Multifunctional telescopic support for laser range finder

Abstract

The multifunctional telescopic support comprises a telescopic frame and a base, the telescopic frame comprises an end frame, a first frame body, a second frame body, a third frame body, a connecting assembly and a sliding rail, the sliding rail is embedded in the end frame, the first frame body, the second frame body and the third frame body, a sliding seat is connected to the sliding rail in a sliding mode, and an L-shaped bearing plate is arranged on the sliding seat in a matched mode. A magnet is fixed to one end of the end frame, the other end of the end frame is connected with one end of the first frame body through a connecting assembly, the other end of the first frame body is connected with one end of the second frame body through a connecting assembly, and the other end of the second frame body is connected with the end of the third frame body through a connecting assembly. A mounting seat is arranged on the spherical seat and is made of a magnetic metal material; therefore, a measurement route can avoid obstacles, use in various scenes can be met, the detection efficiency can be greatly improved, and the detection precision can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rangefinder brackets, and more specifically to a multifunctional telescopic bracket for a 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 measuring range of a laser rangefinder is 3.5 to 5000 meters. Compared with steel tape measures, it is increasingly popular among users due to its convenient measurement and simple operation.

[0003] However, during the use of the laser rangefinder, its measuring path must be free of obstructions. During the judicial appraisal of houses, the operating space is relatively complex and there are many obstacles on site. When it is necessary to measure the wall size of a building, if there are a large number of obstacles piled up on both sides of the wall, the operator needs to measure away from the wall, and the accuracy of the measured value cannot be guaranteed. In addition, when the ground environment is poor, such as unevenness, it is difficult for the operator to stand on the ground at the measuring point for measurement, and the measuring point can only be translated to obtain the measured value. Obviously, the measurement accuracy of the value measured after translation is also affected to a certain extent, and it takes a lot of time to find a suitable measuring point. The utility model proposes a new solution to the above problems. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a multifunctional telescopic bracket for a laser rangefinder to solve the technical problems mentioned in the background technology.

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] A multifunctional telescopic bracket for a laser rangefinder comprises a telescopic bracket and a base, wherein the telescopic bracket is assembled and installed with the base, the telescopic bracket comprises an end bracket, a first frame body, a second frame body, a third frame body, a connecting assembly, and a slide rail, wherein the slide rail is embedded in the end bracket, the first frame body, the second frame body, and the third frame body, a slide seat is slidably connected to the slide rail, an L-shaped bearing plate is cooperatively arranged on the slide seat, a magnet is fixed to one end of the end bracket, the other end of the end bracket is connected to one end of the first frame body through the connecting assembly, the other end of the first frame body is connected to one end of the second frame body through the connecting assembly, and the other end of the second frame body is connected to the end of the third frame body through the connecting assembly, wherein a slide groove is provided on the base, a ball seat is slidably connected in the slide groove, a mounting seat is provided on the ball seat, the mounting seat is made of a magnetic metal material, and the mounting seat is arranged in cooperation with the magnet, a limiting position assembly is provided between the ball seat and the base, wherein

[0007] The connecting assembly comprises a hollow rotating shaft, a connecting shaft, a first spring, a second spring, a limiting groove, a cover plate, a half shaft, and an end block, one end of the hollow rotating shaft is fixed to the other end of the end frame and the end of the second frame, one end of the connecting shaft is axially slidably connected to the hollow rotating shaft, one end of the connecting shaft is fixed to one end of the first spring, the other end of the first spring is fixed in the hollow rotating shaft, the other end of the connecting shaft is rotatably connected to one end of the two groups of half shafts, the combination of the two groups of half shafts is plugged into one end of the first frame and one end of the third frame, the end block is fixed to the end of the half shaft, the limiting groove is embedded and installed in the other end of the end frame, the end of the first frame, the end of the second frame, and the end of the third frame, and the cover plate is slidably connected to the notch of the limiting groove, and the second spring is installed between the bottom of the cover plate and the limiting groove;

[0008] The limiting assembly includes a slider, a fixed block, a stud, a rotating handle, and a rubber friction pad. The slider is slidably connected to the base along the diameter direction of the spherical seat, the fixed block is fixed to the base, the stud is threadedly connected to the fixed block, one end of the stud passes through the fixed block and is rotatably connected to the slider, the rubber friction pad is installed on one side of the slider close to the spherical seat, and the rotating handle is axially fixed to the other end of the stud.

[0009] Preferably, a ratchet groove is opened on the inner side of the slide rail along its length direction, a pawl is rotatably connected to the slide seat, a torsion spring is arranged on the rotating shaft of the pawl, one end of the torsion spring is fixed on the slide seat, and the other end of the torsion spring is fixed on the pawl, and the pawl is arranged in cooperation with the ratchet groove.

[0010] In any of the above solutions, preferably, a scale is provided on the slide rail.

[0011] In any of the above schemes, preferably, a baffle is fixed along the length direction of the other end of the end frame and the end of the second frame, and a baffle groove is opened at the end of the first frame and the end of the third frame corresponding to the position of the baffle, and the baffle is arranged in coordination with the baffle groove.

[0012] In any of the above schemes, preferably, a T-shaped slot is provided on the lower end surface of the base, and a nail plate is inserted into the T-shaped slot.

[0013] In any of the above solutions, preferably, the base is provided with a plurality of mounting through holes.

[0014] In any of the above solutions, preferably, a through slot is provided on the slide seat, and one end of the L-shaped load-bearing plate is inserted into the through slot.

[0015] In any of the above solutions, preferably, two sets of spirit levels are provided on the end frame.

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] The design of the telescopic frame, the connecting assembly and the limiting assembly in the utility model can select the length of the unfolded telescopic frame according to different usage scenarios, and lock the unfolded part of the telescopic frame through the connecting assembly, and use the limiting assembly to lock the ball seat on the base to provide support for the unfolded telescopic frame. When the ground is uneven or the measuring position is too low (for example, it is necessary to measure the floor height of a house, generally, the rangefinder needs to be placed on the ground, and the operator bends over to operate), the base and the telescopic frame can be placed in place, and the rangefinder can be placed on the L-shaped bearing plate for measurement; and when there are obstacles on the detection line, the laser is blocked When using light, two sets of telescopic frames can be used in combination. One set of telescopic frames is placed on one side of the surface to be measured along the vertical direction, and the other set of telescopic frames is placed along the vertical direction and the horizontal direction, and ensure that the end of the other set of telescopic frames coincides with the position to be measured. One end of the other set of telescopic frames is set on the L-shaped bearing plate, so that the two sets of telescopic frames are perpendicular to each other, and the laser rangefinder is placed at the corresponding position on the telescopic frame to avoid obstacles on the measuring route, which can meet the use of various scenarios. Of course, for complex venues, multiple sets of bases can be arranged to the corresponding positions in advance, which can greatly improve the detection efficiency and improve the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a multifunctional telescopic bracket for a laser rangefinder of the utility model;

[0019] Figure 2 is a schematic diagram of the structure of the base;

[0020] Figure 3 is a schematic diagram of the structure of the connection components;

[0021] Figure 4 Schematic diagram of the unfolding operation of the telescopic frame.

[0022] Description of the numbers in the figure:

[0023] 1. Telescopic frame; 2. Base; 101. End frame; 102. First frame; 103. Second frame; 104. Third frame; 3. Connecting assembly; 105. Slide rail; 106. Slide seat; 107. Magnet; 201. Slide groove; 202. Ball seat; 203. Mounting seat; 4. L-shaped bearing plate; 5. Limiting assembly; 301. Hollow shaft; 302. Connecting shaft; 303. First spring; 304. Second spring; 305. 5. Limiting groove; 306. Cover plate; 307. Half shaft; 308. End block; 501. Slider; 502. Fixed block; 503. Stud; 504. Rotating handle; 505. Rubber friction pad; 108. Ratchet groove; 109. Ratchet pawl; 110. Torsion spring; 111. Ruler; 112. Baffle plate; 113. Baffle groove; 204. T-slot; 205. Nail plate; 206. Mounting through hole; 114. Through slot; 115. Level. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] See also Figures 1 to 4 A multifunctional telescopic bracket for a laser rangefinder comprises a telescopic bracket 1 and a base 2, wherein the telescopic bracket 1 is assembled with the base 2, the telescopic bracket 1 comprises an end bracket 101, a first frame 102, a second frame 103, a third frame 104, a connecting assembly 3, and a slide rail 105, wherein the slide rail 105 is embedded in the end bracket 101, the first frame 102, the second frame 103, and the third frame 104, wherein a slide seat 106 is slidably connected to the slide rail 105, and an L-shaped bearing plate 4 is provided on the slide seat 106, wherein the L-shaped bearing plate 4 is used to place a laser rangefinder, and the position of the laser rangefinder is adjusted by adjusting the position of the slide seat 106 on the slide rail 105, a magnet 107 is fixed to one end of the end bracket 101, and the other end of the end bracket 101 is connected to one end of the first frame 102 through the connecting assembly 3, and the first The other end of the frame 102 is connected to one end of the second frame 103 through a connecting component 3, and the other end of the second frame 103 is connected to the end of the third frame 104 through a connecting component 3. A slide groove 201 is provided on the base 2, and a ball seat 202 is slidably connected in the slide groove 201. A mounting seat 203 is provided on the ball seat 202. By utilizing the deadweight of the ball seat 202, the ball seat 202 is automatically leveled in the absence of external force to provide horizontal support for the placement of the end frame 101. The mounting seat 203 is made of magnetic metal material, and the mounting seat 203 is arranged in conjunction with the magnet 107. By utilizing the magnetic attraction between the mounting seat 203 and the magnet 107, the end frame 101 connected to the magnet 107 is temporarily fixed on the mounting seat 203. A limiting component 5 is provided between the ball seat 202 and the base 2, wherein

[0027] The connecting assembly 3 includes a hollow rotating shaft 301, a connecting shaft 302, a first spring 303, a second spring 304, a limiting groove 305, a cover plate 306, a half shaft 307, and an end block 308. One end of the hollow rotating shaft 301 is fixed to the other end of the end frame 101 and the end of the second frame 103. One end of the connecting shaft 302 is axially slidably connected to the hollow rotating shaft 301. One end of the connecting shaft 302 is fixed to one end of the first spring 303. The other end of the first spring 303 is fixed in the hollow rotating shaft 301. The other end of the connecting shaft 302 is rotatably connected to one end of two groups of half shafts 307. The combination of the two groups of half shafts 307 is plugged into one end of the first frame 102 and one end of the third frame 104. The end block 308 is fixed to the end of the half shaft 307. The limiting groove 305 is embedded and installed in the other end of the end frame 101, the end of the first frame 102, and the second The end of the frame body 103, the end of the third frame body 104, and the cover plate 306 are slidably connected to the notch of the limiting groove 305, and the second spring 304 is installed between the bottom of the cover plate 306 and the limiting groove 305; when it is necessary to unfold the telescopic frame 1, the end frame 101, the first frame body 102, the second frame body 103, and the third frame body 104 are adjacent to each other and unfolded at an angle of 180°, and then the first frame body 102 and the third frame body 104 are pushed toward the direction of the hollow shaft 301, so that the end frame 101, the first frame body 102, the second frame body 103, and the third frame body 104 are flush, and the half shafts 307 are separated and respectively inserted into the corresponding limiting grooves 305, so that the end frame 101, the first frame body 102, the second frame body 103, and the third frame body 104 are locked with each other to realize the unfolding of the telescopic frame 1. Of course, the unfolding length can be selected according to the use requirements;

