CN221147481U - Positioning and clamping structure of flatness inspection tool - Google Patents
Positioning and clamping structure of flatness inspection tool Download PDFInfo
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- CN221147481U CN221147481U CN202322796694.1U CN202322796694U CN221147481U CN 221147481 U CN221147481 U CN 221147481U CN 202322796694 U CN202322796694 U CN 202322796694U CN 221147481 U CN221147481 U CN 221147481U
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- clamping structure
- hoop
- positioning
- inspection tool
- flatness
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- 238000007689 inspection Methods 0.000 title claims description 19
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 abstract description 3
- 239000013074 reference sample Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a positioning and clamping structure of a flatness detecting tool, which comprises a vertical rod, a supporting hoop and a reference piece, wherein the surface of the reference piece is respectively provided with a reference surface and a pair of lugs, the lugs are respectively arranged on the left side and the right side of the reference surface, the upper end of the vertical rod is fixedly connected with the supporting hoop, the lower end of the vertical rod extends downwards along the vertical direction, and the lugs are supported in the supporting hoop. By adopting the technical scheme of the utility model, the reference piece is supported by the upright rod, an operator does not need to hold the reference piece by hand, only the surface to be detected on the part and the reference surface patch on the reference piece are needed, the flatness of the corresponding surface to be detected on the part can be detected by using the feeler gauge or the plug gauge, in the detection process, the operator does not need to hold the reference piece by hand, the manual labor of the operator is saved, the reference piece is provided with a uniform positioning reference, the detection error is reduced, and the reliability of the detection result is improved.
Description
Technical Field
The utility model belongs to the technical field of inspection tools, and particularly relates to a positioning and clamping structure of a flatness inspection tool.
Background
Flatness is an important technical index of the flat plate-shaped structural characteristics of the parts, after the parts are manufactured and formed, flatness of corresponding flat characteristic elements of the parts is often required to be checked, a three-coordinate measuring instrument or a dial indicator is generally adopted for checking in the prior art, and if the parts are produced in a large scale, corresponding checking tools are generally required to be prepared, so that checking efficiency is improved, and checking working time is saved.
For example, the bulletin number is: the patent literature of CN213748236U discloses a flatness detection tool for a lifting seat under a vehicle, which comprises a base, wherein the base is in an inverted T shape, the base is formed by integrally pouring steel, and a plurality of threaded holes are formed in the top surface of the base; the acceptance hanger is arranged on the top surface of the base and is connected with the base through bolts, a rotating gear is arranged on one side of an inner cavity of the acceptance hanger through a bearing, and the top of the acceptance hanger is provided with two symmetrical planes; and the pressing plate is provided with a sliding sleeve on one side, and the sliding sleeve is nested on one side of the acceptance hanger and can freely slide along the vertical direction on one side of the acceptance hanger. By adopting the technical scheme provided by the patent document, the clearance between the two symmetrical planes at the top of the tested sample piece and the acceptance hanger and the bottom surface of the pressing plate is detected through the feeler gauge, so that whether the tested sample piece is qualified or not is detected, and the accuracy of the test is further improved while the efficient test is ensured. However, when the flatness of the plane characteristic elements of the large-size parts is tested, the dimension of the parts is larger, so that the external dimension of the corresponding reference sample is larger, the reference sample is quite heavy, an operator cannot hold the reference sample and the parts for comparison, and cannot test by using tools such as a plug gauge or a plug ruler, and the like, and the handheld reference sample cannot determine a uniform positioning reference, so that the test error is larger, and the reliability of the test result is lower.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a positioning and clamping structure of a flatness detecting tool.
The utility model is realized by the following technical scheme.
The utility model provides a positioning and clamping structure of a flatness detecting tool, which comprises a vertical rod, a supporting hoop and a reference piece, wherein the surface of the reference piece is respectively provided with a reference surface and a pair of lugs, the lugs are respectively arranged on the left side and the right side of the reference surface, the upper end of the vertical rod is fixedly connected with the supporting hoop, the lower end of the vertical rod extends downwards along the vertical direction, and the lugs are supported in the supporting hoop.
The flatness inspection tool positioning and clamping structure comprises a lug cover, a first sinking groove is formed in the surface of the lug, a second sinking groove is formed in the surface of the lug cover, the lug is fixedly connected with the lug cover, the first sinking groove and the second sinking groove form a containing hole, the guide pin is supported in the containing hole by a spring, the axial direction of the guide pin is perpendicular to the reference surface, a positioning hole is formed in the surface of the support hoop, and the inclination angle between the axial direction of the positioning hole and the axial direction of the vertical rod is larger than zero.
The inclination angle between the axial direction of the positioning hole and the axial direction of the vertical rod is 5 degrees, 30 degrees or 45 degrees.
The number of the positioning holes is more than 3.
The flatness detection tool positioning clamping structure further comprises a cover hoop, two ends of the cover hoop are respectively fixedly connected with two ends of the support hoop, and the lug is clamped between the support hoop and the cover hoop.
The shape and the size of the support hoop are consistent with those of the cover hoop, and the support hoop or the cover hoop is semicircular as a whole.
The upright can be replaced by a full-thread screw.
The lower end of the vertical rod is fixedly connected with the base.
The whole base is cuboid.
The surface of the reference piece is also provided with a plurality of hollowed-out holes.
The utility model has the beneficial effects that: by adopting the technical scheme of the utility model, the reference piece is supported by the upright rod, an operator does not need to hold the reference piece by hand, only the surface to be detected on the part and the reference surface patch on the reference piece are needed, the flatness of the corresponding surface to be detected on the part can be detected by using the feeler gauge or the plug gauge, in the detection process, the operator does not need to hold the reference piece by hand, the manual labor of the operator is saved, the reference piece is provided with a uniform positioning reference, the detection error is reduced, and the reliability of the detection result is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a cross-sectional view of the present utility model taken along the line A-A in FIG. 2;
FIG. 4 is a front view of a lug of the present utility model;
Fig. 5 is a front view of the earcap of the present utility model.
In the figure: the device comprises a vertical rod 1, a supporting hoop 2, a reference piece 3, a lug cover 4, a guide pin 5, a spring 6, a cover hoop 7, a base 8, a positioning hole 21, a reference surface 31, a lug 32, a hollow hole 33, a first sinking groove 34 and a second sinking groove 41.
Detailed Description
The technical solution of the present utility model is further described below, but the scope of the claimed utility model is not limited to the above.
As shown in fig. 1 to 5, the utility model provides a positioning and clamping structure of a flatness detecting tool, which comprises a vertical rod 1, a supporting hoop 2 and a reference piece 3, wherein the surface of the reference piece 3 is respectively provided with a reference surface 31 and a pair of lugs 32, the lugs 32 are respectively arranged on the left side and the right side of the reference surface 31, the upper end of the vertical rod 1 is fixedly connected with the supporting hoop 2, the lower end of the vertical rod 1 extends downwards along the vertical direction, and the lugs 32 are supported in the supporting hoop 2.
By adopting the technical scheme of the utility model, the reference piece is supported by the upright rod, an operator does not need to hold the reference piece by hand, only the surface to be detected on the part and the reference surface patch on the reference piece are needed, the flatness of the corresponding surface to be detected on the part can be detected by using the feeler gauge or the plug gauge, in the detection process, the operator does not need to hold the reference piece by hand, the manual labor of the operator is saved, the reference piece is provided with a uniform positioning reference, the detection error is reduced, and the reliability of the detection result is improved.
Specifically, the flatness inspection tool positioning and clamping structure further comprises an ear cover 4 and a guide pin 5, a first sinking groove 34 is formed in the surface of the lug 32, a second sinking groove 41 is formed in the surface of the ear cover 4, the lug 32 is fixedly connected with the ear cover 4, the first sinking groove 34 and the second sinking groove 41 form a containing hole, the guide pin 5 is supported in the containing hole by using a spring 6, the axial direction of the guide pin 5 is perpendicular to the datum plane 31, a positioning hole 21 is formed in the surface of the support hoop 2, and the inclination angle between the axial direction of the positioning hole 21 and the axial direction of the vertical rod 1 is larger than zero. The inclination angle between the axial direction of the positioning hole 21 and the axial direction of the vertical rod 1 is 5 degrees, 30 degrees or 45 degrees. The number of the positioning holes 21 is 3 or more. By adopting the technical scheme of the utility model, when the reference piece is rotated to enable the guide pin 5 to be sleeved in the corresponding positioning hole 21, the reference surface has a corresponding inclination angle relative to the horizontal plane, so that an operator can conveniently test the flatness of the corresponding inclined surface to be tested on the part to be tested.
