CN204574981U - Vernier caliper - Google Patents
Vernier caliper Download PDFInfo
- Publication number
- CN204574981U CN204574981U CN201520003793.2U CN201520003793U CN204574981U CN 204574981 U CN204574981 U CN 204574981U CN 201520003793 U CN201520003793 U CN 201520003793U CN 204574981 U CN204574981 U CN 204574981U
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- Prior art keywords
- claw
- breach
- vernier
- contained side
- base
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- 210000000078 claw Anatomy 0.000 claims abstract description 88
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010304 firing Methods 0.000 description 15
- 238000012545 processing Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
Preferred embodiment of the present utility model provides a kind of vernier caliper, and be the size of step-like annular breach for the cross section measured on object to be measured, vernier caliper comprises: main scale and the vernier be arranged on main scale that slides; The first measuring claw that main scale comprises blade and is connected with blade, blade is provided with main groove, the first measuring claw be provided with in deep annular breach to clamp the first claw of object to be measured; Vernier comprises the vernier scale that is arranged on blade and being connected with vernier scale and the second measuring claw coordinated with the first measuring claw of sliding, vernier scale is provided with auxiliary groove, and the second measuring claw is provided with for coordinating with the first claw with the second claw of symmetric clamp object to be measured in deep annular breach.Adopt measuring accuracy during vernier caliper measurement of the present utility model high, can be used as Special caliper use, long service life, measure cost low, measure convenient and swift simultaneously, can 100% measure part, prevent part undetected, meet Production requirement.
Description
Technical field
The utility model relates to aeromotor field, especially, relates to a kind of vernier caliper.
Background technology
At present, need to measure firing chamber flange as shown in Figure 1, this firing chamber flange is the thin-walled aviation part of nickel-bass alloy material, complex-shaped, accuracy requirement is high, and measurement size is various, wherein, need to measure the diameter R of the certain edges thereof A on the flange of firing chamber.
Size B due to the annular breach 800 at this certain edges thereof A place is 0.787 °
-0.1mm, size C are 0.762 °
-0.254mm, dimension D is R0.254mm, therefore certain edges thereof A place can minimum for the surface of contact measured be 0.357mm, at present, normal conventional kind of calliper or the three-dimensional of adopting is measured.
Adopt slide calliper rule when directly measuring, due to can minimum for the surface of contact measured be 0.357mm, therefore error during measurement is large; And when adopting three-dimensional to measure, because measuring head minimum diameter is Φ 1mm, and can for measure surface of contact minimum be 0.357mm, therefore be difficult to measure accurately, again because adopt the metering of first and last part to add the mode of middle selective examination when measuring, unacceptable product is easy to be missed, and affects the quality of part, and need to deliver to special measurement company and go to measure, measure that cost is high, part turn around time long, have a strong impact on manufacturing schedule.
Utility model content
The utility model provides a kind of vernier caliper, with solve the measuring error that exists when existing slide calliper rule and three-dimensional dosing machine are measured greatly, easily undetected, measure the technical matters that cost is high, part turn around time is long, manufacturing schedule is low.
The technical solution adopted in the utility model is as follows:
A kind of vernier caliper, be the size of step-like annular breach for the cross section measured on object to be measured, vernier caliper comprises: main scale and the vernier be arranged on main scale that slides; The first measuring claw that main scale comprises blade and is connected with blade, blade is provided with main groove, the first measuring claw be provided with in deep annular breach to clamp the first claw of object to be measured; Vernier comprises the vernier scale that is arranged on blade and being connected with vernier scale and the second measuring claw coordinated with the first measuring claw of sliding, vernier scale is provided with auxiliary groove, and the second measuring claw is provided with for coordinating with the first claw with the second claw of symmetric clamp object to be measured in deep annular breach.
Further, the first conflict limit that first claw is conflicted with object to be measured and the first contained side are on the same line, first contained side is the limit that the first measuring claw contacts with the second measuring claw, first base vertical with the first conflict limit of the first claw and the base coincident of the first measuring claw; The second conflict limit that second claw is conflicted with object to be measured and the second contained side are on the same line, second contained side is the limit that the second measuring claw contacts with the first contained side, second base vertical with the second conflict limit of the second claw and the base coincident of the second measuring claw.
Further, the length on the first conflict limit and the second conflict limit is 0.3mm ~ 0.5mm.
Further, the length on the first base and the second base is 7mm ~ 10mm.
Further, the number of degrees of the angle between the second hypotenuse that the first hypotenuse the first claw is connected with the first conflict limit and the second claw are connected with the second conflict limit and surface level are 18 ° ~ 20 °.
