CN219810439U - Large-visual angle bar code ruler for precise level - Google Patents
Large-visual angle bar code ruler for precise level Download PDFInfo
- Publication number
- CN219810439U CN219810439U CN202320361126.6U CN202320361126U CN219810439U CN 219810439 U CN219810439 U CN 219810439U CN 202320361126 U CN202320361126 U CN 202320361126U CN 219810439 U CN219810439 U CN 219810439U
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- China
- Prior art keywords
- bar code
- fixing piece
- label
- mounting table
- leveling
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- 238000005259 measurement Methods 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a large-visual angle bar code ruler for a precise level, which comprises a rod body, wherein a label is arranged outside the rod body, bar code scales are arranged on the surface of the label, the bar code scales are perpendicular to the axis space of the rod body, the bar code scales are annularly distributed at the outer wall of the rod body, and a leveling structure for leveling the rod body is arranged at the upper end of the rod body. According to the utility model, the bar body is used as the mounting part for the observation pier, the label is fixed on the columnar bar body through the upper fixing part and the lower fixing part, and the bar code scale in the label is circular, so that the visual angle is increased, the bar body can be conveniently leveled in the mounting process through the leveling structure at the top of the bar body, and the bar body is ensured to be in a vertical state. The utility model provides a large-visual angle bar code ruler for the level, improves the measurement efficiency, shortens the measurement time, and can be widely applied to the level measurement.
Description
Technical Field
The utility model belongs to the technical field of level meter detection equipment, and particularly relates to a large viewing angle bar code ruler for a precise level meter.
Background
The bar code type leveling staff is a working reference instrument for measuring the space elevation of the digital leveling instrument, and the bar code type leveling staff is used for measurement by taking the dividing line width on the staff and the position on the staff as references. The current bar code type leveling staff is matched with a leveling instrument for use, so that leveling measurement is realized in a combined way, and the bar code type leveling staff is a common measuring tool in the detection field.
At present, the levelling rod can be divided into a precise levelling rod and a common levelling rod, and the two levelling rods are different in material of the rod body, but the precise levelling rod or the common levelling rod is in a strip-shaped structure, and one side of the strip-shaped structure needs to be adjusted in the use process so as to face a sensor of the level, so that measurement is performed.
Disclosure of Invention
The utility model provides a large viewing angle bar code ruler for a precise level, which aims to solve the problems existing in the prior art.
The technical scheme of the utility model is as follows: the utility model provides a big visual angle bar code chi for precision level, includes the body of rod, the body of rod outside is provided with the label, the label surface is provided with bar code scale, bar code scale is perpendicular with the axis space of the body of rod, bar code scale is the ring-shaped layout in the outer wall department of the body of rod, body of rod upper end is provided with the leveling structure that carries out leveling to the body of rod.
Furthermore, the outer wall of the label is provided with a fixing piece, and the fixing piece fixes the label at the outer wall of the rod body.
Furthermore, the fixing piece comprises an upper fixing piece and a lower fixing piece, the upper fixing piece and the lower fixing piece are identical in structure, the upper fixing piece and the lower fixing piece are respectively used for fixing the upper part and the lower part of the label, and bar code scales on the outer walls of the upper part and the lower part of the label are guaranteed to be annular.
Furthermore, the widths of the upper fixing piece and the lower fixing piece are not larger than the distance between adjacent bar code scales, so that the interference on the measurement result is avoided.
Furthermore, an upper mounting table and a lower mounting table are formed at the outer wall of the rod body, and the upper mounting table and the lower mounting table are coplanar and parallel to the axis of the rod body.
Further, the upper mounting table and the lower mounting table are positioned between the upper fixing piece and the lower fixing piece.
Still further, the leveling structure includes the base, the base upper end forms liquid and holds the chamber, liquid holds the chamber upper end and is provided with sealed lid.
Still further, the sealed lid includes the steel lid that is located the outer lane, the steel lid is cyclic annular, be provided with the glass lid in the steel lid.
Further, a leveling loop concentric with the glass cover is arranged at the center of the glass cover, leveling bubbles are formed between the liquid in the liquid accommodating cavity and the glass cover, and the leveling bubbles are formed between the liquid in the liquid accommodating cavity and the glass cover
Furthermore, the rod body and the leveling structure are fixed through a threaded structure.
