CN102944152B - Double-zero electronic watch caliper - Google Patents
Double-zero electronic watch caliper Download PDFInfo
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- CN102944152B CN102944152B CN201210362721.8A CN201210362721A CN102944152B CN 102944152 B CN102944152 B CN 102944152B CN 201210362721 A CN201210362721 A CN 201210362721A CN 102944152 B CN102944152 B CN 102944152B
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Abstract
The invention provides a double-zero electronic watch caliper, which comprises a double-zero caliper body and a micrometer mechanism; the double-zero caliper body comprises a main scale and a vernier scale; the vernier scale comprises a front vernier scale and a rear vernier scale, wherein the rear vernier scale can move in a limited range relative to the front vernier scale, and the moving direction of the rear vernier scale is parallel to the arranging direction of integral scribed lines; the front vernier scale comprises a momentum claw and a measuring mark; the front vernier scale is responsible for measuring the integer value of a measured value, and the rear vernier scale is responsible for measuring the difference between the measured value and the integer value; and a positioning shaft is arranged in the rear vernier scale, and the double-zero electronic watch caliper further comprises a lever, a self-locking mechanism and a clutch mechanism, which are used for jointly controlling the displacement of the front vernier scale and the rear vernier scale. The double-zero electronic watch caliper in the application adopts the novel concept of double zero measurement, therefore, the working strokes of the vernier line, the indicating gage, the electronic sensor and other modern micrometer mechanisms can be greatly reduced, and theoretically reduced to the maximum of only 1mm, and a foundation extremely favorable for breaking through the four technological limits of a modern caliper is laid.
Description
The application is application number: 201110288801.9, and denomination of invention is: the divisional application of two zero-bit caliper.
Technical field
The present invention relates to slide calliper rule technical field, particularly a kind of two zero-bit electronic watch slide calliper rule.
Technical background
Slide calliper rule are a kind of survey tools of the remote past, and its ancient history can be traced at the beginning of century in Christian era, China at that time just invented ancient times slide calliper rule and application aborning.Although the slide calliper rule in ancient times of China do not have micrometer mechanism, can not measure the numerical value being less than 1 millimeter, but it is provided with fixing main scale and the secondary chi that can move along main scale, all respectively with measuring claw on main scale and secondary chi, can relative motion between two pawls, thus measured object can be blocked measure.This has the structure of nimble property, experienced by thoroughly tempered test, becomes the classics of structure of calipers, is still scrupulously abided by by all modern slide calliper rule so far and enjoys and cannot surmount.Modern slide calliper rule are just many a set of micrometer mechanism, thus can measure and show the numerical value being less than 1 millimeter.
Slide calliper rule, because its structure is simple, change leeway not quite, make the update cycle of slide calliper rule extremely very long.Count from slide calliper rule in 9 years Christian eras in made in China ancient times, go through Americanized first slide measure in 1851, first dial caliper that Switzerland in 1973 manufactures, Japan in 1980 take the lead in the electronic caliper produced, bimillennium is lasted so far in front and back.
All known slide calliper rule up to now, no matter the slide calliper rule or the modern slide calliper rule of Global Access in ancient times of China, it is all the conceptual design according to " single zero-bit ", namely the measured value of slide calliper rule is all obtained by the measurement operation leaving original zero-bit and the quiet measuring jaw fixed a position, its record be displacement from original zero-bit to measured point.The measurement concept of this " single zero-bit " continued to use for 2 over thousands of years, both achieved immense success, and also created the technological limit that some cannot be gone beyond so far, and that is exactly: 1. the highest display precision of slide measure can only reach 0.02 millimeter.2. the tooth bar length of dial caliper must be greater than calibrated span, and then therefore manufactures the wide range dial caliper being greater than 1 meter and be still blank so far.3. displacement of the lines volume grate electronic slide calliper rule so far can not waterproof.4. all known slide calliper rule all can because of gauger exert oneself size difference and cause indicating value difference.This four large technological limit has become specialty final conclusion, and they are the obstacles manufacturing better slide calliper rule, but is difficult to cross over.Bimillennium, accumulate above-mentioned four large technological limits in slide calliper rule field, have no precedent breakthrough.
Summary of the invention
For described four large technological limits, the invention provides the new principle of a kind of slide calliper rule design, and a kind of slide calliper rule chi body that can embody this new principle, and the Novel caliper of scale, electronic sensor and vernier three kinds of different micrometer mechanisms is installed on this chi body respectively.These Novel calipers had both broken the old principle that never there were change in 2 over thousands of years, remained again the classical feature of modern slide calliper rule completely, can break through four described large technological limits comprehensively.Need to illustrate, the slide calliper rule chi body addressed and the Novel caliper having installed three kinds of different micrometer mechanisms respectively addressed, the relevance on possessing skills, they form content of the present invention jointly.
Described slide calliper rule design new principle is: first set each measured value and equal integer value+fractional value sum.Main scale is provided with original zero-bit, for measuring integer value, and is decimal zero-bit with integer value, for measuring fractional value, is called for short " two zero measurement ".According to " two zero measurement " new principle, the modern micrometer mechanisms such as vernier, scale, electronic sensor are all only for measuring relatively a certain integer-valued fractional value, therefore, its impulse stroke all can significantly shorten, and can shorten to the maximum degree being only 1 millimeter in theory.So, shift motion on the stroke that is coupled between dial caliper upper rack with fixed grid dynamic on the engagement travel between gear, electronic caliper, slide measure between vernier line and integer groove, all by be confined to 1 millimeter at the most teachings within, this just makes the large technological limit of four described in breakthrough become possibility.Because " two zero measurement " new principle must be realized by the transformation of chi body and innovation, for this reason, spy can embody the slide calliper rule chi body of this new principle referred to as two zero-bit chi body, allly on two zero-bit chi body, different micrometer mechanism is installed and the slide calliper rule that formed are referred to as two zero-bit caliper, two zero-bit stem-winder slide calliper rule, two zero-bit electronic watch slide calliper rule and two zero-bit slide measure is called again by the character of micrometer mechanism, conventional known to be different from.
Technical scheme of the present invention is as follows: a kind of two zero-bit caliper, comprises two zero-bit chi body and micrometer mechanism; Described pair of zero-bit chi body comprises main scale and secondary chi; Described micrometer mechanism is mechanical scale or electronic displacement sensor or vernier subdividing device; Described main scale has quiet measuring jaw and main scale chi body, and described main scale chi body is marked with the integer groove that distance is between two the integral multiple of 1 millimeter, and the initial integer groove nearest apart from quiet measuring jaw is original zero-bit; Described secondary chi contains described main scale chi body and can move relative to motionless or along described integer groove the orientation of described main scale chi body self-locking;
Described secondary chi has front secondary chi and rear secondary chi, and described rear secondary chi can move in limited range relative to described front secondary chi, and moving direction is parallel with the orientation of described integer groove; Described front secondary chi has momentum pawl and mark; The integer value measuring measured value is responsible for by described front secondary chi, and the difference measuring measured value and described integer value is responsible for by described rear secondary chi;
Described front secondary chi is a framework, described framework lower par pivots one lever, and this lever free end is provided with a roller that can freely rotate, and this roller is near the downside of described main scale chi body; Described lever and described rear secondary chi are provided with the clutch cooperatively interacted, press described roller when making it contact the downside of described main scale chi body, described deviation of lever, described clutch closes, now, described forward and backward secondary chi forms the rigid structure of synchronous shift; Unclamp described roller, described lever resets, and described clutch separately;
The also self-locking mechanism that is made up of lock shaft and Compress Spring of tool on described front secondary chi; Described lock shaft is provided with locking face and described main scale chi body closely supports, thus is locked on described main scale chi body by described front secondary chi and can not moves; Described lock shaft one end abuts described lever, the described lever power be applied on described lock shaft makes described locking face be separated with described main scale chi body, thus the locking state between described front secondary chi and described main scale chi body is removed, now described front secondary chi can move along the orientation of described integer groove; After the described lever power be applied on described lock shaft is cancelled, described Compress Spring makes described lock shaft reset, and makes described lock shaft return to the locking state closely supported with described main scale chi body;
Described rear secondary chi is also a framework, and after secondary chi have one only can along the locating shaft of direction of axis line movement, described locating shaft part is placed in framework, and described locating shaft is set with flexible member, and this flexible member can make described locating shaft reset after the external force making it produce displacement is cancelled;
It is concavo-convex that described main scale is provided with a registration, the radial section configuration of the shape that described location is concavo-convex and described locating shaft matches, the concavo-convex quantity in described location at least can make its spread length equal calibrated span, the concavo-convex shape in each described location is identical with size, concavo-convex center, each described location keeps changeless corresponding relation with described integer groove, and the concavo-convex centre-to-centre spacing in adjacent two described location is equal; When described original zero-bit aimed at by the mark of described front secondary chi, press described roller and described clutch is closed, the symmetrical centre of described locating shaft and locate concavo-convex center superposition described in certain, this location is concavo-convex, and to be initial location concavo-convex;
Described forward and backward secondary chi is separated a bit of distance in the orientation along described integer groove, is designated as δ ＇; Described front secondary chi and described rear secondary chi are provided with the stopping means cooperatively interacted, and described stopping means makes the maximum displacement distance ≯ δ ＇ of the relatively described front secondary chi of described rear secondary chi; When described clutch closes, the separating distance of described forward and backward secondary chi in the orientation along described integer groove, is designated as δ, δ ＇ > δ >=1 millimeter and equal a described location of row concavo-convex in the concavo-convex centre-to-centre spacing in adjacent two location;
The relative motion part of described micrometer mechanism is packed on described front secondary chi respectively and on described rear secondary chi, enables described micrometer mechanism produce impulse stroke; The shift length of described front secondary chi relative to showing described rear secondary chi only measured by described micrometer mechanism.
