CN219572919U - Workpiece depth measuring tool - Google Patents
Workpiece depth measuring tool Download PDFInfo
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- CN219572919U CN219572919U CN202320373644.XU CN202320373644U CN219572919U CN 219572919 U CN219572919 U CN 219572919U CN 202320373644 U CN202320373644 U CN 202320373644U CN 219572919 U CN219572919 U CN 219572919U
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Abstract
The utility model relates to the technical field of measuring tools and discloses a workpiece depth measuring tool which comprises a fixed seat, a measuring rod, a measuring column, a measuring seat, a meter and a zeroing seat, wherein the measuring rod is arranged on the fixed seat and can stretch out and draw back relative to the fixed seat, the measuring column is arranged at one end of the measuring rod and is fixedly connected with the measuring rod, the measuring seat is formed with a first cambered surface matched with a workpiece to be measured, the fixed seat is provided with a meter for definitely measuring the stretch out and draw back of the measuring rod, the zeroing seat is formed with a second cambered surface matched with the first cambered surface, a measuring hole is formed at the middle point of the first cambered surface, the measuring column can pass through the measuring hole under the action of the measuring rod and abuts against the zeroing plane of the zeroing seat, and the distance from the middle point of the second cambered surface to the zeroing plane is the same as the radius of the outer circular surface of the workpiece to be measured. Compared with the prior art, the workpiece depth measuring tool can quickly finish depth measurement of the inner section and the outer section of the through hole, and has the advantages of high measuring efficiency, small measuring error, easiness in operation and good use experience of a user.
Description
Technical Field
The utility model relates to the technical field of measuring tools, in particular to a workpiece depth measuring tool.
Background
In the technical field of factory machinery, workpieces often form various special-shaped structures due to design requirements, in order to improve understanding of the workpieces and ensure normal use of the workpieces, workers often need to measure the workpieces so as to determine various parameters of the workpieces, and obviously, part of the workpieces are increased in measurement difficulty due to special-shaped structure design, so that measurement efficiency is low and measurement errors are large.
For the workpiece, the workpiece is arranged in a ring shape, the workpiece body is provided with the stepped through hole which is communicated with the inner circular surface and the outer circular surface of the workpiece, the section of the through hole is circular, and the section diameter of the outer section is larger than that of the inner section, so that an operator cannot easily measure the length of the through hole, particularly the length of the inner section, and the operator needs to firstly measure the diameter of the outer circular surface and the diameter of the inner circular surface of the workpiece by adopting a vernier caliper and calculate the length of the whole through hole according to the diameter of the outer circular surface and the diameter of the inner circular surface of the workpiece; the length of the outer section is measured by using other tools, the length of the inner section is obtained through calculation, the whole operation process is complex and complicated, the measurement time is long, and errors are easily generated because the vernier caliper cannot accurately measure the length of the outer section.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide a workpiece depth measuring tool, which completes the measurement of the depth of a workpiece by arranging a zeroing seat to be matched with a measuring rod and a measuring column, simplifies the measuring process, improves the measuring efficiency and greatly reduces the measuring error.
Based on this, the present utility model provides a workpiece depth measurement tool comprising:
a fixing seat;
the measuring rod is arranged on the fixed seat and can stretch relative to the fixed seat to approach or depart from the workpiece to be measured;
the measuring column is arranged at one end of the measuring rod, which is far away from the fixed seat, and is fixedly connected with the measuring rod, the section of the measuring column is the same as the section of the outer section of the through hole of the workpiece to be measured, and the measuring column can be close to the workpiece to be measured under the action of the measuring rod and inserted into the through hole of the workpiece to be measured so as to be abutted against the inner section of the through hole of the workpiece to be measured;
the measuring seat is arranged on the measuring rod and can slide along the measuring rod to approach or depart from the workpiece to be measured, a first cambered surface is formed on the measuring seat, and the first cambered surface is attached to the outer circular surface of the workpiece to be measured when the measuring seat abuts against the workpiece to be measured;
the gauge is arranged on the fixed seat and connected with the measuring rod, and is used for measuring the expansion and contraction amount of the measuring rod;
the zero setting seat is arranged at the side of the fixed seat, the zero setting seat is provided with a second cambered surface and a zero setting plane, the radius of the second cambered surface is identical to that of the first cambered surface, the second cambered surface is attached to the first cambered surface when the zero setting seat is propped against the zero setting seat, the zero setting seat is provided with a measuring hole at the midpoint of the first cambered surface, the section of the measuring hole is identical to the section of the outer section of the through hole of the workpiece to be measured, the measuring column can pass through the measuring hole under the action of the measuring rod and prop against the zero setting plane, and the distance from the midpoint of the second cambered surface to the zero setting plane is identical to the radius of the outer circular surface of the workpiece to be measured.
