CN117706758A

CN117706758A - Aiming device

Info

Publication number: CN117706758A
Application number: CN202410159970.XA
Authority: CN
Inventors: 黄泽瑜; 傅培芬
Original assignee: Quanzhou Wurong Sports Equipment Co ltd
Current assignee: Quanzhou Wurong Sports Equipment Co ltd
Priority date: 2024-02-05
Filing date: 2024-02-05
Publication date: 2024-03-15

Abstract

The invention discloses the technical field of optical elements, and in particular relates to a sighting device, which comprises a main lens barrel, wherein two ends of the main lens barrel are respectively connected with an object lens barrel and a sighting lens barrel, the object lens barrel and the sighting lens barrel are connected with the main lens barrel through a connecting mechanism, an objective lens group is arranged in the object lens barrel, the objective lens group comprises a first reflecting surface, a downward concave reflecting surface and a second reflecting surface, the first reflecting surface is used for internally reflecting light rays entering the objective lens group from the left side to the downward concave reflecting surface to form a first reflecting line, the downward concave reflecting surface is used for carrying out tertiary reflection on the first reflecting line to form a second reflecting line, the first reflecting line and the second reflecting line are provided with intersection points, the first reflecting line and the second reflecting line are symmetrical, and the second reflecting surface reflects the second reflecting line to form output light rays. The technical problems of poor definition and more light interference caused by reflection of the inner wall of the objective lens barrel are solved.

Description

Aiming device

Technical Field

The invention relates to the technical field of optical elements, in particular to a sight.

Background

In the conventional sighting telescope, after the objective lens receives light, part of the incident light (also called stray light) reflects light on the inner wall of a lens barrel (hereinafter referred to as a lens barrel) provided with the objective lens to form light interference, so that the definition of the sighting telescope is deteriorated, and the sighting telescope is fogged.

In order to effectively improve definition and reduce interference, the applicant has carried out a corresponding design for the objective lens to achieve control of the incoming light.

Disclosure of Invention

The invention aims to provide a sighting device which solves the technical problems of poor definition and more light interference caused by reflection of the inner wall of the traditional object lens barrel.

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

the utility model provides a sight, includes main lens cone, main lens cone both ends are connected with thing lens cone and eye lens cone respectively, thing lens cone and eye lens cone are connected with main lens cone through coupling mechanism, be provided with objective in the thing lens cone, be provided with main lens group in the main lens cone, be provided with eyepiece group in the eye lens cone, objective includes first reflecting surface, concave reflection group face and second reflecting surface, and first reflecting surface is used for the light that left side entered objective to concave reflection group face internal reflection down, forms first reflection line, and concave reflection group face is used for carrying out the cubic reflection with first reflection line and then jets out, forms the second reflection line, first reflection line has the intersection point with the second reflection line, and first reflection line and second reflection line symmetry, second reflecting surface forms output light after reflecting the second reflection line.

Preferably, the concave reflecting group surface comprises a left reflecting surface, a top reflecting surface and a right reflecting surface, and the left reflecting surface and the right reflecting surface are perpendicular to the top reflecting surface.

Preferably, the object lens barrel is provided with a rotating structure for realizing the adjustment and rotation of the concave reflecting surface.

Preferably, the coupling mechanism includes two sleeve pipes fixed mutually with eye tube and objective tube respectively, and two sleeve pipes peg graft respectively in the both ends of eye tube, coupling mechanism still includes two card strips, and the card strip is the arc form, card strip sets up to the inclined plane form and handles through the chamfer towards main lens tube link one side, sleeve pipe one end is provided with the locating part, and the locating part is including being fixed in the terminal spacing piece of sleeve pipe, and the spacing piece is less than main lens tube inner wall diameter and spacing piece and the main lens tube between the clearance be greater than the thickness of card strip.

Preferably, the main lens barrel inner wall fixedly connected with supports the ring, support the ring and all offered spacing recess with spacing piece opposite one side, fixedly connected with supports the compression spring between the spacing recess.

Preferably, the middle parts of the two clamping strips are fixedly connected with a supporting rod, the supporting rod is in an inverted convex shape and is in sliding connection with a through hole formed in the main lens cone, and an extension spring is further arranged between the bottom of the top end of the supporting rod and the surface of the main lens cone and is sleeved on the surface of the supporting rod.

Preferably, the outer wall surfaces of the two ends of the main lens barrel are provided with threads, the thread is in threaded connection with a screw sleeve, one end of the screw sleeve is connected to the surface of the sleeve in a sliding manner, and the length of the sleeve exposed out of the main lens barrel is larger than the width of the screw sleeve.

Preferably, one end of the sleeve is thickened and the thickened end is matched with the inner wall of the main lens barrel, wherein a section of surface of the sleeve exposed out of the main lens barrel is gradually thickened towards one end of the main lens barrel.