Preferably, described clutch is the V-type protuberance and V-type recess that cooperatively interact.
Preferably, described locating shaft is a ball head.
Preferably, described location is concavo-convex is locating hole, and the diameter of locating hole is less than the sphere diameter of described ball head.
Preferably, press described roller when making it contact the downside of main scale, the periphery of described roller is concordant with the edge surface of described lever.
Preferably, the even number groove of the center that described location is concavo-convex and described integer groove keeps fixed relationship one to one.
A kind of two zero-bit stem-winder slide calliper rule, comprise two zero-bit chi body and micrometer mechanism; Described pair of zero-bit chi body comprises main scale and secondary chi; Described micrometer mechanism is the mechanical dial gauge of band gear train; Described main scale has quiet measuring jaw and main scale chi body, and described main scale chi body is marked with the integer groove that distance is between two the integral multiple of 1 millimeter, and the initial integer groove nearest apart from quiet measuring jaw is original zero-bit; Described secondary chi contains described main scale chi body and can move relative to motionless or along described integer groove the orientation of described main scale chi body self-locking;
Described secondary chi has front secondary chi and rear secondary chi, and described rear secondary chi can move in limited range relative to described front secondary chi, and moving direction is parallel with the orientation of described integer groove; Described front secondary chi has momentum pawl and mark; The integer value measuring measured value is responsible for by described front secondary chi, and the difference measuring measured value and described integer value is responsible for by described rear secondary chi;
Described front secondary chi is a framework, described framework lower par pivots one lever, and this lever free end is provided with a roller that can freely rotate, and this roller is near the downside of described main scale chi body; Described lever and described rear secondary chi are provided with the clutch cooperatively interacted, press described roller when making it contact the downside of described main scale chi body, described deviation of lever, described clutch closes, now, described forward and backward secondary chi forms the rigid structure of synchronous shift; Unclamp described roller, described lever resets, and described clutch separately;
The also self-locking mechanism that is made up of lock shaft and Compress Spring of tool on described front secondary chi; Described lock shaft is provided with locking face and described main scale chi body closely supports, thus is locked on described main scale chi body by described front secondary chi and can not moves; Described lock shaft one end abuts described lever, the described lever power be applied on described lock shaft makes described locking face be separated with described main scale chi body, thus the locking state between described front secondary chi and described main scale chi body is removed, now described front secondary chi can move along the orientation of described integer groove; After the described lever power be applied on described lock shaft is cancelled, described Compress Spring makes described lock shaft reset, and makes described lock shaft return to the locking state closely supported with described main scale chi body;
Described rear secondary chi is also a framework, and after secondary chi have one only can along the locating shaft of direction of axis line movement, described locating shaft part is placed in framework, and described locating shaft is set with flexible member, and this flexible member can make described locating shaft reset after the external force making it produce displacement is cancelled;
It is concavo-convex that described main scale is provided with a registration, the radial section configuration of the shape that described location is concavo-convex and described locating shaft matches, the concavo-convex quantity in described location at least can make its spread length equal calibrated span, the concavo-convex shape in each described location is identical with size, concavo-convex center, each described location keeps changeless corresponding relation with described integer groove, and the concavo-convex centre-to-centre spacing in adjacent two described location is equal; When described original zero-bit aimed at by the mark of described front secondary chi, press described roller and described clutch is closed, the symmetrical centre of described locating shaft and locate concavo-convex center superposition described in certain, this location is concavo-convex, and to be initial location concavo-convex;
Described forward and backward secondary chi is separated a bit of distance in the orientation along described integer groove, is designated as δ ＇; Described front secondary chi and described rear secondary chi are provided with the stopping means cooperatively interacted, and described stopping means makes the maximum displacement distance ≯ δ ＇ of the relatively described front secondary chi of described rear secondary chi; When described clutch closes, the separating distance of described forward and backward secondary chi in the orientation along described integer groove, is designated as δ, δ ＇ > δ >=1 millimeter and equal a described location of row concavo-convex in the concavo-convex centre-to-centre spacing in adjacent two location;
The framework of described rear secondary chi extends protuberance to the direction near described original zero-bit, and it is inner that this protuberance extend into described front secondary chi, and this protuberance is fixed with a short tooth bar; One suppresses reed abuts described protuberance and described protuberance and described main scale downside is close to; The stem-winder of described band gear train is installed in described front secondary chi; Described gear train is meshed in the inner space of described front secondary chi with described short tooth bar, and the maximum of engagement travel is δ ＇;
The shift length of described front secondary chi relative to showing described rear secondary chi only measured by the mechanical dial gauge of described band gear train.
A kind of two zero-bit electronic watch slide calliper rule, comprise two zero-bit chi body and micrometer mechanism; Described pair of zero-bit chi body comprises main scale and secondary chi; Described micrometer mechanism is displacement of the lines electronic sensor; Described main scale has quiet measuring jaw and main scale chi body, and described main scale chi body is marked with the integer groove that distance is between two the integral multiple of 1 millimeter, and the initial integer groove nearest apart from quiet measuring jaw is original zero-bit; Described secondary chi contains described main scale chi body and can move relative to motionless or along described integer groove the orientation of described main scale chi body self-locking;
Described secondary chi has front secondary chi and rear secondary chi, and described rear secondary chi can move in limited range relative to described front secondary chi, and moving direction is parallel with the orientation of described integer groove; Described front secondary chi has momentum pawl and mark; The integer value measuring measured value is responsible for by described front secondary chi, and the difference measuring measured value and described integer value is responsible for by described rear secondary chi;
Described front secondary chi is a framework, described framework lower par pivots one lever, and this lever free end is provided with a roller that can freely rotate, and this roller is near the downside of described main scale chi body; Described lever and described rear secondary chi are provided with the clutch cooperatively interacted, press described roller when making it contact the downside of described main scale chi body, described deviation of lever, described clutch closes, now, described forward and backward secondary chi forms the rigid structure of synchronous shift; Unclamp described roller, described lever resets, and described clutch separately;
The also self-locking mechanism that is made up of lock shaft and Compress Spring of tool on described front secondary chi; Described lock shaft is provided with locking face and described main scale chi body closely supports, thus is locked on described main scale chi body by described front secondary chi and can not moves; Described lock shaft one end abuts described lever, the described lever power be applied on described lock shaft makes described locking face be separated with described main scale chi body, thus the locking state between described front secondary chi and described main scale chi body is removed, now described front secondary chi can move along the orientation of described integer groove; After the described lever power be applied on described lock shaft is cancelled, described Compress Spring makes described lock shaft reset, and makes described lock shaft return to the locking state closely supported with described main scale chi body;
Described rear secondary chi is also a framework, and after secondary chi have one only can along the locating shaft of direction of axis line movement, described locating shaft part is placed in framework, and described locating shaft is set with flexible member, and this flexible member can make described locating shaft reset after the external force making it produce displacement is cancelled;
It is concavo-convex that described main scale is provided with a registration, the radial section configuration of the shape that described location is concavo-convex and described locating shaft matches, the concavo-convex quantity in described location at least can make its spread length equal calibrated span, the concavo-convex shape in each described location is identical with size, concavo-convex center, each described location keeps changeless corresponding relation with described integer groove, and the concavo-convex centre-to-centre spacing in adjacent two described location is equal; When described original zero-bit aimed at by the mark of described front secondary chi, press described roller and described clutch is closed, the symmetrical centre of described locating shaft and locate concavo-convex center superposition described in certain, this location is concavo-convex, and to be initial location concavo-convex;
Described forward and backward secondary chi is separated a bit of distance in the orientation along described integer groove, is designated as δ ＇; Described front secondary chi and described rear secondary chi are provided with the stopping means cooperatively interacted, and described stopping means makes the maximum displacement distance ≯ δ ＇ of the relatively described front secondary chi of described rear secondary chi; When described clutch closes, the separating distance of described forward and backward secondary chi in the orientation along described integer groove, is designated as δ, δ ＇ > δ >=1 millimeter and equal a described location of row concavo-convex in the concavo-convex centre-to-centre spacing in adjacent two location;
Described displacement of the lines electronic sensor, has the waterproof sealing box being installed in described front secondary chi, and described waterproof sealing box is built with wiring board and moving grid plate, and described wiring board and moving grid plate are by coupling of circuits, and the maximum of coupling stroke is δ ＇; Described moving grid plate is connected with a driving shaft, and described driving shaft passes through and to reach described waterproof sealing box outside and affixed and drive described moving grid plate to move with described rear secondary chi synchronous linear with described rear secondary chi; Described waterproof sealing box surface is provided with electronic display, and described electronic display is electrically connected with described wiring board, and on it, the integer-bit of display is solidified as 0 when δ=2; Described driving shaft passes through described waterproof sealing box place and is provided with sealed bearing;
The shift length of described front secondary chi relative to showing described rear secondary chi only measured by described displacement of the lines electronic sensor.
