Perpendicularity detection ruler for water conservancy project supervision
By introducing a clamping plate design with main and auxiliary positioning columns into the vertical measuring ruler used in water conservancy engineering supervision, combined with a stop bar and threaded connection, the problem of easy deformation of traditional buckles is solved, and the fastening effect and detection accuracy of the measuring ruler are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-28
- Publication Date
- 2026-03-31
AI Technical Summary
Traditional elastic clips are prone to deformation in vertical measuring rulers used in water conservancy engineering supervision, which reduces the closing and tightening effect and affects the accuracy of the test.
The design employs a main positioning post and a secondary positioning post, along with a clamping plate and a stop bar. The clamping plate engages with the positioning post, and the stop bar is secured using threaded connections, ensuring a tight fit between the ruler body and the frame.
The wear resistance and fastening effect of the clamping mechanism have been improved, ensuring that the measuring ruler remains stable during use and preventing excessive movement of the clamping plate from affecting the measuring accuracy.
Smart Images

Figure CN224066139U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of water conservancy project supervision equipment, specifically a vertical measuring ruler for water conservancy project supervision. Background Technology
[0002] A vertical measuring ruler, also known as a straightedge, is used to check the deviation of an object's verticality, flatness, and horizontality. The measuring ruler has an extendable structure.
[0003] When the vertical measuring ruler used in water conservancy engineering supervision is closed, the traditional buckle is fixed by its own tight fit. However, with the increase of use, the structure of the traditional elastic buckle will deform, resulting in a decrease in the tightness after closing, which affects the tightness of the vertical measuring ruler. To solve the above problems, we have proposed a vertical measuring ruler for water conservancy engineering supervision. Utility Model Content
[0004] In view of the shortcomings of the existing technology, this utility model provides a vertical inspection ruler for water conservancy project supervision, which solves the problems mentioned in the background.
[0005] This utility model provides the following technical solution: a vertical measuring ruler for water conservancy engineering supervision, comprising: a main ruler body and a secondary ruler body; the end face of the main ruler body is provided with a hinge that is rotatably connected to the secondary ruler body; rubber pads are provided on adjacent sides of the main ruler body and the secondary ruler body; and a level tube is provided on both the main ruler body and the secondary ruler body; a snap-fit mechanism and a fixing mechanism are provided at the ends of the main ruler body and the secondary ruler body away from the hinge; the snap-fit mechanism includes a main positioning post fixedly installed on the side of the secondary ruler body, and an I-shaped shaft and a secondary positioning post fixedly installed on the side of the main ruler body. The main scale body is rotatably connected to a clamping plate via an I-shaped shaft. The clamping plate has a main notch and a secondary notch. The clamping plate engages with the main positioning post through the main notch and also engages with the secondary positioning post through the secondary notch. The fixing mechanism includes a stop bar that is slidably connected to the clamping plate. A connecting plate is fixedly installed at the end of the stop bar that passes through the clamping plate. A threaded seat is fixedly installed on the side of the connecting plate adjacent to the clamping plate, and a pull ring is fixedly installed on the side of the connecting plate away from the threaded seat. A screw is threadedly connected to the threaded seat, and the screw is also threadedly connected to the clamping plate.
[0006] By adopting the above technical solution and setting main positioning posts and secondary positioning posts, the clamping plate can be fixed on the main scale body after the main scale body and the secondary scale body are unfolded. This can prevent excessive movement of the clamping plate from affecting the detection effect of the entire vertical detection scale. At the same time, after the main scale body and the secondary scale body are closed, the clamping plate can be locked on the secondary positioning post to maintain the tightness of the main scale body and the secondary scale body after they are closed. Furthermore, during the early manufacturing process, the clamping plate can be made of rigid materials to improve its wear resistance. At the same time, the notches on the clamping plate can be sealed with baffles to ensure the clamping effect.
[0007] Preferably, there are two stop bars, one of which can be located on the side of the secondary positioning post, and the other of which can be located on the side of the main positioning post.
[0008] By adopting the above technical solution, the design of the two stop bars can be applied to two situations: the connection between the clamping plate and the auxiliary scale body, and the connection between the clamping plate and the main scale body.
