CN210802305U - Checking fixture for measuring inner and outer diameters of product - Google Patents
Checking fixture for measuring inner and outer diameters of product Download PDFInfo
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- CN210802305U CN210802305U CN201921720982.6U CN201921720982U CN210802305U CN 210802305 U CN210802305 U CN 210802305U CN 201921720982 U CN201921720982 U CN 201921720982U CN 210802305 U CN210802305 U CN 210802305U
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Abstract
The utility model relates to a checking fixture for measuring the inner and outer diameters of products, which comprises a checking fixture body and a check block; examine a body and include the locating plate, the locating plate intermediate position runs through and has observed the groove, locating plate bottom left end is equipped with first fixed block and the right-hand member is equipped with the second fixed block, install the detection round pin in the first fixed block, the detection head that detects the round pin is worn out outside the left side wall of first fixed block, it has the mounting hole to run through between second fixed block left side wall and the right side wall, be equipped with the copper sheathing in the mounting hole, the locating plate bottom is equipped with the amesdial, the observation end of amesdial is located the observation groove below, the measuring stick of amesdial passes the copper sheathing and stretches out outside the second fixed block right side wall, both ends are screwed through threaded connection and have the. The utility model has simple structure, easy implementation and low manufacturing cost; can detect internal diameter, external diameter, can reduce the measuring error that detection error and misoperation caused.
Description
Technical Field
The utility model relates to a measure the technical field who examines the utensil, especially relate to an examine utensil for measuring inside and outside diameter of product.
Background
In general, the inner diameter and the outer diameter of the spare and accessory parts are detected by calipers or micrometers.
But the calipers and the micrometers are limited in range, the machining tolerance requirements of precision industry and automobile parts are strict, and the inner diameter and the outer diameter of more than 200mm are detected by the calipers, so that the measurement accuracy is influenced.
The micrometer is accurate in detecting the inner diameter and the outer diameter, but is limited to detecting the outer diameter of a small-diameter inner hole and a shaft, if the diameter of a product is large and the diameter depth is shallow, a special micrometer is required to be used for detecting, the purchase transaction period is long, and the price is high. In the use process of the large-stroke inner and outer diameter micrometer, misoperation detection errors of operators also exist, data reading errors cause data distortion of the inner diameter and the outer diameter of parts, and the quality risk of batch bad quality exists.
Disclosure of Invention
The utility model discloses aim at solving prior art not enough, and provide an examine utensil for measuring inside and outside diameter of product.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a checking fixture for measuring the inner and outer diameters of a product comprises a checking fixture body and a checking block;
the checking fixture body comprises a positioning plate, an observation groove penetrates through the middle position of the positioning plate, a first fixing block is arranged at the left end of the bottom of the positioning plate, a second fixing block is arranged at the right end of the bottom of the positioning plate, two threaded holes are respectively formed in the left end of the positioning plate corresponding to the first fixing block and the right end of the positioning plate corresponding to the second fixing block, countersunk bolt holes corresponding to the threaded holes are respectively formed in the first fixing block and the second fixing block, the first fixing block and the second fixing block are fixed on the positioning plate by screwing countersunk bolts in the countersunk bolt holes in the threaded holes, a detection pin is arranged in the first fixing block, a detection head of the detection pin penetrates out of the left side wall of the first fixing block, an installation hole penetrates through the left side wall and the right side wall of the second fixing block, a copper sleeve is arranged in the installation hole, a dial indicator is arranged at the bottom of the positioning plate, a measuring rod of the dial indicator penetrates through the copper sleeve and extends out of the right side wall of the second fixing block, and the left end and the right end of the top of the positioning plate are connected and screwed with handles through threads;
the check block is of a U-shaped block structure, and the inner walls of the two sides of the check block respectively abut against the detection pin and the measuring rod of the dial indicator.
The bottom of the copper sleeve is provided with a groove, the bottom of the second fixing block is provided with a jackscrew hole, a jackscrew is arranged in the jackscrew hole, and the jackscrew penetrates through the groove in the bottom of the copper sleeve and is tightly propped against a measuring rod of the dial indicator.
The contact end of the detection pin and the check block is a round head.
The utility model has the advantages that: the utility model has simple structure, easy implementation and low manufacturing cost; can detect internal diameter, external diameter, can reduce the measuring error that detection error and misoperation caused.