In some embodiments of the present utility model, the sliding distance of the measuring rod is limited by the limiting post, and the limiting post is arranged on the measuring rod and is fixedly connected with the measuring rod.
In some embodiments of the present utility model, an operating portion for an operator to hold is formed at an end of the fixing base away from the workpiece to be measured or the zeroing base.
In some embodiments of the present utility model, the meter is a dial indicator, and a numerical display window is provided on the meter.
In some embodiments of the utility model, the measuring column is detachably connected to the measuring rod.
In some embodiments of the utility model, the measuring seat is detachably connected with the measuring rod.
In some embodiments of the utility model, the diameter of the measuring column is not smaller than the diameter of the sliding hole of the measuring seat.
In some embodiments of the utility model, the measuring rod is telescopic in length of 0-12mm.
Compared with the prior art, the embodiment of the utility model provides a workpiece depth measuring tool, which has the beneficial effects that:
the embodiment of the utility model provides a workpiece depth measuring tool, which comprises a fixed seat, a measuring rod, a measuring column, a measuring seat, a meter, a zeroing seat and other structures, and particularly, the measuring rod is arranged on the fixed seat and can stretch and retract relative to the fixed seat to be close to or far away from a workpiece to be measured; the measuring column is arranged at one end of the measuring rod far away from the fixed seat and is fixedly connected with the measuring rod, the section of the measuring column is the same as the section of the outer section of the through hole of the workpiece to be measured, and the measuring column can be close to the workpiece to be measured under the action of the measuring rod and inserted into the through hole of the workpiece to be measured so as to be abutted against the inner section of the through hole of the workpiece to be measured; the measuring seat is arranged on the measuring rod and can slide along the measuring rod to approach or depart from the workpiece to be measured, and further, the measuring seat is formed with a first cambered surface, and the first cambered surface is attached to the outer circular surface of the workpiece to be measured when the measuring seat abuts against the workpiece to be measured; in order to clearly measure the specific expansion and contraction amount of the rod, a meter is further arranged on the fixed seat and connected with the measuring rod for measuring the expansion and contraction amount of the measuring rod in the whole measuring process; in addition, the workpiece depth measuring tool is further provided with a zeroing seat which is used as an independent component and arranged at the side of the fixed seat and is not connected with the fixed seat, the zeroing seat is formed with a second cambered surface and a zeroing plane, the radius of the second cambered surface is identical to that of the first cambered surface, the second cambered surface is attached to the first cambered surface when the measuring seat is abutted to the zeroing seat, the zeroing seat is provided with a measuring hole at the midpoint of the first cambered surface, the section of the measuring hole is identical to the section of the outer section of the through hole of the workpiece to be measured, a measuring column can pass through the measuring hole under the action of a measuring rod and is abutted to the zeroing plane, and the distance from the midpoint of the second cambered surface to the zeroing plane is identical to the radius of the outer circular surface of the workpiece to be measured.