Further, first contained side is provided with the first breach for the formation of the first claw, first breach comprises base and crossing with base two hypotenuses, the base of the first breach is parallel with the first contained side, a hypotenuse of the first breach overlaps with the first hypotenuse, and another hypotenuse of the first breach and surface level have angle; Second contained side is provided with the second breach for the formation of the second claw and corresponding with the first breach, second breach comprises base and crossing with base two hypotenuses, the base of the second breach is parallel with the second contained side, a hypotenuse of the second breach overlaps with the second hypotenuse, and another hypotenuse of the second breach and surface level have angle.
Further, the length on the base of the first breach and the second breach is 12mm ~ 15mm; First breach and the second breach and the surface level angle had between the hypotenuse of angle and surface level be the angle of 20 ° ~ 40 °.
Further, the first contained side also processes the first groove, the first groove is through along the direction of vertical first contained side; Second contained side is processed with second groove corresponding with the first groove, the second groove is through along the direction of vertical second contained side.
Further, the measurement range of main groove is 0mm ~ 500mm; The measuring accuracy of auxiliary groove is 0.02mm.
Further, vernier caliper also comprises and carries out spacing locating part to the slip of vernier scale; Locating part slides and to be arranged on blade and away from the second claw.
The utility model has following beneficial effect:
In the utility model, all can go deep in the annular breach on the flange of firing chamber due to the first claw and the second claw, and symmetric clamp firing chamber flange, measure with the diameter R of the certain edges thereof A to annular indentation, there, therefore vernier caliper of the present utility model can be adopted directly to measure the diameter R of the certain edges thereof A on the flange of firing chamber, replacement is directly measured with existing slide calliper rule and is measured with three coordinate machine, and measuring accuracy is high, can be used as Special caliper to use, long service life, measurement cost is low, measure convenient and swift simultaneously, can 100% measure part, prevent part undetected, meet Production requirement.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the sectional structure schematic diagram of firing chamber flange to be measured;
Fig. 2 is the structural representation of the vernier caliper of the utility model preferred embodiment;
Fig. 3 is the partial enlargement structural representation of first claw at I place in Fig. 2; And
Fig. 4 be the utility model preferred embodiment vernier caliper measurement firing chamber flange on certain edges thereof A time view.
Marginal data
1, main scale; 10, the first measuring claw; 11, blade; 110, main groove; 100, the first claw; 101, the first contained side; 102, the first conflict limit; 103, the first base; 104, the first hypotenuse; 300, the first breach; 500, the first groove; 2, vernier; 20, the second measuring claw; 21, vernier scale; 210, auxiliary groove; 200, the second claw; 201, the second contained side; 400, the second breach; 600, the second groove; 3, locating part; 800, annular breach.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figures 2 and 3, preferred embodiment of the present utility model provides a kind of vernier caliper, and be the size of step-like annular breach for the cross section measured on object to be measured, vernier caliper comprises: main scale 1 and the vernier 2 be arranged on main scale 1 that slides; The first measuring claw 10 that main scale 1 comprises blade 11 and is connected with blade 11, blade 11 be provided with main groove 110, first measuring claw 10 be provided with in deep annular breach to clamp the first claw 100 of object to be measured; Vernier 2 comprises the vernier scale 21 that is arranged on blade 11 and being connected with vernier scale 21 and the second measuring claw 20 coordinated with the first measuring claw 10 of sliding, vernier scale 21 is provided with auxiliary groove 210, second measuring claw 20 and is provided with the second claw 200 for coordinating in deep annular breach and with the first claw 100 with symmetric clamp object to be measured.In the utility model, object to be measured is the firing chamber flange shown in Fig. 1, because the first claw 100 and the second claw 200 all can go deep in the annular breach 800 on the flange of firing chamber, and symmetric clamp firing chamber flange, measure with the diameter R of the certain edges thereof A to annular breach 800 place, therefore vernier caliper of the present utility model can be adopted directly to measure the diameter R of the certain edges thereof A on the flange of firing chamber, replacement is directly measured with existing slide calliper rule and is measured with three coordinate machine, and measuring accuracy is high, can be used as Special caliper to use, long service life, measurement cost is low, measure convenient and swift simultaneously, can 100% measure part, prevent part undetected, meet Production requirement.
The process during diameter R of the certain edges thereof A on the flange of vernier caliper measurement firing chamber of the present utility model is adopted to be, first vernier caliper is opened, the first claw 100 and the second claw 200 is made to be clamped in the relative position of certain edges thereof A, as shown in Figure 4, and then read on blade 11 certain edges thereof A diameter R main length and on vernier scale 21, read the precision of diameter R of certain edges thereof A, be finally added the size that namely two scale values obtain the diameter R of certain edges thereof A.
