CN103440020A - Tolerance and limit deviation inquiring instrument - Google Patents
Tolerance and limit deviation inquiring instrument Download PDFInfo
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- CN103440020A CN103440020A CN2013103690606A CN201310369060A CN103440020A CN 103440020 A CN103440020 A CN 103440020A CN 2013103690606 A CN2013103690606 A CN 2013103690606A CN 201310369060 A CN201310369060 A CN 201310369060A CN 103440020 A CN103440020 A CN 103440020A
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- tolerance
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- axle
- limit deviation
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Abstract
The invention discloses a tolerance and limit deviation inquiring instrument. A drive roll (13) and a driven roll (3) are arranged in a shell (1) in parallel by a short rotating pin roll (2) and a long rotating pin roll (4), a driven gear (6) is arranged on the long rotating pin roll of the driven roll (3), a drive gear (11) and a rotary knob assembly (9) are arranged on the long rotating pin of the drive roll (13), a transition gear (7) is arranged on the shell (1) through a transition wheel pin roll (8), the drive gear (11) is meshed with the driven gear (6) through the transition gear (7), a data tape (14) is adhered and connected to the circumferential direction of the drive roll (13) and the driven roll (3) in an 8-shaped manner, and a data sheet (15) is adhered and connected to a transparent panel (12), and the transparent panel (12) is arranged on the shell (1), thus the tolerance and limit deviation inquiring instrument is integrally formed. The tolerance and limit deviation inquiring instrument is simple in structure, low in cost, convenient to operate and carry and small in volume; relevant standards and manuals are not needed to be prepared, thus the inquiring efficiency is increased and the error rate is reduced.
Description
Technical field
The present invention relates to the tolerance inquiry instrument in the machine design and manufacture field, be specifically related to national standard (GB1800-79, GB1801-79) and reach cylindrical fit tolerance and the limit deviation inquiring instrument in other relevant criterion (DIN ISO286-2, JP JIS B0401-2, RU25346-89) commonly used in the world.
Background technology
In the machinery industry personnel working processes such as Machine Design, machining, Design of Dies, digital control processing, all need to inquire about national standard (GB1800-79, GB1801-79) and the hole in the length tolerance value in other relevant criterion (DIN ISO286-2, JP JIS B0401-2, RU25346-89) commonly used and basic deviation, cylindrical fit and standard of tolerance grade and the limit deviation of axle in the world.Due to national standard and the kind of the nominal size classification in other relevant criterion commonly used, tolerance grade grade, basic deviation is a lot of in the world, cause the data in each standard huge, Machine Design and manufacture practitioner inquire about and need to get all the relevant standard data and handbook ready, search efficiency is low, and easily causes inquiry error.
Summary of the invention
The object of the invention is to: provide that a kind of usable range is wide, simple and fast, portable tolerance and limit deviation inquiring instrument, this inquiring instrument can directly be searched tolerance and limit deviation, without preparing neat relevant criterion and handbook, improve search efficiency, reduce error rate.
The technical solution adopted for the present invention to solve the technical problems is: this tolerance and limit deviation inquiring instrument comprise housing, rotation short pin shaft, passive roller, rotate have strong market potential axle, tensioning torsion spring, driven gear, transition gear, transition wheel bearing pin, knob, holddown spring, driving gear, transparent panel, data band, tables of data, active roll tube, the two ends of passive roller are respectively through rotating short pin shaft, the rotation axle of having strong market potential is installed in parallel in housing, through the tensioning torsion spring, driven gear is installed on passive roller, through holddown spring, driving gear is installed on active roll tube, knob is installed on active roll tube, knob is positioned at outside housing, two transition wheel bearing pins are installed on the housing of having strong market potential between axle in two rotations, transition gear is arranged on the transition wheel bearing pin, driving gear is through transition gear engagement driven gear, the data band sticks in the circumferential of active roll tube and passive roller with the arrangement of the figure of eight, tables of data sticks on transparent panel, transparent panel is arranged on housing, whole formation tolerance and limit deviation inquiring instrument.
Wherein, the data band is rectangular belt body, tow sides by the data printing of the tolerance grade grade in all standards that will inquire about, basic deviation, limit deviation at rectangular belt body, the tolerance of the back face printing axle of rectangular belt body and limit deviation data, the tolerance of the front printing hole of rectangular belt body and limit deviation data.
Wherein, what the tables of data of transparent panel showed is the tolerance range of axle and the tolerance range in hole, the tolerance range of axle up, the tolerance range in hole below, display window is established in the centre of tables of data.
Nominal size, basic deviation and accuracy class according to the hole that will inquire about or axle, the position (below the tolerance inquiry instrument) of the position (above the tolerance inquiry instrument) of the tolerance range of the axle on the transparent panel of at first definite tolerance inquiry instrument, the tolerance range in hole, turning knob, drive the data Tape movement, find the basic deviation that will look into tolerance and that a line of accuracy class; Then those row of the nominal size of transversely searching, walking crosswise data corresponding to data band that perpendicular row cross is exactly the limit deviation that will look into; Finally, deducting lower deviation by the upper deviation is exactly tolerance value.
The present invention has the following advantages: 1, tolerance and limit deviation inquiring instrument usable range are wide, are suitable for the practitioner in the whole field of machine design and manufacture; 2, broad covered area, the nominal size (0～500mm) in national standard (GB1800-79, GB1801-79) and other working standards is available in all varieties from 28 other tolerances of level of tolerance and the limit deviation of 28 ranks in A～Zc hole and a～zc axle with interior all classifications, basic deviation; 3, simple in structure, with low cost, easy to operate, apparent size is little, is easy to carry, and has good market outlook and practical value.
The accompanying drawing explanation
Fig. 1 is tolerance inquiry instrument three-dimensional model diagram of the present invention.
Fig. 2 is tolerance inquiry instrument panel schematic diagram of the present invention.
Fig. 3 is tolerance inquiry instrument data band pros and cons schematic diagram of the present invention.
Fig. 4 is tolerance inquiry instrument structural representation of the present invention.
In figure: 1 housing, 2 rotate short pin shaft, 3 passive rollers, 4 rotate the axle of having strong market potential, 5 tensioning torsion springs, 6 driven gears, 7 transition gears, 8 transition wheel bearing pins, 9 knobs, 10 holddown springs, 11 driving gears, 12 transparent panels, 13 active roll tubes, 14 data bands, 15 tables of data.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As Figure 1-4, this tolerance and limit deviation inquiring instrument comprise housing 1, rotate short pin shaft 2, active roll tube 13, passive roller 3, the rotation axle 4 of having strong market potential, tensioning torsion spring 5, driven gear 6, transition gear 7, transition wheel bearing pin 8, knob 9, holddown spring 10, driving gear 11, transparent panel 12, data band 14 and tables of data 15, active roll tube 13, the two ends of passive roller 3 are respectively through rotating short pin shaft 2, the rotation axle 4 of having strong market potential is installed in parallel in housing 1, the rotation of passive roller 3 is had strong market potential and through tensioning torsion spring 5, driven gears 6 is installed on axle, the rotation of active roll tube 13 is had strong market potential and through holddown spring 10, driving gears 11 is installed on axle, the rotation of active roll tube 13 is had strong market potential on axle knob 9 is installed, knob 9 is positioned at outside housing 1, transition wheel bearing pin 8 is installed on the housing 1 of having strong market potential between axle 4 in two rotations, transition gear 7 is arranged on transition wheel bearing pin 8, driving gear 11 is through transition gear 7 engagement driven gears 6, the arrangement of the data band 14 use figures of eight sticks in the circumferential of active roll tube 13 and passive roller 3, tables of data 15 sticks on transparent panel 12, transparent panel 12 is arranged on housing 1, whole formation tolerance and limit deviation inquiring instrument.
Wherein, data band 14 is rectangular belt body, tow sides by the data printing of the tolerance grade grade in all standards that will inquire about, basic deviation, limit deviation at rectangular belt body, the tolerance of the back face printing axle of rectangular belt body and limit deviation data, the tolerance of the front printing hole of rectangular belt body and limit deviation data.
Wherein, what the tables of data of transparent panel 12 15 showed is the tolerance range of axle and the tolerance range in hole, the tolerance range of axle up, the tolerance range in hole below, display window is established in the centre of tables of data 15.
Nominal size, basic deviation and accuracy class according to the hole that will inquire about or axle, the position (below the tolerance inquiry instrument) of the position (above the tolerance inquiry instrument) of the tolerance range of the axle on the transparent panel 12 of at first definite tolerance inquiry instrument, the tolerance range in hole, turning knob 9, drive data band 14 and move, find the basic deviation that will look into tolerance and that a line of accuracy class; Then those row of the nominal size of transversely searching, walking crosswise data corresponding to data band that perpendicular row cross is exactly the limit deviation that will look into; Finally, deducting lower deviation by the upper deviation is exactly tolerance value.
