CN101101207A

CN101101207A - Laser leveling instrument

Info

Publication number: CN101101207A
Application number: CNA2006100985403A
Authority: CN
Inventors: 黄正雄
Original assignee: Quarton Inc
Current assignee: Quarton Inc
Priority date: 2006-07-04
Filing date: 2006-07-04
Publication date: 2008-01-09

Abstract

The invention relates to a laser level device, which based on a power to produce at least one laser beam of core in the plane seat, and the seat installs the locking mechanism which is compose of the gear, operating and a rack. When user moves the operation-rod, the operation- rod will be driven to rotate with gear, and thus with the rack for reciprocating movement, reach the purpose whether or not lock of the control core and power-on. In addition, the laser level device also used the positioning shrapnel to positioning the rack reciprocating movement operation, in order to stable the lock of the machine core.

Description

Laser level instrument

Technical field

What the present invention relates to is a kind of laser level instrument, particularly be a kind of locking mechanism that uses wheel and rack, come the laser level instrument of stable locking movement.

Background technology

In engineerings such as civil construction and decoration, the big essential factor that operation is an influence construction precision is demarcated in the measurement of datum line.Recently, because the progress of science and technology, can produce laser pedal line or horizontal laser level instrument is very to receive an acclaim, and in order to improve laser line precision and user's operation ease, a kind of laser level instrument that can flatten automatically is to arise at the historic moment.

Because the automatic laser level instrument of leveling, normally its movement is utilized pin-joint mechanism such as bearing to be articulated on the support, make the movement can be, and carry out relatively oscillating motion at support along with the influence of gravity.When movement stops to wave and when reaching steady state (SS), the laser beam by movement projects can become horizontal or vertical pass to be with surface level, with horizontal or vertical reference data line as construction.

Significantly, this kind articulates and the mechanism that can freely wave, and unfavorable transporting at laser level instrument.Therefore, patent announcement No. 396094 patent in tw Taiwan is to propose a kind of movement can the locking " device makes a line with a carpenter's ink marker ", with when not using laser level instrument, can in powered-down, movement be locked, avoid level meter to damage because of rocking of transporting.Yet, its lock mode is the elastic force that utilizes torque spring, driving stopper arms reaches against movement, by being the axis of rotation that is positioned at stopper arms at torque spring, the rest position of stopper arms and movement is then at the end of stopper arms, form the structure of the long arm of force, so that easily exceed the torsion of spring, make the movement locking also unstable because of rocking of movement.

Summary of the invention

Mirror is arranged at this, the objective of the invention is to, a kind of laser level instrument is provided, it uses wheel and rack movement that locks, and makes the locking of movement of laser level instrument more stable and reliable.

For reaching above-mentioned and other purpose, the technical solution used in the present invention is, a kind of laser level instrument is provided, and this laser level instrument comprises: support, movement, power switch, gear, control lever and tooth bar.According to the conducting of power switch whether wherein, power switch is arranged on the support, and movement then is hubbed on the support, so that carry out relatively the oscillating motion at support, and, produce at least one laser beam.Gear is to be articulated on the support, and control lever is connection gear then, in order to the rotation of driven gear.Rack and pinion is meshed, and with when stirring control lever, can move back and forth along with the rotation of gear, and then the conducting of control locking of movement and power switch whether.

For above and other objects of the present invention, feature and advantage can be become apparent, hereinafter special with preferred embodiment, and cooperate appended graphicly, be described in detail below:

Description of drawings

Fig. 1 is the laser level instrument stereographic map that shows the preferred embodiment according to the present invention;

Fig. 2 is the part stereographic map of displayed map 1;

Fig. 3 is the part exploded perspective view of displayed map 2;

Fig. 4 be displayed map 1 laser level instrument control lever the start position operation chart;

Fig. 5 be displayed map 1 laser level instrument control lever the shutdown position operation chart.

Description of reference numerals: 10-laser level instrument; The 11-support; 111,112,113-support column; The 114-pin-joint mechanism; 115,143-circular hole; 116,117-screw; 118,119-projection; The 12-movement; 121,122,123,124,125-laser module; The 13-power switch; The 131-shell fragment; The 14-gear; The 141-tooth; The 15-control lever; The 16-tooth bar; The 161-roller seating space; 162,163,164,165-guide groove; 166,167-upper projecting face; The 168-locating piece; 17, the contour screw of 18-; The 19-Location resilient piece; The 191-screw; The 169-elastic body.

Embodiment

Fig. 1-5 shows a kind of laser level instrument 10 of the preferred embodiment according to the present invention, this laser level instrument 10 except support 11, movement 12 be the power switch 13 of limit switch for example, more comprise the locking mechanism of being formed by gear 14, control lever 15, tooth bar 16,

contour screw

17,18 and Location resilient piece 19 etc.

Among the figure, support 11 has upwardly extending support column 111,112 and 113, then is provided with the pin-joint mechanism 114 that articulates with movement 12 on the support column 111,112 and 113, so that movement 12 can be according to the influence of gravity, and carries out relatively oscillating motion at support 11.On the movement 12 and be provided with a plurality of laser modules 121,122,123,124 and 125,, produce a plurality of laser beam in order to the supply of foundation power switch 13 power supply of controlling.Though movement 12 devices have 5 laser modules 121,122,123,124 and 125 herein, so that produce 4 vertical fan-shaped laser beams that reach 1 level, so to have the knack of this skill person and should know, its device quantity can change according to actual demand.

By being can be at movement 12, and freely wave at support 11 relatively according to the influence of gravity.Therefore, must provide a locking mechanism, with when not using laser level instrument 10, can be in powered-down with movement 12 lockings, avoid laser level instrument 10 to damage because of rocking of transporting.The mode of operation of locking mechanism will describe in detail with reference to figure 1-5.

Among Fig. 3, gear 14 is roughly elongated cylindric, is articulated on the support 11 so that can insert circular hole set on the support 11 115.Gear 14 tops have and stretch out and two down curved teeth 141, and contiguous bottom position then offers a circular hole 143, insert and are connected with gear 14 for an end of control lever 15.

On the tooth bar 16 except roller seating space 161 with corresponding two teeth 141 at gear 14, have more a plurality of guide grooves 162,163,164 and 165 in order to control tooth bar 16 vibration-directions, lock the upper projecting face 166 of movement 12 in order to prop up, and shell fragment 131, and then the upper projecting face 167 of the contact of the conducting or the switch 13 of cutting off the electricity supply in order to lean power switch 13.

The control of tooth bar 16 vibration-directions is to pass the

guide groove

163 and 162 of tooth bar 16 respectively with

contour screw

17 and 18, and locks the

screw

117 and 116 that is arranged on the support 11 and finish.Preferably, on the support 11 and be provided with respectively

corresponding projection

118 and 119, be used for assisting and control tooth bar 16 reciprocating directions in guide groove 164 and 165.In addition, also be provided with a positioning block 168 on the tooth bar 16,, cooperate the Location resilient piece 19 of locking on support 11, locate tooth bar 16 reciprocating operating positions with when tooth bar 16 moves back and forth.Among the figure, Location resilient piece 19 is to lock on support 11 with screw 191.

Please refer to the operation chart of Fig. 4-5, when control lever 15 operates in start position as Fig. 4,

contour screw

17 and 18 be respectively the position on the guide groove 162 of

tooth bar

16 and 163 right side.At this moment, the Location resilient piece 19 of locking on support 11 can lean the right side of the locating piece 168 that is arranged on the tooth bar 16, so that tooth bar 16 is positioned at reciprocating leftward position.Therefore, upper projecting face 166 does not prop up movement 12 as shown in figure, that is to say, movement 12 is to be in the state that can freely wave with gravity.In addition, upper projecting face 167 does not lean the shell fragment 131 of power switch 13 yet, so the contact of power switch 13 is to be conducting state, the power supply (not illustrating) that connects power switch 13 will import the laser module 121,122,123,124 and 125 that is arranged on movement 12, and then makes laser module 121,122,123,124 and 125 produce required reference laser beam.At this moment, laser level instrument 10 is the states that are in normal use.

In addition, when the user finishes to use and when wanting to close laser level instrument 10, control lever 15 can be turned right dials to shutdown position as Fig. 5.At this moment, gear 14 will be rotated counterclockwise along with moving of control lever 15, and to be arranged on two teeth 141 on the gear 14, drive the roller seating space 161 that is meshed with it, make tooth bar 16 overcome Location resilient piece 19 elastic force and toward moving right, locating piece 168 on tooth bar 16 arrives the right side of Location resilient piece 19, makes Location resilient piece 19 lean the left side of locating piece 168, and just tooth bar 16 arrives till the reciprocating right positions.Be, upper projecting face 166 will prop up and lock movement 12, makes movement 12 be in the state that locks and can freely not wave.Simultaneously, upper projecting face 167 also can lean the shell fragment 131 of power switch 13, and then the contact of the switch 13 of cutting off the electricity supply, and reaches the purpose of closing the power supply that imports movement 12.

For the upper projecting face 166 of tooth bar 16 can firmly be propped up and lock movement 12, among Fig. 3, preferably can be pasted with on the upper projecting face 166 of tooth bar 16 for example is the elastic body 169 of rubber or foam, makes that leaning of 12 of tooth bar 16 and movements is more tight, reaches preferable locking effect.

Though the present invention discloses as above with preferred embodiment, so it is not in order to limiting the present invention, anyly has the knack of this skill person, and various changes and the retouching done without departing from the spirit and scope of the present invention also belong to scope of the present invention.Therefore, protection scope of the present invention is as the criterion when looking the accompanying Claim person of defining.

Claims

1. laser level instrument is characterized in that it comprises:

One support;

One power switch is arranged on the described support;

According to the conducting of described power switch whether one movement is hubbed on the described support, carrying out the oscillating motion with respect to described support, and, produce at least one laser beam;

One gear is articulated on the described support;

One control lever is connected described gear, to drive the rotation of described gear; And

One tooth bar is meshed with described gear, with when operating described control lever, carries out a to-and-fro movement along with the rotation of described gear, and then control described movement of locking and the described power switch of conducting.

2. laser level instrument as claimed in claim 1, it is characterized in that, described tooth bar has one first upper projecting face and one second upper projecting face, described control lever can switch between a start position and a shutdown position, and when described control lever operates in described shutdown position, described first upper projecting face can prop up and lock described movement, described second upper projecting face then can lean and cut off described power switch, when described control lever operated in described start position, then described tooth bar can be removed the locking and the described power switch of conducting of described movement.

3. laser level instrument as claimed in claim 2 is characterized in that, is pasted with an elastic body on described first upper projecting face.

4. laser level instrument as claimed in claim 3 is characterized in that, described elastic body is rubber or foam.

5. laser level instrument as claimed in claim 1, it is characterized in that, also comprise one first contour screw and one second contour screw, and described tooth bar has one first guide groove and one second guide groove, and the described first contour screw and the described second contour screw locked respectively in described first guide groove and described second guide groove, to control the reciprocating direction of described tooth bar.

6. laser level instrument as claimed in claim 5, it is characterized in that, described tooth bar also has one the 3rd guide groove and one the 4th guide groove, then is provided with corresponding projection at described the 3rd guide groove and described the 4th guide groove on the described support, with the reciprocating direction of the auxiliary described tooth bar of control.

7. laser level instrument as claimed in claim 1 is characterized in that, also comprises a location shell fragment, is fixed on the described support, and described tooth bar then has a positioning block, when described tooth bar moves back and forth, cooperates described Location resilient piece to locate described tooth bar.

8. laser level instrument as claimed in claim 1 is characterized in that, described power switch is a limit switch.