The beneficial effects of the utility model are as follows:
according to the utility model, the bar body is used as the mounting part for the observation pier, the label is fixed on the columnar bar body through the upper fixing part and the lower fixing part, and the bar code scale in the label is circular, so that the visual angle is increased, the bar body can be conveniently leveled in the mounting process through the leveling structure at the top of the bar body, and the bar body is ensured to be in a vertical state.
The utility model provides a large-visual angle bar code ruler for the level, improves the measurement efficiency, shortens the measurement time, and can be widely applied to the level measurement.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a rear view of the present utility model;
FIG. 3 is a further rear view of the present utility model;
FIG. 4 is a top view of a leveling structure of the present utility model;
FIG. 5 is a schematic illustration of an installation of the leveling structure of the present utility model;
FIG. 6 is a schematic view of yet another installation of the leveling structure of the present utility model;
FIG. 7 is a schematic view of yet another installation of the leveling structure of the present utility model;
FIG. 8 is a schematic view of a semi-circular fixture according to the present utility model;
wherein:
1 bar body 2 bar code scale
3 leveling structure 4 upper fixing piece
5 lower fixing piece 6 upper mounting table
7 upper connecting hole 8 lower mounting table
Lower fixing hole of lower connecting hole 10
11 lower connecting bolt 12 threaded hole
13 upper external screw thread 14 lower screw hole
15 lower external screw thread 16 upper screw hole
31 base 32 steel cover
33 glass cover 34 leveling loop
35 leveling bubble
41 semicircle fixing piece 42 semicircle piece
43 cambered surface groove 44 otic placode
45 ear plate holes.
Description of the embodiments
The present utility model will be described in detail below with reference to the drawings and examples:
as shown in fig. 1-8, a large-view angle bar code ruler for a precise level comprises a rod body 1, a label is arranged outside the rod body 1, bar code scales 2 are arranged on the surface of the label, the bar code scales 2 are perpendicular to the axis space of the rod body 1, the bar code scales 2 are annularly distributed at the outer wall of the rod body 1, and a leveling structure 3 for leveling the rod body 1 is arranged at the upper end of the rod body 1.
The outer wall of the label is provided with a fixing piece, and the fixing piece fixes the label at the outer wall of the rod body 1.
The fixing piece comprises an upper fixing piece 4 and a lower fixing piece 5, the upper fixing piece 4 and the lower fixing piece 5 are identical in structure, the upper fixing piece 4 and the lower fixing piece 5 are respectively used for fixing the upper part and the lower part of the label, and bar code scales 2 on the outer walls of the upper part and the lower part of the label are guaranteed to be annular.
The widths of the upper fixing piece 4 and the lower fixing piece 5 are not larger than the distance between the adjacent bar code scales 2, so that the interference on the measurement result is avoided.
An upper mounting table 6 and a lower mounting table 8 are also formed at the outer wall of the rod body 1, and the upper mounting table 6 and the lower mounting table 8 are coplanar and parallel to the axis of the rod body 1.
The upper mounting table 6 and the lower mounting table 8 are positioned between the upper fixing piece 4 and the lower fixing piece 5.
The leveling structure 3 comprises a base 31, a liquid accommodating cavity is formed at the upper end of the base 31, and a sealing cover is arranged at the upper end of the liquid accommodating cavity.
The sealing cover comprises a steel cover 32 positioned on the outer ring, the steel cover 32 is annular, and a glass cover 33 is arranged in the steel cover 32.
A leveling ring line 34 concentric with the glass cover 33 is arranged at the center of the glass cover 33, leveling water bubbles 35 are formed between the liquid in the liquid accommodating cavity and the glass cover 33, and the leveling water bubbles 35
The rod body 1 and the leveling structure 3 are fixed through a threaded structure.
Specifically, the upper mounting table 6 and the lower mounting table 8 are rectangular platforms, the upper mounting table 6 and the lower mounting table 8 are used for fixing the rod body 1, and openings corresponding to the upper mounting table 6 and the lower mounting table 8 are formed in the label.
Specifically, the upper mounting table 6 and the lower mounting table 8 are used in combination to fix the rod body 1, and the fixing modes thereof are two, specifically as follows:
first, as shown in fig. 2, an upper connecting hole 7 is formed in the upper mounting table 6, a lower connecting hole 9 is formed in the lower mounting table 8, and bolts on the observation piers are connected with the upper connecting hole 7 and the lower connecting hole 9 to fix the rod body 1.
Specifically, the upper connecting hole 7 and the lower connecting hole 9 are perpendicularly intersected with the axis of the rod body 1.
Second, as shown in fig. 3, two upper connecting holes 7 are formed in the upper mounting table 6, the two upper connecting holes 7 are bilaterally symmetrical, the bolts on the observation piers are connected with the two upper connecting holes 7, and the two upper connecting holes 7 realize the fixation of the rod body 1.
The lower fixing hole 10 is formed in the lower mounting table 8, a push rod is arranged in the lower fixing hole 10, the other end of the push rod props against the observation pier, and the distance between the lower part of the rod body and the observation pier is adjusted by adjusting the screwing depth of the push rod.
Specifically, the upper fixing member 4 and the lower fixing member 5 have the same structure, and the upper fixing member 4 is described as an example.
As shown in fig. 8, the upper fixing member 4 is composed of two semicircular fixing members 41, the semicircular fixing members 41 include semicircular blocks 42, ear plates 44 are formed on two side walls of the semicircular blocks 42, ear plate holes 45 are formed in the ear plates 44, the ear plate holes 45 of the two semicircular fixing members 41 correspond to each other, and nuts are screwed after bolts pass through the two ear plate holes 45, so that the two semicircular fixing members 41 are fixed.
More specifically, in order to ensure the fixation of the label, the inner wall of the semicircular block 42 is provided with a cambered surface groove 43, and a rubber strip is arranged in the cambered surface groove 43, and the rubber strip extrudes the label at the outer wall of the rod body 1.
Specifically, as shown in fig. 5, a lower connecting bolt 11 is disposed at a lower end of the base 31, a threaded hole 12 is formed at an upper end of the rod body 1, and the lower connecting bolt 11 is screwed into the threaded hole 12, thereby fixing the leveling structure 3 at the upper end of the rod body 1.
Specifically, the lower connecting bolt 11 is coaxial with the base 31, and the threaded hole 12 is coaxial with the rod body 1.
Examples
The utility model provides a big visual angle bar code chi for accurate level, includes body of rod 1, body of rod 1 outside is provided with the label, the label surface is provided with bar code scale 2, bar code scale 2 is perpendicular with the axis space of body of rod 1, bar code scale 2 is the ring-shaped layout in the outer wall department of body of rod 1, body of rod 1 upper end is provided with the leveling structure 3 that carries out the leveling to body of rod 1.
The outer wall of the label is provided with a fixing piece, and the fixing piece fixes the label at the outer wall of the rod body 1.
The fixing piece comprises an upper fixing piece 4 and a lower fixing piece 5, the upper fixing piece 4 and the lower fixing piece 5 are identical in structure, the upper fixing piece 4 and the lower fixing piece 5 are respectively used for fixing the upper part and the lower part of the label, and bar code scales 2 on the outer walls of the upper part and the lower part of the label are guaranteed to be annular.
The widths of the upper fixing piece 4 and the lower fixing piece 5 are not larger than the distance between the adjacent bar code scales 2, so that the interference on the measurement result is avoided.
An upper mounting table 6 and a lower mounting table 8 are also formed at the outer wall of the rod body 1, and the upper mounting table 6 and the lower mounting table 8 are coplanar and parallel to the axis of the rod body 1.
The upper mounting table 6 and the lower mounting table 8 are positioned between the upper fixing piece 4 and the lower fixing piece 5.
The leveling structure 3 comprises a base 31, a liquid accommodating cavity is formed at the upper end of the base 31, and a sealing cover is arranged at the upper end of the liquid accommodating cavity.
The sealing cover comprises a steel cover 32 positioned on the outer ring, the steel cover 32 is annular, and a glass cover 33 is arranged in the steel cover 32.
A leveling ring line 34 concentric with the glass cover 33 is arranged at the center of the glass cover 33, leveling water bubbles 35 are formed between the liquid in the liquid accommodating cavity and the glass cover 33, and the leveling water bubbles 35
The rod body 1 and the leveling structure 3 are fixed through a threaded structure.
Specifically, the upper mounting table 6 and the lower mounting table 8 are rectangular platforms, the upper mounting table 6 and the lower mounting table 8 are used for fixing the rod body 1, and openings corresponding to the upper mounting table 6 and the lower mounting table 8 are formed in the label.
Specifically, the upper mounting table 6 and the lower mounting table 8 are used in combination to fix the rod body 1, and the fixing modes thereof are two, specifically as follows:
first, as shown in fig. 2, an upper connecting hole 7 is formed in the upper mounting table 6, a lower connecting hole 9 is formed in the lower mounting table 8, and bolts on the observation piers are connected with the upper connecting hole 7 and the lower connecting hole 9 to fix the rod body 1.
Specifically, the upper connecting hole 7 and the lower connecting hole 9 are perpendicularly intersected with the axis of the rod body 1.
Second, as shown in fig. 3, two upper connecting holes 7 are formed in the upper mounting table 6, the two upper connecting holes 7 are bilaterally symmetrical, the bolts on the observation piers are connected with the two upper connecting holes 7, and the two upper connecting holes 7 realize the fixation of the rod body 1.
The lower fixing hole 10 is formed in the lower mounting table 8, a push rod is arranged in the lower fixing hole 10, the other end of the push rod props against the observation pier, and the distance between the lower part of the rod body and the observation pier is adjusted by adjusting the screwing depth of the push rod.
Specifically, the upper fixing member 4 and the lower fixing member 5 have the same structure, and the upper fixing member 4 is described as an example.
As shown in fig. 8, the upper fixing member 4 is composed of two semicircular fixing members 41, the semicircular fixing members 41 include semicircular blocks 42, ear plates 44 are formed on two side walls of the semicircular blocks 42, ear plate holes 45 are formed in the ear plates 44, the ear plate holes 45 of the two semicircular fixing members 41 correspond to each other, and nuts are screwed after bolts pass through the two ear plate holes 45, so that the two semicircular fixing members 41 are fixed.
More specifically, in order to ensure the fixation of the label, the inner wall of the semicircular block 42 is provided with a cambered surface groove 43, and a rubber strip is arranged in the cambered surface groove 43, and the rubber strip extrudes the label at the outer wall of the rod body 1.
Specifically, as shown in fig. 6, in this embodiment, the outer ring of the leveling structure 3 is smaller than the outer diameter of the rod body 1.
An upper external thread 13 is formed on the outer wall of the lower part of the base 31 in the leveling structure 3, a round counter bore is formed on the upper end of the rod body 1, the round counter bore is a lower threaded hole 14, and the upper external thread 13 on the outer wall of the base 31 is screwed into the lower threaded hole 14 to realize embedded fixation of the leveling structure 3.
Examples
The utility model provides a big visual angle bar code chi for accurate level, includes body of rod 1, body of rod 1 outside is provided with the label, the label surface is provided with bar code scale 2, bar code scale 2 is perpendicular with the axis space of body of rod 1, bar code scale 2 is the ring-shaped layout in the outer wall department of body of rod 1, body of rod 1 upper end is provided with the leveling structure 3 that carries out the leveling to body of rod 1.
The outer wall of the label is provided with a fixing piece, and the fixing piece fixes the label at the outer wall of the rod body 1.
The fixing piece comprises an upper fixing piece 4 and a lower fixing piece 5, the upper fixing piece 4 and the lower fixing piece 5 are identical in structure, the upper fixing piece 4 and the lower fixing piece 5 are respectively used for fixing the upper part and the lower part of the label, and bar code scales 2 on the outer walls of the upper part and the lower part of the label are guaranteed to be annular.
The widths of the upper fixing piece 4 and the lower fixing piece 5 are not larger than the distance between the adjacent bar code scales 2, so that the interference on the measurement result is avoided.
