Polarization variable light beam device of laser ranging target indicator

Abstract

The utility model relates to the technical field of optical equipment, and discloses a polarization variable beam device of a laser ranging target indicator, which comprises ranging equipment, a polarization variable beam device is movably mounted on the left side of the ranging equipment, and a fixing plate is fixedly mounted on the left side of the top of the polarization variable beam device. Through the arrangement of the movable plate, the cover plate, the connecting rod and the sliding block, due to the design of the cover plate, the cover plate can play a role in protecting the lens, external dust and sundries are prevented from entering the polarization light beam changing device when the polarization light beam changing device is not used, and the outer surface of the lens is prevented from being abraded; the pulling plate drives the sliding block to move rightwards, so that the limiting block can move rightwards under the limiting effect of the limiting plate, then the connecting plate drives the connecting rod to move, the movable plate and the cover plate can turn over with the round rod as the axis, and closing of the left side of the polarization light beam changing device is relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical equipment, and more specifically to a polarization-changing light beam device for a laser ranging target indicator. Background Art

[0002] Laser ranging target indicator is a device that combines laser ranging technology and target indication function. It uses the characteristics of laser beam to accurately measure the distance of the target object and provide accurate position information for target indication.

[0003] In order to achieve some specific designs and requirements, a polarization-variable beam device needs to be installed on the laser ranging target indicator to optimize signal transmission, improve measurement accuracy or achieve some specific optical effects. The existing polarization-variable beam device has a simple design structure and does not protect the internal lens, so that external dust and some debris will contact the internal lens when the device is not in use, so the operator needs to wipe the lens when using it, which will deteriorate the optical performance of the lens in the long run, so it needs to be improved. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a polarization-changing light beam device for a laser ranging target indicator, which has the advantage of protecting lenses.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a polarization-variable beam device for a laser ranging target indicator, comprising:

[0006] A distance measuring device, wherein a polarization beam-converting device is movably mounted on the left side of the distance measuring device, a fixing plate is fixedly mounted on the left side of the top of the polarization beam-converting device, a round rod is fixedly sleeved inside the top of the left side of the fixing plate, a movable plate is movably sleeved on the outer surface of the round rod, and a cover plate is fixedly connected to the bottom of the movable plate;

[0007] A switch mechanism, wherein the switch mechanism is arranged on top of the polarization beam converter;

[0008] Wherein, the switch mechanism includes a bottom plate, the bottom of the bottom plate is fixedly connected to the top of the polarization beam converter, limit plates are fixedly installed on the front and rear sides of the top of the bottom plate, there are two limit plates, the insides of the two limit plates are movably sleeved with limit blocks, a slider is fixedly connected between the limit blocks, the bottom of the slider is movably connected to the top of the bottom plate, a connecting plate is fixedly installed on the left side of the slider, a connecting rod is hinged on the left side of the connecting plate, the left end of the connecting rod is hinged to the top of the movable plate, the movement of the connecting rod will drive the movable plate to rotate with the round rod as the axis, and a pull plate is fixedly installed on the top of the slider;

[0009] A reset mechanism is arranged on the top of the bottom plate.

[0010] As a preferred technical solution of the utility model, the reset mechanism includes:

[0011] A fixing block, the bottom of which is fixedly connected to the right side of the top of the bottom plate;

[0012] A first spring, wherein the right end of the first spring is fixedly connected to the left side of the fixed block, and the left end of the first spring is fixedly connected to the right side of the sliding block.

[0013] As a preferred technical solution of the utility model, a mounting plate is fixedly mounted on the front side of the upper surface of the limit plate, a round shaft is fixedly sleeved inside the mounting plate, and a rotating plate is movably sleeved on the outer surface of the round shaft.

[0014] As a preferred technical solution of the utility model, a lens is fixedly sleeved inside the polarization beam converter, first clamping blocks are fixedly installed on the right sides of the top and bottom of the polarization beam converter, and a first clamping sleeve is fixedly installed on the left side of the ranging device. There are two first clamping sleeves, and the inner surfaces of the two first clamping sleeves are movably connected to the outer surface of the first clamping block.

[0015] As a preferred technical solution of the utility model, second clamping blocks are fixedly installed on both the front and rear sides of the outer surface of the polarization beam converter, and a second clamping sleeve is fixedly installed on the left side of the ranging device, and the inner surface of the second clamping sleeve is movably connected to the outer surface of the second clamping block.

[0016] As a preferred technical solution of the utility model, a fixing box is fixedly installed on the outer surface of the second clamping sleeve, a pull rod is movably sleeved inside the fixing box, the right end of the pull rod passes through the fixing box and extends to the interior of the fixing box and is fixedly connected with an inclined block, and the outer surface of the inclined block is movably connected to the outer surface of the second clamping block.

