JP3176158U - Laser level - Google Patents

Abstract

The present invention provides a laser leveler that adjusts an angle by driving an eccentric wheel by a stepping motor and measures a plane reference by laser light.
A lower base, a first driving member, a second driving member, an upper base, an elastic member, and at least one laser light emitting module. The lower pedestal is tiltably coupled to the upper pedestal, and the first drive member and the second drive member are located between the lower pedestal and the upper pedestal and are installed on the lower pedestal. The one drive member includes a first stepping motor and a first eccentric wheel installed at a first axis of the first stepping motor, and the second drive member includes a second stepping motor and a second stepping motor. A second eccentric ring installed on the biaxial center is provided. Since these eccentric rings come into contact with the upper base, when rotating, the upper base can be tilted with respect to the lower base, and the laser level can be adjusted with high accuracy.
[Selection] Figure 1

Description

  The present invention particularly relates to a laser leveler that adjusts an angle by driving an eccentric wheel by a stepping motor and measures a reference of a plane by laser light.

  Conventional ink marking is artificially drawn or moved using a bubble tube level when measuring points that are the basis for building work or furniture production, horizontal lines, vertical lines, etc. While measuring the reference line, it is very inconvenient because it takes time to erase the marking line after measurement. In order to solve the drawbacks, the current technology has a laser level that is easy to operate. When the laser beam is adjusted to the desired angle and the switch is turned on, the laser beam is projected onto an object for easy use. .

  In order to place the existing laser level on a floor surface having various angles, a plurality of support members are provided at the lower part of the laser level table, and by extending and contracting these support members, Adjust the pedestal of the vessel and leave it stationary.

  Each of the support members moves along one side by the spiral means. Since the pitch of the spiral means has a predetermined distance, the laser beam is generated by thermal expansion / cold shrinkage due to vibration or temperature when adjusting. Errors may occur when adjusting the support member, and when the laser beam is projected over a long distance, the accuracy of the measurement is greatly reduced, and the multiple supports When adjusting the members, the adjustments must be made one by one, which wastes time and may cause errors.

  A laser that solves the problem that errors occur during adjustment of the support member in the existing laser leveler, and the disadvantage that fine adjustment is not possible, by the stepping motor driving the eccentric wheel to finely adjust the installation angle. Provide a level.

A laser level according to the present invention includes a lower base including an upper surface, a bottom surface, and a tube protruding from the upper surface,
A first stepping motor having a first output shaft and provided on the first output shaft and provided with a first eccentric ring; and provided on a lower portion of the first stepping motor and installed on an upper surface of the lower base. A first drive member comprising a first base,
A second stepping motor having a second output shaft and disposed on the second output shaft, the second stepping motor having a second eccentric ring; and a lower step of the second stepping motor; and a second stepping motor disposed on the upper surface of the lower base. A second drive member comprising a second base,
An upper base including a top surface, a bottom surface, and a joint that is coupled to the tube of the lower base so as to be tiltable so as to protrude from the bottom surface;
Both ends are coupled to the lower seat and the upper seat, respectively, and an elastic member located in the vicinity between the first drive member and the second drive member;
And at least one laser emitting module installed on the upper surface of the upper base.

A ball joint is installed at one end of the tube,
It is preferable that the joint portion of the upper base is pivotably coupled to the ball joint, and the upper base is tilted freely with respect to the lower base with the ball joint as a fulcrum.

  Between the axis L1 connecting the axis of the first drive member and the tube and the axis L2 connecting the axis of the second drive member and the upper tube, there is an angle θ1 of 30 to 180 degrees, and The elastic member is preferably arranged in the range of the angle θ1.

A third eccentric wheel is installed on the third output shaft so as to have a third output shaft and located above the first stepping motor, and the third eccentric wheel is in contact with the upper base. Three stepping motors,
A fourth eccentric wheel is installed on the fourth output shaft so as to have a fourth output shaft and installed above the second stepping motor, and the fourth eccentric wheel is brought into contact with the upper base. Four stepping motors,
Mounted on the third stepping motor so as to be positioned between the first stepping motor and the third stepping motor, and contacts the first eccentric wheel and moves relative to the first base. A first plate that can,
Mounted on the fourth stepping motor so as to be positioned between the second stepping motor and the fourth stepping motor, contacting the second eccentric wheel, and moving relative to the second base And a second plate that can be made.

  Preferably, the eccentric distance of the third eccentric ring is longer than the eccentric distance of the first eccentric ring, and the eccentric distance of the fourth eccentric ring is longer than the eccentric distance of the second eccentric ring.

A plurality of insertion holes are recessed in the first base,
In the first plate, a plurality of insertion columns that are movably inserted in the insertion holes are protruded at locations corresponding to the insertion holes,
A plurality of insertion holes are recessed in the second base,
In the second plate, it is preferable that a plurality of insertion columns that are movably inserted into the insertion holes are provided at positions corresponding to the insertion holes.

  The elastic member includes a first elastic unit and a second elastic unit, and one end of each of the first elastic unit and the second elastic unit is attached to the upper surface 12 of the lower base by one bolt, and the other end is 2 respectively. The bottom surface 41 of the upper base 40 may be attached with two bolts 51.

  The first elastic unit and the second elastic unit may be disposed within an angle range formed by the first driving member and the second driving member.

  Each of the first drive member and the second drive member may be installed near the periphery of the lower base.

  Each of the first drive unit and the second drive member may be installed near the center of the lower base.

  In the laser leveler according to the present invention, as described above, the upper base is brought into contact with and moved by the rotation of at least one first eccentric ring of the first drive member and at least one second eccentric ring of the second drive member. Since the upper base can be tilted at various angles with respect to the lower base, the laser beam from the laser level can be finely adjusted to improve the measurement accuracy. Since the eccentric wheel is rotated by using the stepping motor and the eccentric wheel moves while being in contact with the upper base, the laser light emitting module can be adjusted with high accuracy, so that the user can easily operate it. Can do.

1 is a perspective view of a laser leveler according to the present invention. FIG. 3 is a partial exploded perspective view of a laser leveler according to the present invention in a bottom view. It is a partial exploded perspective view of the laser leveler according to the present invention in a top view. It is a top view partial top view of the laser level device which concerns on this invention. 1 is a perspective view of an embodiment having a plurality of laser emission modules in a laser leveler according to the present invention. It is a fragmentary sectional view which shows the use condition of the laser level device which concerns on this invention. It is a perspective view of the other Example in the laser level device which concerns on this invention. It is a fragmentary sectional view which shows the use condition of the Example of FIG. It is a top view partial top view of another Example in the laser level device which concerns on this invention. It is a fragmentary sectional view which shows the use condition of the Example of FIG.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, the following Example is only what showed the preferred embodiment of this invention, and the technical scope of this invention is not limited to the following Example itself at all.

  As shown in FIG. 1, a laser leveler 1 according to the present invention includes a lower base 10, a first driving member 20, a second driving member 30, an upper base 40, an elastic member, and a laser emitting module 60. And have.

  As shown in FIGS. 2 to 4, the lower base 10 has a disk shape, and includes a bottom surface 11, a top surface 12, and a through hole 13 formed in the center so as to penetrate the bottom surface 11 and the top surface 12. A tube 14 projecting from the inner edge of the upper surface 12 corresponding to the through hole 13, and a ball joint 15 attached to one end of the tube 14. Since the ball joint 15 is an existing technology, its description is omitted.

  The first driving member 20 includes a first stepping motor 21, a third stepping motor 22, a first plate 23 installed between the first stepping motor 21 and the third stepping motor 22, and a first base. 26, of which the first eccentric wheel 24 is installed on the first output shaft of the first stepping motor 21, the first eccentric wheel 24 is in contact with the first plate 23, and the first base 26 is It is installed on the upper surface 12 of the lower base 10 so as to be positioned below the first stepping motor 21, and an insertion hole 261 is recessed at each corner of the upper surface of the first base 26.

  The third stepping motor 22 is attached to the first plate 23 so as to be positioned above the first stepping motor 21, and a third eccentric ring 25 is installed on the third output shaft. Are in contact with the upper base 40, and a plurality of insertion pillars 231 are projected at positions corresponding to the insertion holes 261 in the first plate 23, and each of the insertion pillars 231 is inserted movably. It is inserted into the installation hole 261. The eccentric distance of the third eccentric ring 25 is set longer than the eccentric distance of the first eccentric ring 24.

  The second driving member 30 includes a second stepping motor 31, a fourth stepping motor 32, a second plate 33 installed between the second stepping motor 31 and the fourth stepping motor 32, and a second base. 36, of which the second eccentric ring 34 is installed on the second output shaft of the second stepping motor 31, the second eccentric ring 34 is in contact with the second plate 33, and the second base 36 is It is installed on the upper surface 12 of the lower base 10 so as to be the lower part of the two stepping motor 31, and insertion holes 361 are recessed in the respective corners of the upper surface of the second base 36.

  The fourth stepping motor 32 is positioned above the second stepping motor 31, and a fourth eccentric ring 35 is installed on the fourth output shaft, and the fourth eccentric ring 35 is brought into contact with the upper base 40, A fourth stepping motor 32 is attached to the second plate 33, and a plurality of insertion columns 331 are provided at locations corresponding to the insertion holes 361 in the second plate 33. The installation pillars 331 are inserted into the insertion holes 361 of the second base 36 so as to be movable. The eccentric distance of the fourth eccentric ring 35 is set longer than the eccentric distance of the second eccentric ring 34.

  Each of the first drive member 20 and the second drive member 30 is installed in the vicinity of the periphery of the lower base 10 and has a linear direction extending toward the axis of the tube 14 as an axis, and the first drive In the member 20, a linear direction extending toward the axis of the tube 14 is defined as an axis L1, and in the second drive member 30, a linear direction extending toward the axis of the tube 14 is defined as an axis L2. An angle is formed between the axis L1 and the axis L2, and the angle θ1 is preferably in a range from 30 degrees to 180 degrees.

  The upper base 40 has a disk shape and corresponds to the bottom surface 41, the top surface 42, a through hole 43 formed in the center so as to penetrate the bottom surface 41 and the top surface 42, and the through hole 43 in the bottom surface 41. And a joint 44 projecting downward, and the joint 44 is a column and is pivotably coupled to the ball joint 15 of the tube 14 of the lower base 10. Therefore, the lower base 10 and the upper base 40 can tilt at various angles with the ball joint 15 as a fulcrum.

  Both ends of the elastic member are coupled to the lower base 10 and the upper base 40, respectively, and are positioned in the vicinity between the first drive member 20 and the second drive member 30, and the first elastic unit 50; A plurality of bolts 51 and a second elastic unit 52 are provided. In the present embodiment, one end of each of the first elastic unit 50 and the second elastic unit 52 is attached to the upper surface 12 of the lower seat base 10 by one bolt 51, and the other end is fixed by two bolts 51. As shown in FIG. 4, the position where the elastic member is coupled to the lower base 10 and the upper base 40 is located on the axis of the first drive member 20 and the second drive member 30. It arrange | positions in the range of about 90 degree | times formed between the axis lines.

  The laser light emitting module 60 is installed in the vicinity of the periphery opposite to the through hole 43 on the upper surface 42 of the upper base 40.

  As shown in FIGS. 5 and 6, according to the present invention, a control signal is transmitted to the first driving member 20 and the second driving member 30 by a circuit, and the first stepping of the first driving member 20 is performed by the control signal. The driving of the motor 21 and the third stepping motor 22 and the second stepping motor 31 and the fourth stepping motor 32 of the second drive member 30 are controlled. In use, when the first stepping motor 21 is driven to rotate the first eccentric ring 24, the first eccentric ring 24 is brought into contact with the first plate 23, and the insertion column 231 of the first plate 23 is While moving along the insertion hole 261 of the one base 26, the first plate 23 and the third stepping motor 22 on the first plate 23 are moved, and the third stepping motor 22 is driven to move the third eccentric wheel. 25 is rotated, the upper base 40 can be tilted with respect to the lower base 10.

  On the other hand, when the second stepping motor 31 is driven to rotate the second eccentric ring 34, the second eccentric ring 34 is brought into contact with the second plate 33 and the insertion column 331 is inserted into the insertion hole 361 of the second base 36. The second plate 33 and the fourth stepping motor 32 on the second plate 33 are moved while the fourth stepping motor 32 is driven and the fourth eccentric ring 35 is rotated. 40 can be moved relative to the lower base 10. Further, the joint 44 of the upper base 40 tilts with respect to the lower base 10 with the ball joint 15 of the tube 14 of the lower base 10 as a fulcrum, so that the laser installed on the upper surface 42 of the upper base 40. Measurement can be performed by projecting laser light after adjusting the light emitting module 60 to a desired angle. Further, since the elastic member provides a biasing force for contraction, the upper and lower bases 40 and 10 are pulled to bring the first eccentric ring 24 and the third eccentric ring 25 into firm contact with the corresponding portions, respectively. In addition, after the upper base 40 is adjusted, the lower base 10 can be restored.

  As shown in FIGS. 7 and 8, in a laser leveler 1A according to another embodiment of the present invention, the first drive unit 20A is installed on the upper surface 12A of the lower base 10A via the first base 26A. The first eccentric wheel 24A is attached to the first output shaft of the first stepping motor 21A, and the first eccentric wheel 24A is in contact with the bottom surface 41A of the upper base 40A. On the other hand, the second drive member 30A is installed on the lower base 10A via the second base 36A, and has a second stepping motor 31A, and a second output shaft of the second stepping motor 31A has a second output shaft. An eccentric ring 34A is attached, and the second eccentric ring 34 is brought into contact with the bottom surface 41A of the upper base 40A, and is different from the laser leveler 1 in this point. Further, in the present embodiment, the laser light emitting module 60A is installed on the upper surface 42A of the upper base 40A, and the laser leveler 1A is disposed through the bottom surface 11A.

  As shown in FIGS. 9 and 10, the structure of the laser level 1B in still another embodiment is almost the same as that of the laser level 1, and the first driving unit 20B and the second driving member 30B are respectively It is installed in the vicinity of the center of the lower base 10B, that is, in the vicinity of the periphery from the vicinity of the through-hole 13B, and between 30 degrees between the axis of the first drive unit 20B and the axis of the second drive member 30B. An angle θ2 in the range up to 180 degrees is provided.

  When using the laser level 1B in this embodiment, the first stepping motor 21B is driven to rotate the first eccentric ring 24B to move the first plate 23B, and the third stepping motor 22B is driven. By rotating the third eccentric wheel 25B, and further driving the second stepping motor 31B to rotate the second eccentric wheel 34B to move the second eccentric wheel 35B of the second plate 33B and the fourth stepping motor 32B. The upper base 40B is tilted with respect to the lower base 10B.

  In this embodiment, since the ball joint 15B installed between the lower seat base 10B and the upper base 40B is used as a fulcrum, the first drive unit 20B and the second drive member 30B approach the fulcrum according to the lever principle. Thus, the closer it is, the larger the angle at which the upper seat 40B can tilt with respect to the lower seat 10B, and when the user adjusts the laser level 1B, the tilt angle can be adjusted widely.

  Since the laser leveler according to the present invention has the above-described configuration, the top of the laser leveler is rotated by the rotation of at least one first eccentric ring of the first drive member and at least one second eccentric ring of the second drive member. The table can be moved in contact with it, and the upper table can be freely tilted to various angles with respect to the lower table, so that the measurement accuracy can be improved by fine-tuning the laser beam from the laser level. In addition, each drive member can rotate the eccentric wheel using a stepping motor, and the upper base can be moved by the rotation of the eccentric wheel so that the laser light emitting module can be adjusted with high accuracy. Simple.

1, 1A, 1B: Laser level 10, 10A, 10B: Lower base 11, 11A: Bottom surface 12, 12A: Top surface 13, 13B: Through hole 14: Tube 15, 15B: Ball joint 20, 20A, 20: B 1st drive member 21, 21A, 21B: 1st stepping motor 22, 22B: 3rd stepping motor 23, 23B: 1st plate 231: Insertion pillars 24, 24A, 24B: 1st eccentric wheel 25, 25B: 3rd Eccentric rings 26, 26A: first base 261: insertion holes 30, 30A, 30B: second drive members 31, 31A, 31B: second stepping motors 32, 32B: fourth stepping motors 33, 33B: second plates 331 : Insertion pillars 34, 34A, 34B: Second eccentric ring 35, 35B: Fourth eccentric ring 36, 36A: Second base 361: Insertion hole 40, 40A 40B: upper base 41, 41A: bottom surface 42, 42A: upper surface 43: through hole 44: joint 50: first elastic unit 51: bolt 52: second elastic unit 60, 60A: laser light emitting modules L1, L2, L3, L4: Axis θ1: Angle θ2: Angle

Claims (10)

A lower base comprising an upper surface, a bottom surface, and a tube projecting from the upper surface;
A first stepping motor having a first output shaft and provided on the first output shaft and provided with a first eccentric ring; and provided on a lower portion of the first stepping motor and installed on an upper surface of the lower base. A first drive member comprising a first base,
A second stepping motor having a second output shaft and disposed on the second output shaft, the second stepping motor having a second eccentric ring; and a lower step of the second stepping motor; and a second stepping motor disposed on the upper surface of the lower base. A second drive member comprising a second base,
An upper base including a top surface, a bottom surface, and a joint that is coupled to the tube of the lower base so as to be tiltable so as to protrude from the bottom surface;
Both ends are coupled to the lower seat and the upper seat, respectively, and an elastic member located in the vicinity between the first drive member and the second drive member;
A laser leveling device comprising: at least one laser emitting module installed on an upper surface of the upper base. A ball joint is installed at one end of the tube,
2. The laser according to claim 1, wherein the joint portion of the upper base is pivotably coupled to the ball joint, and the upper base is freely tilted with respect to the lower base with the ball joint as a fulcrum. Level.   Between the axis L1 connecting the axis of the first drive member and the tube and the axis L2 connecting the axis of the second drive member and the upper tube, there is an angle θ1 of 30 to 180 degrees, and 2. The laser level device according to claim 1, wherein the elastic member is disposed within the range of the angle θ1. A third eccentric wheel is installed on the third output shaft so as to have a third output shaft and located above the first stepping motor, and the third eccentric wheel is in contact with the upper base. Three stepping motors,
A fourth eccentric wheel is installed on the fourth output shaft so as to have a fourth output shaft and installed above the second stepping motor, and the fourth eccentric wheel is brought into contact with the upper base. Four stepping motors,
Mounted on the third stepping motor so as to be positioned between the first stepping motor and the third stepping motor, and contacts the first eccentric wheel and moves relative to the first base. A first plate that can,
Mounted on the fourth stepping motor so as to be positioned between the second stepping motor and the fourth stepping motor, contacting the second eccentric wheel, and moving relative to the second base The laser level device according to any one of claims 1 to 3, further comprising a second plate that can be formed.   5. The laser according to claim 4, wherein an eccentric distance of the third eccentric ring is longer than an eccentric distance of the first eccentric ring, and an eccentric distance of the fourth eccentric ring is longer than an eccentric distance of the second eccentric ring. Level. A plurality of insertion holes are recessed in the first base,
In the first plate, a plurality of insertion columns that are movably inserted in the insertion holes are protruded at locations corresponding to the insertion holes,
A plurality of insertion holes are recessed in the second base,
6. The plurality of insertion columns that are movably inserted into the insertion holes at the locations corresponding to the insertion holes in the second plate, are provided in a protruding manner. Laser level.   The elastic member includes a first elastic unit and a second elastic unit, and one end of each of the first elastic unit and the second elastic unit is attached to the upper surface 12 of the lower base by one bolt, and the other end is 2 respectively. The laser level device according to claim 6, wherein the bottom surface 41 of the upper base 40 is attached by two bolts 51.   The laser level device according to claim 7, wherein the first elastic unit and the second elastic unit are disposed within an angle range formed by the first driving member and the second driving member.   9. The laser level device according to claim 8, wherein the first driving member and the second driving member are respectively installed in the vicinity of the periphery of the lower base.   9. The laser level device according to claim 8, wherein the first driving unit and the second driving member are respectively installed near the center of the lower base.

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