An upper mounting table 6 and a lower mounting table 8 are also formed at the outer wall of the rod body 1, and the upper mounting table 6 and the lower mounting table 8 are coplanar and parallel to the axis of the rod body 1.
The upper mounting table 6 and the lower mounting table 8 are positioned between the upper fixing piece 4 and the lower fixing piece 5.
The leveling structure 3 comprises a base 31, a liquid accommodating cavity is formed at the upper end of the base 31, and a sealing cover is arranged at the upper end of the liquid accommodating cavity.
The sealing cover comprises a steel cover 32 positioned on the outer ring, the steel cover 32 is annular, and a glass cover 33 is arranged in the steel cover 32.
A leveling ring line 34 concentric with the glass cover 33 is arranged at the center of the glass cover 33, leveling water bubbles 35 are formed between the liquid in the liquid accommodating cavity and the glass cover 33, and the leveling water bubbles 35
The rod body 1 and the leveling structure 3 are fixed through a threaded structure.
Specifically, the upper mounting table 6 and the lower mounting table 8 are rectangular platforms, the upper mounting table 6 and the lower mounting table 8 are used for fixing the rod body 1, and openings corresponding to the upper mounting table 6 and the lower mounting table 8 are formed in the label.
Specifically, the upper mounting table 6 and the lower mounting table 8 are used in combination to fix the rod body 1, and the fixing modes thereof are two, specifically as follows:
first, as shown in fig. 2, an upper connecting hole 7 is formed in the upper mounting table 6, a lower connecting hole 9 is formed in the lower mounting table 8, and bolts on the observation piers are connected with the upper connecting hole 7 and the lower connecting hole 9 to fix the rod body 1.
Specifically, the upper connecting hole 7 and the lower connecting hole 9 are perpendicularly intersected with the axis of the rod body 1.
Second, as shown in fig. 3, two upper connecting holes 7 are formed in the upper mounting table 6, the two upper connecting holes 7 are bilaterally symmetrical, the bolts on the observation piers are connected with the two upper connecting holes 7, and the two upper connecting holes 7 realize the fixation of the rod body 1.
The lower fixing hole 10 is formed in the lower mounting table 8, a push rod is arranged in the lower fixing hole 10, the other end of the push rod props against the observation pier, and the distance between the lower part of the rod body and the observation pier is adjusted by adjusting the screwing depth of the push rod.
Specifically, the upper fixing member 4 and the lower fixing member 5 have the same structure, and the upper fixing member 4 is described as an example.
As shown in fig. 8, the upper fixing member 4 is composed of two semicircular fixing members 41, the semicircular fixing members 41 include semicircular blocks 42, ear plates 44 are formed on two side walls of the semicircular blocks 42, ear plate holes 45 are formed in the ear plates 44, the ear plate holes 45 of the two semicircular fixing members 41 correspond to each other, and nuts are screwed after bolts pass through the two ear plate holes 45, so that the two semicircular fixing members 41 are fixed.
More specifically, in order to ensure the fixation of the label, the inner wall of the semicircular block 42 is provided with a cambered surface groove 43, and a rubber strip is arranged in the cambered surface groove 43, and the rubber strip extrudes the label at the outer wall of the rod body 1.
Specifically, as shown in fig. 7, in this embodiment, a connection mode that the rod body 1 is inserted into the leveling structure 3 is adopted, and the outer diameter of the leveling structure 3 is larger than the outer diameter of the rod body 1.
The lower end of the base 31 is provided with an upper threaded hole 16, the upper threaded hole 16 is a counter bore, the upper part of the rod body 1 is provided with a lower external thread 15, and the lower external thread 15 is screwed into the upper threaded hole 16, so that the rod body 1 and the leveling structure 3 are fixed.
The application process of the utility model is as follows:
first, the label will be fixed at the outer wall of the rod 1 by the upper fixing member 4, the lower fixing member 5.
Then, the rod body 1 is fixed on the observation pier through an upper mounting table 6 and a lower mounting table 8 at the side wall of the rod body 1.
And then, performing installation adjustment to level the leveling bubble 35 in the leveling structure 3.