Based on the structure, before use, the displacement of the measuring rod needs to be zeroed, specifically, firstly, the zeroing seat is fixed on the workbench, then the measuring seat is erected on the zeroing seat, at the moment, the first cambered surface is attached to the second cambered surface, the fixed seat falls on the measuring seat and abuts against the measuring seat, the measuring rod is controlled to move towards the zeroing seat, the measuring column on the measuring rod passes through the measuring hole and approaches towards the zeroing plane, the measuring rod is continuously operated until the measuring column abuts against the zeroing plane, the measuring rod is fixed, the value of the meter at the moment is zeroed, namely, at the moment, the reading of the meter is 0, the measuring seat is taken down from the zeroing seat, the measuring rod is loosened to return to the initial position under the action of no external force, then the measuring seat is erected on a workpiece to be measured again, at the moment, the first cambered surface of the measuring seat is attached to the outer circular surface of the workpiece to be measured, the fixed seat is arranged on the measuring seat and abuts against the measuring seat, the measuring rod is continuously operated to be close to the workpiece to be measured, the section of the measuring column is identical to the section of the outer section of the through hole of the workpiece, the measuring column can be inserted into the through hole under the action of the measuring rod and finally abuts against the inner section of the through hole, the measuring rod is fixed, the numerical value X of the gauge is recorded at the moment, the absolute value of the reading X at the moment is the sum of the radius of the inner circle surface and the length of the inner section of the workpiece to be measured because the distance from the midpoint of the second cambered surface to the return-to-zero plane is identical to the radius of the outer circle surface of the workpiece to be measured, the external section length and the internal section length of the through hole can be rapidly calculated only by combining the numerical value X obtained by the measurement at the moment with the radius of the inner circle surface and the radius of the outer circle under the condition that the radius of the inner circle of the workpiece to be measured is known, and the difference value of the X and the outer circle radius is the outer section length of the through hole. Therefore, the utility model can accurately obtain the measured key parameters only by measuring the displacement quantity at the two ends of the rod, and rapidly acquire the inner section length and the outer section length of the through hole by virtue of the parameters, and a measuring ruler is not required to be arranged in the hole to measure the lengths of all sections of the through hole, so that the measuring method is simplified, the whole measuring time is reduced from 90 s/time to 20 s/time, the measuring efficiency is obviously improved, all parts are mutually attached or abutted, the measuring error can be reduced compared with the direct use of the measuring ruler, and the structural design of the workpiece depth measuring tool is ingenious and the use experience of a user is good.
Drawings
FIG. 1 is a schematic view of a workpiece depth measurement tool according to some embodiments of the utility model;
FIG. 2 is an exploded view of the structure of a workpiece depth measurement tool according to some embodiments of the utility model;
FIG. 3 is a schematic illustration of the use of a workpiece depth measurement tool according to some embodiments of the utility model;
FIG. 4 is a schematic diagram of the zeroing seat of a workpiece depth measurement tool according to some embodiments of the utility model;
FIG. 5 is a schematic diagram of a workpiece to be measured according to some embodiments of the utility model;
FIG. 6 is a schematic illustration of a zeroing demonstration of a workpiece depth measurement tool according to some embodiments of the utility model;
FIG. 7 is a schematic illustration of a measurement demonstration of a workpiece depth measurement tool according to some embodiments of the utility model.
In the figure, 1, a fixing seat; 11. an operation unit; 2. a measuring rod; 21. a limit column; 3. a measuring column; 4. a measuring seat; 41. a first cambered surface; 5. a meter; 6. a zeroing seat; 61. a second cambered surface; 62. a return-to-zero plane; 63. measuring holes; 7. a workpiece to be measured; 71. an outer circumferential surface; 72. an inner circular surface; 73. and a through hole.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
It should be understood that the terms "front", "rear", etc. are used in the present utility model to describe various information, but the information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, "front" information may also be referred to as "rear" information, and "rear" information may also be referred to as "front" information, without departing from the scope of the utility model.