[0028] The limit assembly 5 includes a slider 501, a fixed block 502, a stud 503, a rotating handle 504, and a rubber friction pad 505. The slider 501 is slidably connected to the base 2 along the diameter direction of the ball seat 202, the fixed block 502 is fixed to the base 2, the stud 503 is threadedly connected to the fixed block 502, one end of the stud 503 passes through the fixed block 502 and is rotatably connected to the slider 501, the rubber friction pad 505 is installed on the side of the slider 501 close to the ball seat 202, and the rotating handle 504 is axially fixed to the other end of the stud 503; when the ball seat 202 is leveled under the action of its own weight, the stud 503 is rotated, and the rubber friction pad 505 is used to fit on the side wall of the ball seat 202, and the friction between the two is used to lock the ball seat 202;

[0029] The design of the telescopic frame 1, the connecting component 3, and the limiting component 5 can select the length of the unfolded telescopic frame 1 according to different usage scenarios, and lock the unfolded part of the telescopic frame 1 through the connecting component 3, and use the limiting component 5 to lock the ball seat 202 on the base 2 to provide support for the unfolded telescopic frame 1. When the ground is uneven or the measuring position is too low (for example, it is necessary to measure the floor height of a house, generally, the rangefinder needs to be placed on the ground, and the operator bends over to operate), the base 2 and the telescopic frame 1 can be placed in place, and the rangefinder can be placed on the L-shaped bearing plate 4 for measurement; and when there are obstacles on the detection line, blocking the laser When using light, two groups of telescopic frames 1 can be used in combination, one group of telescopic frames 1 is placed on one side of the surface to be measured along the vertical direction, and the other group of telescopic frames 1 is placed along the vertical direction and the horizontal direction, and ensure that the end of the other group of telescopic frames 1 coincides with the position to be measured, and one end of the other group of telescopic frames 1 is set on the L-shaped bearing plate 4, so that the two groups of telescopic frames 1 are perpendicular to each other, and the laser rangefinder is placed at the corresponding position on the telescopic frame 1, so that the measuring route avoids obstacles, which can meet the use of various scenarios. Of course, for complex venues, multiple groups of bases 1 can be arranged to corresponding positions in advance, which can greatly improve the detection efficiency and improve the detection accuracy.

[0030] Embodiment 2:

[0031] Based on Example 1, please refer to Figures 1 to 4 A ratchet groove 108 is provided on the inner side of the slide rail 105 along its length direction, a ratchet 109 is rotatably connected to the slide seat 106, a torsion spring 110 is provided on the rotating shaft of the ratchet 109, one end of the torsion spring 110 is fixed to the slide seat 106, and the other end of the torsion spring 110 is fixed to the ratchet 109, and the ratchet 109 is arranged in cooperation with the ratchet groove 108; the ratchet 109 mechanism can prevent the slide seat 106 from sliding downward under the action of its own weight when there is no operation, so as to ensure the accuracy of measurement and reduce the difficulty of operation;

[0032] In this embodiment, a scale 111 is provided on the slide rail 105; the scale 111 is used to assist in checking the detection position, and multiple positions along the telescopic frame 1 can be detected to obtain the average value of multiple detection positions, thereby further improving the detection accuracy.

[0033] Embodiment 3:

[0034] Based on Example 1, please refer to Figures 1 to 4 A baffle 112 is fixed to the other end of the end frame 101 and the end of the second frame 103 along its length direction, and a baffle groove 113 is opened at the end of the first frame 102 and the end of the third frame 104 corresponding to the position of the baffle 112, and the baffle 112 and the baffle groove 113 are arranged in coordination with each other; the baffle 112 is used to limit the first frame 102 and the third frame 104 to ensure that the use surface is flat after the telescopic frame 1 is unfolded.

[0035] Embodiment 4:

[0036] Based on Example 1, please refer to Figures 1 to 4 The lower end surface of the base 2 is provided with a T-slot 204, in which a nail plate 205 is inserted; the nail plate 205 can be installed using the T-slot 204 on the base 2, and the nail plate 205 is placed on a soft ground to prevent the base 2 from sliding. It can be used on a variety of grounds, thereby increasing the scope of use.

[0037] In this embodiment, a plurality of mounting holes 206 are provided on the base 2. The mounting holes 206 can be used to reserve mounting positions for connectors. For complex detection environments, the base 2 can be fixed to a wall or other supporting objects through external connectors (such as bolts) in advance, and then the next step of measurement can be performed. After the measurement is completed, the base 2 can be removed.

[0038] In this embodiment, a through slot 114 is formed on the slide seat 106 , and one end of the L-shaped carrier plate 4 is inserted into the through slot 114 . The design of the through slot 114 can facilitate the removal and replacement of the L-shaped carrier plate 4 .

[0039] In this embodiment, two sets of levels 115 are provided on the end frame 101 ; the level 115 is used to observe the horizontal state of the telescopic frame 1 to ensure the horizontal and vertical state of the telescopic frame 1 .

[0040] The working process of the utility model is as follows:

[0041] The operator can choose the length of the telescopic frame 1 to be unfolded according to different usage scenarios. When the telescopic frame 1 needs to be unfolded, the end frame 101, the first frame body 102, the second frame body 103, and the third frame body 104 are unfolded at an angle of 180° between each other, and then the first frame body 102 and the third frame body 104 are pushed toward the hollow shaft 301 to make the end frame 101, the first frame body 102, the second frame body 103, and the third frame body 104 flush, and the half shafts 307 are separated and respectively plugged into the corresponding limit The end frame 101, the first frame body 102, the second frame body 103, and the third frame body 104 are locked to each other to realize the expansion of the telescopic frame 1. Of course, the expansion length can be selected according to the use requirements, and the expanded part of the telescopic frame 1 is locked by the connecting component 3. When the ball seat 202 is leveled under the action of its own weight, the stud 503 is rotated, and the rubber friction pad 505 is used to fit on the side wall of the ball seat 202. The friction between the two is used to lock the ball seat 202, and the limit assembly is used to lock the ball seat 202. Part 5 locks the spherical seat 202 on the base 2 to provide support for the unfolded telescopic frame 1. When the ground is uneven or the measuring position is too low (for example, if the floor height of a house needs to be measured, the rangefinder generally needs to be placed on the ground and the operator bends over to operate), the base 2 and the telescopic frame 1 can be placed in place, and the rangefinder can be placed on the L-shaped bearing plate 4 for measurement; and when there are obstacles on the detection route that block the laser, two groups of telescopic frames 1 can be used in combination, one group of telescopic frames 1 is placed on one side of the surface to be measured along the vertical direction, and the other group of telescopic frames 1 is placed along the vertical direction and along the horizontal direction, and it is ensured that the end of the other group of telescopic frames 1 coincides with the position to be measured, and one end of the other group of telescopic frames 1 is set on the L-shaped bearing plate 4, so that the two groups of telescopic frames 1 are perpendicular to each other, and the laser rangefinder is placed at the corresponding position on the telescopic frame 1, so that the measurement route avoids obstacles, which can meet the use of various scenarios. Of course, for complex sites, multiple groups of bases 1 can be arranged to corresponding positions in advance, which can greatly improve the detection efficiency and the detection accuracy.

[0042] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A multifunctional telescopic bracket for a laser rangefinder, comprising a telescopic bracket (1) and a base (2), wherein the telescopic bracket (1) and the base (2) are assembled and installed, and characterized in that: The telescopic frame (1) comprises an end frame (101), a first frame body (102), a second frame body (103), a third frame body (104), a connecting assembly (3), and a slide rail (105); the slide rail (105) is embedded in the end frame (101), the first frame body (102), the second frame body (103), and the third frame body (104); a slide seat (106) is slidably connected to the slide rail (105); an L-shaped bearing plate (4) is provided on the slide seat (106); a magnet (107) is fixed to one end of the end frame (101); and the other end of the end frame (101) is connected to the first frame body (102) through the connecting assembly (3). One end of the first frame (102) is connected, the other end of the first frame (102) is connected to one end of the second frame (103) through a connecting assembly (3), and the other end of the second frame (103) is connected to the end of the third frame (104) through the connecting assembly (3), the base (2) is provided with a slide groove (201), a ball seat (202) is slidably connected in the slide groove (201), a mounting seat (203) is provided on the ball seat (202), the mounting seat (203) is made of magnetic metal material, and the mounting seat (203) is matched with the magnet (107), and a limit assembly (5) is provided between the ball seat (202) and the base (2), wherein The connecting assembly (3) comprises a hollow rotating shaft (301), a connecting shaft (302), a first spring (303), a second spring (304), a limiting groove (305), a cover plate (306), a half shaft (307), and an end block (308); one end of the hollow rotating shaft (301) is fixed to the other end of the end frame (101) and the end of the second frame (103); one end of the connecting shaft (302) is axially slidably connected to the hollow rotating shaft (301); one end of the connecting shaft (302) is fixed to one end of the first spring (303); the other end of the first spring (303) is fixed in the hollow rotating shaft (301); and the connecting shaft (302) is fixed to one end of the first spring (303); ) is rotatably connected to one end of the two groups of half shafts (307), the combination of the two groups of half shafts (307) is plugged into one end of the first frame (102) and one end of the third frame (104), the end block (308) is fixed to the end of the half shaft (307), the limiting groove (305) is embedded and installed in the other end of the end frame (101), the end of the first frame (102), the end of the second frame (103), and the end of the third frame (104), and the cover plate (306) is slidably connected to the notch of the limiting groove (305), and the second spring (304) is installed between the bottom of the cover plate (306) and the limiting groove (305); The limit assembly (5) comprises a slider (501), a fixed block (502), a stud (503), a rotating handle (504), and a rubber friction pad (505); the slider (501) is slidably connected to the base (2) along the diameter direction of the spherical seat (202); the fixed block (502) is fixed to the base (2); the stud (503) is threadedly connected to the fixed block (502); one end of the stud (503) passes through the fixed block (502) and is rotatably connected to the slider (501); the rubber friction pad (505) is installed on a side of the slider (501) close to the spherical seat (202); and the rotating handle (504) is axially fixed to the other end of the stud (503).

2. The multifunctional telescopic bracket for a laser rangefinder according to claim 1, characterized in that: A ratchet groove (108) is provided on the inner side of the slide rail (105) along its length direction; a ratchet pawl (109) is rotatably connected to the slide seat (106); a torsion spring (110) is provided on the rotation axis of the ratchet pawl (109); one end of the torsion spring (110) is fixed to the slide seat (106); the other end of the torsion spring (110) is fixed to the ratchet pawl (109); the ratchet pawl (109) is matched with the ratchet groove (108).

3. The multifunctional telescopic bracket for a laser rangefinder according to claim 2, characterized in that: The slide rail (105) is provided with a scale (111).

4. The multifunctional telescopic bracket for a laser rangefinder according to claim 1, characterized in that: A baffle (112) is fixed along the length direction of the other end of the end frame (101) and the end of the second frame body (103); a baffle groove (113) is provided at the end of the first frame body (102) and the end of the third frame body (104) at a position corresponding to the baffle plate (112); and the baffle plate (112) and the baffle groove (113) are arranged in coordination.

5. The multifunctional telescopic bracket for a laser rangefinder according to claim 1, characterized in that: The lower end surface of the base (2) is provided with a T-shaped slot (204), and a nail plate (205) is inserted into the T-shaped slot (204).

6. The multifunctional telescopic bracket for a laser rangefinder according to claim 1, characterized in that: The base (2) has a plurality of mounting through holes (206).

7. The multifunctional telescopic bracket for a laser rangefinder according to claim 1, characterized in that: The slide seat (106) is provided with a through slot (114), and one end of the L-shaped bearing plate (4) is inserted into the through slot (114).

8. The multifunctional telescopic bracket for a laser rangefinder according to claim 1, characterized in that: Two sets of level gauges (115) are arranged on the end frame (101).

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