CN114459307B - Digital display dial gauge - Google Patents
Digital display dial gauge Download PDFInfo
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- CN114459307B CN114459307B CN202210165797.5A CN202210165797A CN114459307B CN 114459307 B CN114459307 B CN 114459307B CN 202210165797 A CN202210165797 A CN 202210165797A CN 114459307 B CN114459307 B CN 114459307B
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- sleeve
- positioning
- graduated flask
- adjusting screw
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/22—Feeler-pin gauges, e.g. dial gauges
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a digital display dial indicator, which solves the problems of poor stability and inaccurate measurement of the existing digital display dial indicator. Including the sleeve, the graduated flask subassembly in the sleeve is located in the slip, and the display dial plate, the graduated flask subassembly is including the graduated flask, the grating, sheathed tube lateral wall is equipped with the sensor, still be equipped with graduated flask reset spring in the sleeve, the grating passes through the bar board and is connected with the graduated flask, the digital display amesdial is still including adjusting part, the graduated flask is fixed in annular positioning groove, adjust the axle center alignment with telescopic that the graduated flask is adjusted with location flank crimping elasticity to location shell fragment through second adjusting screw, make smooth and easy removal from top to bottom of graduated flask, the location flank of bar board passes through first adjusting screw and location shell fragment location, thereby make the steady accurate reciprocating of graduated flask, adjust the depth of parallelism of grating and sensor through first adjusting screw, thereby make the accurate transmission of signal between bar and the sensor, thereby good stability, it is accurate to measure.
Description
Technical Field
The invention relates to a digital display dial indicator.
Background
The existing digital display dial gauge is poor in stability, easy to shake in the using process and poor in stability, so that the measurement is inaccurate. Disclosure of Invention
The invention aims to solve the problems of poor stability and inaccurate measurement of the existing digital display dial indicator.
The technical scheme adopted for solving the technical problems provided by the invention is as follows: the digital display dial indicator comprises a sleeve, a measuring rod assembly and a display dial plate, wherein the measuring rod assembly is slidably arranged in the sleeve, the measuring rod assembly comprises a measuring rod coaxial with the sleeve, a grid is connected with the measuring rod, a sensor in sliding connection with the grid is arranged on the side wall of the sleeve, a measuring rod reset spring is further arranged in the sleeve, the grid is connected with the measuring rod through a grid plate, the digital display dial indicator further comprises an adjusting assembly, the grid plate is fixedly connected with the measuring rod, the grid is arranged on one side of the grid plate, a positioning side wing is arranged on the other side of the grid plate along the axial direction, an elastic annular positioning groove with one side opened is arranged in the middle of the grid plate, the measuring rod is fixed in the annular positioning groove, the adjusting assembly comprises a first adjusting screw, a positioning elastic sheet, the first adjusting screw is arranged on one side of the positioning side, far away from the grid, of the positioning side, the first adjusting screw is used for adjusting the parallelism between the grid and the sensor, the positioning elastic sheet is arranged on the other end of the positioning side, one end of the first adjusting screw is abutted against the positioning side flank, one end of the positioning elastic sheet is abutted against the positioning side of the positioning side, the positioning side of the positioning elastic sheet is abutted against the positioning side of the positioning side, the positioning sheet, the second adjusting screw, and the second adjusting sheet are coaxially arranged on the positioning sheet, and the positioning screw, and the second adjusting sheet, and the adjusting screw, and the second adjusting sheet are coaxially arranged on the positioning sheet, and the adjusting screw are coaxially arranged on the positioning sheet.
The technical scheme for further limiting the invention comprises the following steps:
one end of the first adjusting screw is connected with the positioning side wing through a first ball, and one end of the positioning elastic sheet is connected with the positioning side wing through a second ball.
One end of the positioning elastic sheet is fixed on the sleeve, the other end of the positioning elastic sheet is pressed on the positioning side wing, the second adjusting screw penetrates through the positioning elastic sheet to be connected with the sleeve in a screwing mode, and a through hole matched with the second adjusting screw is formed in the positioning elastic sheet.
The piston is arranged on the upper end of the measuring rod and is in sealed sliding connection with the side face of the sleeve, the piston is located on the upper portion of the sleeve, a sealed space is formed between the upper portion of the sleeve and the piston, and a piston through hole communicated with the sleeve spaces on the two sides of the piston is formed in the piston.
The side surface of the piston, corresponding to the sleeve, is provided with an annular groove, and the annular groove is communicated with the piston through hole.
The two positioning side wings are respectively positioned at two sides of the grid plate.
The measuring rod is provided with a positioning screw for limiting the stroke of the measuring rod, and the sleeve is provided with a positioning step matched with the positioning screw.
The sleeve comprises an upper sleeve, a sleeve cap and a lower sleeve, the sleeve cap is arranged on the upper sleeve, the measuring rod is connected with the upper sleeve and the lower sleeve in a sliding mode, the upper sleeve is connected with the sleeve cap in a sealing mode, the upper sleeve and the lower sleeve are connected through a display dial shell, the adjusting assembly and the reset spring are located in the display dial shell, one end of the spring is connected with the tail of the measuring rod, and the other end of the spring is fixed in the display dial shell.
The upper sleeve is connected with the sleeve cap through threads, and the upper sleeve is connected with the sleeve cap through a sealing ring.
Display dial plate casing in be equipped with the adjusting part mounting groove, adjusting part is located the adjusting part mounting groove, is equipped with the regulation mounting panel in the adjusting part mounting groove, first adjusting screw connects soon on adjusting the mounting panel, the one end of location shell fragment is fixed on display dial plate casing, second adjusting screw connects soon on display dial plate casing.
Through the technical scheme, the invention has the beneficial effects that: the grid bar of the digital display dial indicator is connected with the measuring rod through the grid bar plate, the measuring rod is fixed in the annular positioning groove, the positioning elastic sheet and the positioning side wing are adjusted to be in compression joint and tightness degree through the second adjusting screw to adjust the axis of the measuring rod to be aligned with the axis of the sleeve, so that the measuring rod can move up and down smoothly, the positioning side wing of the grid bar plate is positioned through the first adjusting screw and the positioning elastic sheet, the measuring rod can move up and down stably and accurately, the parallelism between the grid bar and the sensor is adjusted through the first adjusting screw, and therefore signals between the grid bar and the sensor are transmitted accurately, stability is good, and measurement is accurate.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a digital display dial indicator of the invention.
Fig. 2 is a sectional structure diagram at the position B-B in fig. 1.
Fig. 3 isbase:Sub>A sectional structure view atbase:Sub>A-base:Sub>A in fig. 1.
Fig. 4 is an enlarged schematic view of the structure at D in fig. 3.
Fig. 5 is an enlarged schematic view of a structure at C in fig. 2.
Detailed Description
The structure of the present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 5, the upper and lower directions in the present invention mean that the measuring rod is lower at the measuring end and upper at the other end along the axial direction of the sleeve. A digital display dial gauge comprises a sleeve 1, a gauge rod component 2 arranged in the sleeve in a sliding mode, and a display dial 3, wherein the gauge rod component 2 comprises a gauge rod 21 coaxial with the sleeve, a grid 22 connected with the gauge rod, the side wall of a sleeve is provided with a sensor 23 connected with the grid in a sliding mode, the sleeve is further internally provided with a gauge rod reset spring 4, the grid is connected with the gauge rod through a grid plate 24, the digital display dial gauge further comprises an adjusting component 5, the grid plate is fixedly connected with the gauge rod, the grid is arranged on one side of the grid plate, the other side of the grid plate 24 is provided with a positioning side wing 241 along the axial direction, the middle of the grid plate is provided with an elastic annular positioning groove 242 with an opening on one side, the graduated rod is fixed in annular positioning groove, adjusting part 5 is including locating the first adjusting screw 51 that is used for adjusting the grid and the sensor depth of parallelism of keeping away from one side of grid of location flank, and locate the location shell fragment 52 of the location flank other end, the one end and the location flank butt of first adjusting screw, the one end and the location flank butt of location shell fragment, adjusting part 5 is still including adjusting the second adjusting screw 53 of graduated rod and sleeve axiality through regulation location shell fragment and location flank elasticity, first adjusting screw, second adjusting screw and location shell fragment are all located on the sleeve. Adjust the axle center alignment with the sleeve that the graduated flask was adjusted to location shell fragment and location flank crimping elasticity through second adjusting screw, make the graduated flask can smoothly move from top to bottom, the location flank of bars slat is fixed a position through first adjusting screw and location shell fragment to make the steady accurate reciprocating of graduated flask, adjust the depth of parallelism of bars and sensor through first adjusting screw, thereby make the accurate transmission of signal between bars and the sensor, thereby stability is good, measure accurately.
In this embodiment, one end of the first adjusting screw is connected to the positioning wing through the first ball 54, and one end of the positioning elastic sheet is connected to the positioning wing through the second ball 55. The grid plate moves up and down along with the measuring rod, and the two sides of the positioning side wings are respectively in rolling connection with the first ball and the second ball, so that the measuring rod can stably and smoothly move up and down.
In this embodiment, one end of the positioning elastic sheet 52 is fixed on the sleeve, the other end of the positioning elastic sheet is pressed on the positioning side wing, the second adjusting screw penetrates through the positioning elastic sheet and is screwed with the sleeve, and the positioning elastic sheet 52 is provided with a through hole 521 matched with the second adjusting screw. During the regulation, rotatory second adjusting screw can adjust the crimping elasticity of location shell fragment and location flank to adjust graduated flask and telescopic axle center degree, make graduated flask and sleeve coaxial, thereby reduce the friction of graduated flask and sleeve wall, make the graduated flask move smoothly from top to bottom, the noise abatement.
In this embodiment, the upper end of the measuring rod 21 is provided with a piston 25, the piston is connected with the side surface of the sleeve in a sealing and sliding manner, the piston is located at the upper part of the sleeve, the upper part of the sleeve and the piston form a sealing space, and the piston 25 is provided with a piston through hole 251 which is communicated with the sleeve spaces at two sides of the piston. After the measuring of the equivalent weight rod is finished, when the equivalent weight rod is quickly returned under the action of the return spring, the piston and the upper part of the sleeve generate certain vacuum, and the small hole on the piston controls the vacuum degree, so that the running speed of the piston is limited, and the impact on the lower part of the sleeve is reduced. In this embodiment, the side of the piston 25 corresponding to the sleeve is provided with a ring groove 252, and the ring groove is communicated with the piston through hole. After air enters the ring groove through the small holes, the air cannot be smoothly discharged, and the air in the ring groove generates an air floatation effect on the piston, so that the friction of the piston on the wall of the sleeve is reduced, the movement of the measuring rod is smoother, and the noise is lower.
In this embodiment, two positioning side wings are respectively located at two sides of the grid plate. The two side wings enable the grid plate to be positioned more accurately, so that the parallelism of the grid and the sensor is better.
In this embodiment, the gauge rod is provided with a positioning screw 6 for limiting the stroke of the gauge rod, and the sleeve 1 is provided with a positioning step 7 matched with the positioning screw. The positioning screw is used for limiting the stroke of the measuring rod during resetting.
In this embodiment, sleeve 1 is including last sleeve pipe 11, locates sleeve pipe cap 12 on the last sleeve pipe, and lower casing 13, and the graduated flask passes through piston and last sleeve pipe sliding connection, graduated flask and lower casing sliding connection, and last sleeve pipe and sleeve pipe cap sealing connection, go up the sleeve pipe and pass through display dial shell 14 with the lower casing and be connected, and adjusting part and reset spring all are located display dial shell, and the one end and the graduated flask afterbody of spring are connected, and the other end is fixed in display dial shell. In this embodiment, be equipped with adjusting part mounting groove 141 in display dial shell 14, adjusting part is located adjusting part mounting groove, is equipped with adjusting mounting panel 142 in the adjusting part mounting groove, and first adjusting screw connects soon the one end of locating the shell fragment on adjusting mounting panel to be fixed on the display dial shell, and second adjusting screw connects soon on the display dial shell. In this embodiment, the upper sleeve is connected with the sleeve cap through threads, and the upper sleeve is connected with the sleeve cap through a sealing ring 8. Thereby the whole structure is simple and compact, and the space is saved.
While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be construed as limiting the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the present invention as described in the appended claims.
Claims (10)
1. The utility model provides a digital display amesdial, including the sleeve, the slide gauge rod subassembly of locating in the sleeve to and the display dial plate, the gauge rod subassembly including with the coaxial gauge rod of sleeve, the grid of being connected with the gauge rod, telescopic lateral wall be equipped with grid sliding connection's sensor, still be equipped with gauge rod reset spring, its characterized in that in the sleeve: the bars pass through the bars board and be connected with the graduated flask, the digital display amesdial still including adjusting part, bars board and graduated flask fixed connection, the bars board is installed in bars board one side, bars board opposite side is equipped with along axial location flank, the centre of bars board be equipped with one side open-ended elastic annular constant head tank, the graduated flask fix in annular constant head tank, adjusting part including locate the location flank keep away from one side of bars board be used for adjusting the first adjusting screw of bars and sensor depth of parallelism to and locate the location shell fragment of location flank other end, the one end and the location flank butt of first adjusting screw, the one end and the location flank butt of location shell fragment, adjusting part still including adjust the second adjusting screw of graduated flask and sleeve axiality through adjusting location shell fragment and location flank elasticity, first adjusting screw, second adjusting screw and location shell fragment all locate on the sleeve.
2. The dial indicator of claim 1, wherein: one end of the first adjusting screw is connected with the positioning flank through the first ball, and one end of the positioning elastic sheet is connected with the positioning flank through the second ball.
3. The dial indicator of claim 1, wherein: one end of the positioning elastic sheet is fixed on the sleeve, the other end of the positioning elastic sheet is pressed on the positioning side wing, the second adjusting screw penetrates through the positioning elastic sheet to be connected with the sleeve in a screwing mode, and a through hole matched with the second adjusting screw is formed in the positioning elastic sheet.