In addition, the flatness inspection tool positioning and clamping structure further comprises a cover hoop 7, two ends of the cover hoop 7 are respectively fixedly connected with two ends of the support hoop 2, and the lugs 32 are clamped between the support hoop 2 and the cover hoop 7. Preferably, the shape and the size of the support hoop 2 are consistent with those of the cover hoop 7, and the support hoop 2 or the cover hoop 7 is semicircular as a whole. Therefore, the reference piece clamping is stable and reliable, the reference piece always has a uniform positioning reference, the improvement of the inspection precision is facilitated, and the reliability of the inspection result is ensured.
Furthermore, the upright 1 can be replaced by a full-threaded screw. Therefore, the relative height between the reference piece and the base 8 can be adjusted by rotating the vertical rod 1, and the flatness of the corresponding surface to be tested on the parts with different height sizes can be conveniently checked.
Specifically, the lower end of the vertical rod 1 is also fixedly connected with the base 8. The base 8 is generally rectangular. The surface of the reference member 3 is also provided with a plurality of hollowed-out holes 33. Thereby reducing the weight of the reference member 3 itself and facilitating the disassembly or assembly of the present utility model.
Claims (10)
1. The utility model provides a flatness examines utensil location clamping structure which characterized in that: including pole setting (1), support hoop (2) and benchmark piece (3), the surface of benchmark piece (3) is equipped with datum plane (31) and a pair of lug (32) respectively to the pair of lug (32) divide to list the left and right sides of datum plane (31), the upper end and the support hoop (2) of pole setting (1) link firmly, the lower extreme of pole setting (1) extends downwards along vertical direction, lug (32) support in support hoop (2).
2. The flatness inspection tool positioning and clamping structure of claim 1, wherein: the flatness inspection tool positioning clamping structure further comprises an ear cover (4) and a guide pin (5), a first sinking groove (34) is formed in the surface of the lug (32), a second sinking groove (41) is formed in the surface of the ear cover (4), the lug (32) is fixedly connected with the ear cover (4), the first sinking groove (34) and the second sinking groove (41) form a containing hole, the guide pin (5) is supported in the containing hole by a spring (6), the axial direction of the guide pin (5) is perpendicular to the reference surface (31), a positioning hole (21) is formed in the surface of the support hoop (2), and the inclination angle between the axial direction of the positioning hole (21) and the axial direction of the vertical rod (1) is larger than zero.
3. The flatness inspection tool positioning and clamping structure of claim 2, wherein: the inclination angle between the axial direction of the positioning hole (21) and the axial direction of the vertical rod (1) is 5 degrees, 30 degrees or 45 degrees.
4. A flatness inspection tool positioning and clamping structure according to claim 2 or 3, characterized in that: the number of the positioning holes (21) is more than 3.
5. The flatness inspection tool positioning and clamping structure according to claim 1 or 2, characterized in that: the flatness detection tool positioning clamping structure further comprises a cover hoop (7), two ends of the cover hoop (7) are fixedly connected with two ends of the support hoop (2) respectively, and the lug (32) is clamped between the support hoop (2) and the cover hoop (7).
6. The flatness inspection tool positioning and clamping structure of claim 5, wherein: the shape and the size of the support hoop (2) are consistent with those of the cover hoop (7), and the support hoop (2) or the cover hoop (7) is semicircular as a whole.
7. A flatness inspection tool positioning and clamping structure according to any one of claims 1 to 3, characterized in that: the vertical rod (1) can be replaced by a full-thread screw rod.
8. The flatness inspection tool positioning and clamping structure of claim 1, wherein: the lower end of the vertical rod (1) is fixedly connected with the base (8).
9. The flatness inspection tool positioning and clamping structure of claim 8, wherein: the whole base (8) is cuboid.
10. The flatness inspection tool positioning and clamping structure of claim 1, wherein: the surface of the reference piece (3) is also provided with a plurality of hollowed-out holes (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322796694.1U CN221147481U (en) | 2023-10-18 | 2023-10-18 | Positioning and clamping structure of flatness inspection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322796694.1U CN221147481U (en) | 2023-10-18 | 2023-10-18 | Positioning and clamping structure of flatness inspection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221147481U true CN221147481U (en) | 2024-06-14 |
Family
ID=91427574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322796694.1U Active CN221147481U (en) | 2023-10-18 | 2023-10-18 | Positioning and clamping structure of flatness inspection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221147481U (en) |
-
2023
- 2023-10-18 CN CN202322796694.1U patent/CN221147481U/en active Active
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