Level gauge with zero position self-calibration function

Abstract

The utility model relates to the technical field of level gauges, in particular to a level gauge with a zero position self-calibration function, a standard plate group is positioned behind a reticle group and is fixedly connected with a level gauge body, the standard plate group is used for calibrating the zero position of the level gauge, a reference optical standard plate is preassembled on the standard plate group, the standard plate is provided with scales, and the scales are arranged on the standard plate group. The device is installed behind a level gauge reticle. The horizontal line of the level gauge reticle coincides with the optical reference axis of the level gauge, and the zero error is 0. At the moment, the transverse line of the level gauge reticle and the optical reference axis of the level gauge are located on the same scale of the standard plate, and if the scale value is 11, the zero value is recorded. When the zero position deviates, it is observed that the transverse line of the reticle is not located at the position of the value 11 recorded by the standard plate, a user only needs to adjust the position of the reticle through a tool, the transverse line of the reticle is adjusted to the value 11, and then zero position calibration of the level gauge can be completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to level technology field especially is a level with self -calibration zero function. BACKGROUND

[0002] The level is a kind of instrument for measuring the elevation of ground, for measuring the relative difference of the height of each point in a certain range of ground. All automatic leveling levels on the market will have zero deviation after being used for a period of time. Because the level needs to be debugged when producing, so the scale plate is an adjustable component. After being used for a period of time, the position of scale plate in the level will deviate due to time, vibration, environment, time limit and other factors. This problem is relatively hidden, and the user is not easy to detect, so it is easy to appear measurement inaccurate problem in the process of measurement and construction.

[0003] The method for leveling the level includes using professional parallel light tube to calibrate and erecting two tower scales to calibrate. Both professional parallel light tube calibration and erecting two tower scales method need to use professional equipment, and the professional accomplishment of operator is also required. UTILITY MODEL CONTENT

[0004] The utility model mainly aims at providing a level with self-calibration zero function to solve the problem of high professional requirement of operator in related technology.

[0005] In order to realize the above-mentioned purpose, according to one aspect of the utility model, a level with self-calibration zero function is provided, which comprises an ocular and a level body, further comprising: a scale group, the scale group comprises a scale plate group and a mounting group, the scale plate group is connected with the level body through the mounting group, when the level is shipped, the horizontal line of the scale plate group coincides with the optical reference axis of the level, and is located at the same scale of the standard plate group, at this time, the zero error of the level is 0, when the horizontal line of the scale plate group deviates from the optical reference axis of the level, the position of the scale plate group is adjusted through the mounting group, so that the horizontal line of the scale plate group moves to the scale recorded by the standard plate group when being shipped, at this time, the horizontal line of the scale plate group coincides with the optical reference axis of the level, and the zero error of the level is 0.

[0006] The standard plate group is located behind the scale plate group and is fixedly connected with the level body, and the standard plate group is used for calibrating the zero of the level.

[0007] Further, the scale plate group comprises a scale plate base and a scale plate, the scale plate is fixedly connected with the scale plate base, and the scale plate base is slidingly connected with the level body.

[0008] Further, the mounting group comprises a screw group, a moving pin group and a spring leaf group, the screw group comprises an adjusting screw and a screw hole, the screw hole passes through the top of the eyepiece rear end support and presses against the reticle base, and the adjusting screw is in threaded connection with the screw hole.

[0009] Further, the moving pin group comprises a moving pin and a moving pin hole, and the moving pin hole passes through the bottom of the eyepiece rear end support and presses against the reticle base.

[0010] Further, the moving pin is located in the moving pin hole.

[0011] Further, the spring leaf group comprises a moving pin spring leaf and a spring leaf hole, and the spring leaf hole is located below the eyepiece rear end support.

[0012] Further, the bottom end of the moving pin spring leaf is located in the spring leaf hole and is fixedly connected with the bottom of the eyepiece rear end support, and the other end abuts against the bottom end of the moving pin.

[0013] Further, the standard plate group comprises a standard plate base and a standard plate, and the standard plate base is fixedly arranged on the main body of the level.

[0014] Further, the standard plate is fixedly arranged on the front surface of the standard plate base.

[0015] Further, the standard plate is provided with a plurality of scales.

[0016] Compared with the prior art, the level has the following beneficial effects: when the level is shipped, the horizontal line of the reticle coincides with the optical reference axis of the level and is located on the same scale of the standard plate, and the zero error is 0; when the zero position deviates, the horizontal line of the reticle is not observed on the scale value recorded by the standard plate, the adjusting screw is twisted, the position of the reticle is adjusted, the horizontal line of the reticle is restored to the scale value recorded by the standard plate, the zero error is returned to 0, the error of the zero position of the level can be quickly judged, the error can be quickly adjusted after the error occurs, the zero position of the level is restored to be accurate, and the accuracy of measurement is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole schematic view of the utility model;

[0018] Figure 2 It is an explosion view of the utility model reference optical standard plate system;

[0019] Figure 3 It is a mounting schematic view of the standard plate group and the main body of the level;

[0020] Figure 4 It is a mounting schematic view of the reticle group and the main body of the level;

[0021] Figure 5The utility model discloses standard plate group structure schematic diagram Figure 1 ;

[0022] Figure 6 The utility model discloses structure schematic diagram divides the plate group structure schematic diagram.

[0023] Figure 7 The utility model discloses the standard plate position schematic diagram of dividing the plate horizontal line after debugging.

[0024] Illustration:

[0025] 1, eyepiece; 2, adjusting screw; 3, moving pin; 4, moving pin spring piece; 5, standard plate group; 6, dividing plate group; 7, rear optical system; 8, reference optical standard plate system; 9, level body; 21, screw hole; 31, moving pin hole; 41, spring piece hole; 51, standard plate base; 52, standard plate. 61, dividing plate base; 62, dividing plate; Specific embodiment

[0026] In order to further explain the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model will be described in detail as follows in combination with the drawings and preferred embodiments.

[0027] Please refer to Figures 1 to 7 , the embodiment provides a level with self-calibration zero function, including eyepiece 1 and level body 9, still include: dividing group, dividing group includes dividing plate group 6 and installation group, dividing plate group 6 is connected with the rear end of level body 9 through installation group, when the level factory, the horizontal line of dividing plate group 6 coincides with the optical reference axis of level, and is located at the same scale of standard plate group 5, when the level zero error is 0, and record the scale value, when the horizontal line of dividing plate group 6 deviates from the optical reference axis of level, the position of dividing plate group 6 is adjusted through installation group, so that the horizontal line of dividing plate group 6 coincides with the scale value recorded when factory, when the level zero error is 0 again.

[0028] Standard plate group 5, standard plate group 5 is located at the rear of dividing plate group 6, and is fixedly connected with level body 9, and the standard plate group is used for calibrating the zero of level.

[0029] Dividing plate group 6 includes dividing plate base 61 and dividing plate 62, and the dividing plate 62 is fixedly connected with the dividing plate base 61, and the dividing plate base 61 is slidably connected with the level body 9.

[0030] Installation group includes screw group, moving pin group and spring piece group, and the screw group includes adjusting screw 2 and screw hole 21, and the screw hole 21 passes through the upper side of the rear end support of eyepiece 1 and bears against the dividing plate base 61, and the adjusting screw 2 is threadedly connected with the screw hole 21.

[0031] The movable pin set comprises a movable pin 3 and a movable pin hole 31, the movable pin hole 31 is arranged below the rear end support of the level body 9 and abuts against the scale base 61, and the movable pin 3 is arranged in the movable pin hole 31.

[0032] The spring set comprises a movable pin spring 4 and a spring hole 41, the spring hole 41 is arranged below the rear end support of the ocular lens 1, the bottom end of the movable pin spring 4 is arranged in the spring hole 41 and is fixedly connected below the rear end support of the ocular lens 1, and the other end abuts against the bottom end of the movable pin 3, the adjusting screw 2 is twisted to move downward, the adjusting screw 2 pushes the scale 62 to move downward, and the movable pin spring 4 is compressed; the adjusting screw 2 is twisted to move upward, the movable pin spring 4 is elongated, and the scale 62 is pushed to move upward, so that the position of the scale 62 is changed, and the zero error is zeroed.

[0033] The standard plate set comprises a standard plate base 51 and a standard plate 52, and the standard plate base 51 is fixedly arranged on the level body 9.

[0034] The standard plate 52 is fixedly arranged on the front surface of the standard plate base 51, and a plurality of scales are arranged on the standard plate 52.

[0035] Before the level is delivered, after all optical system debugging is completed, the horizontal line of the scale 62 coincides with the optical reference axis of the level, the zero error is 0, at this time, the horizontal line of the scale 62 and the optical reference axis of the level will be on the same scale of the standard plate 52, and the level can normally measure; when the zero error deviates, the horizontal line of the scale 62 will not be on the scale value recorded on the standard plate 52, the position of the scale 62 needs to be adjusted, the adjusting screw 2 is twisted, the scale set 6 moves up and down on the surface of the standard plate set 5, the position of the scale 62 is quickly adjusted, and when the horizontal line of the scale 62 and the optical reference axis of the level are on the same scale of the standard plate 52 at the time of delivery, the zero error is zeroed.

[0036] The above is only a preferred embodiment of the present application, and does not limit the present application in any form, although the present application has been disclosed as above with the preferred embodiment, however, it is not used to limit the present application, any person skilled in the art, without departing from the technical scheme range of the present application, can make some changes or modifications to the above disclosed technical content to make equivalent embodiments with equivalent changes, but as long as it does not depart from the technical scheme content of the present application, any modification, equivalent change and modification of the above embodiment according to the technical essence of the present application, all still belong to the range of the technical scheme of the present application.

Claims

1. A level with self-calibrating zero function, comprising an eyepiece (1) and a level body (9), characterized in that, Also include: The division group includes the division plate group (6) and the installation group, the division plate group (6) is connected with the level body (9) through the installation group, when the level leaves the factory, the horizontal line of the division plate group (6) coincides with the optical reference axis of the level, and is located at the same scale of the standard plate group (5), and the value is recorded, at this time, the level zero error is 0, when the horizontal line of the division plate group (6) deviates from the optical reference axis of the level, the position of the division plate group (6) is adjusted through the installation group, so that the horizontal line of the division plate group (6) moves to the scale recorded by the standard plate group when leaving the factory, at this time, the horizontal line of the division plate group (6) coincides with the optical reference axis of the level, and the level zero error is 0; The standard plate group (5) is located behind the division plate group (6) and is fixedly connected with the level body (9), and the standard plate group (5) is used for calibrating the zero position of the level.

2. The level with self-calibrating zero function according to claim 1, characterized in that, The division plate group (6) includes a division plate base (61) and a division plate (62), the division plate (62) is fixedly connected with the division plate base (61), and the division plate base (61) is slidably connected with the level body (9).

3. The level with self-calibrating zero function according to claim 2, characterized in that, The installation group includes a screw group, a movable pin group and a spring leaf group, the screw group includes an adjusting screw (2) and a screw hole (21), the screw hole (21) passes through the upper side of the rear end support of the ocular lens (1) and abuts against the division plate base (61), and the adjusting screw (2) is threadedly connected with the screw hole (21).

4. The level with self-calibrating zero function according to claim 3, characterized in that, The movable pin group includes a movable pin (3) and a movable pin hole (31), and the movable pin hole (31) passes through the lower side of the rear end support of the ocular lens (1) and abuts against the division plate base (61).

5. The level with self-calibrating zero function according to claim 4, characterized in that, The movable pin (3) is located in the movable pin hole (31).

6. The level with self-calibrating zero function according to claim 4, characterized in that, The spring leaf group includes a movable pin spring leaf (4) and a spring leaf hole (41), and the spring leaf hole (41) is located below the rear end support of the ocular lens (1).

7. The level with self-calibrating zero function according to claim 6, characterized in that, The bottom end of the movable pin spring leaf (4) is located in the spring leaf hole (41) and is fixedly connected with the lower side of the rear end support of the ocular lens (1), and the other end abuts against the bottom end of the movable pin (3).

8. The level with self-calibrating zero function according to claim 1, characterized in that, The standard plate group (5) includes a standard plate base (51) and a standard plate (52), and the standard plate base (51) is fixedly arranged on the level body (9).

9. The level with self-calibrating zero function according to claim 8, characterized in that, The standard plate (52) is fixedly arranged on the front surface of the standard plate base (51).

10. The level with self-calibrating zero function according to claim 9, characterized in that, The standard plate (52) is provided with a plurality of scales.

Images