CN221350058U - Measuring device and measuring system - Google Patents
Measuring device and measuring system Download PDFInfo
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- CN221350058U CN221350058U CN202323295802.3U CN202323295802U CN221350058U CN 221350058 U CN221350058 U CN 221350058U CN 202323295802 U CN202323295802 U CN 202323295802U CN 221350058 U CN221350058 U CN 221350058U
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- 230000006835 compression Effects 0.000 claims abstract description 25
- 238000007906 compression Methods 0.000 claims abstract description 25
- 230000001939 inductive effect Effects 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims description 60
- 230000006698 induction Effects 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 5
- 238000005056 compaction Methods 0.000 description 3
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a measuring device and a measuring system, wherein the measuring device comprises a connecting component, a rotary compression cylinder and a measuring component, the connecting component comprises a first mounting platform, and a first sleeving hole is formed on the first mounting platform; the cylinder body of the rotary compression cylinder is arranged on the first mounting platform; the measuring assembly comprises a sensor and a sensing head, and the sensor is sleeved in the first sleeved hole and extends out of the first sleeved hole; the inductive head is connected with the bottom of the sensor, and one end of the inductive head, which is far away from the sensor, is used for being abutted with a workpiece to be measured. Firstly, placing a workpiece to be measured on a measuring platform, forming a through hole on the measuring platform, enabling an extension shaft of a rotary compression cylinder to extend out of the through hole in a rotary mode and clamp with the bottom surface of the measuring platform, enabling a sensing head to be abutted with the workpiece to be measured on the measuring platform, enabling the sensing head and a sensor to generate displacement, and transmitting the displacement generated by the sensing head to the sensor; the automatic reading data and recording can be realized, and the measuring accuracy and measuring efficiency are greatly improved.
Description
Technical Field
The utility model relates to the technical field of measuring devices, in particular to a measuring device and a measuring system.
Background
At present, automobile safety is an important tool of automobile safety, an airbag is an important tool of automobile safety, and at present, the airbags are various, various types of airbags can exist on an automobile, the airbags are updated and updated frequently every year, and the updated size and thickness of the airbags are different from those of the previous size and thickness, so that the airbag thickness needs to be monitored.
In the prior art, the safety airbag adopts a manual measurement mode, so that the measurement efficiency is low, and the accuracy is low.
Therefore, it is necessary to provide a measuring device and a measuring system to solve the above-mentioned problems.
Disclosure of utility model
The utility model mainly aims to provide a measuring device and a measuring system, and aims to solve the technical problems of lower manual measuring efficiency and lower accuracy in the prior art.
According to an aspect of the present utility model, there is provided a measuring apparatus comprising:
The connecting assembly comprises a first mounting platform, and a first sleeving hole is formed in the first mounting platform;
The cylinder body of the rotary compression cylinder is arranged on the first mounting platform;
The measuring assembly comprises a sensor and an induction head, and the sensor is sleeved in the first sleeved hole in a telescopic manner and extends out of the first sleeved hole; the inductive head is connected with the bottom of the sensor, and one end of the inductive head, which is far away from the sensor, is used for being abutted with a workpiece to be measured.
In an embodiment, the measuring assembly further comprises a connecting rod, a first connecting block, a second connecting block and a first elastic piece, one end, far away from the sensor, of the sensing head is sleeved on the second connecting block, the first elastic piece is sleeved on the sensing head, and two ends of the first elastic piece are respectively abutted with the first mounting platform and the second connecting block; one end of the sensor, which is far away from the induction head, extends out of the first sleeved hole and is connected with the first connecting block; the first mounting platform is provided with a second sleeving hole, the connecting rod is sleeved in the second sleeving hole, one end of the connecting rod is connected with the first connecting block, and the other end of the connecting rod is sleeved in the second connecting block in a telescopic manner.
In an embodiment, the measuring assembly further comprises a second elastic piece, the second elastic piece is sleeved on the connecting rod, and two ends of the second elastic piece are respectively abutted to the first mounting platform and the second connecting block.
In an embodiment, the number of the second elastic pieces is multiple, the number of the connecting rods is multiple, the connecting rods are uniformly distributed on two sides of the induction head, the connecting rods are all sleeved on the second connecting blocks in a telescopic manner, the number of the second elastic pieces is equal to the number of the connecting rods, and the second elastic pieces are in one-to-one correspondence with the connecting rods.