Particularly, as shown in Figure 3, the first conflict limit 102 that first claw 100 is conflicted with object to be measured and the first contained side 101 are on the same line, first contained side 101 is the limit that the first measuring claw 10 contacts with the second measuring claw 20, first base 103 vertical with the first conflict limit 102 of the first claw 100 and the base coincident of the first measuring claw 10; The second conflict limit that second claw 200 is conflicted with object to be measured and the second contained side 201 are on the same line, second contained side 201 is the limit that the second measuring claw 20 contacts with the first contained side 101, second base vertical with the second conflict limit of the second claw 200 and the base coincident of the second measuring claw 20.
In the utility model, the theoretical size due to the diameter R of the certain edges thereof A on the flange of firing chamber is 329.311 °
-0.254, therefore in the utility model, the measurement range of main groove 110 elects 0mm ~ 500mm as; Same, the theoretical size due to the diameter R of the certain edges thereof A on the flange of firing chamber is 329.311 °
-0.254, therefore in the utility model, the measuring accuracy of auxiliary groove 210 elects 0.02mm as, and when the first contained side 101 contacts with the second contained side 201, the zero graduation line on main groove 110 aligns with the zero graduation line on auxiliary groove 210.
Particularly, the surface of contact due to Gong the measurement at annular breach 800 place at certain edges thereof A place is minimum is 0.357mm, therefore tests according to the measurement of reality, and in the present embodiment, the length on the first conflict limit 102 and the second conflict limit can be set to 0.3mm ~ 0.5mm.Alternatively, in preferred embodiment of the present utility model, the length on the first conflict limit 102 and the second conflict limit is all set to 0.5mm.
Same, the measurement according to reality is tested, and the length on the first base 103 and the second base can be set to 7mm ~ 10mm.Alternatively, in preferred embodiment of the present utility model, the length on the first base 103 and the second base is all set to 8mm.
Same, the measurement according to reality is tested, and the number of degrees of the angle between the second hypotenuse that the first hypotenuse 104 that the first claw 100 is connected with the first conflict limit 102 and the second claw 200 are connected with the second conflict limit and surface level can be set to 18 ° ~ 20 °.Alternatively, in preferred embodiment of the present utility model, the number of degrees of the first hypotenuse 104 and the angle between the second hypotenuse and surface level are all set to 20 °
As shown in Figure 3, in the utility model, first contained side 101 of the first measuring claw 10 is provided with the first breach 300 for the formation of the first claw 100, first breach 300 comprises base and crossing with base two hypotenuses, the base of the first breach 300 is parallel with the first contained side 101, a hypotenuse of the first breach 300 overlaps with the first hypotenuse 104, and another hypotenuse and the surface level of the first breach 300 have angle; Second contained side 201 of the second measuring claw 20 is provided with the second breach 400 for the formation of the second claw 200 and corresponding with the first breach 300, second breach 400 comprises base and crossing with base two hypotenuses, the base of the second breach 400 is parallel with the second contained side 201, a hypotenuse of the second breach 400 overlaps with the second hypotenuse, and another hypotenuse and the surface level of the second breach 400 have angle.
Particularly, according to the processing experience of reality, in the utility model, the length on the first breach 300 and the base both the second breach 400 can be set to 12mm ~ 15mm; Alternatively, in preferred embodiment of the present utility model, the length on the first breach 300 and the base both the second breach 400 is all set to 15mm.
Same, according to the processing experience of reality, in the utility model, both the first breach 300 and the second breach 400 and the surface level angle had between the hypotenuse of angle and surface level can be set to 20 ° ~ 40 °.Alternatively, in preferred embodiment of the present utility model, both the first breach 300 and the second breach 400 and angle that surface level has between the hypotenuse of angle and surface level be all set to 30 °
In the utility model, as shown in Figure 3, because the length of both the first contained side 101 and the second contained side 201 is longer, for improving the precision of vernier caliper, therefore the first contained side 101 and the contact length both the second contained side 201 should be reduced, therefore it is through along the direction of vertical first contained side 101 to process the first groove 500, first groove 500 on the first contained side 101 of the present utility model; Same, the second contained side 201 of the second measuring claw 20 processes second groove 600, second groove 600 corresponding with the first groove 500 through along the direction of vertical second contained side 201.
In the utility model, as shown in Figure 2, vernier scale 21 is also provided with for by trip bolt fastening to vernier scale 21 and blade 11.
