped guide rail, and deflection ruler includes circular arc sliding block, angle indicator, and circular arc sliding block is in circular arc Shape arrangement, circular arc sliding block match with the second arc-shaped guide rail and can move along the guide direction of the second arc-shaped guide rail, the first arc Shape guide rail, the second arc-shaped guide rail, the equal arranged concentric of circular arc sliding block;It is also equipped between first arc-shaped guide rail and the second arc-shaped guide rail Third tightening knob is equipped with the 4th tightening knob, the bending of the first arc-shaped guide rail between circular arc sliding block and the second arc-shaped guide rail Direction is provided with angle scale, and angle indicator is fixed on the center location of the point of deflection ruler and angle indicator always with the The center location of one arc-shaped guide rail is overlapped;
The first guiding mechanism that guide direction extends along direction arrangement is provided on first arc-shaped guide rail, on the second arc-shaped guide rail The movement parts to match with the first guiding mechanism are provided with, the first guiding mechanism is oriented to arc of the stroke less than the first arc-shaped guide rail It is long;It is provided with the second guiding mechanism that guide direction extends along direction arrangement on second arc-shaped guide rail, is arranged on circular arc sliding block There are the movement parts to match with the second guiding mechanism, the second arc-shaped guide rail is oriented to arc length of the stroke less than the second arc-shaped guide rail;
Be provided with third tightening knob for fixing between first arc-shaped guide rail and the second arc-shaped guide rail, the second arc-shaped guide rail with The 4th tightening knob for fixing is provided between circular arc sliding block;
Pressure-sensitive scriber is slidably connected on deflection ruler, deflection ruler is internally provided with guiding cavity, and it is upper for deflecting the upper surface of ruler Guide card, deflect ruler on relative to side connect with circular arc sliding block be side guiding plate, be provided with and lead between upper guide card and side guiding plate The notch being connected to cavity;
Pressure-sensitive scriber comprising pressing plate, connecting plate, blade, pressing plate are arranged in parallel above upper guide card, and connecting plate and pressing plate hang down Side guiding plate is directly arranged and is parallel to, the bottom of connecting plate is equipped with the blade perpendicular to pressing plate, and the bottom of pressing plate is additionally provided with Slide on guiding cavity suspension block, suspension block by pass through notch interconnecting piece be connected with connecting plate, suspension block with connect The side slot to match with side guiding plate is separated between plate, also installation is between suspension block bottom and guiding cavity floor in suspension block Between elastic steel ball;
Spaced apart three auxiliary chutes along its length, auxiliary chute and guide rail phase are provided on additional vertical ruler Match, the threaded hole for being additionally provided on additional vertical ruler above auxiliary chute and being connected with auxiliary chute, the second fastening Knob and threaded hole are threadedly engaged and can extend in auxiliary chute;
The tabletting above main scale upper surface and being located at below the first tightening knob, the first tightening knob are installed in sliding block It is connected through a screw thread between sliding block;
First arc-shaped guide rail connect end with sliding block and is provided with fixed lobe, be provided on sliding block match with fixed lobe it is recessed Slot;
Main scale upper surface is provided with the main scale face being disposed to extend along its length, and the side end face of main scale is additionally provided with along its length The auxiliary scale face that direction is disposed to extend.
Magnetic-type rotary switch is installed, the bottom of magnetic-type rotary switch is equipped with ferromagnetism object on additional vertical ruler Body, magnetic-type rotary switch are threadedly engaged with additional vertical ruler, and the bottom end face of additional vertical ruler is additionally provided with positioned at magnetic-type Face is isolated in the magnetic conduction of rotary switch bottom.
The scale arranged along its length is additionally provided on additional vertical ruler.
Auxiliary pincers worker positioning line-drawing instrument that sheet metal surface is handled provided by the invention, by height gauge, bevel protractor, The major function of ruler rolls into one, and can not only realize and be mutually perpendicular in the case where not overturning workpiece or parallel lines It directly draws lines but also can directly draw intersecting lens at any angle, the magnetic-type fixation of the measurement of angle, fixed length setting-out, vernier survey The functions such as amount.
Detailed description of the invention
Fig. 1 is one structural schematic diagram of state of the invention.
Fig. 2 is two structural schematic diagram of state of the invention.
Fig. 3 is three structural schematic diagram of state of the invention.
Fig. 4 is the structural schematic diagram of main scale of the invention.
Fig. 5 is the structural schematic diagram that deflection ruler of the invention is matched with the first arc-shaped guide rail, the second arc-shaped guide rail.
The structural schematic diagram that Fig. 6 is the first arc-shaped guide rail of the invention, the second arc-shaped guide rail matches.
Fig. 7 is the structural schematic diagram that deflection ruler of the invention is matched with the first arc-shaped guide rail, the second arc-shaped guide rail.
Fig. 8 is the structural schematic diagram of deflection ruler of the invention.
Fig. 9 is the structural schematic diagram of pressure-sensitive scriber of the invention.
Figure 10 is the structural schematic diagram of additional vertical ruler of the invention.
It is denoted as in figure:
100, main scale;110, guide rail;
200, sliding block;210, the first tightening knob;220, tabletting;
300, additional vertical ruler;310, auxiliary chute;320, the second tightening knob;330, magnetic-type rotary switch;
400, the first arc-shaped guide rail;410, third tightening knob;420, angle scale;430, the first arc chute;440, fixed Protrusion;
500, the second arc-shaped guide rail;510, the second arc chute;
600, ruler is deflected;602, upper guide card;604, side guiding plate;610, circular arc sliding block;612, the 4th tightening knob;620, angle refers to Needle;
700, pressure-sensitive scriber;710, pressing plate;720, connecting plate;730, blade;740, suspension block;750, interconnecting piece;760, side Side slot;770, elastic steel ball.
Specific embodiment
As shown in Fig. 1-2-3, auxiliary pincers worker positioning line-drawing instrument that sheet metal surface handle comprising main scale 100 and The sliding block 200 and 200 phase of sliding block that main scale 100 matches and fixes the additional vertical ruler 300 of main scale, matches with main scale 100 First arc-shaped guide rail 400 of connection, the second arc-shaped guide rail 500 to match with the first arc-shaped guide rail 400 and the second arc-shaped guide rail The pressure-sensitive scriber 700 that the 500 deflection rulers 600 being connected and deflection ruler 600 match.
As shown in Fig. 1-2-3, for convenient for fast and accurately obtaining the scale reading on main scale 100,100 upper surface of main scale It is provided with the main scale face being disposed to extend along its length, the side end face of main scale 100 is additionally provided with extends cloth along its length The auxiliary scale face set.
As shown in figure 4, being provided with the guide rail 110 being disposed to extend along its length on main scale 100, it is arranged on sliding block 200 There is the lug boss to match with guide rail 110, sliding block 200 is equipped with first tightening knob fixed for sliding block 200 and main scale 100 210, it is preferable that be equipped in sliding block 200 above 100 upper surface of main scale and be located at 210 lower section of the first tightening knob Tabletting 220 is connected through a screw thread between first tightening knob 210 and sliding block 200, both may be used by rotating the first tightening knob 210 It oppresses tabletting 220 and main scale 100 is in close contact, so that sliding block 200 is fixed with 100 phase of main scale.
As shown in Fig. 1-2-3-10, spaced apart three auxiliary along its length are provided on additional vertical ruler 300 Sliding slot 310, auxiliary chute 310 match with guide rail 110, are additionally provided with above auxiliary chute 310 on additional vertical ruler 300 And the threaded hole being connected with auxiliary chute 310, the second tightening knob 320 are threadedly engaged with threaded hole and can extend to In auxiliary chute 310;When main scale 100 is inserted in one of in auxiliary chute 310, the second tightening knob 320 is screwed in relatively In the threaded hole answered, applying pressure using surface of second tightening knob 320 to main scale 100 both may be implemented additional vertical ruler 300 with the fixation of main scale 100.
As shown in Fig. 1-2-3-10, sheet metal surface is handled due to auxiliary pincers worker of the invention positioning line-drawing instrument master To be applied to the setting-out of sheet metal, sheet metal is consolidated to reach using the suction of ferromagnetism object and sheet metal It is fixed, magnetic-type rotary switch 330 is installed, the bottom of magnetic-type rotary switch 330 is equipped with ferromagnetism on additional vertical ruler 300 Object;Preferably, magnetic-type rotary switch 330 is threadedly engaged with additional vertical ruler 300, the bottom end face of additional vertical ruler 300 It is additionally provided with positioned at the magnetic conduction isolation face of magnetic-type 330 bottom of rotary switch.