[0017] As a preferred technical solution of the utility model, a second spring is movably sleeved on the outer surface of the pull rod, the left end of the second spring is fixedly connected to the left side of the inner surface of the fixed box, and the right end of the second spring is fixedly connected to the left side of the inclined block.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] 1. The utility model provides a movable plate, a cover plate, a connecting rod and a slider. Due to the design of the cover plate, the cover plate can protect the lens and prevent external dust and debris from entering the interior of the polarization beam converter when not in use and causing the outer surface of the lens to be worn. When in use, the operator can pull the pull plate to the right so that the pull plate drives the slider to move to the right, so that the limit block can move to the right under the limiting action of the limit plate, and then the connecting plate drives the connecting rod to move, so that the movable plate and the cover plate can be turned over with the round rod as the axis, thereby releasing the closure of the left side of the polarization beam converter.

[0020] 2. The utility model provides a second clamping block, a fixing box, an inclined block and a second spring. When the operator needs to install the polarization beam converter as a whole, the operator can fit the right side of the polarization beam converter to the left side of the ranging device, and then rotate the polarization beam converter to allow the first clamping block to enter the first ferrule. When the second clamping block rotates, it will squeeze and push the inclined surface of the inclined block, so that the inclined block enters the fixing box to the left, and then the second clamping block can smoothly enter the second ferrule. At this time, the second spring will push the inclined block to reset under the action of elastic recovery, so that the inclined block fixes the second clamping block, and then can fix the polarization beam converter as a whole, thereby completing the overall installation of the polarization beam converter and facilitating the operator to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of the front side of the utility model;

[0023] Figure 3 This is a schematic cross-sectional structural diagram of the second ferrule of the utility model;

[0024] Figure 4 It is a cross-sectional structural schematic diagram of the limit plate of the utility model;

[0025] Figure 5 This is a schematic cross-sectional view of the polarization-variable light beam device of the utility model;

[0026] Figure 6 for Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;

[0027] Figure 7 for Figure 3 A schematic diagram of the local enlarged structure at B in the middle;

[0028] Figure 8 for Figure 4 Schematic diagram of the local enlarged structure at point C in the middle.

[0029] In the figure: 1. distance measuring device; 2. polarization beam converter; 3. fixed plate; 4. round rod; 5. movable plate; 6. cover plate; 7. connecting rod; 8. bottom plate; 9. limit plate; 10. limit block; 11. slider; 12. connecting plate; 13. pull plate; 14. fixed block; 15. first spring; 16. mounting plate; 17. round shaft; 18. rotating plate; 19. lens; 20. first ferrule; 21. first block; 22. second ferrule; 23. second block; 24. fixed box; 25. pull rod; 26. inclined block; 27. second spring. DETAILED DESCRIPTION

[0030] 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 in 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.

[0031] like Figures 1 to 8 As shown, the utility model provides a polarization-variable beam device for a laser ranging target indicator, comprising:

[0032] A distance measuring device 1, wherein a polarization beam-converting device 2 is movably mounted on the left side of the distance measuring device 1, a fixing plate 3 is fixedly mounted on the left side of the top of the polarization beam-converting device 2, a round rod 4 is fixedly sleeved inside the top of the left side of the fixing plate 3, a movable plate 5 is movably sleeved on the outer surface of the round rod 4, and a cover plate 6 is fixedly connected to the bottom of the movable plate 5;

[0033] A switch mechanism, the switch mechanism is arranged on the top of the polarization beam converter 2;

[0034] Wherein, the switch mechanism includes a bottom plate 8, the bottom of the bottom plate 8 is fixedly connected to the top of the polarization beam converter 2, and the front and rear sides of the top of the bottom plate 8 are fixedly installed with limit plates 9, and there are two limit plates 9. The insides of the two limit plates 9 are movably sleeved with limit blocks 10, and a slider 11 is fixedly connected between the limit blocks 10. The bottom of the slider 11 is movably connected to the top of the bottom plate 8. A connecting plate 12 is fixedly installed on the left side of the slider 11, and a connecting rod 7 is hinged on the left side of the connecting plate 12. The left end of the connecting rod 7 is hinged to the top of the movable plate 5. The movement of the connecting rod 7 will drive the movable plate 5 to rotate with the round rod 4 as the axis, and a pull plate 13 is fixedly installed on the top of the slider 11;

[0035] The reset mechanism is arranged on the top of the bottom plate 8 .

[0036] Due to the design of the cover plate 6, the cover plate 6 can protect the polarization beam converter 2, and can shield dust and debris when the polarization beam converter 2 is not in use. When the operator needs to use the polarization beam converter 2, he can pull the pull plate 13 to the right, so that the pull plate 13 drives the slider 11 to move to the right along the inner surface of the limit plate 9, so that the connecting plate 12 drives the connecting rod 7 to rotate, and then the connecting rod 7 can drive the movable plate 5 and the cover plate 6 to rotate with the round rod 4 as the axis, so that the closure of the left side of the polarization beam converter 2 can be released.

[0037] The reset mechanism includes:

[0038] A fixing block 14, the bottom of which is fixedly connected to the right side of the top of the bottom plate 8;

[0039] The first spring 15 has a right end fixedly connected to the left side of the fixing block 14 , and a left end fixedly connected to the right side of the sliding block 11 .

[0040] By providing the first spring 15 , the first spring 15 can push the slider 11 to return to its original position under the action of elastic force recovery after being compressed.

[0041] A mounting plate 16 is fixedly mounted on the front side of the upper surface of the limiting plate 9 , a round shaft 17 is fixedly sleeved inside the mounting plate 16 , and a rotating plate 18 is movably sleeved on the outer surface of the round shaft 17 .

[0042] By providing the rotating plate 18 , when the slider 11 moves to the right, the rotating plate 18 can fix the pulling plate 13 , so that the cover plate 6 remains in an open state.

[0043] Among them, a lens 19 is fixedly sleeved inside the polarization beam converter 2, a first clamping block 21 is fixedly installed on the right side of the top and bottom of the polarization beam converter 2, a first clamping sleeve 20 is fixedly installed on the left side of the ranging device 1, and there are two first clamping sleeves 20. The inner surfaces of the two first clamping sleeves 20 are movably connected to the outer surface of the first clamping block 21.

[0044] The two first clamping blocks 21 and the two first clamping sleeves 20 are symmetrical about the center of the polarization beam converter 2 , so that the operator can drive the first clamping blocks 21 to be separated from the interior of the first clamping sleeve 20 by rotating the polarization beam converter 2 .

[0045] Among them, second clamping blocks 23 are fixedly installed on both the front and rear sides of the outer surface of the polarization beam converter 2, and a second clamping sleeve 22 is fixedly installed on the left side of the ranging device 1, and the inner surface of the second clamping sleeve 22 is movably connected to the outer surface of the second clamping block 23.

[0046] By providing the second clamping block 23 , the second clamping block 23 can play a role of limiting support for the polarization beam converter 2 after entering the interior of the second clamping sleeve 22 .

[0047] Among them, a fixed box 24 is fixedly installed on the outer surface of the second clamping sleeve 22, and a pull rod 25 is movably sleeved inside the fixed box 24. The right end of the pull rod 25 passes through the fixed box 24 and extends to the inside of the fixed box 24 and is fixedly connected with a bevel block 26. The outer surface of the bevel block 26 is movably connected to the outer surface of the second clamping block 23.

[0048] The cross section of the inclined block 26 is triangular, so that after the second clamping block 23 enters the interior of the second clamping sleeve 22 , the inclined block 26 can fix the second clamping block 23 .

[0049] The outer surface of the pull rod 25 is movably sleeved with a second spring 27 , the left end of the second spring 27 is fixedly connected to the left side of the inner surface of the fixing box 24 , and the right end of the second spring 27 is fixedly connected to the left side of the inclined block 26 .

[0050] By providing the second spring 27 , the second spring 27 can push the inclined block 26 to return to its original position under the action of elastic force recovery.

[0051] The working principle and use process of this utility model:

[0052] Due to the design of the cover 6, the cover 6 can close the left side of the polarization beam converter 2, so that the lens 19 can be protected when the polarization beam converter 2 is not in use, preventing external dust and debris from entering the interior of the polarization beam converter 2. When the polarization beam converter 2 needs to be used, the pull plate 13 can be pulled to the right, so that the pull plate 13 drives the slider 11 to move to the right along the inner surface of the limit plate 9, so that the slider 11 drives the connecting rod 7 to move through the connecting plate 12, and then the connecting rod 7 can drive the movable plate 5 and the cover 6 to rotate around the round rod 4 as the axis, so that the cover 6 can release the closure of the left side of the polarization beam converter 2. When the pull plate 13 moves to the right, the rotating plate 18 can be rotated so that the rotating plate 18 contacts the left side of the pull plate 13, so that the pull plate 13 can be fixed, and the cover 6 can be kept in an open state.