In an embodiment, the connecting assembly further comprises a second mounting platform and a fixing rod, the measuring device further comprises a pressing block, the extending shaft of the rotary pressing cylinder penetrates through the second mounting platform, the pressing block is connected with the extending shaft of the rotary pressing cylinder, and two ends of the fixing rod are respectively connected with the first mounting platform and the second mounting platform.
In one embodiment, the measuring device further comprises a fastener, the first mounting platform is formed with an elongated hole, and the fastener is mounted to the fixing rod through the elongated hole.
In an embodiment, the second mounting platform is further formed with an avoidance hole, and the avoidance hole is opposite to the induction head.
According to another aspect of the present utility model, there is provided a measuring system, including a carrier plate, a measuring platform and the measuring device described above, where the measuring platform is formed with a limiting hole, and the projecting shaft of the rotary pressing cylinder drives the pressing block to extend into the limiting hole, so that the pressing block can abut against a side of the measuring platform, which is away from the measuring device, and the carrier plate is formed with a placement position, where the placement position is used for placing a workpiece to be measured.
In an embodiment, the measuring system further comprises a calibration assembly, wherein the calibration assembly comprises a groove and a standard lug, and the protruding shaft of the rotary compression cylinder can protrude to be fit with the groove; the sensing head is used for being abutted with the standard lug so that the sensor can perform data calibration and return to zero.
In one embodiment, the measuring system further comprises a control switch in signal connection with the rotary compaction cylinder.
In the scheme, the measuring device comprises a connecting assembly, a rotary compression cylinder and a measuring assembly, wherein the connecting assembly comprises a first mounting platform, and a first sleeve hole is formed in the first mounting platform; the cylinder body of the rotary compression cylinder is arranged on the first mounting platform; the measuring assembly comprises a sensor and an inductive head, and the sensor is sleeved in the first sleeved hole in a telescopic manner and extends out of the first sleeved hole; the inductive head is connected with the bottom of the sensor, and one end of the inductive head, which is far away from the sensor, is used for being abutted with a workpiece to be measured. Specifically, when the measurement is required, an operator firstly places a workpiece to be measured on a measurement platform, then a through hole is formed on the measurement platform, the operator starts a rotary compression cylinder to enable an extension shaft of the rotary compression cylinder to extend out to pass through the through hole to be clamped with the bottom surface of the measurement platform, at the moment, a sensing head is abutted to the workpiece to be measured on the measurement platform, the sensing head is compressed to generate displacement, the displacement generated by the sensing head is transmitted to a sensor, and the sensor processes data to obtain a moving distance, so that the measurement is completed; according to the scheme, automatic reading and recording can be realized, and compared with a mode of manually reading data, the accuracy of measurement is greatly improved; and compared with manual measurement, the automatic measurement can be realized by adopting the linkage of the rotary compression cylinder, the induction head and the sensor, and the measurement efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a measuring device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of a measuring assembly according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of the overall structure of a measurement system according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of the overall structure of a measurement platform according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of the overall structure of a calibration assembly according to an embodiment of the present utility model.
Reference numerals illustrate:
the achievement of the object, functional features and advantages of the present utility model will be further described with reference to the drawings in connection with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
According to an aspect of the present utility model, referring to fig. 1 and 2, the present utility model provides a measuring apparatus 100 including:
the connecting assembly 1, the connecting assembly 1 comprises a first mounting platform 11, and a first sleeve hole is formed in the first mounting platform 11;
The cylinder body of the rotary compression cylinder 2 is arranged on the first mounting platform 11;
The measuring assembly 3 comprises a sensor 31 and an induction head 32, and the sensor 31 is telescopically sleeved in the first sleeved hole and extends out of the first sleeved hole; the inductive head 32 is connected with the bottom of the sensor 31, and one end of the inductive head 32 away from the sensor 31 is used for abutting with a workpiece to be measured. Specifically, when measurement is required, an operator firstly places a workpiece to be measured on the measurement platform 101, then a through hole is formed on the measurement platform 101, the operator starts the rotary compression cylinder 2, the extension shaft of the rotary compression cylinder 2 extends out to pass through the through hole to be clamped with the bottom surface of the measurement platform 101, at the moment, the induction head 32 is abutted with the workpiece to be measured on the measurement platform 101, the induction head 32 and the sensor 31 generate displacement, the displacement generated by the induction head 32 is transmitted to the sensor 31, and the sensor 31 performs data processing to obtain a moving distance, so that measurement is completed; according to the scheme, automatic reading and recording can be realized, and compared with a mode of manually reading data, the accuracy of measurement is greatly improved; and compared with manual measurement, the automatic measurement can be realized by adopting the linkage of the rotary compression cylinder 2, the induction head 32 and the sensor 31, and the measurement efficiency is greatly improved.
Referring to fig. 1 and 2, in an embodiment, the measuring assembly 3 further includes a connecting rod 33, a first connecting block 34, a second connecting block 35, and a first elastic member 36, where one end of the sensing head 32 away from the sensor 31 is sleeved on the second connecting block 35, the first elastic member 36 is sleeved on the sensing head 32, and two ends of the first elastic member 36 are respectively connected with the first mounting platform 11 and the second connecting block 35; one end of the sensor 31, which is far away from the induction head 32, extends out of the first set of holes to be connected with the first connecting block 34; the first mounting platform 11 is formed with a second sleeve hole, the connecting rod 33 is sleeved in the second sleeve hole, one end of the connecting rod 33 is connected with the first connecting block 34, and the other end of the connecting rod 33 is sleeved in the second connecting block 35 in a telescopic manner. Specifically, during measurement, the sensing head 32 is abutted against a workpiece to be measured on the measurement platform 101, the sensing head 32 generates displacement, the second connecting block 35 also generates displacement, and meanwhile, the elastic piece is compressed, and at the moment, the connecting rod 33 extends out of the second connecting block 35 due to upward movement of the second connecting block 35; when the measurement is completed, the sensing head 32 is not abutted against the workpiece to be measured, and at the moment, the first elastic piece 36 is deformed again, and the second connecting block 35 and the sensing head 32 are pushed to be restored to the original positions; by the arrangement, the automatic return function can be realized; when the connecting rod 33 is arranged to prevent the induction head 32 from being abutted against the workpiece to be measured, the induction head 32 is inclined and compressed due to the inclination of the stress direction, so that errors of measured data can be caused, and the accuracy of the measured data of the measuring device 100 can be improved by arranging the connecting rod 33.
Referring to fig. 1 and 2, in an embodiment, the measuring assembly 3 further includes a second elastic member 37, where the second elastic member 37 is sleeved on the connecting rod 33, and two ends of the second elastic member 37 are connected to the first mounting platform 11 and the second connecting block 35 respectively. When the measurement is performed, the sensing head 32 generates displacement and simultaneously pushes the second connecting block 35 to generate displacement, and at the moment, the first elastic piece 36 and the second elastic piece 37 are compressed and deformed; when the measurement is completed, the sensing head 32 is not abutted with the workpiece to be measured, and at the moment, the first elastic piece 36 and the second elastic piece 37 are deformed in a recovery mode, the second connecting block 35 and the sensing head 32 are pushed to be recovered to the original positions, the second connecting block 35 and the sensing head 32 can be enabled to return to the original positions more quickly through the arrangement, the next measurement is carried out, and therefore the measurement efficiency can be improved.
Referring to fig. 1 and 2, in an embodiment, the number of the second elastic members 37 is multiple, the number of the connecting rods 33 is multiple, the plurality of connecting rods 33 are uniformly distributed on two sides of the induction head 32, the plurality of connecting rods 33 are all sleeved on the second connecting block 35 in a telescopic manner, the number of the second elastic members 37 is equal to the number of the connecting rods 33, and the plurality of second elastic members 37 are arranged in one-to-one correspondence with the plurality of connecting rods 33. The ability to guide can be improved by providing a plurality of connecting rods 33, thereby further improving the accuracy of measurement.
Referring to fig. 1 and 2, in an embodiment, the connection assembly 1 further includes a second mounting platform 12 and a fixing rod 13, the measuring device 100 further includes a pressing block 40, the protruding shaft of the rotary pressing cylinder 2 passes through the second mounting platform 12, the pressing block 40 is connected with the protruding shaft of the rotary pressing cylinder 2, and both ends of the fixing rod 13 are connected with the first mounting platform 11 and the second mounting platform 12, respectively. Specifically, when measurement is required, an operator firstly places a workpiece to be measured on the measurement platform 101, then a through hole is formed on the measurement platform 101, the operator starts the rotary compression cylinder 2, the extension shaft of the rotary compression cylinder 2 rotates and extends out of the through hole, the pressing block 40 is abutted against the bottom surface of the measurement platform 101, the second mounting platform 12 is abutted against the top surface of the measurement platform 101, the rotary compression cylinder 2 is locked on the measurement platform 101, the induction head 32 can be abutted against the workpiece to be measured on the measurement platform 101, displacement is generated between the induction head 32 and the sensor 31, the displacement generated by the induction head 32 is transmitted to the sensor 31, and the sensor 31 performs data processing to obtain the moving distance, so that measurement is completed; through the structure, the rotary compression cylinder 2 can be fixed, and the rotary compression cylinder 2 is prevented from moving during measurement.
Further, an adjusting hole 401 is formed on the pressing block 40, the measuring device 100 further comprises a bolt 41, the bolt 41 comprises a threaded section 411 and a boss 412, the threaded section 411 is mounted on the adjusting hole 401, and the boss 412 is used for being abutted to the bottom surface of the measuring platform 101; the position of the bolt 41 can be adjusted so that the projection can abut against the bottom surface of the measuring platform 101 with different thickness.
Referring to fig. 1 and 2, in one embodiment, the measuring device 100 further includes a fastener, and the first mounting platform 11 is formed with an elongated hole 111, and the fastener is mounted to the fixing rod 13 through the elongated hole 111. Specifically, according to the sizes of the cylinders of the rotary compression cylinders 2, the fixing rod 13 is moved along the length direction of the elongated hole 111, and after the fixing rod is moved to a proper position, the fixing member is installed on the fixing rod 13 through the elongated hole 111, so that the operation of the rotary compression cylinders 2 is not disturbed, the position of the fixing rod 13 can be adjusted by arranging the elongated hole 111, and the whole structure is more compact.
Referring to fig. 1 and 2, in an embodiment, the second mounting platform 12 is further formed with a relief hole 121, where the relief hole 121 is disposed opposite to the induction head 31; by providing the avoiding hole 121, the sensor head 32 can be prevented from colliding with the second mounting platform 12, and measurement inaccuracy caused by collision can be prevented.
Referring to fig. 1 and 2, in one embodiment, the measuring device 100 further includes a handle 43, where the handle 43 is mounted on a side of the first mounting platform 11 facing away from the sensor head 32. Specifically, the operator can hold the handle 43 to move the measuring device 100 to the target position during measurement, and the handle 43 is arranged to facilitate the operation of the operator and reduce the operation complexity of the operator.
Further, the measuring device 100 further includes a mechanical arm, which is connected to the handle 43, and through which the measuring position can be automatically adjusted.
According to another aspect of the present utility model, referring to fig. 2 and 3, the present utility model provides a measuring system, including a carrier plate, a measuring platform 101 and the measuring device 100, where the measuring platform 101 is formed with a limiting hole 101a, and the extending shaft of the rotary pressing cylinder 2 drives the pressing block 40 to extend into the limiting hole 101a, so that the pressing block 40 can abut against a side of the measuring platform back 101 away from the measuring device 100, and the carrier plate is formed with a placement position for placing a workpiece to be measured. Specifically, when measurement is required, an operator firstly places a workpiece to be measured on the measurement platform 101, then a through hole is formed on the measurement platform 101, the operator starts the rotary pressing cylinder 2, the pressing block 40 on the extending shaft of the rotary pressing cylinder 2 extends out to pass through the limiting hole 101a in a rotary mode, at the moment, the pressing block 40 is abutted to the bottom surface of the measurement platform 101, the second mounting platform 12 is abutted to the top surface of the measurement platform 101, the rotary pressing cylinder 2 is locked on the measurement platform 101, at the moment, the sensing head 32 is abutted to the workpiece to be measured on the carrier plate, displacement is generated between the sensing head 32 and the sensor 31, the displacement generated by the sensing head 32 is transmitted to the sensor 31, and the sensor 31 performs data processing to obtain the moving distance, so that measurement is completed. Since the measuring system includes all embodiments of the measuring apparatus 100, at least all the advantages of all the embodiments are not described herein.
Further, the number of the limiting holes 101a is plural, and the measuring device 100 can measure the heights of different positions of the workpiece to be detected in different limiting holes 101a, so that the flatness of the workpiece to be detected can be measured.
Referring to fig. 5, in one embodiment, the measurement system further comprises a calibration assembly 102, the calibration assembly 102 comprising a recess 102a and a standard bump 102b, the extension shaft of the rotary compaction cylinder 2 being capable of extending into engagement with the recess 102 a; the sensor head 32 is used for abutting against the standard bump 102b so as to enable the sensor 31 to perform data calibration and return to zero. Specifically, when calibration is required, the rotary compression cylinder 2 is started, the extension shaft of the rotary compression cylinder 2 extends out into the groove 102a, and the sensor head 32 is abutted against the standard bump 102b at the moment, so that the sensor 31 receives data of the sensor head 32 and records the data as an origin; by arranging the calibration component 102, calibration can be performed after each measurement, and the accuracy of the measurement is ensured.
Referring to fig. 2 and 3, in an embodiment, the measuring system further comprises a control switch 103, the control switch 103 being in signal connection with the rotary compaction cylinder 2. The operator can control the rotary compression cylinder 2 to start only by pressing the control switch 103, so that automatic operation can be realized, and the labor intensity of the operator is reduced.
The foregoing is only an optional embodiment of the present utility model, and is not intended to limit the scope of the present utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A measurement device, comprising:
The connecting assembly comprises a first mounting platform, and a first sleeving hole is formed in the first mounting platform;
The cylinder body of the rotary compression cylinder is arranged on the first mounting platform;
The measuring assembly comprises a sensor and an induction head, and the sensor is sleeved in the first sleeved hole in a telescopic manner and extends out of the first sleeved hole; the inductive head is connected with the bottom of the sensor, and one end of the inductive head, which is far away from the sensor, is used for being abutted with a workpiece to be measured.
2. The measuring device of claim 1, wherein the measuring assembly further comprises a connecting rod, a first connecting block, a second connecting block and a first elastic piece, wherein one end of the sensing head, which is far away from the sensor, is sleeved on the second connecting block, the first elastic piece is sleeved on the sensing head, and two ends of the first elastic piece are respectively abutted with the first mounting platform and the second connecting block; one end of the sensor, which is far away from the induction head, extends out of the first sleeved hole and is connected with the first connecting block; the first mounting platform is provided with a second sleeving hole, the connecting rod is sleeved in the second sleeving hole, one end of the connecting rod is connected with the first connecting block, and the other end of the connecting rod is sleeved in the second connecting block in a telescopic manner.
3. The measuring device of claim 2, wherein the measuring assembly further comprises a second elastic member, the second elastic member is sleeved on the connecting rod, and two ends of the second elastic member are respectively abutted with the first mounting platform and the second connecting block.
4. The measuring device of claim 3, wherein the number of the second elastic pieces is multiple, the number of the connecting rods is multiple, the connecting rods are uniformly distributed on two sides of the induction head, the connecting rods are all sleeved on the second connecting blocks in a telescopic manner, the number of the second elastic pieces is equal to the number of the connecting rods, and the second elastic pieces are in one-to-one correspondence with the connecting rods.
5. The measurement device of any one of claims 1 to 4, wherein the connection assembly further comprises a second mounting platform and a fixing rod, the measurement device further comprises a pressing block, the protruding shaft of the rotary pressing cylinder penetrates through the second mounting platform, the pressing block is connected with the protruding shaft of the rotary pressing cylinder, and two ends of the fixing rod are connected with the first mounting platform and the second mounting platform respectively.
6. The measurement device of claim 5, wherein the second mounting platform is further formed with a relief hole disposed opposite the sense head.
7. The measurement device of claim 1, further comprising a handle mounted to a side of the first mounting platform facing away from the sense head.
8. A measuring system comprising a carrier plate, a measuring platform and a measuring device according to any one of claims 1 to 7, wherein the measuring platform is provided with a limiting hole, and the projecting shaft of the rotary compacting cylinder drives a pressing block to extend into the limiting hole, so that the pressing block can be abutted to one side, away from the measuring device, of the measuring platform, and the carrier plate is provided with a placing position for placing a workpiece to be measured.
9. The measurement system of claim 8, further comprising a calibration assembly comprising a recess and a standard bump, the extension shaft of the rotary hold down cylinder being extendable to fit the recess; the sensing head is used for being abutted with the standard lug so that the sensor can perform data calibration and return to zero.
10. The measurement system of any one of claims 8 to 9, further comprising a control switch in signal communication with the rotary hold down cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323295802.3U CN221350058U (en) | 2023-12-01 | 2023-12-01 | Measuring device and measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323295802.3U CN221350058U (en) | 2023-12-01 | 2023-12-01 | Measuring device and measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221350058U true CN221350058U (en) | 2024-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323295802.3U Active CN221350058U (en) | 2023-12-01 | 2023-12-01 | Measuring device and measuring system |
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| CN (1) | CN221350058U (en) |
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2023
- 2023-12-01 CN CN202323295802.3U patent/CN221350058U/en active Active
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