Compared with the prior art, the invention has the beneficial effects that:

according to the scheme, through the arrangement of the objective lens group, the entering light rays can be output again after being reflected for a circle by utilizing the mode of repeated reflection, the definition can be effectively improved by the mode, the interference of the light rays is effectively reduced, better condensation can be realized, and the light rays with larger inclination can be removed, so that the imaging quality is greatly improved.

For the arrangement of the left reflecting surface, the top reflecting surface and the right reflecting surface, the vertical arrangement in this embodiment is a preferred mode, but other angles are also possible, so long as the incoming light can be reflected and then enter the second reflecting surface to form the outgoing light, and of course, in order to achieve better aiming, the outgoing light should pass through the main lens group as much as possible and then pass through the eyepiece group. Specific angles and the like can be adjusted according to actual needs, and the first reflecting surface and the second reflecting surface can be matched for adjustment.

In addition, some sighting telescope has larger volume, for example, the length of the sighting telescope is more than 20 cm, and the sighting telescope ocular and the objective lens reticle are equally divided into different positions, but the lens barrel is integrally formed, so that the sighting telescope can be installed only by strictly adjusting parameters during assembly, the installation efficiency is reduced, and the sighting telescope has large volume and is inconvenient to carry. This sight passes through coupling mechanism's setting, through special coupling mechanism and stop device for the positional relationship of each part is more accurate, has improved assembly efficiency, compares in the great tradition gun sight of volume, and this sight's adoption dismouting formula structural design can effectively improve assembly efficiency and portable, through the locating part, support the synergism of pressing parts such as spring and support pole, has guaranteed that the camera lens remains in the exact position throughout in the motion, has improved the accuracy of observing. Through coupling mechanism's setting, this sight simple to operate is rapid, does not delay the use in the scene, and the portability is high, and maneuverability is high, and the practicality is stronger.

Drawings

Fig. 1 is a schematic structural diagram of the objective lens assembly, the main lens assembly and the eyepiece lens assembly according to the present invention.

Fig. 2 is a schematic perspective view of the sight of the present invention.

Fig. 3 is a schematic view of the whole structure of the sight of the present invention.

Fig. 4 is a schematic sectional view of a part of the connection mechanism of the sight according to the present invention.

Fig. 5 is a schematic sectional view of the attachment mechanism of the sight according to the present invention.

Fig. 6 is an enlarged view at a in fig. 5.

Reference numerals:

1. a main barrel; 11. a main lens group; 12. a first plano-convex lens; 13. a second plano-convex lens; 14. a plano-concave lens; 15. a common concave lens; 2. an object lens barrel; 21. an objective lens group; 211. a first reflecting surface; 212. a second reflecting surface; 213. a concave reflecting group surface; 214. a first reflection line; 215. a second reflection line; 216. outputting light; 217. a left reflecting surface; 218. a top reflective surface; 219. a right reflecting surface; 22. a rotating structure; 23. an adjustment structure; 3. a eyepiece barrel; 31. an eyepiece group; 32. a meniscus lens; 33. a common convex lens; 4. a connecting mechanism; 41. a support ring; 42. a limiting piece; 43. a screw sleeve; 44. a sleeve; 45. clamping strips; 46. a tension spring; 47. a supporting rod; 48. pressing the spring; 421. a limiting piece; 422. and a limit groove.

Detailed Description

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

As shown in fig. 1-6, the present invention provides a sight, which comprises a main lens barrel 1, an objective lens barrel 2 and a eyepiece barrel 3, wherein two ends of the main lens barrel 1 are respectively connected with the objective lens barrel 2 and the eyepiece barrel 3, the three parts are connected together through a connecting mechanism 4, the connecting mechanism 4 comprises two arc-shaped clamping strips 45, and the two clamping strips 45 are responsible for keeping the positions of the objective lens barrel 2 and the eyepiece barrel 3 stable.

In order to better understand the working principle of the sight, firstly, one side of the clamping strip 45 is connected with the main lens barrel 1, and the side is subjected to special inclined surface design and chamfering treatment, so that the sleeve 44 can be directly inserted into the main lens barrel 1 through the clamping strip 45, and the sleeve 44 is difficult to pull out under the limit of the clamping strip 45 after being inserted.

The sleeve 44 is another important part of the connecting mechanism 4, one end of the sleeve 44 is provided with a limiting piece 42, the limiting piece 42 comprises a limiting piece 421 fixed at the tail end of the sleeve 44, the diameter of the limiting piece 421 is smaller than that of the inner wall of the main lens barrel 1, and the gap between the limiting piece 421 and the inner wall of the main lens barrel 1 is larger than the thickness of the clamping strip 45, so that the sleeve 44 can be smoothly inserted into the main lens barrel 1, the clamping strip 45 has a certain elastic telescopic space, the sleeve 44 is coaxial with the main lens barrel 1, and a stable observation view angle is ensured.

