Multifunctional laser range finder

Abstract

The utility model discloses a multifunctional laser range finder including a housing, a laser range finding module, a positioning block and a measuring tape module, the laser range finding module is arranged in the housing, the laser range finding module is used for laser range finding, the measuring tape module is arranged in the housing, a first side wall of the housing is provided with an opening for drawing out and rolling up the measuring tape module, and a second side wall of the housing is provided with a second side wall. The second side wall of the housing is provided with an installation port, and the positioning block is used for a user to press the positioning block to limit the drawing and rolling of the tape module, thereby facilitating the reading of data.

Description

Technical Field

[0001] The utility model relates to the technical field of laser rangefinders, in particular to a multifunctional laser rangefinder. Background Art

[0002] A laser rangefinder is an instrument that uses a certain parameter of modulated laser to measure the distance to a target. The laser rangefinder first emits a beam of laser, which will be reflected by the target object. The receiver of the rangefinder then receives the reflected laser. The calculation circuit measures the time difference from the laser rangefinder emitting the laser to receiving the reflected light from the target. Finally, the distance from the laser rangefinder to the target object is obtained through physical calculation. Compared with traditional measuring equipment such as tape measures, it is more convenient to use and the measurement results are more accurate. However, the measurement distance of the laser rangefinder is limited.

[0003] Therefore, how to improve the range of laser rangefinder has become the focus of attention of relevant personnel in this field. Utility Model Content

[0004] In view of this, the utility model provides a multifunctional laser rangefinder, which is used to solve the problem that the laser rangefinder in the prior art has a limited measurement range and cannot perform short-distance measurement.

[0005] In order to achieve one or part or all of the above-mentioned purposes or other purposes, the utility model proposes a multifunctional laser rangefinder, including a shell, a laser rangefinder module, a positioning block and a tape measure module, the laser rangefinder module is arranged in the shell, the laser rangefinder module is used for laser ranging, the tape measure module is arranged in the shell, an opening for the tape measure module to be pulled out and rolled up is opened on the first side wall of the shell, an installation port is opened on the second side wall of the shell, and the positioning block is used for a user to press the positioning block to limit the pulling out and rolling up of the tape measure module.

[0006] Preferably, the positioning block is provided with two protrusions, which are respectively located on both sides of the installation opening, and the two protrusions are used to limit the positioning block from sliding out through the installation opening.

[0007] Preferably, the tape measure module comprises a rotating disk and a tape measure, wherein the rotating disk is disposed in the housing, the tape measure is wound on the rotating disk, one end of the tape measure is fixed on the rotating disk, and the other end of the tape measure passes through the opening.

[0008] Preferably, one end of the positioning block protrudes to form a pressing block, and the pressing block is exposed at the installation opening.

[0009] Preferably, the other end of the positioning block is recessed to form a positioning groove, and when the pressing block is pressed, the positioning groove abuts against the rotating disk.

[0010] Preferably, the positioning groove is in an arc shape and has the same arc as that of the rotating disk.

[0011] Preferably, an avoidance groove is provided on the shell, the avoidance groove is communicated with the opening, and the limiting piece of the tape measure is rolled into the avoidance groove.

[0012] Preferably, the shell includes an upper shell and a lower shell, the upper shell and the lower shell are connected, a first through hole is opened on the second side wall of the upper shell, a second through hole is opened on the second side wall of the lower shell, the first through hole and the second through hole are combined to form the installation port, and the opening is located on the lower shell.

[0013] Preferably, the laser ranging module includes an operation button, a display screen, a PCB board and a laser component. The operation button is installed on the upper shell, and the lower end abuts against the button position on the PCB board. The laser component is electrically connected to the PCB board, and the display screen is electrically connected to the laser component.

[0014] Preferably, the operation button includes a first operation button and a second operation button, the first operation button and the second operation button are both in contact with the key position of the PCB board, the first operation button is pressed to make the PCB board control the laser assembly, a cross-line laser tube is also arranged in the shell, the cross-line laser tube is electrically connected to the PCB board, the second operation button is pressed to make the PCB board control the cross-line laser tube, a laser port is opened on the shell, and the laser of the cross-line laser tube is transmitted through the laser port.

[0015] Implementing the embodiments of the present utility model will have the following beneficial effects:

[0016] After adopting the above-mentioned multifunctional laser rangefinder, the laser rangefinder module can realize laser ranging, one end of the tape measure module passes through the opening, and the tape measure module is pulled out and rolled up through the opening, and short-distance measurement is achieved through the tape measure module. A positioning block is provided at the installation opening, and the positioning block is pressed to limit the pulling out and rolling up of the tape measure module, which makes it more convenient to read data, and solves the problem that the laser rangefinder in the prior art has a limited measuring range and cannot perform short-distance measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] in:

[0019] Figure 1 A schematic diagram of the overall structure of a multifunctional laser rangefinder in one embodiment;

[0020] Figure 2 A schematic diagram of an exploded structure of a multifunctional laser rangefinder in one embodiment;

[0021] Figure 3 A schematic diagram of the structure of a housing of a multifunctional laser rangefinder in one embodiment;

[0022] Figure 4 The figure is a schematic diagram of the structure of a positioning block of a multifunctional laser rangefinder in one embodiment.

[0023] Explanation of the accompanying drawings: 1. Shell; 11. Upper shell; 111. First through hole; 112. Screen opening; 113. Key opening; 12. Lower shell; 121. Second through hole; 122. Central axis; 123. Opening; 124. Avoidance groove; 13. Mounting cavity; 14. Mounting opening; 15. Laser opening; 2. Laser ranging module; 21. Operation button; 211. First operation button; 212. Second operation button; 22. Display screen; 23. PCB board; 24. Laser assembly; 3. Tape measure module; 31. Fixed seat; 311. Mounting hole; 32. Rotating disk; 33. Tape measure; 34. Positioning block; 342. Pressing block; 343. Bump; 344. Positioning groove; 4. Cross-line laser tube; 5. Mounting frame. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1 and Figure 2The embodiment of the utility model proposes a multifunctional laser rangefinder, including a shell 1, a laser rangefinder module 2, a tape measure module 3, a cross-line laser tube 4 and a positioning block 34. The shell 1 is provided with an installation cavity 13, the laser rangefinder module 2, the tape measure module 3 and the cross-line laser tube 4 are all installed in the installation cavity 13, and the laser rangefinder module 2 is located at the upper end of the installation cavity 13, the tape measure module 3 and the cross-line laser tube 4 are both located at the lower end of the installation cavity 13, and the tape measure module 3 and the cross-line laser tube 4 are distributed left and right. In other embodiments, the cross-line laser tube 4 can also be a straight line laser tube. The laser rangefinder module 2 measures distance by laser, and the tape measure module 3 is also used for distance measurement. Short-distance measurement can be performed by the tape measure module 3, which overcomes the problem that the laser rangefinder has a measurement blind spot when the measurement range is too small and cannot perform short-distance measurement, thereby improving the measurement range of the laser rangefinder. The positioning block 34 is used to limit the extraction and winding of the tape measure module 3, so as to facilitate data reading.

[0026] Reference Figure 3 The shell 1 includes an upper shell 11 and a lower shell 12, and the installation cavity 13 is formed by connecting the upper shell 11 and the lower shell 12, wherein a first through hole 111 is opened on the second side wall of the upper shell 11, and a second through hole 121 is opened on the second side wall of the lower shell 12, and the first through hole 111 and the second through hole 121 are combined to form an installation opening 14, wherein the second side wall is the side wall of the shell 1 in the length direction.

[0027] Reference Figure 2 The tape measure module 3 includes a fixed seat 31, a rotating disk 32, a tape measure 33 and a positioning block 34. A mounting hole 311 is provided on the bottom surface of the fixed seat 31, and a central shaft 122 is provided on the lower shell 12. The central shaft 122 is connected to the mounting hole 311, thereby realizing the connection between the fixed seat 31 and the lower shell 12. The middle of the rotating disk 32 is a hollow structure. The rotating disk 32 is sleeved on the central shaft 122, so that the central shaft 122 passes through the rotating disk 32 and is connected to the mounting hole 311, and is clamped on the fixed seat 3 1 and the inner wall of the lower shell 12, so that the rotating disk 32 is firmly clamped between the lower shell 12 and the fixing seat 31, the measuring tape 33 is wound on the rotating disk 32, and one end of the measuring tape 33 is fixed on the rotating disk 32, and the other end of the measuring tape 33 is exposed from the mounting cavity 13, and the positioning block 34 is installed at the mounting opening 14 and is located at the side of the measuring tape 33. After the measuring tape 33 is drawn out, the drawing out and winding up of the measuring tape 33 can be limited by pressing the positioning block 34, so as to facilitate measurement by the measuring tape 33.

[0028] Reference Figure 2 and Figure 3An opening 123 is provided on the first side wall of the lower shell 12, and the other end of the measuring tape 33 extends out through the opening 123. The opening 123 is used for the measuring tape 33 to be drawn out and wound up. At the same time, the limiting piece of the measuring tape 33 is stuck on the outside of the opening 123 to prevent the measuring tape 33 from rebounding into the installation cavity 13, which is inconvenient to be drawn out. The first side wall is the side wall in the width direction of the shell 1, and an avoidance groove 124 is provided on the shell 1. The avoidance groove 124 is connected with the opening 123. When the measuring tape 33 is wound up, the limiting piece of the measuring tape 33 is retracted into the avoidance groove 124.

[0029] Reference Figure 2 and Figure 4 One end of the positioning block 34 protrudes outward to form a pressing block 342, and the pressing block 342 is exposed at the installation opening 14. The other end of the positioning block 34 is recessed outward to form a positioning groove 344. The positioning groove 344 is arc-shaped and has the same arc as the rotating disk 32, so that the positioning groove 344 can abut against the rotating disk 32, thereby limiting the rotation of the rotating disk 32, so as to limit the winding and withdrawal of the measuring tape 33.

[0030] Reference Figure 2 and Figure 4 The positioning block 34 is provided with two protrusions 343 , and the two protrusions 343 are respectively located at the left and right sides of the installation opening 14 , and the positioning block 34 is restricted from sliding out of the installation opening 14 by the protrusions 343 .

[0031] Reference Figure 2 and Figure 3 A mounting frame 5 is provided in the mounting cavity 13, and the mounting frame 5 is located at the upper end of the mounting cavity 13. The mounting frame 5 divides the upper half of the mounting cavity 13 into two chambers. The chamber below the mounting frame 5 is the lower chamber, and the chamber above the mounting frame 5 is the upper chamber, thereby facilitating the installation of the laser ranging module 2.

[0032] Reference Figure 2The laser ranging module 2 includes an operation button 21, a display screen 22, a PCB board 23 and a laser component 24. The PCB board 23 is installed on the mounting frame 5 and is located in the lower chamber. The operation button 21 is installed on the upper shell 11, and the lower end is abutted against the button position on the PCB board 23. The laser component 24 is electrically connected to the PCB board 23, and the display screen 22 is electrically connected to the laser component 24, so as to realize the control between the operation button 21, the display screen 22 and the laser component 24. By pressing the operation button 21, the PCB board 23 starts the laser component 24. The test result of the laser component 24 is displayed on the display screen 22, so as to facilitate intuitive observation of data. Among them, the size of the laser component 24 can be adjusted according to actual needs. The laser component 24 includes a laser, a receiver and a ranging component. Specifically, the display screen 22 is electrically connected to the ranging component. The laser is used to emit laser light, and the receiver is used to receive laser light reflected back by the target object. The distance is calculated by the ranging component.

[0033] Reference Figure 2 The laser assembly 24 is installed in the lower chamber, the display screen 22 is installed in the upper chamber, a screen opening 112 and a button opening 113 are opened on the upper shell 11, the operation button 21 is abutted against the button position of the PCB board 23, the upper end of the operation button 21 is exposed at the button opening 113, the lower end of the display screen 22 is electrically connected to the ranging component of the laser assembly 24, and the upper end of the display screen 22 is exposed at the screen opening 112.

[0034] Reference Figure 2 The operation button 21 includes a first operation button 211 and a second operation button 212. The first operation button 211 and the second operation button 212 are both in contact with the key position of the PCB board 23. Pressing the first operation button 211 allows the PCB board 23 to control the laser assembly 24. Pressing the second operation button 212 allows the PCB board 23 to control the cross-line laser tube 4. A laser port 15 is provided on the housing 1, and the laser of the cross-line laser tube 4 is transmitted through the laser port 15.

[0035] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A multifunctional laser rangefinder, characterized in that: The invention comprises a housing (1), a laser distance measuring module (2), a positioning block (34) and a tape measure module (3), wherein the laser distance measuring module (2) is arranged in the housing (1), the laser distance measuring module (2) is used for laser distance measuring, the tape measure module (3) is arranged in the housing (1), an opening (123) for drawing out and winding up the tape measure module (3) is provided on a first side wall of the housing (1), a mounting opening (14) is provided on a second side wall of the housing (1), and the positioning block (34) is used for a user to press the positioning block (34) to limit the drawing out and winding up of the tape measure module (3); The housing (1) comprises an upper shell (11) and a lower shell (12); the upper shell (11) and the lower shell (12) are connected to form a mounting cavity (13); a first through hole (111) is provided on the second side wall of the upper shell (11); a second through hole (121) is provided on the second side wall of the lower shell (12); the first through hole (111) and the second through hole (121) are combined to form the mounting opening (14); and the opening (123) is located on the lower shell (12); A mounting frame (5) is arranged in the mounting cavity (13), and the mounting frame (5) is located at the upper end of the mounting cavity (13); the mounting frame (5) divides the upper half of the mounting cavity (13) into two chambers, the chamber located below the mounting frame (5) is the lower chamber, and the chamber located above the mounting frame (5) is the upper chamber; The laser distance measurement module (2) comprises an operation button (21), a display screen (22), a PCB board (23) and a laser assembly (24); the PCB board (23) is mounted on the mounting frame (5) and is located in the lower chamber; the laser assembly (24) is mounted in the lower chamber; the display screen (22) is mounted in the upper chamber; the operation button (21) is mounted on the upper shell (11) and the lower end thereof abuts against a button position on the PCB board (23); the laser assembly (24) is electrically connected to the PCB board (23); and the display screen (22) is electrically connected to the laser assembly (24).

2. A multifunctional laser rangefinder as claimed in claim 1, characterized in that: The positioning block (34) is provided with two protrusions (343) which are respectively located on both sides of the installation opening (14); the two protrusions (343) are used to limit the positioning block (34) from sliding out through the installation opening (14).

3. A multifunctional laser rangefinder as claimed in claim 1, characterized in that: The tape measure module (3) comprises a rotating disk (32) and a tape measure (33), wherein the rotating disk (32) is arranged in the housing (1), the tape measure (33) is wound on the rotating disk (32), one end of the tape measure (33) is fixed on the rotating disk (32), and the other end of the tape measure (33) passes through the opening (123).

4. A multifunctional laser rangefinder as claimed in claim 3, characterized in that: One end of the positioning block (34) protrudes to form a pressing block (342), and the pressing block (342) is exposed at the installation opening (14).

5. A multifunctional laser rangefinder as claimed in claim 4, characterized in that: The other end of the positioning block (34) is recessed to form a positioning groove (344); when the pressing block (342) is pressed, the positioning groove (344) abuts against the rotating disk (32).

6. A multifunctional laser rangefinder as claimed in claim 5, characterized in that: The positioning groove (344) is in an arc shape and has the same arc as that of the rotating disk (32).

7. A multifunctional laser rangefinder as claimed in claim 6, characterized in that: The housing (1) is provided with an escape groove (124), the escape groove (124) is in communication with the opening (123), and the limiting piece of the measuring tape (33) is rolled into the escape groove (124).

8. A multifunctional laser rangefinder as claimed in claim 1, characterized in that: The operation button (21) comprises a first operation button (211) and a second operation button (212); the first operation button (211) and the second operation button (212) are both in contact with a button position on the PCB board (23); the first operation button (211) is pressed so that the PCB board (23) controls the laser assembly (24); a cross-line laser tube (4) is also arranged in the housing (1); the cross-line laser tube (4) is electrically connected to the PCB board (23); the second operation button (212) is pressed so that the PCB board (23) controls the cross-line laser tube (4); a laser port (15) is provided on the housing (1); laser light from the cross-line laser tube (4) is emitted through the laser port (15).

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