CN104406495A - Lever gear type mechanism of accurate inner circle measurement instrument - Google Patents
Lever gear type mechanism of accurate inner circle measurement instrument Download PDFInfo
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- CN104406495A CN104406495A CN201410732641.6A CN201410732641A CN104406495A CN 104406495 A CN104406495 A CN 104406495A CN 201410732641 A CN201410732641 A CN 201410732641A CN 104406495 A CN104406495 A CN 104406495A
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- curved bar
- base body
- mast
- measurement instrument
- inner circle
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a lever gear type mechanism of an accurate inner circle measurement instrument. The lever gear type mechanism comprises a base body and a sleeve arranged below the base body, wherein a pin, a ball, a tension spring and a contact pin which are horizontally connected in sequence are arranged inside the sleeve; a measuring head is arranged below the sleeve; an inner hole cavity is arranged inside the base body; a curved bar and a button which passes through the outer wall of the base body are arranged in the inner cavity; the curved bar is hinged to the inner wall of the inner hole cavity; one end of the curved bar is connected with the button; a gear is connected with the other end of the curved bar; the gear is connected with a pointer; the curved bar is connected with a vertical column rod which is hinged to the wall of the inner hole cavity; a flange is arranged at one end of the column rod; the ball is connected to the other end of the column rod; the curved bar is propped against the flange of the column rod; spiral springs are connected with the left side and the right side of the column rod respectively. The invention aims at providing the lever gear type mechanism of the accurate inner circle measurement instrument, which is simple in structure, convenient in detection operation and high in detection efficiency.
Description
Technical field
The present invention relates to precision testing device, particularly relate to a kind of lever gear ratcheting mechanism of inner circle accurate measurement instrument.
Background technology
Along with science and technology constantly progress, the equipment manufactured and the accuracy requirement of component processing more and more higher, the particularly mating surface of critical component or the inner circle that is benchmark with the pilot hole of workpiece, machining precision within 0.02mm, have be accurate to 0.01mm within, precision prescribed is very high, in process of production, particularly at production line balance line to thickness, inner circle or highly detect, detection time requires very short, detects numerical value accurate.The size of its parts uses milscale to be not easy to measure or measure inconvenience, and have certain error in operation detection process, the precision of measurement is not very high yet, and adopt this kind of mode labour intensity larger, detection efficiency is lower.And existing accurate measurement instrument is owing to lacking suitable transmission testing agency, make detector self structure complexity, complex operation, and the efficiency detected is not high.
Summary of the invention
The object of the present invention is to provide the lever gear ratcheting mechanism that a kind of structure is simple, detect easy to operate and that detection efficiency is high inner circle accurate measurement instrument.
To achieve these goals, the invention provides following technical scheme: the lever gear ratcheting mechanism of inner circle accurate measurement instrument, comprise base body and be located at the sleeve below base body, pin connected horizontally is successively provided with in described sleeve, ball, extension spring and contact plug, the below of described sleeve is provided with measuring head, inner cavity body is provided with in described base body, curved bar and the button running through base body outer wall is provided with in described inner cavity body, described curved bar is hinged on the inwall of endoporus cavity, one end of described curved bar is connected with button, the other end of curved bar is connected with gear, described gear is connected with pointer, described curved bar is connected with the vertical mast be hinged on internal cavity body wall, one end of described mast is provided with flange, the other end of mast connects ball, described curved bar is on the flange being located at mast, a left side for described mast, right both sides are connected to volute spring, described volute spring is all fixed on base body.
The principle of this programme is such: can press the button when placing measuring head in measured hole and contact plug is retracted, button compresses the curved bar be articulated with in inner cavity body, because mast is provided with flange, curved bar is on the flange being located at mast, make curved bar can withstand flange on vertical mast, the hinge of mast on internal cavity body wall rotates counterclockwise, ball compresses pin, make its sleeve of retracting together with contact plug, after relieving button, due to a left side for mast, right both sides are connected to volute spring, described volute spring is all fixed on base body, under helical spring effect, mast keeps vertical, and contact plug is protruding under the effect of mast and extension spring, coordinate the measuring head below sleeve, aperture is detected, the deviation in aperture will be expressed on pointer.
The invention has the advantages that: the lever gear ratcheting mechanism of this inner circle accurate measurement instrument, structure is simple, detect easy to operate, greatly can improve the efficiency of detections, production.
Preferably, described measuring head comprises thin slice and the location division in arc-shaped, described contact plug and measuring head are parallel to each other, thin slice fixation measuring head, the diameter of measuring head is less than the diameter of institute's gaging hole, location division in arc-shaped contacts with endoporus, location division coordinate contact plug position, pommel be spaced apart detect the size obtained.
Preferably, the overall shape spherical in shape of described thin slice, is beneficial to thin slice and better fit with inner hole wall, guarantees the accuracy of measurement, detection.
Preferably, be also provided with scale in described inner cavity body, described pointer is positioned on scale, and when detecting aperture, the deviation in aperture is expressed by the swing of pointer on scale, reading, identify convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wheeled mechanism embodiment of lever gear of inner circle accurate measurement instrument of the present invention;
Fig. 2 is the schematic diagram that in the wheeled mechanism embodiment of lever gear of inner circle accurate measurement instrument of the present invention, measuring head detects.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: base body 1, sleeve 2, pin 3, ball 4, extension spring 5, contact plug 6, measuring head 7, thin slice 8, location division 9, inner cavity body 10, curved bar 11, button 12, gear 13, pointer 14, mast 15, volute spring 16, scale 17.