Alternatively, as shown in Figure 2, in the utility model, vernier caliper also comprises and carries out spacing locating part 3 to the slip of vernier scale 21; Locating part 3 slides and is arranged on blade 11, and away from the second measuring claw 20.In preferred embodiment of the present utility model, locating part 3 comprises the slide slide block be arranged on blade 11 and the holding screw be arranged on slide block.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a vernier caliper, it is characterized in that, be the size of step-like annular breach for the cross section measured on object to be measured, described vernier caliper comprises: main scale (1) and slip are arranged at the vernier (2) on described main scale (1);
The first measuring claw (10) that described main scale (1) comprises blade (11) and is connected with described blade (11), described blade (11) is provided with main groove (110), and described first measuring claw (10) is provided with for being goed deep in described annular breach to clamp first claw (100) of described object to be measured;
Described vernier (2) comprises slip and is arranged in the vernier scale (21) on described blade (11) and is connected with described vernier scale (21) and the second measuring claw (20) coordinated with described first measuring claw (10), described vernier scale (21) is provided with auxiliary groove (210), and described second measuring claw (20) is provided with for go deep in described annular breach and to coordinate the second claw (200) with object to be measured described in symmetric clamp with described first claw (100).
2. vernier caliper according to claim 1, is characterized in that,
The first conflict limit (102) that described first claw (100) is above conflicted with described object to be measured and the first contained side (101) are on the same line, the limit that described first contained side (101) contacts with described second measuring claw (20) for described first measuring claw (10) is upper, first base (103) vertical with described first conflict limit (102) of described first claw (100) and the base coincident of described first measuring claw (10);
The second conflict limit that described second claw (200) is above conflicted with described object to be measured and the second contained side (201) are on the same line, limit, second base vertical with described second conflict limit of described second claw (200) and the base coincident of described second measuring claw (20) that described second contained side (201) contacts with described first contained side (101) for described second measuring claw (20) is upper.
3. vernier caliper according to claim 2, is characterized in that,
The length on described first conflict limit (102) and described second conflict limit is 0.3mm ~ 0.5mm.
4. vernier caliper according to claim 3, is characterized in that,
The length on described first base (103) and described second base is 7mm ~ 10mm.
5. vernier caliper according to claim 4, is characterized in that,
The number of degrees of the angle between the second hypotenuse that the first hypotenuse (104) that described first claw (100) is upper to be connected with described first conflict limit (102) and described second claw (200) are connected with described second conflict limit and surface level are 18 ° ~ 20 °.
6. vernier caliper according to claim 5, is characterized in that,
Described first contained side (101) is provided with the first breach (300) for the formation of described first claw (100), described first breach (300) comprises base and crossing with described base two hypotenuses, the base of described first breach (300) is parallel with described first contained side (101), a hypotenuse of described first breach (300) overlaps with described first hypotenuse (104), and another hypotenuse and the surface level of described first breach (300) have angle;
Described second contained side (201) is provided with the second breach (400) for the formation of described second claw (200) and corresponding with described first breach (300), described second breach (400) comprises base and crossing with described base two hypotenuses, the base of described second breach (400) is parallel with described second contained side (201), a hypotenuse of described second breach (400) overlaps with described second hypotenuse, and another hypotenuse and the surface level of described second breach (400) have angle.
7. vernier caliper according to claim 6, is characterized in that,
The length on described first breach (300) and described second breach (400) both bases is 12mm ~ 15mm;
Described first breach (300) and described second breach (400) both and the surface level angle had between the hypotenuse of angle and surface level be the angle of 20 ° ~ 40 °.
8. vernier caliper according to claim 2, is characterized in that,
Described first contained side (101) also processes the first groove (500), and described first groove (500) is through along the direction of vertical described first contained side (101);
Described second contained side (201) is processed with second groove (600) corresponding with described first groove (500), and described second groove (600) is through along the direction of vertical described second contained side (201).
9. vernier caliper according to claim 1, is characterized in that,
The measurement range of described main groove (110) is 0mm ~ 500mm;
The measuring accuracy of described auxiliary groove (210) is 0.02mm.
10. vernier caliper according to claim 9, is characterized in that,
Described vernier caliper also comprises and carries out spacing locating part (3) to the slip of described vernier scale (21);
Described locating part (3) slides, and to be arranged in described blade (11) upper and away from described second measuring claw claw (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003793.2U CN204574981U (en) | 2015-01-05 | 2015-01-05 | Vernier caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003793.2U CN204574981U (en) | 2015-01-05 | 2015-01-05 | Vernier caliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204574981U true CN204574981U (en) | 2015-08-19 |
Family
ID=53867604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520003793.2U Expired - Fee Related CN204574981U (en) | 2015-01-05 | 2015-01-05 | Vernier caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204574981U (en) |
-
2015
- 2015-01-05 CN CN201520003793.2U patent/CN204574981U/en not_active Expired - Fee Related
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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: 20150819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |