CN215766759U - Circle center measuring tool - Google Patents
Circle center measuring tool Download PDFInfo
- Publication number
- CN215766759U CN215766759U CN202121108256.6U CN202121108256U CN215766759U CN 215766759 U CN215766759 U CN 215766759U CN 202121108256 U CN202121108256 U CN 202121108256U CN 215766759 U CN215766759 U CN 215766759U
- Authority
- CN
- China
- Prior art keywords
- positioning rod
- wall
- circle center
- cylinder outer
- cylinder
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the technical field of machining, in particular to a circle center measuring tool. The device comprises connecting pieces, two outer wall clamping rods of the cylinder body and circle center positioning rods, wherein the two outer wall clamping rods of the cylinder body are respectively and rotatably arranged on the re-connecting pieces, the circle center positioning rods are arranged on the connecting pieces at preset angles, and the projection of the circle center positioning rods is superposed with the angle bisector of the two outer wall clamping rods of the cylinder body. The utility model has the advantages that: the design comprises a connecting piece, a cylindrical outer wall clamping rod and a circle center positioning rod, and has the advantages of simple structure, convenient processing and low production cost; the circle center of the cylinder can be found out only by measuring twice, the operation is convenient, and the circle center detection work can be completed by only one person; meanwhile, the product of the design determines the circle center of the cylinder through the intersection point of the line drawing end in two operations, and has the advantages of high circle center determination precision, convenience in use, convenience in product detection and the like.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a circle center measuring tool.
Background
In the machining process, a plurality of cylinder structures with different pipe diameters are involved, and in the important dimension positioning inspection, the dimension positioning of the diameter of the cylinder is difficult to inspect through the outer circumference of the cylinder under the influence of the side wall of the cylinder, and the center point of the bottom surface of the cylinder needs to be measured to assist in determining whether the dimension positioning of the cylinder meets the specification requirements. Because the existence of the outer circumference of the cylinder, how to determine the circle center of the cylinder structure is a difficult problem, and the situation that the measured data is not consistent with the actual situation due to inaccurate circle center return points often occurs, it is necessary to find a measuring tool which is simple and convenient and can accurately find the circle center of any cylinder structure.
Disclosure of Invention
The utility model aims to provide a circle center measuring tool, which overcomes the defects of the prior art and can quickly determine the circle center of any cylinder.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the circle center measuring tool is characterized by comprising a cylindrical outer wall clamping rod assembly and a circle center positioning rod, wherein the first cylindrical outer wall positioning rod and the second cylindrical outer wall positioning rod are identical in structure, and the first cylindrical outer wall positioning rod and the second cylindrical outer wall positioning rod are arranged at a preset angle;
centre of a circle locating lever passes through coupling assembling setting in cylinder outer wall screens pole subassembly top, and centre of a circle locating lever orthographic projection and the angular bisector coincidence of the contained angle that first cylinder outer wall locating lever and second cylinder outer wall locating lever become, the drawing mouth has still been seted up to centre of a circle locating lever along its axis direction, and the length of centre of a circle locating lever is longer than the length of first cylinder outer wall locating lever.
As a further description of the above scheme, the positioning rod of the outer wall of the first cylinder is fixedly connected with the top of the positioning rod of the outer wall of the second cylinder; the connecting assembly comprises a connecting rod piece and a fixed block, the connecting rod piece is perpendicular to an angular bisector of an included angle formed by the first cylinder outer wall positioning rod and the second cylinder outer wall positioning rod, one end of the connecting rod is fixedly connected with the first cylinder outer wall positioning rod, and the other end of the connecting rod is fixedly connected with the second cylinder outer wall positioning rod; the fixed block is arranged on the connecting rod piece, and the circle center positioning rod is fixed on the top surface of the fixed block.
As a further description of the above solution, the connecting assembly is a structure enclosed by the top plate and the front and rear end plates.
As a further description of the above scheme, gears are disposed on the tops of the first cylinder outer wall positioning rod and the second cylinder outer wall positioning rod, the gears are disposed between the front end plate and the rear end plate, and the first cylinder outer wall positioning rod and the second cylinder outer wall positioning rod are meshed with each other through the gears on the tops.
As a further description of the above scheme, the outer wall of the front end plate is further provided with a circle center positioning rod connecting part; the circle center positioning rod is connected with the circle center positioning rod connecting part in a damping rotation mode, and the circle center positioning rod is configured to rotate along a plane perpendicular to the plane where the first cylinder outer wall positioning rod and the second cylinder outer wall positioning rod are located.
As a further description of the above solution, the circle center positioning rod and the circle center positioning rod connecting part are connected in a damping rotation manner.
As a further description of the above solution, a handle is provided on the top plate.