As shown in fig. 1 to 7, the embodiment of the utility model provides a workpiece depth measuring tool, which comprises a fixing seat 1, a measuring rod 2, a measuring column 3, a measuring seat 4, a meter 5, a zeroing seat 6 and other structures, specifically, the measuring rod 2 is arranged on the fixing seat 1 and can stretch and retract relative to the fixing seat 1 to be close to or far away from a workpiece 7 to be measured; the measuring column 3 is arranged at one end of the measuring rod 2 far away from the fixed seat 1 and is fixedly connected with the measuring rod 2, the section of the measuring column 3 is the same as the section of the outer section of the through hole 73 of the workpiece 7 to be measured, and the measuring column 3 can be close to the workpiece 7 to be measured under the action of the measuring rod 2 and inserted into the through hole 73 of the workpiece 7 to be measured so as to be abutted against the inner section of the through hole 73 of the workpiece 7 to be measured; the measuring seat 4 is arranged on the measuring rod 2 and can slide along the measuring rod 2 to approach or separate from the workpiece 7 to be measured, further, the measuring seat 4 is formed with a first cambered surface 41, and the first cambered surface 41 is attached to the outer circular surface 71 of the workpiece 7 to be measured when the measuring seat 4 abuts against the workpiece 7 to be measured; in order to clearly measure the specific expansion and contraction amount of the rod 2, the fixed seat 1 is also provided with a meter 5 which is connected with the rod 2 and used for measuring the expansion and contraction amount of the rod 2 in the whole measuring process; in addition, the workpiece depth measuring tool is further provided with a zeroing seat 6 which is arranged at the side of the fixed seat 1 as an independent component and is not connected with the fixed seat 1, the zeroing seat 6 is formed with a second cambered surface 61 and a zeroing plane 62, the radius of the second cambered surface 61 is the same as that of the first cambered surface 41, when the measuring seat 4 abuts against the zeroing seat 6, the second cambered surface 61 is attached to the first cambered surface 41, the zeroing seat 6 is provided with a measuring hole 63 at the midpoint of the first cambered surface 41, the section of the measuring hole 63 is the same as the section of the outer section of the through hole 73 of the workpiece 7 to be measured, the measuring column 3 can pass through the measuring hole 63 under the action of the measuring rod 2 and abut against the zeroing plane 62, and the distance from the midpoint of the second cambered surface 61 to the zeroing plane 62 is the same as the radius of the outer circular surface 71 of the workpiece 7 to be measured.
Based on the above structure, before use, the displacement of the measuring rod 2 needs to be zeroed, specifically, the zeroing seat 6 is firstly fixed on the workbench, then the measuring seat 4 is erected on the zeroing seat 6, at the moment, the first cambered surface 41 is attached to the second cambered surface 61, the fixing seat 1 falls on the measuring seat 4 and abuts against the measuring seat 4, the measuring rod 2 is controlled to move towards the zeroing seat 6, the measuring column 3 on the measuring rod 2 passes through the measuring hole 63 and approaches towards the zeroing plane 62, the measuring rod 2 is continuously operated until the measuring column 3 abuts against the zeroing plane 62, the measuring rod 2 is fixed and the value of the meter 5 at the moment is zeroed, namely, the reading of the meter 5 at the moment is 0, the measuring seat 4 is removed from the zeroing seat 6, the measuring rod 2 is relaxed to return to the initial position under the action of no external force, then the measuring seat 4 is placed again to be erected on the workpiece 7 to be measured, at this time, the first cambered surface 41 of the measuring seat 4 is attached to the outer circular surface 71 of the workpiece 7 to be measured, the fixed seat 1 is dropped on the measuring seat 4 and abuts against the measuring seat 4, the measuring rod 2 is continuously operated to be close to the workpiece 7 to be measured, the measuring rod 3 can be inserted into the through hole 73 and finally abut against the inner section of the through hole 73 under the action of the measuring rod 2 because the section of the measuring rod 3 is identical with the section of the outer section of the through hole 73 of the workpiece, the measuring rod 2 is fixed and the numerical value X of the meter 5 is recorded at the same time, it is found that the absolute value of the reading X at this time is the sum of the radius of the inner circular surface 72 and the length of the inner section of the workpiece 7 to be measured because the distance from the midpoint of the second cambered surface 61 to the zero-returning plane 62 is identical with the radius of the outer circular surface 71 of the workpiece 7 to be measured, under the condition that the radius of the inner circle and the radius of the outer circle of the workpiece 7 to be measured are known, the length of the outer section and the length of the inner section of the through hole 73 can be rapidly calculated by only combining the numerical value X obtained by the measurement with the radius of the inner circle and the radius of the outer circle, specifically, the difference value of the radius of the X and the radius of the inner circle is the length of the inner section of the through hole 73, and the difference value of the radius of the X and the radius of the outer circle is the length of the outer section of the through hole 73. Therefore, the utility model can accurately obtain the measured key parameters only by measuring the displacement quantity of the two ends of the rod 2, and rapidly acquire the inner section length and the outer section length of the through hole 73 by means of the parameters, and the measuring rule is not required to be arranged in the hole to measure the lengths of the sections of the through hole 73, so that the measuring method is simplified, the whole measuring time is reduced from 90 s/time to 20 s/time, the measuring efficiency is obviously improved, all parts are mutually attached or abutted during the measurement, the measuring error can be reduced compared with the direct use of the measuring rule, and the structural design of the workpiece depth measuring tool is ingenious and the use experience of a user is good.
