Handheld waterproof coating thickness measuring tool

By designing a handheld waterproof coating thickness measuring tool with adjustable length and angle, the problems of low detection efficiency and insufficient accuracy in traditional detection methods have been solved, achieving efficient and safe coating thickness measurement.

CN224108753UActive Publication Date: 2026-04-10CHINA CONSTR SEVENTH ENG DIVISION CORP LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In building waterproofing projects, it is difficult and slow to test the thickness of traditional non-curing rubber asphalt waterproof coatings. Manual testing poses a risk of burns, affecting the efficiency and accuracy of acceptance. Furthermore, conventional methods cannot ensure the uniformity of coating thickness.

Method used

A handheld waterproof coating thickness measuring tool was designed, including an adjustable-length measuring rod and an adjustable-angle measuring plate. Combined with a limiting mechanism and a positioning mechanism, the length of the measuring rod and the angle of the measuring plate can be flexibly adjusted, and the measuring length can be accurately fixed by the meshing of gears and racks.

Benefits of technology

It improves the efficiency and accuracy of waterproof coating thickness measurement, ensures the precision and safety of measurement results, adapts to the needs of different construction scenarios, and reduces the risks of manual inspection.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224108753U_ABST
    Figure CN224108753U_ABST
Patent Text Reader

Abstract

The utility model relates to a handheld waterproof coating thickness measuring tool, which comprises a shell, at least one end of the shell along the length direction is provided with an opening, a measuring rod is arranged in the shell in a sliding manner, one side of the measuring rod clings to the inner wall of the shell, and the other side of the measuring rod is provided with a rack extending along the length direction of the measuring rod. A gear meshed with the rack is rotationally arranged in the shell, when waterproof paint at different height positions is detected, the measuring tool can drive the meshed rack to stretch out and draw back through the gear so as to adjust the overall length of the measuring tool, and a limiting mechanism is arranged on the shell. The length of the measuring tool can be fixed through the limiting mechanism; the end part of the measuring rod is hinged with the measuring plate, and the included angle between the measuring plate and the measuring rod can be flexibly adjusted according to different positions of the building; the measuring plate is provided with the positioning mechanism, after the inclination angle of the measuring plate is selected, the position of the measuring plate relative to the measuring rod can be fixed through the positioning mechanism, use is convenient, and the whole measuring efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building engineering quality inspection, especially hand -held waterproof coating thickness measuring tool. BACKGROUND

[0002] In the construction waterproof engineering construction, the non solidified rubber asphalt waterproof coating directly relates the waterproof quality of later period, and the conventional control thickness method adopts the weighing method, and the average thickness of a piece construction area is ensured through the control coating amount, this method can only ensure that the average thickness reaches the standard, cannot confirm whether the whole coating spraying thickness is uniform, and the thickness of partial area is easy less than the standard, produces the quality hidden danger.

[0003] And the traditional non solidified rubber asphalt waterproof coating thickness detection is not easy, the speed, and the manual close -range contact coating has the scalding risk problem, seriously influence the detection efficiency and acceptance accuracy of acceptance personnel. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a hand -held waterproof coating thickness measuring tool which is convenient for manual adjustment of measurement position and improves detection efficiency and acceptance accuracy.

[0005] To achieve the above -mentioned purpose, the utility model adopts the technical scheme of a hand -held waterproof coating thickness measuring tool, which comprises a shell, at least one end of the shell is open along the length direction, and a measuring rod is slidably arranged in the shell.

[0006] One side of the measuring rod is close to the inner wall of the shell, the other side of the measuring rod is provided with a rack extending along the length direction of the measuring rod, a gear meshing with the rack is rotatably arranged in the shell, and a limiting mechanism is arranged on the shell.

[0007] The end of the measuring rod is hinged to a measuring plate, and the measuring plate is provided with a positioning mechanism to adjust the included angle between the measuring plate and the measuring rod.

[0008] The above technical scheme has the beneficial effects that: the gear is rotated to drive the rack meshing with the gear to slide and stretch along the inner wall of the shell, so as to change the overall length of the measuring rod, provide appropriate measurement length in the measurement operation process, and improve the efficiency of waterproof coating thickness measurement; the measuring plate is hinged to the end of the measuring rod, different measuring plates with appropriate included angles can be selected according to the requirements of different measuring scenes, the application scene is flexible and various, the waterproof coating thickness measurement tool is used instead of the conventional manual detection method, the efficiency and accuracy of waterproof coating thickness measurement operation are effectively improved, and the quality and safety of waterproof coating operation are ensured.

[0009] Further, the end of the rotating shaft of the gear extending outside the shell is fixed with a roller, a plurality of notches are formed in the circumferential direction of the roller, a limiting post is rotatably arranged on the shell and is adapted to be clamped in the notches; the limiting mechanism comprises the roller and the limiting post.

[0010] Beneficial effects: the roller facilitates the rotation of the gear during the measurement operation; when the gear rotates to drive the rack to extend to a proper length, the limiting post is clamped in the notch on the roller, so that the rotation of the roller is blocked, thereby fixing the measuring rod at a proper length, facilitating the use of the measurement operation.

[0011] Further, a limiting groove is formed in the shell, the limiting post is L-shaped, one side of the L-shaped limiting post is located in the limiting groove, and one end of the limiting post is hingedly connected to the inner wall of the limiting groove.

[0012] Beneficial effects: the fixing mode of the limiting post on the shell is provided, in the use process, the other side of the L-shaped limiting post facilitates the quick lifting of the limiting post from the limiting groove.

[0013] Further, two hinged seats are fixed at the end of the measuring rod at intervals, a through hole is formed in the hinged seat, a hinge shaft is rotatably arranged in the through hole, and the measuring plate is fixedly connected with the hinge shaft.

[0014] Beneficial effects: the measuring plate is hingedly connected to the end of the measuring rod, and the angle of the measuring plate can be flexibly adjusted according to different use scenarios, thereby facilitating the use.

[0015] Further, a fastening nut is arranged, one end of the hinge shaft is fixed with a screw rod, and the end of the screw rod extending out of the hinged seat is threadedly connected with the fastening nut.

[0016] Beneficial effects: the hinge shaft can be tightly pressed on the hinged seat by locking the fastening nut, so that the rotation of the hinge shaft is limited, thereby fixing the inclination angle of the side plate.

[0017] Further, an opening is formed in the through hole of one of the two hinged seats, and the width of the opening is the same as the diameter of the through hole.

[0018] Beneficial effects: the opening provides the assembly mode of the hinge shaft of the measuring plate in the hinged seat.

[0019] Further, a sawtooth-shaped measuring head is arranged on the side of the measuring plate away from the hinge shaft.

[0020] Beneficial effects: the sawtooth-shaped measuring head facilitates the intuitive judgment of whether the thickness of the waterproof paint is qualified. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the utility model;

[0022] Figure 2 is Figure 1 The structural diagram of the shell is removed;

[0023] Figure 3 is Figure 1 The structural diagram of the measuring rod is shown in the figure;

[0024] Figure 4 is Figure 1 The structural diagram of the measuring plate is shown in the figure;

[0025] In the figure: 1-shell, 2-measuring rod, 3-rack, 4-gear, 5-measuring plate, 6-roller, 7-limiting column, 8-fastening nut, 9-screw, 22-hinge seat, 107-limiting groove, 201-aperture, 202-through hole, 205-hinge shaft, 501-measuring head, 601-slot. DETAILED DESCRIPTION

[0026] The hand-held waterproof coating thickness measuring tool will be further described in detail in combination with the drawings and specific embodiments.

[0027] As Figures 1-4 shown, the hand-held waterproof coating thickness measuring tool comprises a shell 1, at least one end of the shell 1 is open along the length direction, Figure 1 As shown in the figure, the shell 1 of the measuring tool is open at both ends, a measuring rod 2 is slidably arranged in the shell 1, one side of the measuring rod 2 is close to the inner wall of the shell 1, the other side of the measuring rod 2 is provided with a rack 3 extending along the length direction of the measuring rod 2, a gear 4 meshing with the rack 3 is rotatably arranged in the shell 1, when the waterproof coating at different height positions is detected, the overall length of the measuring tool can be adjusted by the gear 4 driving the meshing rack 3 to extend or retract, a limiting mechanism is arranged on the shell 1, after the length of the measuring tool is selected, the length of the measuring tool can be fixed by the limiting mechanism, so as to ensure the accuracy of the measurement; the end of the measuring rod 2 is hingedly connected with a measuring plate 5, according to different construction positions of the building, the included angle between the measuring plate 5 and the measuring rod 2 can be flexibly adjusted, for example, the measuring plate 5 in the vertical state is used to measure the ceiling, the measuring plate 5 in the horizontal state is used to measure the outer wall, the side of the measuring plate 5 away from the hinged position is provided with a sawtooth-shaped measuring head 501, so as to intuitively judge whether the thickness of the waterproof coating is qualified; the measuring plate 5 is provided with a positioning mechanism, after the inclination angle of the measuring plate 5 is selected, the position of the measuring plate 5 relative to the measuring rod 2 can be fixed by the positioning mechanism, so that the use is more convenient.

[0028] In this embodiment, the sawteeth of the measuring head 501 can be flexibly made according to the thickness requirement of the waterproof coating on the construction site, the position of the sawtooth away from the sharp part is the sawtooth root, the vertical length from the sawtooth sharp part to the sawtooth root is designed as the thickness standard of the waterproof coating, the common waterproof coating thickness size requirement in real life is 1.5mm, 2mm and 2.5mm.

[0029] In the embodiment, the limiting mechanism comprises the roller 6 and the limiting column 7. The end of the rotating shaft of the gear 4 extending out of the shell 1 is fixed with the roller 6, which provides a rotating mode of the gear 4. The rotating roller 6 can drive the gear 4 inside the shell 1 to rotate, and continue to drive the rack 3 engaged with the gear 4 to move, so as to adjust the measuring rod 2 to the appropriate length. The limiting column 7 is rotatably arranged on the shell 1, which can limit the rotation of the roller 6. The limiting groove 107 is arranged on the shell 1. The limiting column 7 is L-shaped, one end of which is hinged to the inner wall of the limiting groove 107. When one side of the L-shaped limiting column 7 is located in the limiting groove 107, the other side of the L-shaped limiting column 7 is vertically extended outside the shell 1. The other side of the L-shaped limiting column 7 can quickly rotate the limiting column 7 out of the limiting groove 107. The circumferential direction of the roller 6 is spaced apart to form a plurality of notches 601. The limiting column 7 is adapted to be connected with the notches 601. When the measuring rod 2 is extended and retracted to the appropriate length under the driving of the rack 3, the limiting column 7 is rotated and connected into the notch 601 of the roller 6, which can block the continuous rotation of the roller 6, so as to fix the length of the measuring rod 2.

[0030] In the embodiment, the end of the measuring rod 2 is fixed with two hinged seats 22. The through hole 202 is arranged on the hinged seat 22. The hinged shaft 205 is rotatably arranged in the through hole 202. The through hole 202 of one of the two hinged seats 22 is provided with the gap 201, which has the same width as the diameter of the through hole 202, facilitating the assembly of the hinged shaft 205 on the hinged seat 22. The measuring plate 5 is fixedly connected with the hinged shaft 205. The measuring plate 5 can rotate around the hinged shaft 205 to adjust the included angle between the measuring plate 5 and the measuring rod 2, so as to select the appropriate measuring angle in different use scenarios. The positioning mechanism comprises the fastening nut 8. One end of the hinged shaft 205 is fixed with the screw rod 9, which is threadedly connected with the fastening nut 8 outside the end of the hinged seat 22. When the measuring plate 5 is rotated to the appropriate angle, the locking fastening nut 8 can tightly press the hinged shaft 205 on the hinged seat 22, so as to limit the continuous rotation of the hinged shaft 205. After the inclination angle of the measuring plate 5 is fixed, the measuring and controlling process is more accurate and stable.

[0031] The utility model discloses a hand -held waterproof coating thickness gauge tool, including measuring rod 2, measuring plate 5, locking fastening nut 8, limiting column 7 and gyro wheel 6, measuring rod 2 one end is provided with the locking fastening nut 8, the other end is provided with the measuring plate 5, the measuring plate 5 is provided with the limiting column 7, and the limiting column 7 is provided with gyro wheel 6.

[0032] The utility model discloses a hand -held waterproof coating thickness gauge tool has the following advantages: first, the length of measuring rod 2 can be adjusted, convenient to use, and the measuring efficiency is high, second, the inclination angle of measuring plate 5 can be adjusted, convenient to use, and the measuring efficiency is high, third, the sawtooth length of measuring head 501 utilizes waterproof coating thickness standard setting, and the measuring process is convenient to judge, and the measuring result is accurate.

[0033] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A handheld waterproof coating thickness measuring tool, characterized in that, Includes a housing (1), at least one end of the housing (1) is open along its length, and a measuring rod (2) is slidably disposed inside the housing (1). One side of the measuring rod (2) is closely attached to the inner wall of the housing (1), and the other side of the measuring rod (2) is provided with a rack (3) extending along the length direction of the measuring rod (2). A gear (4) that meshes with the rack (3) is rotatably provided in the housing (1), and a limiting mechanism is provided on the housing (1). The measuring rod (2) is hinged to a measuring plate (5) at its end. The measuring plate (5) is provided with a positioning mechanism to adjust the angle between the measuring plate (5) and the measuring rod (2).

2. The handheld waterproof coating thickness measuring tool according to claim 1, characterized in that, The shaft of the gear (4) extends out of the outer side of the housing (1) and is fixed with a roller (6). The roller (6) has several slots (601) spaced apart in the circumferential direction. A limiting post (7) is rotatably provided on the housing (1). The limiting post (7) is adapted to engage with the slots (601). The limiting mechanism includes the roller (6) and the limiting post (7).

3. The handheld waterproof coating thickness measuring tool according to claim 2, characterized in that, The housing (1) has a limiting groove (107) and the limiting post (7) is L-shaped. One side of the L-shaped limiting post (7) is located in the limiting groove (107), and one end of the limiting post (7) is hinged to the inner wall of the limiting groove (107).

4. A handheld waterproof coating thickness measuring tool according to claim 1 or 2, characterized in that, The measuring rod (2) has two hinge seats (22) fixed at a distance from each other at its end. A through hole (202) is opened on the hinge seat (22). A hinge shaft (205) is rotatably inserted into the through hole (202). The measuring plate (5) is fixedly connected to the hinge shaft (205).

5. A handheld waterproof coating thickness measuring tool according to claim 4, characterized in that, The positioning mechanism includes a fastening nut (8), and a screw (9) is fixed to one end of the hinge shaft (205). The end of the screw (9) extending out of the hinge seat (22) is threadedly connected to the fastening nut (8).

6. A handheld waterproof coating thickness measuring tool according to claim 4, characterized in that, A notch (201) is provided on the through hole (202) of one of the two hinge seats (22), the width of which is the same as the diameter of the through hole (202).

7. A handheld waterproof coating thickness measuring tool according to claim 1 or 2, characterized in that, The measuring plate (5) has a serrated measuring head (501) on the side away from the hinge axis (205).