Anti-seismic and anti-falling laser demarcation device and use method thereof

Abstract

The invention relates to an anti-seismic and anti-falling laser demarcation device which comprises a base and a demarcation device body, and telescopic supporting legs are arranged at the bottom of the base; a connecting rod is arranged on the base, a connecting ball is fixed on the connecting rod, a connecting plate is sleeved on the connecting ball, a connecting box is arranged below the connecting plate, and the connecting box is rotatably connected with the connecting ball; the connecting box is provided with a stator assembly, a rotor assembly is arranged in the middle of the stator assembly and comprises a rotor body, the rotor body is provided with a connecting hole, a transmission rod in threaded connection with the connecting hole is arranged in the connecting hole, a pressing plate is fixed to the lower end of the transmission rod, a suction cup is arranged below the pressing plate, and a plurality of protrusions are arranged on the outer edge of the suction cup. According to the projection device, the projection device can be conveniently and rapidly fixedly placed on an inclined platform with the gradient of 5-30 degrees and can normally project horizontal and vertical laser rays, and the conditions of movement and falling cannot occur even if the projection device is vibrated.

Description

Technical Field

[0001] This invention relates to the field of laser line projection equipment, and in particular to an anti-vibration and anti-fall laser line projector and its usage method. Background Technology

[0002] Laser line projectors are widely used in construction, interior decoration, and other scenarios to project horizontal and vertical laser lines for positioning. Existing laser line projectors generally have a horizontal rotation function. Before use, the laser line projector needs to be placed on the ground, table, or other platform. Then, it is turned on to project the laser line, and the projector body is rotated to project the laser line to the predetermined position. However, in actual use, the platform on which the laser line projector is placed is often a plane with a certain angle. During use, a compensator or similar structure is needed to adjust the laser line horizontally and vertically. However, existing compensator structures have a limited adjustment range, generally only ±4°, which is insufficient to meet the angle adjustment requirements of laser line projectors placed on platforms with significant inclination. Furthermore, the operating environment of laser line projectors often involves significant vibrations. These vibrations, transmitted to the platform, can easily cause the laser line projector to shift or even fall off the platform, resulting in the risk of misaligned laser lines or damage from a fall. Summary of the Invention

[0003] The purpose of this invention is to provide a shock-resistant and fall-proof laser line projector suitable for placement on platforms with a large slope and minimal impact from vibration.

[0004] The technical solution for achieving the objective of this invention is as follows:

[0005] An anti-vibration and anti-fall laser line projector includes a base and a line projector body connected to the base. The bottom of the base is provided with multiple retractable support legs.

[0006] The base has a connecting rod at its bottom, a connecting ball fixed at its lower end, a connecting plate fitted onto the connecting ball, and a through hole on the connecting plate. The diameter of the through hole is smaller than the diameter of the connecting ball but larger than the diameter of the connecting rod. The through hole contacts the upper half of the connecting ball. A connecting box is located below the connecting plate, and a connecting groove is located at the upper end of the connecting box. The connecting groove is hemispherical, and the connecting ball abuts against the connecting groove. The connecting plate is fixedly connected to the connecting box, and the connecting box is rotatably connected to the connecting ball.

[0007] The connecting box has a downward-opening mounting cavity, and a mounting base is fixed inside the mounting cavity. The mounting base has a through mounting hole, and a stator assembly is fixedly connected to the mounting base inside the mounting hole. Bearing mounting seats, fixedly connected to the mounting base, are provided above and below the stator assembly. Bearing mounting seats are provided with bearings. A rotor assembly is provided in the middle of the stator assembly. The rotor assembly includes a rotor body. The bearings are respectively fitted onto the upper and lower ends of the rotor body. The rotor body has a through connecting hole, and the inner wall of the connecting hole has an internal thread. A transmission rod is provided inside the connecting hole and threadedly connected to the connecting hole. A pressure plate is fixed to the lower end of the transmission rod. Multiple guide rods are fixed to the upper surface of the pressure plate. The mounting base has guide holes corresponding to the guide rods. The guide rods are inserted into the guide holes and slide in cooperation with the guide holes.

[0008] A suction cup is provided below the pressure plate, and a positioning rod is fixed on the upper surface of the suction cup. The pressure plate and the transmission rod are provided with a positioning hole that runs vertically through each other. A positioning groove corresponding to the positioning hole is provided inside the connecting box. The positioning rod passes upward through the positioning hole and is inserted into the positioning groove.

[0009] The outer edge of the suction cup is provided with multiple protrusions, and a connecting line is fixed on the protrusion, which is fixedly connected to the pressure plate.

[0010] With the above structure, the laser projector is held in hand and placed on the platform. The stator assembly drives the rotor assembly to rotate, causing the transmission rod to extend downwards. The pressure plate presses down on the suction cup, which is then sucked into and fixed to the platform. The upper end of the positioning rod is always located in the positioning groove to prevent the positioning rod and the main body of the laser projector from shaking. Then, the length of the telescopic support leg is adjusted so that the main body of the laser projector is placed horizontally, thereby ensuring that the laser projector projects horizontal and vertical laser lines. At the same time, it can prevent the laser projector from moving or even falling due to vibration. This invention allows the laser projector to be conveniently and quickly fixed on an inclined platform with a slope of 5°-30° and to project horizontal and vertical laser lines normally. Even if it is subjected to vibration, it will not move or fall.

[0011] Preferably, to facilitate the length adjustment of the retractable support leg, the retractable support leg includes a connecting tube fixedly connected to the base and an adjusting leg threadedly connected to the connecting tube. In this way, by rotating the adjusting leg, the length of the adjusting leg extending out of the connecting tube can be adjusted, thereby adjusting the overall length of the retractable support leg.

[0012] Preferably, in order to observe whether the main body of the projector is horizontal, a first cylindrical level and a second cylindrical level that are perpendicular to each other are fixed on the main body of the projector.

[0013] Preferably, in order to improve the stability of the connection between the suction cup and the platform, the bottom of the suction cup is provided with removable adhesive.

[0014] Preferably, in order to facilitate the rotation of the connecting plate, the base is provided with a clearance groove, and the connecting rod is fixed in the clearance groove.

[0015] Preferably, in order to facilitate the connection between the connecting wire and the protrusion and the pressure plate, a lower connecting block is fixed at the upper end of the protrusion, and an upper connecting block corresponding to the lower connecting block is provided on the pressure plate. One end of the connecting wire is fixedly connected to the lower connecting block, and the other end is fixedly connected to the upper connecting block.

[0016] The method of using the earthquake-resistant and fall-prevention laser line projector, including the earthquake-resistant and fall-prevention laser line projector as described in the above-mentioned item, includes the following steps.

[0017] Step A: Hold the cable projector body and place it on the platform to be installed;

[0018] Step B: The stator assembly drives the rotor assembly to rotate, thereby causing the transmission rod to extend downward, the pressure plate to press the suction cup, and the suction cup to be fixedly connected to the platform;

[0019] Step C: Adjust the retractable support legs so that the main body of the projector is in a horizontal position;

[0020] Step D: Turn on the projector to project laser lines;

[0021] Step E: After the line projector is used, the stator assembly drives the rotor assembly to reverse, thereby raising the transmission rod, disengaging the pressure plate from the suction cup, and pulling the outer edge of the suction cup upward through the connecting line, allowing air to enter the suction cup and detaching the suction cup from the platform. Then the line projector can be removed from the platform.

[0022] Preferably, to facilitate the adjustment of the retractable support leg, the retractable support leg includes a connecting pipe fixedly connected to the base and an adjusting leg threadedly connected to the connecting pipe. In step C, adjusting the retractable support leg only requires rotating the adjusting leg.

[0023] Preferably, in order to visually check the levelness of the main body of the projector, a first cylindrical level and a second cylindrical level that are perpendicular to each other are fixed on the main body of the projector. The length of the telescopic support leg is adjusted according to the first cylindrical level and the second cylindrical level so that the main body of the projector is placed in a horizontal position.

[0024] Preferably, in order to improve the connection strength between the suction cup and the platform, a removable adhesive is provided at the bottom of the suction cup. After the line projector is removed, the removable adhesive is cleaned, and then plastic film is attached to the removable adhesive. Attached Figure Description

[0025] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0026] Figure 1 This is a schematic diagram of the structure of the present invention.

[0027] Figure 2 This is a side view of the present invention.

[0028] Figure 3 This is a schematic diagram of the connection box assembly structure of the present invention.

[0029] Figure 4 This is a schematic diagram of the suction cup structure of the present invention.

[0030] Figure 5 This is a schematic diagram of the assembly structure of the pressure plate and suction cup of the present invention. Detailed Implementation

[0031] like Figures 1 to 5As shown, the anti-vibration and anti-fall laser line projector of the present invention includes a base 1 and a line projector body 2 connected to the base. The bottom of the base is provided with a plurality of retractable support legs. The retractable support legs include a connecting pipe 3 fixedly connected to the base and an adjusting leg 4 threadedly connected to the connecting pipe. The base has a connecting rod 5 at its bottom, a connecting ball 6 fixed at its lower end, a connecting plate 7 fitted onto the connecting ball, and a through hole on the connecting plate. The diameter of the through hole is smaller than the diameter of the connecting ball but larger than the diameter of the connecting rod. The through hole contacts the upper half of the connecting ball. A connecting box 8 is located below the connecting plate, and a connecting groove 9 is located at the upper end of the connecting box. The connecting groove is hemispherical, and the connecting ball abuts against the connecting groove. The connecting plate is fixedly connected to the connecting box, and the connecting box is rotatably connected to the connecting ball. The connecting box has a downward-opening mounting cavity 10, and a mounting seat 11 is fixedly installed inside the mounting cavity. The mounting seat has a through mounting hole 12, and a stator assembly 13 fixedly connected to the mounting seat is installed inside the mounting hole. Bearing mounting seats 14 fixedly connected to the mounting seat are located above and below the stator assembly, and bearings 15 are installed on the bearing mounting seats. A rotor assembly is located in the middle of the stator assembly, and the rotor assembly includes a rotor body 16. The bearings are respectively fitted onto the upper and lower parts of the rotor body. At the end, the rotor body is provided with a through-hole 17, the inner wall of the through-hole is provided with an internal thread, and a transmission rod 18 is provided in the through-hole and threadedly connected to the through-hole. A pressure plate 19 is fixed to the lower end of the transmission rod, and a plurality of guide rods 20 are fixed to the upper surface of the pressure plate. The mounting base is provided with guide holes 21 corresponding to the guide rods, and the guide rods are inserted into the guide holes and slide in cooperation with the guide holes. A suction cup 22 is provided below the pressure plate, and a positioning rod 23 is fixed to the upper surface of the suction cup. The pressure plate and the transmission rod are provided with vertically penetrating positioning holes 24. The connecting box is provided with positioning grooves 25 corresponding to the positioning holes. The positioning rod passes upward through the positioning holes and is inserted into the positioning grooves. The outer edge of the suction cup is provided with multiple protrusions 26. The upper end of the protrusion is fixed with a lower connecting block 27. The pressure plate is provided with upper connecting blocks 28 corresponding to the lower connecting blocks. A connecting line 29 is provided between the upper connecting blocks and the lower connecting blocks. One end of the connecting line is fixedly connected to the lower connecting block, and the other end is fixedly connected to the upper connecting block.

[0032] With the above structure, the projector is held in hand and placed on the platform. The stator assembly drives the rotor assembly to rotate, causing the transmission rod to extend downwards. The pressure plate presses down on the suction cup, which is then sucked into and fixed to the platform. The upper end of the positioning rod is always located in the positioning groove to prevent the positioning rod and the projector body from shaking. Then, the length of the telescopic support leg is adjusted so that the projector body is placed horizontally, ensuring that the projector body projects horizontal and vertical laser lines. This also prevents the projector from moving or even falling due to vibration. When the projector needs to be removed, the rotor assembly simply reverses, the transmission rod drives the pressure plate to rise, and the connecting line pulls the protrusion of the suction cup upwards, causing the outer edge of the suction cup to tilt up. Air enters between the suction cup and the platform, ultimately causing the suction cup to detach from the platform. This invention allows the projector to be easily and quickly fixed on inclined platforms with a slope of 5°-30° and to project horizontal and vertical laser lines normally. Even with vibration, it will not move or fall. Furthermore, the detachment of the suction cup from the platform is convenient, quick, and saves time and effort.

[0033] In some embodiments, a first cylindrical level 30 and a second cylindrical level 31, which are perpendicular to each other, are fixed on the main body of the line projector.

[0034] In some embodiments, the bottom of the suction cup is provided with removable adhesive 32.

[0035] In some embodiments, the base is provided with a clearance groove 33, and the connecting rod is fixed in the clearance groove.

[0036] This invention also includes a method for using an earthquake-resistant and fall-prevention laser line projector, comprising the aforementioned earthquake-resistant and fall-prevention laser line projector, and including the following steps:

[0037] Step A: Hold the cable projector body and place it on the platform to be installed;

[0038] Step B: The stator assembly drives the rotor assembly to rotate, thereby causing the transmission rod to extend downward, the pressure plate to press the suction cup, and the suction cup to be fixedly connected to the platform;

[0039] Step C: Adjust the retractable support legs so that the main body of the projector is in a horizontal position;

[0040] Step D: Turn on the projector to project laser lines;

[0041] Step E: After the line projector is used, the stator assembly drives the rotor assembly to reverse, thereby raising the transmission rod, disengaging the pressure plate from the suction cup, and pulling the outer edge of the suction cup upward through the connecting line, allowing air to enter the suction cup and detaching the suction cup from the platform. Then the line projector can be removed from the platform.

[0042] In some embodiments, the retractable support leg includes a connecting pipe fixedly connected to the base and an adjusting leg threadedly connected to the connecting pipe. When adjusting the retractable support leg in step C, it is only necessary to rotate the adjusting leg.

[0043] In some embodiments, a first cylindrical level and a second cylindrical level that are perpendicular to each other are fixed on the main body of the projector. The length of the telescopic support leg is adjusted according to the first cylindrical level and the second cylindrical level so that the main body of the projector is in a horizontal position.

[0044] In some embodiments, a removable adhesive is provided at the bottom of the suction cup. After the line projector is removed, the removable adhesive is cleaned, and then plastic film is attached to the removable adhesive.

[0045] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. An earthquake-resistant and fall-proof laser line projector, comprising a base and a main body of the projector connected to the base, characterized in that: The base is provided with multiple retractable support legs at its bottom; The base has a connecting rod at its bottom, a connecting ball fixed at its lower end, a connecting plate fitted onto the connecting ball, and a through hole on the connecting plate. The diameter of the through hole is smaller than the diameter of the connecting ball but larger than the diameter of the connecting rod. The through hole contacts the upper half of the connecting ball. A connecting box is located below the connecting plate, and a connecting groove is located at the upper end of the connecting box. The connecting groove is hemispherical, and the connecting ball abuts against the connecting groove. The connecting plate is fixedly connected to the connecting box, and the connecting box is rotatably connected to the connecting ball. The connecting box has a downward-opening mounting cavity, and a mounting base is fixed inside the mounting cavity. The mounting base has a through mounting hole, and a stator assembly is fixedly connected to the mounting base inside the mounting hole. Bearing mounting seats, fixedly connected to the mounting base, are provided above and below the stator assembly. Bearing mounting seats are provided with bearings. A rotor assembly is provided in the middle of the stator assembly. The rotor assembly includes a rotor body. The bearings are respectively fitted onto the upper and lower ends of the rotor body. The rotor body has a through connecting hole, and the inner wall of the connecting hole has an internal thread. A transmission rod is provided inside the connecting hole and threadedly connected to the connecting hole. A pressure plate is fixed to the lower end of the transmission rod. Multiple guide rods are fixed to the upper surface of the pressure plate. The mounting base has guide holes corresponding to the guide rods. The guide rods are inserted into the guide holes and slide in cooperation with the guide holes. A suction cup is provided below the pressure plate, and a positioning rod is fixed on the upper surface of the suction cup. The pressure plate and the transmission rod are provided with a positioning hole that runs vertically through each other. A positioning groove corresponding to the positioning hole is provided inside the connecting box. The positioning rod passes upward through the positioning hole and is inserted into the positioning groove. The outer edge of the suction cup is provided with multiple protrusions, and a connecting line is fixed on the protrusion, which is fixedly connected to the pressure plate.

2. The earthquake-resistant and fall-prevention laser line projector according to claim 1, characterized in that: The retractable support leg includes a connecting pipe fixedly connected to the base and an adjusting leg threadedly connected to the connecting pipe.

3. The earthquake-resistant and fall-prevention laser line projector according to claim 2, characterized in that: The main body of the projection device is fixed with a first cylindrical level and a second cylindrical level that are perpendicular to each other.

4. The earthquake-resistant and fall-proof laser line projector according to claim 1, characterized in that: The bottom of the suction cup is provided with removable adhesive.

5. The earthquake-resistant and fall-prevention laser line projector according to claim 1, characterized in that: The base is provided with a clearance groove, and the connecting rod is fixed in the clearance groove.

6. The earthquake-resistant and fall-proof laser line projector according to claim 1, characterized in that: The upper end of the protrusion is fixed with a lower connecting block, and the pressure plate is provided with an upper connecting block that corresponds to the lower connecting block. One end of the connecting line is fixedly connected to the lower connecting block, and the other end is fixedly connected to the upper connecting block.

7. The method of using an earthquake-resistant and fall-proof laser line projector, characterized in that: The earthquake-resistant and fall-prevention laser line projector according to any one of claims 1 to 6 includes the following steps: Step A: Hold the cable projector body and place it on the platform to be installed; Step B: The stator assembly drives the rotor assembly to rotate, thereby causing the transmission rod to extend downward, the pressure plate to press the suction cup, and the suction cup to be fixedly connected to the platform; Step C: Adjust the retractable support legs so that the main body of the projector is in a horizontal position; Step D: Turn on the laser projector to project laser lines; Step E: After the line projector is used, the stator assembly drives the rotor assembly to reverse, thereby raising the transmission rod, disengaging the pressure plate from the suction cup, and pulling the outer edge of the suction cup upward through the connecting line, allowing air to enter the suction cup and detaching the suction cup from the platform. Then the line projector can be removed from the platform.

8. The method of using the earthquake-resistant and fall-prevention laser line projector according to claim 7, characterized in that: The retractable support leg includes a connecting pipe fixedly connected to the base and an adjusting leg threadedly connected to the connecting pipe. In step C, adjusting the retractable support leg only requires rotating the adjusting leg.

9. The method of using the earthquake-resistant and fall-prevention laser line projector according to claim 8, characterized in that: The main body of the line projector is fixed with a first cylindrical level and a second cylindrical level that are perpendicular to each other. The length of the telescopic support leg is adjusted according to the first cylindrical level and the second cylindrical level so that the main body of the line projector is placed horizontally.

10. The method of using the earthquake-resistant and fall-prevention laser line projector according to claim 7, characterized in that: The bottom of the suction cup has a removable adhesive. After the line projector is removed, the removable adhesive is cleaned, and then plastic film is attached to the removable adhesive.

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