CN220322256U - Gauge for diameter of excircle of deep narrow groove - Google Patents
Gauge for diameter of excircle of deep narrow groove Download PDFInfo
- Publication number
- CN220322256U CN220322256U CN202321928753.XU CN202321928753U CN220322256U CN 220322256 U CN220322256 U CN 220322256U CN 202321928753 U CN202321928753 U CN 202321928753U CN 220322256 U CN220322256 U CN 220322256U
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- diameter
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- 238000001514 detection method Methods 0.000 abstract description 17
- 238000005259 measurement Methods 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 5
- 241001422033 Thestylus Species 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a gauge for detecting the diameter of the excircle of a deep narrow groove, which comprises a measuring mechanism, wherein the measuring mechanism comprises a fixed measuring needle and a movable measuring needle, the fixed measuring needle is connected with a first connecting block, the first connecting block is fixed at one end of the fixed groove, the movable measuring needle is connected with a second connecting block, an elastic head penetrates through the middle part of the second connecting block, and the elastic head is connected with a dial indicator through a measuring rod. The gauge for detecting the diameter of the outer circle of the deep and narrow groove has the advantages that the gauge is simple in structure and convenient to operate, the movable gauge pin and the fixed gauge pin are arranged, the gauge can penetrate into the workpiece to be detected, the gauge is applicable to measuring the diameter of the outer circle of a part with a step, the practicability is higher, the gauge is added with the gauge and the cross rod, the pointer of the gauge changes to identify the deviation between the workpiece to be detected and the size of the standard part, the cross rod can align the workpiece, the measurement becomes more accurate, the operation time is shorter, the detection time is greatly shortened, and the detection purpose can be guaranteed while the detection time is shortened.
Description
Technical Field
The utility model relates to the technical field of diameter detection equipment, in particular to a gauge for detecting the diameter of the excircle of a deep narrow groove.
Background
The deep narrow groove cavity structure is a ratio of the groove cavity depth of a part to the minimum edge of the groove cavity, namely, the depth ratio is greater than 5, and is applied to the fields of aerospace and the like, and has great requirements on precision for the aerospace, so that the precision of the parts is ensured by precisely measuring the diameter of the deep narrow groove.
In the prior art, in the detection of the diameter of the outer circle of the deep narrow groove, a three-coordinate mode is generally adopted for detection, but the detection method has long detection time, low efficiency and higher detection cost, and is not suitable for the detection of batch products.
Disclosure of Invention
The utility model aims to provide a gauge for the diameter of the excircle of a deep and narrow groove, which adopts a measuring needle and dial indicator mode, is connected with a cross rod, and recognizes the deviation of the dimension of a workpiece through the pointer change of the dial indicator, thereby achieving the purpose of rapid detection.
In order to achieve the above purpose, the utility model provides a gauge for detecting the diameter of the excircle of a deep narrow groove, which comprises a measuring mechanism, wherein the measuring mechanism comprises a fixed measuring needle and a movable measuring needle, the fixed measuring needle is connected with a first connecting block, the first connecting block is fixed at one end of the fixed groove, the movable measuring needle is connected with a second connecting block, an elastic head penetrates through the middle part of the second connecting block, and the elastic head is connected with a dial indicator through a measuring rod.
Preferably, a cross bar is arranged between the first connecting block and the second connecting block, and the cross bar is fixed in the fixing groove.
Preferably, the measuring rod is fixedly connected with the fixing groove through two bolts, and the elastic head is fixedly connected with the second connecting block through a jackscrew.
Preferably, the first connecting block is in threaded connection with the fixed probe, and the second connecting block is in threaded connection with the movable probe.
Preferably, the first connecting block is fixed in the fixing groove by an upper bolt and two side bolts.
Preferably, an annular groove is arranged in the fixing groove, and the second connecting block is arranged in the annular groove.
Therefore, the gauge for detecting the diameter of the outer circle of the deep narrow groove is simple in structure and convenient to operate, can penetrate into the workpiece to be detected through the arrangement of the movable measuring needle and the fixed measuring needle, is applicable to measuring the diameter of the outer circle of the part with the step, is higher in practicability, can identify the deviation between the workpiece to be detected and the standard part size through the arrangement of the measuring rod, the dial indicator and the cross rod, and can align the workpiece by the aid of the change of the pointer of the dial indicator, so that the measurement becomes more accurate, the operation time is shorter, the detection time is greatly shortened, and the purpose of detection can be guaranteed while the detection time is shortened.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of a gauge for measuring the diameter of an outer circle of a deep narrow groove according to the present utility model;
FIG. 2 is a cross-sectional view of a workpiece to be inspected and a gauge according to an embodiment of the present utility model.
Reference numerals
1. Moving the stylus; 2. fixing the measuring needle; 3. a first connection block; 4. a second connection block; 5. a fixing groove; 6. an elastic head; 7. dial indicator; 8. a measuring rod; 9. a cross bar; 10. and (5) jackscrews.
