CN217383990U

CN217383990U - Sighting telescope and laser ranging module thereof

Info

Publication number: CN217383990U
Application number: CN202221114132.3U
Authority: CN
Inventors: 吴涛
Original assignee: Infiray Technologies Co Ltd
Current assignee: Infiray Technologies Co Ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-06
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a sighting telescope and laser range finding module thereof, the laser range finding module comprises a laser transmitting component, a laser receiving component, a display screen, a first reflector and a second reflector, the laser transmitting component is used for transmitting laser to a target object, the laser receiving component is used for receiving the laser reflected by the target object, the display screen is used for displaying the distance information of the target object obtained according to the time of laser transmitting and receiving, the first reflector is positioned at the light-emitting side of the display screen and comprises a first reflecting surface, the second reflector is positioned at the light-emitting side of the first reflector and forms an angle with the first reflector, the second reflector comprises a second reflecting surface and a transmission surface which are opposite, the transmission direction of the light-emitting of the display screen after continuous reflection through the first reflecting surface and the second reflecting surface is consistent with the transmission direction of visible light after passing through the transmission surface, the utility model displays the image and the distance information of the target object in an overlapping way at an eyepiece, the user does not need to switch the observation position and does not need to change the original white light aiming structure.

Description

Sighting telescope and laser ranging module thereof

Technical Field

The utility model relates to an aim utensil technical field, especially relate to a gun sight and laser rangefinder module thereof.

Background

With the rapid development of electronic technology and the continuous improvement of performance of photoelectric devices, laser ranging has been greatly developed, becoming one of the main ways of measuring distance, and is also more and more widely applied in civil and military fields, such as being used in ships and oceans for oil exploration, traffic control for measuring automobile speed, and firearm sights for measuring target distance to achieve accurate striking.

At present, the application of laser ranging in a firearm sight mainly has the following two aspects: firstly, the method is combined with an infrared sighting device or a low-light sighting device, and target distance information is output on a display screen in the sighting device, the method highly depends on the development of an electronic sighting device, and the method has high manufacturing cost and poor stability for occasions only using white light sighting; and secondly, the external laser range finder is directly installed on the firearm, the manner needs a shooter to observe the sighting telescope of the original firearm and needs to observe the display screen of the external laser range finder, and the judgment of the shooter is easily influenced in the observation switching process of the display screen and the sighting telescope, so that the external laser range finder needs to be improved.

Disclosure of Invention

In view of this, a sighting telescope and a laser ranging module thereof are provided, which do not need to switch the observation position and do not change the original white light aiming structure.

On one hand, the utility model provides a laser distance measuring module, which comprises a laser emitting component, a laser receiving component, a display screen, a first reflector and a second reflector, the laser emitting component is used for emitting laser to a target object, the laser receiving component is used for receiving the laser reflected by the target object, the display screen is used for displaying the distance information of the target object obtained according to the time of laser emission and receiving, the first reflector is positioned at the light-emitting side of the display screen and comprises a first reflecting surface, the second reflector is positioned at the light-emitting side of the first reflector and arranged at an angle with the first reflector, the second reflector comprises a second reflecting surface and a transmission surface which are opposite, and the transmission direction of the light emitted by the display screen after continuous reflection through the first reflecting surface and the second reflecting surface is consistent with the transmission direction of the visible light after the visible light passes through the transmission surface.

On the other hand, the utility model provides a sighting telescope, aim module and above-mentioned laser rangefinder module including white light, the white light aim the module include the lens cone, set up in the objective of lens cone front end and set up in the eyepiece of lens cone rear end, laser rangefinder module detachably connect in the front end of lens cone, the second mirror is located the front side of objective, visible light passes through propagation direction behind the transmission face of the second mirror with the optical axis direction of objective is unanimous.

In some embodiments, the first reflective surface and the second reflective surface are disposed facing each other and perpendicular to each other, and are each disposed obliquely with respect to a propagation direction of visible light after passing through the transmissive surface.

In some embodiments, the display device further comprises a battery, wherein the battery is electrically connected with the laser emitting assembly, the laser receiving assembly and the display screen.

In some embodiments, a collimating assembly is disposed in the light path between the display screen and the first mirror.

In some embodiments, the first reflective surface is formed on a side of the first reflective mirror facing the collimating assembly, and the first reflective surface has a reflective film formed thereon.

In some embodiments, a side of the second mirror facing the first mirror forms the second reflective surface, and the second reflective surface has a reflective film formed thereon.

In some embodiments, a side of the second mirror facing away from the first mirror forms the transmissive surface, and the transmissive surface has a light transmissive film formed thereon.

In some embodiments, the display device further comprises a housing, the housing includes a main body portion and a connecting portion extending downward from the main body portion, the laser emitting assembly, the laser receiving assembly, the display screen and the first reflector are all disposed inside the main body portion, and the second reflector is disposed outside the main body portion and located at a front side of the connecting portion.

In some embodiments, the connecting portion is a circular hoop with an opening, and both ends of the circular hoop are connected by fastening bolts.

Compared with the prior art, the utility model discloses superpose the image and the distance information of target object and show at eyepiece, the user need not to switch over the observation position when using, can track the target object in real time, improves the precision of shooting; in addition, the laser ranging module adopts an externally-hung mode, the structure and the function of the original white light aiming module cannot be influenced by the installation and the disassembly of the laser ranging module, the laser ranging module can be applied to the existing white light aiming tool, and the refitting cost is effectively reduced.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the scope of the present invention.

Fig. 2 is a schematic structural diagram of a laser ranging module of the sighting telescope shown in fig. 1.

FIG. 3 is another perspective view of the laser ranging module shown in FIG. 2.

Fig. 4 is a schematic diagram of an internal structure of the laser ranging module shown in fig. 2.

Fig. 5 is a schematic diagram of an optical path of the sighting telescope shown in fig. 1.

The reference numbers illustrate:

the white light aiming module 10, the lens barrel 12, the objective lens 14, the ocular lens 16, the adjusting hand wheel 18 and the focusing hand wheel 19;

the laser distance measuring device comprises a laser distance measuring module 30, a shell 32, a main body part 321, a connecting part 323, a fastening bolt 325, a power switch 327, a distance measuring switch 329, a laser emitting assembly 34, a laser receiving assembly 36, a display screen 38, a battery 39, a first reflecting mirror 40, a first reflecting surface 41, a second reflecting mirror 42, a second reflecting surface 421, a transmission surface 423 and a collimation assembly 44.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. One or more embodiments of the present invention are illustrated in the accompanying drawings to provide a more accurate and thorough understanding of the disclosed embodiments. It should be understood, however, that the present invention may be embodied in many different forms and is not limited to the embodiments described below.

The same or similar reference numerals in the drawings of the utility model correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

The utility model provides a sighting telescope is preferably applied to on the firearms auxiliary user and aims the target object, improves the precision of shooting. Fig. 1 shows a specific embodiment of the sighting telescope of the present invention, which includes a white light sighting module 10 and a laser distance measuring module 30 that are detachably connected.

The white light aiming module 10 includes a lens barrel 12, an objective lens 14 and an eyepiece 16 respectively disposed at two ends of the lens barrel 12, and a lens and/or a prism disposed between the objective lens 14 and the eyepiece 16. The objective lens 14 is located at the front end of the lens barrel 12, faces an external target object when in use, and is a component of the white light aiming module 10 for receiving an external light source; the eyepiece 16 is positioned at the tail end of the lens barrel 12 and faces the eyes of a user when in use, and the image amplified by the objective lens 14 is further amplified and transmitted to the eyes of the user; the lens and/or prism acts as an inverted image between the objective lens 14 and the eyepiece 16, allowing the user to view an upright, magnified virtual image of the object from the eyepiece 16. Preferably, the lens barrel 12 is provided with an adjusting handwheel 18, a focusing handwheel 19 and the like, wherein the adjusting handwheel 18 is used for ballistic adjustment of the white light aiming module 10, correction of windage yaw, advance of a moving target and the like; the focusing hand wheel 19 is used for adjusting the magnification of the white light aiming module 10, so that the imaging of the target object is clearer.

Referring to fig. 2 to 4, the laser distance measuring module 30 is mounted on the lens barrel 12 of the white light aiming module 10, and includes a housing 32, a laser emitting assembly 34, a laser receiving assembly 36, a display screen 38, a first reflector 40 and a second reflector 42.

The housing 32 includes a main body 321 and a connecting portion 323 extending downward from the rear end of the main body 321, wherein the connecting portion 323 is used for fixedly connecting the laser ranging module 30 and the white light aiming module 10. In the illustrated embodiment, the connection part 323 is a circular ring with an opening, and both ends of the circular ring are connected by fastening bolts 325. During installation, the fastening bolt 325 is loosened to increase the caliber of the circular hoop and further to be sleeved at the front end of the lens cone 12, then the fastening bolt 325 is screwed to decrease the caliber of the circular hoop, the circular hoop and the lens cone 12 form tight fit, and the laser ranging module 30 is fixed on the white light aiming module 10. Aim module 10 to the white light of difference, the specification (or the bore) of its lens cone 12 may have certain difference, and the length that fastening bolt 325 was twisted when the assembly can corresponding adjustment, makes the utility model discloses module 10 is aimed to the white light that laser rangefinder module 30 can the different specifications of adaptation, and the commonality is good, easy dismounting and assembly back stability are good.

An accommodating space is formed in the main body part 321 and used for installing the laser emitting assembly 34, the laser receiving assembly 36, the display screen 38 and the like, wherein the laser emitting assembly 34 and the laser receiving assembly 36 are arranged at the front end of the main body part 321 and face an external target; the display screen 38 is disposed near the rear end of the main body 321 for displaying the ranging result. The utility model discloses when laser rangefinder module 30 starts, laser emission subassembly 34 is towards external target object transmission laser beam, and laser receiving assembly 36 receives the laser beam that the target object reflected, can calculate the distance of target object and show through display screen 38 according to the time of laser beam transmission and receipt. Preferably, a battery 39 is further installed in the main body 321, and the battery 39 is used as a power source of the entire laser distance measuring assembly and is electrically connected with the laser emitting assembly 34, the laser receiving assembly 36, the display screen 38, and the like. The main body 321 is provided with a power switch 327 and a distance measuring switch 329 for controlling the operation of the laser distance measuring module 30.

The first reflecting mirror 40 is provided in the main body 321 and positioned on the light exit side (the front side in the illustrated direction) of the display panel 38, and adjusts the propagation direction of the light exiting from the display panel 38. The first mirror 40 is located at a distance above the objective lens 14 in the up-down direction; the first mirror 40 is located at a position a distance forward of the objective lens 14 in the front-rear direction. The surface of the first reflector 40 facing the display screen 38 is a first reflection surface 41, and the first reflection surface 41 is preferably coated with a reflective film to provide a high reflection effect for the light emitted from the display screen 38. As shown in fig. 5, the first reflecting mirror 40 is disposed obliquely with respect to the horizontal direction, and the angle of inclination of the first reflecting surface 41 thereof is preferably 45 °. The light exiting the display screen 38 travels forward, toward the first reflective surface 41 at an angle of incidence of 45 °; under the action of the first reflecting surface 41, the light rays are emitted downwards at an exit angle of 45 degrees, and the propagation direction of the light rays is turned by 90 degrees.

Preferably, the main body 321 is further provided with a collimating assembly 44, and the collimating assembly 44 is located on the light path between the display screen 38 and the first reflector 40, and adjusts the divergent light of the display screen 38 into a parallel light beam and emits the parallel light beam toward the first reflector 40. The collimator assembly 44 emits a parallel light beam above the objective lens 14, and the propagation direction is parallel to the optical axis direction of the objective lens 14.

The second reflecting mirror 42 is disposed outside the body 321, and reflects the light emitted downward from the first reflecting mirror 40 toward the objective lens 14. In the up-down direction, the second reflecting mirror 42 is located at a position a certain distance directly below the first reflecting mirror 40; the second mirror 42 is located at a position a certain distance directly in front of the objective lens 14 in the front-rear direction. The second reflecting mirror 42 is disposed to be inclined with respect to the horizontal direction in a direction opposite to the inclination direction of the first reflecting mirror 40, and both are disposed to be perpendicular to each other. The second reflector 42 includes a second reflective surface 421, and the second reflective surface 421 is preferably coated with a reflective film. As shown in fig. 5, the second reflecting surface 421 forms an angle of 90 degrees with the first reflecting surface 41 and 135 degrees with the axis of the objective lens 14. The light beam emitted from the first mirror 40 is emitted toward the second reflecting surface 421 at an incident angle of 45 °, and then emitted toward the objective lens 14 at an exit angle of 45 °, and the propagation direction thereof is again turned by 90 °.

After the light emitted from the display screen 38 is continuously reflected by the first reflecting surface 41 and the second reflecting surface 421, the propagation direction of the light is changed by 180 degrees, which is consistent with the optical axis direction of the objective lens 14, and the propagation path moves from above the objective lens 14 to be aligned with the objective lens 14, so that the light emitted from the display screen 38 can enter the objective lens 14 and form an image at the eyepiece 16. This makes the utility model discloses the light path of module 10 is aimed to the part of laser rangefinder module 30 between second mirror 42 and eyepiece 16 and white light is unanimous, and formation of image between them can be in eyepiece 16 department stack, and the user is when aiming module 10 through white light and observing external target object, not only can see the clear image of target object in eyepiece 16 department, can also see the distance information of the target object that laser rangefinder module 30 shows. When the utility model discloses when the gun sight was applied to on the firearms, the user, like soldier, hunter etc. can adjust the shooting angle, revise the hit point according to the distance information of target object, improve the precision of shooting.

Preferably, the second reflecting mirror 42 further includes a transmission surface 423 opposite to the second reflecting surface 421, the transmission surface 423 faces an external object, and as an incident surface of the object light, a propagation direction of the visible light passing through the transmission surface 423 is consistent with the optical axis direction of the objective lens 14. Preferably, the transmission surface 423 is formed with a transparent film, which effectively improves the efficiency of the target light transmitting through the second reflecting mirror 42, so that the arrangement of the second reflecting mirror 42 does not substantially affect the imaging of the white light collimation module 10.

The utility model discloses the gun sight is when using, if only need observe the image of target object, can only use the white light to aim at module 10 formation of image. At this time, the white sighting module 10 may not be equipped with the laser distance measuring module 30 to reduce the overall weight of the sighting telescope, or the laser distance measuring module 30 may be equipped without starting the laser distance measuring module 30. When the distance information of the target object is needed, the power switch 327 and the distance switch 329 are pressed to start the laser distance measuring module 30, and the distance information is obtained through laser distance measurement and is displayed on the eyepiece 16 in an overlapping mode. The utility model displays the image and distance information of the target object at the eyepiece 16 in a superposition way, so that the user can track the target object in real time without switching the observation position when using the device, thereby improving the shooting accuracy; the laser ranging module 30 adopts a plug-in mode, the structure and the function of the original white light aiming module 10 cannot be influenced by the installation and the disassembly of the laser ranging module, and the laser ranging module can be applied to the existing white light aiming device, so that the refitting cost is effectively reduced.

It should be noted that the present invention is not limited to the above embodiments, and other changes can be made by those skilled in the art according to the spirit of the present invention, and all the changes made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. The laser ranging module is characterized by comprising a laser emitting assembly (34), a laser receiving assembly (36), a display screen (38), a first reflecting mirror (40) and a second reflecting mirror (42), wherein the laser emitting assembly (34) is used for emitting laser to a target object, the laser receiving assembly (36) is used for receiving the laser reflected by the target object, the display screen (38) is used for displaying distance information of the target object obtained according to the time of laser emission and laser receiving, the first reflecting mirror (40) is positioned on the light emitting side of the display screen (38) and comprises a first reflecting surface (41), the second reflecting mirror (42) is positioned on the light emitting side of the first reflecting mirror (40) and is arranged at an angle with the first reflecting mirror (40), and the second reflecting mirror (42) comprises a second reflecting surface (421) and a transmission surface (423) which are opposite to each other, the propagation direction of the light emitted from the display screen (38) after continuous reflection through the first reflecting surface (41) and the second reflecting surface (421) is consistent with the propagation direction of the visible light after passing through the transmission surface (423).

2. The laser ranging module according to claim 1, characterized in that the first reflecting surface (41) and the second reflecting surface (421) are arranged perpendicular to each other and are both arranged obliquely with respect to the propagation direction of visible light after passing through the transmitting surface (423).

3. The laser ranging module according to claim 1, further comprising a battery (39), wherein the battery (39) is electrically connected to the laser emitting assembly (34), the laser receiving assembly (36) and the display screen (38).

4. The laser ranging module according to claim 1, characterized in that a collimating assembly (44) is arranged in the light path between the display screen (38) and the first mirror (40).

5. The laser ranging module according to claim 4, wherein a side of the first reflector (40) facing the collimating assembly (44) forms the first reflecting surface (41), and a reflective film is formed on the first reflecting surface (41).

6. The laser distance measuring module of claim 1, wherein a side of the second reflector (42) facing the first reflector (40) forms the second reflecting surface (421), and a reflective film is formed on the second reflecting surface (421).

7. The laser range finding module of claim 6, wherein the side of the second mirror (42) facing away from the first mirror (40) forms the transmission surface (423), and the transmission surface (423) is formed with a light-transmitting film.

8. The laser ranging module according to any one of claims 1 to 7, further comprising a housing (32), wherein the housing (32) comprises a main body portion (321) and a connecting portion (323) extending downward from the main body portion (321), the laser emitting assembly (34), the laser receiving assembly (36), the display screen (38) and the first reflecting mirror (40) are all disposed inside the main body portion (321), and the second reflecting mirror (42) is disposed outside the main body portion (321) and located at a front side of the connecting portion (323).

9. The laser ranging module according to claim 8, characterized in that the connecting part (323) is a circular hoop with an opening, and both ends of the circular hoop are connected by a fastening bolt (325).

10. A sighting telescope, comprising a white light aiming module (10) and the laser distance measuring module (30) as claimed in any one of claims 1-9, wherein the white light aiming module (10) comprises a lens barrel (12), an objective lens (14) disposed at the front end of the lens barrel (12), and an eyepiece (16) disposed at the rear end of the lens barrel (12), the laser distance measuring module (30) is detachably connected to the front end of the lens barrel (12), the second reflector (42) is disposed at the front side of the objective lens (14), and the propagation direction of visible light passing through the transmission surface (423) of the second reflector (42) is consistent with the optical axis direction of the objective lens (14).