Laser swinger for engineering quality detection

Abstract

The utility model relates to the technical field of laser swingers, and discloses a laser swinger for engineering quality detection, which comprises a placing plate and a laser swinger body, a laser transmitter body is fixedly mounted in the front of the laser swinger body, and transparent glass is positioned on the front of the laser transmitter body. According to the laser swinger for engineering quality detection, a first handle can be rotated by hand, the first handle drives a first threaded rod to rotate, and then a first connecting plate in threaded connection to the outer side of the first threaded rod enables a protection plate to move downwards on the front face of the laser swinger body under the mutual cooperation effect of a sliding rod and a second connecting plate; and when the laser emitter moves to the front surface of the transparent glass and completely covers the transparent glass, rotation of the first handle can be stopped, the protection performance of the outer side of the laser emitter body can be improved by arranging the protection plate, and the situation that the laser emitter is crashed or scratched by hard objects when the laser swinger is not used or transported is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of laser levelers, in particular to a laser leveler for engineering quality detection. Background Art

[0002] The purpose of project supervision is to ensure the quality and safety of project construction and to improve the level of project construction. Laser leveling instruments are needed in project supervision and project quality inspection. The instrument emits laser lines and measures the position where the laser lines reach to determine whether the ground meets the required levelness. It is suitable for large-area floor construction in various standard factories, parking lots, warehouses, frame buildings, etc.

[0003] For example, Chinese patent CN206269817U discloses a laser leveling instrument, including a shell, a gear train device, a laser transmitter, a gyro sensor and a display screen. The gear train device and the gyro sensor are both placed at the inner bottom of the shell, and the gyro sensor is on one side of the gear train device. The laser transmitter is placed at the lower end of the shell, corresponding to the bottom of the gear train device, and is connected to the gear train device. The gear train device drives the laser transmitter to rotate; the display screen is placed at the inner top of the shell, and the shell is transparent at the position corresponding to the display screen. The gyro sensor and the laser transmitter are both connected to the display screen through lines. Compared with the prior art, the utility model improves the accuracy of flatness detection, is easy to carry, simple to operate, has a wide range of uses, and is low in cost.

[0004] Although the above patent can improve the accuracy of flatness detection, is easy to carry, simple to operate, widely used and low in cost, the laser emitter in the patent is exposed on the outside. When the laser leveler is not in use or transported, it is easy for hard objects to smash or scratch the laser emitter, thereby reducing its practicality. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a laser leveling instrument for engineering quality inspection, which has the advantages of improving the protection performance of the outer side of the laser emitter when the laser leveling instrument is not in use or transported, and solves the problem that the laser emitter is exposed to the outside and is easily smashed or scratched by hard objects when the laser leveling instrument is not in use or transported.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laser leveling instrument for engineering quality inspection, comprising a placement plate and a laser leveling instrument body, a laser emitter body is fixedly installed inside the front of the laser leveling instrument body, a transparent glass is fixed inside the front of the laser leveling instrument body, the transparent glass is located on the front of the laser emitter body, a protective mechanism is provided on the front of the laser leveling instrument body, and an adjustment mechanism is provided on the upper surface of the placement plate;

[0007] The protective mechanism includes two first connecting blocks, two second connecting blocks, a first threaded rod, a sliding rod, a first handle and a connecting assembly. The two first connecting blocks are fixed on the upper and lower sides of the left side of the laser leveling instrument body, and the two second connecting blocks are fixed on the upper and lower sides of the right side of the laser leveling instrument body. The first threaded rod is rotatably connected to the opposite side of the upper and lower first connecting blocks through a bearing, and the sliding rod is fixed to the opposite side of the upper and lower second connecting blocks. The bottom end of the first handle is fixedly connected to the top end of the first threaded rod.

[0008] By adopting this technical solution, the protection performance of the outer side of the laser transmitter can be improved when the laser leveling instrument is not in use or transported.

[0009] Furthermore, the connecting assembly includes a first connecting plate, a second connecting plate and a protective plate, the first connecting plate is threadedly connected to the outside of the first threaded rod, the second connecting plate is slidably connected to the outside of the sliding rod, the right side of the first connecting plate is fixedly connected to the left side of the protective plate, the left side of the second connecting plate is fixedly connected to the right side of the protective plate, and the back side of the protective plate is in contact with the front side of the laser leveling instrument body.

[0010] By adopting this technical solution, the outer side of the laser transmitter body can be protected by the protective plate.

[0011] Furthermore, the second connecting plate moves linearly up and down on the outer side of the sliding rod, and the inner diameter of the second connecting plate is matched with the outer diameter of the sliding rod.

[0012] By adopting this technical solution, the stability of the protective plate in moving up and down is improved.

[0013] Furthermore, the adjustment mechanism includes a rectangular adjustment frame, a second threaded rod, a second handle, two rectangular moving blocks, two connecting rods and four telescopic rods. The lower surface of the rectangular adjustment frame is fixedly connected to the upper surface of the placement plate. The second threaded rod is rotatably connected to the inside of the rectangular adjustment frame through a bearing. The left side of the second handle is fixedly connected to the right side of the second threaded rod. The two rectangular moving blocks are both threadedly connected to the outside of the second threaded rod. The outer side of the bottom end of the connecting rod is hingedly connected to the upper surface of the rectangular moving block through a hinge seat. The outer side of the top end of the connecting rod is hingedly connected to the lower surface of the laser leveler body through a hinge seat. The four telescopic rods are all fixed at the four corners of the lower surface of the laser leveler body. The bottom end of the telescopic rod is fixedly connected to the upper surface of the placement plate.

[0014] By adopting this technical solution, the horizontal height of the laser leveler can be adjusted through the adjustment mechanism, thereby improving practicality.

[0015] Furthermore, the rectangular adjustment frame is located on the longitudinal center axis of the placement plate, and the rectangular moving block performs left-right linear movement inside the rectangular adjustment frame.

[0016] By adopting this technical solution, the rectangular moving block can move left and right inside the rectangular adjustment frame, and then the horizontal height of the laser leveler body can be adjusted.

[0017] Furthermore, the telescopic rod comprises a first movable rod, the outer side of the first movable rod is slidably connected to a second movable rod, and the outer side of the second movable rod is slidably connected to a third movable rod.

[0018] By adopting this technical solution, the stability of the laser leveler body in adjusting the horizontal height up and down can be improved through four telescopic rods.

[0019] Furthermore, threaded holes are opened at the four corners of the lower surface of the placement plate, the internal threads of the threaded holes are connected to a third threaded rod, a handwheel is fixed to the top of the third threaded rod, the bottom end of the third threaded rod is rotatably connected to a fixed block through a bearing, and an anti-sliding block is fixed to the lower surface of the fixed block.

[0020] By adopting this technical solution, the stability of the placement of the laser leveler can be adjusted by rotating four hand wheels respectively.

[0021] Furthermore, the anti-sliding block is a rubber block, and the four threaded holes are distributed in a rectangular shape at the four corners of the lower surface of the placement plate.

[0022] By adopting this technical solution, the stability of the placement of the laser leveler can be improved through four anti-sliding blocks.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] 1. The laser leveler for engineering quality inspection can rotate the first handle by hand, and the first handle drives the first threaded rod to rotate. Then, the first connecting plate threadedly connected to the outside of the first threaded rod cooperates with the second connecting plate through the sliding rod to move the protective plate downward on the front of the laser leveler body. When it moves to the front of the transparent glass and completely covers the transparent glass, the first handle can be stopped from rotating. By setting the protective plate, the protection performance of the outside of the laser transmitter body can be improved, and the laser transmitter can be reduced from being smashed or scratched by hard objects when the laser leveler is not in use or transported.

[0025] 2. The laser leveler for engineering quality inspection can be used by rotating the second handle to drive the second threaded rod to rotate when using the laser leveler. The two rectangular moving blocks threadedly connected to the outside of the second threaded rod can move synchronously in relative directions or in opposite directions inside the rectangular adjustment frame. Then, the horizontal height of the laser leveler can be adjusted through the cooperation of the left and right connecting rods and four telescopic rods to improve practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the protection mechanism of the utility model;

[0028] Figure 3 This is a schematic diagram of the adjustment mechanism of the utility model;

[0029] Figure 4 It is a three-dimensional diagram of the placement plate and the rectangular adjustment frame of the utility model.

[0030] In the figure: 1. placement plate; 2. laser leveling instrument body; 3. laser transmitter body; 4. transparent glass; 5. protection mechanism; 51. first connecting block; 52. second connecting block; 53. first threaded rod; 54. sliding rod; 55. first handle; 56. connecting assembly; 561. first connecting plate; 562. second connecting plate; 563. protection plate; 6. adjustment mechanism; 61. rectangular adjustment frame; 62. second threaded rod; 63. second handle; 64. rectangular moving block; 65. connecting rod; 66. telescopic rod; 7. threaded hole; 8. third threaded rod; 9. handwheel; 10. fixing block; 11. anti-sliding block. DETAILED DESCRIPTION

[0031] 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.

[0032] See also Figure 1 The laser leveler for engineering quality inspection in this embodiment includes a placement plate 1 and a laser leveler body 2. A laser emitter body 3 is fixedly installed inside the front of the laser leveler body 2. A transparent glass 4 is fixed inside the front of the laser leveler body 2. The transparent glass 4 is located in front of the laser emitter body 3. A protective mechanism 5 is provided on the front of the laser leveler body 2. The protective mechanism 5 can improve the protective performance of the outer side of the laser emitter when the laser leveler is not in use or transported. An adjustment mechanism 6 is provided on the upper surface of the placement plate 1. The adjustment mechanism 6 can adjust the horizontal height of the laser leveler to improve practicality.

[0033] In this embodiment, threaded holes 7 are opened at the four corners of the lower surface of the placement plate 1, and the internal threads of the threaded holes 7 are connected to the third threaded rod 8. A handwheel 9 is fixed to the top of the third threaded rod 8, and the bottom end of the third threaded rod 8 is rotatably connected to a fixed block 10 through a bearing. An anti-sliding block 11 is fixed to the lower surface of the fixed block 10, and the anti-sliding block 11 is a rubber block. The four threaded holes 7 are distributed in a rectangular shape at the four corners of the lower surface of the placement plate 1.

[0034] It should be noted that when the laser leveler is placed on the ground for measurement, the four hand wheels 9 can be rotated respectively, and then the four third threaded rods 8 can be driven to rotate inside the four threaded holes 7 respectively, and then the stability of the placement of the laser leveler body 2 can be adjusted to improve practicality.

[0035] See also Figure 2 In order to improve the protection performance of the outer side of the laser transmitter when the laser leveler is not in use or transported, in this embodiment, the protection mechanism 5 includes two first connecting blocks 51, two second connecting blocks 52, a first threaded rod 53, a sliding rod 54, a first handle 55 and a connecting assembly 56. The two first connecting blocks 51 are fixed on the upper and lower sides of the left side of the laser leveler body 2, and the two second connecting blocks 52 are fixed on the upper and lower sides of the right side of the laser leveler body 2. The first threaded rod 53 is rotatably connected to the opposite side of the upper and lower first connecting blocks 51 through a bearing, and the sliding rod 54 is fixed to the opposite side of the upper and lower second connecting blocks 52. The bottom end of the first handle 55 is fixedly connected to the top end of the first threaded rod 53.

[0036] In this embodiment, the connecting assembly 56 includes a first connecting plate 561, a second connecting plate 562 and a protective plate 563. The first connecting plate 561 is threadedly connected to the outer side of the first threaded rod 53, and the second connecting plate 562 is slidably connected to the outer side of the sliding rod 54. The right side of the first connecting plate 561 is fixedly connected to the left side of the protective plate 563, and the left side of the second connecting plate 562 is fixedly connected to the right side of the protective plate 563. The back side of the protective plate 563 is in contact with the front side of the laser leveling instrument body 2. The second connecting plate 562 moves linearly up and down on the outer side of the sliding rod 54, and the inner diameter of the second connecting plate 562 is adapted to the outer diameter of the sliding rod 54.

[0037] It should be noted that when the laser leveler is not in use or is being transported, the first handle 55 can be rotated by hand, and the first handle 55 drives the first threaded rod 53 to rotate. Then, the first connecting plate 561 threadedly connected to the outside of the first threaded rod 53 cooperates with the second connecting plate 562 through the sliding rod 54 to move the protective plate 563 downward on the front side of the laser leveler body 2. When it moves to the front side of the transparent glass 4 and completely covers the transparent glass 4, the first handle 55 can be stopped from being rotated.