Detailed Description
The technical scheme of the utility model is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Example 1
As shown in the figure, the utility model provides a gauge for measuring the diameter of the outer circle of a deep narrow groove, which comprises a measuring mechanism, wherein the measuring mechanism is used for measuring the diameter of the outer circle of the deep narrow groove. The measuring mechanism comprises a fixed measuring needle 2 and a movable measuring needle 1, wherein the fixed measuring needle 2 is connected with a first connecting block 3 through threads, and the fixed measuring needle 2 is a fixed end and can play a role of serving as a reference. The first connecting block 3 is fixed at one end of the fixing groove 5, and the first connecting block 3 is fixed in the fixing groove 5 by an upper bolt and two side bolts. The movable probe 1 is in threaded connection with the second connecting block 4, the movable probe 1 is a movable end, and the measurement of a workpiece to be measured is realized through the movement of the movable probe. The fixed measuring needle 2 is fixed at one end of the deep narrow groove, and the movable measuring needle 1 moves under the action of a workpiece to be measured, so that the diameter of the outer circle of the deep narrow groove is measured.
The elastic head 6 penetrates through the middle of the second connecting block 4, the elastic head 6 is connected with the dial indicator 7 through the measuring rod 8, and the dial indicator 7 is used for displaying the moving distance of the movable measuring needle 1. The elastic head 6 is fixedly connected with the second connecting block 4 through a jackscrew 10, and the movable measuring needle 1 moves to the other end of the outer circle of the deep narrow groove under the action of the elastic head 6. The measuring rod 8 is fixedly connected with the fixed slot 5 through two bolts, the cross rod 9 is arranged between the first connecting block 3 and the second connecting block 4, the cross rod 9 is fixed in the fixed slot 5, the cross rod 9 is used for being in contact with a workpiece to be measured, the parallelism and the perpendicularity are guaranteed not to have deviation, and the function of supporting is achieved.
Working principle: before measuring the outer circle diameter of the deep narrow groove, the standard component is used for carrying out the dial gauge on the dial gauge, so that the distance between the movable measuring pin 1 and the fixed measuring pin 2 is smaller than the outer circle diameter of the standard component, and the dial gauge can be moved for a small distance to measure the outer circle diameter of the workpiece to be measured. After the meter is completed, the bolts above the measuring rod 8 are screwed, and the measuring rod 8 is fixed. Then, the movable measuring needle 1 and the fixed measuring needle 2 are clamped into the excircle of the workpiece to be measured, the movable measuring needle 1 can move according to the excircle, the moving distance of the movable measuring needle 1 can be displayed on the dial indicator 7, and the excircle diameter of the standard component is the excircle diameter of the workpiece to be measured.
Therefore, the gauge for detecting the diameter of the outer circle of the deep narrow groove is simple in structure and convenient to operate, can penetrate into the workpiece to be detected through the arrangement of the movable measuring needle and the fixed measuring needle, is applicable to measuring the diameter of the outer circle of the part with the step, is higher in practicability, can identify the deviation between the workpiece to be detected and the standard part size through the arrangement of the measuring rod, the dial indicator and the cross rod, and can align the workpiece by the aid of the change of the pointer of the dial indicator, so that the measurement becomes more accurate, the operation time is shorter, the detection time is greatly shortened, and the purpose of detection can be guaranteed while the detection time is shortened.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (6)
1. The utility model provides a utensil is examined to dark narrow groove excircle diameter which characterized in that: including measuring mechanism, measuring mechanism is including fixed measuring needle and removal measuring needle, fixed measuring needle is connected with first connecting block, the one end at the fixed slot is fixed to first connecting block, it is connected with the second connecting block to remove the measuring needle, the elastic head has been run through at the second connecting block middle part, the elastic head passes through the measuring stick and is connected with the dial indicator.
2. The gauge for measuring the diameter of the outer circle of the deep narrow groove according to claim 1, wherein: and a cross rod is arranged between the first connecting block and the second connecting block, and is fixed in the fixing groove.
3. The gauge for measuring the diameter of the outer circle of the deep narrow groove according to claim 1, wherein: the measuring rod is fixedly connected with the fixed groove through two bolts, and the elastic head is fixedly connected with the second connecting block through a jackscrew.
4. The gauge for measuring the diameter of the outer circle of the deep narrow groove according to claim 1, wherein: the first connecting block is in threaded connection with the fixed measuring needle, and the second connecting block is in threaded connection with the movable measuring needle.
5. The gauge for measuring the diameter of the outer circle of the deep narrow groove according to claim 1, wherein: the first connecting block is fixed in the fixing groove through an upper bolt and two side bolts.
6. The gauge for measuring the diameter of the outer circle of the deep narrow groove according to claim 1, wherein: an annular groove is formed in the fixing groove, and the second connecting block is arranged in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321928753.XU CN220322256U (en) | 2023-07-21 | 2023-07-21 | Gauge for diameter of excircle of deep narrow groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321928753.XU CN220322256U (en) | 2023-07-21 | 2023-07-21 | Gauge for diameter of excircle of deep narrow groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220322256U true CN220322256U (en) | 2024-01-09 |
Family
ID=89424985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321928753.XU Active CN220322256U (en) | 2023-07-21 | 2023-07-21 | Gauge for diameter of excircle of deep narrow groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220322256U (en) |
-
2023
- 2023-07-21 CN CN202321928753.XU patent/CN220322256U/en active Active
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