WO2022193243A1

WO2022193243A1 - Shooting equipment, and imaging and range-finding device therefor

Info

Publication number: WO2022193243A1
Application number: PCT/CN2021/081597
Authority: WO
Inventors: 付陆欣; 邢志成
Original assignee: 深圳市瑞尔幸电子有限公司
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2022-09-22

Abstract

An imaging and range-finding device (100) and shooting equipment (200). The imaging and range-finding device (100) comprises a housing (1) and a main body (10) movably mounting in the housing (1); the main body (10) comprises a reference center assembly (103); the reference center assembly (103) comprises a first assembly (3) and an imaging and range-finding system (101) mounted in the first assembly (3); the imaging and range-finding system (101) comprises a laser emitting unit (5) forming a laser emitting light path, a laser receiving unit (6) forming a laser receiving light path, and an imaging unit (7) forming a natural light observation light path; the axes of the laser emitting light path, the laser receiving light path, and the natural light observation optical path are coaxial; the center of a first reticle (8) of the imaging unit (7) is an optical center point.

Description

Shooting equipment and imaging ranging device

technical field

The invention relates to the field of optoelectronic technology, in particular to a shooting device and an imaging ranging device.

Background technique

The imaging ranging device is used as an indispensable auxiliary tool for shooting equipment such as bows, guns, etc., and can effectively help users improve the accuracy of shooting. A common imaging ranging device includes a housing, an imaging ranging system installed in the housing, and an eyepiece assembly connected to an end of the housing. When adjusting the position of the imaging ranging system relative to the housing, it often results in the aiming center being offset from the center of the eyepiece assembly.

technical problem

In view of this, an imaging ranging device capable of solving or optimizing the above-mentioned problems and a shooting device having the imaging ranging device are provided.

technical solutions

The present invention provides an imaging distance measuring device, comprising a housing and a main body movably installed in the housing, the main body comprising a reference center component, the reference center component comprising a first component and a body mounted on the first component An imaging ranging system in an assembly, the imaging ranging system includes a laser emitting unit forming a laser emitting optical path, a laser receiving unit forming a laser receiving optical path, and an imaging unit forming a natural light observation optical path, the laser emitting optical path, the The axes of the laser receiving optical path and the natural light observation optical path are coaxial, and the center of the first reticle of the imaging unit is the optical center point.

In some embodiments, the laser emitting unit includes a dichroic mirror for reflecting laser light and allowing natural light to pass, and the imaging unit sequentially includes an objective lens, the dichroic mirror, a focusing mirror for converging natural light, and the first reticle behind the focusing mirror.

In some embodiments, the objective lens of the imaging unit, the first reticle, and the laser receiving mirror of the laser receiving unit are all arranged in the first assembly perpendicular to the axis of the first assembly .

In some embodiments, the laser receiver lens and the objective lens are integrally formed.

In some embodiments, the main body further includes a zoom system including a second component and an eyepiece component attached to the second component, the second component linkagely connected to the first component a component.

In some embodiments, the first assembly is provided with a first body, a first ball head disposed at one axial end of the first body, and a first ball disposed at the other axial end of the first body The first ball joint is rotatably engaged in the first end of the housing.

In some embodiments, a first stop ring is mounted inside the first end to prevent the first assembly from disengaging the housing, the first end and the inside of the first stop ring engage the first end The outside of a ball head.

In some embodiments, the second assembly includes a second body, a second ball sleeve sleeved at one axial end of the second body, and a second ball sleeve sleeved at the other axial end of the second body A third ball joint rotatably engaged in the engagement portion, the third ball joint rotatably engaged in a second end of the housing opposite the first end.

In some embodiments, a second stop ring is mounted at the inner side of the engaging portion to prevent the second component from disengaging from the first component, the engaging portion and the inner side of the second stop ring engage the first component The outside of the two ball head.

In some embodiments, an elastic member is disposed on the inner side of the second ball head, and two ends of the elastic member abut against the radial protrusion at the axial end of the second component and the second ball head respectively The inner side of the second ball head is press-fitted on the inner side of the joint part and the second stop ring.

