CN204255239U - For the lever gear mechanism of accurate measurement instrument - Google Patents
For the lever gear mechanism of accurate measurement instrument Download PDFInfo
- Publication number
- CN204255239U CN204255239U CN201420758067.7U CN201420758067U CN204255239U CN 204255239 U CN204255239 U CN 204255239U CN 201420758067 U CN201420758067 U CN 201420758067U CN 204255239 U CN204255239 U CN 204255239U
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- CN
- China
- Prior art keywords
- lever
- watch shell
- curved bar
- gear
- accurate measurement
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of lever gear mechanism for accurate measurement instrument, comprise the measurement section of watch shell and connection table housing, described measurement section comprises fixed pole and lever, described fixed pole and lever are located on same level line, the gap of depositing workpiece is provided with between described fixed pole and lever, described lever is connected with bearing pin, described pinned connection has horizontally disposed extension spring, described extension spring is fixed on the inwall of watch shell, pointer and curved bar is provided with in described watch shell, described curved bar is hinged in watch shell, one end of described curved bar connects bearing pin, the other end of curved bar is connected with sector gear, described sector gear has been connected with a joggle gear, pointer in described gear connection table housing, it is simple that the purpose of this utility model is to provide a kind of structure, detect easy to operate and that detection efficiency the is high lever gear mechanism for accurate measurement instrument.
Description
Technical field
The utility model relates to precision testing device, particularly relates to a kind of lever gear mechanism for 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, 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 or highly detect, detection time requires very short, detects numerical value accurate.Its parts use 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.
Utility model content
The purpose of this utility model be to provide a kind of structure simple, detect easy to operate and that detection efficiency the is high lever gear mechanism for accurate measurement instrument.
To achieve these goals, the utility model provides following technical scheme: for the lever gear mechanism of accurate measurement instrument, comprise the measurement section of watch shell and connection table housing, described measurement section comprises fixed pole and lever, described fixed pole and lever are located on same level line, the gap of depositing workpiece is provided with between described fixed pole and lever, described lever is connected with bearing pin, described pinned connection has horizontally disposed extension spring, described extension spring is fixed on the inwall of watch shell, pointer and curved bar is provided with in described watch shell, described curved bar is hinged in watch shell, one end of described curved bar connects bearing pin, the other end of curved bar is connected with sector gear, described sector gear has been connected with a joggle gear, pointer in described gear connection table housing.
The principle of this programme is such: owing to being provided with the gap of depositing workpiece between fixed pole and lever, piece-holder is between fixed pole and lever, bearing pin is passed through when lever moves, curved bar is rotated around fixed axis A, because curved bar is connected with sector gear, sector gear has been connected with a joggle gear, curved bar rotates, the sector gear on curved bar is made to make hand motion by gear, the extension spring of pinned connection is used for the revesal of lever, the lever gear mechanism of this accurate measurement instrument, structure is simple, detect easy to operate, the machining precision detected is within 0.02mm, substantially increase detection, the efficiency of producing.
Preferably, described lever is provided with thrust groove, and described watch shell is provided with pin, is also hinged with lever in watch shell, one end of described lever connects pin, the other end of lever is located in the thrust groove in lever, when needs unclamp workpiece, and can by pin, it acts on lever, lever rotates around fixed axis B, and the end be located in thrust groove makes lever remove, release workpiece.
Preferably, be also provided with volute spring in described watch shell, described volute spring is on the arm being located at curved bar, and volute spring is mainly used for the restriction of power in the arm rotation to curved bar and closes.
Preferably, the outer wall of described watch shell is provided with the blister pack of curved shape, and described pointer is arranged in blister pack, because pointer swings in blister pack, is convenient to identify and reading.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model for the lever gear mechanism embodiment of accurate measurement instrument.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Reference numeral in Figure of description comprises: watch shell 1, fixed pole 2, lever 3, bearing pin 4, extension spring 5, pointer 6, curved bar 7, sector gear 8, gear 9, volute spring 10, pin 11, lever 12, blister pack 13.
As shown in Figure 1, for the lever gear mechanism of accurate measurement instrument, comprise the measurement section of watch shell 1 and connection table housing 1, measurement section comprises fixed pole 2 and lever 3, fixed pole 2 and lever 3 are located on same level line, the gap of depositing workpiece is provided with between fixed pole 2 and lever 3, lever 3 is connected with bearing pin 4, bearing pin 4 is connected with horizontally disposed extension spring 5, extension spring 5 is fixed on the inwall of watch shell 1, pointer 6 and curved bar 7 is provided with in watch shell 1, curved bar 7 is hinged in watch shell 1, one end of curved bar 7 connects bearing pin 4, the other end of curved bar 7 is connected with sector gear 8, sector gear 8 has been connected with a joggle gear 9, pointer 6 in gear 9 connection table housing 1, volute spring 10 is also provided with in watch shell 1, volute spring 10 is on the arm being located at curved bar 7, lever 3 is provided with thrust groove, watch shell 1 is provided with pin 11, lever 12 is also hinged with in watch shell 1, one end of lever 12 connects pin 11, the other end of lever 12 is located in the thrust groove in lever 3, the outer wall of watch shell 1 is provided with the blister pack 13 of curved shape, pointer 6 is arranged in blister pack 13.
In the present embodiment, owing to being provided with the gap of depositing workpiece between fixed pole 2 and lever 3, piece-holder is between fixed pole 2 and lever 3, by bearing pin 4 when lever 3 moves, curved bar 7 is rotated around fixed axis A, because curved bar 7 is connected with sector gear 8, sector gear 8 has been connected with a joggle gear 9, curved bar 7 rotates, the sector gear 8 on curved bar 7 is made by gear 9, pointer 6 to be moved, the extension spring 5 that bearing pin 11 connects is for the revesal of lever 3, the lever gear mechanism of this accurate measurement instrument, structure is simple, detect easy to operate, the machining precision detected is within 0.02mm, substantially increase detection, the efficiency of producing.
Lever 3 is provided with thrust groove, watch shell 1 is provided with pin 11, lever 12 is also hinged with in watch shell 1, one end of lever 12 connects pin 11, the other end of lever 12 is located in the thrust groove in lever 3, when needs unclamp workpiece, can by pin 11, it acts on lever 12, lever 12 rotates around fixed axis B, the end be located in thrust groove makes lever 3 remove, release workpiece, volute spring 10 is also provided with in watch shell 1, volute spring 10 is on the arm being located at curved bar 7, volute spring 10 is mainly used for the restriction of power in the arm rotation to curved bar 7 and closes, the outer wall of watch shell 1 is provided with the blister pack 13 of curved shape, pointer 6 is arranged in blister pack 13, because pointer 6 swings in blister pack 13, be convenient to identify and reading.
Above-described is only preferred implementation of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite not departing from the utility model structure; some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.
Claims (4)
1. for the lever gear mechanism of accurate measurement instrument, it is characterized in that, comprise the measurement section of watch shell and connection table housing, described measurement section comprises fixed pole and lever, described fixed pole and lever are located on same level line, the gap of depositing workpiece is provided with between described fixed pole and lever, described lever is connected with bearing pin, described pinned connection has horizontally disposed extension spring, described extension spring is fixed on the inwall of watch shell, pointer and curved bar is provided with in described watch shell, described curved bar is hinged in watch shell, one end of described curved bar connects bearing pin, the other end of curved bar is connected with sector gear, described sector gear has been connected with a joggle gear, pointer in described gear connection table housing.
2. as claimed in claim 1 for the lever gear mechanism of accurate measurement instrument, it is characterized in that, described lever is provided with thrust groove, described watch shell is provided with pin, also lever is hinged with in watch shell, one end of described lever connects pin, and the other end of lever is located in the thrust groove in lever.
3., as claimed in claim 1 for the lever gear mechanism of accurate measurement instrument, it is characterized in that, be also provided with volute spring in described watch shell, described volute spring is on the arm being located at curved bar.
4., as claimed in claim 1 for the lever gear mechanism of accurate measurement instrument, it is characterized in that, the outer wall of described watch shell is provided with the blister pack of curved shape, and described pointer is arranged in blister pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758067.7U CN204255239U (en) | 2014-12-04 | 2014-12-04 | For the lever gear mechanism of accurate measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758067.7U CN204255239U (en) | 2014-12-04 | 2014-12-04 | For the lever gear mechanism of accurate measurement instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204255239U true CN204255239U (en) | 2015-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420758067.7U Expired - Fee Related CN204255239U (en) | 2014-12-04 | 2014-12-04 | For the lever gear mechanism of accurate measurement instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204255239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457494A (en) * | 2014-12-04 | 2015-03-25 | 重庆市明皓光学仪器有限公司 | Lever type gear mechanism for accurate measurement instrument |
-
2014
- 2014-12-04 CN CN201420758067.7U patent/CN204255239U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457494A (en) * | 2014-12-04 | 2015-03-25 | 重庆市明皓光学仪器有限公司 | Lever type gear mechanism for accurate measurement instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151204 |
|
| EXPY | Termination of patent right or utility model |