The bar code scales 2 with different widths on the label are imaged on a CCD sensor on an image plane through a telescope, the CCD sensor converts bar code images with black and white alternately into analog video signals, the analog video signals are digitized, and finally, the digital image processing inside the instrument is carried out, so that the reading of the wires in the telescope on the bar code scale can be obtained.
According to the utility model, the bar body is used as the mounting part for the observation pier, the label is fixed on the columnar bar body through the upper fixing part and the lower fixing part, and the bar code scale in the label is circular, so that the visual angle is increased, the bar body can be conveniently leveled in the mounting process through the leveling structure at the top of the bar body, and the bar body is ensured to be in a vertical state.
The utility model provides a large-visual angle bar code ruler for the level, improves the measurement efficiency, shortens the measurement time, and can be widely applied to the level measurement.
Claims (10)
1. The utility model provides a big angle of looking bar code ruler for accurate level, includes body of rod (1), its characterized in that: the bar body (1) is externally provided with a label, the surface of the label is provided with a bar code scale (2), the bar code scale (2) is vertical to the axis space of the bar body (1), the bar code scale (2) is annularly arranged at the outer wall of the bar body (1), and the upper end of the bar body (1) is provided with a leveling structure (3) for leveling the bar body (1).
2. The large viewing angle bar code ruler for a precise level according to claim 1, wherein: the label is characterized in that a fixing piece is arranged at the outer wall of the label, and the label is fixed at the outer wall of the rod body (1) by the fixing piece.
3. The large viewing angle bar code ruler for the precise level according to claim 2, wherein: the fixing piece comprises an upper fixing piece (4) and a lower fixing piece (5), the upper fixing piece (4) and the lower fixing piece (5) are identical in structure, the upper fixing piece (4) and the lower fixing piece (5) are respectively used for fixing the upper part and the lower part of the label, and bar code scales (2) on the outer walls of the upper part and the lower part of the label are guaranteed to be annular.
4. A large viewing angle bar code scale for a precision level according to claim 3, wherein: the widths of the upper fixing piece (4) and the lower fixing piece (5) are not larger than the distance between adjacent bar code scales (2), so that the interference on the measurement result is avoided.
5. The large viewing angle bar code ruler for a precise level according to claim 1, wherein: the outer wall of the rod body (1) is further provided with an upper mounting table (6) and a lower mounting table (8), and the upper mounting table (6) and the lower mounting table (8) are coplanar and parallel to the axis of the rod body (1).
6. The large viewing angle bar code ruler for the precise level according to claim 5, wherein: the upper mounting table (6) and the lower mounting table (8) are positioned between the upper fixing piece (4) and the lower fixing piece (5).
7. The large viewing angle bar code ruler for a precise level according to claim 1, wherein: the leveling structure (3) comprises a base (31), a liquid containing cavity is formed at the upper end of the base (31), and a sealing cover is arranged at the upper end of the liquid containing cavity.
8. The large viewing angle bar code ruler for a precise level according to claim 7, wherein: the sealing cover comprises a steel cover (32) positioned on the outer ring, the steel cover (32) is annular, and a glass cover (33) is arranged in the steel cover (32).
9. The large viewing angle bar code ruler for the precise level according to claim 8, wherein: the center of the glass cover (33) is provided with a leveling loop line (34) concentric with the glass cover, leveling bubbles (35) are formed between the liquid in the liquid accommodating cavity and the glass cover (33), and the leveling bubbles (35).
10. The large viewing angle bar code ruler for the precise level according to claim 9, wherein: the rod body (1) and the leveling structure (3) are fixed through a threaded structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320361126.6U CN219810439U (en) | 2023-03-02 | 2023-03-02 | Large-visual angle bar code ruler for precise level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320361126.6U CN219810439U (en) | 2023-03-02 | 2023-03-02 | Large-visual angle bar code ruler for precise level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219810439U true CN219810439U (en) | 2023-10-10 |
Family
ID=88216391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320361126.6U Active CN219810439U (en) | 2023-03-02 | 2023-03-02 | Large-visual angle bar code ruler for precise level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219810439U (en) |
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2023
- 2023-03-02 CN CN202320361126.6U patent/CN219810439U/en active Active
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