A kind of two zero-bit electronic watch slide calliper rule, comprise two zero-bit chi body and micrometer mechanism; Described pair of zero-bit chi body comprises main scale and secondary chi; Described micrometer mechanism is angular displacement electronic sensor; Described main scale has quiet measuring jaw and main scale chi body, and described main scale chi body is marked with the integer groove that distance is between two the integral multiple of 1 millimeter, and the initial integer groove nearest apart from quiet measuring jaw is original zero-bit; Described secondary chi contains described main scale chi body and can move relative to motionless or along described integer groove the orientation of described main scale chi body self-locking;
Described secondary chi has front secondary chi and rear secondary chi, and described rear secondary chi can move in limited range relative to described front secondary chi, and moving direction is parallel with the orientation of described integer groove; Described front secondary chi has momentum pawl and mark; The integer value measuring measured value is responsible for by described front secondary chi, and the difference measuring measured value and described integer value is responsible for by described rear secondary chi;
Described front secondary chi is a framework, described framework lower par pivots one lever, and this lever free end is provided with a roller that can freely rotate, and this roller is near the downside of described main scale chi body; Described lever and described rear secondary chi are provided with the clutch cooperatively interacted, press described roller when making it contact the downside of described main scale chi body, described deviation of lever, described clutch closes, now, described forward and backward secondary chi forms the rigid structure of synchronous shift; Unclamp described roller, described lever resets, and described clutch separately;
The also self-locking mechanism that is made up of lock shaft and Compress Spring of tool on described front secondary chi; Described lock shaft is provided with locking face and described main scale chi body closely supports, thus is locked on described main scale chi body by described front secondary chi and can not moves; Described lock shaft one end abuts described lever, the described lever power be applied on described lock shaft makes described locking face be separated with described main scale chi body, thus the locking state between described front secondary chi and described main scale chi body is removed, now described front secondary chi can move along the orientation of described integer groove; After the described lever power be applied on described lock shaft is cancelled, described Compress Spring makes described lock shaft reset, and makes described lock shaft return to the locking state closely supported with described main scale chi body;
Described rear secondary chi is also a framework, and after secondary chi have one only can along the locating shaft of direction of axis line movement, described locating shaft part is placed in framework, and described locating shaft is set with flexible member, and this flexible member can make described locating shaft reset after the external force making it produce displacement is cancelled;
It is concavo-convex that described main scale is provided with a registration, the radial section configuration of the shape that described location is concavo-convex and described locating shaft matches, the concavo-convex quantity in described location at least can make its spread length equal calibrated span, the concavo-convex shape in each described location is identical with size, concavo-convex center, each described location keeps changeless corresponding relation with described integer groove, and the concavo-convex centre-to-centre spacing in adjacent two described location is equal; When described original zero-bit aimed at by the mark of described front secondary chi, press described roller and described clutch is closed, the symmetrical centre of described locating shaft and locate concavo-convex center superposition described in certain, this location is concavo-convex, and to be initial location concavo-convex;
Described forward and backward secondary chi is separated a bit of distance in the orientation along described integer groove, is designated as δ ＇; Described front secondary chi and described rear secondary chi are provided with the stopping means cooperatively interacted, and described stopping means makes the maximum displacement distance ≯ δ ＇ of the relatively described front secondary chi of described rear secondary chi; When described clutch closes, the separating distance of described forward and backward secondary chi in the orientation along described integer groove, is designated as δ, δ ＇ > δ >=1 millimeter and equal a described location of row concavo-convex in the concavo-convex centre-to-centre spacing in adjacent two location;
The framework of described rear secondary chi extends protuberance two to the direction near described original zero-bit, and it is inner that this protuberance two extend into described front secondary chi, and one suppresses reed two abuts described protuberance two and be close to described main scale downside by described protuberance two; A short tooth bar two is packed on protuberance two in the inner space of described front secondary chi;
Described angular displacement sensor has the gear train two be fixedly mounted with front secondary chi, and the output of described gear train two is a rotating shaft two; Described gear train two and described short tooth bar two tight mesh in the inner space of described front secondary chi, the maximum of engageable stroke is δ ＇; Described angular displacement sensor also has the waterproof sealing box two be fixedly mounted with described front secondary chi, and described rotating shaft two passes through and enters in described waterproof sealing box two, and there is waterproof sealing bearing two at the place of passing through; Described waterproof sealing box two is built with circuit board two, and described rotating shaft two is fixedly mounted with a circular moving grid sheet in described waterproof sealing box two, and described circular moving grid sheet can with described rotating shaft two synchronous axial system; Described circular moving grid sheet is coupled with described circuit board two-way oversampling circuit, by detecting the rotating cycle that described circular moving grid sheet produces because described short tooth bar two moves relative to the angle position of described circuit board two and described circular moving grid sheet, and the straight-line displacement distance that measurement described front secondary chi relative to showing described rear secondary chi occurs, the maximum of this straight-line displacement distance is δ ＇; Described waterproof sealing box two surface is provided with electronic display two, and described electronic display two is electrically connected with described wiring board two, and on it, the integer-bit of display is solidified as 0 when δ=2.
A kind of two zero-bit slide measure, comprises two zero-bit chi body and micrometer mechanism; Described pair of zero-bit chi body comprises main scale and secondary chi; Described micrometer mechanism is vernier subdividing device; Described main scale has quiet measuring jaw and main scale chi body, and described main scale chi body is marked with the integer groove that distance is between two the integral multiple of 1 millimeter, and the initial integer groove nearest apart from quiet measuring jaw is original zero-bit; Described secondary chi contains described main scale chi body and can move relative to motionless or along described integer groove the orientation of described main scale chi body self-locking;
Described secondary chi has front secondary chi and rear secondary chi, and described rear secondary chi can move in limited range relative to described front secondary chi, and moving direction is parallel with the orientation of described integer groove; Described front secondary chi has momentum pawl and mark; The integer value measuring measured value is responsible for by described front secondary chi, and the difference measuring measured value and described integer value is responsible for by described rear secondary chi;
Described front secondary chi is a framework, described framework lower par pivots one lever, and this lever free end is provided with a roller that can freely rotate, and this roller is near the downside of described main scale chi body; Described lever and described rear secondary chi are provided with the clutch cooperatively interacted, press described roller when making it contact the downside of described main scale chi body, described deviation of lever, described clutch closes, now, described forward and backward secondary chi forms the rigid structure of synchronous shift; Unclamp described roller, described lever resets, and described clutch separately;
The also self-locking mechanism that is made up of lock shaft and Compress Spring of tool on described front secondary chi; Described lock shaft is provided with locking face and described main scale chi body closely supports, thus is locked on described main scale chi body by described front secondary chi and can not moves; Described lock shaft one end abuts described lever, the described lever power be applied on described lock shaft makes described locking face be separated with described main scale chi body, thus the locking state between described front secondary chi and described main scale chi body is removed, now described front secondary chi can move along the orientation of described integer groove; After the described lever power be applied on described lock shaft is cancelled, described Compress Spring makes described lock shaft reset, and makes described lock shaft return to the locking state closely supported with described main scale chi body;
Described rear secondary chi is also a framework, and after secondary chi have one only can along the locating shaft of direction of axis line movement, described locating shaft part is placed in framework, and described locating shaft is set with flexible member, and this flexible member can make described locating shaft reset after the external force making it produce displacement is cancelled;
It is concavo-convex that described main scale is provided with a registration, the radial section configuration of the shape that described location is concavo-convex and described locating shaft matches, the concavo-convex quantity in described location at least can make its spread length equal calibrated span, the concavo-convex shape in each described location is identical with size, concavo-convex center, each described location keeps changeless corresponding relation with described integer groove, and the concavo-convex centre-to-centre spacing in adjacent two described location is equal; When described original zero-bit aimed at by the mark of described front secondary chi, press described roller and described clutch is closed, the symmetrical centre of described locating shaft and locate concavo-convex center superposition described in certain, this location is concavo-convex, and to be initial location concavo-convex;
Described forward and backward secondary chi is separated a bit of distance in the orientation along described integer groove, is designated as δ ＇; Described front secondary chi and described rear secondary chi are provided with the stopping means cooperatively interacted, and described stopping means makes the maximum displacement distance ≯ δ ＇ of the relatively described front secondary chi of described rear secondary chi; When described clutch closes, the separating distance of described forward and backward secondary chi in the orientation along described integer groove, is designated as δ, δ ＇ > δ >=1 millimeter and equal a described location of row concavo-convex in the concavo-convex centre-to-centre spacing in adjacent two location;
Described vernier subdividing device has the coulisse affixed with described front secondary chi and the actuator affixed with described rear secondary chi; Described coulisse is fixedly mounted with a straight-line displacement amplifier, the input of described straight-line displacement amplifier is provided with described actuator, output is provided with vernier cylinder, described vernier cylinder specification can slide in described coulisse, the shift length of described rear secondary chi is received by described actuator and after amplifying by described straight-line displacement amplifier, then exports to described vernier socket joint receipts; One to arrange distance be between two that the little groove of 1 millimeter is engraved on described coulisse, one section of vernier line to be engraved on described vernier cylinder and coplanar with described little groove, and the described vernier line that can move about and relatively-stationary described little groove form coplanar no parallax vernier reading device jointly;
The multiplication factor of maximum effective shift motion of the relatively described little groove of described vernier line to be δ K, K be described straight-line displacement amplifier; Multiplication factor K can choose as required, as K=10: described vernier line is arranged by 9 millimeters of spread lengths of described little groove being divided into 10 equal portions, the arrangement total length of described little groove is 10 × (δ+1), and the display precision of described vernier subdividing device is designated 0.01 millimeter;
Described vernier subdividing device only measures the shift length of described front secondary chi relative to showing described rear secondary chi.