[0038] It should be noted that the provision of the protective plate 563 can improve the protection performance of the outer side of the laser transmitter body 3, thereby reducing the risk of the laser transmitter being smashed or scratched by hard objects when the laser leveler is not in use or is being transported.

[0039] See also Figure 3-4 In order to adjust the horizontal height of the laser leveler and improve practicality, in this embodiment, the adjustment mechanism 6 includes a rectangular adjustment frame 61, a second threaded rod 62, a second handle 63, two rectangular moving blocks 64, two connecting rods 65 and four telescopic rods 66. The lower surface of the rectangular adjustment frame 61 is fixedly connected to the upper surface of the placement plate 1, and the second threaded rod 62 is rotatably connected to the inside of the rectangular adjustment frame 61 through a bearing. The left side of the second handle 63 is fixedly connected to the right side of the second threaded rod 62. The outer side of the second threaded rod 62 is engraved with threads in opposite directions. When the second threaded rod 62 rotates, the two objects threadedly connected to the outer side of the second threaded rod 62 can move synchronously in relative directions or synchronously in opposite directions on the outer side of the second threaded rod 62.

[0040] In this embodiment, the two rectangular moving blocks 64 are threadedly connected to the outer side of the second threaded rod 62, the outer side of the bottom end of the connecting rod 65 is hingedly connected to the upper surface of the rectangular moving block 64 through a hinge seat, and the outer side of the top end of the connecting rod 65 is hingedly connected to the lower surface of the laser leveling instrument body 2 through a hinge seat. The four telescopic rods 66 are fixed at the four corners of the lower surface of the laser leveling instrument body 2, and the bottom end of the telescopic rod 66 is fixedly connected to the upper surface of the placement plate 1.

[0041] In this embodiment, the rectangular adjustment frame 61 is located on the longitudinal center axis of the placement plate 1, the rectangular movable block 64 makes left and right linear movements inside the rectangular adjustment frame 61, and the telescopic rod 66 includes a first movable rod, the outer side of the first movable rod is slidably connected to the second movable rod, and the outer side of the second movable rod is slidably connected to the third movable rod.

[0042] It should be noted that when using the laser leveler, the second handle 63 can be rotated to drive the second threaded rod 62 to rotate, and the two rectangular moving blocks 64 threadedly connected to the outside of the second threaded rod 62 can move synchronously in relative directions or synchronously in opposite directions inside the rectangular adjustment frame 61, and then the horizontal height of the laser leveler can be adjusted through the cooperation of the left and right side connecting rods 65 and the four telescopic rods 66.

[0043] The working principle of the above embodiment is:

[0044] (1) When the laser leveler is not in use or is being transported, the first handle 55 can be rotated by hand, and the first handle 55 drives the first threaded rod 53 to rotate. Then, the first connecting plate 561 threadedly connected to the outer side of the first threaded rod 53 cooperates with the second connecting plate 562 through the sliding rod 54 to move the protective plate 563 downward on the front side of the laser leveler body 2. When the protective plate 563 moves to the front side of the transparent glass 4 and completely covers the transparent glass 4, the first handle 55 can be stopped from being rotated. By setting the protective plate 563, the protection performance of the outer side of the laser emitter body 3 can be improved, thereby reducing the risk of the laser emitter being smashed or scratched by hard objects when the laser leveler is not in use or is being transported.

[0045] (2) When using the laser leveler, the second handle 63 can be rotated to drive the second threaded rod 62 to rotate, and the two rectangular moving blocks 64 threadedly connected to the outside of the second threaded rod 62 can move synchronously in relative directions or synchronously in opposite directions inside the rectangular adjustment frame 61. Then, the horizontal height of the laser leveler can be adjusted through the cooperation of the left and right connecting rods 65 and the four telescopic rods 66. When the laser leveler is placed on the ground for measurement, the four hand wheels 9 can be rotated respectively, and then the four third threaded rods 8 can be driven to rotate inside the four threaded holes 7 respectively. Then, the stability of the placement of the laser leveler body 2 can be adjusted to improve practicality.

Claims

1. A laser leveling instrument for engineering quality inspection, comprising a placement plate (1) and a laser leveling instrument body (2), characterized in that: A laser transmitter body (3) is fixedly mounted inside the front of the laser leveling instrument body (2); a transparent glass (4) is fixed inside the front of the laser leveling instrument body (2); the transparent glass (4) is located on the front of the laser transmitter body (3); a protective mechanism (5) is provided on the front of the laser leveling instrument body (2); and an adjustment mechanism (6) is provided on the upper surface of the placement plate (1); The protection mechanism (5) comprises two first connection blocks (51), two second connection blocks (52), a first threaded rod (53), a sliding rod (54), a first handle (55) and a connection assembly (56); the two first connection blocks (51) are fixed to upper and lower sides of the left side of the laser leveling instrument body (2); the two second connection blocks (52) are fixed to upper and lower sides of the right side of the laser leveling instrument body (2); the first threaded rod (53) is rotatably connected to opposite sides of the upper and lower first connection blocks (51) via a bearing; the sliding rod (54) is fixed to opposite sides of the upper and lower second connection blocks (52); and the bottom end of the first handle (55) is fixedly connected to the top end of the first threaded rod (53).

2. The laser leveling instrument for engineering quality inspection according to claim 1, characterized in that: The connecting assembly (56) comprises a first connecting plate (561), a second connecting plate (562) and a protective plate (563); the first connecting plate (561) is threadedly connected to the outside of the first threaded rod (53); the second connecting plate (562) is slidably connected to the outside of the sliding rod (54); the right side of the first connecting plate (561) is fixedly connected to the left side of the protective plate (563); the left side of the second connecting plate (562) is fixedly connected to the right side of the protective plate (563); and the back side of the protective plate (563) is in contact with the front side of the laser leveling instrument body (2).

3. The laser leveling instrument for engineering quality inspection according to claim 2, characterized in that: The second connecting plate (562) moves linearly up and down on the outside of the sliding rod (54), and the inner diameter of the second connecting plate (562) is matched with the outer diameter of the sliding rod (54).

4. The laser leveling instrument for engineering quality inspection according to claim 1, characterized in that: The adjustment mechanism (6) comprises a rectangular adjustment frame (61), a second threaded rod (62), a second handle (63), two rectangular moving blocks (64), two connecting rods (65) and four telescopic rods (66); the lower surface of the rectangular adjustment frame (61) is fixedly connected to the upper surface of the placement plate (1); the second threaded rod (62) is rotatably connected to the inside of the rectangular adjustment frame (61) via a bearing; the left side of the second handle (63) is fixedly connected to the right side of the second threaded rod (62); the two rectangular moving blocks (64) are both threadedly connected to the outer side of the second threaded rod (62); the outer side of the bottom end of the connecting rod (65) is hingedly connected to the upper surface of the rectangular moving block (64) via a hinge seat; the outer side of the top end of the connecting rod (65) is hingedly connected to the lower surface of the laser leveling instrument body (2) via a hinge seat; the four telescopic rods (66) are all fixed at the four corners of the lower surface of the laser leveling instrument body (2); and the bottom end of the telescopic rod (66) is fixedly connected to the upper surface of the placement plate (1).

5. The laser leveling instrument for engineering quality inspection according to claim 4, characterized in that: The rectangular adjustment frame (61) is located on the longitudinal center axis of the placement plate (1), and the rectangular moving block (64) moves linearly left and right inside the rectangular adjustment frame (61).

6. The laser leveling instrument for engineering quality inspection according to claim 4, characterized in that: The telescopic rod (66) comprises a first movable rod, the outer side of the first movable rod is slidably connected to a second movable rod, and the outer side of the second movable rod is slidably connected to a third movable rod.

7. The laser leveling instrument for engineering quality inspection according to claim 1, characterized in that: The four corners of the lower surface of the placement plate (1) are provided with threaded holes (7), the inner threads of the threaded holes (7) are connected to a third threaded rod (8), a hand wheel (9) is fixed to the top end of the third threaded rod (8), the bottom end of the third threaded rod (8) is rotatably connected to a fixed block (10) via a bearing, and an anti-sliding block (11) is fixed to the lower surface of the fixed block (10).

8. The laser leveling instrument for engineering quality inspection according to claim 7, characterized in that: The anti-sliding block (11) is a rubber block, and the four threaded holes (7) are distributed in a rectangular shape at the four corners of the lower surface of the placement plate (1).

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