To ensure smooth implementation of this embodiment, it should be understood that an abutment ring 41 is designed on the inner wall of the main lens barrel 1, the abutment ring 41 is used for ensuring the connection stability of the objective lens barrel 2 and the eye lens barrel 3, a limiting groove 422 is formed between the abutment ring 41 and the limiting piece 421, the limiting groove 422 has a limiting effect on the abutment spring 48, the objective lens barrel 2 and the eye lens barrel 3 are always kept at the correct position in the moving process, an abutment spring 48 is added between the limiting grooves 422, the abutment spring 48 is used for limiting the sleeve 44, the stability of the sleeve 44 is increased, when the sleeve 44 is inserted into the main lens barrel 1, the abutment spring 48 immediately plays a role, the sleeve 44 is limited on one side of the clamping strip 45, and the design ensures that the objective lens barrel 2 and the eye lens barrel 3 can keep stable in the process of inserting and taking out the sleeve 44.

In order to ensure smooth implementation of this embodiment, it should be understood that the middle parts of the two clamping strips 45 are fixedly connected with a supporting rod 47, the supporting rod 47 is in an inverted convex shape and is slidably connected with a through hole (not shown in the figure, but the arrangement mode of the through hole should be understood by a person skilled in the art) formed in the main lens barrel 1, an extension spring 46 is further arranged between the bottom of the top end of the supporting rod 47 and the surface of the main lens barrel 1, the extension spring 46 is sleeved on the surface of the supporting rod 47, the structure is used for limiting the clamping strips 45, a certain gap is formed between the clamping strips 45 and the inner wall of the main lens barrel 1 under the action of the extension spring 46, and when the sleeve 44 is inserted, the clamping strips 45 can stretch out and draw back to a certain extent due to the existence of the extension spring 46 and the gap, so that the sleeve 44 can be inserted into the main lens barrel 1.

In order to ensure smooth implementation of this embodiment, it should be understood that the outer wall surfaces of the two ends of the main lens barrel 1 are all provided with threads, the thread is screwed with a screw sleeve 43, one end of the screw sleeve 43 is slidably connected to the surface of the sleeve 44, the length of the sleeve 44 exposed outside the main lens barrel 1 is greater than the width of the screw sleeve 43, it should be understood that one end of the sleeve 44 is thickened and the thickened end is adapted to the inner wall of the main lens barrel 1, wherein a section of the surface of the sleeve 44 exposed outside the main lens barrel 1 is gradually thickened towards one end of the main lens barrel 1, and the main lens barrel 1 is further reinforced by the screw sleeve 43.

As shown in fig. 1, the objective lens barrel 2 is internally provided with the objective lens group 21, the main lens barrel 1 is internally provided with the main lens group 11, the eyepiece lens barrel 3 is internally provided with the eyepiece lens group 31, the objective lens group 21 comprises a first reflecting surface 211, a concave reflecting surface 213 and a second reflecting surface 212, the first reflecting surface 211 is used for internally reflecting the light rays entering the objective lens group 21 from the left side to the concave reflecting surface 213 to form a first reflecting line 214, the concave reflecting surface 213 is used for three times reflecting the first reflecting line 214 and then emitting the first reflecting line 214 to form a second reflecting line 215, the first reflecting line 214 and the second reflecting line 215 have an intersection point, the first reflecting line 214 is symmetrical to the second reflecting line 215, and the second reflecting surface 212 reflects the second reflecting line 215 to form an output light ray 216. The objective lens barrel 2 is provided with a rotating structure 22 for rotating and adjusting the concave reflecting group surface 213, and the objective lens barrel 2 can be provided with an adjusting structure 23 for rotating and adjusting the combined structure of the first reflecting surface 211 and the second reflecting surface 212. Such rotational adjustment is a conventional means in the art and will not be described in detail herein.

The concave reflecting group surface 213 includes a left reflecting surface 217, a top reflecting surface 218 and a right reflecting surface 219, and the left reflecting surface 217 and the right reflecting surface 219 are perpendicular to the top reflecting surface 218.

As shown in fig. 1, the main lens group 11 sequentially includes, from left to right, a first plano-convex lens 12, a second plano-convex lens 13, a plano-concave lens 14, and a normal concave lens 15, wherein the protrusions of the first plano-convex lens 12 and the second plano-convex lens 13 face the output light, the recesses of the plano-concave lens 14 face the eyepiece group 31, the second plano-convex lens 13 is tightly attached to the flat surface of the plano-concave lens 14, a gap is provided between the first plano-convex lens 12 and the second plano-convex lens 13, the gap is smaller than 2mm and larger than 0.1mm, and the gap can be adjusted by a knob, and the adjusting manner is a normal technique and will not be repeated here. The gap between the common concave lens 15 and the plano-concave lens 14 is greater than 5mm and less than 50mm, and the gap is also adjustable, and the adjustment mode is a conventional technology and will not be described herein. Wherein the diameters of the first plano-convex lens 12, the second plano-convex lens 13, the plano-concave lens 14 and the normal concave lens 15 are sequentially reduced.

As shown in fig. 1, the eyepiece group 31 sequentially includes a concave-convex lens 32 and a common convex lens 33 from left to right, and a gap is formed between the concave-convex lens 32 and the common convex lens 33, which is a conventional lens combination and can be adjusted according to actual needs.

According to the scheme, through the arrangement of the objective lens group 21, the entering light rays can be output again after being bypassed in a plurality of modes, the definition can be effectively improved in the mode, the interference of the light rays can be effectively reduced, better condensation can be realized, and the light rays with larger inclinations can be removed, so that the imaging quality is greatly improved.

While it is preferable that the left and right reflecting surfaces 217 and 219 be perpendicular to the top reflecting surface 218, other angles are possible, so long as it is possible to achieve that the incoming light is reflected and then enters the second reflecting surface 212 to form the outgoing light 216, and of course, in order to achieve better collimation, the outgoing light 216 should pass through the main lens assembly 11 and then through the eyepiece assembly 31 as much as possible. The specific angle can be adjusted according to actual needs, and can also be adjusted by matching with the first reflecting surface 211 and the second reflecting surface 212.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the invention as defined by the appended embodiments and equivalents thereof.

Claims

1. The utility model provides a sight, includes main lens cone, main lens cone both ends are connected with thing lens cone and eye lens cone respectively, thing lens cone and eye lens cone are connected with main lens cone through coupling mechanism, its characterized in that: the object lens barrel is internally provided with an object lens group, the main lens group is arranged in the main lens barrel, the eyepiece group is arranged in the object lens barrel, the object lens group comprises a first reflecting surface, a downward concave reflecting surface and a second reflecting surface, the first reflecting surface is used for internally reflecting light rays entering the object lens group from the left side to the downward concave reflecting surface to form a first reflecting line, the downward concave reflecting surface is used for carrying out tertiary reflection on the first reflecting line and then emitting the first reflecting line to form a second reflecting line, the first reflecting line and the second reflecting line are provided with intersecting points, the first reflecting line is symmetrical with the second reflecting line, and the second reflecting surface is used for reflecting the second reflecting line and then forming output light rays.

2. A sight according to claim 1, wherein: the concave reflecting group surface comprises a left reflecting surface, a top reflecting surface and a right reflecting surface, and the left reflecting surface and the right reflecting surface are perpendicular to the top reflecting surface.

3. A sight according to claim 2, wherein: the object lens barrel is provided with a rotating structure for realizing the adjustment and rotation of the concave reflecting surface.

4. A sight according to claim 1 or 2 or 3, wherein: the connecting mechanism comprises two sleeves which are respectively fixed with the eye lens barrel and the object lens barrel, the two sleeves are respectively inserted into two ends of the eye lens barrel, the connecting mechanism further comprises two clamping strips, the clamping strips are arc-shaped, the clamping strips are inclined towards one side of the connecting end of the main lens barrel and are subjected to chamfering treatment, one end of each sleeve is provided with a limiting piece, each limiting piece comprises a limiting piece fixed at the tail end of each sleeve, and the limiting pieces are smaller than the diameter of the inner wall of the main lens barrel, and a gap between each limiting piece and the inner wall of the main lens barrel is larger than the thickness of the clamping strips.

5. A sight according to claim 4, wherein: the main lens barrel inner wall fixedly connected with supports the ring, support the ring and all offered spacing recess with spacing piece opposite one side, fixedly connected with supports the pressure spring between the spacing recess.

6. A sight according to claim 5, wherein: two the equal fixedly connected with of card strip middle part supports the pole, supports the pole and is the through-hole sliding connection who sets up on the main lens cone that "protruding" just, support pole top bottom and main lens cone surface between still be provided with extension spring, extension spring cup joints in supporting the pole surface.

7. A sight according to claim 4, wherein: the outer wall surfaces of the two ends of the main lens barrel are provided with threads, the thread is in threaded connection with a screw sleeve, one end of the screw sleeve is connected to the surface of the sleeve in a sliding mode, and the length of the sleeve exposed out of the main lens barrel is larger than the width of the screw sleeve.

8. A sight according to claim 4, wherein: the sleeve is thickened at one end and the thickened end is matched with the inner wall of the main lens barrel, wherein a section of surface of the sleeve exposed out of the main lens barrel is gradually thickened towards one end of the main lens barrel.