CN217181229U - Light path structure of laser ranging telescope - Google Patents

Abstract

The utility model discloses an optical path structure of a laser range telescope, which relates to the technical field of laser range telescopes and comprises a laser telescope body and a focusing lens, wherein a laser transmitting objective and a laser receiving objective are integrally formed at the front side of the laser telescope body, an eyepiece is integrally formed at the rear side of the laser telescope body, an adjusting mechanism is arranged at the rear side of the laser telescope body and used for adjusting the position of the focusing lens in the laser telescope body, and a cleaning mechanism is arranged at the outer wall of the laser telescope body, in the utility model, a user controls the positive and negative rotation of a driving end of a micro motor through two control switches, a screw rod rotates along with the driving end of the micro motor, and the movable block drives the focusing lens to move back and forth in the laser telescope body through the limit of a guide rod so as to adjust the focusing of the eyepiece, the problem that the sight of a user with short sight can be blurred after wearing the glasses is avoided.

Description

Light path structure of laser ranging telescope

Technical Field

The utility model relates to a laser rangefinder telescope technical field especially relates to a laser rangefinder telescope's light path structure.

Background

The laser ranging telescope is an instrument for accurately measuring the distance of a target by using laser; when the laser distance measuring instrument works, a thin laser beam is emitted to a target, the photoelectric element receives the laser beam reflected by the target, the timer measures the time from emitting to receiving of the laser beam, and the distance from an observer to the target is calculated.

The prior patent (publication No. CN211346767U) discloses a laser ranging telescope comprising: an integrally formed housing having opposing front and rear faces, said housing having an opening extending through said front and rear faces along an axis; the distance measuring telescope module is accommodated in the opening and is fixedly connected with the shell, and the distance measuring telescope module comprises an eyepiece part extending out of the rear end face; the rear end cover is arranged on the rear end face, the rear end cover is provided with an eyepiece hole for the eyepiece part to pass through, the shell is integrally formed, half shells do not need to be closed, and the assembly process is simplified.

Under the state that the eyes are adjusted and relaxed, external parallel light enters the eyes, and the focus of the parallel light just falls on the retina to form a clear image, which is called emmetropia; if the focus fails to fall on the retina, it is called non-emmetropia, i.e. ametropia, myopia being one of the ametropias, when the laser range telescope is used, the focusing adjustment of the ocular lens is inconvenient, although the influence is not great when a normal user uses the telescope, but has the problem that the vision of the user with short sight can be blurred after wearing the glasses, therefore, the applicability is low, the use requirement of the myopia patients cannot be met, meanwhile, the laser ranging telescope is usually used outdoors, the internal temperature is easily higher than the external temperature, and the internal heat and external cold temperature difference is large, so the fog phenomenon exists on the laser emission objective lens, the laser receiving objective lens and the ocular lens, and then there is the blurred problem of scene when using, and the dust on laser emission objective, laser receiving objective and the eyepiece still easily influences the definition simultaneously, has great limitation when consequently this laser rangefinder telescope uses.

Therefore, it is necessary to provide an optical path structure of a laser distance measuring telescope to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a laser rangefinder telescope's light path structure has solved inconvenient focusing regulation and objective and eyepiece to the eyepiece when current laser rangefinder telescope uses and easily exists fog and dust and have the technical problem that the scene can be fuzzy.

For solving the technical problem, the utility model provides a pair of light path structure of laser rangefinder telescope, including laser telescope body and focusing lens, the front side integrated into one piece of laser telescope body has laser emission objective and laser receiving objective, and the rear side integrated into one piece of laser telescope body has the eyepiece, and the outer wall integrated into one piece of laser telescope body has the power key, the rear side of laser telescope body is provided with adjustment mechanism, adjustment mechanism is used for adjusting the focusing lens at this internal position of laser telescope, the outer wall of laser telescope body is provided with clearance mechanism, clearance mechanism is used for clearing up the dust on laser emission objective, laser receiving objective and the eyepiece.

Preferably, adjustment mechanism includes the mounting box, the mounting box inlays and establishes the rear side at the laser telescope body, and the guide bar is installed to the outer wall of mounting box, and the inside of mounting box is provided with micro motor, micro motor's drive end is connected with the screw rod, the outer wall sliding connection of guide bar has the movable block, movable block and screw rod threaded connection, the top at the movable block is installed to the focusing lens, and the user controls micro motor's drive end through two control switch and just reverses, and the micro motor's drive end rotation is followed to the screw rod to spacing through the guide bar makes the movable block drive the focusing lens at this internal back-and-forth movement of laser telescope, and then adjusts the focus of eyepiece, avoids the user of eyes myopia to see behind wearing glasses that the scene in the eyepiece can fuzzy problem.