Beneficial effect of the present invention: of the present invention pair of zero-bit caliper has broken the slide calliper rule designed older principle that never there is change bimillennium, have employed " two zero measurement " new principle, the four large technological limits that the modern slide calliper rule of the disposable comprehensive leap of energy face, make conventional known slide calliper rule produce unprecedented new change, technological progress is remarkable.Because effect is many-sided, linksystem, its more effect content will outline in a particular embodiment.
Accompanying drawing explanation
Fig. 1 is the design principle figure of of the present invention pair of zero-bit caliper;
Fig. 2 is the structural representation of of the present invention pair of zero-bit chi body;
Fig. 3 is another structural representation of of the present invention pair of zero-bit chi body, clear in order to show, and does not show the frame lid of framework 213 in figure;
Fig. 4 is the partial structurtes schematic diagram of of the present invention pair of zero-bit chi body, clear in order to show, and does not show main scale 100 in figure;
Fig. 5 is the structural representation of rear secondary chi of the present invention, clear in order to show, and does not show the frame lid of framework 222 in figure;
Fig. 6 is the package assembly schematic diagram of front secondary chi 210 and rear secondary chi 220, clear in order to show, and does not have to show the frame lid of front secondary chi 210 and the frame lid of rear secondary chi in figure;
Fig. 7 a is original zero-bit 111, front secondary chi 210, rear secondary chi 220, locate concavo-convex 150, integer groove 112
Ordering relationship structural representation between five, clear in order to show, the frame cover Partial Resection of secondary chi frame lid and front secondary chi 210 after in figure;
Fig. 7 b is the enlarged drawing at Fig. 7 aH place;
Fig. 8 a is the first design principle figure of of the present invention pair of zero-bit chi body fractional value display, clear in order to illustrate, and has moved apart above line of centres in figure by centre of sphere physical location from locating hole line of centres, Fig. 8 b ~ Fig. 8 d all with;
Fig. 8 b is the second design principle figure of of the present invention pair of zero-bit chi body fractional value display;
Fig. 8 c is the 3rd design principle figure of of the present invention pair of zero-bit chi body fractional value display;
Fig. 8 d is the 4th design principle figure of of the present invention pair of zero-bit chi body fractional value display;
Fig. 9 is the 3rd structural representation of of the present invention pair of zero-bit chi body, and in figure, clutch 400 is closure state;
Figure 10 a is the internal structure schematic diagram of of the present invention pair of zero-bit stem-winder slide calliper rule;
Figure 10 b is the external structure schematic diagram of of the present invention pair of zero-bit stem-winder slide calliper rule;
Figure 10 c is the mesh schematic representation of of the present invention pair of zero-bit stem-winder caliper rack and gear train;
Figure 11 a is the internal structure schematic diagram of of the present invention pair of zero-bit electronic watch slide calliper rule;
Figure 11 b is the external structure schematic diagram of of the present invention pair of zero-bit electronic watch slide calliper rule;
Figure 12 a is the structural representation of of the present invention pair of zero-bit electronic watch slide calliper rule, and these electronic watch slide calliper rule are made up of two zero-bit chi body and conventional known angular displacement electronic sensor;
The short tooth bar 701 that Figure 12 b is electronic watch slide calliper rule shown in Figure 12 a and the structural representation of gear train 900 tight mesh;
Figure 12 c is the internal structure schematic diagram of the waterproof sealing box 2 1000 of electronic watch slide calliper rule shown in Figure 12 a;
Figure 13 a is the external structure schematic diagram of of the present invention pair of zero-bit slide measure;
Figure 13 b is the enlarged drawing at Figure 13 a I place;
Figure 13 c is the A section reading figure of of the present invention pair of zero-bit slide measure when t=T;
Figure 13 d is the B section reading figure of of the present invention pair of zero-bit slide measure when t=T-1;
Figure 13 e is the partial structurtes schematic diagram of of the present invention pair of zero-bit slide measure, clear in order to show, and does not show vernier cylinder 215 in figure.
Detailed description of the invention
For the ease of understanding design principle and the embodiment of of the present invention pair of zero-bit caliper, below divide five portion details the present invention.
One, the design principle of of the present invention pair of zero-bit caliper
With reference to Fig. 1, the main scale of each slide calliper rule all indicates and maybe can indicate the integer groove that one group of least unit is 1 millimeter, and the initial value of this integer groove is " 0 ", be original zero-bit of the present invention.Slide calliper rule block measured object when measuring, and the position of a certain integer groove on main scale is always aimed at or crossed to the mark of slide calliper rule just, i.e. the position at measured value L place, and the numerical value that this integer groove represents is integer value L1 of the present invention.The position at this integer groove place is decimal zero-bit of the present invention.Distance value between decimal zero-bit and measured value is fractional value t of the present invention.Therefore, in the present invention, measured value L is integer value L1 and fractional value t sum.Namely the core of of the present invention pair of zero-bit caliper is optimize the measurement of fractional value t.
Two, the structure of of the present invention pair of zero-bit chi body
With reference to Fig. 2, described two zero-bit chi bodies, comprise two zero-bit chi body and micrometer mechanism; Described pair of zero-bit chi body comprises main scale 100 and contains the secondary chi 200 of main scale 100.Main scale 100 has quiet measuring jaw 120 and main scale chi body 110, and main scale chi body 110 subscript is marked with the integer groove 112 that distance is between two the integral multiple of 1 millimeter, and integer groove 112 the line up initial line nearest apart from quiet measuring jaw 120 is original zero-bit 111.Described secondary chi 200 has front secondary chi 210 and rear secondary chi 220, and front secondary chi 210 has mark 211 and momentum pawl 212; Rear secondary chi 220 can slide by relatively front secondary chi 210 within the specific limits, and its glide direction is parallel with the orientation of integer groove 112.In of the present invention pair of zero-bit chi body, front secondary chi 210 is responsible for measuring integer value, and the difference measuring measured value and described integer value is responsible for by rear secondary chi 220.
With reference to Fig. 3, front secondary chi 210 is frameworks 213, and the lower par pivots one of framework 213 only can around the lever 300 of center of circle O rotation, and the free end of lever 300 is provided with a roller that can freely rotate 310, and roller 310 is near the downside 130 of main scale 100.Lever 300 and rear secondary chi 220 are provided with the clutch 400 cooperatively interacted.Preferably, clutch 400 is the protuberance 410 of V-type and the recess 420 of V-type.Be separated a bit of distance between front secondary chi 210 and rear secondary chi 220, the maximum of this distance is designated as δ ＇; When clutch 400 tight closure, front secondary chi 210 and rear secondary chi 220 are formed can the rigid structure of synchronous shift, and the relative distance between front secondary chi 210 and rear secondary chi 220 is fixed value δ.Obviously, δ < δ ＇.
With reference to Fig. 3 and Fig. 4, front secondary chi 210 is also provided with the self-locking mechanism 500 be made up of lock shaft 510 and Compress Spring 520, lock shaft 510 there is locking face 511 closely support with the upper side 140 of main scale chi body 110, thus front secondary chi 210 is locked on main scale chi body 110 and can not moves freely; One end and the described Compress Spring 520 of lock shaft 510 are socketed, and the other end 512 abuts lever 300.When pressing roller 310 is to the downside 130 of its conflict main scale chi body 110, lever 300 deflects counterclockwise, thus promotion lock shaft 510 goes to compress Compress Spring 520, lock shaft 510 is subjected to displacement simultaneously, locking face 511 is made to leave the upper side 140 of main scale chi body 110, between front secondary chi 210 and main scale chi body 110, original locking state is removed, if now rubbing roller 310, secondary chi 200 just can be driven to move along the orientation of integer groove 112.After unclamping roller 310, Compress Spring 520 produces bounce makes lock shaft 510 reset, and locking state recovers, and simultaneously lock shaft 510 promotes lever 300 and resets clockwise.
With reference to Fig. 5, rear secondary chi 220 is also a framework 222.Framework 222 is a built-in locating shaft 600, preferably, this locating shaft 600 is ball head.The handle 630 that locating shaft 600 has axis body 610, bulb 620 and exposes, locating shaft 600 only can along its direction of axis line shift reciprocately; Axis body 610 is set with elastic spring 223, elastic spring 223 can make locating shaft 600 reset with bulb 620 after the external force making it be subjected to displacement is cancelled.
With reference to Fig. 6, front secondary chi framework 213 is provided with limited block 213a, and rear secondary chi framework 222 is provided with spacing hole 222a, and limited block 213a and spacing hole 222a cooperatively interacts, to limit the maximum moving distance ≯ δ ＇ of the relatively front secondary chi 210 of rear secondary chi 220.
