CN213812294U - House building quality standard ruler - Google Patents
House building quality standard ruler Download PDFInfo
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- CN213812294U CN213812294U CN202023218043.7U CN202023218043U CN213812294U CN 213812294 U CN213812294 U CN 213812294U CN 202023218043 U CN202023218043 U CN 202023218043U CN 213812294 U CN213812294 U CN 213812294U
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- 238000009435 building construction Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 18
- 238000005259 measurement Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a housing construction quality standard chi belongs to the measuring instrument field. The utility model relates to a standard ruler for building quality, which comprises a first ruler arm, a second ruler arm and a connecting shaft, wherein one end of the first ruler arm is rotationally connected with one end of the second ruler arm through the connecting shaft, the top surface of one end of the first ruler arm and the second ruler arm connected with the connecting shaft is provided with a first locking mechanism for unfolding and fixing, the side surface of one end of the first ruler arm and the second ruler arm far away from the connecting shaft is provided with a second locking mechanism for folding and fixing, the bottom of one end of the first ruler arm or the second ruler arm far away from the connecting shaft is embedded and connected with a laser level for leveling, the bottom of the other end of the first ruler arm or the second ruler arm far away from the connecting shaft is embedded and connected with a flexible rule, the first ruler arm or the second ruler arm is also provided with an instrument panel for measuring the verticality of a wall surface, the bottom surfaces of the first ruler arm and the second ruler arm are provided with scales, the operation is simple, convenient to use can deal with different measuring environment.
Description
Technical Field
The utility model relates to a measuring instrument field, more specifically say, relate to a housing construction quality standard chi.
Background
The traditional construction engineering quality standard ruler is mainly used for detecting the construction and completion quality of engineering construction, decoration and fitment, bridge construction, equipment installation and other projects, and the traditional construction engineering quality detection ruler is divided into a plurality of types, such as: running-rule, tape measure, surveyor's level etc. their function varies, needs the cooperation of multiple instrument to accomplish when measuring and detects to let the user need look for other instrument and cooperate when using them, this can influence work efficiency, and current building engineering quality detection chi function singleness needs the cooperation of multiple instrument, and it is very inconvenient to operate.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model aims to overcome the problems that the prior construction engineering quality detecting ruler has single function, needs a plurality of tools to be matched and is inconvenient to operate, and the like, and provides a standard ruler for building quality, which adopts the technical proposal of the utility model, the standard ruler is divided into a first ruler arm and a second ruler arm, the first ruler arm and the second ruler arm are rotationally connected through a connecting shaft, a first locking mechanism and a second locking mechanism for unfolding, locking and folding the standard ruler are respectively arranged between the first ruler arm and the second ruler arm, the bottoms at both ends of the standard ruler are respectively provided with a laser level gauge and a measuring tape, the standard ruler is also provided with an instrument panel, the bottom surface of the standard ruler is provided with scales, through the structure, when a plurality of tools are matched and detected, the backup ruler, the measuring tape and the level gauge are combined and utilized, the trouble of searching different tools is saved, the operation is simple and the use is convenient, different measurement environments can be dealt with.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a housing construction quality standard chi, its characterized in that: the standard ruler comprises a first ruler arm, a second ruler arm and a connecting shaft, wherein one end of the first ruler arm and one end of the second ruler arm are connected in a rotating mode through the connecting shaft, a first locking mechanism used for unfolding and fixing is arranged on the top face of one end, connected with the connecting shaft, of the first ruler arm and the second ruler arm, a second locking mechanism used for folding and fixing is arranged on the side face of one end, far away from the connecting shaft, of the first ruler arm or the second ruler arm, a laser level used for leveling is connected to the bottom of one end, far away from the connecting shaft, of the first ruler arm or the second ruler arm, a tape is connected to the bottom of the other end, far away from the connecting shaft, of the first ruler arm or the second ruler arm, a meter panel used for measuring the perpendicularity of a wall surface is further arranged on the first ruler arm or the second ruler arm, and scales are arranged on the bottom faces of the first ruler arm and the second ruler arm.
