CN220853564U

CN220853564U - Engineering measurement level

Info

Publication number: CN220853564U
Application number: CN202321847264.1U
Authority: CN
Inventors: 陈雷; 王妍
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-04-26
Anticipated expiration: 2033-07-13

Abstract

The utility model discloses an engineering measurement level, which belongs to the technical field of engineering measurement and comprises a base, wherein one end of the base is connected with a round level, the top of the base is provided with a level body, one end of the level body is connected with a mounting plate through an optical channel, one side of the mounting plate is provided with an observation hole in a penetrating way, two ends of the mounting plate are respectively provided with a special-shaped bayonet and a lower guide groove, the inside of the special-shaped bayonet is welded with a containing plate in a clamping way, one side of the containing plate is provided with an upper guide groove, the upper guide groove is communicated with the lower guide groove, the front surface of the containing plate is provided with a central hole, and the inside of the lower guide groove is movably connected with an ocular. According to the utility model, the fan-shaped containing plate is arranged, so that a plurality of standby ocular lenses can be contained and installed, and the ocular lenses are conveniently configured by moving the ocular lenses along the concave of the upper guide groove, so that the use convenience is improved, and the observation range of the leveling instrument is enlarged or reduced.

Description

Engineering measurement level

Technical Field

The utility model relates to the technical field of engineering measurement, in particular to an engineering measurement level.

Background

A level gauge is an instrument for measuring the height difference between two points on the ground by establishing a horizontal line of sight. The principle is to measure the height difference between ground points according to the leveling principle. The main components of the level comprise a telescope, a level and a base, wherein the telescope is used for aiming at a target and measuring distance, and the telescope comprises an objective lens, a focusing lens, a cross wire reticle and an eyepiece.

However, when the existing engineering measurement level is used for measuring the distance of objects with different distances, if the ocular lenses with different focal lengths can be replaced, the observation range can be conveniently enlarged, and the convenience of the use of the level is improved.

Disclosure of utility model

The utility model aims to provide an engineering measurement level, which solves the problems that when the existing engineering measurement level is used for measuring the distances of objects with different distances, if ocular lenses with different focal lengths can be replaced, the observation range is conveniently enlarged and the use convenience of the level is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides an engineering measurement level, includes the base, and the base is used for connecting tripod subassembly, and the one end of base is connected with the round level ware, and the round level ware is a confined circular glass container and leaves a little bubble, and the angle value of round level ware is 'to' the base top is installed the level body, the one end of level body is connected with the mounting panel through optical path, and the observation hole has been run through to one side of mounting panel, and dysmorphism bayonet socket and lower guide way have been seted up respectively at the both ends of mounting panel for guide the removal of eyepiece keeps the travel path of eyepiece, and the inside joint welding of dysmorphism bayonet socket has the accommodation plate, and the guide way has been seted up on one side of accommodation plate, goes up guide way and lower guide way intercommunication, has seted up the centre bore in the front of accommodation plate, and the inside swing joint of lower guide way has the eyepiece, and the eyepiece is used for amplifying the real image that is obtained by the objective lens is enlargied again.

As a further scheme of the utility model: the accommodation plate is a fan-shaped plane plate, the upper guide groove is an arc-shaped groove, the curvature of the upper guide groove is equal to that of the accommodation plate, and the accommodation plate is used for accommodating a plurality of standby ocular lenses, so that the ocular lenses can be conveniently called.

As a further scheme of the utility model: the leveling instrument body comprises a round leveling reading prism, an objective lens and a focusing hand wheel, wherein the round leveling reading prism, the objective lens and the focusing hand wheel are connected with the side faces of the round leveling reading prism, the round leveling reading prism is used for reading books of the leveling instrument, the objective lens is used for magnifying an observed object, and the focusing hand wheel is used for adjusting focuses of the ocular lens and the objective lens to be coincident.

As a further scheme of the utility model: the top welding of level body has the handle, and symmetrical preformed hole has been run through to the both ends of handle, avoids sheltering from look into the door, and the handle has made things convenient for taking of level.

As a further scheme of the utility model: the inside swing joint of going up the guide way has reserve eyepiece group, and reserve eyepiece group includes a plurality of eyepiece for enlarge the real image that the objective enlarged gained again, thereby realize the observation to the remote object.

As a further scheme of the utility model: the standby eyepiece group comprises a lens cone and a positioning plate, one side of the positioning plate is welded with a connecting pin, the connecting pin is movably clamped with the lower guide groove, and the connecting pin is clamped with the inner wall of the guide groove in a damping way, so that the installation position of the eyepiece is conveniently positioned.

As a further scheme of the utility model: the center lines of the center hole, the ocular, the illumination door and the objective lens are collinear, so that the smoothness of an optical path in the ocular can be ensured.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the fan-shaped containing plate is arranged, so that a plurality of standby ocular lenses can be contained and installed, and the ocular lenses are conveniently configured by moving the ocular lenses along the concave of the upper guide groove, so that the use convenience is improved, and the observation range of the leveling instrument is enlarged or reduced.

2. In the utility model, by arranging the central hole, the ocular, the illumination gate and the central line of the objective lens to be collinear, the smoothness of the optical path in the ocular can be ensured, and the symmetrical reserved holes are arranged at the two ends of the handle in a penetrating way, so that the illumination gate is prevented from being blocked, and the handle is convenient for taking the level.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the handle attachment structure of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

FIG. 4 is a front view of the present utility model;

FIG. 5 is a block diagram of an alternate eyepiece of the present utility model;

FIG. 6 is a schematic view of the body structure of the level of the present utility model.

In the figure: 1. a base; 2. a level body; 3. a round leveling reading prism; 4. taking a door; 5. an objective lens; 6. a handle; 7. a preformed hole; 8. focusing hand wheel; 9. a round level; 10. an optical channel; 11. a mounting plate; 12. a special-shaped bayonet; 13. a lower guide groove; 14. an observation hole; 15. a receiving plate; 16. a central bore; 17. an upper guide groove; 18. an eyepiece; 19. a standby eyepiece group; 20. a positioning plate; 21. a connecting pin; 22. lens barrel.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-6, in an embodiment of the present utility model, an engineering measuring level includes a base 1, the base 1 is used for connecting an external tripod assembly, a threaded hole is formed at the bottom center of the base 1, the base 1 and the external tripod assembly can be detachably connected by adopting a bolt adapted to the threaded hole, so as to adjust the level and the position of a user's glasses on the same horizontal line, and improve the accuracy of observation, one end of the base 1 is connected with a round level 9, the round level 9 is a closed round glass container and leaves a small bubble, the angle value of the round level 9 is 8' to 15' for reflecting the level degree when the level is placed, a level body 2 is mounted on the top of the base 1, by establishing a horizontal line of sight for measuring the height difference between two points on the ground, the level body 2 includes a round level reading prism 3, an objective lens 5 and a focusing hand wheel 8 connected laterally, the round leveling reading prism 3 is used for indicating the whole leveling state of the leveling instrument, the leveling instrument body 2 also comprises a peep sight 4 arranged at the top of the peep sight 4, the peep sight 4 is used as a rough sighting device of the leveling instrument and is used for aiming at a measuring point, the objective lens 5 is used for amplifying an observed object, the top of the leveling instrument body 2 is welded with a handle 6, two ends of the handle 6 are penetrated and provided with symmetrical preformed holes 7, the area of the opening outline of the preformed holes 7 is larger than the projection area of the illumination 4, the peep sight 4 can be prevented from being blocked, the handle 6 is convenient for taking the leveling instrument, an antistatic sleeve is connected on the surface of the handle 6 in a gluing way, static electricity can be prevented from being generated by the handle 6, the focusing hand wheel 8 is used for adjusting the focus of the ocular 18 and the objective lens 5 to be coincident, the focus of the ocular 18 and the objective lens is used for aligning the focus of the ocular lens, one end of the leveling instrument body 2 is connected with a mounting plate 11 through an optical channel 10, the observation hole 14 has been run through to one side of mounting panel 11, the observation hole 14 is used for avoiding sheltering from the optical path, special-shaped bayonet 12 and lower guide way 13 have been seted up respectively to the both ends of mounting panel 11, lower guide way 13 is used for guiding the removal of eyepiece 18 respectively through the cooperation upper guide way 17, keep the travel path of eyepiece 18 to predetermineeing the route, be convenient for quick adjustment eyepiece 18 to observation point position, special-shaped bayonet 12's inside joint welding has accommodation plate 15, upper guide way 17 has been seted up to one side of accommodation plate 15, upper guide way 17 and lower guide way 13 intercommunication, the centre bore 16 has been seted up in the front of accommodation plate 15, the inside swing joint of lower guide way 13 has eyepiece 18, eyepiece 18 is used for amplifying the real image that obtains by objective 5 again, accommodation plate 15 is fan-shaped plane board, upper guide way 17 is the arc recess, the curvature of upper guide way 17 equals with the curvature of accommodation plate 15, accommodation plate 15 is used for accommodating a plurality of eyepiece 18 for reserve, be convenient for the calling of eyepiece 18, through setting up fan-shaped accommodation plate 15, can accomodate installation to a plurality of eyepiece 18 reserve, through the sunken eyepiece 18 that removes used eyepiece 18 along upper guide way 17, the convenient for use level gauge has been enlarged or convenient for use has enlarged the scope simultaneously.

Preferably, as shown in fig. 1, a standby eyepiece group 19 is movably connected to the inside of the upper guide groove 17, and the standby eyepiece group 19 includes a plurality of eyepieces for re-magnifying the real image obtained by magnifying the objective lens 5, thereby realizing the observation of the remote object.

Preferably, as shown in fig. 1 and 4, the standby eyepiece 19 includes a lens barrel 22 and a positioning plate 20, one side of the positioning plate 20 is welded with a connecting pin 21, the connecting pin 21 is movably clamped with the lower guide groove 13, and the connecting pin 21 is in damping clamping connection with the inner wall of the guide groove, so as to be convenient for positioning the installation position of the eyepiece 18.

Preferably, as shown in fig. 4, the center lines of the center hole 16, the eyepiece 18, the illuminator door 4 and the objective lens 5 are collinear, so that the optical path within the eyepiece 18 is ensured.

The working principle of the utility model is as follows: when the novel leveling instrument is used, the eyepieces 18 in the standby eyepiece group 19 can move in the guide grooves in a damping manner through the connecting pins 21, the upper guide grooves 17 are communicated with the lower guide grooves 13, and double-rail T-shaped paths are formed after the upper guide grooves 17 are communicated with the lower guide grooves 13, so that the eyepieces 18 with different magnification factors can be replaced conveniently, the use convenience of the leveling instrument is improved, and the observation range of the leveling instrument is enlarged.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an engineering survey level, includes base (1), and the one end of base (1) is connected with round level (9), and level body (2), its characterized in that are installed at base (1) top: one end of the level body (2) is connected with a mounting plate (11) through an optical channel (10), one side of the mounting plate (11) is penetrated and is provided with an observation hole (14), two ends of the mounting plate (11) are respectively provided with a special-shaped bayonet (12) and a lower guide groove (13), the inside of the special-shaped bayonet (12) is clamped and welded with a containing plate (15), one side of the containing plate (15) is provided with an upper guide groove (17), the upper guide groove (17) is communicated with the lower guide groove (13), the front surface of the containing plate (15) is provided with a central hole (16), and the inside of the lower guide groove (13) is movably connected with an ocular (18).

2. An engineering survey level according to claim 1, wherein: the accommodating plate (15) is a fan-shaped plane plate, the upper guide groove (17) is an arc-shaped groove, and the curvature of the upper guide groove (17) is equal to that of the accommodating plate (15).

3. An engineering survey level according to claim 1, wherein: the leveling instrument body (2) comprises a round leveling reading prism (3), an objective lens (5) and a focusing hand wheel (8) which are connected with the side face, and the leveling instrument body (2) further comprises a peep hole (4) arranged at the top of the leveling instrument body.

4. An engineering survey level according to claim 3 wherein: the top welding of surveyor's level body (2) has handle (6), and symmetrical preformed hole (7) have been run through to the both ends of handle (6), avoid sheltering from look into door (4).

5. An engineering survey level according to claim 1, wherein: the inside of the upper guide groove (17) is movably connected with a standby eyepiece group (19), and the standby eyepiece group (19) comprises a plurality of eyepieces and is used for amplifying the real image obtained by amplifying the objective lens (5) again.

6. An engineering survey level according to claim 5 wherein: the standby eyepiece group (19) comprises a lens cone (22) and a positioning plate (20), one side of the positioning plate (20) is welded with a connecting pin (21), and the connecting pin (21) is movably clamped with the lower guide groove (13).

7. An engineering survey level according to claim 1, wherein: the central lines of the central hole (16), the ocular (18), the peep sight (4) and the objective lens (5) are collinear.