With reference to Fig. 7 a and Fig. 7 b, it is concavo-convex that the downside 130 of main scale chi body 110 is provided with a registration, preferably, a described registration is concavo-convex be a registration hole 150(for sake of convenience, be designated as round 150); The shape of each locating hole (for sake of convenience, being designated as a hole 150 ') is all identical with size, and its internal diameter is less than the sphere diameter of bulb 620; Centre-to-centre spacing between every two adjacent holes 150 ' is all equal, and often the center in each and every one hole 150 ' all keeps fixed relationship one to one to the corresponding groove of certain root of integer groove 112, and this corresponding relation can be chosen as required and determine.For small-range slide calliper rule, often each and every one hole 150 ' preferably keeps fixed relationship one to one with the even number groove of integer groove 112, centre distance now between every two adjacent holes 150 ' is 2 millimeters, and the total quantity in individual hole 150 ' is at least the half of calibrated span numerical value.In order to clearly show the relation between described round 150 and described bulb 620, Fig. 7 b is the enlarged drawing at Fig. 7 aH place.
The original position of round 150 is determined like this: when the momentum pawl 212 of secondary chi 200 and the quiet measuring jaw 120 of main scale 100 close, namely before during the original zero-bit 111 of mark 211 pairs of pre-integral grooves 112 of secondary chi 210, pressing roller 310 makes clutch 400 tight closure, the centre of sphere of bulb 620 overlaps with the central coaxial in certain each and every one hole 150 ' just, and the position in this hole 150 ' is the original position of round 150.Now original zero-bit 111, front secondary chi 210, rear secondary chi 220, round 150, integer groove 112 just establish fixing ordering relationship between this, even throwing off because of clutch 400 causes ordering relationship to be damaged, as long as but clutch 400 closes, this ordering relationship will recover.To be not difficult reasoning: under the constraint of this ordering relationship, assuming that closed clutch 400, integrally synchronizing moving is to the centre of sphere of bulb 620 with when shown in Fig. 7 a, the central coaxial in the second each and every one hole 150 ' overlaps from left to right to make front secondary chi 210 and rear secondary chi 220, and the mark 211 of front secondary chi 210 will just to pre-integral groove " 2 ".By that analogy, forever remain the setting relation of 2 millimeters between front secondary chi 210 and rear secondary chi 220, these 2 millimeters is exactly the original set value δ of separating distance between front secondary chi 210 and rear secondary chi 220, i.e. δ=2, now δ ＇ is slightly larger than 2.For wide range slide calliper rule, often each and every one hole 150 ' can not be chosen and keep fixed relationship but choose other fixed correspondence one to one with the even number groove of integer groove 112, and at this moment the value of δ and δ ＇ is also corresponding changes to some extent.No matter choose the fixed relationship of which kind of correspondence, must δ >=1 be ensured.The following stated is all premised on δ=2.
Position determine after the center, hole in individual hole 150 ' be equivalent to described decimal zero-bit.
Individual hole 150 ' is equivalent to the position of described decimal zero-bit once determine, namely mean: current secondary chi 210 and rear secondary chi 220 synchronous shift and after leaving original zero-bit 111, when no matter, secondary chi 210 is positioned at any position on main scale chi body 110 and is locked in this position, as long as the bulb 620 of locating shaft 600 occurs mobile, when orientation along integer groove 112 goes to overlap with the central coaxial in certain each and every one hole 150 ' neighbouring, the radial side force of locating shaft 600 must drive rear secondary chi 220 to produce the displacement of secondary chi 210 relatively, and the shift length T of the relatively front secondary chi 210 of rear secondary chi 220, must to cross the distance t i.e. required fractional value measured of certain root integer groove relevant to the mark 211 of front secondary chi 210.The dependency relation of T and t is:
Suppose 1: when locating shaft 600 is only along axis single load bearing, bulb 620 automatic landing can enter in its certain nearest each and every one hole 150 ' and overlaps with the hole heart in this hole 150 ' is naturally coaxial, two kinds of results that now there will be two kinds of situations:
With reference to Fig. 8 a, when bulb 620 be along move close to original zero-bit 111 direction naturally coaxially overlap with the hole heart apart from its nearest individual hole 150 ' time because T+2=t+2, so t=T.
With reference to Fig. 8 b, when bulb 620 be along deviate from original zero-bit 111 direction move naturally coaxially overlap with the hole heart apart from its nearest individual hole 150 ' time because T=3-2-t, so t=1-T.
Suppose 2: when locating shaft 600 is axially with time stressed while of radial, bulb 620 can the resultant direction of power and radial load go to be forced to coaxial coincidence with the hole heart apart from its certain nearest each and every one hole 150 ' vertically, two kinds of results that now also there will be two kinds of situations:
With reference to Fig. 8 c, when bulb 620 be along deviate from original zero-bit 111 direction move be forced to coaxially overlap with the hole heart apart from its nearest individual hole 150 ' time because t+2=t '+2, so t=t '; Again because t '=2-T, so t=2-T.
With reference to Fig. 8 d, when bulb 620 be along move close to original zero-bit 111 direction be forced to coaxially overlap with the hole heart apart from its nearest individual hole 150 ' time because t+2=t '+2, so t=t '; Again because t '=T-1, so t=T-1.
4 kinds of above-mentioned dependency relations are design considerations that fractional value t shows.For the various micrometer mechanism of compatibility display characteristic and take into account operation psychology, need simultaneously and be design considerations with t=T and t=T-1.The necessary condition realizing this foundation is: 1. must remove to push ball head 600 along 3 o'clock direction and make bulb 620 be forced to fall into apart from its nearest last each and every one hole 150 ' (be front close to original zero-bit 111 direction); 2. must limited location device with absolute prohibition bulb 620 fall into nearest apart from it after hole 150 ' (it is rear for deviating from original zero-bit 111 direction) one by one, and absolute prohibition bulb 620 surmounts apart from its nearest each and every one hole 150 ' last and falls into each and every one hole 150 ' more last.Because T value will not be greater than 2 millimeters, before free separating distance δ ' between secondary chi 210 and rear secondary chi 220 select slightly larger than 2 millimeters of scopes.
With reference to Fig. 9, described pair of zero-bit chi body is work like this:
Step one: thumb press rubbing roller 310, moving sets chi 200.
No matter secondary chi 200 is positioned at any position on main scale chi body 110, also no matter whether the V-type protuberance 410 of clutch 400 and V-type recess 420 depart from, as long as thumb press roller 310 makes it contact the downside 130 of main scale chi body 110, just there is deflection counterclockwise at once in lever 300, front secondary chi 210 self-locking state original with main scale chi body 110 is removed, and front secondary chi 210 can move freely along main scale chi body 110; V-type protuberance 410 is drawn close until fit tightly to V-type recess 420 simultaneously, and clutch 400 closes, and make forward and backward secondary chi 210 and 220 form the entirety of a rigidity, front secondary chi 210 can drive rear secondary chi 220 synchronizing moving; Separating distance simultaneously between front secondary chi 210 and rear secondary chi 220 is restored to original set value δ.Now also can there is no relative motion between front secondary chi 210 and rear secondary chi 220.In order to make the pressing force of thumb can be applied directly to all the time on lever 300, to ensure that clutch 400 can fully reliably close, the pressing force of thumb can be made again to be applied to roller 310 gives rubbing to make secondary chi 200 occur displacement simultaneously.Preferably, the periphery 311 of roller 310 be designed to concordant with the edge surface 301 of lever 300.
Step 2: thumb leaves roller 310.
When secondary chi 200 move to locate time, that numerical value representated by root integer groove that the mark 211 of front secondary chi 210 is just aimed at or crossed is the integer value L1 that the present invention defines.Now thumb stops rubbing and leaves roller 310, and pressing force is cancelled, and front secondary chi 210 recovers self-locking state again at once and no longer can move freely; Meanwhile, there is counterclockwise deflection in lever 300, and the V-type protuberance 410 of clutch 400 leaves V-type recess 420, and clutch 400 is separated.Front secondary chi 210 now and rear secondary chi 220 are no longer the entirety of a rigidity, rear secondary chi 220 can motionless by self-locking relatively again before secondary chi 210 there is displacement.
Step 3: thumb press ball head.
After thumb leaves roller 310, the sliding left side that is moved to of taking advantage of a situation is gone to promote by 3 o'clock direction and presses the handle 630 that locating shaft 600 exposes, make bulb 620 along to be forced to enter close to front secondary chi 210 direction in immediate with it hole 150 ' until can not continue to promote and pressing, the hole heart in individual hole 150 ' that now centre of sphere of bulb 620 enters with it must coaxially overlap.Rear secondary chi 220 under the drive of locating shaft 600 radial load, also can along with the movement of bulb 620 synchronous shift same distance.
So far, the course of work of described pair of zero-bit chi body terminates.If front secondary chi 210 and rear secondary chi 220 have been installed respectively the relative motion part of micrometer mechanism, then described micrometer mechanism will measure the displacement of front secondary chi 210 relative to demonstrating secondary chi 220 after in step 3 process, and namely this displacement is the fractional value t that the present invention defines.The integer value L1 of gained in step 2 process is added with fractional value t, just obtains a complete measured value.
