Laser range finder convenient to quickly install and adjust

Abstract

A laser range finder convenient for rapid installation and adjustment comprises an emission lens, an emission reducing sleeve, an emission light source, a receiving lens and a detector assembly, the emission lens and the emission light source are respectively installed at two ends of the emission reducing sleeve along the axial direction, and the emission light source can emit range finding laser to a target through the emission lens. The receiving lens can receive laser echoes reflected by a target, and the detector assembly calculates the distance of the target according to the laser echoes; a dovetail protruding part is arranged on the side face of the transmitting reducing sleeve, a dovetail groove is formed in the side face of the receiving lens, the transmitting reducing sleeve and the receiving lens are connected in the mode that the dovetail protruding part is installed in the dovetail groove, separation of the transmitting reducing sleeve and the receiving lens is limited through the pressing plate, and a gasket is arranged between the pressing plate and the transmitting reducing sleeve or between the pressing plate and the receiving lens. When the thickness of the gasket is changed, the mutual positions of the transmitting adapter sleeve and the receiving lens along the length directions of the dovetail groove and the dovetail protruding part can be finely adjusted, and the relative positions of the transmitting lens and the receiving lens can be quickly and flexibly changed.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser ranging equipment field especially relates to a laser range finder convenient to quick installation and adjustment. BACKGROUND

[0002] Laser distance sensor, also called laser range finder, is an instrument for accurately measuring the distance of target, and has the advantages of simple operation, high measurement precision, long action distance and strong anti-interference ability, and is widely used in military and civil fields. The existing laser range finder mainly comprises a transmitting lens, a transmitting light source, a receiving lens and a detector assembly, the transmitting light source emits ranging laser to the target through the transmitting lens, the receiving lens receives the laser echo reflected by the target, and the detector assembly calculates the distance of the target according to the laser echo. In actual use, the transmitting lens and the transmitting light source are usually connected along the axial direction, and the receiving lens and the detector assembly are also connected along the axial direction. However, the relative position of the transmitting lens and the receiving lens needs to be finally ensured. However, the existing laser range finder is troublesome to install and adjust, and it is difficult to continuously adjust the position and quickly install and fine-tune the transmitting lens and the receiving lens. SUMMARY

[0003] The utility model aims at providing a laser range finder convenient to quick installation and adjustment, which can simply and conveniently adjust the relative position of the transmitting lens and the receiving lens.

[0004] The utility model discloses a technical scheme that is adopted to solve the above technical problems: a laser range finder convenient for quick assembling and adjusting, which comprises a transmitting lens, a transmitting adapter sleeve, a transmitting light source, a receiving lens and a detector assembly, the transmitting lens and the transmitting light source are respectively installed at the two ends of the transmitting adapter sleeve along the axial direction, the transmitting light source can emit ranging laser to a target through the transmitting lens, the receiving lens can receive the laser echo reflected by the target, the receiving lens is located at the side of the transmitting lens and the transmitting adapter sleeve along the radial direction, the detector assembly is located at the side of the transmitting light source along the radial direction, one end of the detector assembly and the receiving lens is connected along the axial direction, so that the detector assembly can calculate the distance of the target according to the laser echo, the side of the transmitting adapter sleeve facing the receiving lens is provided with a dovetail convex part, the side of the receiving lens facing the transmitting adapter sleeve is provided with a dovetail groove, the two sides of the length direction of the dovetail groove are both open, the dovetail convex part is clamped in the dovetail groove, a screw through hole is formed in the transmitting adapter sleeve, the screw through hole is located at one side of the dovetail convex part and parallel to the length direction of the dovetail convex part, the two sides of the length direction of the dovetail groove and the dovetail convex part are respectively provided with a pressing plate, the pressing plate covers the dovetail groove, the dovetail convex part and the aperture of the screw through hole, a positioning screw is arranged in the screw through hole and penetrates the two pressing plates, so as to limit the separation of the dovetail convex part from the dovetail groove, a gasket is arranged between the pressing plate and the transmitting adapter sleeve or between the pressing plate and the receiving lens, and the mutual position of the transmitting adapter sleeve and the receiving lens along the length direction of the dovetail groove and the dovetail convex part can be adjusted by changing the thickness of the gasket.

[0005] The outer side of the transmitting lens and the receiving lens is matched with a lens outer frame.

[0006] The positioning screw is an internal hexagonal screw.

[0007] According to the above technical scheme, the utility model has the beneficial effects that:

[0008] The utility model connects the transmitting adapter sleeve and the receiving lens through the way that the dovetail convex part is arranged in the dovetail groove, and separates the two by the pressing plates on the two sides of the dovetail convex part and the dovetail groove, a gasket is arranged between the pressing plate and the transmitting adapter sleeve or between the pressing plate and the receiving lens, when the thickness of the gasket changes, the mutual position of the transmitting adapter sleeve and the receiving lens along the length direction of the dovetail groove and the dovetail convex part can be finely adjusted, so the adjustment process only needs to loosen the positioning screw first, then take out or put in more gaskets and tighten the positioning screw again, if the position is not adjusted properly, loosen the positioning screw again and change the gasket, the whole process is very simple, and it is convenient for continuous adjustment, and the relative position of the transmitting lens and the receiving lens can be quickly and flexibly changed. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a principle block diagram of the laser range finder;

[0010] Figure 2This is a schematic diagram of a laser rangefinder;

[0011] Figure 3 A top view showing the removal of the pressure plate and positioning screws.

[0012] The markings in the diagram are: 1. Transmitting lens, 2. Transmitting adapter sleeve, 3. Transmitting light source, 4. Receiving lens, 5. Detector assembly, 6. Lens frame, 7. Pressure plate, 8. Positioning screw, 9. Dovetail protrusion, 10. Screw through hole. Detailed Implementation

[0013] Referring to the attached diagram, the specific implementation method is as follows:

[0014] like Figures 1-2 As shown, a laser rangefinder that is easy to assemble and adjust quickly includes a transmitting lens 1, a transmitting adapter sleeve 2, a transmitting light source 3, a receiving lens 4, and a detector assembly 5. The transmitting lens 1 and the transmitting light source 3 are respectively installed at both ends of the transmitting adapter sleeve 2 along the axial direction. The transmitting light source 3 can emit a range-finding laser to the target through the transmitting lens 1, and the receiving lens 4 can receive the laser echo reflected by the target. The receiving lens 4 is located on one side of the transmitting lens 1 and the transmitting adapter sleeve 2 along the radial direction. The detector assembly 5 is located on one side of the transmitting light source 3 along the radial direction. The detector assembly 5 is connected to one end of the receiving lens 4 along the axial direction so that the detector assembly 5 can calculate the target distance based on the laser echo.

[0015] like Figures 2-3 As shown, the transmitting adapter sleeve 2 has a dovetail protrusion 9 on the side facing the receiving lens 4, and a dovetail groove on the side facing the transmitting adapter sleeve 2. Both sides of the dovetail groove are open along its length. The dovetail protrusion 9 is fitted into the dovetail groove. A screw through hole 10 is provided on the transmitting adapter sleeve 2. The screw through hole 10 is located on one side of the dovetail protrusion 9 and is parallel to the length direction of the dovetail protrusion 9. Pressure plates 7 are provided on both sides of the dovetail groove and the dovetail protrusion 9 along their length directions, and the pressure plates 7 cover the dovetail protrusion. The slot, the dovetail protrusion 9 and the screw through hole 10 are provided with a positioning screw 8 inside the screw through hole 10. The positioning screw 8 is an internal hexagonal screw. The positioning screw 8 passes through the two pressure plates 7, so that the two pressure plates 7 can cooperate to restrict the dovetail protrusion 9 from disengaging from the dovetail slot. A shim is provided between the pressure plate 7 and the transmitting adapter sleeve 2 or between the pressure plate 7 and the receiving lens 4. By changing the thickness of the shim, the relative positions of the transmitting adapter sleeve 2 and the receiving lens 4 along the length direction of the dovetail slot and the dovetail protrusion 9 can be adjusted.

[0016] The connection between the transmitting adapter sleeve 2 and the receiving lens 4 is achieved by the way of the dovetail protrusion 9 being inserted into the dovetail groove, and the separation between the two is limited by the cooperation of the pressing plates 7 on both sides of the dovetail protrusion 9 and the dovetail groove. Since the gaskets are arranged between the pressing plates 7 and the transmitting adapter sleeve 2 or between the pressing plates 7 and the receiving lens 4, when the thickness of the gaskets changes, the mutual position of the transmitting adapter sleeve 2 and the receiving lens 4 along the length direction of the dovetail groove and the dovetail protrusion 9 can be finely adjusted. Therefore, the adjustment process only needs to loosen the positioning screw 8 first, then take out or put in more gaskets, and then tighten the positioning screw 8. If the position adjustment is not appropriate, the positioning screw 8 is loosened again to change the gaskets. Finally, through the cooperation of the lens outer frame 6 installed on the outside of the transmitting lens 1 and the receiving lens 4, the relative position of the transmitting lens 1 and the receiving lens 4 can be accurately ensured. The whole process is extremely simple and can be continuously fine-tuned multiple times.

Claims

1. A laser rangefinder that is easy to assemble and adjust quickly, characterized in that: The device includes a transmitting lens (1), a transmitting adapter sleeve (2), a transmitting light source (3), a receiving lens (4), and a detector assembly (5). The transmitting lens (1) and the transmitting light source (3) are respectively installed at both ends of the transmitting adapter sleeve (2) along the axial direction. The transmitting light source (3) can emit a ranging laser to the target through the transmitting lens (1). The receiving lens (4) can receive the laser echo reflected by the target. The receiving lens (4) is located on one side of the transmitting lens (1) and the transmitting adapter sleeve (2) along the radial direction. The detector assembly (5) is located on one side of the transmitting light source (3) along the radial direction. The detector assembly (5) is connected to one end of the receiving lens (4) along the axial direction so that the detector assembly (5) can calculate the target distance based on the laser echo. The side of the transmitting adapter sleeve (2) facing the receiving lens (4) is provided with a dovetail protrusion (9), and the side of the receiving lens (4) facing the transmitting adapter sleeve (2) is provided with a dovetail groove. The length direction of the dovetail groove is... Both sides are open, and the dovetail protrusion (9) is locked in the dovetail groove. The transmitting adapter sleeve (2) is provided with a screw through hole (10). The screw through hole (10) is located on one side of the dovetail protrusion (9) and is parallel to the length direction of the dovetail protrusion (9). Pressure plates (7) are provided on both sides of the dovetail groove and the dovetail protrusion (9) along the length direction. The pressure plates (7) cover the openings of the dovetail groove, the dovetail protrusion (9) and the screw through hole (10). A positioning screw (8) is inserted in the screw through hole (10) and the positioning screw (8) passes through the two pressure plates (7) to restrict the dovetail protrusion (9) from detaching from the dovetail groove. A gasket is provided between the pressure plate (7) and the transmitting adapter sleeve (2) or between the pressure plate (7) and the receiving lens (4). By changing the thickness of the gasket, the relative positions of the transmitting adapter sleeve (2) and the receiving lens (4) along the length direction of the dovetail groove and the dovetail protrusion (9) can be adjusted.

2. The laser rangefinder that is easy to assemble and adjust quickly according to claim 1, characterized in that: The outer frame of the transmitting lens (1) and the receiving lens (4) is fitted with a lens frame (6).

3. The laser rangefinder that is easy to assemble and adjust quickly according to claim 1, characterized in that: The positioning screw (8) is an internal hexagonal screw.

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