CN114094433B - High-power laser module and laser level meter - Google Patents

High-power laser module and laser level meter Download PDF

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Publication number
CN114094433B
CN114094433B CN202111153941.5A CN202111153941A CN114094433B CN 114094433 B CN114094433 B CN 114094433B CN 202111153941 A CN202111153941 A CN 202111153941A CN 114094433 B CN114094433 B CN 114094433B
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China
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fixedly connected
wall
seat
laser
laser level
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CN202111153941.5A
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CN114094433A (en
Inventor
成泽
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Nantong Zihua Electronic Technology Co ltd
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Nantong Zihua Electronic Technology Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/02Structural details or components not essential to laser action
    • H01S5/022Mountings; Housings
    • H01S5/0225Out-coupling of light
    • H01S5/02253Out-coupling of light using lenses
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002Active optical surveying means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/02Structural details or components not essential to laser action
    • H01S5/022Mountings; Housings
    • H01S5/023Mount members, e.g. sub-mount members
    • H01S5/02315Support members, e.g. bases or carriers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/02Structural details or components not essential to laser action
    • H01S5/022Mountings; Housings
    • H01S5/0235Method for mounting laser chips
    • H01S5/02355Fixing laser chips on mounts
    • H01S5/0236Fixing laser chips on mounts using an adhesive
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/02Structural details or components not essential to laser action
    • H01S5/022Mountings; Housings
    • H01S5/0235Method for mounting laser chips
    • H01S5/02375Positioning of the laser chips

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Semiconductor Lasers (AREA)
  • Lasers (AREA)

Abstract

The invention relates to the technical field of laser equipment, and discloses a high-power laser module and a laser level meter, which comprise: shell, structure and circuit board, the one end fixedly connected with mount table of shell, the recess has been seted up to the surface of mount table, and the optical rod mirror is installed to the inner wall of recess. This high-power laser module and laser level meter, through setting up optical lens, structure and diode base, the inner wall of diode base is impressed laser diode and crystal respectively, PD is located the refracting point of crystal, fix PD through UV glue, then push into the inner wall of structure with the diode base, install beam expander and optical lens to the inner wall of structure again in proper order, the structure is spacing to each component, avoid when the bonding, the position of component changes, prevent the axiality of each component not being in qualified within range, fix at the time of gluing, the axiality of component after having improved the laser module assembly.

Description

High-power laser module and laser level meter
Technical Field
The invention relates to the technical field of laser equipment, in particular to a high-power laser module and a laser level meter.
Background
The laser level gauge is mainly applied to the engineering fields such as construction and decoration, is used as an auxiliary tool for horizontal or vertical alignment during construction, is placed on the ground to be measured during operation, and is used for primarily calibrating horizontal bubbles on a shell, the working principle of a laser module transmitter is that the laser module transmitter transmits light rays through a laser diode in the transmitter body, the light rays are projected through a transmitting window of the shell, and the light rays are projected onto an object to be measured, so that measurement can be performed, and whether the wall surface, the ground and the like are horizontal or not can be accurately measured.
When the high-power laser module is produced, glue is firstly coated on the surface of an element, different elements are bonded through the glue, the position of the element is easy to deviate in the bonding process, the coaxiality of a final finished product is low, the laser level is required to irradiate all heights and vertical positions of a wall surface when in use, the laser level is required to be moved, the operation process is troublesome, the counter weight hammer is unstable in the laser level, the counter weight hammer can shake when in external impact, and the internal element of the laser level is impacted, so that the counter weight hammer and the internal element of the laser level are damaged.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-power laser module and a laser level meter, which solve the problems mentioned in the background.
The invention provides the following technical scheme: a high power laser module and laser level comprising: shell, structure and circuit board, the one end fixedly connected with mount pad of shell, the recess is seted up on the surface of mount pad, and the inner wall of recess installs the optical rod mirror, the inner wall swing joint of structure has the beam expander, the surface swing joint of beam expander has optical lens, optical lens threaded connection is at the inner wall of structure, the structure is installed at the inner wall of shell, the surface mounting of circuit board has laser diode, laser diode's surface mounting has the diode base, the crystal is installed to the inner wall of diode base, one side that the crystal is close to the structure is provided with PD, the inner wall at the structure is installed to the diode base.
Preferably, the surface swing joint of optical rod mirror has the preforming, the mounting hole has been seted up on the surface of preforming, and the inner wall swing joint of mounting hole has the fixed screw, the screw thread groove has been seted up to the terminal surface of mount table, and the inner wall in screw thread groove and the surface threaded connection of fixed screw.
Preferably, the adjusting groove is symmetrically formed in the surface of the mounting table, the adjusting hole is formed in the end face of the mounting table, an adjusting screw is connected with the inner wall of the adjusting hole in a threaded mode, and one end of the adjusting screw extends to the inner wall of the adjusting groove and is movably connected with the inner wall of the adjusting groove.
Preferably, the inner wall of the diode base is fixedly connected with a limiting ring, and the crystal and the laser diode are respectively positioned at two sides of the limiting ring.
Preferably, the device comprises a shell, a support, a connecting seat and a fixing seat, wherein the shell is arranged on the surface of the connecting seat, the support is fixedly connected to the top of the connecting seat, the support is located inside the shell, a universal shaft is arranged at the top of the inner wall of the support, the bottom fixedly connected with pendulum body is connected with the bottom of the fixing seat, a mounting hole is formed in the surface of the pendulum body, a high-power laser module is arranged on the inner wall of the pendulum body through the mounting hole, a heavy hammer is fixedly connected to the bottom of the pendulum body, the heavy hammer is movably connected to the inner wall of the connecting seat, a sliding ring is fixedly connected to the bottom of the connecting seat, a guide seat is movably connected to the surface of the sliding ring, a rotating mechanism is arranged on the surface of the guide seat, a connecting block is fixedly connected to the bottom of the guide seat, a rotating shaft is connected to the bearing through the bearing, the bottom of the fixing seat is fixedly connected with a supporting foot, a rotating disk is arranged on the side of the fixing seat, one end of the rotating disk is fixedly connected to one end of the rotating shaft, a limit groove is formed in the bottom of the pendulum body, a limit groove is formed in the bottom of the fixing seat, a rotating mechanism is movably connected to the inner wall of the connecting seat, a guide tube is fixedly connected to the inner wall of the guide tube, and the guide tube is fixedly connected to the guide groove.
Preferably, the rotating mechanism comprises a face gear, a driving gear and a knob, wherein the face gear is fixedly connected to the top of the slip ring, the driving gear is meshed with the surface of the face gear, the knob is fixedly connected to the center of the driving gear, the top of the guide seat is provided with a protective cover, the driving gear is located in the protective cover, the inner wall of the protective cover is fixedly connected with a resistance rotating shaft, and the knob is rotationally connected with the protective cover through the resistance rotating shaft.
Preferably, the positioning mechanism comprises an internal thread pipe, a threaded rod and an antiskid sheet, wherein the internal thread pipe is fixedly connected to the surface of the fixed seat, which is far away from the knob, the threaded rod is in threaded connection with the inner wall of the internal thread pipe, the antiskid sheet is fixedly connected to one end of the threaded rod, which is close to the rotating shaft, the other end of the threaded rod is fixedly connected with a holding block, and the surface of the antiskid sheet is movably connected with the end face of the rotating shaft.
Preferably, one end of the fixing seat is fixedly connected with a dial, the dial is movably sleeved on the surface of the central shaft of the rotating disc, and a pointer is arranged on the surface of the rotating disc.
Preferably, the fixing mechanism comprises a spring, a connecting rod and a limiting hook, one end of the spring is fixedly connected with the inner wall of the connecting groove, the other end of the spring is fixedly connected with one end of the connecting rod, far away from the spring, is fixedly connected with the surface of the limiting hook, the limiting hook is movably connected with the inner wall of the limiting groove, the cross section of the limiting groove is T-shaped, and the surface of the limiting hook is movably connected with the surface of the expansion block.
Preferably, the number of the fixing mechanisms is two, and the two fixing mechanisms are piled up by taking a central vertical surface passing through the connecting seat as a symmetrical surface.
Compared with the prior art, the invention has the following beneficial effects:
1. this high-power laser module and laser level meter, through setting up optical lens, structure and diode base, the inner wall of diode base is impressed laser diode and crystal respectively, PD is located the refracting point of crystal, fix PD through UV glue, then push into the inner wall of structure with the diode base, install beam expander and optical lens to the inner wall of structure again in proper order, the structure is spacing to each component, avoid when the bonding, the position of component changes, prevent the axiality of each component not being in qualified within range, fix at the time of gluing, the axiality of component after having improved the laser module assembly.
2. This high power laser module and laser level meter, through setting up guide position seat, sliding ring and slewing mechanism, the knob is held to the hand and is rotated, the knob rotates and drives the driving gear and rotate, the driving gear drives face gear and sliding ring and rotates, the sliding ring can rotate in guide position seat, thereby drive the connecting seat and rotate, drive the support through the connecting seat and rotate, the support rotates and drives pendulum body and weight and rotate, and then drive the high power laser module rotation on the installation area pendulum body, laser module's irradiation angle has been adjusted, need not the removal laser level meter that relapse, easy operation's effect has been reached.
3. This high power laser module and laser level meter, through setting up the connecting block, the axis of rotation, rolling disc and positioning mechanism, when the laser level meter pastes ground and uses, the stabilizer blade and the ground contact of fixing base bottom, the connecting block is in the state of being parallel to each other with the bottom of fixing base, adjust the stabilizer blade and observe the bubble on the laser level meter, the rolling disc drives the axis of rotation and rotates, the axis of rotation drives the connecting block and rotates, the connecting block drives the laser level meter and rotates, can adjust the angle of laser level meter, the fixed axis of rotation of rethread positioning mechanism, thereby fixed connecting block and laser level meter's position, reach the effect of conveniently adjusting laser level meter angle.
4. This high power laser module and laser level meter through setting up expanding block, locating lever, spacing groove and fixed establishment, when needing fixed weight, locating lever threaded connection is at the inner wall of adjusting pipe, through the position of rotating the adjustable locating lever of locating lever, rotates the locating lever and makes the locating lever rise, drives the expanding block and rises, expanding block and spacing hook contact to extrude the inside to the spread groove with spacing hook, the inner wall contact of spacing hook and spacing groove simultaneously supports the position of weight through expanding block and spacing hook, prevents that the weight from rocking in the inside of laser level meter.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the laser level of the present invention;
FIG. 3 is a schematic diagram of an explosion structure of a high-power laser module according to the present invention;
FIG. 4 is a schematic view of the structure of the invention at the location of the expansion blocks;
FIG. 5 is a schematic view of an exploded construction of the rotary mechanism of the present invention;
FIG. 6 is a schematic side sectional view of the present invention at the location of the axis of rotation;
FIG. 7 is a schematic view of a partially enlarged structure of the positioning mechanism of FIG. 6 according to the present invention;
FIG. 8 is a schematic side sectional view of the fixing mechanism of the present invention;
fig. 9 is a partially enlarged view of the fixing mechanism of fig. 8 according to the present invention.
In the figure: 1. a housing; 2. structural members; 3. a circuit board; 4. a mounting table; 5. an optical rod mirror; 6. a beam expander; 7. an optical lens; 8. a laser diode; 9. a diode mount; 10. PD; 11. a crystal; 12. tabletting; 13. a set screw; 14. an adjustment tank; 15. an adjusting screw; 16. a limiting ring; 17. a housing; 18. a bracket; 19. a connecting seat; 20. a fixing seat; 21. a pendulum body; 22. a heavy hammer; 23. a slip ring; 24. a rotating mechanism; 241. face gears; 242. a drive gear; 243. a knob; 244. a protective cover; 25. a connecting block; 26. a rotating shaft; 27. a rotating disc; 28. a support leg; 29. a limit groove; 30. a positioning mechanism; 301. an internally threaded tube; 302. a threaded rod; 303. a non-slip sheet; 31. a connecting groove; 32. a fixing mechanism; 321. a spring; 322. a connecting rod; 323. a limit hook; 33. an adjusting tube; 34. a positioning rod; 35. a swelling block; 36. a dial; 37. a guide seat.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, a high power laser module and laser level, comprising: shell 1, structure 2 and circuit board 3, the one end fixedly connected with mount table 4 of shell 1, the recess has been seted up on the surface of mount table 4, and the optical rod mirror 5 is installed to the inner wall of recess, the inner wall swing joint of structure 2 has beam expander 6, the surface swing joint of beam expander 6 has optical lens 7, optical lens 7 threaded connection is at the inner wall of structure 2, the inner wall at shell 1 is installed to structure 2, the surface mounting of circuit board 3 has laser diode 8, the surface mounting of laser diode 8 has diode base 9, crystal 11 is installed to the inner wall of diode base 9, one side that crystal 11 is close to structure 2 is provided with PD 10, diode base 9 is installed at the inner wall of structure 2.
Wherein; the surface swing joint of optics stick mirror 5 has preforming 12, and the mounting hole has been seted up on the surface of preforming 12, and the inner wall swing joint of mounting hole has set screw 13, and the screw thread groove has been seted up to the terminal surface of mount table 4, and the inner wall of screw thread groove and the surface threaded connection of set screw 13, and preforming 12 passes through set screw 13 to be installed on mount table 4, carries out further fixed to optics stick mirror 5 through preforming 12, prevents that optics stick mirror 5 from coming off from mount table 4.
Wherein; the adjusting groove 14 has been seted up to the surface symmetry of mount table 4, the regulation hole has been seted up to the terminal surface of mount table 4, and the inner wall threaded connection of regulation hole has adjusting screw 15, the one end of adjusting screw 15 extends to the inner wall of adjusting groove 14 and with the inner wall swing joint of adjusting groove 14, adjusting screw 15 is adjusting empty rotation, the position of movable adjusting screw 15, support the inner wall of adjusting groove 14 through adjusting screw 15, change the distance of adjusting groove 14 inner wall, thereby make mount table 4 take place the deformation, thereby adjust the levelness of optics excellent mirror 5, conveniently calibrate high efficiency laser module straightness.
Wherein; the inner wall of the diode base 9 is fixedly connected with a limiting ring 16, the crystal 11 and the laser diode 8 are respectively positioned at two sides of the limiting ring 16, the limiting ring 16 limits the crystal 11 and the laser diode 8, hard contact between the crystal 11 and the laser diode 8 is avoided when the crystal 11 and the laser diode 8 are installed, and abrasion of the crystal 11 and the laser diode 8 is prevented.
Wherein; including casing 17, support 18, connecting seat 19 and fixing base 20, the surface at connecting seat 19 is installed to casing 17, support 18 fixed connection is at the top of connecting seat 19, support 18 is located the inside of casing 17, the cardan shaft is installed at the top of support 18 inner wall, and the bottom fixedly connected with pendulum body 21 of cardan shaft, the mounting hole has been seted up on the surface of pendulum body 21, high power laser module installs the inner wall at pendulum body 21 through the mounting hole, the bottom fixedly connected with weight 22 of pendulum body 21, weight 22 swing joint is at the inner wall of connecting seat 19, the bottom fixedly connected with sliding ring 23 of connecting seat 19, the surface swing joint of sliding ring 23 has guide seat 37, the surface of sliding ring 23 is provided with rotary mechanism 24, guide seat 37's bottom fixedly connected with connecting block 25, the one end of connecting block 25 is provided with axis of rotation 26, the surface fixedly connected with bearing of axis of rotation 26 passes through bearing and fixing base 20 rotation connection, the bottom fixedly connected with stabilizer 28 of fixing base 20, the side of fixing base 20 is provided with rolling disc 27, the one end of rolling disc 27 and the weight one end fixedly connected with of axis of rotation 26, the bottom of 22 has the spacing groove 29, the other end of rotation axis 26 is provided with guide groove 31, the guide groove 31 is provided with the inner wall of connecting seat 32 fixedly connected with the guide tube 32 of spacing groove 31, the inner wall of guide seat 32 fixedly connected with the fixed connection groove 33, the fixed connection of guide tube 32 is provided with the inner wall of guide groove 31, the guide groove of guide groove 33 is fixedly connected with the guide groove 32.
Wherein; the rotating mechanism 24 comprises a face gear 241, a driving gear 242 and a knob 243, wherein the face gear 241 is fixedly connected to the top of the slip ring 23, the driving gear 242 is meshed with the surface of the face gear 241, the knob 243 is fixedly connected to the center of the driving gear 242, the top of the guide seat 37 is provided with a protective cover 244, the driving gear 242 is located inside the protective cover 244, the inner wall of the protective cover 244 is fixedly connected with a resistance rotating shaft, and the knob 243 is rotationally connected with the protective cover 244 through the resistance rotating shaft.
Wherein; the positioning mechanism 30 comprises an internal thread pipe 301, a threaded rod 302 and an anti-slip sheet 303, wherein the internal thread pipe 301 is fixedly connected to the surface of the fixed seat 20, which is far away from the knob 243, the threaded rod 302 is in threaded connection with the inner wall of the internal thread pipe 301, the anti-slip sheet 303 is fixedly connected to one end of the threaded rod 302, which is close to the rotating shaft 26, the other end of the threaded rod 302 is fixedly connected with a holding block, and the surface of the anti-slip sheet 303 is movably connected with the end face of the rotating shaft 26.
Wherein; one end of the fixed seat 20 is fixedly connected with a dial 36, the dial 36 is movably sleeved on the surface of the central shaft of the rotating disc 27, a pointer is arranged on the surface of the rotating disc 27, the pointer on the rotating disc 27 points to the scale on the dial 36, and the rotating angle of the laser level is positioned more accurately.
Wherein; the fixed establishment 32 includes spring 321, connecting rod 322 and spacing hook 323, the one end and the inner wall fixed connection of spread groove 31 of spring 321, the other end and the one end fixed connection of connecting rod 322 of spring 321, the one end that the spring 321 was kept away from to the connecting rod 322 and the fixed surface of spacing hook 323 are connected, spacing hook 323 swing joint is at the inner wall of spacing groove 29, the cross section of spacing groove 29 is T shape, the surface of spacing hook 323 and the surface swing joint of expanding block 35, when needing fixed weight 22, locating lever 34 threaded connection is at the inner wall of adjusting tube 33, the position of locating lever 34 is adjustable through rotating locating lever 34, rotating locating lever 34 makes locating lever 34 rise, drive expanding block 35 rise, expanding block 35 and spacing hook 323 contact, and extrude spacing hook 323 to the inside of spread groove 31, simultaneously spacing hook 323 and the inner wall contact of spacing groove 29, the position of weight 22 is supported through expanding block 35 and spacing hook 323, prevent that weight 22 from rocking in the inside of laser level.
Wherein; the number of the fixing mechanisms 32 is two, and the two fixing mechanisms 32 are piled up with a central vertical plane passing through the connecting seat 19 as a symmetrical plane.
The working principle is that before the laser level meter is used, the locking of the heavy hammer 22 is firstly released, the positioning rod 34 is connected with the inner wall of the adjusting tube 33 in a threaded manner, the positioning rod 34 is rotated to enable the positioning rod 34 to move in the direction away from the heavy hammer 22, the positioning rod 34 is moved to drive the expansion block 35 to move, the expansion block 35 moves to drop from the surface of the limit hook 323 and does not press the limit hook 323, at the moment, the spring 321 stretches back to push the connecting rod 322 to move, the connecting rod 322 moves to push the limit hook 323 to move, so that the limit hook 323 is separated from the inner wall of the limit groove 29, the limit hook 323 is not limited on the heavy hammer 22, when the laser level meter is used for baseline level measurement in a ground pasting mode, the support leg 28 at the bottom of the fixed seat 20 is contacted with the ground, the connecting block 25 is in a state parallel to the bottom of the fixed seat 20, the support leg 28 is adjusted to observe the level bubble on the laser level meter, and the level bubble is located in the center, when the laser level is started, when the horizontal rays of the laser level are to be regulated, the threaded rod 302 is rotated, the threaded rod 302 moves in the direction away from the rotating shaft 26, the anti-slip sheet 303 is separated from the end face of the rotating shaft 26, the rotating disc 27 is rotated, the rotating disc 27 drives the rotating shaft 26 to rotate, the rotating shaft 26 drives the connecting block 25 to rotate, the connecting block 25 drives the laser level to rotate, the angle of the laser level can be regulated, the angle of inclination of the laser level is determined through the pointer alignment dial 36, or whether the rays projected onto the wall reach the required height is directly observed, after the position of the laser level is determined, the threaded rod 302 is reversely rotated, the threaded rod 302 moves towards the rotating shaft 26, the anti-slip sheet 303 is driven to press the rotating shaft 26, the anti-slip sheet 303 is abutted against the end face of the rotating shaft 26, the rotating shaft 26 is fixed, the rotating shaft 26 cannot rotate, thereby the fixed connecting block 25 and the position of laser level, reach the effect of conveniently adjusting the laser level angle, when needing to adjust the perpendicular ray of laser level, the hand grips and rotates knob 243, knob 243 is connected in the inner wall of cover 244 through resistance pivot rotation, knob 243 rotates and drives driving gear 242 rotation, driving gear 242 drives face gear 241 and sliding ring 23 rotation, sliding ring 23 can rotate in guide seat 37, thereby drive connecting seat 19 rotation, drive support 18 rotation through connecting seat 19, support 18 rotates and drives pendulum 21 and weight 22 rotation, and then drive the high-power laser module rotation on the installation area pendulum 21, the irradiation angle of laser module has been adjusted, need not repeatedly remove the laser level, reached easy operation's effect, will fix weight 22 when not using, during the fixed weight 22, locating lever 34 threaded connection is at the inner wall of adjusting tube 33, the position of adjustable locating lever 34 through rotating locating lever 34, the locating lever 34 makes locating lever 34 rise, it rises to drive expanding block 35, expanding block 35 and limit hook 323 contact, and with limit hook 323 to extrude the inside of connecting groove 31, simultaneously with the inside of limit hook 29 and limit groove 22 and limit groove, prevent the inside of limiting hook 323 from shaking the position at the weight 22 through limit groove 29 and limit groove 323.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a laser level meter, its characterized in that includes casing (17), support (18), connecting seat (19) and fixing base (20), the surface at connecting seat (19) is installed to casing (17), support (18) fixed connection is at the top of connecting seat (19), support (18) are located the inside of casing (17), the cardan shaft is installed at the top of support (18) inner wall, and the bottom fixedly connected with pendulum body (21) of cardan shaft, the mounting hole has been seted up on the surface of pendulum body (21), high-power laser module passes through the mounting hole and installs at the inner wall of pendulum body (21), the bottom fixedly connected with weight (22) of pendulum body (21), weight (22) swing joint is at the inner wall of connecting seat (19), the bottom fixedly connected with sliding ring (23) of connecting seat (19), the surface swing joint of sliding ring (23) has guide seat (37), the surface of sliding ring (23) is provided with rotary mechanism (24), the bottom fixedly connected with pendulum body (21) of guiding seat (37), the bottom fixedly connected with pendulum shaft (25), the rotation axis (26) is provided with bearing (26) and is connected with one end (20) through the fixed connection, the bottom fixedly connected with stabilizer blade (28) of fixing base (20), the side of fixing base (20) is provided with rolling disc (27), the one end of rolling disc (27) and the one end fixed connection of axis of rotation (26), spacing groove (29) have been seted up to the bottom of weight (22), the other end of axis of rotation (26) is provided with positioning mechanism (30), spread groove (31) have been seted up to the inner wall of connecting seat (19), the inner wall of spread groove (31) is provided with fixed establishment (32), the one end swing joint of fixed establishment (32) is at the inner wall of spacing groove (29), the bottom fixedly connected with adjusting tube (33) of guide seat (37), the inner wall threaded connection of adjusting tube (33) has locating lever (34), the top fixedly connected with expansion block (35) of locating lever (34);
the fixing mechanism (32) comprises a spring (321), a connecting rod (322) and a limiting hook (323), one end of the spring (321) is fixedly connected with the inner wall of the connecting groove (31), the other end of the spring (321) is fixedly connected with one end of the connecting rod (322), one end of the connecting rod (322) away from the spring (321) is fixedly connected with the surface of the limiting hook (323), the limiting hook (323) is movably connected with the inner wall of the limiting groove (29), the cross section of the limiting groove (29) is T-shaped, and the surface of the limiting hook (323) is movably connected with the surface of the expansion block (35).
2. The laser level according to claim 1, wherein the rotation mechanism (24) comprises a face gear (241), a driving gear (242) and a knob (243), the face gear (241) is fixedly connected to the top of the slip ring (23), the driving gear (242) is meshed to the surface of the face gear (241), the knob (243) is fixedly connected to the center of the driving gear (242), a protective cover (244) is arranged on the top of the guide seat (37), the driving gear (242) is located inside the protective cover (244), a resistance rotating shaft is fixedly connected to the inner wall of the protective cover (244), and the knob (243) is rotatably connected with the protective cover (244) through the resistance rotating shaft.
3. The laser level according to claim 1, wherein the positioning mechanism (30) comprises an internal thread tube (301), a threaded rod (302) and an anti-slip sheet (303), the internal thread tube (301) is fixedly connected to the surface of the fixing seat (20) far away from the knob (243), the threaded rod (302) is in threaded connection with the inner wall of the internal thread tube (301), the anti-slip sheet (303) is fixedly connected to one end of the threaded rod (302) close to the rotating shaft (26), the other end of the threaded rod (302) is fixedly connected with a holding block, and the surface of the anti-slip sheet (303) is movably connected with the end face of the rotating shaft (26).
4. The laser level according to claim 1, wherein one end of the fixed seat (20) is fixedly connected with a dial (36), the dial (36) is movably sleeved on the surface of the central shaft of the rotating disc (27), and a pointer is arranged on the surface of the rotating disc (27).
5. A laser level according to claim 1, characterized in that the number of said fixing means (32) is two, and that the two fixing means (32) are stacked with the central vertical plane passing through the connecting seat (19) as a plane of symmetry.
CN202111153941.5A 2021-09-29 2021-09-29 High-power laser module and laser level meter Active CN114094433B (en)

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Publication number Priority date Publication date Assignee Title
WO2002025210A1 (en) * 2000-09-23 2002-03-28 Sht Co., Ltd. Level and/or verticality indicator using laser beams
EP1524495A1 (en) * 2003-10-14 2005-04-20 Kabushiki Kaisha Topcon Laser irradiating system
JP2006242735A (en) * 2005-03-03 2006-09-14 Audio Technica Corp Laser line unit and laser marking apparatus
CN101206117A (en) * 2006-12-22 2008-06-25 方础光电科技股份有限公司 Laser level meter and laser device for making line thereof
CN101241008A (en) * 2007-02-06 2008-08-13 陈建军 Laser self-adjusting demarcation device
CN208887621U (en) * 2018-10-01 2019-05-21 玉环岳华金属制品厂 A kind of anti-reflection laser leveler
CN110260847A (en) * 2019-08-02 2019-09-20 安徽理工大学 A kind of laser leveler
CN211121211U (en) * 2019-10-12 2020-07-28 潘金辉 Novel laser ground-pasting line projector

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002025210A1 (en) * 2000-09-23 2002-03-28 Sht Co., Ltd. Level and/or verticality indicator using laser beams
EP1524495A1 (en) * 2003-10-14 2005-04-20 Kabushiki Kaisha Topcon Laser irradiating system
JP2006242735A (en) * 2005-03-03 2006-09-14 Audio Technica Corp Laser line unit and laser marking apparatus
CN101206117A (en) * 2006-12-22 2008-06-25 方础光电科技股份有限公司 Laser level meter and laser device for making line thereof
CN101241008A (en) * 2007-02-06 2008-08-13 陈建军 Laser self-adjusting demarcation device
CN208887621U (en) * 2018-10-01 2019-05-21 玉环岳华金属制品厂 A kind of anti-reflection laser leveler
CN110260847A (en) * 2019-08-02 2019-09-20 安徽理工大学 A kind of laser leveler
CN211121211U (en) * 2019-10-12 2020-07-28 潘金辉 Novel laser ground-pasting line projector

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