Though the of the present invention pair of zero-bit chi body is more than the operation of conventional known slide calliper rule, a pushing locating shaft 600 exposes the action of handle 630, but it can meet the requirement of two zero measurement thus can bring unprecedented change to slide calliper rule, and This move itself also separately has two technological values and beneficial effect that can not be ignored simultaneously:
1. realize permanent dynamometry to measure.The power no matter thumb press exposes handle 630 has much, on the momentum pawl 212 that all can not be delivered to front secondary chi 210 thus the state contacting tested surface with momentum pawl 212 have nothing to do, and have nothing to do with the show value of micrometer mechanism, thus achieve permanent dynamometry to measure, avoid the indicating value difference caused due to ergometry difference, make measurement result more unanimously objective, which thereby enhance the Transfer Quality of value, this is that any modern slide calliper rule are all thirsted for realizing but unconsummated leap.
2. realize survey to read to be separated.After the momentum pawl 212 of front secondary chi 210 contacts with tested surface, front secondary chi 210 is in strength self-locking state, now dynamic and static measuring jaw 212 and 120 can be moved apart gently makes slide calliper rule leave measured piece, handle 630 and then reading is exposed again in the pushing of going down of the body gesture of the most comfortable, thus achieve survey to read to be separated, favourable to the measurement of creating obstacles position.
Three, of the present invention pair of zero-bit stem-winder slide calliper rule
The reading efficiency of dial caliper is higher than slide measure, and reliability and the requirement to environment for use are all better than electronic caliper, thus has huge use crowd.Current known dial caliper without exception all: tooth bar is packed on main scale, band gear dial gauge be packed on secondary chi, wheel and rack remains engagement, and the length of tooth bar must be greater than calibrated span.The disadvantage of this structure formula is: 1. tooth bar manufacture difficulty is large, process costs is high.For the metric system tooth bar of display precision 0.02 millimeter, its modulus is only 0.19894, whole depth only have 0.45 millimeter, tooth bar overall width 3.2 millimeters, gross thickness 1.6 millimeters.For this not only narrow but also thin accurate tooth bar, beyond doubt more shortly more easily to manufacture, more long be more difficult to manufacture even cannot manufacture.Just because of this, the maximum range of current dial caliper cannot be compared with electronic caliper with slide measure, and both maximum ranges have accomplished at least 4 meters afterwards, and at present even be all still blank more than the dial caliper of 1 meter of range.2. certainty of measurement is difficult to ensure.Because the tooth bar as measuring basis element is thin, narrow, long, even if tooth bar manufactures qualified but having enough to meet the need and installing in the process of tooth bar, also can produce distortion, namely tooth bar distortion means that measuring basis has deviation, and certainty of measurement is difficult to reach gamut all accurately.3. service life is short.In the use procedure of dial caliper, it can move in (pulling open and loopback) process from the long distance fast reciprocating of original zero-bit arrival measured point in momentum face, gear and tooth bar are doing violent engaged transmission all the time, when measuring the reset of complete zero, gear and tooth bar do reverse length again apart from violent engaged transmission, the frequency of occurrences of this violent engaged transmission is high, and invalid wearing and tearing are extremely huge.In one-shot measurement process, the invalid wearing and tearing transmission of gear and tooth bar accounts for 99%, substantially reduces the Acceptable life of toothed element.4. general, the tooth bar of known dial caliper is open when measuring, and do not have protective capacities, the foreign matters such as tiny iron filings and grinding grain unobstructedly can fall between cog, more can not be applied to dust occasion; Its between cog of open tooth bar also easily forms greasy filth incrustation, so that slide calliper rule are easy to occur pulling the phenomenon freely or by force not pulling and cause damage.The open defect of tooth bar has perplexed measurer circle decades, until a kind of high protection dial caliper of No. 200620006379.8 Chinese patent publicities, just solve the open problem of tooth bar first, unfortunately, this invention does not solve the extremely huge problem of the invalid wearing and tearing of toothed element.
The object of of the present invention pair of zero-bit stem-winder slide calliper rule is: realize a kind of short tooth bar, long-life, high protection, permanent dynamometry, energy self-locking, survey and read separable Purely mechanical dial caliper.
It is achieved in that a kind of two zero-bit stem-winder slide calliper rule, and by of the present invention pair of zero-bit chi body and micrometer mechanism, described micrometer mechanism is that conventional known mechanical scale 700 forms; Rack-and-pinion maximum engagement stroke needed for described mechanical scale 700 is δ ＇, but much smaller than calibrated span.
With reference to Figure 10 a, Figure 10 b and Figure 10 c.In of the present invention pair of zero-bit chi body, the framework 222 of rear secondary chi 220 extends protuberance 224, and it is inner that protuberance 224 extends to front secondary chi 210, and be close to main scale downside 130 under the effect of suppressing reed 225.Be fixedly mounted with on protuberance 224 in the inner space of front secondary chi 210 by a short tooth bar 701, and engage with the gear train 702 of the mechanical scale 700 be packed on front secondary chi 210, engageable stroke is δ ＇.By the job step of described pair of zero-bit chi body, the measurement operation of described pair of zero-bit stem-winder slide calliper rule can be completed.Number reading method and the conventional known dial caliper of described pair of zero-bit stem-winder slide calliper rule are just the same: first read the integer on main scale, then the decimal that meter reading dish is expressed by circular scale, then are added by two numbers, are measured value.
Of the present invention pair of zero-bit stem-winder slide calliper rule have following technique effect:
1. breach tooth bar length and must be greater than this technology forbidden zone never crossed over so far from the beginning of the seventies in last century of calibrated span, tooth bar significantly shortens, easy to manufacture, not yielding, and mounting and adjusting is convenient, and slide calliper rule precision is easy to ensure.2. only there is the effective engaged transmission of necessity of minimum distance between gear and tooth bar, thus the invalid wearing and tearing of toothed element are extremely small, and therefore slide calliper rule significantly improve service life.Conventional belt table kind of calliper median 75 mm length for range 150 millimeters, display precision 0.02 millimeter: slide calliper rule pull open the two ends of blocking 75 mm lengths from closure state, the secondary chi of slide calliper rule at least needs mobile 75 millimeters; After measurement, slide calliper rule reset to closure state, need again mobile at least 75 millimeters, move 75 millimeters × 2=150 millimeter altogether for twice.The scale that display precision is 0.02 millimeter is that pointer often turns around is 2 millimeters, and therefore the pointer of scale has turned 150 ÷ 2=75 altogether and encloses.And for two zero-bit stem-winder slide calliper rule of identical range, identical display precision, identical measuring process, when being applied to t=T, only need rotate half-turn i.e. 0.5 circle just can complete measuring process to hand of dial at the most.Both compare, and 75 enclose ÷ 0.5 encloses=and 150 times.When being applied to t=T-1, also only need rotation 1 to enclose at the most and just can complete measuring process, both compare, and 75 enclose ÷ 1 encloses=and 75 times.So the wear extent of two zero-bit stem-winder slide calliper rule gear train significantly reduces than traditional dial caliper, tested length is longer, and the reduction of the invalid wearing and tearing of gear train is more remarkable.3. can manufacture the range wide range dial caliper (as 3 meter rulers, 4 meter rulers) grown the same as slide measure and electronic caliper, fill up manufacturing gap.4. the airtight antipollution of tooth bar, the granular foreign matters of infringement profile of tooth enters, and space width can not change.The height protection dial caliper of No. 200620006379.8 Chinese patent institutes publicity that protective capacities is the highest relatively at present, the tooth bar protective capacities of this chi is higher, can be sealing state, when needing, known dial caliper IP60 level too far behind to catch up can be brought up to greatly to the protective capacities of solid pollution material.5. because front secondary chi and rear secondary chi are opened, are relative static conditions in loopback and reseting procedure on main scale, the pointer of scale be do not turn, namely there is no engaged transmission between gear and tooth bar, therefore pull quick and stable more, measure efficiency therefore higher.6. relatively traditional dial caliper, the installation of tooth bar does not tie up main scale area, several times that thus integer groove plane is spacious, more clear, more easily distinguish and read.7. scale used without the need to special Design and manufacture separately, the highly versatile of core component.8. ergometry is constant, the impact of size of not exerting oneself by gauger, and avoid the indicating value difference caused due to ergometry difference, measurement result is more unanimously objective, improves the Transfer Quality of value.9. can survey and read to be separated, for the diameter measurement in depth survey or engine lathe operation or other measurement of creating obstacles position especially aobvious convenient, do not need torticollis to twist to go reading or cannot reading.10. strength self-locking function is possessed.Relatively traditional self-locking caliber rule, self-lock force is more powerful, but it is far away more easily laborsaving because of lever again to remove self-locking.
Four, of the present invention pair of zero-bit electronic watch slide calliper rule
The reading of electronic caliper is most effective, but the common volume grate electronic slide calliper rule of IP54 or lower protection level are very responsive to oily wastewater pollution.The present situation of current known electronic caliper is: in order to overcome the water funk defect being afraid of oil of volume grate electronic slide calliper rule, countries in the world manufacturer is Development and Production waterproof electronic caliper in succession.The waterproof electronic caliper of successful Application has two classes at present, and a class is the principle waterproof electronic caliper of non-appearance grid, and another kind of is the structurally waterproof electronic caliper holding the making of grid principle with angular displacement.Although the former has the ability of waterproof, but abandon the advantage that the power consumption of volume grate electronic sensor is economic, be not afraid of strong magnetic, although the latter reaches the object of waterproof, do not solve the long-range dynamic seal (packing) problem of tooth bar, in dust atmosphere, operating mode is not good, and complex protection capability is not enough.Holding waterproof electronic caliper that grid principles makes by displacement of the lines so far there are no and emerge, trace it to its cause, is because will to realize in very limited space and the dynamic water seal of long grizzly bar that main scale is isometric is generally acknowledged high-leveled and difficult problem.But displacement of the lines capacitor grid transducer all has powerful advantages at aspects such as technology maturity, production lot, cost performance, battery durable power, diamagnetic performances, abandon the single goal that so many advantages go to reach waterproof, technology is of a high price.
The object of of the present invention pair of zero-bit electronic watch slide calliper rule is: realize a kind of permanent dynamometry, energy self-locking, survey and read separable, that various electronic displacement sensor can be adopted to make accurate electronic type waterproof slide calliper rule.
It is achieved in that a kind of two zero-bit electronic watch slide calliper rule, and by of the present invention pair of zero-bit chi body and micrometer mechanism, described micrometer mechanism is conventional known various displacement of the lines electronic sensor compositions; Described displacement of the lines electronic sensor, comprises capacitance grating line displacement electron sensor; The maximum coupling stroke of described displacement of the lines electronic sensor slightly larger than described original set value δ, but much smaller than calibrated span.
With reference to Figure 11 a and Figure 11 b, in of the present invention pair of zero-bit chi body, front secondary chi 210 has been fixedly mounted with a waterproof sealing box 800, it is inner that all electronic units such as circuit board 801 are installed in waterproof sealing box 800.A driving shaft 225 is fixedly mounted with rear secondary chi 220.Driving shaft 225 passes through and extend in the inner space of waterproof sealing box 800, and secondary chi 220 is synchronously static or mobile subsequently to drive the moving grid plate 802 of waterproof sealing box 800 inside.Have coupling of circuits between moving grid plate 802 and circuit board 801, coupling stroke is slightly larger than described original set value δ.Driving shaft 225 is equipped with sealed bearing (not shown) with the place of passing through of waterproof sealing box 800, can waterproof, grease proofing, dust-proof.Integer-bit shown by electronic display 803 is solidified as 0 by processing of circuit.By the job step of described pair of zero-bit chi body, the measurement operation of described pair of zero-bit electronic watch slide calliper rule can be completed.Number reading method and the conventional known dial caliper of described pair of zero-bit electronic watch slide calliper rule are just the same: first read the integer on main scale, then read directly by the decimal of numerical monitor on display screen, then are added by two numbers, are measured value.
Described electronic watch slide calliper rule also can adopt various angular displacement electronic sensor, described angular displacement electronic sensor, comprise and hold gating angular displacement electronic sensor.It is achieved in that a kind of two zero-bit electronic watch slide calliper rule, and by of the present invention pair of zero-bit chi body and micrometer mechanism, described micrometer mechanism is conventional known angular displacement electronic sensor composition;
With reference to Figure 10 a, Figure 12 a, Figure 12 b and Figure 12 c, in of the present invention pair of zero-bit chi body, the framework 222 of rear secondary chi 220 extends protuberance 2 224 to the direction near described original zero-bit ', this protuberance 2 224 ' extend into front secondary chi 210 inside, one suppresses reed 2 225 ' abut protuberance 2 224 ' by protuberance 2 224 ' be close to main scale downside 130; A short tooth bar 2 701 ' in the inner space of front secondary chi 210, be packed in protuberance 2 224 ' on.
Described angular displacement sensor has the gear train 2 900 be fixedly mounted with front secondary chi, and the output of gear train 2 900 is rotating shaft 2 901; Gear train 2 900 and short tooth bar 2 701 ' tight mesh in the inner space of front secondary chi 210, the maximum of engageable stroke is δ ＇; Described angular displacement sensor also has the waterproof sealing box 2 1000 be fixedly mounted with front secondary chi 210, and rotating shaft 2 901 passes through and to enter waterproof sealing box 2 1000 inner, and there is waterproof sealing bearing 2 1001 at the place of passing through, can waterproof, grease proofing, dust-proof.
It is inner that all electronic units such as circuit board 2 1002 are installed in waterproof sealing box 2 1000.Circular moving grid sheet 2 1003 is fixedly mounted with rotating shaft 2 901 waterproof sealing box 2 1000 is inner, can with rotating shaft 2 901 synchronous rotary or static.Coupling of circuits is had between circular moving grid sheet 2 1003 and circuit board 2 1002, by detecting the angle position of circular moving grid sheet 2 1003 opposing circuit board 2 1002 and circular moving grid sheet 2 1003 because of short tooth bar 2 701 ' the mobile and rotating cycle that produces, the straight-line displacement distance that front secondary chi 210 relative to showing rear secondary chi 220 occurs can be measured.Integer-bit shown by electronic display 2 1004 is solidified as 0 by processing of circuit.By the job step of described pair of zero-bit chi body, the measurement operation of described pair of zero-bit electronic watch slide calliper rule can be completed.Number reading method and the conventional known dial caliper of described pair of zero-bit electronic watch slide calliper rule are just the same: first read the integer on main scale, then read directly by the decimal of numerical monitor on display screen, then are added by two numbers, are measured value.
Of the present invention pair of zero-bit electronic watch slide calliper rule have following technique effect:
1. the various displacement of the lines and angular displacement electronic sensor that comprise and hold grid can be adopted to make waterproof electronic caliper, the water-proof function of electronic caliper can be obtained with low technology cost, the comprehensive advantages such as capacitor grid transducer power consumption is economized, diamagnetic ability is strong, cheap can be played.2. complex protection capability is powerful, no matter profile of tooth mechanical organ or electronic component, and all can resist solid-state with liquid pollution, degree of protection at least can reach IP65; 3. the advantage of conventional known dial caliper and conventional known electronic caliper is had both, fractional value direct digital display, higher than the reading efficiency of conventional known dial caliper, wider than the scope of application of the common volume grate electronic slide calliper rule of IP54 or lower protection level.Add the new varieties had no precedent 4. to slide calliper rule family, there is very strong practicality, be particularly suitable for rapidly and efficiently measuring in the environment having oily wastewater pollution.5. it is easily laborsaving that dynamometry is constant, separation, strength self-locking, unblock are read in survey.
Five, of the present invention pair of zero-bit slide measure
Slide measure is that its uses reliable by being amplified thus the most frequently used instrument of accurate measuring length by small quantity, but due to the groove of vernier intensive, generally will have 51 vernier lines, thus difficult judgment, reading efficiency are low.Tradition slide measure also due to by the restriction of living human eye's resolution limit, generally believe its display precision the highest can only reach 0.02 millimeter and can not be high again (namely the most accurate slide calliper rule vernier subdividing device can only be divided into 50 parts by 49 millimeters).Although slide calliper rule vernier subdividing device can be arranged by display precision 0.01 millimeter completely and (be divided into 100 parts by 99 millimeters in theory with in manufacturing technology, as the publicity of No. 200710300811.3 Chinese patent institutes), but because 0.01 millimeter close to the resolving power of the eye limit 0.006 millimeter, thus such height segmentation vernier device in judge any root line overlap the most alignment extremely difficult, even if at this moment adopt magnifying glass, also only doubly amplify same for gap between line, have no to help to judgement, thus such height segmentation vernier is arranged on slide calliper rule does not have practicality.Also the vernier length measurer once having display precision can reach 0.01 millimeter occurs in the literature, but its profile and slide calliper rule far apart, be not slide calliper rule.So slide measure is since appearance, the products in kind of display precision 0.01 millimeter has not been had to emerge.
The object of of the present invention pair of zero-bit slide measure is: realize a kind of permanent dynamometry, can self-locking, survey read separable, display precision is higher than 0.02 millimeter but more easily distinguish the Novel vernier caliper read.
It is achieved in that a kind of two zero-bit slide measure, and by of the present invention pair of zero-bit chi body and micrometer mechanism, described micrometer mechanism is conventional known vernier subdividing device, and a straight-line displacement amplifier composition.Maximum effective shift motion of described vernier subdividing device is δ K, δ is original set value of the present invention, and K is the multiplication factor of described straight-line displacement amplifier.δ K is much smaller than calibrated span.
With reference to Figure 13 a, Figure 13 b.On of the present invention pair of zero-bit chi body, drive rod 226 and rear secondary chi 220 are fixedly mounted with, can secondary chi 220 is synchronously static or mobile subsequently; One piece of coulisse 214 and front secondary chi 210 are fixedly mounted with, vernier cylinder 215 can in the chute of coulisse 214 being free to slide of specification; Between drive rod 226 and vernier cylinder 215, a straight-line displacement amplifier 216 is had to be packed on coulisse 214.The displacement equations amount K of straight-line displacement amplifier 216 can choose as required, and preferred displacement equations amount is K=10.Drive rod 226 is by the amount of movement of rear secondary chi 220 input straight-line displacement amplifier 216, after this amount of movement amplifies by straight-line displacement amplifier 216, then export to vernier cylinder 215 and receive, that is, when rear secondary chi 220 moves 0.01 millimeter, vernier cylinder 215 can move 0.1 millimeter in the same way.One to arrange distance be between two that the little groove 217 of 1 millimeter is engraved on the inclined-plane of coulisse 214, one section of vernier line 218 is engraved on inclined-plane coplanar with little groove 217 on vernier cylinder 215, vernier line 218 and the relatively-stationary little groove 217 that can move about form coplanar no parallax vernier subdividing device jointly, and the relatively-movable maximum of this vernier subdividing device is slightly larger than 10 δ.Vernier line 218 on vernier cylinder 215 is by display precision 0.1 millimeter setting (9 millimeters by little groove 217 are divided into 10 equal portions), because it is exaggerated the accuracy value of 10 times, thus this accuracy value reduces 10 times is 0.01 millimeter afterwards in fact, though so vernier line 218 is by precision 0.1 millimeter setting, the precision indicated is every lattice 0.01 millimeter.The arrangement total length of little groove 217 adds 1 millimeter by maximum effective amount of movement 2 millimeters of the relatively front secondary chi 210 of rear secondary chi 220 and then takes advantage of 10 times of settings, and it is divided into A, B two sections application:
With reference to Figure 13 c, when being applied to t=T, because the amount of movement T of rear secondary chi 220 is 1 millimeter to the maximum, now, if t=T=0.99 millimeter, it is 9.9 millimeters after then amplifying 10 times, namely when after, secondary chi 220 moves 0.99 millimeter, vernier cylinder 215 will move 9.9 millimeters, on the vernier subdividing device that vernier line 218 and little groove 217 form, the numerical value read is 0.99, conforms to actual.What be now applied to is the A section shown in Figure 13 c.
With reference to Figure 13 d, when being applied to t=T-1, because the amount of movement T of described rear secondary chi 200 is 2 millimeters to the maximum, now, if t=0.99 millimeter, then T=t+1=1.99 millimeter is 19.9 millimeters after amplifying 10 times, when namely, secondary chi 220 moves 1.99 millimeters, vernier cylinder 215 will move 19.9 millimeters, on the vernier subdividing device that vernier line 218 and little groove 217 form, the numerical value of reading is 0.99, conforms to actual.What be now applied to is the B section shown in Figure 13 d.
With reference to Figure 13 e, one end of extension spring 219 and vernier cylinder 215 are in inner hooking (not shown), and the other end and straight-line displacement amplifier 216 hooking, vernier cylinder 215 abuts with the output 216a of straight-line displacement amplifier 216 in inside.When the output of straight-line displacement amplifier 216 stretches out along diagram left end direction, vernier cylinder 215 displacement in the same way, extension spring 219 is elongated; When ordering about after power that output 216a stretches out disappears, the recuperability of extension spring 219 order about vernier cylinder 215 oppositely displacement to reset zero, output 216a also resets along diagram right-hand member direction retraction because being supported by vernier cylinder 215 simultaneously.
By the job step of described pair of zero-bit chi body, the measurement operation of described pair of zero-bit slide measure can be completed.Number reading method and the conventional known slide measure of described pair of zero-bit slide measure are as broad as long, and gauger is A section or B section without the need to what note application, only need by line reading.
Of the present invention pair of zero-bit slide measure has following technique effect:
1. display precision can up to or higher than (as K > 10) 0.01 millimeter.2. because vernier subdividing device presses display precision 0.1 millimeter setting, therefore groove is rare, only has 11 vernier lines, is therefore very easy to distinguish and reads, than display precision 0.02 millimeter traditional slide measure also easy distinguishing read 0.1 ÷ 0.02=5 doubly.3. it is easily laborsaving that dynamometry is constant, separation, strength self-locking, unblock are read in survey.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, its framework form can be flexible and changeable, can subseries product.Just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that claims that the present invention submits to are determined.
Claims (1)
1. two zero-bit electronic watch slide calliper rule, comprise two zero-bit chi body and micrometer mechanism; Described pair of zero-bit chi body comprises main scale and secondary chi; Described micrometer mechanism is displacement of the lines electronic sensor; Described main scale has quiet measuring jaw and main scale chi body, and described main scale chi body is marked with the integer groove that distance is between two the integral multiple of 1 millimeter, and the initial integer groove nearest apart from quiet measuring jaw is original zero-bit; Described secondary chi contains described main scale chi body and can move relative to motionless or along described integer groove the orientation of described main scale chi body self-locking; It is characterized in that:
Described secondary chi has front secondary chi and rear secondary chi, and described rear secondary chi can move in limited range relative to described front secondary chi, and moving direction is parallel with the orientation of described integer groove; Described front secondary chi has momentum pawl and mark; The integer value measuring measured value is responsible for by described front secondary chi, and the difference measuring measured value and described integer value is responsible for by described rear secondary chi;
Described front secondary chi is a framework, described framework lower par pivots one lever, and this lever free end is provided with a roller that can freely rotate, and this roller is near the downside of described main scale chi body; Described lever and described rear secondary chi are provided with the clutch cooperatively interacted, press described roller when making it contact the downside of described main scale chi body, described deviation of lever, described clutch closes, now, described forward and backward secondary chi forms the rigid structure of synchronous shift; Unclamp described roller, described lever resets, and described clutch separately;
The also self-locking mechanism that is made up of lock shaft and Compress Spring of tool on described front secondary chi; Described lock shaft is provided with locking face and described main scale chi body closely supports, thus is locked on described main scale chi body by described front secondary chi and can not moves; Described lock shaft one end abuts described lever, the described lever power be applied on described lock shaft makes described locking face be separated with described main scale chi body, thus the locking state between described front secondary chi and described main scale chi body is removed, now described front secondary chi can move along the orientation of described integer groove; After the described lever power be applied on described lock shaft is cancelled, described Compress Spring makes described lock shaft reset, and makes described lock shaft return to the locking state closely supported with described main scale chi body;
Described rear secondary chi is also a framework, and after secondary chi have one only can along the locating shaft of direction of axis line movement, described locating shaft part is placed in framework, and described locating shaft is set with flexible member, and this flexible member can make described locating shaft reset after the external force making it produce displacement is cancelled;
It is concavo-convex that described main scale is provided with a registration, the radial section configuration of the shape that described location is concavo-convex and described locating shaft matches, the concavo-convex quantity in described location at least can make its spread length equal calibrated span, the concavo-convex shape in each described location is identical with size, concavo-convex center, each described location keeps changeless corresponding relation with described integer groove, and the concavo-convex centre-to-centre spacing in adjacent two described location is equal; When described original zero-bit aimed at by the mark of described front secondary chi, press described roller and described clutch is closed, the symmetrical centre of described locating shaft and locate concavo-convex center superposition described in certain, this location is concavo-convex, and to be initial location concavo-convex;
Described forward and backward secondary chi is separated a bit of distance in the orientation along described integer groove, is designated as δ ＇; Described front secondary chi and described rear secondary chi are provided with the stopping means cooperatively interacted, and described stopping means makes the maximum displacement distance ≯ δ ＇ of the relatively described front secondary chi of described rear secondary chi; When described clutch closes, the separating distance of described forward and backward secondary chi in the orientation along described integer groove, is designated as δ, δ ＇ > δ >=1 millimeter and equal a described location of row concavo-convex in the concavo-convex centre-to-centre spacing in adjacent two location;
Described displacement of the lines electronic sensor, has the waterproof sealing box being installed in described front secondary chi, and described waterproof sealing box is built with wiring board and moving grid plate, and described wiring board and moving grid plate are by coupling of circuits, and the maximum of coupling stroke is δ ＇; Described moving grid plate is connected with a driving shaft, and described driving shaft passes through and to reach described waterproof sealing box outside and affixed and drive described moving grid plate to move with described rear secondary chi synchronous linear with described rear secondary chi; Described waterproof sealing box surface is provided with electronic display, and described electronic display is electrically connected with described wiring board, and on it, the integer-bit of display is solidified as 0 when δ=2 millimeter; Described driving shaft passes through described waterproof sealing box place and is provided with sealed bearing;
The shift length of described front secondary chi relative to showing described rear secondary chi only measured by described displacement of the lines electronic sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210362721.8A CN102944152B (en) | 2011-09-26 | 2011-09-26 | Double-zero electronic watch caliper |
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| CN201210362721.8A CN102944152B (en) | 2011-09-26 | 2011-09-26 | Double-zero electronic watch caliper |
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| CN 201110288801 Division CN102331213B (en) | 2011-09-26 | 2011-09-26 | Double-zero-position caliper |
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| CN102944152A CN102944152A (en) | 2013-02-27 |
| CN102944152B true CN102944152B (en) | 2015-04-29 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1242510A (en) * | 1998-07-21 | 2000-01-26 | 陈其良 | Electric capacity digital display calliper |
| CN101210793A (en) * | 2006-12-29 | 2008-07-02 | 本溪钢铁(集团)有限责任公司 | Multifunctional calipers |
| CN101393004A (en) * | 2006-12-27 | 2009-03-25 | 刘其和 | Special caliper for shaft key groove |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56108901A (en) * | 1980-02-01 | 1981-08-28 | Ono Sokki Co Ltd | Slide calipers gauge |
| SE523803C2 (en) * | 2001-09-18 | 2004-05-18 | Hagloef Sweden Ab | Klave for measuring tree diameter |
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2011
- 2011-09-26 CN CN201210362721.8A patent/CN102944152B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1242510A (en) * | 1998-07-21 | 2000-01-26 | 陈其良 | Electric capacity digital display calliper |
| CN101393004A (en) * | 2006-12-27 | 2009-03-25 | 刘其和 | Special caliper for shaft key groove |
| CN101210793A (en) * | 2006-12-29 | 2008-07-02 | 本溪钢铁(集团)有限责任公司 | Multifunctional calipers |
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