[0053] When the operator needs to remove the polarization beam converter 2 as a whole, the operator can pull the pull rod 25 outward so that the pull rod 25 drives the inclined block 26 to move toward the inside of the fixed box 24, thereby releasing the fixing effect of the inclined block 26 on the second clamping block 23. At this time, the operator can rotate the polarization beam converter 2 so that the polarization beam converter 2 drives the second clamping block 23 and the first clamping block 21 to rotate, so that the first clamping block 21 is separated from the inside of the first clamping sleeve 20, and the second clamping block 23 is separated from the inside of the second clamping sleeve 22, thereby releasing the fixing effect on the polarization beam converter 2, which is convenient for the operator to install and disassemble the polarization beam converter 2 as a whole.

[0054] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polarization-variable beam device for a laser ranging target indicator, characterized in that: Included are: A distance measuring device (1), wherein a polarization beam modulator (2) is movably mounted on the left side of the distance measuring device (1), a fixing plate (3) is fixedly mounted on the left side of the top of the polarization beam modulator (2), a round rod (4) is fixedly sleeved inside the top of the left side of the fixing plate (3), a movable plate (5) is movably sleeved on the outer surface of the round rod (4), and a cover plate (6) is fixedly connected to the bottom of the movable plate (5); A switch mechanism, wherein the switch mechanism is arranged on the top of the polarization beam converter (2); The switch mechanism comprises a bottom plate (8), the bottom of the bottom plate (8) is fixedly connected to the top of the polarization beam converter (2), and limit plates (9) are fixedly installed on both the front and rear sides of the top of the bottom plate (8), there are two limit plates (9), and the insides of the two limit plates (9) are movably sleeved with limit blocks (10), a slider (11) is fixedly connected between the limit blocks (10), the bottom of the slider (11) is movably connected to the top of the bottom plate (8), a connecting plate (12) is fixedly installed on the left side of the slider (11), and a connecting rod (7) is hinged on the left side of the connecting plate (12), and the left end of the connecting rod (7) is hinged to the top of the movable plate (5), and the movement of the connecting rod (7) will drive the movable plate (5) to rotate with the round rod (4) as the axis, and a pull plate (13) is fixedly installed on the top of the slider (11); A reset mechanism is arranged on the top of the bottom plate (8).

2. The polarization-variable light beam device for a laser ranging target indicator according to claim 1, characterized in that: The reset mechanism comprises: A fixed block (14), the bottom of which is fixedly connected to the right side of the top of the bottom plate (8); A first spring (15), wherein the right end of the first spring (15) is fixedly connected to the left side of the fixed block (14), and the left end of the first spring (15) is fixedly connected to the right side of the sliding block (11).

3. The polarization-variable light beam device for a laser ranging target indicator according to claim 1, characterized in that: A mounting plate (16) is fixedly mounted on the front side of the upper surface of the limiting plate (9), a circular shaft (17) is fixedly sleeved inside the mounting plate (16), and a rotating plate (18) is movably sleeved on the outer surface of the circular shaft (17).

4. The polarization-variable light beam device for a laser ranging target indicator according to claim 1, characterized in that: A lens (19) is fixedly sleeved inside the polarization beam converter (2), a first clamping block (21) is fixedly mounted on the right side of the top and bottom of the polarization beam converter (2), and a first clamping sleeve (20) is fixedly mounted on the left side of the distance measuring device (1), there are two first clamping sleeves (20), and the inner surfaces of the two first clamping sleeves (20) are movably connected to the outer surface of the first clamping block (21).

5. The polarization-variable light beam device for a laser ranging target indicator according to claim 1, characterized in that: A second clamping block (23) is fixedly mounted on both the front and rear sides of the outer surface of the polarization beam converter (2), a second clamping sleeve (22) is fixedly mounted on the left side of the distance measuring device (1), and the inner surface of the second clamping sleeve (22) is movably connected to the outer surface of the second clamping block (23).

6. The polarization-variable light beam device for a laser ranging target indicator according to claim 5, characterized in that: A fixing box (24) is fixedly mounted on the outer surface of the second clamping sleeve (22), and a pull rod (25) is movably sleeved inside the fixing box (24). The right end of the pull rod (25) passes through the fixing box (24) and extends to the inside of the fixing box (24) and is fixedly connected to an inclined block (26). The outer surface of the inclined block (26) is movably connected to the outer surface of the second clamping block (23).

7. The polarization-variable light beam device for a laser ranging target indicator according to claim 6, characterized in that: A second spring (27) is movably sleeved on the outer surface of the pull rod (25), the left end of the second spring (27) is fixedly connected to the left side of the inner surface of the fixed box (24), and the right end of the second spring (27) is fixedly connected to the left side of the inclined block (26).

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