Furthermore, the first locking mechanism comprises a first fixing column and a first lock catch, the first fixing column is installed on the top surface of the end part of one end, close to the connecting shaft, of the first ruler arm or the second ruler arm, the first lock catch is symmetrically and hinged to the top surface of the end part of the other ruler arm, and when the standard ruler is unfolded to be horizontal, the first lock catch rotates to the position of the first fixing column to be locked, so that the first ruler arm and the second ruler arm are locked in a horizontally unfolded state.
Furthermore, the second locking mechanism comprises a second fixing column and a second lock catch, the second fixing column is mounted on the side surface of the end portion of one end, far away from the connecting shaft, of the first ruler arm or the second ruler arm, the second lock catch is symmetrically hinged to the side surface of the end portion of the other ruler arm, and when the standard ruler is folded in a closed mode, the second lock catch rotates to the position of the second fixing column to be buckled, so that the first ruler arm and the second ruler arm are locked in the folded state.
Furthermore, a graduator, a movable pin cover and an instrument panel horizontal pipe are sequentially arranged in the instrument panel from left to right, and a movable pin matched with the graduator for use is hinged in the movable pin cover.
Furthermore, the first ruler arm and the second ruler arm are both provided with anti-slip handles.
Furthermore, the bottoms of the first ruler arm and the second ruler arm, which are far away from the connecting shaft, are connected with protective sleeves in a nested manner.
Furthermore, the surfaces of the first ruler arm and the second ruler arm adjacent to the instrument panel are respectively and symmetrically provided with a first horizontal pipe and a second horizontal pipe.
Furthermore, a level switch is arranged at the top of the laser level.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model relates to a standard ruler for building quality, which comprises a first ruler arm, a second ruler arm and a connecting shaft, wherein one end of the first ruler arm is rotationally connected with one end of the second ruler arm through the connecting shaft, the top surface of one end of the first ruler arm and the second ruler arm connected with the connecting shaft is provided with a first locking mechanism for unfolding and fixing, the side surface of one end of the first ruler arm and the second ruler arm far away from the connecting shaft is provided with a second locking mechanism for folding and fixing, the bottom of one end of the first ruler arm or the second ruler arm far away from the connecting shaft is embedded and connected with a laser level for leveling, the bottom of the other end of the first ruler arm or the second ruler arm far away from the connecting shaft is embedded and connected with a flexible rule, the first ruler arm or the second ruler arm is also provided with an instrument panel for measuring the verticality of a wall surface, the bottom surfaces of the first ruler arm and the second ruler arm are provided with scales, through the structure, the standard ruler is designed to be rotationally connected with the first ruler arm and the second ruler arm, form collapsible the portable structure who accomodates and expand the use, cooperation is provided with on first chi arm and the second chi arm and is used for expanding fixed first locking mechanical system and is used for folding fixed second locking mechanical system, form reliable expansion and beta structure, the laser level appearance is through projecting out "cross" light of vertical direction, the person of facilitating the use carries out work such as wall construction, the ceramic tile is spread and is pasted, door and window installation, the functionality of standard chi has been increased, the design of standard chi bottom embedding tape measure, the user can directly take out the tape measure directly from the standard chi and directly use has been made things convenient for, the practicality of standard chi has been improved, the bottom surface of first chi arm and second chi arm all is equipped with the scale, measuring accuracy and convenience have been guaranteed, the panel board of having guaranteed that the standard chi can carry out the measurement of wall straightness that hangs down, further improve standard chi measuring variety.
(2) The utility model discloses a housing construction quality standard ruler, first locking mechanism includes first fixed column and first hasp, first fixed column is installed and is being close to the tip top surface of the one end of connecting axle at first chi arm or second chi arm, first hasp articulates the tip top surface of installing at another chi arm symmetrically, when standard ruler expandes to the level, rotate to first fixed column position lock through first hasp, with first chi arm and second chi arm locking at the level state of expandeing, through the structure, when first chi arm passes through the connecting axle with second chi arm and rotates to the level and expand, rotate to first fixed column position lock through first hasp, it is spacing in first hasp to make first fixed column, form stable expansion structure, the stability that standard ruler expandes the use has been guaranteed.
(3) The utility model discloses a housing construction quality standard ruler, second locking mechanical system includes second fixed column and second hasp, the second fixed column is installed in the tip side of the one end of connecting axle is kept away from at first chi arm or second chi arm, the articulated tip side of installing at another chi arm of second hasp symmetry, when the closed folding of standard ruler, rotate to second fixed column position lock through the second hasp, with lock first chi arm and second chi arm at closed fold condition, through the structure, when first chi arm and second chi arm pass through the connecting axle and rotate to vertical closure, rotate to second fixed column position lock through the second hasp, it is spacing in the second hasp to make the second fixed column, form stable beta structure, the stability of standard ruler folding accomodating has been guaranteed.
(4) The utility model discloses a housing construction quality standard chi, be equipped with the graduator from a left side to the right side in proper order in the panel board, activity round pin lid and panel board horizontal tube, it has the removable pin that uses with the graduator cooperation to articulate in the removable pin lid, the removable pin through in the removable pin lid becomes vertical state under the action of gravity, directional reading according to the position control pointer of removable pin through the graduator, with this accurate straightness that hangs down of measuring the wall, when the panel board horizontal tube guarantees that standard chi uses, observe the horizontality of instrument board side, and then improve the precision that standard chi used.
(5) The utility model discloses a housing construction quality standard chi, all be equipped with the antiskid on first chi arm and the second chi arm and shake hands, shake hands through the antiskid, guarantee that the standard chi is not smooth to take off in the use.
(6) The utility model discloses a housing construction quality standard chi, the equal nested connection in one side bottom that the connecting axle was kept away from to first chi arm and second chi arm has the lag, protects embedded laser level meter and tape measure through the lag and reduces the impact such as collide with, has prolonged the life of tape measure and laser level meter.
(7) The utility model discloses a housing construction quality standard ruler, first chi arm and second chi arm are equipped with first water flat pipe and second water flat pipe with the symmetry respectively on the adjacent face of panel board, through the design of first water flat pipe and second water flat pipe, have guaranteed that the standard ruler is when carrying out the side measurement, and the water flat pipe through the side design is convenient to the adjustment of standard ruler levelness.
(8) The utility model discloses a housing construction quality standard chi, the top of laser level appearance is equipped with the spirit level switch, through opening and closing of spirit level on-off control laser level appearance.
Drawings
Fig. 1 is a schematic view of a folding structure of a standard ruler for building quality of the present invention;
fig. 2 is a side view of an expanded structure of a quality standard ruler for house building according to the present invention;
fig. 3 is an elevation view of an expanded structure of a quality standard ruler for house building of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at M;
fig. 5 is a schematic structural view of a measuring tape of the standard quality ruler for building construction according to the present invention;
fig. 6 is the utility model discloses a building construction quality standard ruler's laser level structural schematic.
The reference numerals in the schematic drawings illustrate:
1. a standard ruler; 2. a first blade arm; 3. a connecting shaft; 4. a second blade arm; 5. a laser level; 501. a level switch; 502. a first level; 503. a second level; 504. a battery compartment; 6. an instrument panel; 7. a graduating instrument; 8. a removable pin cover; 9. a horizontal tube of the instrument panel; 10. a first lock catch; 11. a first fixed column; 12. a first horizontal tube; 13. a second lock catch; 14. a second horizontal tube; 15. calibration; 16. a protective sleeve; 17. anti-skid handshake; 18. a tape measure; 19. and a second fixing column.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
[ examples ]
Referring to fig. 1, 3 and 5, a standard ruler for building quality of the present embodiment includes a first ruler arm 2, a second ruler arm 4 and a connecting shaft 3, wherein one end of the first ruler arm 2 and one end of the second ruler arm 4 are rotatably connected by the connecting shaft 3, a first locking mechanism for unfolding and fixing is disposed on a top surface of one end of the first ruler arm 2 and the second ruler arm 4 connected to the connecting shaft 3, a second locking mechanism for folding and fixing is disposed on a side surface of one end of the first ruler arm 2 and the second ruler arm 4 away from the connecting shaft 3, a laser level 5 for leveling is embedded and connected to a bottom of one end of the first ruler arm 2 or the second ruler arm 4 away from the connecting shaft 3, a tape 18 is embedded and connected to a bottom of the other end of the first ruler arm 2 or the second ruler arm 4 away from the connecting shaft 3, an instrument panel 6 for measuring perpendicularity of a wall surface is further disposed on the first ruler arm 2 or the second ruler arm 4, the bottom surfaces of the first ruler arm 2 and the second ruler arm 4 are both provided with scales 15, specifically, the first ruler arm 2 and the second ruler arm 4 are in rectangular rod-shaped structures with the same shape and size, when the standard ruler 1 is unfolded for use, the first ruler arm 2 and the second ruler arm 4 are rotated to be horizontal and in a straight line, the end part of the first ruler arm 2 connected with the connecting shaft 3 and the end part of the second ruler arm 4 connected with the connecting shaft 3 are rotated to be mutually abutted under the action of the connecting shaft 3, the first ruler arm 2 and the second ruler arm 4 are maintained in an unfolded state through a first locking mechanism to complete the unfolding of the standard ruler 1, when the standard ruler 1 is folded and stored, the first ruler arm 2 and the second ruler arm 4 are rotated until the bottom surface of the first ruler arm 2 is abutted against the bottom surface of the second ruler arm 4, the first ruler arm 2 and the second ruler arm 4 are maintained in a folded state through a second locking mechanism, the bottom part of one end, far away from the connecting shaft 3, of the first ruler arm 2 is connected with a laser level 5, the bottom of the other end, far away from the connecting shaft 3, of the second ruler arm 4 is connected with a tape 18 in an embedded mode, the top face of the middle of the first ruler arm 2 is provided with an instrument panel 6, different measuring environments and measuring requirements are measured through the laser level 5, the scales 15, the instrument panel 6 and the tape 18, and a portable structure capable of being folded, stored and unfolded for use is formed.
As can be seen from fig. 3, in the present embodiment, the first locking mechanism includes a first fixed pillar 11 and a first lock catch 10, the first fixed pillar 11 is installed on the top surface of the end portion of one end of the first blade arm 2 or the second blade arm 4 close to the connecting shaft 3, the first lock catch 10 is symmetrically and hingedly installed on the top surface of the end portion of the other blade arm, when the standard ruler 1 is unfolded to be horizontal, the first lock catch 10 rotates to the position of the first fixing column 11 to be buckled, so as to lock the first ruler arm 2 and the second ruler arm 4 in a horizontal unfolding state, in particular, a first fixing column 11 is arranged on the top surface of the end part of one end of the second ruler arm 4 close to the connecting shaft 3, a first lock catch 10 is hinged on the top surface of the end part of the first ruler arm 2 and corresponds to the position of the first fixing column 11, when in use, the first lock catch 10 is rotated, the clamping groove at the end of the first lock catch 10 is clamped on the first fixing column 11 to form a stable locking structure.
As can be seen from fig. 1, in the present embodiment, the second locking mechanism includes a second fixing column 19 and a second latch 13, the second fixing column 19 is mounted on the end side of one end of the first blade arm 2 or the second blade arm 4 away from the connecting shaft 3, the second latch 13 is symmetrically and hingedly mounted on the end side of the other blade arm, when the standard blade 1 is folded in the closed state, the second latch 13 is rotated to the position of the second fixing column 19 to be latched, so as to lock the first blade arm 2 and the second blade arm 4 in the folded state, specifically, the second fixing column 19 is mounted on the end side of one end of the first blade arm 2 away from the connecting shaft 3, the second latch 13 is mounted on the end side of one end of the second blade arm 4 away from the connecting shaft 3, and corresponding to the mounting position of the second fixing column 19, when in use, the second latch 13 is rotated to be latched on the second fixing column 19 through the latching slot at the end of the second latch 13, a stable locking structure is formed.
As can be seen from fig. 4, in this embodiment, a graduating instrument 7, a movable pin cover 8 and an instrument panel horizontal tube 9 are sequentially arranged in the instrument panel 6 from left to right, a movable pin used in cooperation with the graduating instrument 7 is hinged in the movable pin cover 8, specifically, the movable pin cover 8 is opened, the guiding rule is tightly attached to the wall surface, the movable pin is in a vertical state under the action of gravity, the graduating instrument 7 can adjust the pointing reading of the pointer according to the position of the movable pin, the perpendicularity of the wall surface is measured, the levelness at the moment is measured through the instrument panel horizontal tube 9, and the measurement is more accurate.
As can be seen from fig. 1, in order to ensure that the standard ruler 1 does not slip off in the using process, the first ruler arm 2 and the second ruler arm 4 are both provided with anti-slip grips 17, specifically, the anti-slip grips 17 are symmetrically arranged on the side surfaces of the first ruler arm 2 and the second ruler arm 4, the anti-slip grips 17 are made of hard plastic, the contour and the appearance of the anti-slip grips 17 are matched with fingers, and the surface of the anti-slip grips 17 is provided with anti-slip lines.
As can be seen from fig. 2, in order to prolong the service life of the tape measure 18 and the laser level 5, the bottoms of the sides of the first and second arms 2 and 4 away from the connecting shaft 3 are respectively connected with a protective sleeve 16 in a nesting manner, specifically, the protective sleeves 16 are made of rubber materials, and the standard ruler 1 is ensured to reduce damage to the tape measure 18 and the laser level 5 caused by external force when in use or moving by nesting the protective sleeves 16.
As can be seen from fig. 2, in the present embodiment, the first level tube 12 and the second level tube 14 are respectively and symmetrically disposed on the surfaces of the first ruler arm 2 and the second ruler arm 4 adjacent to the instrument panel 6, and specifically, when the measurement is performed through the side surface of the standard ruler 1, the measured levelness can be recorded through the level tubes on the opposite side surface, so that the measurement accuracy is improved.
As shown in fig. 6, in this embodiment, a level switch 501 is disposed on the top of the laser level 5, a circuit board is disposed on the bottom of the laser level 5, a first level 502 and a second level 503 are disposed on the same side of one end of the circuit board, the first level 502 is disposed parallel to the circuit board, the second level 503 is disposed perpendicular to the circuit board, the irradiation directions of the first level 502 and the second level 503 are outward along the first ruler arm 2 to form a cross light, a battery compartment 504 is disposed on the bottom of the circuit board, and a series loop is formed among the battery compartment 504, the circuit board and the level switch 501. The specific circuit structure and operation principle of the laser level 5 are the same as those of the prior art, and are not described herein again.
In order to further understand the technical scheme of the utility model, the working principle of the building construction quality standard ruler of the utility model is further explained by combining fig. 1 to fig. 3.
The utility model discloses a housing construction quality standard ruler, during the use, dial out second hasp 13 of joint on second fixed column 19, expand into the straight line through 3 levels of connecting axle with first chi arm 2 and second chi arm 4, rotate first hasp 10 joint to on first fixed column 11, form stable expanding structure, the antiskid of grabbing first chi arm 2 and 4 sides of second chi arm with the hand 17 of shaking hands, utilize the scale 15 of 1 bottom surface of standard chi, measure, when needs measure the house straightness that hangs down, be close to the vertical placing in corner with standard chi 1, open the activity round pin lid 8 that is located panel board 6, the activity round pin becomes vertical state under the action of gravity, the directional reading of pointer can be adjusted according to the position of activity round pin to this comes the accurate wall straightness that hangs down that expresses. When horizontal measurement is needed, the protective sleeve 16 nested on the periphery of the left end of the first ruler arm 2 is taken out, the surface with the scales 15 is tightly attached to the ground, the level switch 501 of the laser level 5 is turned on, and horizontal measurement is conducted through cross light. When the tape measure 18 needs to be measured, the protective sleeve 16 nested at the periphery of the right end of the second ruler arm 4 is taken out, and the tape measure 18 is drawn out for use. When the folding ruler is not used, the standard ruler 1 is folded through the connecting shaft 3, the second lock catch 13 on the second ruler arm 4 is shifted, and the second lock catch 13 is clamped on the second fixing column 19 of the first ruler arm 2, so that a reliable folding structure is formed.
The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.
Claims (8)
1. A house building quality standard ruler is characterized in that: the standard ruler (1) comprises a first ruler arm (2), a second ruler arm (4) and a connecting shaft (3), wherein one end of the first ruler arm (2) is rotatably connected with one end of the second ruler arm (4) through the connecting shaft (3), a first locking mechanism for unfolding and fixing is arranged on the top surface of one end, connected with the connecting shaft (3), of the first ruler arm (2) and the second ruler arm (4), a second locking mechanism for folding and fixing is arranged on the side surface of one end, far away from the connecting shaft (3), of the first ruler arm (2) or the second ruler arm (4), a laser level (5) for leveling is connected with the bottom of one end, far away from the connecting shaft (3), of the first ruler arm (2) or the second ruler arm (4), a tape (18) is connected with the bottom of the other end, far away from the connecting shaft (3), of the first ruler arm (2) or the second ruler arm (4), the first ruler arm (2) or the second ruler arm (4) are further provided with an instrument panel (6) used for measuring the perpendicularity of the wall surface, and the bottom surfaces of the first ruler arm (2) and the second ruler arm (4) are provided with scales (15).
2. The building construction quality standard ruler of claim 1, wherein: the first locking mechanism comprises a first fixing column (11) and a first lock catch (10), the first fixing column (11) is installed on the top surface of the end portion of one end, close to the connecting shaft (3), of the first ruler arm (2) or the second ruler arm (4), the first lock catch (10) is symmetrically hinged to the top surface of the end portion of the other ruler arm, when the standard ruler (1) is unfolded to be horizontal, the first lock catch (10) rotates to the position of the first fixing column (11) to be locked, and therefore the first ruler arm (2) and the second ruler arm (4) are locked in a horizontally unfolded state.
3. The building construction quality standard ruler of claim 2, wherein: the second locking mechanism comprises a second fixing column (19) and a second lock catch (13), the second fixing column (19) is installed on the side face of the end portion of one end, far away from the connecting shaft (3), of the first ruler arm (2) or the second ruler arm (4), the second lock catch (13) is symmetrically hinged to the side face of the end portion of the other ruler arm, when the standard ruler (1) is folded in a closed mode, the second lock catch (13) is rotated to the position of the second fixing column (19) to be locked, and therefore the first ruler arm (2) and the second ruler arm (4) are locked in the folded state.
4. The building construction quality standard ruler of claim 1, wherein: instrument board (6) in from a left side to the right side be equipped with graduator (7), activity round pin lid (8) and panel board horizontal tube (9) in proper order, activity round pin lid (8) in articulated have with graduator (7) cooperation use the activity round pin.
5. A building construction quality gauge according to claim 3, wherein: the first ruler arm (2) and the second ruler arm (4) are both provided with anti-skidding handles (17).
6. The building construction quality gauge according to claim 5, wherein: the bottom of one side of the first ruler arm (2) and the bottom of one side of the second ruler arm (4) far away from the connecting shaft (3) are both connected with a protective sleeve (16) in a nested manner.
7. The building construction quality standard ruler of claim 1, wherein: the first ruler arm (2) and the second ruler arm (4) are respectively and symmetrically provided with a first horizontal pipe (12) and a second horizontal pipe (14) on the surfaces adjacent to the instrument panel (6).
8. The building construction quality gauge according to claim 7, wherein: the top of the laser level meter (5) is provided with a level meter switch (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023218043.7U CN213812294U (en) | 2020-12-28 | 2020-12-28 | House building quality standard ruler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023218043.7U CN213812294U (en) | 2020-12-28 | 2020-12-28 | House building quality standard ruler |
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| Publication Number | Publication Date |
|---|---|
| CN213812294U true CN213812294U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023218043.7U Active CN213812294U (en) | 2020-12-28 | 2020-12-28 | House building quality standard ruler |
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| CN (1) | CN213812294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102435761B1 (en) * | 2021-08-18 | 2022-08-23 | 이윤규 | Level measuring apparatus |
| US11624609B1 (en) * | 2022-09-25 | 2023-04-11 | Ruisi Xia | Foldable horizontal ruler |
-
2020
- 2020-12-28 CN CN202023218043.7U patent/CN213812294U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102435761B1 (en) * | 2021-08-18 | 2022-08-23 | 이윤규 | Level measuring apparatus |
| US11624609B1 (en) * | 2022-09-25 | 2023-04-11 | Ruisi Xia | Foldable horizontal ruler |
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Effective date of registration: 20240425 Address after: No. 5, Huze Industrial and Trade Park, Zepu County, Kashgar Prefecture, Xinjiang Uygur Autonomous Region, 844800 Patentee after: Xinjiang Jinxin Jiafang Construction Co.,Ltd. Country or region after: China Address before: 213164 No. 33 Gehuzhong Road, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU VOCATIONAL INSTITUTE OF ENGINEERING Country or region before: China |
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