CN104949656B - Reflecting bubble level bar - Google Patents
Reflecting bubble level bar Download PDFInfo
- Publication number
- CN104949656B CN104949656B CN201410112189.3A CN201410112189A CN104949656B CN 104949656 B CN104949656 B CN 104949656B CN 201410112189 A CN201410112189 A CN 201410112189A CN 104949656 B CN104949656 B CN 104949656B
- Authority
- CN
- China
- Prior art keywords
- level
- bubble
- blister
- reflective
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
- G01C9/34—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble of the tubular type, i.e. for indicating the level in one direction only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
- G01C9/26—Details
- G01C9/32—Means for facilitating the observation of the position of the bubble, e.g. illuminating means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention provides a reflective bubble level bar, which comprises an elongated bar body, a first measuring device and a second measuring device, wherein the elongated bar body comprises a first surface and a second surface, a cavity is arranged between the first surface and the second surface, and the cavity is provided with an opening on the second surface; the level provided in the cavity includes: the non-light-tight body ruler body is provided with an inclined plane and a first observation surface; the bubble component is arranged in the ruler body, the longitudinal axis of the bubble component is vertical to the first surface, the first surface is arranged between the first end of the bubble component and the surface to be measured, and the first observation surface is arranged between the second end of the bubble component and a user; forming an image of the blister assembly by oblique reflection; the user can observe the image of the blister component reflected by the inclined surface through the first observation surface. The reflection bubble level provided by the invention utilizes light to generate reflection when passing through the interface, so that a user can observe a bubble component from the front when measuring the verticality.
Description
Technical Field
The invention relates to a reflection bubble level bar, belonging to measuring tools.
Background
The bubble level is a measuring tool for measuring the levelness and vertical plane of the surface of an object, and generally, the level takes the bottom surface as a reference plane, the bottom surface of the level leans against the surface of the object to be measured, and whether the measured surface is horizontal or vertical is judged by observing the corresponding level bubble on the level.
When a plane is required to be measured to be horizontal, the level bar is horizontally placed on the measured plane, whether the level bubble on the 180-degree bubble component moves to the middle of the two scales on the level bubble is observed, if the level bubble is in the middle, the measured plane is horizontal, otherwise, the measured plane is not horizontal.
When a plane is to be measured to be vertical, the level bar is vertically leaned on the measured plane, whether the level bubble on the 90-degree bubble assembly moves to the middle of two scales on the level bubble is observed, if the level bubble is in the middle, the measured plane is vertical, otherwise, the measured plane is not vertical.
Because the level bubble can only be observed through the side surface of the level ruler by the common 90-degree bubble component, and the level bubble is particularly inconvenient to use in special occasions where the side surface of some level rulers is blocked, the reflection bubble level ruler which can observe the position of the bubble from the direction facing to the surface to be measured through specular reflection appears. However, the reflective bubble level needs to have the mirror surface installed in the bubble level, the manufacturing process is relatively complicated, and the manufacturing cost is relatively high.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the level for measuring the verticality observed from the front, which is simple to manufacture and low in manufacturing cost.
The invention provides a level, comprising:
the ruler body is a non-light-tight body and is provided with a reference surface for measuring the verticality of the measured surface, an inclined plane intersecting with the reference surface and a first observation surface;
the bubble component is arranged in the ruler body, the longitudinal axis of the bubble component is perpendicular to the reference surface, the reference surface is arranged between the first end of the bubble component and the surface to be measured, and the first observation surface is opposite to the reference surface and arranged between the second end of the bubble component and a user;
the inclined plane and the reference surface form an obtuse angle at one side provided with the bubble component, and an image of the bubble component is formed through reflection of the inclined plane;
the user can view the image of the blister component reflected by the inclined surface from the first viewing surface.
Furthermore, the ruler body is manufactured in an integrated mode, the inclined plane used for reflecting the bubble component is formed in an integrated mode during machining, extra assembly and calibration are not needed, and therefore the ruler is simple to manufacture and low in manufacturing cost.
Furthermore, the ruler body is transparent, so that light rays can be conveniently transmitted in the ruler body, and clear images of the blister component can be formed.
Further, the ruler body also comprises a second observation surface, the second observation surface is a side surface of the ruler body, and a user can directly observe the blister component from the second observation surface.
Further, the inclined surface is one.
Further, the number of the inclined planes is two, images of the bubble assembly reflected by the inclined planes can be observed from two sides of the bubble assembly, and the visual angle range of the images of the bubble assembly reflected by the inclined planes can be observed.
Further, two inclined planes are symmetrically arranged about the bubble component, the imaging of the two inclined planes can be observed simultaneously from the position of the second end of the bubble component, and according to the consistency of the two inclined planes, whether the horizontal ruler is accurately machined or not can be checked
Further, the bubble component is an independent component and is arranged in the hole of the ruler body.
Furthermore, the outer wall of the bubble component is the hole wall of the hole of the ruler body, the hole wall of the hole formed by integral forming is used as the outer wall of the bubble component, and liquid and gas are added to the hole wall to form the bubble component after sealing.
Further, the inclined plane is coated with a film to improve the brightness of the reflected image.
Further, the obtuse angle formed by the inclined surface and the reference surface at the side where the bubble assembly is arranged is 120-150 °.
Further, the inclined surface forms an obtuse angle of 135 ° with the reference surface at a side where the blister assembly is disposed.
The invention provides a reflection bubble level bar, comprising:
the long ruler body comprises a first surface and a second surface, a cavity is arranged between the first surface and the second surface, the cavity is provided with an opening on the second surface, and the first surface is a reference surface for measuring a measured surface;
the level bar sets up in the cavity, and the level bar includes:
the ruler body is a non-light-tight body and is provided with an inclined plane and a first observation surface;
the bubble component is arranged in the ruler body, the longitudinal axis of the bubble component is perpendicular to the first surface, the first surface is arranged between the first end of the bubble component and the surface to be measured, and the first observation surface is opposite to the first surface and is arranged between the second end of the bubble component and a user;
the inclined plane and the first surface form an obtuse angle at one side provided with the bubble component, and an image of the bubble component is formed through reflection of the inclined plane;
the user can observe the image of the blister component reflected by the inclined plane from the first observation surface;
a user can view the first viewing surface of the level through the opening in the second surface.
Furthermore, the ruler body of the level ruler is manufactured in an integrated mode, the inclined plane used for reflecting the bubble component is formed in an integrated mode during machining, extra assembly and calibration are not needed, and therefore the level ruler is simple to manufacture and low in manufacturing cost.
Furthermore, the ruler body of the level ruler is transparent, so that light rays can be conveniently transmitted in the ruler body, and clear images of the bubble components are formed.
Furthermore, the ruler body of the level ruler also comprises a second observation surface, and the second observation surface is the side surface of the ruler body; the user can directly view the blister assembly from the second viewing surface.
Further, a window part is arranged at the opening of the second surface.
Further, the scale body of the reflective bubble level further comprises a third surface and a fourth surface which are oppositely arranged, the cavity is provided with an opening on the third surface and/or the fourth surface, and a user can observe the second observation surface of the level through the opening on the third surface and/or the fourth surface.
Further, a window member is provided at the opening on the third surface and/or the fourth surface.
Furthermore, the number of the inclined planes of the ruler body of the level ruler is one or two, the number of the inclined planes is two, images of the bubble assembly reflected through the inclined planes can be observed from two sides of the bubble assembly, and the range of the images of the bubble assembly reflected through the inclined planes can be observed.
Further, when the slope of the body of the level is one, the slope of the body of the level is closer to the longitudinal midpoint of the body of the reflective bubble level than the bubble assembly of the level.
Further, when the slope of the body of the level is one, the bubble component of the level is closer to the longitudinal midpoint of the body of the reflective bubble level than the slope of the body of the level.
Furthermore, the reflection bubble level bar further comprises a first bubble component, the first bubble component is arranged in the middle of the bar body of the reflection bubble level bar, the longitudinal axis of the first bubble component is parallel to the first surface, and the first bubble component is used for measuring the levelness of the measured surface.
Further, the scale body of the reflection bubble level scale also comprises a first end and a second end.
Furthermore, the level bar is arranged at the first end or the second end of the bar body of the reflection bubble level bar.
Furthermore, the first end and the second end of the scale body of the reflection bubble level scale are respectively provided with an end cover, the first surface of the scale body of the reflection bubble level scale is a reference surface, and the reference surface has very accurate flatness and smoothness; in order to protect the reference surface, end caps are respectively installed at the first end and the second end of the scale body of the reflection bubble level scale, and the end caps are usually made of plastics.
Furthermore, the reflection bubble level bar further comprises an illuminating device, the illuminating device is arranged between the first surface and the level bar, and the brightness of the bubble assembly of the level bar is improved through the illuminating device, so that the brightness of the reflection image is improved.
Further, the lighting device is an LED lamp.
Compared with the prior art, the level and the reflection bubble level provided by the invention have the following beneficial effects:
(1) the ruler body of the level ruler for measuring the verticality is an integrally formed transparent body, and is formed when the inclined plane of the reflection bubble assembly is integrally formed and processed without additional assembly and calibration, so that the production is simple, and the production cost is low;
(2) the image reflected by the inclined plane of the ruler body has weaker brightness compared with the reflector, and the brightness of the reflected image is improved by coating a film on the inclined plane and/or additionally arranging an illuminating device;
the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings so that the objects, the features and the effects of the present invention can be fully understood.
Drawings
FIG. 1 is a perspective view of a level having two inclined surfaces in one embodiment of the present invention;
FIG. 2 is a side view of the level shown in FIG. 1;
FIG. 3 is a perspective view of a level having a bevel in another embodiment of the present invention;
FIG. 4 is a side view of a level with a blister component as a separate component in yet another embodiment of the invention;
FIG. 5 is a perspective view of a still further embodiment of the present invention incorporating a level reflective bubble level having two inclined surfaces;
FIG. 6 is a partial side view of the reflective bubble level shown in FIG. 5;
FIG. 7 is a partial side view of a reflective bubble level mounted with a level having a bevel in accordance with yet another embodiment of the present invention;
FIG. 8 is a partial side view of a reflective bubble level with a level having a bevel mounted thereto in accordance with yet another embodiment of the present invention;
FIG. 9 is a perspective view of a reflective bubble level with a window feature in accordance with yet another embodiment of the present invention;
FIG. 10 is a partial side view of a reflective bubble level with a lighting device in accordance with yet another embodiment of the present invention.
Detailed Description
As shown in fig. 1 and 2, a level in one embodiment of the present invention includes:
the ruler body 1 is a non-opaque body, and is provided with a reference surface 11 for measuring the verticality of a measured surface, an inclined surface 12 intersected with the reference surface 11 and a first observation surface 13;
the bubble component 2 is arranged in the ruler body 1, the longitudinal axis of the bubble component 2 is perpendicular to the reference surface 11, the reference surface 11 is arranged between the first end 21 of the bubble component 2 and a measured surface, and the first observation surface 13 is opposite to the reference surface 11 and is arranged between the second end 22 of the bubble component 2 and a user;
the inclined surface 12 forms an obtuse angle with the reference surface 11 at the side where the blister component 2 is arranged, and an image of the blister component 2 is formed by reflection of the inclined surface 12;
the user can view the image of the blister assembly 2 reflected by the inclined surface 12 from the first viewing surface 13.
When the level bar in the embodiment is adopted to measure the verticality, the bubble component 2 can be observed from the side surface of the level bar, namely the bubble component 2 can be directly observed from the second observation surface 14, and the image of the bubble component 2 reflected by the inclined surface 12 can be observed from the first observation surface 13, so that the verticality measurement is more convenient.
The image of the blister pack 2 includes blisters floating in the blister pack and graduation marks 23 on either side of the longitudinal midpoint of the blister pack 2.
The obtuse angle formed by the bevel 12 and the reference surface 11 at the side where the blister component 2 is arranged is 120-150 deg., in this embodiment 135 deg..
The ruler body 1 is manufactured by integral forming, the inclined plane 12 for reflecting the blister component 2 is formed by integral forming and processing, and extra assembly and calibration are not needed, so that the ruler is simple to manufacture and low in manufacturing cost.
The ruler body 1 is a transparent body, so that light rays can be conveniently transmitted in the ruler body 1 to form a clear image of the bubble component 2.
The ruler body also comprises a second observation surface 14, the second observation surface 14 is a side surface of the ruler body 1, and a user can directly observe the blister component 2 from the second observation surface 14.
In this embodiment, the number of the inclined planes 12 is two, and the images of the blister pack 2 reflected by the inclined planes 12 can be observed from both sides of the blister pack 2, thereby increasing the range in which the images of the blister pack 2 reflected by the inclined planes 12 can be observed.
The two inclined planes 12 are symmetrically arranged relative to the bubble component, the imaging of the two inclined planes 12 can be observed from the position of the second end 22 of the bubble component 2 at the same time, and according to whether the two are consistent, whether the level is machined accurately can be checked.
In yet another embodiment of the present invention, as shown in fig. 3, the number of the inclined surfaces 12 is one.
In yet another embodiment of the present invention, as shown in FIG. 4, the blister component 2 is a separate component that fits into the hole 15 of the ruler body 1.
In another embodiment of the invention, the outer wall of the bubble component 2 is the hole wall of the hole 15 of the ruler body 1, the hole wall of the hole 15 formed by integral molding is used as the outer wall of the bubble component 2, and the bubble component 2 is formed after liquid and gas are added and sealed.
The image reflected by the inclined plane of the ruler body has weaker brightness compared with the reflection mirror, so the inclined plane 12 is coated with a film to improve the brightness of the reflected image.
As shown in fig. 5 and 6, a reflection bubble level 3 in another embodiment of the present invention includes:
the long ruler body comprises a first surface 31 and a second surface 32, a cavity is arranged between the first surface 31 and the second surface 32, the cavity is provided with an opening on the second surface 32, and the first surface 31 is a reference surface for measuring a measured surface;
the level bar sets up in the cavity, and the level bar includes:
the ruler comprises a ruler body 1, wherein the ruler body 1 is a non-light-tight body and is provided with an inclined surface 12 and a first observation surface 13;
the bubble component 2 is arranged in the ruler body 1, the longitudinal axis of the bubble component 2 is vertical to the first surface 31, the first surface 31 is arranged between the first end 21 of the bubble component 2 and the surface to be measured, and the first observation surface 13 is opposite to the first surface 31 and is arranged between the second end 22 of the bubble component 2 and a user;
the inclined plane 12 forms an obtuse angle with the first surface 31 at the side where the blister component 2 is arranged, and an image of the blister component 2 is formed by reflection of the inclined plane 12;
the user can view the image of the blister component 2 reflected by the inclined surface 12 from the first viewing surface 13;
a user can view the first viewing surface 13 of the level through the opening in the second surface 32 to view the image of the blister pack 2 reflected by the inclined surface 12.
The ruler body 1 of the level ruler is manufactured in an integrated mode, the inclined plane 12 used for reflecting the bubble component 2 is formed in an integrated mode during machining, extra assembly and calibration are not needed, and therefore the level ruler is simple to manufacture and low in manufacturing cost.
The ruler body 1 of the level ruler is transparent, so that light rays can be conveniently transmitted in the ruler body 1 to form a clear image of the bubble component 2.
The ruler body 1 of the level ruler also comprises a second observation surface 14, and the second observation surface 14 is the side surface of the ruler body 1; the user can view the blister pack 2 directly from the second viewing surface 14.
The reflection bubble level further comprises a first bubble component 34, the first bubble component 34 is arranged in the middle of the scale body of the reflection bubble level 3, the longitudinal axis of the first bubble component 34 is parallel to the first surface 31, and the first bubble component 34 is used for measuring the levelness of the measured surface.
The inclined surfaces 12 of the ruler body of the level ruler are one or two.
In this embodiment, the number of the inclined planes 12 of the level is two, and the images of the bubble component 2 reflected by the inclined planes 12 can be observed from both sides of the bubble component 2, so that the range of observing the images of the bubble component 2 reflected by the inclined planes 12 is enlarged; the imaging of both bevels 12 can be observed simultaneously from the position of the second end 22 of the blister assembly 2, and it can be checked whether the level itself is machined precisely, depending on whether they are identical or not.
In a further embodiment of the reflective blister level of the present invention, as shown in figure 7, where the slope 12 of the body of the level is one, the slope 12 of the body of the level is closer to the longitudinal midpoint of the body of the reflective blister level 3 than the blister component 2 of the level.
In a further embodiment of the reflective bubble level of the present invention, as shown in figure 8, the bubble element 2 of the level is closer to the longitudinal midpoint of the body of the reflective bubble level 3 than the slope 12 of the body of the level when the slope 12 of the body of the level is one.
The body of the reflective bubble level further includes a first end 351 and a second end 352.
The level is arranged at the first end 351 or the second end 352 of the scale body of the reflection bubble level 3.
The first end 351 and the second end 351 of the scale body of the reflection bubble level scale 3 are respectively provided with an end cover, the first surface 31 of the scale body of the reflection bubble level scale 3 is a reference surface, and the reference surface has very accurate flatness and smoothness; to protect the reference surface, end caps are attached to the first end 351 and the second end 352 of the body of the reflective bubble level 3, respectively, and are typically made of plastic.
As shown in fig. 9, in the reflective bubble level 3 according to another embodiment of the present invention, a window 321 is provided at an opening on the second surface 32, and an image of the bubble module 2 reflected by the inclined surface is observed through the window 321.
In yet another embodiment of the present invention, the reflective bubble level 3, the body further comprises a third surface 36 and a fourth surface 37 disposed opposite to each other, the cavity has an opening on the third surface 36 and/or the fourth surface 37, and a user can view the second viewing surface 14 of the level through the opening on the third surface 36 and/or the fourth surface 37.
A window 361 is provided at an opening in the third surface 36 and/or a window is provided at an opening in the fourth surface 37 through which the blister assembly 2 is directly viewed.
As shown in fig. 10, the reflective bubble level 3 further includes an illumination unit 381, the illumination unit 381 is disposed between the first surface 31 and the level and is connected to a power source through an electric wire 382, and the brightness of the bubble unit 2 of the level is increased by the illumination unit 381, thereby increasing the brightness of the reflected image.
The illumination unit 381 is an LED lamp.
According to the level ruler for measuring the verticality and the reflective bubble level ruler, provided by the invention, light rays can be reflected and refracted when entering a light-sparse substance from a light-dense substance (or entering the light-dense substance from the light-sparse substance) through an interface, and the ruler body of the level ruler for measuring the verticality is an integrally formed transparent body, and is used for forming an inclined plane of a reflective bubble component during integral forming processing without additional assembly and calibration, so that the leveling ruler is simple to manufacture and low in manufacturing cost; the image reflected by the inclined plane of the ruler body has weaker brightness compared with the reflector, and the brightness of the reflected image is improved by coating a film on the inclined plane and additionally arranging the lighting device.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (24)
1. A level, comprising:
the ruler body is a non-light-tight body and is provided with a reference surface for measuring the verticality of a measured surface, an inclined plane intersecting with the reference surface and a first observation surface;
a bubble assembly disposed within the ruler body, a longitudinal axis of the bubble assembly being perpendicular to the reference surface, the reference surface being disposed between a first end of the bubble assembly and the surface being measured, the first viewing surface being opposite the reference surface and being disposed between a second end of the bubble assembly and the user;
the inclined plane and the reference surface form an obtuse angle at one side where the bubble assembly is arranged, and an image of the bubble assembly is formed through reflection of the inclined plane;
the user can view the image of the blister component reflected by the inclined surface from a first viewing surface;
the ruler body is a transparent body;
the ruler body further comprises a second observation surface, the second observation surface is the side face of the ruler body, and the user can directly observe the blister component from the second observation surface.
2. The level according to claim 1, wherein said body is formed as a single piece.
3. The level of claim 1, wherein said bevel is one.
4. The level of claim 1, wherein there are two of said inclined surfaces.
5. The level according to claim 4 wherein said two inclined surfaces are symmetrically disposed about the blister assembly.
6. The level according to claim 1 wherein said bubble assembly is a separate component mounted in a hole in said scale body.
7. The level according to claim 1 wherein the outer wall of said blister component is a wall of the bore of said blade body.
8. The level according to claim 1, wherein said inclined surface is coated with a film.
9. The level of claim 1, wherein the obtuse angle is 120-150 °.
10. The level according to claim 9, wherein said obtuse angle is 135 °.
11. A reflective bubble level, comprising:
the long ruler body comprises a first surface and a second surface, a cavity is arranged between the first surface and the second surface, the cavity is provided with an opening on the second surface, and the first surface is a reference surface for measuring a measured surface;
a level disposed in the cavity, the level comprising:
the ruler body is a non-light-tight body and is provided with an inclined plane and a first observation surface;
the bubble component is arranged in the ruler body, the longitudinal axis of the bubble component is perpendicular to the first surface, the first surface is arranged between the first end of the bubble component and the measured surface, and the first observation surface is opposite to the first surface and is arranged between the second end of the bubble component and a user;
the inclined plane and the first surface form an obtuse angle at one side where the bubble component is arranged, and an image of the bubble component is formed through reflection of the inclined plane;
the user can view the image of the blister component reflected by the inclined surface from a first viewing surface;
the user can view the first viewing surface of the level through the opening in the second surface;
the ruler body of the level ruler is a transparent body;
the ruler body of the level ruler also comprises a second observation surface, and the second observation surface is a side surface of the ruler body; the user is able to view the blister assembly directly from the second viewing surface.
12. The reflective blister level of claim 11, wherein said body of said level is integrally formed.
13. The reflective bubble level of claim 11, wherein a window member is disposed at the opening of the second surface.
14. The reflective blister level of claim 11, wherein said body of said reflective blister level further comprises third and fourth oppositely disposed surfaces, said cavity having an opening in said third and/or fourth surfaces through which a user can view said second viewing surface of said level.
15. The reflective bubble level of claim 14, wherein a window is provided at the opening on the third surface and/or the fourth surface.
16. The reflective blister level of claim 11, wherein said slope of said body of said level is one or two.
17. The reflective blister level of claim 16, wherein when the slope of the blade body of the level is one, the slope of the blade body of the level is closer to the longitudinal midpoint of the blade body of the reflective blister level than the blister component of the level.
18. The reflective blister level of claim 16, wherein when the slope of the blade of the level is one, the blister component of the level is closer to the longitudinal midpoint of the blade of the reflective blister level than the slope of the blade of the level.
19. The reflective bubble level of claim 11, further comprising a first bubble assembly disposed in a central portion of the elongated body of the reflective bubble level, a longitudinal axis of the first bubble assembly being parallel to the first surface, the first bubble assembly being configured to measure a levelness of a surface being measured.
20. The reflective blister level of claim 11, wherein the elongated blade body of the reflective blister level further comprises a first end and a second end.
21. The reflective blister level of claim 20, wherein the level is disposed at the first end or the second end of the elongated blade body of the reflective blister level.
22. The reflective blister level of claim 20, wherein said first end and said second end of said elongated blade body of said reflective blister level are each provided with an end cap.
23. The reflective bubble level of claim 11, further comprising an illumination device disposed between the first surface and the level.
24. The reflective bubble level of claim 23, wherein the illumination device is an LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112189.3A CN104949656B (en) | 2014-03-24 | 2014-03-24 | Reflecting bubble level bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112189.3A CN104949656B (en) | 2014-03-24 | 2014-03-24 | Reflecting bubble level bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104949656A CN104949656A (en) | 2015-09-30 |
| CN104949656B true CN104949656B (en) | 2020-03-20 |
Family
ID=54164505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410112189.3A Active CN104949656B (en) | 2014-03-24 | 2014-03-24 | Reflecting bubble level bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104949656B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008267B (en) * | 2021-01-05 | 2023-09-15 | 上海大学 | Level bar limit inclination qualification detection system and method based on image processing technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2094034U (en) * | 1991-03-14 | 1992-01-22 | 上海新华尺厂 | Levelling instrument ruler |
| CN1242075A (en) * | 1996-12-12 | 2000-01-19 | 杜安·朱格尔 | Spirit level |
| CN201382782Y (en) * | 2009-03-03 | 2010-01-13 | 李广峰 | Novel leveling rod |
| CN204240990U (en) * | 2014-03-24 | 2015-04-01 | 杭州巨星工具有限公司 | Reflection bubble leveler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1163982A (en) * | 1997-08-26 | 1999-03-05 | Kuniomi Kajita | Air-bubble type levelness and perpendicularity measuring instrument with mirror |
-
2014
- 2014-03-24 CN CN201410112189.3A patent/CN104949656B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2094034U (en) * | 1991-03-14 | 1992-01-22 | 上海新华尺厂 | Levelling instrument ruler |
| CN1242075A (en) * | 1996-12-12 | 2000-01-19 | 杜安·朱格尔 | Spirit level |
| CN201382782Y (en) * | 2009-03-03 | 2010-01-13 | 李广峰 | Novel leveling rod |
| CN204240990U (en) * | 2014-03-24 | 2015-04-01 | 杭州巨星工具有限公司 | Reflection bubble leveler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104949656A (en) | 2015-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10393520B2 (en) | Bubble level using reflection | |
| JP5089379B2 (en) | Bubble tube with dark band used in spirit level | |
| US9448159B2 (en) | Epoxy molded gas cell for optical measurement and method of forming | |
| TW201408998A (en) | Simple type dual-axis opto-electronic level | |
| WO2010010311A3 (en) | Optical device and method for measuring the rotation of an object | |
| CN104949656B (en) | Reflecting bubble level bar | |
| US10203190B2 (en) | Measuring device | |
| CN216669010U (en) | Infrared thermometer | |
| CN216523498U (en) | Angle gauge | |
| CN204240990U (en) | Reflection bubble leveler | |
| CN204421898U (en) | Simple inclined instrument | |
| ES2638862T3 (en) | Method and system to determine the properties of a revolution surface | |
| CN201764963U (en) | Horizontal ruler for measuring arbitrary angle | |
| CN201233246Y (en) | Collimator optical wedge micrometer | |
| CN107957407B (en) | Probe type digital display refractometer | |
| US7001034B1 (en) | Pointer for meter | |
| CN217384240U (en) | Photoelectric liquid level sensor | |
| CN210051284U (en) | TO56 laser pipe cap concentricity detects anchor clamps | |
| CN206353024U (en) | A kind of rechargeable adjustable laser capturing device | |
| CN106839943A (en) | A kind of rounded corner ruler with light-sensitive element | |
| CN111397745A (en) | Infrared sensor structure and temperature measurement rifle | |
| JP4975508B2 (en) | Tilt angle detector | |
| CN114018117A (en) | Angle gauge | |
| CN106767541A (en) | A kind of rounded corner ruler with sensitive component | |
| TWM457164U (en) | Measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |