Portable laser demarcation device

By driving the motor and adjustment components through the PLC controller, the inconvenience of carrying and using the portable laser line projector is solved, the convenient adjustment and simplified operation of the line projector body are achieved, and the user experience is improved.

CN223361448UActive Publication Date: 2025-09-19WUXI NEW BLUEPRINT SURVEYING & MAPPING TECH CO LTD
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Patent Information

Application Number
CN202422507477.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-17
Publication Date
2025-09-19
Estimated Expiration
2034-10-17

AI Technical Summary

Technical Problem

The existing portable laser projector has inconveniences in storage and use. The manual adjustment handle is extended to affect portability, and the guide limit slide restricts the horizontal posture adjustment, making it inconvenient to use.

Method used

A PLC controller is used to drive the motor and adjustment components, including the supporting bottom shell, spherical groove, ball head connecting column, movable plate and threaded column. The tilt angle adjustment and lifting of the line casting instrument body are achieved through the hand handle and control switch, simplifying the operation process.

Benefits of technology

The line casting instrument body can be conveniently carried and placed, and can be accurately adjusted in tilt angle, which simplifies the operation steps and improves the convenience of use.

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Abstract

The utility model relates to the technical field of demarcation instruments, and discloses a portable laser demarcation instrument which comprises a demarcation instrument body, a fixing plate is fixedly installed on the bottom face of the demarcation instrument body, a protective shell is arranged outside the demarcation instrument body, a PLC is arranged on the bottom face of the demarcation instrument body, and the protective shell is connected with the PLC. The cast line device further comprises an adjusting assembly used for adjusting the inclination angle of the cast line device body, and the effect of adjusting the inclination angle of the cast line device body can be achieved through mutual cooperative use of the cast line device body, the protective shell, the supporting bottom shell, the fixed plate, the spherical groove, the ball head connecting column and the movable plate; the protective shell and the demarcation device body can be moved through the arranged handheld handle, carrying and placing are convenient, meanwhile, the demarcation device body can be lifted and the inclination angle of the demarcation device body can be finely adjusted, operation can be completed only by manually pressing a control switch, manual lifting and adjusting operation is not needed, use is convenient, and the practicability is high. And the device is practical.
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Description

Technical Field

[0001] The utility model relates to the technical field of line projection instruments, in particular to a portable laser line projection instrument. Background Art

[0002] A laser line projector, also known as a laser marking instrument or laser level, is actually a type of measuring instrument made by installing and fixing a laser device on an ordinary level telescope. During use, the laser line projector emits a laser beam, which passes through a prism light guide system to form a laser surface to project horizontal and plumb laser lines, ultimately achieving the purpose of measurement.

[0003] An existing portable laser projector (announcement number: CN217210880U) has at least the following disadvantages: in the above patent, the laser projector chassis is moved out from the inside of the telescopic storage frame by manually rotating the manual adjustment handle to drive the limit thread shaft to rotate, and the supporting guide slider is moved by a number of guide limit sliding shafts. However, after the laser projector chassis is stored, the manual adjustment handle will extend downward from the inside of the limit thread hole, making it inconvenient to place or carry. At the same time, when the laser projector chassis is used for projecting lines, a number of guide limit sliding shafts limit the horizontal posture adjustment of the laser projector chassis, making it inconvenient to use and having certain limitations. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a portable laser line projector.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A portable laser line projector includes a line projector body, a fixing plate fixedly mounted on the bottom surface of the line projector body, a protective shell provided on the outside of the line projector body, a PLC controller provided on the bottom surface of the line projector body, and an adjustment component for adjusting the inclination angle of the line projector body, the adjustment component being provided on the outside of the protective shell, and the adjustment component comprising: a supporting bottom shell, the supporting bottom shell being fixedly sleeved on the outside of the protective shell.

[0007] As a further solution of the present invention, spherical grooves are respectively provided on three sides of the fixed plate, a ball head connecting column is movably sleeved on the inner circular wall surface of the spherical groove, a movable plate is fixedly installed on one end of the ball head connecting column, a threaded hole is provided on the top surface of the movable plate, a threaded column is threadedly connected to the inner circular wall surface of the threaded hole, two arc-shaped limiting plates are respectively fixedly installed on the three inner sides of the protective shell, the arc-shaped limiting plates are movably sleeved with the movable plate, a plurality of fixing holes are provided on the bottom surface of the protective shell, the fixing holes are movably sleeved with the threaded column, Several support plates are fixedly installed on the bottom surface of the protective shell, a drive motor is fixedly installed on one side of the support plate, the drive motor is electrically connected to the PLC controller, the top surface of the drive shaft of the drive motor is fixedly installed on the threaded column, a control switch is fixedly installed on one side of the protective shell, the control switch is electrically connected to the PLC controller, the PLC controller is fixedly installed on the inner bottom surface of the supporting bottom shell, two fixed tubes are fixedly installed on the outside of the protective shell, and a hand handle is movably sleeved on the inner circular wall of the fixed tube.

[0008] As a further solution of the present invention, a plurality of second limiting plates are provided inside the protective shell, the second limiting plates are fixedly installed with the arc-shaped limiting plates, and a limiting hole is provided on the top surface of the second limiting plate, and the limiting hole is movably connected with the threaded column.

[0009] As a further solution of the present invention, a plurality of threaded rings are fixedly mounted on the bottom surface of the supporting bottom shell, and the inner circumferential wall surfaces of the threaded rings are threadedly connected to threaded pipes.

[0010] As a further solution of the present invention, a protective cover is provided on the top surface of the protective shell, a hinge is fixedly installed on one side of the protective cover, and the protective shell and the protective cover are connected through the hinge.

[0011] As a further solution of the present invention, a buckle sub-body is fixedly installed on one side of the protective cover, and a buckle mother body is fixedly installed on one side of the protective shell, and the buckle mother body is buckled with the buckle sub-body.

[0012] As a further solution of the present invention, a battery is fixedly mounted on the inner bottom surface of the supporting bottom shell, and the battery is electrically connected to the PLC controller.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] By using the provided line casting instrument body, protective shell, supporting bottom shell, fixed plate, spherical groove, ball head connecting column and movable plate in coordination with each other, the inclination angle of the line casting instrument body can be adjusted, so that the protective shell and the line casting instrument body can be moved by the provided hand handle, which is convenient for carrying and placing. At the same time, the line casting instrument body can be raised and lowered and its inclination angle can be fine-tuned, and the operation can be completed by manually pressing the control switch, without the need for manual lifting and adjustment operations, which is convenient to use and more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a portable laser line projector proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the portable laser line projector proposed in the present invention;

[0017] Figure 3 This is a schematic diagram of the ball head connecting column structure of a portable laser line projector proposed in the utility model;

[0018] Figure 4 This is a schematic diagram of the spherical groove structure of a portable laser line projector proposed in the utility model;

[0019] Figure 5 This is a schematic diagram of the fixing hole structure of a portable laser line projector proposed in the utility model.

[0020] In the figure: 1. Line casting instrument body; 2. Protective shell; 3. Support bottom shell; 4. Fixed plate; 5. Spherical groove; 6. Ball head connecting column; 7. Moving plate; 8. Threaded hole; 9. Threaded column; 10. Driving motor; 11. Support plate; 12. Arc limit plate; 13. Hand handle; 14. Second limit plate; 15. Limit hole; 16. Threaded ring; 17. Threaded tube; 18. Protective cover; 19. Buckle mother body; 20. Buckle sub-body; 21. Control switch; 22. Battery; 23. Fixing hole; 24. Fixing tube. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0024] Reference Figure 1-Figure 5 A portable laser line projector includes a line projector body 1, the line projector body 1 model is Dongcheng-MTX41, a fixed plate 4 is fixedly installed on the bottom surface of the line projector body 1, a protective shell 2 is provided on the outside of the line projector body 1, a PLC controller is provided on the bottom surface of the line projector body 1, and an adjustment component for adjusting the inclination angle of the line projector body 1 is provided, and the adjustment component is provided on the outside of the protective shell 2. The adjustment component includes: a supporting bottom shell 3, the supporting bottom shell 3 is fixedly sleeved on the outside of the protective shell 2, and a spherical groove 5 is respectively opened on three sides of the fixed plate 4. The inner circular wall surface of the spherical groove 5 is movably sleeved with a ball head connecting column 6, and one end of the ball head connecting column 6 is fixedly installed with a movable plate 7, and the top surface of the movable plate 7 is opened with a threaded hole 8, and the inner circular wall surface of the threaded hole 8 is threadedly connected with a threaded column 9, and the protective Two arc-shaped limit plates 12 are fixedly installed on the three inner sides of the shell 2, and the arc-shaped limit plates 12 are movably connected to the movable plate 7. A number of fixing holes 23 are opened on the bottom surface of the protective shell 2, and the fixing holes 23 are movably connected to the threaded column 9. A number of support plates 11 are fixedly installed on the bottom surface of the protective shell 2. A drive motor 10 is fixedly installed on one side of the support plate 11. The drive motor 10 is electrically connected to the PLC controller. The top surface of the drive shaft of the drive motor 10 is fixedly installed on the threaded column 9. A control switch 21 is fixedly installed on one side of the protective shell 2. The control switch 21 is electrically connected to the PLC controller. The PLC controller is fixedly installed on the inner bottom surface of the supporting bottom shell 3. Two fixed tubes 24 are fixedly installed on the outside of the protective shell 2, and the inner circular wall surface of the fixed tube 24 is movably connected with a hand handle 13.

[0025] In this embodiment, a plurality of second limiting plates 14 are provided inside the protective shell 2, and the second limiting plates 14 are fixedly installed with the arc-shaped limiting plates 12. A limiting hole 15 is provided on the top surface of the second limiting plate 14, and the limiting hole 15 is movably connected with the threaded column 9. A plurality of threaded rings 16 are fixedly installed on the bottom surface of the supporting bottom shell 3, and the inner circular wall surface of the threaded ring 16 is threadedly connected with a threaded tube 17. A protective cover 18 is provided on the top surface of the protective shell 2, and a hinge is fixedly installed on one side of the protective cover 18. The protective shell 2 and the protective cover 18 are connected through the hinge. A buckle sub-body 20 is fixedly installed on one side of the protective cover 18, and a buckle mother body 19 is fixedly installed on one side of the protective shell 2. The buckle mother body 19 is buckled with the buckle sub-body 20. A battery 22 is fixedly installed on the inner bottom surface of the supporting bottom shell 3, and the battery 22 is electrically connected to the PLC controller.

[0026] From the above description, it can be seen that the above embodiment of the present invention achieves the following technical effects: by setting up the line casting instrument body 1, when the user needs to use the line casting instrument body 1, the user can lift the protective shell 2 by holding the handle 13 and then move the line casting instrument body 1 to the use location, release the buckle mother body 19 and the buckle sub-body 20, and then manually press the control switch 21 to make several drive motors 10 drive the threaded column 9 to rotate, so that the threaded column 9 and the threaded hole 8 convert the rotational motion into linear motion, so that the movable plate 7 moves upward at the same time as the arc limit plate 12, so that the moving movable plate 7 drives the ball head connecting column 6 to move upward and push the spherical groove 5 and the fixed plate 4 so that the line casting instrument body 1 is pushed upward and moved out of the inside of the protective shell 2. After moving out, the line casting instrument body 1 is started again. Therefore, when the line casting instrument body 1 is positioned in a non-horizontal state and needs to be adjusted, the threaded tube 17 is rotated to move up and down inside the threaded ring 16, thereby roughly adjusting the horizontal angle of the protective shell 2. At this time, By selecting the drive motor 10 that needs to be adjusted through the control switch 21 provided, the drive motor 10 is started to drive the threaded column 9 to rotate forward or reverse so that the movable plate 7 drives the ball head connecting column 6 to move up and down, thereby causing the ball head connecting column 6 to rotate inside the spherical groove 5, causing the corresponding side of the fixed plate 4 to rise or fall slightly, thereby causing the line casting instrument body 1 to move upward or tilt upward. The other two angles of the fixed plate 4 are adjusted in the above manner so that the line casting instrument body 1 remains in a horizontal state, and then it can be used. After use, the drive motor 10 is started to move the line casting instrument body 1 downward and reset, thereby achieving the effect of adjusting the inclination angle of the line casting instrument body 1. The protective shell 2 and the line casting instrument body 1 can be moved by the provided hand handle 13, which is convenient for carrying and placing. At the same time, the line casting instrument body 1 can be raised and lowered and its inclination angle can be fine-tuned, and the operation can be completed by manually pressing the control switch 21. There is no need for manual lifting and adjustment operations, which is convenient to use and more practical.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A portable laser line projector, comprising a line projector body (1), a fixing plate (4) fixedly mounted on the bottom surface of the line projector body (1), a protective shell (2) provided on the outside of the line projector body (1), and a PLC controller provided on the bottom surface of the line projector body (1), characterized in that: It also includes an adjustment component for adjusting the tilt angle of the line casting instrument body (1), the adjustment component is arranged outside the protective shell (2), and the adjustment component includes: a supporting bottom shell (3), and the supporting bottom shell (3) is fixedly sleeved on the outside of the protective shell (2).

2. A portable laser line projector according to claim 1, characterized in that: The adjustment assembly further comprises: spherical grooves (5) are respectively provided on three sides of the fixed plate (4); the inner wall surface of the spherical groove (5) is movably connected with a ball head connecting column (6); one end of the ball head connecting column (6) is fixedly mounted with a movable plate (7); the top surface of the movable plate (7) is provided with a threaded hole (8); the inner wall surface of the threaded hole (8) is threadedly connected with a threaded column (9); two arc-shaped limiting plates (12) are respectively fixedly mounted on three sides of the interior of the protective shell (2); the arc-shaped limiting plates (12) are movably connected with the movable plate (7); the bottom surface of the protective shell (2) is provided with a plurality of fixing holes (23); the fixing holes (23) are movably connected with the threaded column (9); A plurality of support plates (11) are fixedly mounted on the bottom surface of the protective shell (2), a drive motor (10) is fixedly mounted on one side of the support plate (11), the drive motor (10) is electrically connected to the PLC controller, the top surface of the drive shaft of the drive motor (10) is fixedly mounted on the threaded column (9), a control switch (21) is fixedly mounted on one side of the protective shell (2), the control switch (21) is electrically connected to the PLC controller, the PLC controller is fixedly mounted on the inner bottom surface of the supporting bottom shell (3), two fixed tubes (24) are fixedly mounted on the outside of the protective shell (2), and a hand handle (13) is movably sleeved on the inner circular wall surface of the fixed tube (24).

3. A portable laser line projector according to claim 2, characterized in that: A plurality of second limiting plates (14) are provided inside the protective shell (2), the second limiting plates (14) are fixedly mounted on the arc-shaped limiting plates (12), and limiting holes (15) are provided on the top surfaces of the second limiting plates (14), and the limiting holes (15) are movably sleeved with the threaded columns (9).

4. The portable laser line projector according to claim 1, characterized in that: A plurality of threaded rings (16) are fixedly mounted on the bottom surface of the supporting bottom shell (3), and a threaded tube (17) is threadedly connected to the inner wall surface of the threaded ring (16).

5. The portable laser line projector according to claim 1, characterized in that: A protective cover (18) is provided on the top surface of the protective shell (2), a hinge is fixedly mounted on one side of the protective cover (18), and the protective shell (2) and the protective cover (18) are connected via the hinge.

6. The portable laser line projector according to claim 5, characterized in that: A buckle sub-body (20) is fixedly mounted on one side of the protective cover (18), and a buckle mother body (19) is fixedly mounted on one side of the protective shell (2), wherein the buckle mother body (19) is buckled with the buckle sub-body (20).

7. The portable laser line projector according to claim 1, characterized in that: A battery (22) is fixedly mounted on the inner bottom surface of the supporting bottom shell (3), and the battery (22) is electrically connected to the PLC controller.

Citation Information

Patent Citations

  • Portable laser demarcation device

    CN217210880U