CN215984256U - Vernier caliper for measuring aperture of taper hole - Google Patents
Vernier caliper for measuring aperture of taper hole Download PDFInfo
- Publication number
- CN215984256U CN215984256U CN202121771062.4U CN202121771062U CN215984256U CN 215984256 U CN215984256 U CN 215984256U CN 202121771062 U CN202121771062 U CN 202121771062U CN 215984256 U CN215984256 U CN 215984256U
- Authority
- CN
- China
- Prior art keywords
- measuring
- fixed
- blade
- movable
- reference surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model relates to the technical field of machining and measurement, in particular to a vernier caliper for measuring the bore diameter of a taper hole, which comprises a main ruler, a vernier scale, a fixed measuring head and a movable measuring head, wherein the lower end of the main ruler is provided with a fixed side head, the vernier scale opposite to the fixed side head is provided with the movable measuring head, the fixed side head and the movable measuring head are provided with a first fixed measuring blade and a first movable measuring blade which are symmetrically arranged, the lower part of the first fixed measuring blade is provided with a second fixed measuring blade, the lower part of the first movable measuring blade is provided with a second movable measuring blade, the second fixed measuring blade and the second movable measuring blade are symmetrically arranged, the cross sections of the first fixed measuring blade and the first movable measuring blade are right triangles which are symmetrically arranged, the cross sections of the second fixed measuring blade and the second movable measuring blade are right triangles which are symmetrically arranged, the utility model effectively solves the problem that the part with the characteristics of the diameter measurement and the depth measurement of the taper hole cannot be directly measured and processed by the reformation of the common vernier caliper. The caliper is simple in structure, simple to use and high in measurement precision, and machining precision of the taper hole is effectively guaranteed.
Description
Technical Field
The utility model relates to the technical field of machining and measurement, in particular to a vernier caliper for measuring a taper hole diameter.
Background
In the machining of helicopter parts, parts such as conical rings, check rings and the like are often involved, and the machining method is characterized in that an inner hole is a tapered hole with certain precision, the size of the marked hole is generally not at a large end or a small end, but on a conical surface with a certain distance requirement from a large end face, and the edge of the tapered large end face is provided with an R round angle or a chamfer angle, as shown in figure 1. In the process of machining parts with the characteristics, the machining size cannot be controlled by carrying out field measurement by using a special taper plug gauge or a common vernier caliper, which brings great difficulty to the machining and measurement of the parts and is not beneficial to production.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is as follows: in order to overcome the problems, the utility model provides the vernier caliper for measuring the aperture of the taper hole, which realizes the field measurement of the aperture of the taper hole of the parts through the modification of the clamping jaw, and effectively ensures the quality of taper hole processing.
The technical scheme of the utility model is as follows:
the utility model provides a measure slide caliper in taper hole aperture, includes main scale, vernier scale, fixed gauge head and activity gauge head, the lower extreme of main scale is provided with fixed gauge head, with the vernier scale lower extreme that fixed gauge head is relative be provided with the activity gauge head, fixed gauge head and activity gauge head on be provided with symmetrical arrangement's first fixed measuring sword, first activity measuring sword, first fixed measuring sword lower part set up the fixed measuring sword of second, first activity measuring sword lower part set up the second activity measuring sword, the fixed measuring sword of second, second activity measuring sword symmetrical arrangement, first fixed measuring sword, first activity measuring sword cross-section be symmetrical arrangement's right triangle, the fixed measuring sword of second, second activity measuring sword cross-section be symmetrical arrangement's right triangle.
Furthermore, scales are arranged on the main scale and the vernier.
The vernier caliper further comprises a fastening screw, and the fastening screw is arranged on the vernier and used for fixing the vernier on the main scale.
Furthermore, the outer side surfaces of the first fixed measuring blade and the second fixed measuring blade are perpendicular to the length direction of the main scale, so that the measuring precision is ensured.
Further, first fixed measuring sword thickness is L, and L is by survey taper hole depth value h plus the taper hole axial direction and waits to finish the surplus value of work, guarantees to reduce the operating personnel and processes the degree of difficulty.
Further, the thickness of the second fixed measuring blade is the depth value h of the measured taper hole.
Further, a first measuring reference surface is arranged at the bottom of the fixed measuring head, a first fixed measuring reference surface symmetrical to the first fixed measuring reference surface is arranged at the bottom of the movable measuring head, the first fixed measuring reference surface and the first fixed measuring reference surface are flush, and the first fixed measuring reference surface are consistent with the main scale in length direction;
the bottom of the first fixed measuring blade is provided with a second fixed measuring reference surface, the bottom of the first movable measuring blade is provided with a second movable measuring reference surface, the second fixed measuring reference surface and the second movable measuring reference surface are parallel and level, and the second fixed measuring reference surface and the second movable measuring reference surface are consistent with the length direction of the main scale.
The utility model has the beneficial effects that: the utility model effectively solves the problem that the part with the characteristics of the diameter measurement and the depth measurement of the taper hole cannot be directly measured and processed by the reformation of the common vernier caliper. The caliper is simple in structure, simple to use and high in measurement precision, and machining precision of the taper hole is effectively guaranteed.
Drawings
FIG. 1 is a view of a taper hole structure;
FIG. 2 is a view of the construction of the vernier caliper of the present invention;
fig. 3 is a partially enlarged and sectional view of the fixed probe 4 and the movable probe 5 of fig. 2;
FIG. 4 is a cross-sectional view along AA of FIG. 3;
FIG. 5 is a cross-sectional view of FIG. 3 taken along direction BB;
fig. 6 is a state diagram of the measuring taper hole of the present invention.
Detailed Description
The technical solution is further described in detail below with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, a vernier caliper for measuring the diameter of a taper hole comprises a main caliper 1, a vernier 2, a fastening screw 3, a fixed measuring head 4 and a movable measuring head 5; the main scale 1 and the vernier scale 2 are provided with scales, and the upper part and the lower part of the main scale 1 and the vernier scale 2 are provided with measuring heads; the lower fixed gauge head 4 is fixed to one end of the main scale 1. The lower movable measuring head 5 is fixed with one end of the vernier 2. The fixed measuring head 4 is provided with a first measuring blade 4-2 and a second measuring blade 4-4, and the measuring blades are arranged on the outer side of the measuring head and are perpendicular to the length direction of the main scale 1. The height of the first measuring blade 4-2 of the fixed measuring head 4 is set to be a distance with a certain size, and the distance value is the depth value h of the measured taper hole plus the value of the allowance to be processed in the axial direction of the taper hole. The height of a second measuring blade 4-4 of the fixed measuring head 4 is set to be a distance with a certain size, and the distance value is the depth value h of the measured taper hole;
furthermore, the cross sections of the first measuring blade 4-2 and the second measuring blade 4-4 of the fixed measuring head 4 are both right-angled triangles and are symmetrically arranged with the first measuring blade 5-2 and the second measuring blade 5-4 on the fixed measuring head.
Further, when the vernier caliper reads 0, the first measuring edge 4-2 of the fixed measuring head 4 and the first measuring edge 5-2 of the movable measuring head 5 are set to have a certain distance with a certain size, and the distance is an integer value and has a certain precision. Similarly, the second measuring edge 4-2 of the fixed measuring head 4 and the second measuring edge 5-2 of the movable measuring head 5 are set to have a certain distance with a certain size, and the distance is an integer value and has a certain precision. And the first measuring edge distance value of the fixed measuring head 4 and the movable measuring head 5 is twice as large as the second measuring edge distance value.
Two measuring reference surfaces 4-1 and 4-3 are arranged on the further fixed measuring head 4 and are consistent with (parallel to) the length direction of the main scale 1, and two measuring reference surfaces 5-1 and 5-3 are arranged on the movable measuring head 5 and are also consistent with (parallel to) the length direction of the main scale 1;
furthermore, a measuring reference surface 4-1 on the fixed measuring head 4 is flush with a measuring reference surface 5-1 of the movable measuring head; similarly, the measuring reference surface 4-3 of the fixed measuring head 4 is flush with the measuring reference surface 5-3 of the movable measuring head.