Preferably, the cleaning mechanism comprises a metal cylinder and a strong magnet, the metal cylinder is connected with the outer wall of the laser telescope body, the strong magnet is magnetically attracted with the metal cylinder, one end of the strong magnet is provided with a protective shell, the inner wall of the protective shell is provided with a sponge, the laser emission objective lens, the laser receiving objective lens and the ocular lens are all matched with the protective shell, by arranging and utilizing the magnetism of the strong magnet, the protective shell is conveniently arranged on the laser telescope body through the metal cylinder, meanwhile, the protective shell is not easy to be separated from the laser telescope body under the non-manpower condition, and after the protective shell is far away from the metal cylinder, dust on the laser emission objective lens, the laser receiving objective lens and the ocular lens can be conveniently cleaned through the sponge, and the sponge has certain function of absorbing water, conveniently clears away the fog on laser emission objective, laser receiving objective and the eyepiece, has the blurred problem of scene when further avoiding using.

Preferably, the guide rod and the screw rod are far away from one end of the mounting box and are provided with limiting blocks, the limiting blocks are limited in moving, and the movable blocks are ensured not to be separated from the guide rod and the screw rod easily.

Preferably, the mounting seat is installed to the inner wall of mounting box, micro motor installs at the top of mounting seat, through setting up the mounting seat, is not only convenient for install micro motor, has promoted the stability when micro motor operates simultaneously.

Preferably, control switch is installed to the outer wall of mounting box, control switch and micro motor electric connection, through setting up two control switches, are convenient for control micro motor's just reversal, and then make things convenient for more and adjust the position of focusing lens at this internal laser telescope.

Preferably, the outer wall of the laser telescope body is provided with a protective sleeve, the protective sleeve is made of rubber, the rubber is a high-elasticity polymer material with reversible deformation and is rich in elasticity, the rubber can generate large deformation under the action of small external force, the rubber can recover the original shape after the external force is removed, the transmission of impact during collision is reduced by setting and utilizing the elasticity of the protective sleeve, the impact force acting on the laser telescope body is reduced, and the service life of the laser telescope body is further prolonged.

Preferably, the outer wall integrated into one piece of lag has anti-skidding granule, through setting up anti-skidding granule, has increased the frictional force between staff and the lag, and then avoids taking place to take off one's hand the phenomenon.

Compared with the prior art, the utility model provides a pair of laser rangefinder telescope's light path structure has following beneficial effect:

1. the utility model discloses in, the user controls micro motor's drive end just reversal through two control switch, and the screw rod is followed micro motor's drive end and is rotated to spacing through the guide bar makes the movable block drive focusing lens at this internal back-and-forth movement of laser telescope, and then adjusts the focus of eyepiece, avoids the user of eyes myopia to see the problem that the scene in the eyepiece can be fuzzy after wearing glasses.

2. The utility model discloses in, through setting up and utilizing the magnetism of strong magnet, conveniently install the protecting crust on the laser telescope body through metal cylinder, make the protecting crust difficult break away from the laser telescope body under the condition of non-manpower simultaneously, keep away from the metal cylinder with the protecting crust after, conveniently clear up laser emission objective through the sponge, dust on laser receiving objective and the eyepiece, and the sponge has certain function of absorbing water, conveniently clear away laser emission objective, the fog on laser receiving objective and the eyepiece, there is the scene can be fuzzy problem when further avoiding using.

Drawings

FIG. 1 is a schematic diagram of a front view of an optical path structure of a laser range telescope;

FIG. 2 is a schematic diagram of a rear view of an optical path structure of a laser range telescope;

FIG. 3 is a schematic sectional view of a mounting box in an optical path structure of a laser range telescope;

FIG. 4 is an enlarged view of the structure at A in FIG. 1;

fig. 5 is an enlarged view of the structure at B in fig. 3.

Reference numbers in the figures: 1. a laser telescope body; 2. a laser emission objective lens; 3. a laser receiving objective lens; 4. an eyepiece; 5. a power key; 6. mounting a box; 7. a guide bar; 8. a micro motor; 9. a screw; 10. a movable block; 11. a focusing lens; 12. a metal cylinder; 13. a strong magnet; 14. a protective shell; 15. a sponge; 16. a limiting block; 17. a mounting seat; 18. a control switch; 19. a protective sleeve.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are used in the orientation or positional relationship indicated on the basis of the drawings, it is only for convenience of description and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the first embodiment, as shown in fig. 1-5, an optical path structure of a laser range telescope comprises a laser telescope body 1 and a focusing lens 11, a laser transmitting objective lens 2 and a laser receiving objective lens 3 are integrally formed on the front side of the laser telescope body 1, an eyepiece 4 is integrally formed on the rear side of the laser telescope body 1, a power key 5 is integrally formed on the outer wall of the laser telescope body 1, an adjusting mechanism is arranged on the rear side of the laser telescope body 1 and used for adjusting the position of the focusing lens 11 in the laser telescope body 1, a cleaning mechanism is arranged on the outer wall of the laser telescope body 1 and used for cleaning dust on the laser transmitting objective lens 2, the laser receiving objective lens 3 and the eyepiece 4, the adjusting mechanism comprises a mounting box 6, the mounting box 6 is embedded on the rear side of the laser telescope body 1, a guide rod 7 is mounted on the outer wall of the mounting box 6, the interior of the mounting box 6 is provided with a micro motor 8, the driving end of the micro motor 8 is connected with a screw rod 9, the outer wall of the guide rod 7 is connected with a movable block 10 in a sliding way, the movable block 10 is connected with the screw rod 9 in a threaded way, the focusing lens 11 is arranged at the top of the movable block 10, the guide rod 7 and one end of the screw rod 9 far away from the mounting box 6 are provided with a limiting block 16, through the arrangement of the limiting block 16, the movement of the movable block 10 is limited, and the movable block 10 is ensured not to be separated from the guide rod 7 and the screw rod 9 easily, a user controls the driving end of the micro motor 8 to rotate forward and backward through two control switches 18, the screw rod 9 rotates along with the driving end of the micro motor 8, and the movable block 10 drives the focusing lens 11 to move back and forth in the laser telescope body 1 through the limit of the guide rod 7, and then to the focus regulation of eyepiece 4, avoid the user that the eyes are myopic to see behind the wearing glasses that the scene in eyepiece 4 can be vague the problem.

In this embodiment: the micro-motor 8 is of the type SY-RF370 CA.

In the second embodiment, on the basis of the first embodiment, the cleaning mechanism includes a metal cylinder 12 and a strong magnet 13, the metal cylinder 12 is connected with the outer wall of the laser telescope body 1, the strong magnet 13 is magnetically attracted to the metal cylinder 12, a protective shell 14 is installed at one end of the strong magnet 13, a sponge 15 is installed on the inner wall of the protective shell 14, the laser emission objective 2, the laser receiving objective 3 and the eyepiece 4 are all matched with the protective shell 14, the protective shell 14 is conveniently installed on the laser telescope body 1 through the metal cylinder 12 by setting and utilizing the magnetism of the strong magnet 13, the protective shell 14 is simultaneously enabled not to be easily separated from the laser telescope body 1 under the non-manual condition, after the protective shell 14 is far away from the metal cylinder 12, dust on the laser emission objective 2, the laser receiving objective 3 and the eyepiece 4 is conveniently cleaned through the sponge 15, and the sponge 15 has a certain water absorption function, and is convenient for cleaning the laser emission objective 2, the eyepiece 4, Fog on the laser receiving objective lens 3 and the ocular lens 4 further avoids the problem that the scene is blurred when the fog is used.

Embodiment three, on the basis of embodiment one, mount pad 17 is installed to the inner wall of mounting box 6, micro motor 8 is installed at the top of mount pad 17, control switch 18 is installed to the outer wall of mounting box 6, control switch 18 and micro motor 8 electric connection, through setting up mount pad 17, not only be convenient for install micro motor 8, stability when having promoted micro motor 8 function simultaneously, and reduce the noise that produces when micro motor 8 functions, through setting up two control switch 18, be convenient for control micro motor 8's positive and negative commentaries on classics, and then conveniently adjust the position of focusing lens 11 in laser telescope body 1 more.

Fourth embodiment, on the basis of the first embodiment, the outer wall of the laser telescope body 1 is provided with the protective sleeve 19, the outer wall of the protective sleeve 19 is integrally formed with the anti-skidding particles, the rubber is a high-elasticity polymer material with reversible deformation and is rich in elasticity, can generate large deformation under the action of small external force, and can recover to the original shape after the external force is removed, through setting and utilizing the elasticity of the protective sleeve 19, the transmission of impact during collision is reduced, so that the impact force acting on the laser telescope body 1 is reduced, the service life of the laser telescope body 1 is further prolonged, a certain anti-collision function is achieved, and through the arrangement of the anti-skidding particles, the friction force between a human hand and the protective sleeve 19 is increased, and the phenomenon of hand drop is further avoided.

The working principle is as follows:

in the focus adjustment of the eyepiece 4:

the user controls micro motor 8's drive end through two control switch 18 and just reverses, and screw rod 9 follows micro motor 8's drive end and rotates to spacing through guide bar 7 makes movable block 10 drive focusing lens 11 back-and-forth movement in laser telescope body 1, and then adjusts the focus of eyepiece 4, avoids the user of eyes myopia to see behind wearing glasses that the scene in the eyepiece 4 can be fuzzy problem.

When clearing up the dust on laser emission objective 2, laser receiving objective 3 and eyepiece 4:

through setting up and utilizing the magnetism of strong magnet 13, conveniently install protecting crust 14 on laser telescope body 1 through metal cylinder 12, make protecting crust 14 difficult break away from laser telescope body 1 under the condition of non-manpower simultaneously, keep away from behind metal cylinder 12 with protecting crust 14, conveniently clear up laser emission objective 2 through sponge 15, dust on laser receiving objective 3 and the eyepiece 4, and sponge 15 has certain water absorption function, conveniently clear away laser emission objective 2, the fog on laser receiving objective 3 and the eyepiece 4, there is the blurred problem of scene when further avoiding using.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a light path structure of laser rangefinder telescope, includes laser telescope body (1) and focusing lens (11), the front side integrated into one piece of laser telescope body (1) has laser emission objective (2) and laser receiving objective (3), and the rear side integrated into one piece of laser telescope body (1) has eyepiece (4), and the outer wall integrated into one piece of laser telescope body (1) has power key (5), its characterized in that, the rear side of laser telescope body (1) is provided with adjustment mechanism, adjustment mechanism is used for adjusting the position of focusing lens (11) in laser telescope body (1), the outer wall of laser telescope body (1) is provided with clearance mechanism, clearance mechanism is used for clearing up the dust on laser emission objective (2), laser receiving objective (3) and eyepiece (4).

2. The optical path structure of the laser ranging telescope according to claim 1, wherein the adjusting mechanism comprises a mounting box (6), the mounting box (6) is embedded at the rear side of the laser telescope body (1), a guide rod (7) is mounted on the outer wall of the mounting box (6), a micro motor (8) is arranged inside the mounting box (6), a screw (9) is connected to the driving end of the micro motor (8), a movable block (10) is slidably connected to the outer wall of the guide rod (7), the movable block (10) is in threaded connection with the screw (9), and the focusing lens (11) is mounted at the top of the movable block (10).

3. The optical path structure of the laser ranging telescope according to claim 1, wherein the cleaning mechanism comprises a metal cylinder (12) and a strong magnet (13), the metal cylinder (12) is connected with the outer wall of the laser telescope body (1), the strong magnet (13) is magnetically attracted to the metal cylinder (12), a protective shell (14) is installed at one end of the strong magnet (13), a sponge (15) is installed on the inner wall of the protective shell (14), and the laser emitting objective (2), the laser receiving objective (3) and the eyepiece (4) are matched with the protective shell (14).

4. The optical path structure of the laser ranging telescope according to claim 2, wherein a limiting block (16) is arranged at one end of the guide rod (7) and the screw rod (9) far away from the mounting box (6).

5. The optical path structure of the laser ranging telescope according to claim 2, wherein the mounting base (17) is mounted on the inner wall of the mounting box (6), and the micro motor (8) is mounted on the top of the mounting base (17).

6. The optical path structure of the laser ranging telescope according to claim 2, wherein a control switch (18) is mounted on the outer wall of the mounting box (6), and the control switch (18) is electrically connected with the micro motor (8).

7. The optical path structure of a laser distance measuring telescope according to claim 1, wherein the outer wall of the laser telescope body (1) is provided with a protective sleeve (19).

8. The optical path structure of a laser range telescope according to claim 7, wherein the outer wall of the protective sheath (19) is integrally formed with anti-slip particles.

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