Laser measuring instrument convenient to adjust

Abstract

The utility model relates to a laser measuring instrument convenient to adjust, which comprises a base, the top of the base is fixedly provided with a fixed barrel, the outside of the fixed barrel is provided with a handle, the outside of the handle is fixedly provided with a first gear, and the outside of the first gear is meshed with a second gear. And a threaded sleeve is fixedly installed at the top of the second gear, a threaded rod is in threaded connection with the interior of the threaded sleeve, a fixing base is movably installed at the top of the threaded rod, a fixing plate is arranged at the top of the fixing base, and a fixing plate is arranged at the top of the fixing base. According to the laser measuring instrument convenient to adjust, when the height of the laser measuring instrument body needs to be adjusted according to different terrains, a handle is rotated, a first gear is driven to rotate, a second gear drives a threaded sleeve to rotate, meanwhile, a screw rod moves up and down, and the height of a fixing base is adjusted, so that the height of the laser measuring instrument body is adjusted. Therefore, the laser measuring instrument body can adapt to different terrains for measurement.

Description

Technical Field

[0001] The utility model relates to the technical field of laser measuring instruments, in particular to a laser measuring instrument which is easy to adjust. Background Art

[0002] A laser measuring instrument is an instrument that uses a certain parameter of modulated laser to measure the distance to the target. It is also called a laser rangefinder. According to the distance measurement method, it is divided into a phase rangefinder and a pulse rangefinder. When working, a pulsed laser rangefinder emits a beam or a series of short pulsed laser beams to the target. The photoelectric element receives the laser beam reflected by the target, and the timer measures the time from the emission to the reception of the laser beam, and calculates the distance from the observer to the target.

[0003] Laser measuring instruments are needed in construction, but existing laser measuring instruments do not have the function of height adjustment, which causes the foundation height to be low and affects the measurement accuracy, increases the labor of manual operation, reduces the accuracy of the laser measuring instrument, and also reduces the practicality of the laser measuring instrument. Therefore, a laser measuring instrument that is easy to adjust is proposed to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an easily adjustable laser measuring instrument, which has the advantages of being easy to adjust the height of the laser measuring instrument, etc., and solves the problem that laser measuring instruments are needed in construction, but the existing laser measuring instruments do not have the function of height adjustment, resulting in low foundation height affecting the measurement accuracy, increasing the labor of manual operation, reducing the accuracy of the laser measuring instrument, and also reducing the practicality of the laser measuring instrument.

[0005] To achieve the above object, the utility model provides the following technical solution: a laser measuring instrument that is easy to adjust, comprising a base, a lifting structure is arranged on the top of the base, a clamping structure is arranged on the top of the lifting structure, and a laser measuring instrument body is arranged inside the clamping structure;

[0006] The lifting structure includes a fixed barrel, a handle, a first gear, a second gear, a threaded sleeve and a screw rod. The fixed barrel is fixedly installed on the top of the base, a handle is arranged on the outside of the fixed barrel, a first gear is fixedly installed on the outside of the handle, a second gear is meshed on the outside of the first gear, a threaded sleeve is fixedly installed on the top of the second gear, and a screw rod is connected to the inner thread of the threaded sleeve;

[0007] The clamping structure includes a fixed seat, a fixed plate, a telescopic rod, a spring, a splint, a shielding cover, an extension rod and an insertion rod. The fixed seat is movably installed on the top of the screw rod, a fixed plate is provided on the top of the fixed seat, the telescopic rod is fixedly installed on the outside of the fixed plate, a spring is sleeved on the outside of the telescopic rod, a splint is fixedly installed on the outside of the telescopic rod, a shielding cover is movably installed on the outside of the fixed plate, an extension rod is fixedly installed on the bottom of the shielding cover, and the insertion rod is movably installed inside the extension rod.

[0008] Furthermore, the right side of the handle passes through the fixed barrel and extends into the interior of the fixed barrel, and the screw rod passes through the second gear and is movably connected to the second gear.

[0009] Furthermore, a limiting groove is provided inside the fixed barrel, a limiting block is fixedly installed outside the threaded sleeve, and the limiting block is movably connected to the limiting groove.

[0010] Furthermore, the top of the screw rod passes through the fixed barrel and extends to the top of the fixed barrel, and a plug hole is provided on the outside of the fixed plate.

[0011] Furthermore, there are two fixing plates, which are respectively located on the left and right sides of the top of the fixing seat.

[0012] Furthermore, the spring is fixedly connected to the fixing plate, and the insertion rod passes through the extension rod and is plugged into the insertion hole.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. When the height of the laser measuring instrument body needs to be adjusted according to different terrains, the handle is turned to drive the first gear to rotate, so that the second gear drives the threaded sleeve to rotate, and the screw moves up and down. By adjusting the height of the fixed seat, the laser measuring instrument body can adapt to different terrains for measurement.

[0015] 2. The laser measuring instrument is easy to adjust. Pull out the rod, withdraw the rod from the socket, move the shielding cover, put the laser measuring instrument body between the two clamping plates, and fix the laser measuring instrument body by the tension of the spring expansion. When the sunlight intensity is high, pull the extension rod, move the shielding cover to the top of the laser measuring instrument body, and insert the rod into the socket to prevent the measurement personnel from being affected by sunlight during the measurement process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0017] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0019] In the figure: 1. base; 2. lifting structure; 201. fixed barrel; 202. handle; 203. first gear; 204. second gear; 205. threaded sleeve; 206. screw; 3. clamping structure; 301. fixed seat; 302. fixed plate; 303. telescopic rod; 304. spring; 305. clamping plate; 306. shielding cover; 307. extension rod; 308. insertion rod; 4. laser measuring instrument body. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-3 In this embodiment, a laser measuring instrument that is easy to adjust includes a base 1, a lifting structure 2 is arranged on the top of the base 1, a clamping structure 3 is arranged on the top of the lifting structure 2, and a laser measuring instrument body 4 is arranged inside the clamping structure 3.

[0022] The lifting structure 2 includes a fixed barrel 201, a handle 202, a first gear 203, a second gear 204, a threaded sleeve 205 and a screw 206. The fixed barrel 201 is fixedly installed on the top of the base 1, and the handle 202 is provided on the outside of the fixed barrel 201. The first gear 203 is fixedly installed on the outside of the handle 202, and the second gear 204 is meshed on the outside of the first gear 203. The threaded sleeve 205 is fixedly installed on the top of the second gear 204, and the internal thread of the threaded sleeve 205 is connected to the screw 206.

[0023] The clamping structure 3 includes a fixed seat 301, a fixed plate 302, a telescopic rod 303, a spring 304, a splint 305, a shielding cover 306, an extension rod 307 and an insertion rod 308. The fixed seat 301 is movably installed on the top of the screw rod 206, a fixed plate 302 is arranged on the top of the fixed seat 301, the telescopic rod 303 is fixedly installed on the outside of the fixed plate 302, the spring 304 is sleeved on the outside of the telescopic rod 303, the splint 305 is fixedly installed on the outside of the telescopic rod 303, the shielding cover 306 is movably installed on the outside of the fixed plate 302, the extension rod 307 is fixedly installed on the bottom of the shielding cover 306, and the insertion rod 308 is movably installed on the inside of the extension rod 307.

[0024] exist Figure 2In the embodiment, the limiting groove and the limiting block are movably connected. When the first gear 203 drives the second gear 204 and the threaded sleeve 205 to rotate simultaneously, the rotation of the threaded sleeve 205 can be limited by the limiting groove.

[0025] exist Figure 2 In the embodiment, the laser measuring instrument body 4 is fitted with the top of the fixing seat 301 , and the two clamping plates 305 are located on the left and right sides of the laser measuring instrument body 4 , and fix the laser measuring instrument body 4 at the same time.

[0026] exist Figure 2 In the embodiment, a socket is provided on the outside of one of the fixing plates 302 and vertically below the extension rod 307. When the insertion rod 308 is plugged into the socket, the shielding cover 306 can be fixed on the top of the laser measuring instrument body 4.

[0027] In summary, when the height of the laser measuring instrument body 4 needs to be adjusted according to different terrains, the handle 202 is turned to drive the first gear 203 to rotate, so that the second gear 204 drives the threaded sleeve 205 to rotate, and the screw 206 moves up and down. By adjusting the height of the fixed base 301, the laser measuring instrument body 4 can adapt to different terrains for measurement.

[0028] In addition, the laser measuring instrument which is easy to adjust can be operated by pulling out the plug rod 308, withdrawing the plug rod 308 from the socket, moving the shielding cover 306, placing the laser measuring instrument body 4 between the two clamping plates 305, and fixing the laser measuring instrument body 4 by the tension of the spring 304. When the sunlight intensity is high, the extension rod 307 is pulled to move the shielding cover 306 to the top of the laser measuring instrument body 4, and inserting the plug rod 308 into the socket, so as to prevent the surveying personnel from being affected by the sunlight during the measurement process, thereby solving the problem that the laser measuring instrument is needed in the construction, but the existing laser measuring instrument does not have the function of height adjustment, resulting in the low height of the foundation affecting the measurement accuracy, increasing the labor of manual operation, reducing the accuracy of the laser measuring instrument, and reducing the practicality of the laser measuring instrument.

[0029] 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. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] 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 laser measuring instrument that is easy to adjust, comprising a base (1), characterized in that: A lifting structure (2) is arranged on the top of the base (1), a clamping structure (3) is arranged on the top of the lifting structure (2), and a laser measuring instrument body (4) is arranged inside the clamping structure (3); The lifting structure (2) comprises a fixed barrel (201), a handle (202), a first gear (203), a second gear (204), a threaded sleeve (205) and a screw (206); the fixed barrel (201) is fixedly mounted on the top of the base (1); the handle (202) is arranged on the outside of the fixed barrel (201); the first gear (203) is fixedly mounted on the outside of the handle (202); the second gear (204) is meshed on the outside of the first gear (203); the threaded sleeve (205) is fixedly mounted on the top of the second gear (204); the screw (206) is connected to the inner thread of the threaded sleeve (205); The clamping structure (3) comprises a fixed seat (301), a fixed plate (302), a telescopic rod (303), a spring (304), a clamping plate (305), a shielding cover (306), an extension rod (307) and an insertion rod (308); the top of the screw rod (206) is movably mounted with the fixed seat (301); the top of the fixed seat (301) is provided with a fixed plate (302); the outside of the fixed plate (302) is fixedly mounted with the telescopic rod (303); the outside of the telescopic rod (303) is sleeved with a spring (304); the outside of the telescopic rod (303) is fixedly mounted with a clamping plate (305); the outside of the fixed plate (302) is movably mounted with the shielding cover (306); the bottom of the shielding cover (306) is fixedly mounted with the extension rod (307); the inside of the extension rod (307) is movably mounted with the insertion rod (308).

2. The laser measuring instrument that is easy to adjust according to claim 1, characterized in that: The right side of the handle (202) passes through the fixed barrel (201) and extends into the interior of the fixed barrel (201), and the screw rod (206) passes through the second gear (204) and is movably connected to the second gear (204).

3. The laser measuring instrument that is easy to adjust according to claim 1, characterized in that: A limiting groove is provided inside the fixed barrel (201), and a limiting block is fixedly installed outside the threaded sleeve (205), and the limiting block is movably connected to the limiting groove.

4. The laser measuring instrument that is easy to adjust according to claim 1, characterized in that: The top of the screw rod (206) passes through the fixed barrel (201) and extends to the top of the fixed barrel (201), and a plug hole is provided on the outside of the fixed plate (302).

5. The laser measuring instrument that is easy to adjust according to claim 1, characterized in that: There are two fixing plates (302), and the two fixing plates (302) are respectively located on the left and right sides of the top of the fixing seat (301).

6. The laser measuring instrument that is easy to adjust according to claim 4, characterized in that: The spring (304) is fixedly connected to the fixing plate (302), and the insertion rod (308) passes through the extension rod (307) and is plugged into the insertion hole.

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