4. The dial indicator of claim 1, wherein: the piston is located on the upper portion of the sleeve, the upper portion of the sleeve and the piston form a sealed space, and a piston through hole communicated with the sleeve spaces on two sides of the piston is formed in the piston.
5. The dial indicator of claim 4, wherein: the side of the piston corresponding to the sleeve is provided with an annular groove, and the annular groove is communicated with the piston through hole.
6. The dial indicator of claim 1, wherein: the two positioning side wings are respectively positioned at two sides of the grid plate.
7. The dial indicator of claim 1, wherein: the measuring rod is provided with a positioning screw for limiting the stroke of the measuring rod, and the sleeve is provided with a positioning step matched with the positioning screw.
8. The dial indicator of claim 1, wherein: the sleeve including the upper casing, locate the casing cap on the upper casing to and the lower casing, graduated flask and upper casing and lower casing sliding connection, upper casing and casing cap sealing connection, upper casing and lower casing pass through the display dial casing and connect, adjusting part and reset spring all be located the display dial casing, the one end and the graduated flask afterbody of spring are connected, the other end is fixed in the display dial casing.
9. The dial indicator of claim 8, wherein: the upper sleeve is connected with the sleeve cap through threads, and the upper sleeve is connected with the sleeve cap through a sealing ring.
10. The dial indicator of claim 8, wherein: display dial plate casing in be equipped with the adjusting part mounting groove, adjusting part is located the adjusting part mounting groove, is equipped with the regulation mounting panel in the adjusting part mounting groove, first adjusting screw connects soon on adjusting the mounting panel, the one end of location shell fragment is fixed on display dial plate casing, second adjusting screw connects soon on display dial plate casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165797.5A CN114459307B (en) | 2022-02-23 | 2022-02-23 | Digital display dial gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165797.5A CN114459307B (en) | 2022-02-23 | 2022-02-23 | Digital display dial gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114459307A CN114459307A (en) | 2022-05-10 |
| CN114459307B true CN114459307B (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210165797.5A Active CN114459307B (en) | 2022-02-23 | 2022-02-23 | Digital display dial gauge |
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| CN (1) | CN114459307B (en) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CH683042A5 (en) * | 1990-05-18 | 1993-12-31 | Tesa Sa | Shockproof device for a measuring instrument. |
| CN2711688Y (en) * | 2004-05-28 | 2005-07-20 | 牟惠跃 | Integrated intelligent raster digital display dial gauge |
| CN2762065Y (en) * | 2004-12-20 | 2006-03-01 | 哈尔滨量具刃具集团有限责任公司 | Driving mechanism of of digital display dial indicator dynamic grid |
| CN201497481U (en) * | 2009-09-23 | 2010-06-02 | 武汉钢铁(集团)公司 | Multipurpose turbine device axiality checking device |
| CN102042788B (en) * | 2009-10-09 | 2012-09-19 | 桂林广陆数字测控股份有限公司 | High-precision digital indicating gauge and adjusting method of position precision of main gate and auxiliary gate |
| CN102384759B (en) * | 2011-08-16 | 2013-10-09 | 钟胜 | Assembled mechanical component of digital display indicating gauge |
| CN102829699B (en) * | 2012-08-03 | 2015-06-17 | 上海电气电站设备有限公司 | Device and method for measuring gap between steam turbine movable blades and cylinder inner wall |
| CN102853727B (en) * | 2012-09-29 | 2015-06-17 | 钟胜 | High-protection direct-acting digital display micrometer |
| CN203203612U (en) * | 2013-04-17 | 2013-09-18 | 桂林广陆数字测控股份有限公司 | Magnetic grid type waterproof digital display dial gauge |
| CN203385381U (en) * | 2013-07-29 | 2014-01-08 | 浙江山海机械有限公司 | Eccentricity gauge |
| CN203586973U (en) * | 2013-12-09 | 2014-05-07 | 成都海光核电技术服务有限公司 | Pen-type digital display alignment dial indicator |
| CN104807388B (en) * | 2015-04-21 | 2017-09-29 | 江西铜业股份有限公司 | The measurer and method of bicyclic groove part control side size in a kind of measurement |
| CN207180577U (en) * | 2017-07-31 | 2018-04-03 | 福建中海油应急抢维修有限责任公司 | A kind of axiality calibrating installation of tapping equipment main shaft and even case |
| CN210321506U (en) * | 2019-08-19 | 2020-04-14 | 武汉勇士达汽车部件有限公司 | Percentage surface difference measuring mechanism suitable for automobile inspection device |
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2022
- 2022-02-23 CN CN202210165797.5A patent/CN114459307B/en active Active
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