Drawings
Fig. 1 is a schematic structural view in one direction of the present invention;
fig. 2 is a schematic structural view in another direction of the present invention;
FIG. 3 is a structural schematic view of the gauge body in one direction;
FIG. 4 is a schematic structural view of the gauge body in another direction;
FIG. 5 is a schematic view of a fixture body for detecting the inner diameter of a workpiece;
in the figure: 1-a gauge body; 2-checking the block; 3, positioning a plate; 4-observation tank; 5-a first fixed block; 6-a second fixed block; 7-a threaded hole; 8-countersunk bolt holes; 9-a detection pin; 10-copper sheathing; 11-dial gauge; 12-a handle; 13-a jackscrew hole; 14-a workpiece;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1 to 4, a gauge for measuring the inner and outer diameters of a product comprises a gauge body 1 and a check block 2;
the checking fixture body 1 comprises a positioning plate 3, an observation groove 4 penetrates through the middle position of the positioning plate 3, a first fixing block 5 is arranged at the left end of the bottom of the positioning plate 3, a second fixing block 6 is arranged at the right end of the bottom of the positioning plate 3, two threaded holes 7 are respectively arranged at the left end of the positioning plate 3 corresponding to the first fixing block 5 and the right end of the positioning plate corresponding to the second fixing block 6, countersunk bolt holes 8 corresponding to the threaded holes 7 are respectively penetrated through the first fixing block 5 and the second fixing block 6, the first fixing block 5 and the second fixing block 6 are screwed in the threaded holes 7 through countersunk bolts in the countersunk bolt holes 8 so as to be fixed on the positioning plate 3, a detection pin 9 is installed in the first fixing block 5, a detection head of the detection pin 9 penetrates out of the left side wall of the first fixing block 5, a mounting hole penetrates through between the left side wall and the right side wall of the second fixing, a dial indicator 11 is arranged at the bottom of the positioning plate 3, the observation end of the dial indicator 11 is positioned below the observation groove 4, a measuring rod of the dial indicator 11 penetrates through the copper sleeve 10 and extends out of the right side wall of the second fixing block 6, and the left end and the right end of the top of the positioning plate 3 are screwed with a handle 12 through threaded connection;
the checking block 2 is of a U-shaped block structure, and the inner walls of the two sides of the checking block 2 respectively abut against the detection pin 9 and the measuring rod of the dial indicator 11.
The bottom of the copper sleeve 10 is provided with a groove, the bottom of the second fixing block 6 is provided with a jackscrew hole 13, a jackscrew is arranged in the jackscrew hole 13, and the jackscrew penetrates through the groove in the bottom of the copper sleeve 10 and is tightly propped against a measuring rod of the dial indicator 11.
The contact end of the detection pin 9 and the verification block 2 is a round head.
The utility model discloses the during operation, operating personnel takes through handle 12 and examines utensil body 1 and carry out the school zero to amesdial 11 on check block 2 earlier, and the size of check block 2 is actual measurement size value. After zero calibration is completed, the checking fixture body 1 is placed in the area of a workpiece 14 to be checked, the positioning plate 3 is used for tightly adhering to the upper end face of the diameter to be checked, as shown in fig. 5, the dial indicator 11 on the positioning plate 3 is observed to be vertical, if the detected diameter is qualified within the tolerance requirement range, and if the detected diameter exceeds the tolerance requirement range, the diameter is unqualified.
When the outer diameter needs to be detected, the first fixing block 5 and the second fixing block 6 only need to be installed on the positioning plate 3 in a rotating mode for 180 degrees, and the detection can be conducted again.
The utility model has simple structure, easy implementation and low manufacturing cost; can detect internal diameter, external diameter, can reduce the measuring error that detection error and misoperation caused.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (3)
1. A detection tool for measuring the inner diameter and the outer diameter of a product is characterized by comprising a detection tool body (1) and a check block (2);
the checking fixture body (1) comprises a positioning plate (3), an observation groove (4) penetrates through the middle position of the positioning plate (3), a first fixing block (5) is arranged at the left end of the bottom of the positioning plate (3), a second fixing block (6) is arranged at the right end of the bottom of the positioning plate (3), two threaded holes (7) are respectively formed in the left end of the positioning plate (3) corresponding to the first fixing block (5) and the right end of the positioning plate corresponding to the second fixing block (6), countersunk bolt holes (8) corresponding to the threaded holes (7) penetrate through the first fixing block (5) and the second fixing block (6), the first fixing block (5) and the second fixing block (6) are fixed on the positioning plate (3) through the countersunk bolts in the countersunk bolt holes (8) and are screwed in the threaded holes (7), a detection pin (9) is installed in the first fixing block (5), and a detection head of the detection pin (9) penetrates out of the left side wall of, a mounting hole penetrates through the left side wall and the right side wall of the second fixing block (6), a copper sleeve (10) is arranged in the mounting hole, a dial indicator (11) is arranged at the bottom of the positioning plate (3), the observation end of the dial indicator (11) is positioned below the observation groove (4), a measuring rod of the dial indicator (11) penetrates through the copper sleeve (10) and extends out of the right side wall of the second fixing block (6), and handles (12) are screwed at the left end and the right end of the top of the positioning plate (3) through threaded connection;
the checking block (2) is of a U-shaped block structure, and the inner walls of the two sides of the checking block (2) respectively abut against the measuring rods of the detection pin (9) and the dial indicator (11).
2. The checking fixture for measuring the inner and outer diameters of a product according to claim 1, wherein a groove is formed in the bottom of the copper sleeve (10), a jackscrew hole (13) is formed in the bottom of the second fixing block (6), a jackscrew is arranged in the jackscrew hole (13), and the jackscrew penetrates through the groove in the bottom of the copper sleeve (10) and abuts against a measuring rod of the dial indicator (11).
3. The checking fixture for measuring the inner and outer diameters of a product according to claim 2, characterized in that the contact end of the detection pin (9) and the checking block (2) is a round head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720982.6U CN210802305U (en) | 2019-10-15 | 2019-10-15 | Checking fixture for measuring inner and outer diameters of product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720982.6U CN210802305U (en) | 2019-10-15 | 2019-10-15 | Checking fixture for measuring inner and outer diameters of product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210802305U true CN210802305U (en) | 2020-06-19 |
Family
ID=71227931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921720982.6U Active CN210802305U (en) | 2019-10-15 | 2019-10-15 | Checking fixture for measuring inner and outer diameters of product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210802305U (en) |
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2019
- 2019-10-15 CN CN201921720982.6U patent/CN210802305U/en active Active
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