CN218270494U - Pre-construction quick high-precision digital display reinforcing steel bar protective layer measuring instrument - Google Patents
Pre-construction quick high-precision digital display reinforcing steel bar protective layer measuring instrument Download PDFInfo
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- CN218270494U CN218270494U CN202221861262.3U CN202221861262U CN218270494U CN 218270494 U CN218270494 U CN 218270494U CN 202221861262 U CN202221861262 U CN 202221861262U CN 218270494 U CN218270494 U CN 218270494U
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- digital display
- display device
- measuring
- protective layer
- measuring instrument
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- 239000011241 protective layer Substances 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title claims description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims description 9
- 238000005259 measurement Methods 0.000 claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 239000010410 layer Substances 0.000 claims description 15
- 238000010030 laminating Methods 0.000 abstract description 5
- 125000006850 spacer group Chemical group 0.000 description 10
- 239000004567 concrete Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model discloses a quick high accuracy digital display reinforcing bar protective layer measuring instrument before worker, including the chi body and slide the digital display device who sets up on the chi body, the tip side of the chi body forms originated measurement reference surface, and the fixed measurement board that is provided with on the digital display device, the side of measuring the board forms the terminal point and measures the face, and the terminal point is measured the face and is paralleled with originated measurement reference surface, and digital display device slides along the chi body and can carry out automatic measurement and show to the terminal point and measure the measuring interval between face and the originated measurement reference surface. The utility model provides a quick high accuracy digital display reinforcing bar protective layer measuring instrument, can be convenient insert the chi body to the reinforcing bar interval in and make originated measurement reference face laminating on the template inner face, slip digital display device and make the terminal point of measuring the board measure the face laminating on the reinforcing bar, can get the thickness of steel bar protective layer through reading the figure on the digital display device, easy operation can once only reach the measuring result, need not the secondary and calculate.
Description
Technical Field
The utility model relates to a construction measurement technical field especially relates to a quick high accuracy number shows protective layer of steel reinforcement measuring instrument before worker.
Background
As is known, the reinforced concrete members are not separated from modern buildings, and the common reinforced concrete structure and the prestressed reinforced concrete structure are applied to the engineering, so that the revolution of turning over the sky and covering the ground, a skyscraper and a bridge structure with hundred-meter-level span are generated in the field of buildings, and the phenomenon is realized by the combination of the steel bars and the concrete. The size of the steel bar protection layer directly influences the durability of the concrete member and influences the service life and safety of the concrete structure.
In engineering practice, the quality problem caused by the fact that the thickness of the steel bar protection layer is not required according to the specification is not exhaustive. The outstanding problem is mainly for the structure crack that produces, and the outer concrete of reinforcing bar loses the guard action to lead to the reinforcing bar corrosion, the section reduces, and intensity reduces, loses the adhesion stress between reinforcing bar and the concrete, and the component wholeness receives destruction, influences the structure safety in utilization, consequently in the site operation in-process, needs to measure the thickness of reinforcing bar protective layer.
The instrument that current steel bar protection layer was measured is mainly 5m steel tape, the use accuracy is not high, artifical reading error is great, can not satisfy the construction requirement that becomes more meticulous, also adopt slide caliper to measure, slide caliper includes artifical reading formula slide caliper and digital display slide caliper commonly used, be CN213599960U if the bulletin number, the name is the utility model patent application of a multi-functional electronic digital display slide caliper, though slide caliper precision is high, but conventional slide caliper can not direct measurement steel bar protection layer, need the manual work to carry out the secondary calculation, so brought inconvenience for survey crew, can not satisfy on-the-spot quick measuring requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a quick high accuracy number shows protective layer of steel bar measuring instrument before worker to solve the above-mentioned weak point among the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a quick high accuracy number shows reinforcing bar protective layer measuring instrument before worker, includes the chi body and slides and set up digital display device on the chi body, the tip side of the chi body forms the initial reference surface of measuring, the last fixed measurement board that is provided with of digital display device, the side of measuring the board forms the terminal point and measures the face, the terminal point measure the face with the initial reference surface of measuring parallels, digital display device follows the chi body slides can be right terminal point measure the face with the measurement interval between the initial reference surface of measuring carries out automatic measurement and shows.
According to the instrument for quickly measuring the high-precision digital display steel bar protection layer before work, the end point measuring surface is the side surface of the measuring plate close to one side of the initial measuring reference surface.
The gauge body comprises a gauge face and gauge frames arranged on two opposite sides of the length direction of the gauge face.
The gauge body comprises a scale mark section and a handheld section which are connected, and the scale mark section is provided with mark scales.
The instrument for quickly and accurately measuring the digital display reinforcing steel bar protective layer before work further comprises a positioning assembly, wherein the positioning assembly is arranged between the ruler body and the digital display device and used for fixing the digital display device at any position in the length direction of the ruler body.
According to the instrument for quickly measuring the high-precision digital display steel bar protective layer before construction, the positioning assembly comprises the fastening bolt, the digital display device is provided with the rotating screw hole for the fastening bolt to rotate, and the fastening bolt can rotate along the rotating screw hole to position the digital display device.
Foretell quick high accuracy digital display steel bar protection layer measuring instrument before worker, locating component still includes the spacer, digital display device's inside be provided with the open cavity that the length side of chi body paralleled, the open cavity with it is linked together to rotate the screw, the spacer is fixed to be set up in the open cavity, fastening bolt follows it rotates to rotate the screw and can drive the spacer with the side looks butt of chi body.
According to the measuring instrument for the steel bar protection layer with the function of rapid high-precision digital display before construction, the positioning piece comprises a sliding limiting part and a positioning part which are arranged along the length direction of the positioning piece, and the sliding limiting part and the positioning part can receive the driving of the fastening bolt and are abutted against the side edge of the ruler body in sequence.
In the technical scheme, the utility model provides a quick high accuracy number shows reinforcing bar protective layer measuring instrument before worker, including the chi body and slide the digital display device who sets up on the chi body, the end flank shape of the chi body becomes originated measurement reference surface, the fixed board that measures that sets up on the digital display device, the side of measuring the board forms the terminal point and measures the face, digital display device can measure the measuring interval automatic measure and show between face and the originated measurement reference surface along with the chi body slides, when using, can be convenient insert the chi body to the reinforcing bar interval in and make originated measurement reference surface laminating on the template inner face, slip digital display device makes the terminal point of measuring the board measure the face laminating on the reinforcing bar, can obtain the thickness of steel bar protective layer through reading the digit on the digital display device, and easy operation, can once only reach the measuring result, need not the secondary and calculate.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of a pre-construction rapid high-precision digital display reinforcing bar protection layer measuring instrument provided by the embodiment of the utility model;
FIG. 2 is a schematic structural view of a ruler body according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a positioning assembly according to an embodiment of the present invention;
fig. 4 is a second schematic structural diagram of a positioning assembly according to an embodiment of the present invention.
Description of reference numerals:
1. a ruler body; 1.1, ruler surface; 1.2, a ruler frame; 1.3, marking scales; 1.4, starting to measure a datum plane; 1.5, a scale mark section; 1.6, a handheld section; 2. a digital display device; 2.1, measuring a plate; 2.2, measuring an end point; 3. a positioning assembly; 3.1, fastening a bolt; 3.2, rotating the screw hole; 4. positioning a sheet; 4.1, opening the cavity; 4.2, a sliding limiting part; 4.3, a positioning part; 4.4, a restriction tablet; 4.5, opening grooves; 4.6, spring element; 4.7, an elastic piece.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, the embodiment of the utility model provides a quick high accuracy number shows reinforcing bar protective layer measuring instrument before worker, including chi body 1 and the digital display device 2 of slip setting on chi body 1, the tip flank shape of chi body 1 becomes originated measurement reference face 1.4, fixed measuring plate 2.1 that sets up on the digital display device 2, measuring plate 2.1's side forms terminal point measuring face 2.2, terminal point measuring face 2.2 parallels with originated measurement reference face 1.4, digital display device 2 can be followed chi body 1 and slided measuring interval automatic measure and show between terminal point measuring face 2.2 and the originated measurement reference face 1.4.
Specifically, the ruler body 1 is a long strip-shaped structure, the ruler body 1 can be made of plastic, iron and other materials, the digital display device 2 is slidably connected to the ruler body 1, when the digital display device 2 slides along the ruler body 1, the display screen on the digital display device 2 can display the displacement length (measurement length), the digital display device 2 is a structure commonly used by an existing digital caliper and an electronic ruler, and the digital display device 2 on the existing digital caliper or the electronic ruler can be applied to the measurement instrument in the embodiment, so the structure and principle of the digital display device 2 are not repeated, the length of the ruler body 1 is set according to the thickness of a steel bar protection layer, namely, the length of the ruler body 1 is greater than the maximum thickness of the steel bar protection layer, so that the measurement of the thickness of the steel bar protection layer under different construction scenes can be achieved, but the length of the ruler body 1 is not suitable for the measurement of the manual operator, optionally, the thickness of the steel bar protection layer is H, the length of the ruler body 1 is between 1.2H and 1.5H, the ruler body 1.5 comprises a scale mark section 1.5 and a scale mark section which is connected with the manual operator, and the maximum scale mark section for holding the manual measurement of the manual operator, thereby the manual steel bar measurement range of the manual operator is convenient for holding the manual measurement of the manual bar.
In this embodiment, the side of the end of the ruler body 1 far from the handheld section 1.6 is an initial measurement reference surface 1.4, a measurement plate 2.1 is fixedly arranged on the digital display device 2, the measurement plate 2.1 is arranged perpendicular to the ruler body 1, that is, the measurement plate 2.1 is parallel to the initial measurement reference surface 1.4, the measurement plate 2.1 comprises a first side close to the initial measurement reference surface 1.4 and a second side opposite to the first side, either the first side or the second side can be an end point measurement surface 2.2, preferably, for convenience of measurement, the first side is the end point measurement surface 2.2, two measurement surfaces of a steel bar protection layer are formed, one surface is a steel bar and the other surface is a template inner surface, when measuring the thickness of the steel bar protection layer, that is, the distance between the template inner surface and the steel bar is measured, the initial measurement reference surface 1.4 is attached to the measurement template inner surface, the end point measurement surface 2.2 is attached to the steel bar, so the distance between the initial measuring reference surface 1.4 and the end point measuring surface 2.2 is the thickness of the reinforcing steel bar protective layer, so the end side of the ruler body 1 is used as the initial measuring reference surface 1.4, the ruler body 1 is convenient to insert and attach on the inner surface of the template from the distance of the reinforcing steel bars, during the actual operation, firstly calibration is carried out, the digital display device 2 is slid to the end part of the ruler body 1, so that the end point measuring surface 2.2 and the initial measuring reference surface 1.4 are positioned on the same plane, the count of the digital display device 2 is 0, then the digital display device 2 is slid to a certain position far away from the initial measuring reference surface 1.4, the initial measuring reference surface 1.4 is attached on the inner surface of the measuring template, the digital display device 2 is slid, so that the end point measuring surface 2.2 of the measuring plate 2.1 is attached on the reinforcing steel bars, the thickness of the reinforcing steel bar protective layer can be obtained by reading the number on the digital display device 2, the measurement can be completed in a one-time mode, and the operation is simple.
The embodiment of the utility model provides a quick high accuracy digital display reinforcing bar protective layer measuring instrument before worker, including chi body 1 and the digital display device 2 of slip setting on chi body 1, the tip flank shape of chi body 1 becomes originated measurement reference surface 1.4, digital display device 2 goes up the fixed measurement board 2.1 that sets up, the side of measurement board 2.1 forms terminal point measurement face 2.2, digital display device 2 can measure the measuring interval automatic measure and show between face 2.2 and the originated measurement reference surface 1.4 along with chi body 1 slip, when using, can be convenient insert chi body 1 to the reinforcing bar interval in and make originated measurement reference surface 1.4 laminate on the template inner face, slip digital display device 2 and make the terminal point measurement face 2.2 laminating of measurement board 2.1 on the reinforcing bar, can obtain the thickness of reinforcing bar protective layer through reading the figure on the digital display device 2, and easy operation, can once only obtain the measuring result, need not the secondary calculation.
In this embodiment, preferably, the end point measuring surface 2.2 is a side surface of the measuring plate 2.1 close to the initial measuring reference surface 1.4; therefore, when the ruler is used, the digital display device 2 and the measuring plate 2.1 can firstly slide to a far position far away from the initial measuring reference surface 1.4 along the ruler body 1, then the ruler body 1 is inserted to a position needing to be measured, the initial measuring reference surface 1.4 is attached to the inner surface of the measuring template, the measurement is completed by sliding the digital display device 2 and attaching the end point measuring surface 2.2 of the measuring plate 2.1 to the reinforcing steel bar, and the measuring operation is simple.
In this embodiment, preferably, the ruler body 1 comprises a ruler surface 1.1 and ruler frames 1.2 arranged on two opposite sides of the ruler surface 1.1 in the length direction; ruler frame 1.2 sets up in chi face 1.1 length direction both sides, both can realize the protection to chi face 1.1 through ruler frame 1.2, and sliding connection between digital display device 2 and the chi frame 1.2, if be provided with the slip recess on ruler frame 1.2, be provided with the sliding block on digital display device 2, the sliding block slides the restriction in the slip recess, so can restrict digital display device 2's slip for digital display device 2 can follow the length direction straight line slip of chi face 1.1.
In this embodiment, preferably, the ruler body 1 includes a scale mark section 1.5 and a hand-held section 1.6 which are connected, and the scale mark section 1.5 is provided with a mark scale 1.3; the number of the identification scales 1.3 can be one, and the number of the measurement units can be two, the length of the measurement can be actively read through the identification scales 1.3, and the measurement accuracy is improved by actively reading and combining with a digital display.
In this embodiment, preferably, the digital display ruler further comprises a positioning assembly 3, which is arranged between the ruler body 1 and the digital display device 2, and is used for fixing the digital display device 2 at any position in the length direction of the ruler body 1; so in the measurement process, after when display device 2 slides to suitable position, can fix display device 2 on chi body 1 through locating component 3 to avoid display device 2 to take place the skew and lead to the reading inaccurate.
In this embodiment, preferably, the positioning assembly 3 includes a fastening bolt 3.1, a rotating screw hole 3.2 for the fastening bolt 3.1 to rotate is formed in the digital display device 2, and the fastening bolt 3.1 can rotate along the rotating screw hole 3.2 to position the digital display device 2; fastening bolt 3.1 one end is located digital display device 2's inside and can with the side looks butt of chi body 1 length direction, and the other end of fastening bolt 3.1 stretches out from rotating screw 3.2 and is provided with the rotating head, can drive fastening bolt 3.1 through the rotating head and rotate screw 3.2 internal rotation, and when fastening bolt 3.1 supported and pressed on chi frame 1.2 after, realize the fixed between digital display device 2 and the chi body 1.
In this embodiment, preferably, the positioning assembly 3 further includes a positioning piece 4, an opening cavity 4.1 parallel to the length side of the ruler body 1 is arranged inside the digital display device 2, the opening cavity 4.1 is communicated with the rotating screw hole 3.2, the positioning piece 4 is fixedly arranged in the opening cavity 4.1, and the fastening bolt 3.1 rotates along the rotating screw hole 3.2 to drive the positioning piece 4 to abut against the side of the ruler body 1; spacer 4 is parallel with the length side of the chi body 1, the inside at opening chamber 4.1 is fixed respectively at 4 length direction's of spacer both ends, spacer 4's shape can be the arc, spacer 4's arc is towards chi body 1 one side bending, when using, through rotating fastening bolt 3.1, fastening bolt 3.1's tip supports pressure to spacer 4, thereby make spacer 4 can laminate and support and press on the length side of the chi body 1, thereby realize fixing between digital display device 2 and the chi body 1.
In this embodiment, preferably, the positioning piece 4 includes a sliding limiting portion 4.2 and a positioning portion 4.3 arranged along the length direction thereof, and the sliding limiting portion 4.2 and the positioning portion 4.3 can receive the driving of the fastening bolt 3.1 and then abut against the side edge of the ruler body 1; the sliding limiting part 4.2 is used for being attached to the length side edge of the ruler body 1, so that the digital display device 2 has resistance when sliding along the ruler body 1, at the moment, the digital display device 2 slides relatively slowly, the positioning part 4.3 is used for being abutted against the length side edge of the ruler body 1 to fix the digital display device 2 and the ruler body 1, the sliding limiting part 4.2 can be a friction part with larger friction force arranged on the positioning sheet 4, the positioning part 4.3 and the positioning sheet 4 can be integrally arranged, the positioning part 4.3 can be a sheet-shaped structure arranged at the bottom of the positioning sheet 4, a bulge is arranged on the sheet-shaped structure, the fixing effect between the positioning part 4.3 and the ruler body 1 can be improved through the bulge, the sliding limiting part 4.2 comprises a limiting sheet 4.4, an open slot 4.5 is arranged at the bottom of the positioning sheet 4, the limiting sheet 4.4 is slidably connected in the open slot 4.5, a spring part 4.6 is arranged in the open slot 4.5, one end of the spring part 4.6 is fixed on the side wall at the top of the open slot 4.5, the other end of the spring element 4.6 is fixedly connected with the limiting piece 4.4, the sliding limiting part 4.2 and the positioning part 4.3 are arranged, when the positioning piece 4 is driven to move towards one side of the ruler body 1 through the fastening bolt 3.1, the limiting piece 4.4 is firstly contacted with the side edge of the ruler body 1 (at this time, the spring element 4.6 can not be compressed, or the compression amplitude is very small), at this time, the limiting piece 4.4 has a blocking effect on the sliding of the digital display device 2, so that the digital display device 2 can slide slowly and accurately, after the digital display device 2 slides to a final measurement position, the fastening bolt 3.1 is continuously rotated so that the positioning piece 4 continues to move (in the process, the limiting piece 4.4 is gradually collected into the open slot 4.5 by being pressed, the spring element 4.6 is compressed) until the positioning part 4.3 is abutted against the side edge of the ruler body 1, at this time, the positioning part 4.3 and the limiting piece 4.4 are abutted against the side edge of the ruler body 1, thereby realizing the fixation between the digital display device 2 and the ruler body 1.
In the embodiment, preferably, the positioning sheet 4 is arranged in the open cavity 4.1 in a sliding manner, the elastic member 4.7 is arranged in the open cavity 4.1, one end of the elastic member 4.7 is connected with the top wall of the open cavity 4.1, and the other end of the elastic member 4.7 is fixedly connected with the positioning sheet 4, so that in the using process, measurement can be carried out step by step according to needs, in the initial state, the elastic member 4.7 and the spring member 4.6 are both in the original length, the positioning sheet 4 is stored in the open cavity 4.1, at the moment, the limiting sheet 4.4 and the positioning portion 4.3 are both separated from the side edge of the ruler body 1, and the digital display device 2 slides along the ruler body 1 quickly and conveniently, after the digital display device 2 tentatively slides to suitable position, accessible fastening bolt 3.1 rotates, thereby make spacer 4 along opening chamber 4.1 outwards move until restriction piece 4.4 contacts with the side of chi body 1, restriction piece 4.4 has the effect of blockking to the slip of digital display device 2 this moment, make digital display device 2 can slow accurate slip, slide to final measuring position when digital display device 2, can continue rotatory fastening bolt 3.1, location portion 4.3 and restriction piece 4.4 all with the side looks butt of chi body 1 in order to realize fixing of digital display device 2 when up, accomplish the measurement, so the substep is measured and can be promoted the measuring accuracy.
Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides a quick high accuracy digital display reinforcing bar protective layer measuring instrument before worker, includes the chi body and slides and set up digital display device on the chi body, its characterized in that, the tip side of the chi body forms the originated reference surface of measuring, the last fixed measurement board that is provided with of digital display device, the side of measuring the board forms the terminal point and measures the face, the terminal point measure the face with the originated reference surface of measuring parallels, digital display device follows the chi body slides can be right terminal point measure the face with the measurement interval between the originated reference surface of measuring carries out automatic measurement and shows.
2. The pre-construction rapid high-precision digital reinforcing bar protective layer measuring instrument according to claim 1, wherein the end point measuring surface is a side surface of the measuring plate close to the initial measuring reference surface.
3. The pre-construction rapid high-precision digital steel bar protective layer measuring instrument according to claim 1, wherein the ruler body comprises a ruler surface and ruler frames arranged on two opposite sides of the ruler surface in the length direction.
4. The pre-construction rapid high-precision digital-display reinforcing steel bar protection layer measuring instrument according to claim 1, wherein the ruler body comprises a scale mark section and a hand-held section which are connected, and the scale mark section is provided with mark scales.
5. The pre-construction rapid high-precision digital display steel bar protective layer measuring instrument according to claim 1, further comprising a positioning assembly arranged between the ruler body and the digital display device and used for fixing the digital display device at any position in the length direction of the ruler body.
6. The pre-construction rapid high-precision digital display steel bar protective layer measuring instrument according to claim 5, wherein the positioning assembly comprises a fastening bolt, a rotating screw hole for the fastening bolt to rotate is formed in the digital display device, and the fastening bolt can rotate along the rotating screw hole to position the digital display device.
7. The pre-construction rapid high-precision digital display steel bar protective layer measuring instrument according to claim 6, wherein the positioning assembly further comprises a positioning piece, an open cavity parallel to the length side of the ruler body is arranged inside the digital display device, the open cavity is communicated with the rotating screw hole, the positioning piece is fixedly arranged in the open cavity, and the fastening bolt rotates along the rotating screw hole to drive the positioning piece to abut against the side of the ruler body.
8. The pre-construction rapid high-precision digital display steel bar protective layer measuring instrument according to claim 7, wherein the positioning piece comprises a sliding limiting part and a positioning part which are arranged along the length direction of the positioning piece, and the sliding limiting part and the positioning part can be driven by the fastening bolt to be abutted against the side edge of the ruler body in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861262.3U CN218270494U (en) | 2022-07-19 | 2022-07-19 | Pre-construction quick high-precision digital display reinforcing steel bar protective layer measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861262.3U CN218270494U (en) | 2022-07-19 | 2022-07-19 | Pre-construction quick high-precision digital display reinforcing steel bar protective layer measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218270494U true CN218270494U (en) | 2023-01-10 |
Family
ID=84761750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221861262.3U Expired - Fee Related CN218270494U (en) | 2022-07-19 | 2022-07-19 | Pre-construction quick high-precision digital display reinforcing steel bar protective layer measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218270494U (en) |
-
2022
- 2022-07-19 CN CN202221861262.3U patent/CN218270494U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230110 |