Claims (3)
1. tolerance and limit deviation inquiring instrument, it is characterized in that: this tolerance and limit deviation inquiring instrument comprise housing (1), rotate short pin shaft (2), active roll tube (13), passive roller (3), the rotation axle (4) of having strong market potential, tensioning torsion spring (5), driven gear (6), transition gear (7), transition wheel bearing pin (8), knob assembly (9), holddown spring (10), driving gear (11), transparent panel (12), data band (14) and tables of data (15), active roll tube (13), the two ends of passive roller (3) are respectively through rotating short pin shaft (2), the rotation axle (4) of having strong market potential is installed in parallel in housing (1), the rotation of passive roller (3) is had strong market potential and through tensioning torsion spring (5), driven gear (6) is installed on axle, the rotation of active roll tube (13) is had strong market potential and through holddown spring (10), driving gear (11) is installed on axle, the rotation of active roll tube (13) is had strong market potential on axle knob (9) is installed, knob is positioned at outside housing (1), upper two the transition wheel bearing pins (8) of installing of the housing (1) of having strong market potential between axle (4) in two rotations, transition gear (7) is arranged on transition wheel bearing pin (8), driving gear (11) is through transition gear (7) engagement driven gear (6), data band (14) sticks in the circumferential of active roll tube (13) and passive roller (3) with the arrangement of the figure of eight, tables of data (15) sticks on transparent panel (12), transparent panel (12) is arranged on housing (1), whole formation tolerance and limit deviation inquiring instrument.
2. tolerance according to claim 1 and limit deviation inquiring instrument, it is characterized in that: data band (14) is rectangular belt body, tow sides by the data printing of the tolerance grade grade in all standards that will inquire about, basic deviation, limit deviation at rectangular belt body, the tolerance of the back face printing axle of rectangular belt body and limit deviation data, the tolerance of the front printing hole of rectangular belt body and limit deviation data.
3. tolerance according to claim 1 and limit deviation inquiring instrument, it is characterized in that: what the tables of data (15) of transparent panel (12) showed is the tolerance range of axle and the tolerance range in hole, the tolerance range of axle up, the tolerance range in hole below, display window is established in the centre of tables of data 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103690606A CN103440020A (en) | 2013-08-22 | 2013-08-22 | Tolerance and limit deviation inquiring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103690606A CN103440020A (en) | 2013-08-22 | 2013-08-22 | Tolerance and limit deviation inquiring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103440020A true CN103440020A (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103690606A Pending CN103440020A (en) | 2013-08-22 | 2013-08-22 | Tolerance and limit deviation inquiring instrument |
Country Status (1)
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| CN (1) | CN103440020A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4551620A (en) * | 1982-06-29 | 1985-11-05 | Michael Rashev | Biorhythms analog computer-calendar |
| CN2098704U (en) * | 1991-01-15 | 1992-03-11 | 胡冬阳 | Device for quick looking up common tolerance and fit table |
| JPH10283052A (en) * | 1997-04-07 | 1998-10-23 | Yuukoushiya:Kk | Sheet slide type translator |
| CN201477833U (en) * | 2009-08-24 | 2010-05-19 | 邹简洁 | Single-button parameter standard searching instrument |
| CN201489759U (en) * | 2009-08-24 | 2010-05-26 | 邹简洁 | Parameter and standard finder with single button |
| CN201489388U (en) * | 2009-08-24 | 2010-05-26 | 邹简洁 | Parameter and standard searching instrument with multiple rolling shaft units |
-
2013
- 2013-08-22 CN CN2013103690606A patent/CN103440020A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4551620A (en) * | 1982-06-29 | 1985-11-05 | Michael Rashev | Biorhythms analog computer-calendar |
| CN2098704U (en) * | 1991-01-15 | 1992-03-11 | 胡冬阳 | Device for quick looking up common tolerance and fit table |
| JPH10283052A (en) * | 1997-04-07 | 1998-10-23 | Yuukoushiya:Kk | Sheet slide type translator |
| CN201477833U (en) * | 2009-08-24 | 2010-05-19 | 邹简洁 | Single-button parameter standard searching instrument |
| CN201489759U (en) * | 2009-08-24 | 2010-05-26 | 邹简洁 | Parameter and standard finder with single button |
| CN201489388U (en) * | 2009-08-24 | 2010-05-26 | 邹简洁 | Parameter and standard searching instrument with multiple rolling shaft units |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131211 |