Additional vertical ruler 300 can be applied not only to the positioning of main scale 100, can also draw perpendicular with main scale 100 Straight line, for this purpose, being additionally provided with the scale arranged along its length on additional vertical ruler 300;By main scale 100 and additional vertical ruler 300 match, and additional vertical ruler is fixed on predeterminated position, both can fast and accurately obtain vertical line.
As shown in Fig. 1-2-3-5-6-7, the first arc-shaped guide rail 400 connect end with sliding block 200 and is provided with fixed lobe 440, be provided with the groove to match with fixed lobe 440 on sliding block 200, the first arc-shaped guide rail 400 be arc-shaped arrange and Its guide direction is identical as its circular arc extending direction, and the second arc-shaped guide rail 500 is arc-shaped arrangement and its guide direction and its Circular arc extending direction is identical, the second arc-shaped guide rail 500 and the first arc-shaped guide rail matches and it is along the first arc-shaped guide rail 400 Guide direction movement, deflection ruler 600 include circular arc sliding block 610, angle indicator 620, and circular arc sliding block 610 is arranged in arc-shaped, circle Arc sliding block 610 matches with the second arc-shaped guide rail 500 and can move along the guide direction of the second arc-shaped guide rail 500, the first arc Shape guide rail 400, the second arc-shaped guide rail 500, the equal arranged concentric of circular arc sliding block 610;First arc-shaped guide rail 400 and the second arc-shaped guide rail It is also equipped with third tightening knob 410 between 500, the 4th fastening is installed between circular arc sliding block 610 and the second arc-shaped guide rail 500 Knob 612, the bending direction of the first arc-shaped guide rail 400 are provided with angle scale 420, and angle indicator 620 is fixed on deflection ruler 600 Point and the center location of angle indicator 620 be overlapped always with the center location of the first arc-shaped guide rail 400.
Particularly importantly, the gearing between the second arc-shaped guide rail 500 of realization and circular arc sliding block 610, and pass through first Arc-shaped guide rail 400 carries out the disengaging that limit avoids the second arc-shaped guide rail 500 to the second arc-shaped guide rail 500;First arc-shaped guide rail 400 On be provided with the first guiding mechanism that guide direction extends along direction arrangement, be provided on the second arc-shaped guide rail 500 and first The movement parts that guiding mechanism matches, the first guiding mechanism are oriented to arc length of the stroke less than the first arc-shaped guide rail 400;Second arc The second guiding mechanism that guide direction extends along direction arrangement is provided on shape guide rail 500, be provided on circular arc sliding block 610 with The movement parts that second guiding mechanism matches, the second arc-shaped guide rail 500 are oriented to arc of the stroke less than the second arc-shaped guide rail 500 It is long.
As shown in Fig. 1-2-3-5-6-7, the first above-mentioned guiding mechanism is first be set on the first arc-shaped guide rail 400 Arc chute 430, the first arc chute is 430 open at one end towards sliding block, other end closure, is arranged on the second arc-shaped guide rail 500 There is the boss slider to match with the first arc chute 430, the second above-mentioned guiding mechanism is to be set to the second arc-shaped guide rail 500 On the second arc chute 510, the second arc chute is 510 open at one end towards sliding block, other end closure, on circular arc sliding block 610 It is provided with the boss slider to match with the second arc chute 510;The side-walls of first arc-shaped guide rail 410 are threaded with third Tightening knob 410, side wall of the axial bottom of third tightening knob 410 towards the second arc-shaped guide rail 500,610 spiral shell of circular arc sliding block Line is connected with the 4th tightening knob 612, the bottom wall of axial bottom the second arc-shaped guide rail 500 of direction of the 4th tightening knob 612;It is logical Rotation third tightening knob 410, the 4th tightening knob 612 control elasticity are crossed, thus control the first arc-shaped guide rail, the second arc Relative position between guide rail, circular arc sliding block.
By stirring deflection ruler 600 and circular arc sliding block 610 being driven to deflect, movement the second arc of traction of circular arc sliding block 610 The movement of shape guide rail, to realize the deflection of deflection ruler and be installed on the angle indicator 620 on deflection 600 top of ruler along angle mark Ruler 420 deflects, thus the rotational angle of quick obtaining deflection ruler 600.
It deflects and slidably connects pressure-sensitive scriber 700 on ruler 600, under off working state, pressure-sensitive scriber 700 floats on gold Belonging to plate surface and be not in contact with it, in the operating condition, it is only necessary to pressing can be driven pressure-sensitive scriber and be moved, from And obtain parallax.
As Figure 8-9, deflection ruler 600 is internally provided with guiding cavity, and the upper surface of deflection ruler 600 is upper guide card 602, Deflect ruler 600 on relative to side connect with circular arc sliding block 610 be side guiding plate 604, between upper guide card 602 and side guiding plate 604 It is provided with the notch being connected with guiding cavity.
As Figure 8-9, pressure-sensitive scriber 700 comprising pressing plate 710, connecting plate 720, blade 730, pressing plate 710 are parallel It is arranged in 602 top of guide card, connecting plate 720 and pressing plate 710 are arranged vertically and are parallel to side guiding plate 604, connecting plate 720 Bottom is equipped with the blade 730 perpendicular to pressing plate, and the bottom of pressing plate 710 is additionally provided with the suspension block 740 for sliding on guiding cavity, Suspension block 740 by pass through notch interconnecting piece 750 be connected with connecting plate 720, between suspension block 740 and connecting plate 720 between It is separated with the side slot 760 to match with side guiding plate 604, also installation is between 740 bottom of suspension block and guiding cavity in suspension block 740 Elastic steel ball 770 between bottom surface;More specifically, elastic steel ball 770 is made of steel ball, spring, under off working state, is suspended Spring in block 740 is given and is detached between the bottom of steel ball elastic force and support suspension block 740 and the bottom wall of guiding cavity, and pressing is worked as When pressing plate, pressure is transmitted by connecting plate and active force is applied to suspension block, so that pressuring spring is shunk, so that suspension block Bottom surface contacted with the interior bottom of guiding cavity so that the sharp portion of blade is contacted with the surface of metal plates, mobile pressure-sensitive While scriber, angled straight lines are obtained.
For the angled straight lines convenient for accurately obtaining predetermined length, scale can be set on side guiding plate 604, utilize blade 730 The distance of sliding obtains the angled straight lines of predetermined length.
Further to improve precision of the invention, deflects and be provided with the direction positioned at 604 starting point of side guiding plate on ruler 600 Sharp portion is directed toward main scale face or auxiliary scale face that sharp portion is directed toward main scale, and is directed toward sharp portion and the first arc-shaped guide rail 400 Center location coincides always.
Range on angle scale is 90 degree;Because any angle may be by the complementary angle supplementary angle read within 90 degree It is diagonal etc. to show, as long as 90 degree of angle scale of range is the demand that can reach general work.

Claims (3)

1. the positioning line-drawing instrument that handles sheet metal surface of auxiliary pincers worker, it is characterised in that: it include main scale, with main scale phase Match and fix the additional vertical ruler of main scale, the sliding block to match with main scale, the first arc-shaped guide rail being connected with sliding block, with the The second arc-shaped guide rail that one arc-shaped guide rail matches, matches with deflection ruler at the deflection ruler being connected with the second arc-shaped guide rail Pressure-sensitive scriber;
It is provided with the guide rail being disposed to extend along its length on main scale, the lug boss to match with guide rail is provided on sliding block, Sliding block is equipped with first tightening knob fixed for sliding block and main scale;
First arc-shaped guide rail is arranged in arc-shaped and its guide direction is identical as its circular arc extending direction, and the second arc-shaped guide rail is in Arc-shaped is arranged and its guide direction is identical as its circular arc extending direction, and the second arc-shaped guide rail matches with the first arc-shaped guide rail And it is moved along the guide direction of the first arc-shaped guide rail, and deflection ruler includes circular arc sliding block, angle indicator, and circular arc sliding block is in circular arc Shape arrangement, circular arc sliding block match with the second arc-shaped guide rail and can move along the guide direction of the second arc-shaped guide rail, the first arc Shape guide rail, the second arc-shaped guide rail, the equal arranged concentric of circular arc sliding block;It is also equipped between first arc-shaped guide rail and the second arc-shaped guide rail Third tightening knob is equipped with the 4th tightening knob, the bending of the first arc-shaped guide rail between circular arc sliding block and the second arc-shaped guide rail Direction is provided with angle scale, and angle indicator is fixed on the center location of the point of deflection ruler and angle indicator always with the The center location of one arc-shaped guide rail is overlapped;
The first guiding mechanism that guide direction extends along direction arrangement is provided on first arc-shaped guide rail, on the second arc-shaped guide rail The movement parts to match with the first guiding mechanism are provided with, the first guiding mechanism is oriented to arc of the stroke less than the first arc-shaped guide rail It is long;It is provided with the second guiding mechanism that guide direction extends along direction arrangement on second arc-shaped guide rail, is arranged on circular arc sliding block There are the movement parts to match with the second guiding mechanism, the second arc-shaped guide rail is oriented to arc length of the stroke less than the second arc-shaped guide rail;
Be provided with third tightening knob for fixing between first arc-shaped guide rail and the second arc-shaped guide rail, the second arc-shaped guide rail with The 4th tightening knob for fixing is provided between circular arc sliding block;
Pressure-sensitive scriber is slidably connected on deflection ruler, deflection ruler is internally provided with guiding cavity, and it is upper for deflecting the upper surface of ruler Guide card, deflect ruler on relative to side connect with circular arc sliding block be side guiding plate, be provided with and lead between upper guide card and side guiding plate The notch being connected to cavity;
Pressure-sensitive scriber comprising pressing plate, connecting plate, blade, pressing plate are arranged in parallel above upper guide card, and connecting plate and pressing plate hang down Side guiding plate is directly arranged and is parallel to, the bottom of connecting plate is equipped with the blade perpendicular to pressing plate, and the bottom of pressing plate is additionally provided with Slide on guiding cavity suspension block, suspension block by pass through notch interconnecting piece be connected with connecting plate, suspension block with connect The side slot to match with side guiding plate is separated between plate, also installation is between suspension block bottom and guiding cavity floor in suspension block Between elastic steel ball;
Spaced apart three auxiliary chutes along its length, auxiliary chute and guide rail phase are provided on additional vertical ruler Match, the threaded hole for being additionally provided on additional vertical ruler above auxiliary chute and being connected with auxiliary chute, the second fastening Knob and threaded hole are threadedly engaged and can extend in auxiliary chute;
The tabletting above main scale upper surface and being located at below the first tightening knob, the first tightening knob are installed in sliding block It is connected through a screw thread between sliding block;
First arc-shaped guide rail connect end with sliding block and is provided with fixed lobe, be provided on sliding block match with fixed lobe it is recessed Slot;
Main scale upper surface is provided with the main scale face being disposed to extend along its length, and the side end face of main scale is additionally provided with along its length The auxiliary scale face that direction is disposed to extend.
2. the positioning line-drawing instrument that auxiliary pincers worker according to claim 1 handles sheet metal surface, it is characterised in that: auxiliary It helps on miter square and magnetic-type rotary switch is installed, the bottom of magnetic-type rotary switch is equipped with ferromagnetism object, magnetic-type rotation Button switch is threadedly engaged with additional vertical ruler, and the bottom end face of additional vertical ruler is additionally provided with positioned at magnetic-type rotary switch bottom Magnetic conduction be isolated face.
3. the positioning line-drawing instrument that auxiliary pincers worker according to claim 2 handles sheet metal surface, it is characterised in that: auxiliary Help the scale for being additionally provided on miter square and arranging along its length.
CN201810884906.2A 2016-12-22 2016-12-22 The positioning line-drawing instrument that auxiliary pincers worker handles sheet metal surface Withdrawn CN108927784A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810884906.2A CN108927784A (en) 2016-12-22 2016-12-22 The positioning line-drawing instrument that auxiliary pincers worker handles sheet metal surface

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CN201810884906.2A CN108927784A (en) 2016-12-22 2016-12-22 The positioning line-drawing instrument that auxiliary pincers worker handles sheet metal surface
CN201611200553.7A CN106737536B (en) 2016-12-22 2016-12-22 Angle line-drawing instrument

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Publication number Priority date Publication date Assignee Title
CN112706547A (en) * 2021-01-13 2021-04-27 曲靖师范学院 Precision mathematical calculation meter-making device

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CN108590202B (en) * 2018-04-18 2020-06-02 中建八局第一建设有限公司 Top plate positioning and line drawing device and method for construction site

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FR2600591B1 (en) * 1986-06-24 1990-08-10 Garraut Gerard DRAWING RULE
CN2053988U (en) * 1989-07-18 1990-03-07 曾德邻 F shaped changeable ruler and its mating drawing-board
CN2103409U (en) * 1991-11-21 1992-05-06 孙纪光 Universal coodinate marking ruler
CN201670012U (en) * 2010-06-12 2010-12-15 周晶 Geometry teaching ruler
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112706547A (en) * 2021-01-13 2021-04-27 曲靖师范学院 Precision mathematical calculation meter-making device

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CN106737536B (en) 2019-10-25

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PB01 Publication
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20181204