As a further description of the above scheme, the bottom ends of the first cylinder outer wall positioning rod and the second cylinder outer wall positioning rod are both provided with a conical clamping portion.
Compared with the prior art, the utility model has the following beneficial effects:
1. the circle center measuring tool comprises a front end plate, a cylindrical outer wall clamping rod and a circle center positioning rod, and is simple in structure, convenient to machine and low in production cost.
2. The utility model can find the circle center of the cylinder by only measuring twice, has convenient operation and can finish the circle center detection work by only one person.
3. The utility model determines the circle center of the cylinder through the intersection point of the line drawing ends in two operations, and has the advantages of high circle center determination precision, convenient use, convenient product detection and the like.
Drawings
FIG. 1 is a plan view of embodiment 1 of the present invention;
FIG. 2 is a right side view of embodiment 1 of the present invention;
FIG. 3 is a schematic diagram illustrating the operation of embodiment 1 in measuring the center of a cylindrical workpiece according to the present invention;
FIG. 4 is a top view of embodiment 2 of the present invention;
in the figure: 1-a first cylinder outer wall positioning rod; 2-a second cylinder outer wall positioning rod; 3-circle center positioning rod; 4-a tapered clamping portion; 5-a gear; 6-front end plate; 7-circle center positioning rod connecting part; 8-a handle; 9-a connecting rod; 10-fixing blocks; 11-the cylindrical workpiece to be measured.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
As shown in fig. 1-4, a circle center measuring tool according to an embodiment of the present invention includes a cylindrical outer wall clamping rod assembly and a circle center positioning rod 3, the first cylindrical outer wall positioning rod 1 and the second cylindrical outer wall positioning rod 2 have the same structure, and the first cylindrical outer wall positioning rod 1 and the second cylindrical outer wall positioning rod 2 are arranged at a predetermined angle; centre of a circle locating lever 3 passes through coupling assembling setting in cylinder outer wall screens pole subassembly top, and 3 orthographic projections of centre of a circle locating lever coincide with the angular bisector of the contained angle that first cylinder outer wall locating lever 1 and second cylinder outer wall locating lever 2 become, and centre of a circle locating lever 3 prolongs its axis direction and has still seted up the drawing mouth, and the length of centre of a circle locating lever 3 is longer than the length of first cylinder outer wall locating lever 1. The design comprises a connecting component, a cylindrical outer wall clamping rod and a circle center positioning rod 3, and has the advantages of simple structure, convenience in processing and low production cost; the circle center of the cylinder can be found out only by measuring twice, the operation is convenient, and the circle center detection work can be completed by only one person; meanwhile, the product of the design determines the circle center of the cylinder through the intersection point of the line drawing end in two operations, and has the advantages of high circle center determination precision, convenience in use, convenience in product detection and the like.
Example 1:
as shown in fig. 1-2, a first cylindrical outer wall positioning rod 1 is fixedly connected with the top of a second cylindrical outer wall positioning rod 2; the connecting assembly comprises a connecting rod piece and a fixing block, the connecting rod piece is perpendicular to an angular bisector of an included angle formed by the first cylinder outer wall positioning rod 1 and the second cylinder outer wall positioning rod 2, one end of the connecting rod 9 is fixedly connected with the first cylinder outer wall positioning rod 1, and the other end of the connecting rod 9 is fixedly connected with the second cylinder outer wall positioning rod 2; wherein the fixed block 10 is arranged on the connecting rod piece 9, and the circle center positioning rod 3 is fixed on the top surface of the fixed block 10.
As shown in fig. 3, when the diameter of the cylinder or the center of the bottom surface of the cylinder is detected in the use of embodiment 1, the first cylinder outer wall positioning rod 1 and the second cylinder outer wall positioning rod 2 are firstly abutted on the outer wall of the cylinder workpiece 11 to be detected, the line drawing pen is extended into the line drawing opening of the center positioning rod 3, and a straight line is drawn through the line drawing pen, then the second operation is carried out, the first cylinder outer wall positioning rod 1 and the second cylinder outer wall positioning rod 2 are used for being abutted against different positions of the outer wall of the cylinder workpiece 11 to be measured, the line drawing pen extends into a line drawing opening of the circle center positioning rod 3, and drawing a straight line by drawing a line, wherein the intersection point of the two straight lines is the center of the bottom surface of the cylindrical workpiece 11 to be measured, and then whether the diameter size of the cylinder or the center deviation of the bottom surface of the cylinder meets the specification requirement can be detected through the determined center.
Example 2:
as shown in fig. 4, the connecting assembly is a structure enclosed by the top plate and the front and rear end plates 6 and 6. The structure can enable the stretching angles of the first cylinder outer wall positioning rod 1 and the second cylinder outer wall positioning rod 2 on the left side and the right side to be larger, so that the circle centers of cylinder workpieces with different diameters can be measured, and the operation of detection workers is more convenient.
As shown in fig. 4, wherein the top of the first cylinder outer wall positioning rod 1 and the top of the second cylinder outer wall positioning rod 2 are both provided with a gear 5, the gear 5 is arranged between the front end plate 6 and the rear end plate, wherein the first cylinder outer wall positioning rod 1 and the second cylinder outer wall positioning rod 2 are connected through the gear 5 at the top in an engaged manner, and the initial positions of the first cylinder outer wall positioning rod 1 and the second cylinder outer wall positioning rod 2 are arranged in parallel to each other, and the design can expand the first cylinder outer wall positioning rod 1 and the second cylinder outer wall positioning rod 2 at equal angles, so as to ensure the coincidence of the circle center positioning rod 3 and the angular bisector, thereby ensuring the circle center determination work to be more accurate.
As shown in fig. 4, the outer wall of the front end plate 6 is further provided with a circle center positioning rod connecting part 7; the circle center positioning rod 3 is connected with the circle center positioning rod connecting part 7 in a damping rotation mode, and the circle center positioning rod 3 is configured to rotate along a plane perpendicular to the planes where the first cylinder outer wall positioning rod 1 and the second cylinder outer wall positioning rod 2 are located. The design can control the rotating angle of the circle center positioning rod 3, so that the angle of the circle center positioning rod 3 can be adjusted more easily when an operator performs the work of measuring the circle center of the cylinder, and the operation is more convenient.
As shown in fig. 4, the center positioning rod 3 includes a rotating rod 21 and a line drawing end 22, wherein the rotating rod 21 and the center positioning rod connecting portion 31 are connected in a damped rotation.
The outer wall of the front end plate 6 and/or the outer wall of the rear end plate are/is provided with scale marks of the bisector of the included angle of the two clamping rods 1 on the outer wall of the cylinder body. Because first cylinder outer wall locating lever 1 and second cylinder outer wall locating lever 2 are through the angle such as gear 5 open, this kind of design can be through the scale mark inspection of contained angle bisector and the angle between first cylinder outer wall locating lever 1 and the second cylinder outer wall locating lever 2, avoid the instrument after long service life, because the projection of 3 central lines of centre of a circle locating lever does not coincide with the contained angle bisector, to measuring the cylinder centre of a circle, the error that brings.
As shown in fig. 4, a handle 8 is provided on the top plate for easy operation.
As shown in fig. 4, the bottom end of the cylinder outer wall clamping rod 1 is provided with a conical clamping part 4. The design can facilitate the clamping of the outer wall of the cylinder in the measurement of the circle center of the cylinder, thereby facilitating the operation of operators.
As shown in fig. 2, in the embodiment 2, when the diameter of the cylinder or the center of the bottom surface of the cylinder is detected, the outer wall of the cylindrical workpiece 11 to be detected is clamped by the first cylinder outer wall positioning rod 1 and the second cylinder outer wall positioning rod 2 by the adjusting gear 5, the position of the drawn line is adjusted by rotating the center positioning rod 3, the drawn line pen is inserted into the line drawing port of the center positioning rod 3 and draws a straight line by the drawn line, then the adjusting gear 5 adjusts the position of the drawn line by rotating the center positioning rod 3 and extends the drawn line pen into the line drawing port of the center positioning rod 3 and draws a straight line by the drawn line, the intersection point of the two straight lines is the center of the bottom surface of the cylindrical workpiece 11 to be detected, and then whether the diameter size of the cylinder or the center deviation of the bottom surface of the cylinder meets the specification requirement can be detected through the determined center.
The method has the advantages of high circle center determining precision, convenience in use, convenience in product detection and the like.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A tool for measuring the circle center, which is characterized by comprising a cylindrical outer wall clamping rod component and a circle center positioning rod (3),
the first cylinder outer wall positioning rod (1) and the second cylinder outer wall positioning rod (2) are identical in structure, and the first cylinder outer wall positioning rod (1) and the second cylinder outer wall positioning rod (2) are arranged at a preset angle;
centre of a circle locating lever (3) pass through coupling assembling setting in cylinder outer wall screens pole subassembly top, and centre of a circle locating lever 3 orthographic projection and the angular bisector coincidence of the contained angle that first cylinder outer wall locating lever (1) and second cylinder outer wall locating lever (2) become, centre of a circle locating lever (3) have still seted up the drawing line mouth along its axis direction, and the length of centre of a circle locating lever (3) is longer than the length of first cylinder outer wall locating lever (1).
