Leveling instrument for engineering quality identification

Abstract

The utility model discloses a level bar for engineering quality identification, which comprises a mounting pipe, the middle parts of the upper and lower side walls of the mounting pipe are fixedly connected with a sliding rail, the sliding rail is connected with two extension pipes in a sliding manner, one end of the inner side wall of each extension pipe is provided with a limiting assembly, and the two ends of the upper and lower surfaces of the mounting pipe are provided with a plurality of limiting holes. A bevel protractor is fixedly connected to the upper end of the front side face of the mounting pipe, a sliding groove is formed in the middle of the front side face of the bevel protractor, a rotating rod is rotationally connected to the middle of the front side face of the mounting pipe, and an angle indicating assembly is arranged on the front side face of the rotating rod. According to the utility model, the extension tube and the limiting assembly are arranged, so that the use length is conveniently increased or reduced, and the carrying is more convenient; the angle indicating assembly is arranged at the same time, and when an object is measured, if the left part of the measured object is high and the right part of the measured object is low, the inclination angle of the measured object can be judged according to the reading of an indicating plate on the bevel protractor.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering quality appraisal, in particular to a level ruler for engineering quality appraisal. Background Art

[0002] A spirit level is a measuring instrument that uses the principle of liquid level to directly display angular displacement with a spirit level bubble to measure the degree of deviation of the measured surface relative to the horizontal position, plumb position, and tilt position. It has accurate measurement, low cost, easy to carry, and is economical. The spirit level is mainly used to detect or measure horizontal and vertical degrees.

[0003] When the existing level ruler for engineering quality appraisal is used, its length is generally fixed, and it can only detect whether an object is horizontal. For an object that is not in a horizontal position, its tilt angle cannot be judged. Utility Model Content

[0004] The utility model aims to provide a level ruler for engineering quality appraisal to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spirit level for engineering quality appraisal, comprising a mounting tube, a slide rail fixedly connected to the middle of the upper and lower side walls of the mounting tube, the slide rail is slidably connected to two extension tubes, a limiting assembly is provided at one end of the inner wall of the extension tube, a plurality of limiting holes are provided at both ends of the upper and lower surfaces of the mounting tube, an angle ruler is fixedly connected to the upper end of the front side surface of the mounting tube, a slide groove is provided in the middle of the front side surface of the angle ruler, a rotating rod is rotatably connected to the middle of the front side surface of the mounting tube, and an angle indicating assembly is provided on the front side surface of the rotating rod.

[0006] Preferably, the limit assembly includes a mounting block, the mounting block is fixedly connected to one end of the inner wall of the extension tube, the upper and lower surfaces of the mounting block are provided with mounting grooves, a spring is fixedly connected to the horizontal inner surface of the mounting groove, one end of the spring away from the mounting groove is fixedly connected to the limit block, the end of the limit block close to the spring is located in the mounting groove, and the end of the limit block away from the spring passes through the upper and lower side walls of the extension tube.

[0007] Preferably, the angle indicating assembly includes a mounting plate, the mounting plate is fixedly connected to the front side of the rotating rod, the front side of the mounting plate is provided with a first slot, a level bubble is clamped inside the first slot, an indicating plate is fixedly connected to the left side of the mounting plate, a slider is fixedly connected to the middle part of the rear side of the indicating plate, and the slider is slidably connected to the slot.

[0008] Preferably, a first scale is fixedly connected to the bottom of the front side of the mounting tube, a second slot is provided in the middle of the extension tube, and a second scale is clamped inside the second slot.

[0009] Preferably, a first baffle is clamped at the rear end of the left side surface and the front end of the right side surface of the mounting tube, and a second baffle is fixedly connected to one end of the extension tube away from the limiting assembly.

[0010] Preferably, the angle ruler is concentric with the rotating rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is provided with an extension tube and a limit assembly. The limit block is pressed into the installation groove, and the second baffle is pulled to pull the extension tube out of the installation tube until the limit block coincides with the limit hole at the other end of the installation tube. Under the action of the spring, the limit block pops out into the limit hole to limit the extension tube, which is convenient for increasing or decreasing its use length and is more convenient to carry.

[0013] 2. The utility model is also provided with an angle indicating assembly. When measuring an object, if the bubble in the level bubble is not in a horizontal position, if the measured object is higher on the left and lower on the right, rotate the indicating plate to the right side of the angle ruler; if the measured object is lower on the left and higher on the right, rotate the indicating plate to the left side of the angle ruler until the bubble in the level bubble is in the middle position. The inclination angle of the measured object can be determined according to the reading of the indicating plate on the angle ruler. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the angle indication component structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the extension tube structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the limit assembly of the utility model.

[0018] In the figure: 1. mounting tube; 2. slide rail; 3. extension tube; 4. limit assembly; 41. mounting block; 42. mounting slot; 43. spring; 44. limit block; 5. limit hole; 6. angle ruler; 7. slide slot; 8. rotating rod; 9. angle indication assembly; 91. mounting plate; 92. first slot; 93. level bubble; 94. indication plate; 95. slider; 10. first scale; 11. second slot; 12. second scale; 13. first baffle; 14. second baffle. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-4 The utility model provides a technical solution: a level ruler for engineering quality appraisal, including a mounting tube 1, a slide rail 2 is mounted on the middle of the upper and lower side walls of the mounting tube 1 by bolts, two extension tubes 3 are slidably connected to the slide rail 2, a limit assembly 4 is mounted on one end of the inner wall of the extension tube 3, a plurality of limit holes 5 are arranged at both ends of the upper and lower surfaces of the mounting tube 1, an angle ruler 6 is mounted on the upper end of the front side of the mounting tube 1 by bolts, a slide groove 7 is arranged in the middle of the front side of the angle ruler 6, a rotating rod 8 is rotatably connected to the middle of the front side of the mounting tube 1, the rotating rod 8 is concentric with the angle ruler 6, an angle indicating assembly 9 is mounted on the front side of the rotating rod 8, a first scale 10 is mounted on the bottom of the front side of the mounting tube 1 by bolts, a second clamping groove 11 is arranged in the middle of the extension tube 3, a second scale 12 is clamped with the inner side of the second clamping groove 11, a first baffle 13 is clamped with the rear end of the left side and the front end of the right side of the mounting tube 1, and a second baffle 14 is mounted on the end of the extension tube 3 away from the limit assembly 4 by bolts.

[0021] The limiting assembly 4 includes a mounting block 41, which is mounted on one end of the inner wall of the extension tube 3 by bolts, a mounting groove 42 is provided on the upper and lower surfaces of the mounting block 41, a spring 43 is welded on the horizontal inner surface of the mounting groove 42, a limiting block 44 is welded to the end of the spring 43 away from the mounting groove 42, an end of the limiting block 44 close to the spring 43 is located in the mounting groove 42, and an end of the limiting block 44 away from the spring 43 passes through the upper and lower side walls of the extension tube 3.

[0022] The angle indicating assembly 9 includes a mounting plate 91, which is mounted on the front side of the rotating rod 8 by bolts. A first slot 92 is provided on the front side of the mounting plate 91, a level bubble 93 is engaged with the inner side of the first slot 92, an indicating plate 94 is mounted on the left side of the mounting plate 91 by bolts, a slider 95 is mounted on the middle of the rear side of the indicating plate 94 by bolts, and the slider 95 is slidably connected to the slide groove 7.

[0023] Working principle: When the utility model is in use, the limit block 44 is pressed into the mounting groove 42, the second baffle 14 is pulled, and the extension tube 3 is pulled out from the mounting tube 1 until the limit block 44 coincides with the limit hole 5 at the other end of the mounting tube 1. Under the action of the spring 43, the limit block 44 pops out into the limit hole 5 to limit the extension tube 3, which is convenient for increasing or decreasing its use length and is more convenient to carry; when measuring an object, if the bubble in the level bubble 93 is not in a horizontal position, if the measured object is higher on the left and lower on the right, rotate the indicator plate 94 to the right side of the angle ruler 6; if the measured object is lower on the left and higher on the right, rotate the indicator plate 94 to the left side of the angle ruler 6 until the bubble in the level bubble 93 is in the middle position. The inclination angle of the measured object can be judged according to the reading of the indicator plate 94 on the angle ruler 6. The utility model has the advantages of easy use and good use effect.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A level ruler for engineering quality assessment, comprising a mounting tube (1), characterized in that: A slide rail (2) is fixedly connected to the middle of the upper and lower side walls of the mounting tube (1); the slide rail (2) is slidably connected to two extension tubes (3); a limit assembly (4) is arranged at one end of the inner wall of the extension tube (3); a plurality of limit holes (5) are provided at both ends of the upper and lower surfaces of the mounting tube (1); an angle ruler (6) is fixedly connected to the upper end of the front side surface of the mounting tube (1); a slide groove (7) is provided in the middle of the front side surface of the angle ruler (6); a rotating rod (8) is rotatably connected to the middle of the front side surface of the mounting tube (1); an angle indicating assembly (9) is provided on the front side surface of the rotating rod (8).

2. A level ruler for engineering quality assessment according to claim 1, characterized in that: The limit assembly (4) comprises a mounting block (41), the mounting block (41) being fixedly connected to one end of the inner wall of the extension tube (3), the upper and lower surfaces of the mounting block (41) being provided with mounting grooves (42), the horizontal inner surface of the mounting groove (42) being fixedly connected to a spring (43), the end of the spring (43) away from the mounting groove (42) being fixedly connected to a limit block (44), the end of the limit block (44) close to the spring (43) being located in the mounting groove (42), and the end of the limit block (44) away from the spring (43) passing through the upper and lower side walls of the extension tube (3).

3. The level ruler for engineering quality assessment according to claim 1, characterized in that: The angle indicating assembly (9) comprises a mounting plate (91), the mounting plate (91) being fixedly connected to the front side of the rotating rod (8), the front side of the mounting plate (91) being provided with a first slot (92), the inner side of the first slot (92) being clamped with a level bubble (93), the left side of the mounting plate (91) being fixedly connected to an indicating plate (94), the middle part of the rear side of the indicating plate (94) being fixedly connected to a sliding block (95), and the sliding block (95) being slidably connected to the sliding groove (7).

4. The level ruler for engineering quality assessment according to claim 1, characterized in that: A first scale (10) is fixedly connected to the bottom of the front side of the mounting tube (1), a second slot (11) is provided in the middle of the extension tube (3), and a second scale (12) is clamped inside the second slot (11).

5. The level ruler for engineering quality assessment according to claim 1, characterized in that: The first baffle (13) is clamped at the rear end of the left side surface and the front end of the right side surface of the installation tube (1), and the end of the extension tube (3) away from the limiting assembly (4) is fixedly connected to the second baffle (14).

6. The level ruler for engineering quality assessment according to claim 1, characterized in that: The angle ruler (6) is concentric with the rotating rod (8).

Images