As shown in Figure 1, the lever gear ratcheting mechanism of inner circle accurate measurement instrument, the sleeve 2 comprising base body 1 and be located at below base body 1, pin 3 connected horizontally is successively provided with in sleeve 2, ball 4, extension spring 5 and contact plug 6, the below of sleeve 2 is provided with measuring head 7, inner cavity body 10 is provided with in base body 1, curved bar 11 and the button 12 running through base body 1 outer wall is provided with in inner cavity body 10, curved bar 11 is hinged on the inwall of endoporus cavity 10, one end of curved bar 11 is connected with button 12, the other end of curved bar 11 is connected with gear 13, gear 13 is connected with pointer 14, curved bar 11 is connected with the vertical mast 15 be hinged on inner cavity body 10 wall, one end of mast 15 is provided with flange, the other end of mast 15 connects ball 4, curved bar 11 is on the flange being located at mast 15, a left side for mast 15, right both sides are connected to volute spring 16, volute spring 16 is all fixed on base body 1, scale 17 is also provided with in inner cavity body 10, pointer 14 is positioned on scale 17.
As shown in Figure 2, measuring head 7 comprises thin slice 8 and the location division 9 in arc-shaped, the overall shape spherical in shape of thin slice 8, and contact plug 6 and measuring head 7 are parallel to each other.
In the present embodiment, can press the button 12 when placing measuring head 7 in measured hole makes contact plug 6 retract, button 12 compresses the curved bar 11 be articulated with in inner cavity body 10, because mast 15 is provided with flange, curved bar 11 is on the flange being located at mast 15, make curved bar 11 can withstand flange on vertical mast 15, the hinge of mast 15 on inner cavity body 10 wall rotates counterclockwise, ball 4 compresses pin 3, make its retraction sleeve 2 together with contact plug 6, after relieving button, due to a left side for mast 15, right both sides are connected to volute spring 16, volute spring 16 is all fixed on base body 1, under the effect of volute spring 16, mast 15 keeps vertical, and contact plug 6 is protruding under the effect of mast 15 and extension spring 5, coordinate the measuring head 7 below sleeve 2, aperture is detected, the deviation in aperture will be expressed on pointer 14.
Measuring head 7 comprises thin slice 8 and the location division 9 in arc-shaped, contact plug 6 and measuring head 7 are parallel to each other, thin slice 8 fixation measuring head 7, the diameter of measuring head 7 is less than the diameter of institute's gaging hole, location division 9 in arc-shaped contacts with endoporus, location division 9 coordinate the position, pommel of contact plug 6 be spaced apart detect the size obtained, the overall shape spherical in shape of thin slice 8, be beneficial to thin slice 8 better and inner hole wall fit, guarantee to measure, the accuracy detected, scale 17 is also provided with in inner cavity body 10, pointer 14 is positioned on scale 17, when aperture is detected, the deviation in aperture is expressed by the swing of pointer 14 on scale 17, reading, it is convenient to identify.The lever gear ratcheting mechanism of this inner circle accurate measurement instrument, structure is simple, it is easy to operate to detect, and greatly can improve the efficiency of detections, production.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; under the prerequisite not departing from structure of the present invention; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (4)
1. the lever gear ratcheting mechanism of inner circle accurate measurement instrument, it is characterized in that, comprise base body and be located at the sleeve below base body, pin connected horizontally is successively provided with in described sleeve, ball, extension spring and contact plug, the below of described sleeve is provided with measuring head, inner cavity body is provided with in described base body, curved bar and the button running through base body outer wall is provided with in described inner cavity body, described curved bar is hinged on the inwall of endoporus cavity, one end of described curved bar is connected with button, the other end of curved bar is connected with gear, described gear is connected with pointer, described curved bar is connected with the vertical mast be hinged on internal cavity body wall, one end of described mast is provided with flange, the other end of mast connects ball, described curved bar is on the flange being located at mast, a left side for described mast, right both sides are connected to volute spring, described volute spring is all fixed on base body.
2. the lever gear ratcheting mechanism of inner circle accurate measurement instrument as claimed in claim 1, is characterized in that, described measuring head comprises thin slice and the location division in arc-shaped, and described contact plug and measuring head are parallel to each other.
3. the lever gear ratcheting mechanism of inner circle accurate measurement instrument as claimed in claim 2, is characterized in that, the overall shape spherical in shape of described thin slice.
4. the lever gear ratcheting mechanism of inner circle accurate measurement instrument as claimed in claim 1, it is characterized in that, be also provided with scale in described inner cavity body, described pointer is positioned on scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410732641.6A CN104406495A (en) | 2014-12-07 | 2014-12-07 | Lever gear type mechanism of accurate inner circle measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410732641.6A CN104406495A (en) | 2014-12-07 | 2014-12-07 | Lever gear type mechanism of accurate inner circle measurement instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104406495A true CN104406495A (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410732641.6A Pending CN104406495A (en) | 2014-12-07 | 2014-12-07 | Lever gear type mechanism of accurate inner circle measurement instrument |
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| CN (1) | CN104406495A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500568A (en) * | 2016-12-16 | 2017-03-15 | 苏州美瑞时科技有限公司 | A kind of adjustable height instrument gauge head |
-
2014
- 2014-12-07 CN CN201410732641.6A patent/CN104406495A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500568A (en) * | 2016-12-16 | 2017-03-15 | 苏州美瑞时科技有限公司 | A kind of adjustable height instrument gauge head |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150311 |
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| WD01 | Invention patent application deemed withdrawn after publication |