[0009] Preferably, a limiting block is fixedly installed at the end of the stop bar, and an opening is provided on the card plate to accommodate the limiting block.
[0010] By adopting the above technical solution, the limiting block at the end of the stop bar can prevent the stop bar from detaching from the clamping plate, ensuring a stable sliding connection between the stop bar and the clamping plate. Simultaneously, the opening of the clamping plate is used to house the limiting block, preventing it from protruding and damaging the smoothness of the clamping plate's notch sidewall, thus allowing the clamping plate to be engaged with the main or secondary positioning post through the notch.
[0011] Preferably, the card plate has an auxiliary hole for the guide bar to pass through, and the size of the limiting block is larger than the size of the auxiliary hole.
[0012] By adopting the above technical solution, the auxiliary hole, which is smaller than the limit block, is set up to further ensure the stability of the connection between the stop bar and the card plate.
[0013] Preferably, the threaded seat has a first threaded hole, and the clamping plate has a second threaded hole.
[0014] By adopting the above technical solution, the position of the threaded seat is fixed on the card plate in conjunction with the screw, thereby further achieving the purpose of fixing the stop bar and the connecting plate.
[0015] Preferably, the threaded seat can be inserted into the card plate, and after the threaded seat is inserted into the card plate, the axis of the first threaded hole coincides with the axis of the second threaded hole.
[0016] By adopting the above technical solution, the design of the first threaded hole and the second threaded hole is ensured to be reasonable, so as to ensure that the screw can be smoothly screwed into the first threaded hole and the second threaded hole in sequence, so as to lock the screw.
[0017] Preferably, a knob is fixedly installed at the end of the screw, and the outer surface of the knob is provided with anti-slip texture.
[0018] By adopting the above technical solution, it is easier for users to operate, and the anti-slip texture can be used to prevent users from slipping their hands when turning the screw, thereby improving the actual practical performance.
[0019] Preferably, after the main scale body is closed with the secondary scale body via a hinge, the rubber pads on the main scale body and the rubber pads on the secondary scale body are in contact with each other.
[0020] By adopting the above technical solution, the rubber pad can act as a buffer to prevent collisions between the main scale body and the auxiliary scale body after they are joined, thus avoiding structural damage and ensuring the structural integrity of the entire scale body.
[0021] Compared with the prior art, the present invention has the following beneficial effects:
[0022] 1. This vertical measuring ruler for water conservancy engineering supervision uses a snap-fit mechanism and a fixing mechanism set at the end of the ruler body. The structures contained in the snap-fit mechanism and the fixing mechanism cooperate with each other. By adjusting the position of the stop bar, the clamping plate can be fixed on the positioning column, thereby ensuring the tightness of the ruler body after closing. This also ensures the service life of the entire snap-fit mechanism and improves the overall structural performance.
[0023] 2. The vertical measuring ruler used in this water conservancy project supervision has positioning columns that can be divided into main positioning columns and secondary positioning columns, which are respectively set on the secondary ruler body and the main ruler body. Therefore, when the ruler body is unfolded for verticality testing, the position of the clamping plate can also be restricted on the main ruler body to avoid excessive movement of the clamping plate affecting the testing work, so as to ensure the verticality testing effect of the entire measuring ruler. Attached Figure Description
[0024] Figure 1 This is a schematic diagram of the closed ruler structure of this utility model;
[0025] Figure 2 This is a schematic diagram of the ruler-shaped structure of this utility model when opened;
[0026] Figure 3 This is an exploded view of the card plate structure of this utility model;
[0027] Figure 4 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle;
[0028] Figure 5 This is an exploded view of the fixing mechanism of this utility model.
[0029] In the diagram: 1. Main scale body; 2. Secondary scale body; 3. Hinge; 4. Rubber pad; 5. Level tube; 6. Clamping mechanism; 61. I-shaped shaft; 62. Clamping plate; 63. Main positioning post; 64. Secondary positioning post; 65. Main notch; 66. Secondary notch; 7. Fixing mechanism; 71. Stop bar; 72. Limiting block; 73. Connecting plate; 74. Pull ring; 75. Knob; 76. Screw; 77. Threaded seat. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0031] Please see Figure 1-5 A vertical measuring ruler for water conservancy engineering supervision includes: a main ruler body 1 and a secondary ruler body 2. The end face of the main ruler body 1 is provided with a hinge 3 that is rotatably connected to the secondary ruler body 2. Rubber pads 4 are provided on the adjacent sides of the main ruler body 1 and the secondary ruler body 2. A level tube 5 is provided on both the main ruler body 1 and the secondary ruler body 2. A snapping mechanism 6 and a fixing mechanism 7 are provided at the ends of the main ruler body 1 and the secondary ruler body 2 away from the hinge 3. After the main ruler body 1 is closed with the secondary ruler body 2 through the hinge 3, the rubber pads 4 on the main ruler body 1 and the secondary ruler body 2 come into contact with each other, so that when the main ruler body 1 and the secondary ruler body 2 are closed, the rubber pads 4 can be used to prevent the ends of the main ruler body 1 and the secondary ruler body 2 from impacting each other and causing damage to their structure.
[0032] The latching mechanism 6 includes a main positioning post 63 fixedly installed on the side of the auxiliary ruler body 2, and an I-shaped shaft 61 and an auxiliary positioning post 64 fixedly installed on the side of the main ruler body 1. The main ruler body 1 is rotatably connected to a latching plate 62 through the I-shaped shaft 61. The latching plate 62 has a main notch 65 and an auxiliary notch 66. The latching plate 62 is latched to the main positioning post 63 through the main notch 65, and the latching plate 62 is also latched to the auxiliary positioning post 64 through the auxiliary notch 66.
[0033] The fixing mechanism 7 includes a stop bar 71 that is slidably connected to the clamping plate 62. A connecting plate 73 is fixedly installed on the end of the stop bar 71 that passes through the clamping plate 62. A threaded seat 77 is fixedly installed on the side of the connecting plate 73 adjacent to the clamping plate 62, and a pull ring 74 is fixedly installed on the side of the connecting plate 73 away from the threaded seat 77. A screw 76 is threadedly connected to the threaded seat 77, and the screw 76 is also threadedly connected to the clamping plate 62. A knob 75 is fixedly installed on the end of the screw 76. The outer surface of the knob 75 is provided with anti-slip texture. There are two stop bars 71 in total. One stop bar 71 can be located on the side of the secondary positioning post 64, and the other stop bar 71 can be located on the main positioning post 64. On the side of the position post 63, a limiting block 72 is fixedly installed at the end of the stop strip 71. The clamping plate 62 has an opening for accommodating the limiting block 72 and an auxiliary hole for the stop strip 71 to pass through. The size of the limiting block 72 is larger than the size of the auxiliary hole. The limiting block 72 can prevent the stop strip 71 from detaching from the clamping plate 62, thus ensuring the stability of the overall structural design. The threaded seat 77 has a first threaded hole and the clamping plate 62 has a second threaded hole. The threaded seat 77 can be inserted into the clamping plate 62, and after the threaded seat 77 is inserted into the clamping plate 62, the axis of the first threaded hole coincides with the axis of the second threaded hole.
[0034] Working principle: The I-shaped shaft 61 is fixed on the main scale body 1, and the clamping plate 62 is rotatably connected to the I-shaped shaft 61. The clamping plate 62 can rotate flexibly with the I-shaped shaft 61 as the center. After the main notch 65 on the clamping plate 62 engages and fixes it on the main positioning post 63 on the secondary scale body 2, it pushes the connecting plate 73 to slide. The stop bar 71 on the side of the connecting plate 73 can close the opening of the main notch 65. Then, by rotating the screw 76 through the knob 75, the screw 76 is screwed into the threaded seat 77 fixed on the side of the connecting plate 73 and into the clamping plate 62 in sequence, thereby locking the position of the stop bar 71. The main positioning post 63 is used to position the clamping plate 62. The main scale body 1 and the auxiliary scale body 2 are locked in a closed state by tightening the screw 76. When the screw 76 is loosened, the stop bar 71 can be pulled by the pull ring 74, so that the limiting block 72 at the end of the stop bar 71 slides into the cavity inside the clamping plate 62. At this time, the clamping plate 62 can be rotated, and the auxiliary notch 66 on the clamping plate 62 can be used to engage the auxiliary positioning post 64 fixed on the main scale body 1. Push the connecting plate 73 back again, so that another stop bar 71 blocks the opening of the auxiliary notch 66. Tighten the screw 76 again, and the clamping plate 62 can be restricted to the main scale body 1. When the main scale body 1 and the auxiliary scale body 2 are unfolded by the hinge 3, the clamping plate 62 can be prevented from moving unexpectedly.
