CN107478208A - level - Google Patents
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- Publication number
- CN107478208A CN107478208A CN201610821991.9A CN201610821991A CN107478208A CN 107478208 A CN107478208 A CN 107478208A CN 201610821991 A CN201610821991 A CN 201610821991A CN 107478208 A CN107478208 A CN 107478208A
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- CN
- China
- Prior art keywords
- pendulous device
- optical element
- gravity
- fulcrum
- level
- 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.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The invention discloses a kind of level, including：Housing, light source, for producing light；Optical element, line light spot can be projected on destination object；Pendulous device, at least with respect to one fulcrum are swung in the preset range of enclosure interior；Suspension arrangement, for suspended swinging device so that the straight line hot spot of optical element projection is parallel to horizontal plane；Optical element is when pendulous device is static positioned at the lower section of pendulous device center of gravity；The fulcrum of pendulous device is when pendulous device is static positioned at the top of pendulous device center of gravity；The span of the distance of horizontal plane where straight line hot spot to housing lowermost end is 5 ~ 30mm.The present invention is advantageous in that relatively low horizontal datum can be emitted.
Description
Technical field
The present invention relates to level technical field, and in particular to laser level.
Background technology
In the engineering fields such as building, finishing, to perform the task of the measurement of the level and/or marking, it is often necessary to set
The datum line horizontally or vertically unrelated with floor, ceiling or wall is as reference.
Level is a kind of instrument for being used to project visible laser.Traditional level include it is rack-mount can be free
The pendulum mass of swing, it is horizontal and vertical so as to be formed in target surface by the laser hole drilling illuminator and lens devices on pendulum mass
Straight datum line.
The horizontal datum of traditional level projection is higher, can not be applicable such as patch floor tile, do baseboard demand compared with
The operating mode of low-level datum line.
The content of the invention
The present invention adopts the following technical scheme that：
A kind of level, including：Housing, light source, for producing light；Optical element, line light can be projected on destination object
Spot；Pendulous device, at least with respect to one fulcrum are swung in the preset range of enclosure interior；Suspension arrangement, for suspended swinging
Device so that optical element projection straight line hot spot parallel to horizontal plane；Optical element is when pendulous device is static positioned at swing dress
Put the lower section of center of gravity；The fulcrum of pendulous device is when pendulous device is static positioned at the top of pendulous device center of gravity；Straight line hot spot is extremely
The span of the distance of horizontal plane where housing lowermost end is 5 ~ 30mm.
Further, optical element is arranged on the end to freely swing of pendulous device.
Further, optical element is provided with a central axis, centerline axis parallel in or coincide with the center of gravity of pendulous device
With the line of fulcrum.
Further, swinging mounting, for installing light source or/and optical element；Pendulum, it is connected to swinging mounting and is swinging
Positioned at the top of optical element when device is static.
Further, level also includes：Damping unit, for damping pendulum；Damping unit is arranged at the upper of optical element
Side.
Further, suspension arrangement includes：First suspender, the rotation connection around first axle is formed with pendulous device；The
Two suspenders, make the rotation connection of housing and the first suspender composition around second axis.
Further, the first suspender includes：Ring portion, passed through by pendulous device；Axle portion, be rotatablely connected to pendulous device or
Second suspender；Axle portion is arranged at the outside of ring portion.
Further, pendulous device is at least partially across the second suspender.
Another level, including：Housing, there is a placement end face；Light source, for producing light；Optical element,
Line light spot can be projected on destination object；Pendulous device, at least with respect to one fulcrum are put in the preset range of enclosure interior
It is dynamic；Suspension arrangement, for suspended swinging device so that the straight line hot spot of optical element projection is parallel to horizontal plane；Optical element is worked as
Positioned at the lower section of pendulous device center of gravity when pendulous device is static；The fulcrum of pendulous device is when pendulous device is static positioned at swing dress
Put the top of center of gravity；
Straight line hot spot to the span for the distance for placing end face is 5 ~ 30mm.
Another level, including：Housing, light source, for producing light；Optical element, for being oriented to produced by light source
Light；Pendulous device, at least with respect to one fulcrum are swung in the preset range of enclosure interior；Suspension arrangement, for hanging
Pendulous device；Optical element is when pendulous device is static positioned at the lower section of pendulous device center of gravity；The fulcrum of pendulous device is being swung
Positioned at the top of pendulous device center of gravity when device is static.
The present invention is advantageous in that relatively low horizontal datum can be emitted.
Brief description of the drawings
Fig. 1 is as a kind of structural representation of the level of embodiment；
Fig. 2 is as a kind of internal structure schematic diagram of the level of embodiment；
Fig. 3 is the explosive view of the level shown in Fig. 2；
Fig. 4 is the structure chart of the swinging body device of the level shown in Fig. 2；
Fig. 5 is the top view of the first suspender of the level shown in Fig. 2；
Fig. 6 is the schematic diagram that the level shown in Fig. 2 is swung around second axis N；
Fig. 7 is that the level shown in Fig. 2 is placed on the schematic diagram that horizontal surface projects horizontal linear hot spot；
Fig. 8 is that the level shown in Fig. 2 is placed on the schematic diagram that non-horizontal surface projects horizontal linear hot spot.
Embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
With reference to shown in figure 1 and Fig. 3, level 100 includes：Housing 11, pendulous device 12, suspension arrangement 13, light source（Do not show
Go out）, optical element 14, circuit board 15.
Housing 11 has a placement end face 111, is contacted with the surface for placing level 100.Housing 11 is additionally provided with use
In the exit window 112,113 for making light project from enclosure interior housing shell.Specifically, by exit window 112 in target
Object upslide jetting flat line hot spot is referred to facilitate tiling, drilling etc. to operate with forming horizontal datum for user.When
So, can be according to the different multiple exit windows of setting of direction sum purpose of beam projecting.
Pendulous device 12 includes：Swinging mounting 121 and pendulum 122.At least with respect to one fulcrum of pendulous device 12 is in housing
Swung in preset range inside 11.Specifically, the swing angle of the preset range is no more than 5 °.
Swinging mounting 121 is used to install laser beam emitting device 19.Specifically, the built-in light source of laser beam emitting device 19 or/
With optical element 14, the end to freely swing of swinging mounting 121 is arranged on.More specifically, to save space, in swinging mounting
121 end to freely swing forms the receiving portion that can accommodate laser beam emitting device 19, and laser beam emitting device 19 at least partly holds
It is contained in swinging mounting 121, reduces laser beam emitting device 19 to the distance for placing end face 111 so that optical element 14 can go out
Penetrate relatively low horizontal linear hot spot.
Pendulum 122 is connected to swinging mounting 121, and when pendulous device 12 is static positioned at the top of optical element 14.
In order to further shorten the end of swinging mounting 121 to the distance for placing end face 111, as shown in figure 4, can be by pendulum
122 are arranged on the other end of swinging mounting 121.When pendulum 122 is static, pendulum is located at the top of optical element 14.Enter
One step, pendulum is located at the top of suspension arrangement 13.
Suspension arrangement 13 is used for suspended swinging device 12 so that the straight line hot spot of the projection of optical element 14 is parallel to horizontal plane.
With reference to shown in figure 3 and Fig. 5, suspension arrangement 13 includes the first suspender 131 and the second suspender 132.First suspension
Part 131 forms the rotation connection around first axle M with pendulous device 12.Second suspender 132 makes the suspender of housing 11 and first
131 form the rotation connection around second axis N.
First suspender 131 includes ring portion 133 and axle portion 134.Ring portion 133 is passed through by pendulous device 12, and axle portion 134 is set
In the outside of ring portion 133.
As shown in figure 5, the first suspender 131 has multiple axle portion 134a, 134b, 134c, 134d, wherein, axle portion 134a
The both sides external of ring portion 133, axle portion 134c and axle portion 134d edges are separately positioned on along direction where first axle M with axle portion 134b
Direction where second axis N is arranged on the both sides external of ring portion 133.
Axle portion 134a and axle portion 134b is rotatablely connected to swinging mounting 121 so that pendulous device 12 can be around first axle M
Swung in the preset range inside housing 11.More specifically, axle portion 134a and axle portion 135b pass through bearing and swinging mounting 131
Rotation connection.
Axle portion 134c and axle portion 134d is rotatablely connected to the second suspender 132 by bearing 135c and bearing 135d respectively,
So that the suspender 131 of housing 11 and first forms the rotation connection around second axis N.
Second suspender 132 is fixedly connected relative to housing 11.Specifically, the second suspender 132 is formed with one and ring portion
133 through holes 137 being correspondingly arranged, are passed through by pendulous device 12.
It is swing pivot to define the point O that first axle M intersects with second axis N.Pendulous device 12 can opposing oscillatory fulcrum
O is swung inside housing 11 in two mutually perpendicular directions.
The center of gravity for defining pendulous device 12 is G.Obviously, when pendulous device 12 is static.The center of gravity G of pendulous device 12 is being put
Activity supporting point O lower section.
To ensure the straight line hot spot that projects on the target surface of optical element 14 parallel to horizontal plane.As shown in figure 4, optics
The central axis L of element 14 is parallel or coincides with center of gravity G and swing pivot O line.More specifically, optical element 14 is
One conic mirror.
In order to adjust the position of centre of gravity of pendulous device so that when pendulous device is in nature inactive state, optical element
14 also can be set counterweight in target surface projection and the horizontal linear hot spot of plane-parallel, pendulum mass support 12.
As the scheme of expansion, one receiving portion 124 is set at the middle part of swinging mounting 121, optical element is housed for accommodating
16 second laser emitter 17.Straight line hot spot parallel to perpendicular is projected in target surface by optical element 16,
Vertical reference line is formed to facilitate other operations.Such as lay bricks, hang picture.Wherein, it can be 360 degree that second laser emitter 17, which is,
The laser diode of emergent ray, specifically, the light of laser diode outgoing projects through exit window 113.
More specifically, optical element 16 is a cylindrical lens.The optical element can also be other kinds of optics
Device, such as there is speculum, the binary optical device of curved surface.
Level 100 also includes circuit board 15, is arranged between swinging mounting 121 and pendulum 122, is at least used for electricity
The electric energy in source is provided to optical element 14.Specifically, circuit board 15 is fixed on the second suspender 132.
Level also includes damping unit 18, for its oscillating motion that decays when pendulum freely swings, shortens pendulum 122
Reach the time of nature inactive state.Specifically, damping unit is magnetic damping device, housing 11 is fixed on relative to pendulum 122
On.When pendulum freely swings, the amplitude of fluctuation for pendulum of being decayed by magnetic damping device.
Level need to keep the stabilization on vertical direction preferably to be formed when objective plane projects horizontal linear hot spot
Horizontal line of collimation refers to for operator.As shown in fig. 6, representatively illustrate swing angle β of the pendulous device around second axis N.
Pendulous device is no more than 5 ° around second axis N swing angle β span, and pendulous device can make optics within this range
The straight line hot spot that element 14 projects is parallel to horizontal plane and keeps straight line hot spot in the vertical direction not to be moved.
Equally, pendulous device is no more than 5 ° around the span of first axle M swing angle, and pendulous device is in this scope
It is interior to make the straight line hot spot that optical element 14 projects parallel to horizontal plane and keep straight line hot spot in the vertical direction not occur
It is mobile.
As shown in fig. 7, when level 11 is placed on horizontal surface, optical element 14 projects horizontal linear light to objective plane
Spot, now, the distance h of the horizontal plane where horizontal linear hot spot to the lowermost end of housing 11 span is：5 ~ 10mm, 10 ~
16mm, 16 ~ 21mm, 21mm ~ 26mm, 26 ~ 30mm.
As shown in figure 8, when level 11 is placed on non-horizontal surface, housing lowermost end for housing placement end face 111 with
Place the point that the plane of level is contacted.The distance h's of horizontal plane where horizontal linear hot spot to the lowermost end of housing 11 takes
Value scope is：5 ~ 10mm, 10 ~ 16mm, 16 ~ 21mm, 21mm ~ 26mm, 26 ~ 30mm.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical scheme, all fall within protection scope of the present invention.
Claims (10)
1. a kind of level, including：
Housing,
Light source, for producing light；
Optical element, line light spot can be projected on destination object；
Pendulous device, at least with respect to one fulcrum are swung in the preset range of enclosure interior；
Suspension arrangement, for suspended swinging device so that the straight line hot spot of optical element projection is parallel to horizontal plane；
Optical element is when pendulous device is static positioned at the lower section of pendulous device center of gravity；The fulcrum of pendulous device is quiet in pendulous device
Positioned at the top of pendulous device center of gravity when only；
The span of the distance of horizontal plane where straight line hot spot to housing lowermost end is 5 ~ 30mm.
2. level according to claim 1, it is characterised in that
Optical element is arranged on the end to freely swing of pendulous device.
3. level according to claim 1, it is characterised in that
Optical element is provided with a central axis, centerline axis parallel in or coincide with the center of gravity of pendulous device and the company of fulcrum
Line.
4. level according to claim 1, it is characterised in that
Swinging mounting, for installing light source or/and optical element；
Pendulum, it is connected to swinging mounting and when pendulous device is static positioned at the top of optical element.
5. level according to claim 4, it is characterised in that
Level also includes：
Damping unit, for damping pendulum；
Damping unit is arranged at the top of optical element.
6. level according to claim 1, it is characterised in that
Suspension arrangement includes：
First suspender, the rotation connection around first axle is formed with pendulous device；
Second suspender, make the rotation connection of housing and the first suspender composition around second axis.
7. level according to claim 6, it is characterised in that
First suspender includes：
Ring portion, passed through by pendulous device；
Axle portion, it is rotatablely connected to pendulous device or the second suspender；
Axle portion is arranged at the outside of ring portion.
8. level according to claim 7, it is characterised in that
Pendulous device is at least partially across the second suspender.
9. a kind of level, including：
Housing, there is a placement end face；
Light source, for producing light；
Optical element, line light spot can be projected on destination object；
Pendulous device, at least with respect to one fulcrum are swung in the preset range of enclosure interior；
Suspension arrangement, for suspended swinging device so that the straight line hot spot of optical element projection is parallel to horizontal plane；
Optical element is when pendulous device is static positioned at the lower section of pendulous device center of gravity；The fulcrum of pendulous device is quiet in pendulous device
Positioned at the top of pendulous device center of gravity when only；
Straight line hot spot to the span for the distance for placing end face is 5 ~ 30mm.
10. a kind of level, including：
Housing,
Light source, for producing light；
Optical element, for being oriented to light caused by light source；
Pendulous device, at least with respect to one fulcrum are swung in the preset range of enclosure interior；
Suspension arrangement, for suspended swinging device；
Optical element is when pendulous device is static positioned at the lower section of pendulous device center of gravity；The fulcrum of pendulous device is quiet in pendulous device
Positioned at the top of pendulous device center of gravity when only.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398073X | 2016-06-07 | ||
| CN201610398073 | 2016-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107478208A true CN107478208A (en) | 2017-12-15 |
Family
ID=60593860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610821991.9A Pending CN107478208A (en) | 2016-06-07 | 2016-09-13 | level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107478208A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801198A (en) * | 2018-04-18 | 2018-11-13 | 威创集团股份有限公司 | A kind of device and detection method of display big-wall flatness detection |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006119034A (en) * | 2004-10-22 | 2006-05-11 | Sanyo Electric Co Ltd | Laser line marker |
| JP2006349350A (en) * | 2005-06-13 | 2006-12-28 | Audio Technica Corp | Laser marker and inclination adjusting attachment for its tripod |
| CN2876709Y (en) * | 2005-11-08 | 2007-03-07 | 上煇精密仪器有限公司 | Multifunction ink line apparatus |
| CN101078623A (en) * | 2006-05-26 | 2007-11-28 | 南京德朔实业有限公司 | Self-levelling straight line laser and its control method |
| CN201110762Y (en) * | 2007-10-19 | 2008-09-03 | 常州华达科捷光电仪器有限公司 | Laser wire projecting instrument |
| CN201122100Y (en) * | 2007-11-23 | 2008-09-24 | 宁波舜宇仪器有限公司 | Self-locking on-off mechanism of laser leveling instrument |
| CN204854737U (en) * | 2015-06-23 | 2015-12-09 | 吴江市信达塑胶机械有限公司 | 3D gravity pendulum -type laser demarcation device |
-
2016
- 2016-09-13 CN CN201610821991.9A patent/CN107478208A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006119034A (en) * | 2004-10-22 | 2006-05-11 | Sanyo Electric Co Ltd | Laser line marker |
| JP2006349350A (en) * | 2005-06-13 | 2006-12-28 | Audio Technica Corp | Laser marker and inclination adjusting attachment for its tripod |
| CN2876709Y (en) * | 2005-11-08 | 2007-03-07 | 上煇精密仪器有限公司 | Multifunction ink line apparatus |
| CN101078623A (en) * | 2006-05-26 | 2007-11-28 | 南京德朔实业有限公司 | Self-levelling straight line laser and its control method |
| CN201110762Y (en) * | 2007-10-19 | 2008-09-03 | 常州华达科捷光电仪器有限公司 | Laser wire projecting instrument |
| CN201122100Y (en) * | 2007-11-23 | 2008-09-24 | 宁波舜宇仪器有限公司 | Self-locking on-off mechanism of laser leveling instrument |
| CN204854737U (en) * | 2015-06-23 | 2015-12-09 | 吴江市信达塑胶机械有限公司 | 3D gravity pendulum -type laser demarcation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801198A (en) * | 2018-04-18 | 2018-11-13 | 威创集团股份有限公司 | A kind of device and detection method of display big-wall flatness detection |
| CN108801198B (en) * | 2018-04-18 | 2020-09-04 | 威创集团股份有限公司 | Device for displaying flatness detection of large wall and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |
|
| RJ01 | Rejection of invention patent application after publication |