Auxiliary observation device for theodolite
By installing a reflector and a limiting structure on the theodolite eyepiece as an auxiliary observation device, the observation method has been changed, enabling top-down observation, improving comfort and accuracy, protecting the eyes in high-light environments, and adapting to the needs of different observers.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-24
AI Technical Summary
Theodolites need to be placed at a specific height for observation, which requires observers to squat or half-squat to adjust their eye level. This is inconvenient to operate and the unstable center of gravity affects the observation effect and accuracy.
Design an auxiliary observation device for mounting on the eyepiece of a theodolite, including a mounting tube, a connecting seat, a reflector, a cover plate, and a limiting structure. The reflector changes the imaging angle of the light, allowing the observer to look down at the observation port for observation. It is equipped with a detachable sunglass lens and a limiting structure to accommodate different users.
It improves the comfort and accuracy of observation, reduces the impact of shaking on the observer, protects the eyes in high light conditions, and meets the needs of different observers.
Smart Images
Figure CN224034650U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to surveying and mapping instrument technical field more specifically, relate to a kind of supplementary observation device for theodolite. BACKGROUND
[0002] Theodolite is an optical instrument for measuring horizontal and vertical angles, widely used in topographic surveying, engineering lofting and geodetic surveying, etc. It is one of the important tools for geographic information system data collection. Theodolite can be used to measure azimuth angle, i.e. the angle of the direction from the observation point to the target point relative to true north. The operator can observe the target through the eyepiece, and then read the angle value on the horizontal and vertical scales to determine the position of the target point.
[0003] However, the theodolite needs to be placed at a specific height for observation due to the observation angle and the direction. Most of the heights are below the head of the human body, so the observer needs to crouch or half-crouch to adjust the eye level to the eyepiece. It is very inconvenient and laborious to observe each time, and the observer's center of gravity is unstable during observation, which may affect the observation effect and accuracy, and is not convenient to use.
[0004] Therefore, it is necessary to provide a supplementary observation device for theodolite to solve the above technical problems. UTILITY MODEL CONTENT
[0005] The utility model aims to provide a supplementary observation device for theodolite to solve the above technical problems.
[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:
[0007] A supplementary observation device for theodolite is installed on the eyepiece of the theodolite, comprising:
[0008] A mounting cylinder is mounted on the eyepiece, and an opening is provided through the front and back of the mounting cylinder;
[0009] A connecting seat is detachably connected with the mounting cylinder, two mounting surfaces are provided on the connecting seat, and a reflecting mirror in the shape of a straight triangular prism is embedded in the two mounting surfaces;
[0010] A cover plate is detachably provided on one of the mounting surfaces, an observation opening is provided on the cover plate, and a transparent lens is provided in the observation opening.
[0011] Further, a detachable rotating member is provided at the end of the cover plate away from the connecting seat, a protective opening is provided on the rotating member and matched with the observation opening, and a sunglass lens is mounted in the protective opening.
[0012] Further, it further comprises:
[0013] The limiting sheet and the adapter disc are connected to the connecting seat at one end and connected to the limiting sheet at the other end.
[0014] The limiting sheet and the adapter disc are respectively provided with corresponding through holes and through holes.
[0015] Further, the mounting cylinder is provided with a blocking ring, the blocking ring is located between the limiting sheet and the adapter disc, and the outer diameter of the limiting sheet is smaller than the inner diameter of the mounting cylinder and larger than the inner diameter of the blocking ring.
[0016] Further, the mounting surface on one side of the connecting seat is provided with a first screw hole, and the limiting sheet and the adapter disc are respectively provided with a first connecting hole and a second connecting hole matched with the first screw hole.
[0017] Further, the mounting surface on the other side of the connecting seat is provided with a second screw hole and a third screw hole, and the cover plate is provided with a fixing hole and a limiting hole matched with the second screw hole and the third screw hole respectively.
[0018] Further, the rotating part is provided with an opening matched with the limiting hole, and the opening is provided with a threaded stud threadedly connected with the third screw hole.
[0019] Further, the ocular lens is provided with a plurality of protrusions, and the outer wall of the mounting cylinder is provided with a plurality of notches matched with the protrusions.
[0020] Compared with the prior art, the present application has the following advantages:
[0021] The present application makes the imaging of the ocular lens in the theodolite reflected by the reflecting mirror and projected towards the observation port, that is, the observer only needs to observe by bending over and looking down at the observation port, realizing the conversion of the observer from looking straight at the ocular lens to looking down, which is different from the way of squatting or half-squatting to make the eyes parallel to the ocular lens, and the change of the observation method of the observer by the auxiliary observation device of the present application makes the observation more convenient, improves the comfort of the observer, avoids the shaking of the observer during observation and affects the observation effect, improves the accuracy of observation, has high practicability, and can be widely used.
[0022] When the ambient brightness is high, the rotating part can be rotated to cover the observation port with the protective cover, and the sunglasses in the protective cover can reduce the light intensity entering the eyes, protect the eyes from ultraviolet damage, and improve the visual comfort and clarity.
[0023] The mounting cylinder can be limited by the limiting sheet and the adapter disc, the mounting cylinder can rotate relative to the limiting sheet and the adapter disc, when the mounting cylinder is connected with the ocular lens, the adapter disc can drive the connecting seat and the cover plate to rotate, so that the observation port can be kept in the upward direction, that is, the observation port can be adjusted to adapt to the eyes of the observer, and adaptive adjustment can be carried out, and the use of different observers can be met. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 A position structure schematic view of the device installed on the theodolite;
[0025] Figure 2 For Figure 1 An enlarged structure schematic view of A in the middle;
[0026] Figure 3 A whole structure schematic view of the auxiliary observation device;
[0027] Figure 4 An exploded structure schematic view of the auxiliary observation device;
[0028] Figure 5 A position local structure schematic view of the ocular lens of the theodolite.
[0029] Mark number explanation in the drawing:
[0030] 1, theodolite; 2, ocular lens; 3, mounting cylinder; 4, connecting seat; 5, mounting surface; 6, reflecting mirror; 7, cover plate; 8, observation port; 9, rotating part; 10, protection port; 11, limiting sheet; 12, adapter disc; 13, through port; 14, through hole; 15, blocking ring; 16, first screw hole; 17, first connecting hole; 18, second connecting hole; 19, second screw hole; 20, third screw hole; 21, fixing hole; 22, limiting hole; 23, stud; 24, protrusion; 25, notch. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0032] Please refer to Figures 1-5 An auxiliary observation device for a theodolite is installed on an ocular lens 2 of the theodolite 1, and comprises:
[0033] A mounting cylinder 3 is installed on the ocular lens 2, and openings are formed through the front and back of the mounting cylinder 3;
[0034] The connecting seat 4 is detachably connected with the mounting cylinder 3, two mounting surfaces 5 are arranged on the connecting seat 4, and a straight triangular prism-shaped mirror 6 is embedded in the two mounting surfaces 5; the straight triangular prism-shaped mirror 6 can reflect the light entering from a straight angle surface to another straight angle surface, that is, the light is reflected by 90 degrees, and the angle of light imaging can be changed.
[0035] The cover plate 7 is detachably arranged on one of the mounting surfaces 5, and an observation opening 8 is formed in the cover plate 7, and a transparent lens is arranged in the observation opening 8.
[0036] In use, the mounting cylinder 3 is mounted and connected with one of the mounting surfaces 5 of the connecting seat 4, so that the cover plate 7 is mounted and connected with the other mounting surface 5 of the connecting seat 4, at this time, the observation opening 8 faces the mirror 6 of the mounting surface 5, and after the auxiliary observation device is assembled, the mounting cylinder 3 is connected with the ocular lens 2 of the theodolite 1, as shown in the drawings, at this time, the observation opening 8 of the cover plate 7 is in an upward position, and the imaging environment transmitted to the ocular lens 2 through the objective lens of the theodolite 1 enters the mirror 6 through the mounting cylinder 3, and is then reflected by the mirror 6 and projected towards the observation opening 8, that is, the observer only needs to observe by bending down to look down at the observation opening 8, so that the observer is converted from looking straight at the ocular lens 2 to looking down, which is different from the way that the observer squats or half-squats to make the eyes parallel to the ocular lens 2, the observation mode of the observer is changed by the auxiliary observation device, the observation is more convenient, the labor of observation is saved, the comfort of the observer is improved, the shaking of the observer during observation is avoided, the observation effect is affected, the accuracy of observation is improved, and the auxiliary observation device has high practicability and can be widely used. Figures 1-2 Preferably, as shown in
[0037] , the end of the cover plate 7 away from the connecting seat 4 is further provided with a detachable rotating part 9, the rotating part 9 is provided with a protective opening 10 matched with the observation opening 8, and a sunglass lens is arranged in the protective opening 10. Figures 2-4 In this way, when the brightness of the observation environment is high, the rotating part 9 can be rotated at this time, so that the rotating part 9 drives the protective opening 10 to rotate to the position of the observation opening 8, so that the protective opening 10 covers the observation opening 8, as shown in the drawings.
[0038] Figure 2 Because the sunglass lens in the protective opening 10 can play the role of dark glasses, the intensity of the light entering the eyes can be reduced, the eyes are protected from ultraviolet damage, and the visual comfort and clarity are improved.
[0039] Preferably, as shown in Figures 2-4 , the auxiliary observation device further comprises:
[0040] A limiting sheet 11 and an adapter disc 12, one end of the adapter disc 12 is connected with the connecting seat 4, and the other end is connected with the limiting sheet 11.
[0041] The limiting sheet 11 and the adapter disc 12 are respectively provided with corresponding through holes 13 and through holes 14.
[0042] In this way, the limiting sheet 11 is placed from one side of the mounting cylinder 3, and then the adapter disc 12 is placed on the other side of the mounting cylinder 3, so that the limiting sheet 11 and the adapter disc 12 are connected, and the adapter disc 12 is connected with the connecting seat 4. The mounting cylinder 3 can be limited by the limiting sheet 11 and the adapter disc 12, and can rotate relative to the limiting sheet 11 and the adapter disc 12. When the mounting cylinder 3 is connected with the ocular lens 2, the adapter disc 12 can rotate relative to the mounting cylinder 3, that is, the adapter disc 12 drives the connecting seat 4 and the cover plate 7 to rotate, so that the observation port 8 can be kept in the upward direction, that is, the observation port 8 can be adjusted to adapt to the eyes of the observer, and the adjustment can be adapted to meet the use of different observers.
[0043] Preferably, referring to Figure 4 The mounting cylinder 3 is provided with a blocking ring 15 between the limiting sheet 11 and the adapter disc 12. The outer diameter of the limiting sheet 11 is smaller than the inner diameter of the mounting cylinder 3 and larger than the inner diameter of the blocking ring 15.
[0044] In this way, after the limiting sheet 11 is placed in the mounting cylinder 3, the limiting sheet 11 is blocked by the blocking ring 15. When the limiting sheet 11 and the adapter disc 12 are connected, the mounting cylinder 3 is limited between the limiting sheet 11 and the adapter disc 12 by the blocking ring 15, that is, the movement of the mounting cylinder 3 is limited. When the limiting sheet 11 and the adapter disc 12 are connected, a gap is left, so that the mounting cylinder 3 can rotate relative to the limiting sheet 11 and the adapter disc 12.
[0045] Preferably, referring to Figure 4 The mounting surface 5 on one side of the connecting seat 4 is provided with a first screw hole 16. The limiting sheet 11 and the adapter disc 12 are respectively provided with a first connecting hole 17 and a second connecting hole 18 matched with the first screw hole 16.
[0046] In this way, when the limiting sheet 11 and the adapter disc 12 are connected, the bolts are respectively inserted into the first connecting hole 17 and the second connecting hole 18, and finally the bolts are turned into the first screw hole 16 of the connecting seat 4, so that the limiting sheet 11, the adapter disc 12 and the mounting cylinder 3 are connected with the connecting seat 4.
[0047] When the mounting cylinder 3 is connected with the ocular lens 2, the mounting cylinder 3 cannot rotate, and the limiting sheet 11, the adapter disc 12 and the connecting seat 4 can rotate relative to the mounting cylinder 3.
[0048] Preferably, referring to Figure 4The second screw hole 19 and the third screw hole 20 are arranged on the mounting surface 5 on the other side of the connecting seat 4, and the fixing hole 21 and the limiting hole 22 are arranged on the cover plate 7 and matched with the second screw hole 19 and the third screw hole 20 respectively. In this way, the bolt is passed through the fixing hole 21 and connected with the second screw hole 19 of the connecting seat 4, so that the cover plate 7 is fixed on the mounting surface 5 on one side of the connecting seat 4.