[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A vertical detection ruler for hydraulic engineering supervision, characterized in that, Include: The main ruler body (1) and the vice ruler body (2), the main ruler body (1) end face is provided with the hinge (3) of vice ruler body (2) rotation connection, the side surface of main ruler body (1) and vice ruler body (2) adjacent is provided with rubber pad (4), and the main ruler body (1) and vice ruler body (2) are provided with level tube (5) on, the end of main ruler body (1) and vice ruler body (2) away from hinge (3) is provided with buckle mechanism (6) and fixed mechanism (7); The buckle mechanism (6) includes the main positioning column (63) fixedly installed on the side surface of vice ruler body (2), and the work type shaft (61) and vice positioning column (64) fixedly installed on the side surface of main ruler body (1), the main ruler body (1) is rotatably connected with the clamping plate (62) through the work type shaft (61), the clamping plate (62) is provided with main gap (65) and vice gap (66), the clamping plate (62) is clamped with main positioning column (63) through main gap (65), and the clamping plate (62) is also clamped with vice positioning column (64) through vice gap (66); The fixed mechanism (7) includes the blocking strip (71) slidably connected with the clamping plate (62), the end of the blocking strip (71) is fixedly installed with the connecting plate (73) through the clamping plate (62), the side surface of the connecting plate (73) adjacent to the clamping plate (62) is fixedly installed with the threaded seat (77), and the side surface of the connecting plate (73) away from the threaded seat (77) is fixedly installed with the pull ring (74), the threaded seat (77) is threadedly connected with the screw rod (76), and the screw rod (76) is also threadedly connected with the clamping plate (62).
2. The vertical detection ruler for hydraulic engineering supervision according to claim 1, characterized in that, The blocking strip (71) is provided with two, one of the blocking strip (71) can be located on the side surface of vice positioning column (64), and the other blocking strip (71) can be located on the side surface of main positioning column (63).
3. The vertical detection ruler for hydraulic engineering supervision according to claim 1, characterized in that, The end of the blocking strip (71) is fixedly installed with the limiting block (72), and the clamping plate (62) is provided with an opening cavity for accommodating the limiting block (72).
4. The vertical detection ruler for hydraulic engineering supervision according to claim 3, characterized in that, The clamping plate (62) is provided with an auxiliary hole for passing through the blocking strip (71), and the size of the limiting block (72) is greater than the size of the auxiliary hole.
5. The vertical detection ruler for hydraulic engineering supervision according to claim 1, characterized in that, The threaded seat (77) is provided with a first threaded hole, and the clamping plate (62) is provided with a second threaded hole.
6. The vertical detection ruler for hydraulic engineering supervision according to claim 5, characterized in that, The threaded seat (77) can be inserted with the clamping plate (62), and after the threaded seat (77) is inserted on the clamping plate (62), the axis of the first threaded hole coincides with the axis of the second threaded hole.
7. The vertical detection ruler for hydraulic engineering supervision according to claim 1, characterized in that, The end of the screw rod (76) is fixedly installed with the knob (75), and the outer surface of the knob (75) is provided with anti-skid lines.
8. The vertical detection ruler for hydraulic engineering supervision according to claim 1, characterized in that, After the main ruler body (1) is folded with the vice ruler body (2) through the hinge (3), the rubber pad (4) on the main ruler body (1) and the rubber pad (4) on the vice ruler body (2) are in contact with each other.