In some embodiments, the third ball head is disposed inside the second end of the housing adjacent to the eyepiece assembly, an engagement member is disposed in the second end, and the third ball head is movably abuts on the inner side of the joint.

In some embodiments, a third stop ring is mounted on the inner side of the engaging member to prevent the second component from disengaging from the housing, the engaging member and the inner side of the third stop ring engage the third ball head.

In some embodiments, the second assembly is provided with a second reticle adjacent to the axial end of the eyepiece assembly for displaying ranging values and other related information. The present invention also provides a shooting device, comprising a shooting device and any of the above imaging ranging devices installed on the shooting device.

beneficial effect

Compared with the prior art, the imaging ranging device provided by the present invention can keep the aiming center of the imaging ranging system at the center of the eyepiece assembly, and the operation is simple and the operation time is greatly saved.

Description of drawings

FIG. 1 is a perspective combined view of an embodiment of the aiming device of the present invention.

FIG. 2 is an exploded view of the aiming device shown in FIG. 1 .

FIG. 3 is an axial cross-sectional view of the sighting device shown in FIG. 1 .

FIG. 4 is an exploded view of the main body of the sighting device shown in FIG. 1 .

5A to 5C are schematic diagrams of the optical path shown in FIG. 1 through the main body shown in FIG. 4 in different states.

FIG. 6 is a schematic diagram of a shooting device according to an embodiment of the present invention.

Reference numerals: 100-imaging ranging device; 1-housing; 10-main body; 101-imaging ranging system; 11-mounting seat; 12-fixing part; 13-longitudinal moving part; 14-focus adjustment knob; 15 - first end; 16 - second end; 103 - reference center assembly; 102 - zoom system; 2 - eyepiece assembly; 3 - first assembly; 30 - first body; 31 - first cavity; 32 - second Cavity; 33-first ball joint; 34-first stop ring; 35-joint part; 36-first installation part; 37-second installation part; 4-second assembly; 40-second body; 41- The third cavity; 42- the second ball joint; 43- the second stop ring; 44- elastic piece; 45- clearance; 46- the third ball joint; Protrusion; 5-laser emitting unit; 51-laser transmitter; 52-connecting barrel; 53-laser mirror; 54-dichroic mirror; 55-objective lens; 6-laser receiving unit; 61-laser receiver; 62- Laser receiver; 7-imaging unit; 71-focusing mirror; 8-first reticle; 9-second reticle; 90-mounting piece; 200-shooting equipment; 201-shooting device; 202-target.

Embodiments of the present invention

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the related drawings. One or more embodiments of the present invention are exemplarily presented in the accompanying drawings, so as to make the understanding of the technical solutions disclosed in the present invention more accurate and thorough. 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.

Referring to FIG. 1 and FIG. 2 at the same time, an imaging ranging device 100 according to an embodiment of the present invention includes a housing 1 and a main body 10 installed in the housing 1 . The imaging ranging apparatus 100 can be used alone, or can be attached to other devices for use in combination with other devices. In order to more clearly show the structure of the various components of the imaging distance measuring device 100 and the positional relationship between each other, some elements are omitted in the drawings shown herein.

Referring to FIGS. 2 to 5C at the same time, the center of the first reticle 8 of the reference center assembly 103 is the only center of the entire device, and is installed at the rear end of the first body 30 . The objective lens 55 is installed on the front end of the first body 30 , and the focusing lens 71 is installed between the objective lens 55 and the first reticle 8 . These three parts are generated as the sole center of the device.

The laser transmitter 51 emits a laser beam of a specific wavelength band, which is guided by the laser mirror 53 and then projected to the dichroic mirror 54. The coating wavelength of the dichroic mirror 54 is the same as that of the laser transmitter 51. The laser light is transmitted to the objective lens 55 , the objective lens 55 collects the transmitted laser light and transmits it to the object, and the projected laser light is directed to the center of the first reticle 8 .

After the laser is projected to the object, the laser is converged by the laser receiving mirror 62 and then projected to the laser receiver 61 to form the laser receiving unit 6 . The laser receiving unit 6 is mounted on the first body 30 , and the center of its laser receiving optical path coincides with the center of the first reticle 8 . At this time, the observation optical path, the laser emission optical path, and the laser receiving optical path are coaxially coaxial.

The function of the zoom system 102 is to adjust the magnification of the image projected by the reference center assembly 103 . The front end of the zoom system 102 is installed with the second ball head 42, the rear end is installed with the third ball head 46, and the second reticle 9 and the mounting member 90 for the second reticle are installed at the same time, wherein the second The function of the reticle 9 is mainly to display the distance measurement value and other related information. The above content will be described in detail below.

The housing 1 is used to assemble and integrate other components of the imaging ranging device 100 into a whole. The housing 1 is provided as a hollow body with two axial ends open. The two axial ends of the housing 1 are respectively provided as a first end 15 and a second end 16 serving as a connecting portion. Preferably, the inner sides of the first end 15 and the second end 16 are both provided with internal threads.

The body 10 is movably engaged inside the housing 1 . Specifically, the body 10 is movably positioned within the housing 1 by engaging inside the first end 15 and the second end 16 . The main body 10 includes a reference center assembly 103 and a zoom system 102 . The reference center assembly 103 includes a first assembly 3 and an imaging ranging system 101 installed in the first assembly 3 . The zoom system 102 includes a second assembly 4 and an eyepiece assembly 2 attached to the second assembly 4 . The first component 3 and the second component 4 are linked together, that is to say, when the first component 3 rotates relative to the housing 1, the second component 4 can correspond with the movement of the first component 3. exercise. In this embodiment, the first assembly 3 and the second assembly 4 are located between the first end 15 and the second end 16 of the housing 1 . This linkage between the first component 3 and the second component 4 makes it possible to adjust the position of the first component 3 relative to the housing 1, the second component 4 can be adjusted in the opposite direction, so that by connecting to the second component The aiming center point observed by the eyepiece assembly 2 of the assembly 4 is located in the center of the eyepiece assembly 2, and the deviation of the aiming center point will not occur.

3 and 4 simultaneously, the first assembly 3 is movably engaged inside the first end 15 of the housing 1 . In this embodiment, the first component 3 is roughly in the shape of a hollow cylinder with two axial ends open. The first assembly 3 is provided with a first body 30 , a first ball head 33 provided at one axial end of the first body 30 , and a joint portion 35 provided at the other axial end of the first body 30 . The first ball head 33 abuts on the inside of the first end 15 . The inner side of the first end 15 can match the shape of the first ball head 33 , so that the first ball head 33 can rotate relative to the first end 15 . In this embodiment, the outer contour of the first ball head 33 is set as a convex surface, and the inner side of the first end 15 is set as a corresponding concave surface. After the first assembly 3 with the first ball head 33 is loaded into the housing 1 , a first stop ring 34 with an external thread abuts on the concave surface of the first end 15 to prevent the first assembly 3 from disengaging from the housing 1 . The first stop ring 34 is disposed to correspond to the ball head surface of the first ball head 33 adjacent to the concave surface of the first end 15 that engages the first ball head 33 , the concave surface of the first end 15 and the first stop ring 34 . The ball head surface engages the first ball head 33 .

After the first component 3 is installed in the housing 1 , the first stop ring 34 prevents the first component 3 from moving in the axial direction of the housing 1 , and the first ball head 33 can be placed on the first stop ring 34 . And the inner side of the first end 15 moves around the center point of the first ball head 33 . In this embodiment, the casing 1 is provided with a transverse longitudinal moving member 13 and a transverse moving member (not shown), which respectively drive the first assembly 3 to move relative to the casing 1 in the longitudinal direction and the transverse direction. Preferably, the longitudinal moving member 13 and the lateral moving member are respectively abutted on the first body 30 .

Referring to FIGS. 2 to 5C at the same time, the imaging ranging system 101 is arranged in the first body 30 . The imaging ranging system 101 includes a laser emitting unit 5 , a laser receiving unit 6 and an imaging unit 7 . The laser emitting unit 5 is used to emit the required laser beam and transmit the laser beam to the target 202 . The laser receiving unit 6 is used for receiving the laser beam reflected from the target 202 . The imaging unit 7 is used for imaging the natural light observation optical path. In the description of orientation herein, the direction close to/towards the target 202 is defined as the front, and the direction away from the target 202 is defined as the rear.

The laser emitting unit 5 includes a laser emitter 51 for emitting a laser beam, a laser mirror 53 for reflecting the collimated laser beam, and a dichroic mirror 54 for reflecting the laser light and allowing natural light to pass therethrough. In this embodiment, the laser mirror 53 and the dichroic mirror 54 are parallel to each other. The laser transmitter 51 emits laser light, and the collimated laser light reaches the laser mirror 53 , is then reflected by the laser mirror 53 , reaches the dichroic mirror 54 , and is reflected again to reach the target 202 .

The laser receiving unit 6 includes a laser receiving mirror 62 for condensing the laser beam folded back from the target 202, and a laser receiver 61 for receiving the condensed laser beam. In this embodiment, the laser receiver 61 converts the received optical signal into an electrical signal. The laser light emitted by the laser emitting unit 6 is reflected by the target 202 , converged by the laser receiving mirror 62 and then reaches the laser receiver 61 .

The imaging unit 7 may be a white light imaging unit or a digital imaging unit. The imaging unit 7 includes an objective lens 55 , a dichroic mirror 54 that allows natural light to pass through and reflects laser light, a focusing mirror 71 for converging imaging, and a first reticle 8 located behind the focusing mirror 71 . The dichroic mirror 54 is arranged between the objective lens 55 and the focusing mirror 71 . In this embodiment, the focusing mirror 71 adjusts the focal length through a focal length focusing knob 14 . The natural light passes through the objective lens 55 and the dichroic mirror 54 , reaches the focusing mirror 71 for imaging, and then reaches the first reticle 8 of the reference center assembly 103 .

In this embodiment, the objective lens 55 , the first reticle 8 and the laser receiving mirror 62 are all arranged perpendicular to the axis of the first component 3 . Preferably, the laser receiving mirror 62 is arranged around the objective lens 55 , that is to say, the laser receiving mirror 62 is juxtaposed on one side of the objective lens 55 , so that the laser receiving mirror 62 and the objective lens 55 lie on a plane perpendicular to the axis of the first component 3 . Optionally, the laser receiving mirror 62 and the objective lens 55 can also be replaced by one lens, in other words, when the one lens is in use, a part is used as the laser receiving lens, and the other part is used as the objective lens. Also optionally, the laser receiver mirror 62 and the objective lens 55 are located on different planes perpendicular to the axis of the first assembly 3 . These arrangements of the laser receiving mirror 62 and the objective lens 55 cooperate with the first reticle 8 , so that the aiming center and the ranging center of the imaging ranging system 101 coincide to a point, and this point is the center of the first reticle 8 point.

In this embodiment, the interior of the first body 30 of the first component 3 is divided into a first cavity 31 and a second cavity 32 . The laser emitting unit 5 and the imaging unit 7 are arranged in the first cavity 31 , and the laser receiving unit 6 is arranged in the second cavity 32 . Preferably, the lower end of the first cavity 31 away from the first ball head 33 is provided with a first mounting portion 36 , and the laser generator 51 is adjustably mounted at the first mounting portion 36 through a connecting cylinder 52 . An end of the second cavity 32 facing away from the first ball head 33 is provided with a second mounting portion 37 , and the laser receiver 61 is adjustably mounted on the second mounting portion 37 . The adjustments described here are made during assembly.

The imaging unit 7 is arranged in the second cavity 32 adjacent to the joint 35 . That is, the first reticle 8 is arranged adjacent to the joint portion 35 . The second component 4 is engaged at this engaging portion 35 . When the first component 3 drives the imaging ranging system 101 accommodated therein to move together, the second component 4 moves with the first component 3 under the action of the joint portion 35 , thereby making the center of the first reticle 8 Stay centered through eyepiece assembly 2 for easy viewing by the user.

In this embodiment, the second component 4 is roughly in the shape of a hollow cylinder with two axial ends open. The second assembly 4 includes a second body 40 , a second ball head 42 sleeved at one axial end of the second body 40 and a third ball head 46 sleeved at the other axial end of the second body 40 . The second ball head 42 abuts on the inner side of the joint portion 35 . The inner side of the engaging portion 35 can match the outer shape of the second ball head 42 , so that the second ball head can rotate relative to the engaging portion 35 . In this embodiment, the outer contour of the second ball head 42 is set as a convex surface, and the inner side of the engaging portion 35 is set as a corresponding concave surface. After connecting the second assembly 4 with the second ball head 42 to the first assembly 3, a second stop ring 43 with an external thread abuts on the concave surface of the engaging portion 35 to prevent the second assembly 4 from disengaging from the first assembly 3. The second stop ring 43 is disposed to correspond to the spherical head surface of the second ball head 42 adjacent to the concave surface of the engaging portion 35 engaging the second ball head 42 , the concave surface of the engaging portion 35 and the spherical head surface of the second stop ring 43 The second ball head 42 is engaged.

In this embodiment, an elastic member 44 is arranged on the inner side of the second ball head 42 . Both ends of the elastic member 44 abut against the radial protrusion 49 at the axial end of the second component 4 and the inner side of the second ball head 42 , so as to press the second ball head 42 to the joint portion 35 and the second ball head 42 reliably. The inner side of the two stop rings 43 .

The third ball head 46 is disposed inside the second end 16 of the housing 1 adjacent to the eyepiece assembly 2 . An engagement member 47 is arranged within the second end 16 . The third ball head 46 is movably abutted on the inner side of the joint piece 47 . The inner side of the engaging piece 47 can match the shape of the third ball head 46 , so that the third ball head 46 can rotate relative to the engaging piece 47 . In this embodiment, the outer contour of the third ball head 46 is set as a convex surface, and the inner side of the engaging member 47 is set as a corresponding concave surface. After connecting the second assembly 4 without the third ball head 46 to the first assembly 3, connect the engaging piece 47 to the inside of the second end 16, and then install the third ball head 46 on the second assembly 4 and Adjacent to the engaging piece 47 , finally a third stop ring 48 provided with an external thread abuts on the concave surface of the engaging piece 47 to prevent the second component 4 from being detached from the housing 1 . The third stop ring 48 is disposed to correspond to the spherical head surface of the third ball head 46 adjacent to the concave surface of the joint piece 47 engaging the third ball head 46 , the concave surface of the joint piece 47 and the spherical head surface of the third stop ring 48 The third ball head 46 is engaged. Preferably, the outer side of the second component 4 can achieve the axial limitation of its various components through abutment between the corresponding section and the step between the adjacent sections. In this embodiment, the outer diameters of the first ball head 33 , the second ball head 42 and the third ball head 46 are successively reduced, and the respective axial heights are also successively reduced.

In this embodiment, the second assembly 4 is further provided with a second reticle 9 adjacent to the axial end of the third ball head 46 . The second reticle 9 can display ranging values and other related information. It is conceivable that the center of the second reticle 9 can also be used as the center of the aiming range. In this embodiment, the second reticle 9 is attached at the axial end of the second assembly 4 by means of a mount 90 . In addition, the mounting base 14 is provided with a connecting groove 140, and the connecting groove 140 is engaged with the corresponding part of the imaging device so as to install the imaging ranging device 100 on the shooting device.

As shown in FIG. 6 , the present invention further provides a shooting device 200 , including a shooting device 201 and the above-mentioned imaging ranging device 100 mounted on the shooting device 201 .

Referring to FIGS. 2 to 5C at the same time, when using the shooting device 200 including the imaging ranging device 100, when the user observes and adjusts the aiming ranging center point, due to the first ball head 33 and its corresponding configuration, the first component 3 Under the action of the longitudinal moving member 13 and the lateral moving member, it moves in any direction relative to the casing 1, that is, the center point of the aiming distance measurement moves relative to the casing 1, up and down, left and right, so as to correct the trajectory of the shooting device 201. Cooperate. At this time, the second ball head 42 and the third ball head 46 and their corresponding configurations cooperate with the first ball head 33 to make corresponding angle adjustment (reverse adjustment), so as to realize the movement of the second assembly 4 with the first assembly 3 Corresponding movement is performed, so that the center point of aiming and ranging of the reference center assembly is located at the center position of the eyepiece assembly 2 when observed at the eyepiece assembly 2 .

The above descriptions are only preferred specific embodiments of the present invention, and the protection scope of the present invention is not limited to the above-listed embodiments. Any person skilled in the art who is familiar with the technical field of the present invention can obviously obtain the technical Simple changes or equivalent replacements of the solutions all fall within the protection scope of the present invention.

Claims

An imaging distance measuring device includes a casing and a main body movably installed in the casing, the main body includes a reference center assembly, the reference center assembly includes a first assembly and a main body installed in the first assembly An imaging ranging system, the imaging ranging system includes a laser emitting unit forming a laser emitting optical path, a laser receiving unit forming a laser receiving optical path, and an imaging unit forming a natural light observation optical path, characterized in that the laser emitting optical path, the The axes of the laser receiving optical path and the natural light observation optical path are coaxial, and the center of the first reticle of the imaging unit is the optical center point.
The imaging ranging device according to claim 1, wherein the laser emitting unit includes a dichroic mirror for reflecting laser light and allowing natural light to pass through, and the imaging unit sequentially includes an objective lens, the dichroic mirror , a focusing mirror for converging natural light, and the first reticle located behind the focusing mirror.
The imaging ranging device according to claim 2, wherein the objective lens of the imaging unit, the first reticle, and the laser receiving mirror of the laser receiving unit are all perpendicular to the first component. The axis is arranged in the first assembly.
The imaging ranging device according to claim 3, wherein the laser receiving mirror is juxtaposed on one side of the objective lens.
The imaging ranging device according to claim 3, wherein the laser receiving mirror and the objective lens are integrated.
The imaging ranging device according to claim 1, wherein the main body further comprises a variable magnification system, the variable magnification system comprises a second component and an eyepiece component attached to the second component, the The second assembly is linkedly connected to the first assembly.
The imaging distance measuring device according to claim 6, wherein the first assembly is provided with a first body, a first ball head provided at an axial end of the first body, and a first ball head provided at an axial end of the first body. An engagement portion at the other axial end of the first body with the first ball rotatably engaged within the first end of the housing.
8. The imaging distance measuring device according to claim 7, wherein a first stop ring is installed inside the first end to prevent the first assembly from being separated from the housing, the first end and the first stop The inner side of a stop ring engages the outer side of the first ball joint.
The imaging distance measuring device according to claim 7, wherein the second component comprises a second body, a second ball head sleeved at an axial end of the second body, and a second ball sleeve sleeved at an axial end of the second body. A third ball joint at the other axial end of the second body, the second ball joint is rotatably engaged in the joint portion, and the third ball joint is rotatably engaged with the housing and the inside the second end opposite the first end.
9. The imaging distance measuring device according to claim 9, wherein a second stop ring is installed at the inner side of the engaging portion to prevent the second assembly from disengaging from the first assembly, and the engaging portion is connected to the first assembly. The inner side of the two stop rings engages the outer side of the second ball joint.
The imaging distance measuring device according to claim 9, wherein an elastic member is arranged on the inner side of the second ball head, and two ends of the elastic member respectively abut against the axial ends of the second component. The radial protrusion and the inner side of the second ball head press the second ball head on the joint part and the inner side of the second stop ring.
The imaging distance measuring device according to claim 9, wherein the third ball head is disposed inside the second end of the housing adjacent to the eyepiece assembly, and an engaging member is disposed in the second end , the third ball head is movably abutted on the inner side of the joint.
The imaging distance measuring device according to claim 12, wherein a third stop ring is installed on the inner side of the engaging member to prevent the second component from disengaging from the housing, the engaging member and the third The inner side of the stop ring engages the third ball joint.
The imaging distance measuring device according to claim 6, wherein the second component is provided with a second reticle at the axial end of the eyepiece component adjacent to the eyepiece component, for displaying distance measurement values and other related information.
A shooting device includes a shooting device and an imaging ranging device mounted on the shooting device, wherein the imaging ranging device is the imaging ranging device according to any one of claims 1 to 14.