2. The circle center measuring tool according to claim 1, wherein the positioning rod (1) on the outer wall of the first cylinder is fixedly connected with the top of the positioning rod (2) on the outer wall of the second cylinder;
the connecting assembly comprises a connecting rod piece and a fixing block, the connecting rod piece is perpendicular to an angular bisector of an included angle formed by the first cylinder outer wall positioning rod (1) and the second cylinder outer wall positioning rod (2), one end of the connecting rod 9 is fixedly connected with the first cylinder outer wall positioning rod (1), and the other end of the connecting rod 9 is fixedly connected with the second cylinder outer wall positioning rod (2);
the fixed block 10 is arranged on the connecting rod piece 9, and the circle center positioning rod (3) is fixed on the top surface of the fixed block 10.
3. A tool as claimed in claim 1, wherein the linkage assembly is a structure bounded by the top plate and the front (6) and rear end plates.
4. The circle center measuring tool according to claim 3, wherein gears (5) are arranged at the tops of the first cylinder outer wall positioning rod (1) and the second cylinder outer wall positioning rod (2), the gears (5) are arranged between the front end plate (6) and the rear end plate, and the first cylinder outer wall positioning rod (1) and the second cylinder outer wall positioning rod (2) are connected in a meshed mode through the gears (5) at the tops.
5. The circle center measuring tool according to claim 4, wherein a circle center positioning rod connecting part (7) is further arranged on the outer wall of the front end plate (6); the circle center positioning rod (3) is connected with the circle center positioning rod connecting portion (7) in a damping rotation mode, and the circle center positioning rod (3) is configured to rotate along a plane perpendicular to the first cylinder outer wall positioning rod (1) and the second cylinder outer wall positioning rod (2).
6. The circle center measuring tool according to claim 5, wherein the circle center positioning rod (3) is connected with the circle center positioning rod connecting part (7) in a damping rotation mode.
7. The circle center measuring tool according to claim 6, wherein a handle (8) is arranged on the top plate.
8. The circle center measuring tool according to claim 1, wherein the bottom ends of the first cylinder outer wall positioning rod (1) and the second cylinder outer wall positioning rod (2) are provided with conical clamping parts (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121108256.6U CN215766759U (en) | 2021-05-24 | 2021-05-24 | Circle center measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121108256.6U CN215766759U (en) | 2021-05-24 | 2021-05-24 | Circle center measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215766759U true CN215766759U (en) | 2022-02-08 |
Family
ID=80097838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121108256.6U Expired - Fee Related CN215766759U (en) | 2021-05-24 | 2021-05-24 | Circle center measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215766759U (en) |
-
2021
- 2021-05-24 CN CN202121108256.6U patent/CN215766759U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100713678B1 (en) | A tool setting device | |
| CN113340238B (en) | Detection method for detecting angles and positions of small inclined holes in large holes and small inclined holes of parts | |
| CN215766759U (en) | Circle center measuring tool | |
| CN202420363U (en) | Single part checking fixture for automobile door | |
| US4554747A (en) | Convex radius gauge | |
| CN111623693A (en) | Cylinder roundness detection tool | |
| CN111947534B (en) | Device and method for detecting position degree and aperture of spatial different-surface hole | |
| CN203254091U (en) | Tool structure shared by clamp and inspection tool of stamping part | |
| CN213021305U (en) | High-precision high-detection-speed automobile part detection tool | |
| CN206772203U (en) | It is exclusively used in detecting the device of valve retainer roundness of external circle | |
| CN112129199A (en) | Large-size shell full-length measuring device with oval end and cylindrical end | |
| CN201016683Y (en) | Adjustable inner taper gauge | |
| CN213363619U (en) | Large-size shell full-length measuring device with oval end and cylindrical end | |
| CN112461181B (en) | Method for accurately measuring radius of spherical segment by using three-coordinate measuring machine | |
| CN114193233B (en) | Device for installing and debugging optical probe on machining center and use method | |
| CN217424189U (en) | Measuring tool for detecting positioning cone for numerical control exchange rotary table | |
| CN108168399B (en) | Hole diameter and hole position measurer | |
| CN217688622U (en) | Special calibrating device of industry endoscope | |
| CN213765106U (en) | Machining center rotation center test piece | |
| CN218776840U (en) | Manual detection device for deformation point position of inner wall of tubular pile die | |
| CN211346699U (en) | Bolt overall dimension examines utensil | |
| CN221037219U (en) | Axle journal diameter gauge | |
| CN116448046B (en) | Device and method for measuring perpendicularity error of end face of cylindrical part | |
| CN218764975U (en) | Inner hole center position degree checking fixture | |
| CN117444929A (en) | Bolt hole positioning device for extra-large-size flange and application method of bolt hole positioning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |