Laser range finder convenient to accurately install and adjust

Abstract

A laser range finder convenient for accurate 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 installed at the two ends of the emission reducing sleeve in the axial direction respectively, 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, the receiving lens is located on one side of the transmitting lens and the transmitting adapter sleeve in the radial direction, the detector assembly is located on one side of the transmitting light source in the radial direction, and the detector assembly is connected with one end of the receiving lens in the axial direction so that the detector assembly can calculate the target distance according to the laser echoes. According to the utility model, the transmitting lens assembly and the receiving lens assembly are relatively installed and fixed in a manner that the connecting rod is installed in the open slot, and the two positioning screws are pressed on the two sides of the ball head of the connecting rod, so that the radial relative positions of the transmitting lens and the receiving lens can be accurately ensured, and the installation and adjustment precision of the laser range finder is simply and effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser ranging equipment field especially relates to a laser range finder convenient to accurate 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 civilian 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 ensured finally, but the existing laser range finder has insufficient installation and adjustment precision, which leads to errors in the final ranging result. SUMMARY

[0003] The utility model aims at providing a laser range finder convenient to accurate installation and adjustment, which simply and effectively improves the installation and adjustment precision of the laser range finder.

[0004] The utility model provides a laser range finder convenient to accurate installation and adjustment, 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 the 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, and the detector assembly is connected with the end of the receiving lens along the axial direction, so as to facilitate the detector assembly to 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 connecting rod, the end of the connecting rod is provided with a ball head, the side of the receiving lens facing the transmitting adapter sleeve is provided with a connecting part, the connecting part is provided with an open slot and two screw holes, the length direction of the open slot is parallel to the axial direction of the receiving lens, the two screw holes are aligned along the axial direction and perpendicular to the open slot, one end of the open slot along the length direction is open, the connecting rod can enter the open slot from the open end, and the ball head is clamped on the inner side of the open slot, the two screw holes are respectively screwed with positioning screws, and the ends of the two positioning screws can be respectively pressed on the two sides of the ball head to limit the ball head from separating from the open slot.

[0005] Preferably, the outer sides of the transmitting lens and the receiving lens are matched with a lens outer frame.

[0006] Preferably, the connecting rod is a cylindrical structure, and the diameter of the ball head is greater than the diameter of the connecting rod.

[0007] According to the above technical scheme, the laser range finder has the advantages that:

[0008] The connecting rod is arranged in the open slot to relatively fix the transmitting lens assembly and the receiving lens assembly, and the two sides of the ball head of the connecting rod are pressed by the two positioning screws, the precision of the ball head connection is extremely high, the machining precision of the ball head part can reach 0.005mm, and the relative position of the transmitting lens and the receiving lens can be accurately ensured, the assembling and adjusting precision of the laser range finder is simply and effectively improved, and the accuracy of the ranging result is ensured. BRIEF DESCRIPTION OF DRAWINGS

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

[0010] Figure 2 It is a schematic diagram of the laser range finder;

[0011] Figure 3 It is a sectional view of the laser range finder.

[0012] Marked in the figure: 1, transmitting lens, 2, transmitting adapter sleeve, 3, transmitting light source, 4, receiving lens, 5, detector assembly, 6, lens outer frame, 7, connecting rod, 8, ball head, 9, open slot, 10, positioning screw. DETAILED DESCRIPTION

[0013] Referring to the drawings, the specific implementation manner is as follows:

[0014] As Figures 1-2 shown, a laser range finder convenient for accurate assembling and adjusting 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 two ends of the transmitting adapter sleeve 2 along an axial direction, and the working principle of the laser range finder is that the transmitting light source 3 can emit ranging laser to a target through the transmitting lens 1, the receiving lens 4 can receive laser echoes reflected by the target, the receiving lens 4 is located at a side of the transmitting lens 1 and the transmitting adapter sleeve 2 along a radial direction, the detector assembly 5 is located at a side of the transmitting light source 3 along the radial direction, and the detector assembly 5 is connected with an end of the receiving lens 4 along the axial direction, so that the detector assembly 5 can calculate a target distance according to the laser echoes.

[0015] As Figures 2-3As shown, the side of the transmitting adapter sleeve 2 facing the receiving lens 4 is provided with a connecting rod 7, the end of the connecting rod 7 is provided with a ball head 8, the connecting rod 7 is of a cylindrical structure, the diameter of the ball head 8 is greater than that of the connecting rod 7, the side of the receiving lens 4 facing the transmitting adapter sleeve 2 is provided with a connecting portion, the connecting portion is provided with an open slot 9 and two screw holes, the length direction of the open slot 9 is parallel to the axial direction of the receiving lens 4, the two screw holes are aligned along the axial direction and are perpendicular to the open slot 9, one end of the open slot 9 is open along the length direction, the connecting rod 7 can enter the open slot 9 from the open end, and the ball head 8 is clamped on the inner side of the open slot 9, two positioning screws 10 are respectively screwed into the two screw holes, the ends of the two positioning screws 10 can be respectively pressed on the two sides of the ball head 8 to limit the ball head 8 from being separated from the open slot 9.

[0016] In this embodiment, the relative mounting and fixing of the transmitting lens assembly and the receiving lens assembly are achieved by the way that the connecting rod 7 is loaded into the open slot 9, and the ball head connection is achieved by pressing the two sides of the ball head with the two positioning screws 10, which has high precision, the machining precision of the ball head part can reach 0.005mm, finally, the lens outer frame 6 is mounted on the outside of the transmitting lens 1 and the receiving lens 4, which can accurately ensure the radial relative position of the transmitting lens 1 and the receiving lens 4, complete the precise adjustment of the laser range finder, and ensure the accuracy of the ranging result.

Claims

1. A laser range finder facilitating precise alignment, characterized by: The application relates to a laser ranging device, which comprises 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 arranged at two ends of the transmitting adapter sleeve (2) along the axial direction, the transmitting light source (3) can emit ranging laser to a target through the transmitting lens (1), the receiving lens (4) can receive the laser echo reflected by the target, the receiving lens (4) is arranged on the side of the transmitting lens (1) and the transmitting adapter sleeve (2) along the radial direction, the detector assembly (5) is arranged on the side of the transmitting light source (3) along the radial direction, the detector assembly (5) is connected with one end of the receiving lens (4) along the axial direction, so that the detector assembly (5) can calculate the distance of the target according to the laser echo, the side of the transmitting adapter sleeve (2) facing the receiving lens (4) is provided with a connecting rod (7), the end of the connecting rod (7) is provided with a ball head (8), the side of the receiving lens (4) facing the transmitting adapter sleeve (2) is provided with a connecting part, the connecting part is provided with an open slot (9) and two screw holes, the length direction of the open slot (9) is parallel to the axial direction of the receiving lens (4), the two screw holes are aligned along the axial direction and are perpendicular to the open slot (9), one end of the open slot (9) along the length direction is open, the connecting rod (7) can enter the open slot (9) from the open end, and the ball head (8) is clamped on the inner side of the open slot (9), the two screw holes are respectively provided with a positioning screw (10), and the ends of the two positioning screws (10) can be respectively pressed on the two sides of the ball head (8), so as to limit the ball head (8) from being separated from the open slot (9).

2. The laser range finder of claim 1, wherein: The outer sides of the transmitting lens (1) and the receiving lens (4) are provided with a lens outer frame (6).

3. The laser range finder of claim 1, wherein: The connecting rod (7) is in a cylindrical structure, and the diameter of the ball head (8) is larger than that of the connecting rod (7).

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