[0049] Preferably, referring to Figure 4 The opening is arranged on the rotating piece 9 and matched with the limiting hole 22, and the stud 23 is arranged in the opening and screwed with the third screw hole 20. The stud 23 is passed through the limiting hole 22 of the rotating piece 9 and screwed into the third screw hole 20 of the connecting seat 4, so that the rotating piece 9 is limited but not fixed and stuck. In this way, the rotating piece 9 can rotate around the stud 23.
[0050] Preferably, referring to Figures 2-5 The plurality of protrusions 24 are arranged on the eyepiece 2, and the plurality of notches 25 are arranged on the outer wall of the mounting cylinder 3 and matched with the protrusions 24. In this way, when the auxiliary observation device is installed, the mounting cylinder 3 is placed on the eyepiece 2, the notches 25 of the mounting cylinder 3 are aligned with the protrusions 24 of the eyepiece 2, and the mounting cylinder 3 is moved, so that the notches 25 slide along the protrusions 24 and finally the mounting cylinder 3 is clamped on the eyepiece 2, that is, the installation of the mounting cylinder 3 is completed, which is convenient for dismounting and installing.
[0051] It should be understood that the examples and embodiments described herein are only for illustration and do not limit the utility model, and those skilled in the art can make various modifications or changes according to it, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
[0052] It should be noted that if the utility model embodiments involve directional indications such as up, down, left, right, front, back, etc., the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, such as shown in the drawings. If the certain posture changes, the directional indications also change accordingly.
[0053] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. Taking "A and / or B" as an example, it includes A scheme, or B scheme, or A and B scheme. In addition, "multiple" means more than two. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of such technical solutions does not exist, nor is it within the protection scope required by the present application.
Claims
1. An auxiliary observation device for the theodolite, which is installed on the eyepiece (2) of the theodolite (1), characterized in that, The utility model relates to a kind of telescopic device, including: Mounting cylinder (3) is mounted on the eyepiece (2), and the front and rear of the mounting cylinder (3) are provided with through opening; Connecting seat (4) is detachably connected with the mounting cylinder (3), and the connecting seat (4) is provided with two mounting surfaces (5), and the two mounting surfaces (5) are embedded with a straight triangular prism-shaped mirror (6); Cover plate (7) is detachably arranged on one of the mounting surfaces (5), and the cover plate (7) is provided with an observation port (8), and the observation port (8) is provided with a transparent lens.
2. The auxiliary observation device for the theodolite according to claim 1, wherein The end of the cover plate (7) away from the connecting seat (4) is further provided with a detachable rotating part (9), and the rotating part (9) is provided with a protective port (10) matched with the observation port (8), and the protective port (10) is provided with a sun lens.
3. The auxiliary observation device for the theodolite according to claim 1, wherein Further including: Limiting sheet (11) and adapter disc (12), one end of the adapter disc (12) is connected with the connecting seat (4), and the other end is connected with the limiting sheet (11); The limiting sheet (11) and the adapter disc (12) are respectively provided with corresponding through port (13) and through hole (14).
4. An auxiliary observation device for a theodolite according to claim 3, characterized in that, The mounting cylinder (3) is provided with a stop ring (15), and the stop ring (15) is located between the limiting sheet (11) and the adapter disc (12), and the outer diameter of the limiting sheet (11) is smaller than the inner diameter of the mounting cylinder (3) and larger than the inner diameter of the stop ring (15).
5. The auxiliary observation device for the theodolite according to claim 3, wherein The mounting surface (5) on one side of the connecting seat (4) is provided with a first screw hole (16), and the limiting sheet (11) and the adapter disc (12) are respectively provided with a first connecting hole (17) and a second connecting hole (18) matched with the first screw hole (16).
6. The auxiliary observation device for the theodolite according to claim 2, wherein The mounting surface (5) on the other side of the connecting seat (4) is provided with a second screw hole (19) and a third screw hole (20), and the cover plate (7) is provided with a fixing hole (21) and a limiting hole (22) matched with the second screw hole (19) and the third screw hole (20) respectively.
7. An auxiliary viewing device for a theodolite according to claim 6, characterized in that The rotating part (9) is provided with an opening matched with the limiting hole (22), and the opening is provided with a stud (23) threadedly connected with the third screw hole (20).
8. The auxiliary observation device for the theodolite according to claim 1, wherein The eyepiece (2) is provided with a plurality of protrusions (24), and the outer wall of the mounting cylinder (3) is provided with a plurality of notches (25) matched with the protrusions (24).