Furthermore, during measurement, a caliper measurement reference surface is tightly attached to the large end surface of the taper hole of the workpiece, the measurement edges of the fixed measuring head 4 and the movable measuring head 5 are attached to the surface of the taper hole of the workpiece to be measured, the reading of the vernier caliper is read, the reading of the vernier caliper is added to the distance value of the second measurement edge, and the size of the diameter value of the taper hole to be measured can be determined; the vernier 2 is provided with a fastening screw 3 which can fix the vernier 2 at a certain position on the main scale 1. The vernier caliper can be a dial caliper or a digital display caliper.
The utility model discloses a method for processing and measuring a workpiece with a taper hole structure, which comprises the following steps:
the method comprises the following steps: aligning the axial direction of a workpiece 6, turning the end surfaces of a taper hole and a hole, controlling the taper hole to measure the dimension D by using a first measuring edge 4-2 of a caliper, measuring the hole diameter of the taper hole by using the first measuring edge 4-2 of the caliper, and if the hole diameter does not reach the dimension D of the measured hole diameter, continuously processing the taper hole until the hole diameter measured by the caliper is D; and if the hole diameter is larger than the dimension of the measured hole diameter D, adding the end face of the conical hole until the hole diameter measured by the caliper is D.
Step two: and (3) continuing to perform additional processing on the workpiece 6 which is processed until the taper hole passes through the D, controlling the axial measurement dimension h of the taper hole by using a second measurement edge 4-4 of the caliper, wherein the processing amount of the end face of the taper hole is the difference between the height of the first measurement edge 4-2 and the measurement height h of the taper hole, and finishing the fillet or chamfer processing of the orifice of the taper hole after the depth of the taper hole reaches the dimension value of h.
The utility model effectively solves the problem that the part with the characteristics of the diameter measurement and the depth measurement of the taper hole cannot be directly measured and processed by the reformation of the common vernier caliper. The caliper is simple in structure, simple to use and high in measurement precision, and machining precision of the taper hole is effectively guaranteed.
The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.
Claims (7)
1. The utility model provides a measure slide caliper in taper hole aperture which characterized in that: the measuring tool comprises a main scale (1), a vernier scale (2), a fixed measuring head (4) and a movable measuring head (5), wherein the lower end of the main scale (1) is provided with the fixed measuring head (4), the lower end of the vernier scale (2) opposite to the fixed measuring head (4) is provided with the movable measuring head (5), the fixed measuring head (4) and the movable measuring head (5) are provided with a first fixed measuring blade (4-2) and a first movable measuring blade (5-2) which are symmetrically arranged, the lower part of the first fixed measuring blade (4-2) is provided with a second fixed measuring blade (4-4), the lower part of the first movable measuring blade (5-2) is provided with a second movable measuring blade (5-4), the second fixed measuring blade (4-4) and the second movable measuring blade (5-4) are symmetrically arranged, and the first fixed measuring blade (4-2) and the second movable measuring blade (5-4) are symmetrically arranged, The section of the first movable measuring blade (5-2) is a right triangle which is symmetrically arranged, and the sections of the second fixed measuring blade (4-4) and the second movable measuring blade (5-4) are right triangles which are symmetrically arranged.
2. A vernier caliper for measuring the diameter of a tapered hole according to claim 1, wherein: scales are arranged on the main scale (1) and the vernier scale (2).
3. A vernier caliper for measuring the diameter of a tapered hole according to claim 1, wherein: the vernier caliper further comprises a fastening screw (3), wherein the fastening screw (3) is arranged on the vernier caliper (2) and used for fixing the vernier caliper (2) on the main scale (1).
4. A vernier caliper for measuring the diameter of a tapered hole according to claim 1, wherein: the outer side surfaces of the first fixed measuring blade (4-2) and the second fixed measuring blade (4-4) are perpendicular to the length direction of the main scale (1), and measuring accuracy is guaranteed.
5. The vernier caliper for measuring the diameter of a taper hole according to claim 4, wherein: the thickness of the first fixed measuring blade (4-2) is L, the L is the depth value h of the measured taper hole plus the value of the allowance to be processed in the axial direction of the taper hole, and the processing difficulty of operators is guaranteed to be reduced.
6. The vernier caliper for measuring the diameter of a taper hole according to claim 4, wherein: the thickness of the second fixed measuring blade (4-4) is the depth value h of the measured taper hole.
7. A vernier caliper for measuring the diameter of a tapered hole according to claim 1, wherein: the bottom of the fixed measuring head (4) is provided with a first measuring reference surface (4-1), the bottom of the movable measuring head (5) is provided with a first fixed measuring reference surface (4-1) which is symmetrical to the first fixed measuring reference surface (5-1), the first fixed measuring reference surface (4-1) and the first fixed measuring reference surface (5-1) are flush, and the length directions of the first fixed measuring reference surface (4-1) and the first fixed measuring reference surface (5-1) are consistent with that of the main scale (1);
the bottom of the first fixed measuring blade (4-2) is provided with a second fixed measuring reference surface (4-3), the bottom of the first movable measuring blade (5-2) is provided with a second movable measuring reference surface (5-3), the second fixed measuring reference surface (4-3) and the second movable measuring reference surface (5-3) are flush, and the second fixed measuring reference surface (4-3) and the second movable measuring reference surface (5-3) are consistent with the length direction of the main scale (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121771062.4U CN215984256U (en) | 2021-07-30 | 2021-07-30 | Vernier caliper for measuring aperture of taper hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121771062.4U CN215984256U (en) | 2021-07-30 | 2021-07-30 | Vernier caliper for measuring aperture of taper hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215984256U true CN215984256U (en) | 2022-03-08 |
Family
ID=80515512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121771062.4U Active CN215984256U (en) | 2021-07-30 | 2021-07-30 | Vernier caliper for measuring aperture of taper hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215984256U (en) |
-
2021
- 2021-07-30 CN CN202121771062.4U patent/CN215984256U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102303266B (en) | Special protractor for taper hole | |
| CN203843832U (en) | Straight rule with holes | |
| CN205209415U (en) | Accurate taper hole NULL device | |
| CN215984256U (en) | Vernier caliper for measuring aperture of taper hole | |
| CN103486925A (en) | Angle micrometer and workpiece measuring method of same | |
| CN211317140U (en) | Deep hole step height measuring device | |
| CN101556131B (en) | Special angle gauge for outer cone | |
| CN111879212A (en) | Method for detecting space size of part | |
| CN109458914B (en) | Inclined hole depth measuring tool | |
| CN112304192A (en) | Length measuring device for cutter of numerical control machine tool | |
| CN212692767U (en) | Angle measuring device for machining of numerical control planer type milling machine | |
| CN107388924A (en) | A kind of taper pin dimension measuring device and measuring method | |
| US5778553A (en) | Dimension transfer tool | |
| CN114812327A (en) | Measure measuring tape of concrete member surface irregular damage face deepest | |
| CN210603114U (en) | Measure measuring device of blind hole degree of depth | |
| CN209745147U (en) | Three-point type outside micrometer | |
| CN207703098U (en) | A kind of taper pin dimension measuring device | |
| CN219404271U (en) | Adjustable line drawing auxiliary device | |
| CN204666056U (en) | Edge-shaped micrometric depth gauge | |
| CN112229290A (en) | Vernier caliper for measuring aperture of taper hole and measuring method | |
| CN109724497B (en) | Method for online detecting radius value of inner sphere | |
| CN219810384U (en) | Hook depth gauge | |
| CN217980078U (en) | Wide-base angle square | |
| CN201016683Y (en) | Adjustable inner taper gauge | |
| CN211373443U (en) | Diameter tolerance measuring meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |