CN201242436Y - Laser line-casting instrument - Google Patents
Laser line-casting instrument Download PDFInfo
- Publication number
- CN201242436Y CN201242436Y CNU2008200579635U CN200820057963U CN201242436Y CN 201242436 Y CN201242436 Y CN 201242436Y CN U2008200579635 U CNU2008200579635 U CN U2008200579635U CN 200820057963 U CN200820057963 U CN 200820057963U CN 201242436 Y CN201242436 Y CN 201242436Y
- Authority
- CN
- China
- Prior art keywords
- back shaft
- hole
- laser
- support
- connecting line
- 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.)
- Expired - Lifetime
Links
- 238000005266 casting Methods 0.000 title 1
- 206010062767 Hypophysitis Diseases 0.000 claims description 30
- 230000005484 gravity Effects 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- G01C9/02—Details
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Manipulator (AREA)
Abstract
The utility model relates to a laser line-projection device, which can solve the problem that the side tension of a connecting line to a hanging body can affect the line-projection precision. The device comprises a casing, a laser system and a hanging system, wherein the laser system comprises a control circuit board and a laser, and the control circuit board and the laser are connected through a connecting line, the hanging system comprises a first bracket and a hanging body, wherein a first support shaft is connected in the first bracket in pin joint, the hanging body is provided with a first through-hole, and the first support shaft is penetrated through the first through-hole, a first holding hole is arranged on the first support shaft, and the connecting line is electrically connected with the laser and the control circuit board through the first holding hole. The connecting line passing through the first holding hole can not generate the side tension to the hanging body.
Description
Technical field
The relevant a kind of laser level of the utility model, particularly a kind of centralized positioning is accurate, is electrically connected reliable laser level.
Background technology
Laser level can throw the visual laser cross horizontal line (or laser spots) and the exact instrument of perpendicular line (or laser spots) at metope, ground and zenith as a kind of engineering instrument, is widely used in the interior decoration industry.Laser level generally has a gravity pendulum hypophysis, under the action of gravity of this gravity pendulum hypophysis, makes that be installed in the suprapituitary laser instrument of gravity pendulum sends laser beam and remain in level and plumbness.One end freedom of pendulum hypophysis can be swung, and the other end then relative fixed is articulated in housing by support on housing, guarantee that its relative fixed end is by swinging on both direction in certain scope.
In order to make laser level send available laser effectively, need laser generator and control circuit, laser instrument is arranged on the pendulum hypophysis, and the part that control circuit need be arranged on the housing is fixing with handled easily, because both spatially have certain distance, so its electrical connection promptly needs electric connection line to carry out.And the electric connection line of traditional laser level is the support of walking around laser level, is electrically connected with control circuit board from a side.Electric connection line is generally flexible wire, is free to bend, so swing with pendulum hypophysis when pendulum hypophysis is swung, keeps being electrically connected.
Yet, connecting line is made up of metal-cored after all, any metal-coredly all can have certain elasticity, even common object, also not can without any interference and stop, when hypophysis is swung, the certain interfering edge of hypophysis is given in the capital, even this interfering edge is very little, also can influence the position of hypophysis under free state to a certain extent, cause hypophysis can not reach the most accurate position of perfect condition.In addition and since connecting line with point that laser instrument and control circuit board are connected on, all need to weld because connecting line is walked around support, so solder joint can be involved when hypophysis freely swings, the instability that time one length can cause solder joint to connect.
In order to address the above problem, the general solution of industry is to adopt the thin connecting line of trying one's best, yet, meticulous connecting line is by more powerful electric current the time, and it is overheated to cause, and influences precision, if use low power electric current, the laser wire harness visibility that level produces may not reach requirement.
Therefore, how to overcome the deficiency of present technology, become the problem that industry need solve.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of can pinpoint laser level.
In order to solve technical matters of the present utility model, the utility model provides a kind of laser level, comprise housing, laser system and hanging system, described laser system comprises control circuit board and laser instrument, be connected by connecting line between this control circuit board and the laser instrument, described hanging system comprises first support and hypophysis, be articulated with first back shaft in wherein said first support, has first through hole on the described hypophysis, described first back shaft passes first through hole, offer first accepting hole on first back shaft, described connecting line is electrically connected described laser instrument and control circuit board by this first accepting hole.
The utility model also has following feature, it is right that the described first back shaft two ends are provided with first spring bearing, described hanging system further comprises second support and second back shaft, described first support has receiving space, described second support is contained in the above-mentioned receiving space, and described second support is articulated on described first support by second back shaft, and described second back shaft and the setting in a certain angle of first back shaft, corresponding described first accepting hole is provided with second accepting hole on second back shaft, described connecting line is by described second accepting hole, it is right that the described second back shaft two ends have second spring bearing, described second back shaft and first back shaft are direct setting, offer through hole on described second back shaft, described first back shaft runs through from described through hole, offer second through hole on the described hypophysis, described second back shaft runs through described second through hole, offer cable hole on the described hypophysis, described connecting line connects described laser instrument by described cable hole, and described clutch shaft bearing is provided with the bearing briquetting to reaching the right outside of second bearing.
Pass through said structure, the connecting line of laser level of the present utility model passes from the center of first back shaft and second back shaft, can not produce the tension force of side direction to hypophysis, the hypophysis that can guarantee laser level is in desirable center, guarantee the accurate positioning of laser beam, and the tension force that does not have side direction, pad are not allowed easily broken yet.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the three-dimensional exploded view of a kind of laser level of the utility model, does not show housing among the figure.
Fig. 2 is the three-dimensional assembly diagram of a kind of laser level of the utility model, does not show housing among the figure.
Fig. 3 is the part zoomed-in view that the connecting line of a kind of laser level of the utility model passes first back shaft and second back shaft.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
See also Figure 1 and Figure 2, a kind of laser level of the present utility model comprises housing (figure does not show), laser system and hanging system; Described laser system comprises control circuit board 1 and laser instrument (figure does not show), is connected by connecting line 9 between this control circuit board 1 and the laser instrument.
Please continue to consult shown in Figure 1, hanging of the present utility model system 2 comprises can be fixedly arranged on housing first support 21 of (figure does not show), this first support 21 is a shaped as frame structure, the position forms receiving space 211 therebetween, form two first axis holes of offering relatively 212 on its two side, the inside diameter of first axis hole 212 is less, forms stop part 2121.First back shaft, 22 both sides are provided with clutch shaft bearing to 221, this clutch shaft bearing can correspondence be contained in aforementioned first axis hole 212 221, pack in its outside from first support 21, be contained in first axis hole 212 because the effect of stop part 2121 is stable, at clutch shaft bearing 221 the outside is provided with bearing briquetting 222, bearing briquetting 222 firmly is connected with first back shaft 22, prevents that aforementioned clutch shaft bearing from skidding off 212.The center of first back shaft 22 forms first accepting hole 223.In addition, on the other two side of above-mentioned first support 21, form second axis hole 213.
Please continue to consult shown in Figure 1, hanging of the present utility model system 2 further comprises second support 23, this second support 23 also is a shaped as frame structure, the position forms receiving space 231 therebetween, offer Triaxial hole 232 corresponding to aforementioned first axis hole 212 on its two side, described first back shaft 22 can pass through from above-mentioned Triaxial hole 232.An outer lateral aperture that offers the 4th axis hole 233, the four axis holes 233 on the other two side of second support 23 is bigger, and an inner lateral aperture is less, forms stop part 2331.Second back shaft 24 can pass described the 4th axis hole 233, and be provided with second bearing to 241 at the two ends of second back shaft 24, this second bearing can correspondence be contained in aforementioned the 4th axis hole 233 241, packing in its outside from second support 23, is contained in the 4th axis hole 233 because the effect of stop part 2331 is stable.At above-mentioned second bearing 241 the outside is provided with bearing briquetting 242, bearing briquetting 242 firmly is connected with second back shaft 24, prevents that above-mentioned second bearing from skidding off 233.The position of first accepting hole 223 of corresponding aforementioned first back shaft 22 in the middle part of second back shaft 24 offers second accepting hole 243, and along continuous straight runs further offers through hole 244 on this second back shaft 24.
Please continue to consult shown in Figure 1, hanging of the present utility model system 2 also comprises hypophysis 25, hypophysis 25 1 ends are contained in the aforementioned receiving space 231, position corresponding to first back shaft 22 on it offers first through hole 251, and offer 252 corresponding to second back shaft 24, and in the vertical direction offers cable hole 253, and aforementioned connecting line 9 passes through in this cable hole 253, one end is connected in control circuit board 1, one end and is connected in laser instrument (figure does not show).
See also Figure 1 and Figure 2, described hypophysis 25 is contained in the described receiving space 231, second back shaft 24 is contained in described second through hole 252, its two ends protrude in described the 4th axis hole 233, second bearing is contained in the 4th axis hole 233 241, and the outside is further fixed by described bearing briquetting 242 again.Second support 23 is contained in the receiving space 211 of first support 21, described first back shaft 22 can run through first axis hole 212, Triaxial hole 232, first through hole 251, clutch shaft bearing is set to 221 at the two ends of first back shaft 22, and further fixes by described bearing briquetting 222 in the outside.Please cooperate and consult shown in Figure 3ly, described first back shaft 22 passes from the through hole 244 of second back shaft 24, and the aperture of this through hole 244 is greater than the diameter of axle of first back shaft 22, makes first back shaft 22 can do to a certain degree activity in through hole 244.Connecting line 9 is after the cable hole 253 of hypophysis 25 passes, second accepting hole 243 of second back shaft 24 by running through this hypophysis 25 and first accepting hole 223 of first back shaft 22, finally the cable hole 253 from this hypophysis 25 passes the hanging system, thereby is electrically connected with control circuit board 1.
The utility model has been finished designer's purpose of design, because connecting line 9 is from the cable hole 253 of hypophysis 25, upwards extend in first accepting hole, the 223 formed passages straight up of second accepting hole 243 of second back shaft 24 and first back shaft 22, after so this connecting line 9 passes the hanging system and control circuit board 1 is connected, this connecting line 9 and hypophysis 25 can not produce the tension force of side direction, can be because of the state that freely swings of the function influence hypophysis 25 of connecting line 9, and also can not produce the pulling force of side direction on the solder joint of this connecting line 9 and control circuit board 1 and laser instrument, so solder joint also is not easy fracture.
Claims (9)
1, a kind of laser level, comprise housing, laser system and hanging system, described laser system comprises control circuit board and laser instrument, be connected by connecting line between this control circuit board and the laser instrument, described hanging system comprises first support and hypophysis, it is characterized in that: be articulated with first back shaft in described first support, has first through hole on the described hypophysis, described first back shaft passes first through hole, offer first accepting hole on first back shaft, described connecting line is electrically connected described laser instrument and control circuit board by this first accepting hole.
2, laser level as claimed in claim 1 is characterized in that: it is right that the described first back shaft two ends are provided with first spring bearing.
3, laser level as claimed in claim 1, it is characterized in that: described hanging system further comprises second support and second back shaft, described first support has receiving space, described second support is contained in the above-mentioned receiving space, and described second support is articulated on described first support by second back shaft, and described second back shaft and the setting in a certain angle of first back shaft, corresponding described first accepting hole is provided with second accepting hole on second back shaft, and described connecting line is by described second accepting hole.
4, laser level as claimed in claim 3 is characterized in that: it is right that the described second back shaft two ends have second spring bearing.
5, laser level as claimed in claim 3 is characterized in that: described second back shaft and first back shaft are direct setting.
6, laser level as claimed in claim 3 is characterized in that: offer through hole on described second back shaft, described first back shaft runs through from described through hole.
7, laser level as claimed in claim 3 is characterized in that: offer second through hole on the described hypophysis, described second back shaft runs through described second through hole.
8, as claim 1 or 3 described laser levels, it is characterized in that: offer cable hole on the described hypophysis, described connecting line connects described laser instrument by described cable hole.
9, as claim 2 or 4 described laser levels, it is characterized in that: described clutch shaft bearing is provided with the bearing briquetting to reaching the right outside of second bearing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200579635U CN201242436Y (en) | 2008-04-30 | 2008-04-30 | Laser line-casting instrument |
| PCT/CN2008/001784 WO2009132486A1 (en) | 2008-04-30 | 2008-10-23 | A laser leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200579635U CN201242436Y (en) | 2008-04-30 | 2008-04-30 | Laser line-casting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201242436Y true CN201242436Y (en) | 2009-05-20 |
Family
ID=40715725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200579635U Expired - Lifetime CN201242436Y (en) | 2008-04-30 | 2008-04-30 | Laser line-casting instrument |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201242436Y (en) |
| WO (1) | WO2009132486A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807451A (en) * | 2015-05-05 | 2015-07-29 | 常州华达科捷光电仪器有限公司 | Positioning device for center threading |
| CN112284361A (en) * | 2020-11-26 | 2021-01-29 | 珠海大齐天光电科技有限公司 | Pendulum body core device of laser demarcation device, assembling method and debugging method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU175869U1 (en) * | 2017-05-25 | 2017-12-21 | Владимир Владимирович Тишин | Device for determining the roll of a structure |
| US20240118079A1 (en) * | 2022-10-05 | 2024-04-11 | Stanley Black & Decker Inc. | Construction laser level |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63290908A (en) * | 1987-05-22 | 1988-11-28 | Komatsu Ltd | Inclinometer |
| US5912733A (en) * | 1997-11-05 | 1999-06-15 | Dunlop; Ronald | Laser plumb line |
| CN2389349Y (en) * | 1999-09-15 | 2000-07-26 | 王联达 | Laser automatic levelling level |
| US6792685B1 (en) * | 2003-03-06 | 2004-09-21 | National University Of Singapore | Stabilized laser plumb |
| CN2760512Y (en) * | 2004-07-09 | 2006-02-22 | 西安华科光电有限公司 | Laser plumb |
| CN2826366Y (en) * | 2005-02-07 | 2006-10-11 | 吴运红 | Magnet laser plummet |
| CN2916575Y (en) * | 2006-04-28 | 2007-06-27 | 许练荣 | Universal mechanism of automatic horizontal laser level |
| CN101078623B (en) * | 2006-05-26 | 2010-05-12 | 南京德朔实业有限公司 | Self-leveling laser marking device and control method thereof |
| CN201045580Y (en) * | 2007-03-16 | 2008-04-09 | 蒋海洋 | Laser striping machine |
-
2008
- 2008-04-30 CN CNU2008200579635U patent/CN201242436Y/en not_active Expired - Lifetime
- 2008-10-23 WO PCT/CN2008/001784 patent/WO2009132486A1/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807451A (en) * | 2015-05-05 | 2015-07-29 | 常州华达科捷光电仪器有限公司 | Positioning device for center threading |
| CN112284361A (en) * | 2020-11-26 | 2021-01-29 | 珠海大齐天光电科技有限公司 | Pendulum body core device of laser demarcation device, assembling method and debugging method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009132486A1 (en) | 2009-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090520 |