In order to further understand the measurement principle of the present utility model, please refer to fig. 6 and 7, after zeroing, the distance between the bottom end of the fixing base 1 and the bottom surface of the measuring column 3 is denoted as a, and since the distance C from the zeroing plane 62 to the midpoint of the first cambered surface 41 is equal to the radius D of the outer circular surface 71 of the workpiece 7 to be measured, the size of a is the distance from the center of the outer circular surface 71 of the workpiece 7 to be measured to the bottom end of the fixing base 1, then the measuring column 3 is inserted into the through hole 73 and abuts against the inner section of the through hole 73, the distance between the bottom end of the fixing base 1 and the bottom surface of the measuring column 3 is denoted as B, and at this time, the size of B is the distance from the edge of the inner section to the bottom end of the fixing base 1, then the difference between a and B is denoted as X, i.e. the sum of the length of the inner section and the radius of the inner circular surface 72.
Further, in some embodiments of the present utility model, the workpiece depth measuring tool further includes a limiting post 21, specifically, the limiting post 21 is disposed on the measuring rod 2 and is fixedly connected with the measuring rod 2, and the limiting post 21 is located above the measuring seat 4 and can abut against the measuring seat 4 when the measuring seat 4 slides to control the actual displacement distance of the measuring rod 2, so as to avoid that the measuring rod 2 impacts the fixing seat 1 due to excessive sliding to affect the normal use of the whole workpiece depth measuring tool. Of course, if only a certain type of workpiece is repeatedly measured, the operator can also select to fixedly connect the measuring seat 4 with the fixing seat 1, at this time, the measuring seat 4 and the fixing seat 1 do not slide relatively any more, and only the displacement distance of the measuring rod 2 is required to be paid attention to during use, so that the measuring error can be further reduced.
Furthermore, in some embodiments of the present utility model, an operating portion 11 for an operator to hold is formed at one end of the fixing base 1 far away from the workpiece 7 to be measured or the zeroing base 6, and in actual use, the operator can quickly set the structures of the fixing base 1, the measuring base 4, etc. on the zeroing base 6 or the workpiece 7 to be measured by holding the operating portion 11, or can take down the same by using the operating portion 11, and the setting of the operating portion 11 can further improve the use experience of the user.
Optionally, in some embodiments of the present utility model, the gauge 5 is a dial indicator, which can significantly improve measurement accuracy and reduce measurement error, further, a numerical display window is provided on the gauge 5, and an operator can know the expansion and contraction amount of the measuring rod 2 at any time in the measurement process to confirm whether the use of the measuring rod 2 has a problem, so as to eliminate misoperation in measurement as soon as possible, and improve measurement effect.
In addition, in the actual production process, the types of the workpieces are various, the ring-shaped workpieces with the same shape also have different diameters, and at this time, corresponding measuring seats 4 and measuring columns 3 need to be selected for different workpieces 7 to be measured, so in some embodiments of the utility model, the measuring columns 3 and the measuring seats 4 are detachably connected with the measuring rod 2. More specifically, in other embodiments of the present utility model, the diameter of the measuring column 3 is not smaller than the diameter of the sliding hole on the measuring seat 4, and meanwhile, the measuring column 3 is in threaded connection with the measuring rod 2, at this time, the measuring column 3 is located below the measuring seat 4, so that the measuring seat 4 can be prevented from sliding off the measuring rod 2, and meanwhile, the threaded connection measuring column 3 is easy to replace, and the measuring seat 4 can be removed for replacement after the measuring column 3 is detached.
Of course, for the measuring rod 2 of the present utility model, the telescopic length of the measuring rod 2 can also be manually adjusted, and in the embodiment of the present utility model, the outer diameter (diameter) of the workpiece 7 to be measured is 53mm, and since the measurement depth obtained in the conventional measurement is mostly 7-9mm, the telescopic length of the measuring rod 2 is controlled to be 0-12mm.
In summary, the utility model provides a workpiece depth measuring tool, which comprises a fixed seat, a measuring rod, a measuring column, a measuring seat, a meter and a zeroing seat, wherein the measuring rod is arranged on the fixed seat and can stretch out and draw back relative to the fixed seat, the measuring column is arranged at one end of the measuring rod and is fixedly connected with the measuring rod, the measuring seat is formed with a first cambered surface matched with a workpiece to be measured, the fixed seat is provided with a meter for determining the stretch out and draw back of the measuring rod, the zeroing seat is formed with a second cambered surface matched with the first cambered surface, a measuring hole is formed at the middle point of the first cambered surface, the measuring column can pass through the measuring hole under the action of the measuring rod and is abutted against the zeroing plane of the zeroing seat, and the distance from the middle point of the second cambered surface to the zeroing plane is the same as the radius of the outer circular surface of the workpiece to be measured. Compared with the prior art, the workpiece depth measuring tool can quickly finish depth measurement of the inner section and the outer section of the through hole, and has the advantages of high measuring efficiency, small measuring error, easiness in operation and good use experience of a user.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (8)
1. A workpiece depth measurement tool, comprising:
a fixing seat;
the measuring rod is arranged on the fixed seat and can stretch relative to the fixed seat to approach or depart from the workpiece to be measured;
the measuring column is arranged at one end of the measuring rod, which is far away from the fixed seat, and is fixedly connected with the measuring rod, the section of the measuring column is the same as the section of the outer section of the through hole of the workpiece to be measured, and the measuring column can be close to the workpiece to be measured under the action of the measuring rod and inserted into the through hole of the workpiece to be measured so as to be abutted against the inner section of the through hole of the workpiece to be measured;
the measuring seat is arranged on the measuring rod and can slide along the measuring rod to approach or depart from the workpiece to be measured, a first cambered surface is formed on the measuring seat, and the first cambered surface is attached to the outer circular surface of the workpiece to be measured when the measuring seat abuts against the workpiece to be measured;
the gauge is arranged on the fixed seat and connected with the measuring rod, and is used for measuring the expansion and contraction amount of the measuring rod;
the zero setting seat is arranged at the side of the fixed seat, the zero setting seat is provided with a second cambered surface and a zero setting plane, the radius of the second cambered surface is identical to that of the first cambered surface, the second cambered surface is attached to the first cambered surface when the zero setting seat is propped against the zero setting seat, the zero setting seat is provided with a measuring hole at the midpoint of the first cambered surface, the section of the measuring hole is identical to the section of the outer section of the through hole of the workpiece to be measured, the measuring column can pass through the measuring hole and prop against the zero setting plane under the action of the measuring rod, and the distance from the midpoint of the second cambered surface to the zero setting plane is identical to the radius of the outer circular surface of the workpiece to be measured.
2. The workpiece depth measurement tool of claim 1, further comprising a limit post disposed on and fixedly connected to the measurement rod, the limit post being adapted to abut the measurement seat when the measurement rod slides to limit a sliding distance of the measurement rod.
3. The tool according to claim 1, wherein an operation portion for an operator to hold is formed at an end of the fixing base away from the workpiece to be measured or the zeroing base.
4. The workpiece depth measurement tool of claim 1, wherein the gauge is a dial gauge, and the gauge is provided with a numerical display window.
5. The workpiece depth measurement tool of claim 1 wherein the measurement post is removably connected to the measurement rod.
6. The workpiece depth measurement tool of claim 5 wherein the measurement mount is removably connected to the measurement rod.
7. The workpiece depth measuring tool of claim 6, wherein the diameter of the measuring post is not smaller than the diameter of the sliding hole of the measuring seat.
8. The workpiece depth measurement tool of claim 1 wherein the measuring rod is telescopic in length from 0 to 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373644.XU CN219572919U (en) | 2023-03-01 | 2023-03-01 | Workpiece depth measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373644.XU CN219572919U (en) | 2023-03-01 | 2023-03-01 | Workpiece depth measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219572919U true CN219572919U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320373644.XU Active CN219572919U (en) | 2023-03-01 | 2023-03-01 | Workpiece depth measuring tool |
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| Country | Link |
|---|---|
| CN (1) | CN219572919U (en) |
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2023
- 2023-03-01 CN CN202320373644.XU patent/CN219572919U/en active Active
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